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TDengine
提交 f9c9684b 编写于 作者: S Shuduo Sang
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add crash_gen to CI 

[TD-862]
上级 cb836b55
隐藏空白更改
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Showing with 876 addition and 588 deletion
.travis.yml
浏览文件 @ f9c9684b
...@@ -61,6 +61,11 @@ matrix: ...@@ -61,6 +61,11 @@ matrix:
cd ${TRAVIS_BUILD_DIR}/tests cd ${TRAVIS_BUILD_DIR}/tests
./test-all.sh smoke || travis_terminate $? ./test-all.sh smoke || travis_terminate $?
sleep 1
cd ${TRAVIS_BUILD_DIR}/tests/pytest
./crash_gen.sh -p -t 5 -s 50|| travis_terminate $?
sleep 1
cd ${TRAVIS_BUILD_DIR}/tests/pytest cd ${TRAVIS_BUILD_DIR}/tests/pytest
./valgrind-test.sh 2>&1 > mem-error-out.log ./valgrind-test.sh 2>&1 > mem-error-out.log
......
tests/pytest/crash_gen.py
浏览文件 @ f9c9684b
#-----!/usr/bin/python3.7 # -----!/usr/bin/python3.7
################################################################### ###################################################################
# Copyright (c) 2016 by TAOS Technologies, Inc. # Copyright (c) 2016 by TAOS Technologies, Inc.
# All rights reserved. # All rights reserved.
...@@ -11,7 +11,31 @@ ...@@ -11,7 +11,31 @@
################################################################### ###################################################################
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
from __future__ import annotations # For type hinting before definition, ref: https://stackoverflow.com/questions/33533148/how-do-i-specify-that-the-return-type-of-a-method-is-the-same-as-the-class-itsel # For type hinting before definition, ref:
# https://stackoverflow.com/questions/33533148/how-do-i-specify-that-the-return-type-of-a-method-is-the-same-as-the-class-itsel
from __future__ import annotations
import taos
import crash_gen
from util.sql import *
from util.cases import *
from util.dnodes import *
from util.log import *
from queue import Queue, Empty
from typing import IO
from typing import Set
from typing import Dict
from typing import List
from requests.auth import HTTPBasicAuth
import textwrap
import datetime
import logging
import time
import random
import threading
import requests
import copy
import argparse
import getopt
import sys import sys
import os import os
...@@ -22,71 +46,48 @@ import traceback ...@@ -22,71 +46,48 @@ import traceback
if sys.version_info[0] < 3: if sys.version_info[0] < 3:
raise Exception("Must be using Python 3") raise Exception("Must be using Python 3")
import getopt
import argparse
import copy
import requests
import threading
import random
import time
import logging
import datetime
import textwrap
import requests
from requests.auth import HTTPBasicAuth
from typing import List
from typing import Dict
from typing import Set
from typing import IO
from queue import Queue, Empty
from util.log import *
from util.dnodes import *
from util.cases import *
from util.sql import *
import crash_gen
import taos
# Global variables, tried to keep a small number. # Global variables, tried to keep a small number.
# Command-line/Environment Configurations, will set a bit later # Command-line/Environment Configurations, will set a bit later
# ConfigNameSpace = argparse.Namespace # ConfigNameSpace = argparse.Namespace
gConfig = argparse.Namespace() # Dummy value, will be replaced later gConfig = argparse.Namespace() # Dummy value, will be replaced later
logger = None logger = None
def runThread(wt: WorkerThread):
def runThread(wt: WorkerThread):
wt.run() wt.run()
class CrashGenError(Exception): class CrashGenError(Exception):
def __init__(self, msg=None, errno=None): def __init__(self, msg=None, errno=None):
self.msg = msg self.msg = msg
self.errno = errno self.errno = errno
def __str__(self): def __str__(self):
return self.msg return self.msg
class WorkerThread: class WorkerThread:
def __init__(self, pool: ThreadPool, tid, def __init__(self, pool: ThreadPool, tid,
tc: ThreadCoordinator, tc: ThreadCoordinator,
# te: TaskExecutor, # te: TaskExecutor,
): # note: main thread context! ): # note: main thread context!
# self._curStep = -1 # self._curStep = -1
self._pool = pool self._pool = pool
self._tid = tid self._tid = tid
self._tc = tc # type: ThreadCoordinator self._tc = tc # type: ThreadCoordinator
# self.threadIdent = threading.get_ident() # self.threadIdent = threading.get_ident()
self._thread = threading.Thread(target=runThread, args=(self,)) self._thread = threading.Thread(target=runThread, args=(self,))
self._stepGate = threading.Event() self._stepGate = threading.Event()
# Let us have a DB connection of our own # Let us have a DB connection of our own
if ( gConfig.per_thread_db_connection ): # type: ignore if (gConfig.per_thread_db_connection): # type: ignore
# print("connector_type = {}".format(gConfig.connector_type)) # print("connector_type = {}".format(gConfig.connector_type))
self._dbConn = DbConn.createNative() if (gConfig.connector_type == 'native') else DbConn.createRest() self._dbConn = DbConn.createNative() if (
gConfig.connector_type == 'native') else DbConn.createRest()
self._dbInUse = False # if "use db" was executed already self._dbInUse = False # if "use db" was executed already
def logDebug(self, msg): def logDebug(self, msg):
logger.debug(" TRD[{}] {}".format(self._tid, msg)) logger.debug(" TRD[{}] {}".format(self._tid, msg))
...@@ -98,137 +99,153 @@ class WorkerThread: ...@@ -98,137 +99,153 @@ class WorkerThread:
return self._dbInUse return self._dbInUse
def useDb(self): def useDb(self):
if ( not self._dbInUse ): if (not self._dbInUse):
self.execSql("use db") self.execSql("use db")
self._dbInUse = True self._dbInUse = True
def getTaskExecutor(self): def getTaskExecutor(self):
return self._tc.getTaskExecutor() return self._tc.getTaskExecutor()
def start(self): def start(self):
self._thread.start() # AFTER the thread is recorded self._thread.start() # AFTER the thread is recorded
def run(self): def run(self):
# initialization after thread starts, in the thread context # initialization after thread starts, in the thread context
# self.isSleeping = False # self.isSleeping = False
logger.info("Starting to run thread: {}".format(self._tid)) logger.info("Starting to run thread: {}".format(self._tid))
if ( gConfig.per_thread_db_connection ): # type: ignore if (gConfig.per_thread_db_connection): # type: ignore
logger.debug("Worker thread openning database connection") logger.debug("Worker thread openning database connection")
self._dbConn.open() self._dbConn.open()
self._doTaskLoop() self._doTaskLoop()
# clean up # clean up
if ( gConfig.per_thread_db_connection ): # type: ignore if (gConfig.per_thread_db_connection): # type: ignore
self._dbConn.close() self._dbConn.close()
def _doTaskLoop(self) : def _doTaskLoop(self):
# while self._curStep < self._pool.maxSteps: # while self._curStep < self._pool.maxSteps:
# tc = ThreadCoordinator(None) # tc = ThreadCoordinator(None)
while True: while True:
tc = self._tc # Thread Coordinator, the overall master tc = self._tc # Thread Coordinator, the overall master
tc.crossStepBarrier() # shared barrier first, INCLUDING the last one tc.crossStepBarrier() # shared barrier first, INCLUDING the last one
logger.debug("[TRD] Worker thread [{}] exited barrier...".format(self._tid)) logger.debug(
"[TRD] Worker thread [{}] exited barrier...".format(
self._tid))
self.crossStepGate() # then per-thread gate, after being tapped self.crossStepGate() # then per-thread gate, after being tapped
logger.debug("[TRD] Worker thread [{}] exited step gate...".format(self._tid)) logger.debug(
"[TRD] Worker thread [{}] exited step gate...".format(
self._tid))
if not self._tc.isRunning(): if not self._tc.isRunning():
logger.debug("[TRD] Thread Coordinator not running any more, worker thread now stopping...") logger.debug(
"[TRD] Thread Coordinator not running any more, worker thread now stopping...")
break break
# Fetch a task from the Thread Coordinator # Fetch a task from the Thread Coordinator
logger.debug("[TRD] Worker thread [{}] about to fetch task".format(self._tid)) logger.debug(
"[TRD] Worker thread [{}] about to fetch task".format(
self._tid))
task = tc.fetchTask() task = tc.fetchTask()
# Execute such a task # Execute such a task
logger.debug("[TRD] Worker thread [{}] about to execute task: {}".format(self._tid, task.__class__.__name__)) logger.debug(
"[TRD] Worker thread [{}] about to execute task: {}".format(
self._tid, task.__class__.__name__))
task.execute(self) task.execute(self)
tc.saveExecutedTask(task) tc.saveExecutedTask(task)
logger.debug("[TRD] Worker thread [{}] finished executing task".format(self._tid)) logger.debug(
"[TRD] Worker thread [{}] finished executing task".format(
self._tid))
self._dbInUse = False # there may be changes between steps
self._dbInUse = False # there may be changes between steps def verifyThreadSelf(self): # ensure we are called by this own thread
if (threading.get_ident() != self._thread.ident):
def verifyThreadSelf(self): # ensure we are called by this own thread
if ( threading.get_ident() != self._thread.ident ):
raise RuntimeError("Unexpectly called from other threads") raise RuntimeError("Unexpectly called from other threads")
def verifyThreadMain(self): # ensure we are called by the main thread def verifyThreadMain(self): # ensure we are called by the main thread
if ( threading.get_ident() != threading.main_thread().ident ): if (threading.get_ident() != threading.main_thread().ident):
raise RuntimeError("Unexpectly called from other threads") raise RuntimeError("Unexpectly called from other threads")
def verifyThreadAlive(self): def verifyThreadAlive(self):
if ( not self._thread.is_alive() ): if (not self._thread.is_alive()):
raise RuntimeError("Unexpected dead thread") raise RuntimeError("Unexpected dead thread")
# A gate is different from a barrier in that a thread needs to be "tapped" # A gate is different from a barrier in that a thread needs to be "tapped"
def crossStepGate(self): def crossStepGate(self):
self.verifyThreadAlive() self.verifyThreadAlive()
self.verifyThreadSelf() # only allowed by ourselves self.verifyThreadSelf() # only allowed by ourselves
# Wait again at the "gate", waiting to be "tapped" # Wait again at the "gate", waiting to be "tapped"
logger.debug("[TRD] Worker thread {} about to cross the step gate".format(self._tid)) logger.debug(
self._stepGate.wait() "[TRD] Worker thread {} about to cross the step gate".format(
self._tid))
self._stepGate.wait()
self._stepGate.clear() self._stepGate.clear()
# self._curStep += 1 # off to a new step... # self._curStep += 1 # off to a new step...
def tapStepGate(self): # give it a tap, release the thread waiting there def tapStepGate(self): # give it a tap, release the thread waiting there
self.verifyThreadAlive() self.verifyThreadAlive()
self.verifyThreadMain() # only allowed for main thread self.verifyThreadMain() # only allowed for main thread
logger.debug("[TRD] Tapping worker thread {}".format(self._tid)) logger.debug("[TRD] Tapping worker thread {}".format(self._tid))
self._stepGate.set() # wake up! self._stepGate.set() # wake up!
time.sleep(0) # let the released thread run a bit time.sleep(0) # let the released thread run a bit
def execSql(self, sql): # TODO: expose DbConn directly def execSql(self, sql): # TODO: expose DbConn directly
if ( gConfig.per_thread_db_connection ): if (gConfig.per_thread_db_connection):
return self._dbConn.execute(sql) return self._dbConn.execute(sql)
else: else:
return self._tc.getDbManager().getDbConn().execute(sql) return self._tc.getDbManager().getDbConn().execute(sql)
def querySql(self, sql): # TODO: expose DbConn directly def querySql(self, sql): # TODO: expose DbConn directly
if ( gConfig.per_thread_db_connection ): if (gConfig.per_thread_db_connection):
return self._dbConn.query(sql) return self._dbConn.query(sql)
else: else:
return self._tc.getDbManager().getDbConn().query(sql) return self._tc.getDbManager().getDbConn().query(sql)
def getQueryResult(self): def getQueryResult(self):
if ( gConfig.per_thread_db_connection ): if (gConfig.per_thread_db_connection):
return self._dbConn.getQueryResult() return self._dbConn.getQueryResult()
else: else:
return self._tc.getDbManager().getDbConn().getQueryResult() return self._tc.getDbManager().getDbConn().getQueryResult()
def getDbConn(self): def getDbConn(self):
if ( gConfig.per_thread_db_connection ): if (gConfig.per_thread_db_connection):
return self._dbConn return self._dbConn
else: else:
return self._tc.getDbManager().getDbConn() return self._tc.getDbManager().getDbConn()
# def querySql(self, sql): # not "execute", since we are out side the DB context # def querySql(self, sql): # not "execute", since we are out side the DB context
# if ( gConfig.per_thread_db_connection ): # if ( gConfig.per_thread_db_connection ):
# return self._dbConn.query(sql) # return self._dbConn.query(sql)
# else: # else:
# return self._tc.getDbState().getDbConn().query(sql) # return self._tc.getDbState().getDbConn().query(sql)
# The coordinator of all worker threads, mostly running in main thread # The coordinator of all worker threads, mostly running in main thread
class ThreadCoordinator: class ThreadCoordinator:
def __init__(self, pool: ThreadPool, dbManager): def __init__(self, pool: ThreadPool, dbManager):
self._curStep = -1 # first step is 0 self._curStep = -1 # first step is 0
self._pool = pool self._pool = pool
# self._wd = wd # self._wd = wd
self._te = None # prepare for every new step self._te = None # prepare for every new step
self._dbManager = dbManager self._dbManager = dbManager
self._executedTasks: List[Task] = [] # in a given step self._executedTasks: List[Task] = [] # in a given step
self._lock = threading.RLock() # sync access for a few things self._lock = threading.RLock() # sync access for a few things
self._stepBarrier = threading.Barrier(self._pool.numThreads + 1) # one barrier for all threads self._stepBarrier = threading.Barrier(
self._pool.numThreads + 1) # one barrier for all threads
self._execStats = ExecutionStats() self._execStats = ExecutionStats()
self._runStatus = MainExec.STATUS_RUNNING self._runStatus = MainExec.STATUS_RUNNING
def getTaskExecutor(self): def getTaskExecutor(self):
return self._te return self._te
def getDbManager(self) -> DbManager : def getDbManager(self) -> DbManager:
return self._dbManager return self._dbManager
def crossStepBarrier(self): def crossStepBarrier(self):
...@@ -238,89 +255,103 @@ class ThreadCoordinator: ...@@ -238,89 +255,103 @@ class ThreadCoordinator:
self._runStatus = MainExec.STATUS_STOPPING self._runStatus = MainExec.STATUS_STOPPING
self._execStats.registerFailure("User Interruption") self._execStats.registerFailure("User Interruption")
def run(self): def run(self):
self._pool.createAndStartThreads(self) self._pool.createAndStartThreads(self)
# Coordinate all threads step by step # Coordinate all threads step by step
self._curStep = -1 # not started yet self._curStep = -1 # not started yet
maxSteps = gConfig.max_steps # type: ignore maxSteps = gConfig.max_steps # type: ignore
self._execStats.startExec() # start the stop watch self._execStats.startExec() # start the stop watch
transitionFailed = False transitionFailed = False
hasAbortedTask = False hasAbortedTask = False
while(self._curStep < maxSteps-1 and while(self._curStep < maxSteps - 1 and
(not transitionFailed) and (not transitionFailed) and
(self._runStatus==MainExec.STATUS_RUNNING) and (self._runStatus == MainExec.STATUS_RUNNING) and
(not hasAbortedTask)): # maxStep==10, last curStep should be 9 (not hasAbortedTask)): # maxStep==10, last curStep should be 9
if not gConfig.debug: if not gConfig.debug:
print(".", end="", flush=True) # print this only if we are not in debug mode # print this only if we are not in debug mode
print(".", end="", flush=True)
logger.debug("[TRD] Main thread going to sleep") logger.debug("[TRD] Main thread going to sleep")
# Now main thread (that's us) is ready to enter a step # Now main thread (that's us) is ready to enter a step
self.crossStepBarrier() # let other threads go past the pool barrier, but wait at the thread gate # let other threads go past the pool barrier, but wait at the
self._stepBarrier.reset() # Other worker threads should now be at the "gate" # thread gate
self.crossStepBarrier()
self._stepBarrier.reset() # Other worker threads should now be at the "gate"
# At this point, all threads should be pass the overall "barrier" and before the per-thread "gate" # At this point, all threads should be pass the overall "barrier" and before the per-thread "gate"
# We use this period to do house keeping work, when all worker threads are QUIET. # We use this period to do house keeping work, when all worker
# threads are QUIET.
hasAbortedTask = False hasAbortedTask = False
for task in self._executedTasks : for task in self._executedTasks:
if task.isAborted() : if task.isAborted():
print("Task aborted: {}".format(task)) print("Task aborted: {}".format(task))
hasAbortedTask = True hasAbortedTask = True
break break
if hasAbortedTask : # do transition only if tasks are error free if hasAbortedTask: # do transition only if tasks are error free
self._execStats.registerFailure("Aborted Task Encountered") self._execStats.registerFailure("Aborted Task Encountered")
else: else:
try: try:
sm = self._dbManager.getStateMachine() sm = self._dbManager.getStateMachine()
logger.debug("[STT] starting transitions") logger.debug("[STT] starting transitions")
sm.transition(self._executedTasks) # at end of step, transiton the DB state # at end of step, transiton the DB state
sm.transition(self._executedTasks)
logger.debug("[STT] transition ended") logger.debug("[STT] transition ended")
# Due to limitation (or maybe not) of the Python library, we cannot share connections across threads # Due to limitation (or maybe not) of the Python library,
if sm.hasDatabase() : # we cannot share connections across threads
if sm.hasDatabase():
for t in self._pool.threadList: for t in self._pool.threadList:
logger.debug("[DB] use db for all worker threads") logger.debug("[DB] use db for all worker threads")
t.useDb() t.useDb()
# t.execSql("use db") # main thread executing "use db" on behalf of every worker thread # t.execSql("use db") # main thread executing "use
# db" on behalf of every worker thread
except taos.error.ProgrammingError as err: except taos.error.ProgrammingError as err:
if ( err.msg == 'network unavailable' ): # broken DB connection if (err.msg == 'network unavailable'): # broken DB connection
logger.info("DB connection broken, execution failed") logger.info("DB connection broken, execution failed")
traceback.print_stack() traceback.print_stack()
transitionFailed = True transitionFailed = True
self._te = None # Not running any more self._te = None # Not running any more
self._execStats.registerFailure("Broken DB Connection") self._execStats.registerFailure("Broken DB Connection")
# continue # don't do that, need to tap all threads at end, and maybe signal them to stop # continue # don't do that, need to tap all threads at
# end, and maybe signal them to stop
else: else:
raise raise
# finally: # finally:
# pass # pass
self.resetExecutedTasks() # clear the tasks after we are done self.resetExecutedTasks() # clear the tasks after we are done
# Get ready for next step # Get ready for next step
logger.debug("<-- Step {} finished".format(self._curStep)) logger.debug("<-- Step {} finished".format(self._curStep))
self._curStep += 1 # we are about to get into next step. TODO: race condition here! self._curStep += 1 # we are about to get into next step. TODO: race condition here!
logger.debug("\r\n\n--> Step {} starts with main thread waking up".format(self._curStep)) # Now not all threads had time to go to sleep # Now not all threads had time to go to sleep
logger.debug(
"\r\n\n--> Step {} starts with main thread waking up".format(self._curStep))
# A new TE for the new step # A new TE for the new step
if not transitionFailed: # only if not failed if not transitionFailed: # only if not failed
self._te = TaskExecutor(self._curStep) self._te = TaskExecutor(self._curStep)
logger.debug("[TRD] Main thread waking up at step {}, tapping worker threads".format(self._curStep)) # Now not all threads had time to go to sleep logger.debug(
self.tapAllThreads() # Worker threads will wake up at this point, and each execute it's own task "[TRD] Main thread waking up at step {}, tapping worker threads".format(
self._curStep)) # Now not all threads had time to go to sleep
# Worker threads will wake up at this point, and each execute it's
# own task
self.tapAllThreads()
logger.debug("Main thread ready to finish up...") logger.debug("Main thread ready to finish up...")
if not transitionFailed: # only in regular situations if not transitionFailed: # only in regular situations
self.crossStepBarrier() # Cross it one last time, after all threads finish self.crossStepBarrier() # Cross it one last time, after all threads finish
self._stepBarrier.reset() self._stepBarrier.reset()
logger.debug("Main thread in exclusive zone...") logger.debug("Main thread in exclusive zone...")
self._te = None # No more executor, time to end self._te = None # No more executor, time to end
logger.debug("Main thread tapping all threads one last time...") logger.debug("Main thread tapping all threads one last time...")
self.tapAllThreads() # Let the threads run one last time self.tapAllThreads() # Let the threads run one last time
logger.debug("Main thread joining all threads") logger.debug("Main thread joining all threads")
self._pool.joinAll() # Get all threads to finish self._pool.joinAll() # Get all threads to finish
logger.info("\nAll worker threads finished") logger.info("\nAll worker threads finished")
self._execStats.endExec() self._execStats.endExec()
...@@ -333,24 +364,27 @@ class ThreadCoordinator: ...@@ -333,24 +364,27 @@ class ThreadCoordinator:
def getExecStats(self): def getExecStats(self):
return self._execStats return self._execStats
def tapAllThreads(self): # in a deterministic manner def tapAllThreads(self): # in a deterministic manner
wakeSeq = [] wakeSeq = []
for i in range(self._pool.numThreads): # generate a random sequence for i in range(self._pool.numThreads): # generate a random sequence
if Dice.throw(2) == 1 : if Dice.throw(2) == 1:
wakeSeq.append(i) wakeSeq.append(i)
else: else:
wakeSeq.insert(0, i) wakeSeq.insert(0, i)
logger.debug("[TRD] Main thread waking up worker threads: {}".format(str(wakeSeq))) logger.debug(
"[TRD] Main thread waking up worker threads: {}".format(
str(wakeSeq)))
# TODO: set dice seed to a deterministic value # TODO: set dice seed to a deterministic value
for i in wakeSeq: for i in wakeSeq:
self._pool.threadList[i].tapStepGate() # TODO: maybe a bit too deep?! # TODO: maybe a bit too deep?!
time.sleep(0) # yield self._pool.threadList[i].tapStepGate()
time.sleep(0) # yield
def isRunning(self): def isRunning(self):
return self._te != None return self._te is not None
def fetchTask(self) -> Task : def fetchTask(self) -> Task:
if ( not self.isRunning() ): # no task if (not self.isRunning()): # no task
raise RuntimeError("Cannot fetch task when not running") raise RuntimeError("Cannot fetch task when not running")
# return self._wd.pickTask() # return self._wd.pickTask()
# Alternatively, let's ask the DbState for the appropriate task # Alternatively, let's ask the DbState for the appropriate task
...@@ -361,31 +395,36 @@ class ThreadCoordinator: ...@@ -361,31 +395,36 @@ class ThreadCoordinator:
# logger.debug(" (dice:{}/{}) ".format(i, nTasks)) # logger.debug(" (dice:{}/{}) ".format(i, nTasks))
# # return copy.copy(tasks[i]) # Needs a fresh copy, to save execution results, etc. # # return copy.copy(tasks[i]) # Needs a fresh copy, to save execution results, etc.
# return tasks[i].clone() # TODO: still necessary? # return tasks[i].clone() # TODO: still necessary?
taskType = self.getDbManager().getStateMachine().pickTaskType() # pick a task type for current state # pick a task type for current state
return taskType(self.getDbManager(), self._execStats) # create a task from it taskType = self.getDbManager().getStateMachine().pickTaskType()
return taskType(
self.getDbManager(),
self._execStats) # create a task from it
def resetExecutedTasks(self): def resetExecutedTasks(self):
self._executedTasks = [] # should be under single thread self._executedTasks = [] # should be under single thread
def saveExecutedTask(self, task): def saveExecutedTask(self, task):
with self._lock: with self._lock:
self._executedTasks.append(task) self._executedTasks.append(task)
# We define a class to run a number of threads in locking steps. # We define a class to run a number of threads in locking steps.
class ThreadPool: class ThreadPool:
def __init__(self, numThreads, maxSteps): def __init__(self, numThreads, maxSteps):
self.numThreads = numThreads self.numThreads = numThreads
self.maxSteps = maxSteps self.maxSteps = maxSteps
# Internal class variables # Internal class variables
self.curStep = 0 self.curStep = 0
self.threadList = [] # type: List[WorkerThread] self.threadList = [] # type: List[WorkerThread]
# starting to run all the threads, in locking steps # starting to run all the threads, in locking steps
def createAndStartThreads(self, tc: ThreadCoordinator): def createAndStartThreads(self, tc: ThreadCoordinator):
for tid in range(0, self.numThreads): # Create the threads for tid in range(0, self.numThreads): # Create the threads
workerThread = WorkerThread(self, tid, tc) workerThread = WorkerThread(self, tid, tc)
self.threadList.append(workerThread) self.threadList.append(workerThread)
workerThread.start() # start, but should block immediately before step 0 workerThread.start() # start, but should block immediately before step 0
def joinAll(self): def joinAll(self):
for workerThread in self.threadList: for workerThread in self.threadList:
...@@ -394,21 +433,24 @@ class ThreadPool: ...@@ -394,21 +433,24 @@ class ThreadPool:
# A queue of continguous POSITIVE integers, used by DbManager to generate continuous numbers # A queue of continguous POSITIVE integers, used by DbManager to generate continuous numbers
# for new table names # for new table names
class LinearQueue(): class LinearQueue():
def __init__(self): def __init__(self):
self.firstIndex = 1 # 1st ever element self.firstIndex = 1 # 1st ever element
self.lastIndex = 0 self.lastIndex = 0
self._lock = threading.RLock() # our functions may call each other self._lock = threading.RLock() # our functions may call each other
self.inUse = set() # the indexes that are in use right now self.inUse = set() # the indexes that are in use right now
def toText(self): def toText(self):
return "[{}..{}], in use: {}".format(self.firstIndex, self.lastIndex, self.inUse) return "[{}..{}], in use: {}".format(
self.firstIndex, self.lastIndex, self.inUse)
# Push (add new element, largest) to the tail, and mark it in use # Push (add new element, largest) to the tail, and mark it in use
def push(self): def push(self):
with self._lock: with self._lock:
# if ( self.isEmpty() ): # if ( self.isEmpty() ):
# self.lastIndex = self.firstIndex # self.lastIndex = self.firstIndex
# return self.firstIndex # return self.firstIndex
# Otherwise we have something # Otherwise we have something
self.lastIndex += 1 self.lastIndex += 1
...@@ -418,12 +460,12 @@ class LinearQueue(): ...@@ -418,12 +460,12 @@ class LinearQueue():
def pop(self): def pop(self):
with self._lock: with self._lock:
if ( self.isEmpty() ): if (self.isEmpty()):
# raise RuntimeError("Cannot pop an empty queue") # raise RuntimeError("Cannot pop an empty queue")
return False # TODO: None? return False # TODO: None?
index = self.firstIndex index = self.firstIndex
if ( index in self.inUse ): if (index in self.inUse):
return False return False
self.firstIndex += 1 self.firstIndex += 1
...@@ -441,33 +483,35 @@ class LinearQueue(): ...@@ -441,33 +483,35 @@ class LinearQueue():
def allocate(self, i): def allocate(self, i):
with self._lock: with self._lock:
# logger.debug("LQ allocating item {}".format(i)) # logger.debug("LQ allocating item {}".format(i))
if ( i in self.inUse ): if (i in self.inUse):
raise RuntimeError("Cannot re-use same index in queue: {}".format(i)) raise RuntimeError(
"Cannot re-use same index in queue: {}".format(i))
self.inUse.add(i) self.inUse.add(i)
def release(self, i): def release(self, i):
with self._lock: with self._lock:
# logger.debug("LQ releasing item {}".format(i)) # logger.debug("LQ releasing item {}".format(i))
self.inUse.remove(i) # KeyError possible, TODO: why? self.inUse.remove(i) # KeyError possible, TODO: why?
def size(self): def size(self):
return self.lastIndex + 1 - self.firstIndex return self.lastIndex + 1 - self.firstIndex
def pickAndAllocate(self): def pickAndAllocate(self):
if ( self.isEmpty() ): if (self.isEmpty()):
return None return None
with self._lock: with self._lock:
cnt = 0 # counting the interations cnt = 0 # counting the interations
while True: while True:
cnt += 1 cnt += 1
if ( cnt > self.size()*10 ): # 10x iteration already if (cnt > self.size() * 10): # 10x iteration already
# raise RuntimeError("Failed to allocate LinearQueue element") # raise RuntimeError("Failed to allocate LinearQueue element")
return None return None
ret = Dice.throwRange(self.firstIndex, self.lastIndex+1) ret = Dice.throwRange(self.firstIndex, self.lastIndex + 1)
if ( not ret in self.inUse ): if (ret not in self.inUse):
self.allocate(ret) self.allocate(ret)
return ret return ret
class DbConn: class DbConn:
TYPE_NATIVE = "native-c" TYPE_NATIVE = "native-c"
TYPE_REST = "rest-api" TYPE_REST = "rest-api"
...@@ -480,7 +524,8 @@ class DbConn: ...@@ -480,7 +524,8 @@ class DbConn:
elif connType == cls.TYPE_REST: elif connType == cls.TYPE_REST:
return DbConnRest() return DbConnRest()
else: else:
raise RuntimeError("Unexpected connection type: {}".format(connType)) raise RuntimeError(
"Unexpected connection type: {}".format(connType))
@classmethod @classmethod
def createNative(cls): def createNative(cls):
...@@ -495,18 +540,21 @@ class DbConn: ...@@ -495,18 +540,21 @@ class DbConn:
self._type = self.TYPE_INVALID self._type = self.TYPE_INVALID
def open(self): def open(self):
if ( self.isOpen ): if (self.isOpen):
raise RuntimeError("Cannot re-open an existing DB connection") raise RuntimeError("Cannot re-open an existing DB connection")
# below implemented by child classes # below implemented by child classes
self.openByType() self.openByType()
logger.debug("[DB] data connection opened, type = {}".format(self._type)) logger.debug(
"[DB] data connection opened, type = {}".format(
self._type))
self.isOpen = True self.isOpen = True
def resetDb(self): # reset the whole database, etc. def resetDb(self): # reset the whole database, etc.
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot reset database until connection is open") raise RuntimeError(
"Cannot reset database until connection is open")
# self._tdSql.prepare() # Recreate database, etc. # self._tdSql.prepare() # Recreate database, etc.
self.execute('drop database if exists db') self.execute('drop database if exists db')
...@@ -515,83 +563,99 @@ class DbConn: ...@@ -515,83 +563,99 @@ class DbConn:
# self._cursor.execute('use db') # self._cursor.execute('use db')
# tdSql.execute('show databases') # tdSql.execute('show databases')
def queryScalar(self, sql) -> int : def queryScalar(self, sql) -> int:
return self._queryAny(sql) return self._queryAny(sql)
def queryString(self, sql) -> str : def queryString(self, sql) -> str:
return self._queryAny(sql) return self._queryAny(sql)
def _queryAny(self, sql) : # actual query result as an int def _queryAny(self, sql): # actual query result as an int
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot query database until connection is open") raise RuntimeError(
"Cannot query database until connection is open")
nRows = self.query(sql) nRows = self.query(sql)
if nRows != 1 : if nRows != 1:
raise RuntimeError("Unexpected result for query: {}, rows = {}".format(sql, nRows)) raise RuntimeError(
"Unexpected result for query: {}, rows = {}".format(
sql, nRows))
if self.getResultRows() != 1 or self.getResultCols() != 1: if self.getResultRows() != 1 or self.getResultCols() != 1:
raise RuntimeError("Unexpected result set for query: {}".format(sql)) raise RuntimeError(
"Unexpected result set for query: {}".format(sql))
return self.getQueryResult()[0][0] return self.getQueryResult()[0][0]
def execute(self, sql): def execute(self, sql):
raise RuntimeError("Unexpected execution, should be overriden") raise RuntimeError("Unexpected execution, should be overriden")
def openByType(self): def openByType(self):
raise RuntimeError("Unexpected execution, should be overriden") raise RuntimeError("Unexpected execution, should be overriden")
def getQueryResult(self): def getQueryResult(self):
raise RuntimeError("Unexpected execution, should be overriden") raise RuntimeError("Unexpected execution, should be overriden")
def getResultRows(self): def getResultRows(self):
raise RuntimeError("Unexpected execution, should be overriden") raise RuntimeError("Unexpected execution, should be overriden")
def getResultCols(self): def getResultCols(self):
raise RuntimeError("Unexpected execution, should be overriden") raise RuntimeError("Unexpected execution, should be overriden")
# Sample: curl -u root:taosdata -d "show databases" localhost:6020/rest/sql # Sample: curl -u root:taosdata -d "show databases" localhost:6020/rest/sql
class DbConnRest(DbConn): class DbConnRest(DbConn):
def __init__(self): def __init__(self):
super().__init__() super().__init__()
self._type = self.TYPE_REST self._type = self.TYPE_REST
self._url = "http://localhost:6020/rest/sql" # fixed for now self._url = "http://localhost:6020/rest/sql" # fixed for now
self._result = None self._result = None
def openByType(self): # Open connection def openByType(self): # Open connection
pass # do nothing, always open pass # do nothing, always open
def close(self): def close(self):
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot clean up database until connection is open") raise RuntimeError(
"Cannot clean up database until connection is open")
# Do nothing for REST # Do nothing for REST
logger.debug("[DB] REST Database connection closed") logger.debug("[DB] REST Database connection closed")
self.isOpen = False self.isOpen = False
def _doSql(self, sql): def _doSql(self, sql):
r = requests.post(self._url, r = requests.post(self._url,
data = sql, data=sql,
auth = HTTPBasicAuth('root', 'taosdata')) auth=HTTPBasicAuth('root', 'taosdata'))
rj = r.json() rj = r.json()
# Sanity check for the "Json Result" # Sanity check for the "Json Result"
if (not 'status' in rj): if ('status' not in rj):
raise RuntimeError("No status in REST response") raise RuntimeError("No status in REST response")
if rj['status'] == 'error': # clearly reported error if rj['status'] == 'error': # clearly reported error
if (not 'code' in rj): # error without code if ('code' not in rj): # error without code
raise RuntimeError("REST error return without code") raise RuntimeError("REST error return without code")
errno = rj['code'] # May need to massage this in the future errno = rj['code'] # May need to massage this in the future
# print("Raising programming error with REST return: {}".format(rj)) # print("Raising programming error with REST return: {}".format(rj))
raise taos.error.ProgrammingError(rj['desc'], errno) # todo: check existance of 'desc' raise taos.error.ProgrammingError(
rj['desc'], errno) # todo: check existance of 'desc'
if rj['status'] != 'succ': # better be this if rj['status'] != 'succ': # better be this
raise RuntimeError("Unexpected REST return status: {}".format(rj['status'])) raise RuntimeError(
"Unexpected REST return status: {}".format(
rj['status']))
nRows = rj['rows'] if ('rows' in rj) else 0 nRows = rj['rows'] if ('rows' in rj) else 0
self._result = rj self._result = rj
return nRows return nRows
def execute(self, sql): def execute(self, sql):
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot execute database commands until connection is open") raise RuntimeError(
"Cannot execute database commands until connection is open")
logger.debug("[SQL-REST] Executing SQL: {}".format(sql)) logger.debug("[SQL-REST] Executing SQL: {}".format(sql))
nRows = self._doSql(sql) nRows = self._doSql(sql)
logger.debug("[SQL-REST] Execution Result, nRows = {}, SQL = {}".format(nRows, sql)) logger.debug(
"[SQL-REST] Execution Result, nRows = {}, SQL = {}".format(nRows, sql))
return nRows return nRows
def query(self, sql) : # return rows affected def query(self, sql): # return rows affected
return self.execute(sql) return self.execute(sql)
def getQueryResult(self): def getQueryResult(self):
...@@ -605,48 +669,59 @@ class DbConnRest(DbConn): ...@@ -605,48 +669,59 @@ class DbConnRest(DbConn):
def getResultCols(self): def getResultCols(self):
print(self._result) print(self._result)
raise RuntimeError("TBD") raise RuntimeError("TBD")
class DbConnNative(DbConn): class DbConnNative(DbConn):
def __init__(self): def __init__(self):
super().__init__() super().__init__()
self._type = self.TYPE_REST self._type = self.TYPE_REST
self._conn = None self._conn = None
self._cursor = None self._cursor = None
def openByType(self): # Open connection def openByType(self): # Open connection
cfgPath = "../../build/test/cfg" cfgPath = "../../build/test/cfg"
self._conn = taos.connect(host="127.0.0.1", config=cfgPath) # TODO: make configurable self._conn = taos.connect(
host="127.0.0.1",
config=cfgPath) # TODO: make configurable
self._cursor = self._conn.cursor() self._cursor = self._conn.cursor()
# Get the connection/cursor ready # Get the connection/cursor ready
self._cursor.execute('reset query cache') self._cursor.execute('reset query cache')
# self._cursor.execute('use db') # do this at the beginning of every step # self._cursor.execute('use db') # do this at the beginning of every
# step
# Open connection # Open connection
self._tdSql = TDSql() self._tdSql = TDSql()
self._tdSql.init(self._cursor) self._tdSql.init(self._cursor)
def close(self): def close(self):
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot clean up database until connection is open") raise RuntimeError(
"Cannot clean up database until connection is open")
self._tdSql.close() self._tdSql.close()
logger.debug("[DB] Database connection closed") logger.debug("[DB] Database connection closed")
self.isOpen = False self.isOpen = False
def execute(self, sql): def execute(self, sql):
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot execute database commands until connection is open") raise RuntimeError(
"Cannot execute database commands until connection is open")
logger.debug("[SQL] Executing SQL: {}".format(sql)) logger.debug("[SQL] Executing SQL: {}".format(sql))
nRows = self._tdSql.execute(sql) nRows = self._tdSql.execute(sql)
logger.debug("[SQL] Execution Result, nRows = {}, SQL = {}".format(nRows, sql)) logger.debug(
"[SQL] Execution Result, nRows = {}, SQL = {}".format(
nRows, sql))
return nRows return nRows
def query(self, sql) : # return rows affected def query(self, sql): # return rows affected
if ( not self.isOpen ): if (not self.isOpen):
raise RuntimeError("Cannot query database until connection is open") raise RuntimeError(
"Cannot query database until connection is open")
logger.debug("[SQL] Executing SQL: {}".format(sql)) logger.debug("[SQL] Executing SQL: {}".format(sql))
nRows = self._tdSql.query(sql) nRows = self._tdSql.query(sql)
logger.debug("[SQL] Query Result, nRows = {}, SQL = {}".format(nRows, sql)) logger.debug(
"[SQL] Query Result, nRows = {}, SQL = {}".format(
nRows, sql))
return nRows return nRows
# results are in: return self._tdSql.queryResult # results are in: return self._tdSql.queryResult
...@@ -659,13 +734,13 @@ class DbConnNative(DbConn): ...@@ -659,13 +734,13 @@ class DbConnNative(DbConn):
def getResultCols(self): def getResultCols(self):
return self._tdSql.queryCols return self._tdSql.queryCols
class AnyState: class AnyState:
STATE_INVALID = -1 STATE_INVALID = -1
STATE_EMPTY = 0 # nothing there, no even a DB STATE_EMPTY = 0 # nothing there, no even a DB
STATE_DB_ONLY = 1 # we have a DB, but nothing else STATE_DB_ONLY = 1 # we have a DB, but nothing else
STATE_TABLE_ONLY = 2 # we have a table, but totally empty STATE_TABLE_ONLY = 2 # we have a table, but totally empty
STATE_HAS_DATA = 3 # we have some data in the table STATE_HAS_DATA = 3 # we have some data in the table
_stateNames = ["Invalid", "Empty", "DB_Only", "Table_Only", "Has_Data"] _stateNames = ["Invalid", "Empty", "DB_Only", "Table_Only", "Has_Data"]
STATE_VAL_IDX = 0 STATE_VAL_IDX = 0
...@@ -680,7 +755,8 @@ class AnyState: ...@@ -680,7 +755,8 @@ class AnyState:
self._info = self.getInfo() self._info = self.getInfo()
def __str__(self): def __str__(self):
return self._stateNames[self._info[self.STATE_VAL_IDX] + 1] # -1 hack to accomodate the STATE_INVALID case # -1 hack to accomodate the STATE_INVALID case
return self._stateNames[self._info[self.STATE_VAL_IDX] + 1]
def getInfo(self): def getInfo(self):
raise RuntimeError("Must be overriden by child classes") raise RuntimeError("Must be overriden by child classes")
...@@ -691,7 +767,9 @@ class AnyState: ...@@ -691,7 +767,9 @@ class AnyState:
elif isinstance(other, AnyState): elif isinstance(other, AnyState):
return self.getValIndex() == other.getValIndex() return self.getValIndex() == other.getValIndex()
else: else:
raise RuntimeError("Unexpected comparison, type = {}".format(type(other))) raise RuntimeError(
"Unexpected comparison, type = {}".format(
type(other)))
def verifyTasksToState(self, tasks, newState): def verifyTasksToState(self, tasks, newState):
raise RuntimeError("Must be overriden by child classes") raise RuntimeError("Must be overriden by child classes")
...@@ -701,55 +779,65 @@ class AnyState: ...@@ -701,55 +779,65 @@ class AnyState:
def getValue(self): def getValue(self):
return self._info[self.STATE_VAL_IDX] return self._info[self.STATE_VAL_IDX]
def canCreateDb(self): def canCreateDb(self):
return self._info[self.CAN_CREATE_DB] return self._info[self.CAN_CREATE_DB]
def canDropDb(self): def canDropDb(self):
return self._info[self.CAN_DROP_DB] return self._info[self.CAN_DROP_DB]
def canCreateFixedSuperTable(self): def canCreateFixedSuperTable(self):
return self._info[self.CAN_CREATE_FIXED_SUPER_TABLE] return self._info[self.CAN_CREATE_FIXED_SUPER_TABLE]
def canDropFixedSuperTable(self): def canDropFixedSuperTable(self):
return self._info[self.CAN_DROP_FIXED_SUPER_TABLE] return self._info[self.CAN_DROP_FIXED_SUPER_TABLE]
def canAddData(self): def canAddData(self):
return self._info[self.CAN_ADD_DATA] return self._info[self.CAN_ADD_DATA]
def canReadData(self): def canReadData(self):
return self._info[self.CAN_READ_DATA] return self._info[self.CAN_READ_DATA]
def assertAtMostOneSuccess(self, tasks, cls): def assertAtMostOneSuccess(self, tasks, cls):
sCnt = 0 sCnt = 0
for task in tasks : for task in tasks:
if not isinstance(task, cls): if not isinstance(task, cls):
continue continue
if task.isSuccess(): if task.isSuccess():
# task.logDebug("Task success found") # task.logDebug("Task success found")
sCnt += 1 sCnt += 1
if ( sCnt >= 2 ): if (sCnt >= 2):
raise RuntimeError("Unexpected more than 1 success with task: {}".format(cls)) raise RuntimeError(
"Unexpected more than 1 success with task: {}".format(cls))
def assertIfExistThenSuccess(self, tasks, cls): def assertIfExistThenSuccess(self, tasks, cls):
sCnt = 0 sCnt = 0
exists = False exists = False
for task in tasks : for task in tasks:
if not isinstance(task, cls): if not isinstance(task, cls):
continue continue
exists = True # we have a valid instance exists = True # we have a valid instance
if task.isSuccess(): if task.isSuccess():
sCnt += 1 sCnt += 1
if ( exists and sCnt <= 0 ): if (exists and sCnt <= 0):
raise RuntimeError("Unexpected zero success for task: {}".format(cls)) raise RuntimeError(
"Unexpected zero success for task: {}".format(cls))
def assertNoTask(self, tasks, cls): def assertNoTask(self, tasks, cls):
for task in tasks : for task in tasks:
if isinstance(task, cls): if isinstance(task, cls):
raise CrashGenError("This task: {}, is not expected to be present, given the success/failure of others".format(cls.__name__)) raise CrashGenError(
"This task: {}, is not expected to be present, given the success/failure of others".format(cls.__name__))
def assertNoSuccess(self, tasks, cls): def assertNoSuccess(self, tasks, cls):
for task in tasks : for task in tasks:
if isinstance(task, cls): if isinstance(task, cls):
if task.isSuccess(): if task.isSuccess():
raise RuntimeError("Unexpected successful task: {}".format(cls)) raise RuntimeError(
"Unexpected successful task: {}".format(cls))
def hasSuccess(self, tasks, cls): def hasSuccess(self, tasks, cls):
for task in tasks : for task in tasks:
if not isinstance(task, cls): if not isinstance(task, cls):
continue continue
if task.isSuccess(): if task.isSuccess():
...@@ -757,35 +845,40 @@ class AnyState: ...@@ -757,35 +845,40 @@ class AnyState:
return False return False
def hasTask(self, tasks, cls): def hasTask(self, tasks, cls):
for task in tasks : for task in tasks:
if isinstance(task, cls): if isinstance(task, cls):
return True return True
return False return False
class StateInvalid(AnyState): class StateInvalid(AnyState):
def getInfo(self): def getInfo(self):
return [ return [
self.STATE_INVALID, self.STATE_INVALID,
False, False, # can create/drop Db False, False, # can create/drop Db
False, False, # can create/drop fixed table False, False, # can create/drop fixed table
False, False, # can insert/read data with fixed table False, False, # can insert/read data with fixed table
] ]
# def verifyTasksToState(self, tasks, newState): # def verifyTasksToState(self, tasks, newState):
class StateEmpty(AnyState): class StateEmpty(AnyState):
def getInfo(self): def getInfo(self):
return [ return [
self.STATE_EMPTY, self.STATE_EMPTY,
True, False, # can create/drop Db True, False, # can create/drop Db
False, False, # can create/drop fixed table False, False, # can create/drop fixed table
False, False, # can insert/read data with fixed table False, False, # can insert/read data with fixed table
] ]
def verifyTasksToState(self, tasks, newState): def verifyTasksToState(self, tasks, newState):
if ( self.hasSuccess(tasks, TaskCreateDb) ): # at EMPTY, if there's succes in creating DB if (self.hasSuccess(tasks, TaskCreateDb)
if ( not self.hasTask(tasks, TaskDropDb) ) : # and no drop_db tasks ): # at EMPTY, if there's succes in creating DB
self.assertAtMostOneSuccess(tasks, TaskCreateDb) # we must have at most one. TODO: compare numbers if (not self.hasTask(tasks, TaskDropDb)): # and no drop_db tasks
# we must have at most one. TODO: compare numbers
self.assertAtMostOneSuccess(tasks, TaskCreateDb)
class StateDbOnly(AnyState): class StateDbOnly(AnyState):
def getInfo(self): def getInfo(self):
...@@ -797,32 +890,34 @@ class StateDbOnly(AnyState): ...@@ -797,32 +890,34 @@ class StateDbOnly(AnyState):
] ]
def verifyTasksToState(self, tasks, newState): def verifyTasksToState(self, tasks, newState):
if ( not self.hasTask(tasks, TaskCreateDb) ): if (not self.hasTask(tasks, TaskCreateDb)):
self.assertAtMostOneSuccess(tasks, TaskDropDb) # only if we don't create any more # only if we don't create any more
self.assertAtMostOneSuccess(tasks, TaskDropDb)
self.assertIfExistThenSuccess(tasks, TaskDropDb) self.assertIfExistThenSuccess(tasks, TaskDropDb)
# self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not true in massively parrallel cases # self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not true in massively parrallel cases
# Nothing to be said about adding data task # Nothing to be said about adding data task
# if ( self.hasSuccess(tasks, DropDbTask) ): # dropped the DB # if ( self.hasSuccess(tasks, DropDbTask) ): # dropped the DB
# self.assertHasTask(tasks, DropDbTask) # implied by hasSuccess # self.assertHasTask(tasks, DropDbTask) # implied by hasSuccess
# self.assertAtMostOneSuccess(tasks, DropDbTask) # self.assertAtMostOneSuccess(tasks, DropDbTask)
# self._state = self.STATE_EMPTY # self._state = self.STATE_EMPTY
# if ( self.hasSuccess(tasks, TaskCreateSuperTable) ): # did not drop db, create table success # if ( self.hasSuccess(tasks, TaskCreateSuperTable) ): # did not drop db, create table success
# # self.assertHasTask(tasks, CreateFixedTableTask) # tried to create table # # self.assertHasTask(tasks, CreateFixedTableTask) # tried to create table
# if ( not self.hasTask(tasks, TaskDropSuperTable) ): # if ( not self.hasTask(tasks, TaskDropSuperTable) ):
# self.assertAtMostOneSuccess(tasks, TaskCreateSuperTable) # at most 1 attempt is successful, if we don't drop anything # self.assertAtMostOneSuccess(tasks, TaskCreateSuperTable) # at most 1 attempt is successful, if we don't drop anything
# self.assertNoTask(tasks, DropDbTask) # should have have tried # self.assertNoTask(tasks, DropDbTask) # should have have tried
# if ( not self.hasSuccess(tasks, AddFixedDataTask) ): # just created table, no data yet # if ( not self.hasSuccess(tasks, AddFixedDataTask) ): # just created table, no data yet
# # can't say there's add-data attempts, since they may all fail # # can't say there's add-data attempts, since they may all fail
# self._state = self.STATE_TABLE_ONLY # self._state = self.STATE_TABLE_ONLY
# else: # else:
# self._state = self.STATE_HAS_DATA # self._state = self.STATE_HAS_DATA
# What about AddFixedData? # What about AddFixedData?
# elif ( self.hasSuccess(tasks, AddFixedDataTask) ): # elif ( self.hasSuccess(tasks, AddFixedDataTask) ):
# self._state = self.STATE_HAS_DATA # self._state = self.STATE_HAS_DATA
# else: # no success in dropping db tasks, no success in create fixed table? read data should also fail # else: # no success in dropping db tasks, no success in create fixed table? read data should also fail
# # raise RuntimeError("Unexpected no-success scenario") # We might just landed all failure tasks, # # raise RuntimeError("Unexpected no-success scenario") # We might just landed all failure tasks,
# self._state = self.STATE_DB_ONLY # no change # self._state = self.STATE_DB_ONLY # no change
class StateSuperTableOnly(AnyState): class StateSuperTableOnly(AnyState):
def getInfo(self): def getInfo(self):
return [ return [
...@@ -833,9 +928,11 @@ class StateSuperTableOnly(AnyState): ...@@ -833,9 +928,11 @@ class StateSuperTableOnly(AnyState):
] ]
def verifyTasksToState(self, tasks, newState): def verifyTasksToState(self, tasks, newState):
if ( self.hasSuccess(tasks, TaskDropSuperTable) ): # we are able to drop the table if (self.hasSuccess(tasks, TaskDropSuperTable)
): # we are able to drop the table
#self.assertAtMostOneSuccess(tasks, TaskDropSuperTable) #self.assertAtMostOneSuccess(tasks, TaskDropSuperTable)
self.hasSuccess(tasks, TaskCreateSuperTable) # we must have had recreted it # we must have had recreted it
self.hasSuccess(tasks, TaskCreateSuperTable)
# self._state = self.STATE_DB_ONLY # self._state = self.STATE_DB_ONLY
# elif ( self.hasSuccess(tasks, AddFixedDataTask) ): # no success dropping the table, but added data # elif ( self.hasSuccess(tasks, AddFixedDataTask) ): # no success dropping the table, but added data
...@@ -849,6 +946,7 @@ class StateSuperTableOnly(AnyState): ...@@ -849,6 +946,7 @@ class StateSuperTableOnly(AnyState):
# raise RuntimeError("Unexpected no-success scenarios") # raise RuntimeError("Unexpected no-success scenarios")
# TODO: need to revamp!! # TODO: need to revamp!!
class StateHasData(AnyState): class StateHasData(AnyState):
def getInfo(self): def getInfo(self):
return [ return [
...@@ -859,13 +957,15 @@ class StateHasData(AnyState): ...@@ -859,13 +957,15 @@ class StateHasData(AnyState):
] ]
def verifyTasksToState(self, tasks, newState): def verifyTasksToState(self, tasks, newState):
if ( newState.equals(AnyState.STATE_EMPTY) ): if (newState.equals(AnyState.STATE_EMPTY)):
self.hasSuccess(tasks, TaskDropDb) self.hasSuccess(tasks, TaskDropDb)
if ( not self.hasTask(tasks, TaskCreateDb) ) : if (not self.hasTask(tasks, TaskCreateDb)):
self.assertAtMostOneSuccess(tasks, TaskDropDb) # TODO: dicy self.assertAtMostOneSuccess(tasks, TaskDropDb) # TODO: dicy
elif ( newState.equals(AnyState.STATE_DB_ONLY) ): # in DB only elif (newState.equals(AnyState.STATE_DB_ONLY)): # in DB only
if ( not self.hasTask(tasks, TaskCreateDb)): # without a create_db task if (not self.hasTask(tasks, TaskCreateDb)
self.assertNoTask(tasks, TaskDropDb) # we must have drop_db task ): # without a create_db task
# we must have drop_db task
self.assertNoTask(tasks, TaskDropDb)
self.hasSuccess(tasks, TaskDropSuperTable) self.hasSuccess(tasks, TaskDropSuperTable)
# self.assertAtMostOneSuccess(tasks, DropFixedSuperTableTask) # TODO: dicy # self.assertAtMostOneSuccess(tasks, DropFixedSuperTableTask) # TODO: dicy
# elif ( newState.equals(AnyState.STATE_TABLE_ONLY) ): # data deleted # elif ( newState.equals(AnyState.STATE_TABLE_ONLY) ): # data deleted
...@@ -873,19 +973,26 @@ class StateHasData(AnyState): ...@@ -873,19 +973,26 @@ class StateHasData(AnyState):
# self.assertNoTask(tasks, TaskDropSuperTable) # self.assertNoTask(tasks, TaskDropSuperTable)
# self.assertNoTask(tasks, TaskAddData) # self.assertNoTask(tasks, TaskAddData)
# self.hasSuccess(tasks, DeleteDataTasks) # self.hasSuccess(tasks, DeleteDataTasks)
else: # should be STATE_HAS_DATA else: # should be STATE_HAS_DATA
if (not self.hasTask(tasks, TaskCreateDb) ): # only if we didn't create one if (not self.hasTask(tasks, TaskCreateDb)
self.assertNoTask(tasks, TaskDropDb) # we shouldn't have dropped it ): # only if we didn't create one
if (not self.hasTask(tasks, TaskCreateSuperTable)) : # if we didn't create the table # we shouldn't have dropped it
self.assertNoTask(tasks, TaskDropSuperTable) # we should not have a task that drops it self.assertNoTask(tasks, TaskDropDb)
if (not self.hasTask(tasks, TaskCreateSuperTable)
): # if we didn't create the table
# we should not have a task that drops it
self.assertNoTask(tasks, TaskDropSuperTable)
# self.assertIfExistThenSuccess(tasks, ReadFixedDataTask) # self.assertIfExistThenSuccess(tasks, ReadFixedDataTask)
class StateMechine: class StateMechine:
def __init__(self, dbConn): def __init__(self, dbConn):
self._dbConn = dbConn self._dbConn = dbConn
self._curState = self._findCurrentState() # starting state self._curState = self._findCurrentState() # starting state
self._stateWeights = [1,3,5,15] # transitition target probabilities, indexed with value of STATE_EMPTY, STATE_DB_ONLY, etc. # transitition target probabilities, indexed with value of STATE_EMPTY,
# STATE_DB_ONLY, etc.
self._stateWeights = [1, 3, 5, 15]
def getCurrentState(self): def getCurrentState(self):
return self._curState return self._curState
...@@ -893,142 +1000,178 @@ class StateMechine: ...@@ -893,142 +1000,178 @@ class StateMechine:
return self._curState.canDropDb() # ha, can drop DB means it has one return self._curState.canDropDb() # ha, can drop DB means it has one
# May be slow, use cautionsly... # May be slow, use cautionsly...
def getTaskTypes(self): # those that can run (directly/indirectly) from the current state def getTaskTypes(self): # those that can run (directly/indirectly) from the current state
def typesToStrings(types): def typesToStrings(types):
ss = [] ss = []
for t in types: for t in types:
ss.append(t.__name__) ss.append(t.__name__)
return ss return ss
allTaskClasses = StateTransitionTask.__subclasses__() # all state transition tasks allTaskClasses = StateTransitionTask.__subclasses__() # all state transition tasks
firstTaskTypes = [] firstTaskTypes = []
for tc in allTaskClasses: for tc in allTaskClasses:
# t = tc(self) # create task object # t = tc(self) # create task object
if tc.canBeginFrom(self._curState): if tc.canBeginFrom(self._curState):
firstTaskTypes.append(tc) firstTaskTypes.append(tc)
# now we have all the tasks that can begin directly from the current state, let's figure out the INDIRECT ones # now we have all the tasks that can begin directly from the current
taskTypes = firstTaskTypes.copy() # have to have these # state, let's figure out the INDIRECT ones
for task1 in firstTaskTypes: # each task type gathered so far taskTypes = firstTaskTypes.copy() # have to have these
endState = task1.getEndState() # figure the end state for task1 in firstTaskTypes: # each task type gathered so far
if endState == None: # does not change end state endState = task1.getEndState() # figure the end state
continue # no use, do nothing if endState is None: # does not change end state
for tc in allTaskClasses: # what task can further begin from there? continue # no use, do nothing
for tc in allTaskClasses: # what task can further begin from there?
if tc.canBeginFrom(endState) and (tc not in firstTaskTypes): if tc.canBeginFrom(endState) and (tc not in firstTaskTypes):
taskTypes.append(tc) # gather it taskTypes.append(tc) # gather it
if len(taskTypes) <= 0: if len(taskTypes) <= 0:
raise RuntimeError("No suitable task types found for state: {}".format(self._curState)) raise RuntimeError(
logger.debug("[OPS] Tasks found for state {}: {}".format(self._curState, typesToStrings(taskTypes))) "No suitable task types found for state: {}".format(
self._curState))
logger.debug(
"[OPS] Tasks found for state {}: {}".format(
self._curState,
typesToStrings(taskTypes)))
return taskTypes return taskTypes
def _findCurrentState(self): def _findCurrentState(self):
dbc = self._dbConn dbc = self._dbConn
ts = time.time() # we use this to debug how fast/slow it is to do the various queries to find the current DB state ts = time.time() # we use this to debug how fast/slow it is to do the various queries to find the current DB state
if dbc.query("show databases") == 0 : # no database?! if dbc.query("show databases") == 0: # no database?!
# logger.debug("Found EMPTY state") # logger.debug("Found EMPTY state")
logger.debug("[STT] empty database found, between {} and {}".format(ts, time.time())) logger.debug(
"[STT] empty database found, between {} and {}".format(
ts, time.time()))
return StateEmpty() return StateEmpty()
dbc.execute("use db") # did not do this when openning connection, and this is NOT the worker thread, which does this on their own # did not do this when openning connection, and this is NOT the worker
if dbc.query("show tables") == 0 : # no tables # thread, which does this on their own
dbc.execute("use db")
if dbc.query("show tables") == 0: # no tables
# logger.debug("Found DB ONLY state") # logger.debug("Found DB ONLY state")
logger.debug("[STT] DB_ONLY found, between {} and {}".format(ts, time.time())) logger.debug(
"[STT] DB_ONLY found, between {} and {}".format(
ts, time.time()))
return StateDbOnly() return StateDbOnly()
if dbc.query("SELECT * FROM db.{}".format(DbManager.getFixedSuperTableName()) ) == 0 : # no regular tables if dbc.query("SELECT * FROM db.{}".format(DbManager.getFixedSuperTableName())
) == 0: # no regular tables
# logger.debug("Found TABLE_ONLY state") # logger.debug("Found TABLE_ONLY state")
logger.debug("[STT] SUPER_TABLE_ONLY found, between {} and {}".format(ts, time.time())) logger.debug(
"[STT] SUPER_TABLE_ONLY found, between {} and {}".format(
ts, time.time()))
return StateSuperTableOnly() return StateSuperTableOnly()
else: # has actual tables else: # has actual tables
# logger.debug("Found HAS_DATA state") # logger.debug("Found HAS_DATA state")
logger.debug("[STT] HAS_DATA found, between {} and {}".format(ts, time.time())) logger.debug(
"[STT] HAS_DATA found, between {} and {}".format(
ts, time.time()))
return StateHasData() return StateHasData()
def transition(self, tasks): def transition(self, tasks):
if ( len(tasks) == 0 ): # before 1st step, or otherwise empty if (len(tasks) == 0): # before 1st step, or otherwise empty
logger.debug("[STT] Starting State: {}".format(self._curState)) logger.debug("[STT] Starting State: {}".format(self._curState))
return # do nothing return # do nothing
self._dbConn.execute("show dnodes") # this should show up in the server log, separating steps # this should show up in the server log, separating steps
self._dbConn.execute("show dnodes")
# Generic Checks, first based on the start state # Generic Checks, first based on the start state
if self._curState.canCreateDb(): if self._curState.canCreateDb():
self._curState.assertIfExistThenSuccess(tasks, TaskCreateDb) self._curState.assertIfExistThenSuccess(tasks, TaskCreateDb)
# self.assertAtMostOneSuccess(tasks, CreateDbTask) # not really, in case of multiple creation and drops # self.assertAtMostOneSuccess(tasks, CreateDbTask) # not really, in
# case of multiple creation and drops
if self._curState.canDropDb(): if self._curState.canDropDb():
self._curState.assertIfExistThenSuccess(tasks, TaskDropDb) self._curState.assertIfExistThenSuccess(tasks, TaskDropDb)
# self.assertAtMostOneSuccess(tasks, DropDbTask) # not really in case of drop-create-drop # self.assertAtMostOneSuccess(tasks, DropDbTask) # not really in
# case of drop-create-drop
# if self._state.canCreateFixedTable(): # if self._state.canCreateFixedTable():
# self.assertIfExistThenSuccess(tasks, CreateFixedTableTask) # Not true, DB may be dropped # self.assertIfExistThenSuccess(tasks, CreateFixedTableTask) # Not true, DB may be dropped
# self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not really, in case of create-drop-create # self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not
# really, in case of create-drop-create
# if self._state.canDropFixedTable(): # if self._state.canDropFixedTable():
# self.assertIfExistThenSuccess(tasks, DropFixedTableTask) # Not True, the whole DB may be dropped # self.assertIfExistThenSuccess(tasks, DropFixedTableTask) # Not True, the whole DB may be dropped
# self.assertAtMostOneSuccess(tasks, DropFixedTableTask) # not really in case of drop-create-drop # self.assertAtMostOneSuccess(tasks, DropFixedTableTask) # not
# really in case of drop-create-drop
# if self._state.canAddData(): # if self._state.canAddData():
# self.assertIfExistThenSuccess(tasks, AddFixedDataTask) # not true actually # self.assertIfExistThenSuccess(tasks, AddFixedDataTask) # not true
# actually
# if self._state.canReadData(): # if self._state.canReadData():
# Nothing for sure # Nothing for sure
newState = self._findCurrentState() newState = self._findCurrentState()
logger.debug("[STT] New DB state determined: {}".format(newState)) logger.debug("[STT] New DB state determined: {}".format(newState))
self._curState.verifyTasksToState(tasks, newState) # can old state move to new state through the tasks? # can old state move to new state through the tasks?
self._curState.verifyTasksToState(tasks, newState)
self._curState = newState self._curState = newState
def pickTaskType(self): def pickTaskType(self):
taskTypes = self.getTaskTypes() # all the task types we can choose from at curent state # all the task types we can choose from at curent state
taskTypes = self.getTaskTypes()
weights = [] weights = []
for tt in taskTypes: for tt in taskTypes:
endState = tt.getEndState() endState = tt.getEndState()
if endState != None : if endState is not None:
weights.append(self._stateWeights[endState.getValIndex()]) # TODO: change to a method # TODO: change to a method
weights.append(self._stateWeights[endState.getValIndex()])
else: else:
weights.append(10) # read data task, default to 10: TODO: change to a constant # read data task, default to 10: TODO: change to a constant
weights.append(10)
i = self._weighted_choice_sub(weights) i = self._weighted_choice_sub(weights)
# logger.debug(" (weighted random:{}/{}) ".format(i, len(taskTypes))) # logger.debug(" (weighted random:{}/{}) ".format(i, len(taskTypes)))
return taskTypes[i] return taskTypes[i]
def _weighted_choice_sub(self, weights): # ref: https://eli.thegreenplace.net/2010/01/22/weighted-random-generation-in-python/ # ref:
rnd = random.random() * sum(weights) # TODO: use our dice to ensure it being determinstic? # https://eli.thegreenplace.net/2010/01/22/weighted-random-generation-in-python/
def _weighted_choice_sub(self, weights):
# TODO: use our dice to ensure it being determinstic?
rnd = random.random() * sum(weights)
for i, w in enumerate(weights): for i, w in enumerate(weights):
rnd -= w rnd -= w
if rnd < 0: if rnd < 0:
return i return i
# Manager of the Database Data/Connection # Manager of the Database Data/Connection
class DbManager():
def __init__(self, resetDb = True):
class DbManager():
def __init__(self, resetDb=True):
self.tableNumQueue = LinearQueue() self.tableNumQueue = LinearQueue()
self._lastTick = self.setupLastTick() # datetime.datetime(2019, 1, 1) # initial date time tick # datetime.datetime(2019, 1, 1) # initial date time tick
self._lastInt = 0 # next one is initial integer self._lastTick = self.setupLastTick()
self._lastInt = 0 # next one is initial integer
self._lock = threading.RLock() self._lock = threading.RLock()
# self.openDbServerConnection() # self.openDbServerConnection()
self._dbConn = DbConn.createNative() if (gConfig.connector_type=='native') else DbConn.createRest() self._dbConn = DbConn.createNative() if (
gConfig.connector_type == 'native') else DbConn.createRest()
try: try:
self._dbConn.open() # may throw taos.error.ProgrammingError: disconnected self._dbConn.open() # may throw taos.error.ProgrammingError: disconnected
except taos.error.ProgrammingError as err: except taos.error.ProgrammingError as err:
# print("Error type: {}, msg: {}, value: {}".format(type(err), err.msg, err)) # print("Error type: {}, msg: {}, value: {}".format(type(err), err.msg, err))
if ( err.msg == 'client disconnected' ): # cannot open DB connection if (err.msg == 'client disconnected'): # cannot open DB connection
print("Cannot establish DB connection, please re-run script without parameter, and follow the instructions.") print(
"Cannot establish DB connection, please re-run script without parameter, and follow the instructions.")
sys.exit(2) sys.exit(2)
else: else:
raise raise
except: except BaseException:
print("[=] Unexpected exception") print("[=] Unexpected exception")
raise raise
if resetDb:
self._dbConn.resetDb() # drop and recreate DB
if resetDb : # Do this after dbConn is in proper shape
self._dbConn.resetDb() # drop and recreate DB self._stateMachine = StateMechine(self._dbConn)
self._stateMachine = StateMechine(self._dbConn) # Do this after dbConn is in proper shape
def getDbConn(self): def getDbConn(self):
return self._dbConn return self._dbConn
def getStateMachine(self) -> StateMechine : def getStateMachine(self) -> StateMechine:
return self._stateMachine return self._stateMachine
# def getState(self): # def getState(self):
...@@ -1043,15 +1186,18 @@ class DbManager(): ...@@ -1043,15 +1186,18 @@ class DbManager():
def setupLastTick(self): def setupLastTick(self):
t1 = datetime.datetime(2020, 6, 1) t1 = datetime.datetime(2020, 6, 1)
t2 = datetime.datetime.now() t2 = datetime.datetime.now()
elSec = int(t2.timestamp() - t1.timestamp()) # maybe a very large number, takes 69 years to exceed Python int range # maybe a very large number, takes 69 years to exceed Python int range
elSec2 = ( elSec % (8 * 12 * 30 * 24 * 60 * 60 / 500 ) ) * 500 # a number representing seconds within 10 years elSec = int(t2.timestamp() - t1.timestamp())
elSec2 = (elSec % (8 * 12 * 30 * 24 * 60 * 60 / 500)) * \
500 # a number representing seconds within 10 years
# print("elSec = {}".format(elSec)) # print("elSec = {}".format(elSec))
t3 = datetime.datetime(2012, 1, 1) # default "keep" is 10 years t3 = datetime.datetime(2012, 1, 1) # default "keep" is 10 years
t4 = datetime.datetime.fromtimestamp( t3.timestamp() + elSec2) # see explanation above t4 = datetime.datetime.fromtimestamp(
t3.timestamp() + elSec2) # see explanation above
logger.info("Setting up TICKS to start from: {}".format(t4)) logger.info("Setting up TICKS to start from: {}".format(t4))
return t4 return t4
def pickAndAllocateTable(self): # pick any table, and "use" it def pickAndAllocateTable(self): # pick any table, and "use" it
return self.tableNumQueue.pickAndAllocate() return self.tableNumQueue.pickAndAllocate()
def addTable(self): def addTable(self):
...@@ -1063,15 +1209,16 @@ class DbManager(): ...@@ -1063,15 +1209,16 @@ class DbManager():
def getFixedSuperTableName(cls): def getFixedSuperTableName(cls):
return "fs_table" return "fs_table"
def releaseTable(self, i): # return the table back, so others can use it def releaseTable(self, i): # return the table back, so others can use it
self.tableNumQueue.release(i) self.tableNumQueue.release(i)
def getNextTick(self): def getNextTick(self):
with self._lock: # prevent duplicate tick with self._lock: # prevent duplicate tick
if Dice.throw(10) == 0 : # 1 in 10 chance if Dice.throw(10) == 0: # 1 in 10 chance
return self._lastTick + datetime.timedelta(0, -100) return self._lastTick + datetime.timedelta(0, -100)
else: # regular else: # regular
self._lastTick += datetime.timedelta(0, 1) # add one second to it # add one second to it
self._lastTick += datetime.timedelta(0, 1)
return self._lastTick return self._lastTick
def getNextInt(self): def getNextInt(self):
...@@ -1080,29 +1227,31 @@ class DbManager(): ...@@ -1080,29 +1227,31 @@ class DbManager():
return self._lastInt return self._lastInt
def getNextBinary(self): def getNextBinary(self):
return "Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_{}".format(self.getNextInt()) return "Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_{}".format(
self.getNextInt())
def getNextFloat(self): def getNextFloat(self):
return 0.9 + self.getNextInt() return 0.9 + self.getNextInt()
def getTableNameToDelete(self): def getTableNameToDelete(self):
tblNum = self.tableNumQueue.pop() # TODO: race condition! tblNum = self.tableNumQueue.pop() # TODO: race condition!
if ( not tblNum ): # maybe false if (not tblNum): # maybe false
return False return False
return "table_{}".format(tblNum) return "table_{}".format(tblNum)
def cleanUp(self): def cleanUp(self):
self._dbConn.close() self._dbConn.close()
class TaskExecutor(): class TaskExecutor():
class BoundedList: class BoundedList:
def __init__(self, size = 10): def __init__(self, size=10):
self._size = size self._size = size
self._list = [] self._list = []
def add(self, n: int) : def add(self, n: int):
if not self._list: # empty if not self._list: # empty
self._list.append(n) self._list.append(n)
return return
# now we should insert # now we should insert
...@@ -1110,22 +1259,22 @@ class TaskExecutor(): ...@@ -1110,22 +1259,22 @@ class TaskExecutor():
insPos = 0 insPos = 0
for i in range(nItems): for i in range(nItems):
insPos = i insPos = i
if n <= self._list[i] : # smaller than this item, time to insert if n <= self._list[i]: # smaller than this item, time to insert
break # found the insertion point break # found the insertion point
insPos += 1 # insert to the right insPos += 1 # insert to the right
if insPos == 0 : # except for the 1st item, # TODO: elimiate first item as gating item if insPos == 0: # except for the 1st item, # TODO: elimiate first item as gating item
return # do nothing return # do nothing
# print("Inserting at postion {}, value: {}".format(insPos, n)) # print("Inserting at postion {}, value: {}".format(insPos, n))
self._list.insert(insPos, n) # insert self._list.insert(insPos, n) # insert
newLen = len(self._list) newLen = len(self._list)
if newLen <= self._size : if newLen <= self._size:
return # do nothing return # do nothing
elif newLen == (self._size + 1) : elif newLen == (self._size + 1):
del self._list[0] # remove the first item del self._list[0] # remove the first item
else : else:
raise RuntimeError("Corrupt Bounded List") raise RuntimeError("Corrupt Bounded List")
def __str__(self): def __str__(self):
...@@ -1143,7 +1292,7 @@ class TaskExecutor(): ...@@ -1143,7 +1292,7 @@ class TaskExecutor():
def getCurStep(self): def getCurStep(self):
return self._curStep return self._curStep
def execute(self, task: Task, wt: WorkerThread): # execute a task on a thread def execute(self, task: Task, wt: WorkerThread): # execute a task on a thread
task.execute(wt) task.execute(wt)
def recordDataMark(self, n: int): def recordDataMark(self, n: int):
...@@ -1156,128 +1305,147 @@ class TaskExecutor(): ...@@ -1156,128 +1305,147 @@ class TaskExecutor():
# def logDebug(self, msg): # def logDebug(self, msg):
# logger.debug(" T[{}.x]: ".format(self._curStep) + msg) # logger.debug(" T[{}.x]: ".format(self._curStep) + msg)
class Task(): class Task():
taskSn = 100 taskSn = 100
@classmethod @classmethod
def allocTaskNum(cls): def allocTaskNum(cls):
Task.taskSn += 1 # IMPORTANT: cannot use cls.taskSn, since each sub class will have a copy Task.taskSn += 1 # IMPORTANT: cannot use cls.taskSn, since each sub class will have a copy
# logger.debug("Allocating taskSN: {}".format(Task.taskSn)) # logger.debug("Allocating taskSN: {}".format(Task.taskSn))
return Task.taskSn return Task.taskSn
def __init__(self, dbManager: DbManager, execStats: ExecutionStats): def __init__(self, dbManager: DbManager, execStats: ExecutionStats):
self._dbManager = dbManager self._dbManager = dbManager
self._workerThread = None self._workerThread = None
self._err = None self._err = None
self._aborted = False self._aborted = False
self._curStep = None self._curStep = None
self._numRows = None # Number of rows affected self._numRows = None # Number of rows affected
# Assign an incremental task serial number # Assign an incremental task serial number
self._taskNum = self.allocTaskNum() self._taskNum = self.allocTaskNum()
# logger.debug("Creating new task {}...".format(self._taskNum)) # logger.debug("Creating new task {}...".format(self._taskNum))
self._execStats = execStats self._execStats = execStats
self._lastSql = "" # last SQL executed/attempted self._lastSql = "" # last SQL executed/attempted
def isSuccess(self): def isSuccess(self):
return self._err == None return self._err is None
def isAborted(self): def isAborted(self):
return self._aborted return self._aborted
def clone(self): # TODO: why do we need this again? def clone(self): # TODO: why do we need this again?
newTask = self.__class__(self._dbManager, self._execStats) newTask = self.__class__(self._dbManager, self._execStats)
return newTask return newTask
def logDebug(self, msg): def logDebug(self, msg):
self._workerThread.logDebug("Step[{}.{}] {}".format(self._curStep, self._taskNum, msg)) self._workerThread.logDebug(
"Step[{}.{}] {}".format(
self._curStep, self._taskNum, msg))
def logInfo(self, msg): def logInfo(self, msg):
self._workerThread.logInfo("Step[{}.{}] {}".format(self._curStep, self._taskNum, msg)) self._workerThread.logInfo(
"Step[{}.{}] {}".format(
self._curStep, self._taskNum, msg))
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
raise RuntimeError("To be implemeted by child classes, class name: {}".format(self.__class__.__name__)) raise RuntimeError(
"To be implemeted by child classes, class name: {}".format(
self.__class__.__name__))
def execute(self, wt: WorkerThread): def execute(self, wt: WorkerThread):
wt.verifyThreadSelf() wt.verifyThreadSelf()
self._workerThread = wt # type: ignore self._workerThread = wt # type: ignore
te = wt.getTaskExecutor() te = wt.getTaskExecutor()
self._curStep = te.getCurStep() self._curStep = te.getCurStep()
self.logDebug("[-] executing task {}...".format(self.__class__.__name__)) self.logDebug(
"[-] executing task {}...".format(self.__class__.__name__))
self._err = None self._err = None
self._execStats.beginTaskType(self.__class__.__name__) # mark beginning self._execStats.beginTaskType(
self.__class__.__name__) # mark beginning
try: try:
self._executeInternal(te, wt) # TODO: no return value? self._executeInternal(te, wt) # TODO: no return value?
except taos.error.ProgrammingError as err: except taos.error.ProgrammingError as err:
errno2 = err.errno if (err.errno > 0) else 0x80000000 + err.errno # correct error scheme errno2 = err.errno if (
if ( errno2 in [0x200, 0x360, 0x362, 0x36A, 0x36B, 0x36D, 0x381, 0x380, 0x383, 0x503, 0x600, err.errno > 0) else 0x80000000 + err.errno # correct error scheme
1000 # REST catch-all error if (errno2 in [0x200, 0x360, 0x362, 0x36A, 0x36B, 0x36D, 0x381, 0x380, 0x383, 0x503, 0x600,
]) : # allowed errors 1000 # REST catch-all error
self.logDebug("[=] Acceptable Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(errno2, err, self._lastSql)) ]): # allowed errors
self.logDebug(
"[=] Acceptable Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(
errno2, err, self._lastSql))
print("_", end="", flush=True) print("_", end="", flush=True)
self._err = err self._err = err
else: else:
errMsg = "[=] Unexpected Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(errno2, err, self._lastSql) errMsg = "[=] Unexpected Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(
errno2, err, self._lastSql)
self.logDebug(errMsg) self.logDebug(errMsg)
if gConfig.debug : if gConfig.debug:
raise # so that we see full stack raise # so that we see full stack
else: # non-debug else: # non-debug
print("\n\n----------------------------\nProgram ABORTED Due to Unexpected TAOS Error: \n\n{}\n".format(errMsg) + print(
"\n\n----------------------------\nProgram ABORTED Due to Unexpected TAOS Error: \n\n{}\n".format(errMsg) +
"----------------------------\n") "----------------------------\n")
# sys.exit(-1) # sys.exit(-1)
self._err = err self._err = err
self._aborted = True self._aborted = True
except Exception as e : except Exception as e:
self.logInfo("Non-TAOS exception encountered") self.logInfo("Non-TAOS exception encountered")
self._err = e self._err = e
self._aborted = True self._aborted = True
traceback.print_exc() traceback.print_exc()
except : except BaseException:
self.logDebug("[=] Unexpected exception, SQL: {}".format(self._lastSql)) self.logDebug(
"[=] Unexpected exception, SQL: {}".format(
self._lastSql))
raise raise
self._execStats.endTaskType(self.__class__.__name__, self.isSuccess()) self._execStats.endTaskType(self.__class__.__name__, self.isSuccess())
self.logDebug("[X] task execution completed, {}, status: {}".format(self.__class__.__name__, "Success" if self.isSuccess() else "Failure")) self.logDebug("[X] task execution completed, {}, status: {}".format(
self._execStats.incExecCount(self.__class__.__name__, self.isSuccess()) # TODO: merge with above. self.__class__.__name__, "Success" if self.isSuccess() else "Failure"))
# TODO: merge with above.
self._execStats.incExecCount(self.__class__.__name__, self.isSuccess())
def execSql(self, sql): def execSql(self, sql):
self._lastSql = sql self._lastSql = sql
return self._dbManager.execute(sql) return self._dbManager.execute(sql)
def execWtSql(self, wt: WorkerThread, sql): # execute an SQL on the worker thread def execWtSql(self, wt: WorkerThread, sql): # execute an SQL on the worker thread
self._lastSql = sql self._lastSql = sql
return wt.execSql(sql) return wt.execSql(sql)
def queryWtSql(self, wt: WorkerThread, sql): # execute an SQL on the worker thread def queryWtSql(self, wt: WorkerThread, sql): # execute an SQL on the worker thread
self._lastSql = sql self._lastSql = sql
return wt.querySql(sql) return wt.querySql(sql)
def getQueryResult(self, wt: WorkerThread): # execute an SQL on the worker thread def getQueryResult(self, wt: WorkerThread): # execute an SQL on the worker thread
return wt.getQueryResult() return wt.getQueryResult()
class ExecutionStats: class ExecutionStats:
def __init__(self): def __init__(self):
self._execTimes: Dict[str, [int, int]] = {} # total/success times for a task # total/success times for a task
self._execTimes: Dict[str, [int, int]] = {}
self._tasksInProgress = 0 self._tasksInProgress = 0
self._lock = threading.Lock() self._lock = threading.Lock()
self._firstTaskStartTime = None self._firstTaskStartTime = None
self._execStartTime = None self._execStartTime = None
self._elapsedTime = 0.0 # total elapsed time self._elapsedTime = 0.0 # total elapsed time
self._accRunTime = 0.0 # accumulated run time self._accRunTime = 0.0 # accumulated run time
self._failed = False self._failed = False
self._failureReason = None self._failureReason = None
def __str__(self): def __str__(self):
return "[ExecStats: _failed={}, _failureReason={}".format(self._failed, self._failureReason) return "[ExecStats: _failed={}, _failureReason={}".format(
self._failed, self._failureReason)
def isFailed(self): def isFailed(self):
return self._failed == True return self._failed
def startExec(self): def startExec(self):
self._execStartTime = time.time() self._execStartTime = time.time()
...@@ -1285,24 +1453,24 @@ class ExecutionStats: ...@@ -1285,24 +1453,24 @@ class ExecutionStats:
def endExec(self): def endExec(self):
self._elapsedTime = time.time() - self._execStartTime self._elapsedTime = time.time() - self._execStartTime
def incExecCount(self, klassName, isSuccess): # TODO: add a lock here def incExecCount(self, klassName, isSuccess): # TODO: add a lock here
if klassName not in self._execTimes: if klassName not in self._execTimes:
self._execTimes[klassName] = [0, 0] self._execTimes[klassName] = [0, 0]
t = self._execTimes[klassName] # tuple for the data t = self._execTimes[klassName] # tuple for the data
t[0] += 1 # index 0 has the "total" execution times t[0] += 1 # index 0 has the "total" execution times
if isSuccess: if isSuccess:
t[1] += 1 # index 1 has the "success" execution times t[1] += 1 # index 1 has the "success" execution times
def beginTaskType(self, klassName): def beginTaskType(self, klassName):
with self._lock: with self._lock:
if self._tasksInProgress == 0 : # starting a new round if self._tasksInProgress == 0: # starting a new round
self._firstTaskStartTime = time.time() # I am now the first task self._firstTaskStartTime = time.time() # I am now the first task
self._tasksInProgress += 1 self._tasksInProgress += 1
def endTaskType(self, klassName, isSuccess): def endTaskType(self, klassName, isSuccess):
with self._lock: with self._lock:
self._tasksInProgress -= 1 self._tasksInProgress -= 1
if self._tasksInProgress == 0 : # all tasks have stopped if self._tasksInProgress == 0: # all tasks have stopped
self._accRunTime += (time.time() - self._firstTaskStartTime) self._accRunTime += (time.time() - self._firstTaskStartTime)
self._firstTaskStartTime = None self._firstTaskStartTime = None
...@@ -1311,23 +1479,36 @@ class ExecutionStats: ...@@ -1311,23 +1479,36 @@ class ExecutionStats:
self._failureReason = reason self._failureReason = reason
def printStats(self): def printStats(self):
logger.info("----------------------------------------------------------------------") logger.info(
logger.info("| Crash_Gen test {}, with the following stats:". "----------------------------------------------------------------------")
format("FAILED (reason: {})".format(self._failureReason) if self._failed else "SUCCEEDED")) logger.info(
"| Crash_Gen test {}, with the following stats:". format(
"FAILED (reason: {})".format(
self._failureReason) if self._failed else "SUCCEEDED"))
logger.info("| Task Execution Times (success/total):") logger.info("| Task Execution Times (success/total):")
execTimesAny = 0 execTimesAny = 0
for k, n in self._execTimes.items(): for k, n in self._execTimes.items():
execTimesAny += n[0] execTimesAny += n[0]
logger.info("| {0:<24}: {1}/{2}".format(k,n[1],n[0])) logger.info("| {0:<24}: {1}/{2}".format(k, n[1], n[0]))
logger.info("| Total Tasks Executed (success or not): {} ".format(execTimesAny)) logger.info(
logger.info("| Total Tasks In Progress at End: {}".format(self._tasksInProgress)) "| Total Tasks Executed (success or not): {} ".format(execTimesAny))
logger.info("| Total Task Busy Time (elapsed time when any task is in progress): {:.3f} seconds".format(self._accRunTime)) logger.info(
logger.info("| Average Per-Task Execution Time: {:.3f} seconds".format(self._accRunTime/execTimesAny)) "| Total Tasks In Progress at End: {}".format(
logger.info("| Total Elapsed Time (from wall clock): {:.3f} seconds".format(self._elapsedTime)) self._tasksInProgress))
logger.info("| Top numbers written: {}".format(TaskExecutor.getBoundedList())) logger.info(
logger.info("----------------------------------------------------------------------") "| Total Task Busy Time (elapsed time when any task is in progress): {:.3f} seconds".format(
self._accRunTime))
logger.info(
"| Average Per-Task Execution Time: {:.3f} seconds".format(self._accRunTime / execTimesAny))
logger.info(
"| Total Elapsed Time (from wall clock): {:.3f} seconds".format(
self._elapsedTime))
logger.info(
"| Top numbers written: {}".format(
TaskExecutor.getBoundedList()))
logger.info(
"----------------------------------------------------------------------")
class StateTransitionTask(Task): class StateTransitionTask(Task):
...@@ -1337,12 +1518,12 @@ class StateTransitionTask(Task): ...@@ -1337,12 +1518,12 @@ class StateTransitionTask(Task):
SMALL_NUMBER_OF_RECORDS = 3 SMALL_NUMBER_OF_RECORDS = 3
@classmethod @classmethod
def getInfo(cls): # each sub class should supply their own information def getInfo(cls): # each sub class should supply their own information
raise RuntimeError("Overriding method expected") raise RuntimeError("Overriding method expected")
_endState = None _endState = None
@classmethod @classmethod
def getEndState(cls): # TODO: optimize by calling it fewer times def getEndState(cls): # TODO: optimize by calling it fewer times
raise RuntimeError("Overriding method expected") raise RuntimeError("Overriding method expected")
# @classmethod # @classmethod
...@@ -1364,18 +1545,20 @@ class StateTransitionTask(Task): ...@@ -1364,18 +1545,20 @@ class StateTransitionTask(Task):
def execute(self, wt: WorkerThread): def execute(self, wt: WorkerThread):
super().execute(wt) super().execute(wt)
class TaskCreateDb(StateTransitionTask): class TaskCreateDb(StateTransitionTask):
@classmethod @classmethod
def getEndState(cls): def getEndState(cls):
return StateDbOnly() return StateDbOnly()
@classmethod @classmethod
def canBeginFrom(cls, state: AnyState): def canBeginFrom(cls, state: AnyState):
return state.canCreateDb() return state.canCreateDb()
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
self.execWtSql(wt, "create database db") self.execWtSql(wt, "create database db")
class TaskDropDb(StateTransitionTask): class TaskDropDb(StateTransitionTask):
@classmethod @classmethod
...@@ -1390,6 +1573,7 @@ class TaskDropDb(StateTransitionTask): ...@@ -1390,6 +1573,7 @@ class TaskDropDb(StateTransitionTask):
self.execWtSql(wt, "drop database db") self.execWtSql(wt, "drop database db")
logger.debug("[OPS] database dropped at {}".format(time.time())) logger.debug("[OPS] database dropped at {}".format(time.time()))
class TaskCreateSuperTable(StateTransitionTask): class TaskCreateSuperTable(StateTransitionTask):
@classmethod @classmethod
def getEndState(cls): def getEndState(cls):
...@@ -1400,115 +1584,135 @@ class TaskCreateSuperTable(StateTransitionTask): ...@@ -1400,115 +1584,135 @@ class TaskCreateSuperTable(StateTransitionTask):
return state.canCreateFixedSuperTable() return state.canCreateFixedSuperTable()
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
if not wt.dbInUse(): # no DB yet, to the best of our knowledge if not wt.dbInUse(): # no DB yet, to the best of our knowledge
logger.debug("Skipping task, no DB yet") logger.debug("Skipping task, no DB yet")
return return
tblName = self._dbManager.getFixedSuperTableName() tblName = self._dbManager.getFixedSuperTableName()
# wt.execSql("use db") # should always be in place # wt.execSql("use db") # should always be in place
self.execWtSql(wt, "create table db.{} (ts timestamp, speed int) tags (b binary(200), f float) ".format(tblName)) self.execWtSql(
# No need to create the regular tables, INSERT will do that automatically wt,
"create table db.{} (ts timestamp, speed int) tags (b binary(200), f float) ".format(tblName))
# No need to create the regular tables, INSERT will do that
# automatically
class TaskReadData(StateTransitionTask): class TaskReadData(StateTransitionTask):
@classmethod @classmethod
def getEndState(cls): def getEndState(cls):
return None # meaning doesn't affect state return None # meaning doesn't affect state
@classmethod @classmethod
def canBeginFrom(cls, state: AnyState): def canBeginFrom(cls, state: AnyState):
return state.canReadData() return state.canReadData()
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
sTbName = self._dbManager.getFixedSuperTableName() sTbName = self._dbManager.getFixedSuperTableName()
self.queryWtSql(wt, "select TBNAME from db.{}".format(sTbName)) # TODO: analyze result set later self.queryWtSql(wt, "select TBNAME from db.{}".format(
sTbName)) # TODO: analyze result set later
if random.randrange(5) == 0 : # 1 in 5 chance, simulate a broken connection. TODO: break connection in all situations if random.randrange(
5) == 0: # 1 in 5 chance, simulate a broken connection. TODO: break connection in all situations
wt.getDbConn().close() wt.getDbConn().close()
wt.getDbConn().open() wt.getDbConn().open()
else: else:
rTables = self.getQueryResult(wt) # wt.getDbConn().getQueryResult() # wt.getDbConn().getQueryResult()
rTables = self.getQueryResult(wt)
# print("rTables[0] = {}, type = {}".format(rTables[0], type(rTables[0]))) # print("rTables[0] = {}, type = {}".format(rTables[0], type(rTables[0])))
for rTbName in rTables : # regular tables for rTbName in rTables: # regular tables
self.execWtSql(wt, "select * from db.{}".format(rTbName[0])) self.execWtSql(wt, "select * from db.{}".format(rTbName[0]))
# tdSql.query(" cars where tbname in ('carzero', 'carone')") # tdSql.query(" cars where tbname in ('carzero', 'carone')")
class TaskDropSuperTable(StateTransitionTask): class TaskDropSuperTable(StateTransitionTask):
@classmethod @classmethod
def getEndState(cls): def getEndState(cls):
return StateDbOnly() return StateDbOnly()
@classmethod @classmethod
def canBeginFrom(cls, state: AnyState): def canBeginFrom(cls, state: AnyState):
return state.canDropFixedSuperTable() return state.canDropFixedSuperTable()
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
# 1/2 chance, we'll drop the regular tables one by one, in a randomized sequence # 1/2 chance, we'll drop the regular tables one by one, in a randomized
if Dice.throw(2) == 0 : # sequence
tblSeq = list(range(2 + (self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES))) if Dice.throw(2) == 0:
random.shuffle(tblSeq) tblSeq = list(range(
tickOutput = False # if we have spitted out a "d" character for "drop regular table" 2 + (self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES)))
random.shuffle(tblSeq)
tickOutput = False # if we have spitted out a "d" character for "drop regular table"
isSuccess = True isSuccess = True
for i in tblSeq: for i in tblSeq:
regTableName = self.getRegTableName(i); # "db.reg_table_{}".format(i) regTableName = self.getRegTableName(
i) # "db.reg_table_{}".format(i)
try: try:
self.execWtSql(wt, "drop table {}".format(regTableName)) # nRows always 0, like MySQL self.execWtSql(wt, "drop table {}".format(
except taos.error.ProgrammingError as err: regTableName)) # nRows always 0, like MySQL
errno2 = err.errno if (err.errno > 0) else 0x80000000 + err.errno # correcting for strange error number scheme except taos.error.ProgrammingError as err:
if ( errno2 in [0x362]) : # mnode invalid table name # correcting for strange error number scheme
errno2 = err.errno if (
err.errno > 0) else 0x80000000 + err.errno
if (errno2 in [0x362]): # mnode invalid table name
isSuccess = False isSuccess = False
logger.debug("[DB] Acceptable error when dropping a table") logger.debug(
continue # try to delete next regular table "[DB] Acceptable error when dropping a table")
continue # try to delete next regular table
if (not tickOutput): if (not tickOutput):
tickOutput = True # Print only one time tickOutput = True # Print only one time
if isSuccess : if isSuccess:
print("d", end="", flush=True) print("d", end="", flush=True)
else: else:
print("f", end="", flush=True) print("f", end="", flush=True)
# Drop the super table itself # Drop the super table itself
tblName = self._dbManager.getFixedSuperTableName() tblName = self._dbManager.getFixedSuperTableName()
self.execWtSql(wt, "drop table db.{}".format(tblName)) self.execWtSql(wt, "drop table db.{}".format(tblName))
class TaskAlterTags(StateTransitionTask): class TaskAlterTags(StateTransitionTask):
@classmethod @classmethod
def getEndState(cls): def getEndState(cls):
return None # meaning doesn't affect state return None # meaning doesn't affect state
@classmethod @classmethod
def canBeginFrom(cls, state: AnyState): def canBeginFrom(cls, state: AnyState):
return state.canDropFixedSuperTable() # if we can drop it, we can alter tags return state.canDropFixedSuperTable() # if we can drop it, we can alter tags
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
tblName = self._dbManager.getFixedSuperTableName() tblName = self._dbManager.getFixedSuperTableName()
dice = Dice.throw(4) dice = Dice.throw(4)
if dice == 0 : if dice == 0:
sql = "alter table db.{} add tag extraTag int".format(tblName) sql = "alter table db.{} add tag extraTag int".format(tblName)
elif dice == 1 : elif dice == 1:
sql = "alter table db.{} drop tag extraTag".format(tblName) sql = "alter table db.{} drop tag extraTag".format(tblName)
elif dice == 2 : elif dice == 2:
sql = "alter table db.{} drop tag newTag".format(tblName) sql = "alter table db.{} drop tag newTag".format(tblName)
else: # dice == 3 else: # dice == 3
sql = "alter table db.{} change tag extraTag newTag".format(tblName) sql = "alter table db.{} change tag extraTag newTag".format(
tblName)
self.execWtSql(wt, sql) self.execWtSql(wt, sql)
class TaskAddData(StateTransitionTask): class TaskAddData(StateTransitionTask):
activeTable : Set[int] = set() # Track which table is being actively worked on # Track which table is being actively worked on
activeTable: Set[int] = set()
# We use these two files to record operations to DB, useful for power-off tests # We use these two files to record operations to DB, useful for power-off
# tests
fAddLogReady = None fAddLogReady = None
fAddLogDone = None fAddLogDone = None
@classmethod @classmethod
def prepToRecordOps(cls): def prepToRecordOps(cls):
if gConfig.record_ops : if gConfig.record_ops:
if ( cls.fAddLogReady == None ): if (cls.fAddLogReady is None):
logger.info("Recording in a file operations to be performed...") logger.info(
"Recording in a file operations to be performed...")
cls.fAddLogReady = open("add_log_ready.txt", "w") cls.fAddLogReady = open("add_log_ready.txt", "w")
if ( cls.fAddLogDone == None ): if (cls.fAddLogDone is None):
logger.info("Recording in a file operations completed...") logger.info("Recording in a file operations completed...")
cls.fAddLogDone = open("add_log_done.txt", "w") cls.fAddLogDone = open("add_log_done.txt", "w")
...@@ -1519,71 +1723,84 @@ class TaskAddData(StateTransitionTask): ...@@ -1519,71 +1723,84 @@ class TaskAddData(StateTransitionTask):
@classmethod @classmethod
def canBeginFrom(cls, state: AnyState): def canBeginFrom(cls, state: AnyState):
return state.canAddData() return state.canAddData()
def _executeInternal(self, te: TaskExecutor, wt: WorkerThread): def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
ds = self._dbManager ds = self._dbManager
# wt.execSql("use db") # TODO: seems to be an INSERT bug to require this # wt.execSql("use db") # TODO: seems to be an INSERT bug to require
tblSeq = list(range(self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES)) # this
random.shuffle(tblSeq) tblSeq = list(
for i in tblSeq: range(
if ( i in self.activeTable ): # wow already active self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES))
# logger.info("Concurrent data insertion into table: {}".format(i)) random.shuffle(tblSeq)
# print("ct({})".format(i), end="", flush=True) # Concurrent insertion into table for i in tblSeq:
if (i in self.activeTable): # wow already active
# logger.info("Concurrent data insertion into table: {}".format(i))
# print("ct({})".format(i), end="", flush=True) # Concurrent
# insertion into table
print("x", end="", flush=True) print("x", end="", flush=True)
else: else:
self.activeTable.add(i) # marking it active self.activeTable.add(i) # marking it active
# No need to shuffle data sequence, unless later we decide to do non-increment insertion # No need to shuffle data sequence, unless later we decide to do
regTableName = self.getRegTableName(i); # "db.reg_table_{}".format(i) # non-increment insertion
for j in range(self.LARGE_NUMBER_OF_RECORDS if gConfig.larger_data else self.SMALL_NUMBER_OF_RECORDS) : # number of records per table regTableName = self.getRegTableName(
nextInt = ds.getNextInt() i) # "db.reg_table_{}".format(i)
for j in range(
self.LARGE_NUMBER_OF_RECORDS if gConfig.larger_data else self.SMALL_NUMBER_OF_RECORDS): # number of records per table
nextInt = ds.getNextInt()
if gConfig.record_ops: if gConfig.record_ops:
self.prepToRecordOps() self.prepToRecordOps()
self.fAddLogReady.write("Ready to write {} to {}\n".format(nextInt, regTableName)) self.fAddLogReady.write(
"Ready to write {} to {}\n".format(
nextInt, regTableName))
self.fAddLogReady.flush() self.fAddLogReady.flush()
os.fsync(self.fAddLogReady) os.fsync(self.fAddLogReady)
sql = "insert into {} using {} tags ('{}', {}) values ('{}', {});".format( sql = "insert into {} using {} tags ('{}', {}) values ('{}', {});".format(
regTableName, regTableName,
ds.getFixedSuperTableName(), ds.getFixedSuperTableName(),
ds.getNextBinary(), ds.getNextFloat(), ds.getNextBinary(), ds.getNextFloat(),
ds.getNextTick(), nextInt) ds.getNextTick(), nextInt)
self.execWtSql(wt, sql) self.execWtSql(wt, sql)
# Successfully wrote the data into the DB, let's record it somehow # Successfully wrote the data into the DB, let's record it
# somehow
te.recordDataMark(nextInt) te.recordDataMark(nextInt)
if gConfig.record_ops: if gConfig.record_ops:
self.fAddLogDone.write("Wrote {} to {}\n".format(nextInt, regTableName)) self.fAddLogDone.write(
"Wrote {} to {}\n".format(
nextInt, regTableName))
self.fAddLogDone.flush() self.fAddLogDone.flush()
os.fsync(self.fAddLogDone) os.fsync(self.fAddLogDone)
self.activeTable.discard(i) # not raising an error, unlike remove self.activeTable.discard(i) # not raising an error, unlike remove
# Deterministic random number generator # Deterministic random number generator
class Dice(): class Dice():
seeded = False # static, uninitialized seeded = False # static, uninitialized
@classmethod @classmethod
def seed(cls, s): # static def seed(cls, s): # static
if (cls.seeded): if (cls.seeded):
raise RuntimeError("Cannot seed the random generator more than once") raise RuntimeError(
"Cannot seed the random generator more than once")
cls.verifyRNG() cls.verifyRNG()
random.seed(s) random.seed(s)
cls.seeded = True # TODO: protect against multi-threading cls.seeded = True # TODO: protect against multi-threading
@classmethod @classmethod
def verifyRNG(cls): # Verify that the RNG is determinstic def verifyRNG(cls): # Verify that the RNG is determinstic
random.seed(0) random.seed(0)
x1 = random.randrange(0, 1000) x1 = random.randrange(0, 1000)
x2 = random.randrange(0, 1000) x2 = random.randrange(0, 1000)
x3 = random.randrange(0, 1000) x3 = random.randrange(0, 1000)
if ( x1 != 864 or x2!=394 or x3!=776 ): if (x1 != 864 or x2 != 394 or x3 != 776):
raise RuntimeError("System RNG is not deterministic") raise RuntimeError("System RNG is not deterministic")
@classmethod @classmethod
def throw(cls, stop): # get 0 to stop-1 def throw(cls, stop): # get 0 to stop-1
return cls.throwRange(0, stop) return cls.throwRange(0, stop)
@classmethod @classmethod
def throwRange(cls, start, stop): # up to stop-1 def throwRange(cls, start, stop): # up to stop-1
if ( not cls.seeded ): if (not cls.seeded):
raise RuntimeError("Cannot throw dice before seeding it") raise RuntimeError("Cannot throw dice before seeding it")
return random.randrange(start, stop) return random.randrange(start, stop)
...@@ -1599,7 +1816,7 @@ class Dice(): ...@@ -1599,7 +1816,7 @@ class Dice():
# ] # ]
# def throwDice(self): # def throwDice(self):
# max = len(self.tasks) - 1 # max = len(self.tasks) - 1
# dRes = random.randint(0, max) # dRes = random.randint(0, max)
# # logger.debug("Threw the dice in range [{},{}], and got: {}".format(0,max,dRes)) # # logger.debug("Threw the dice in range [{},{}], and got: {}".format(0,max,dRes))
# return dRes # return dRes
...@@ -1614,8 +1831,8 @@ class Dice(): ...@@ -1614,8 +1831,8 @@ class Dice():
class LoggingFilter(logging.Filter): class LoggingFilter(logging.Filter):
def filter(self, record: logging.LogRecord): def filter(self, record: logging.LogRecord):
if ( record.levelno >= logging.INFO ) : if (record.levelno >= logging.INFO):
return True # info or above always log return True # info or above always log
# Commenting out below to adjust... # Commenting out below to adjust...
...@@ -1623,13 +1840,15 @@ class LoggingFilter(logging.Filter): ...@@ -1623,13 +1840,15 @@ class LoggingFilter(logging.Filter):
# return False # return False
return True return True
class MyLoggingAdapter(logging.LoggerAdapter):
class MyLoggingAdapter(logging.LoggerAdapter):
def process(self, msg, kwargs): def process(self, msg, kwargs):
return "[{}]{}".format(threading.get_ident() % 10000, msg), kwargs return "[{}]{}".format(threading.get_ident() % 10000, msg), kwargs
# return '[%s] %s' % (self.extra['connid'], msg), kwargs # return '[%s] %s' % (self.extra['connid'], msg), kwargs
class SvcManager:
class SvcManager:
def __init__(self): def __init__(self):
print("Starting service manager") print("Starting service manager")
signal.signal(signal.SIGTERM, self.sigIntHandler) signal.signal(signal.SIGTERM, self.sigIntHandler)
...@@ -1641,17 +1860,18 @@ class SvcManager: ...@@ -1641,17 +1860,18 @@ class SvcManager:
def svcOutputReader(self, out: IO, queue): def svcOutputReader(self, out: IO, queue):
# print("This is the svcOutput Reader...") # print("This is the svcOutput Reader...")
for line in out : # iter(out.readline, b''): for line in out: # iter(out.readline, b''):
# print("Finished reading a line: {}".format(line)) # print("Finished reading a line: {}".format(line))
queue.put(line.rstrip()) # get rid of new lines queue.put(line.rstrip()) # get rid of new lines
print("No more output from incoming IO") # meaning sub process must have died # meaning sub process must have died
print("No more output from incoming IO")
out.close() out.close()
def sigIntHandler(self, signalNumber, frame): def sigIntHandler(self, signalNumber, frame):
if self.status != MainExec.STATUS_RUNNING : if self.status != MainExec.STATUS_RUNNING:
print("Ignoring repeated SIGINT...") print("Ignoring repeated SIGINT...")
return # do nothing if it's already not running return # do nothing if it's already not running
self.status = MainExec.STATUS_STOPPING # immediately set our status self.status = MainExec.STATUS_STOPPING # immediately set our status
print("Terminating program...") print("Terminating program...")
self.subProcess.send_signal(signal.SIGINT) self.subProcess.send_signal(signal.SIGINT)
...@@ -1659,33 +1879,40 @@ class SvcManager: ...@@ -1659,33 +1879,40 @@ class SvcManager:
self.joinIoThread() self.joinIoThread()
def joinIoThread(self): def joinIoThread(self):
if self.ioThread : if self.ioThread:
self.ioThread.join() self.ioThread.join()
self.ioThread = None self.ioThread = None
def run(self): def run(self):
ON_POSIX = 'posix' in sys.builtin_module_names ON_POSIX = 'posix' in sys.builtin_module_names
svcCmd = ['../../build/build/bin/taosd', '-c', '../../build/test/cfg'] svcCmd = ['../../build/build/bin/taosd', '-c', '../../build/test/cfg']
# svcCmd = ['vmstat', '1'] # svcCmd = ['vmstat', '1']
self.subProcess = subprocess.Popen(svcCmd, stdout=subprocess.PIPE, bufsize=1, close_fds=ON_POSIX, text=True) self.subProcess = subprocess.Popen(
svcCmd,
stdout=subprocess.PIPE,
bufsize=1,
close_fds=ON_POSIX,
text=True)
q = Queue() q = Queue()
self.ioThread = threading.Thread(target=self.svcOutputReader, args=(self.subProcess.stdout, q)) self.ioThread = threading.Thread(
self.ioThread.daemon = True # thread dies with the program target=self.svcOutputReader, args=(
self.subProcess.stdout, q))
self.ioThread.daemon = True # thread dies with the program
self.ioThread.start() self.ioThread.start()
# proc = subprocess.Popen(['echo', '"to stdout"'], # proc = subprocess.Popen(['echo', '"to stdout"'],
# stdout=subprocess.PIPE, # stdout=subprocess.PIPE,
# ) # )
# stdout_value = proc.communicate()[0] # stdout_value = proc.communicate()[0]
# print('\tstdout: {}'.format(repr(stdout_value))) # print('\tstdout: {}'.format(repr(stdout_value)))
while True : while True:
try: try:
line = q.get_nowait() # getting output at fast speed line = q.get_nowait() # getting output at fast speed
except Empty: except Empty:
# print('no output yet') # print('no output yet')
time.sleep(2.3) # wait only if there's no output time.sleep(2.3) # wait only if there's no output
else: # got line else: # got line
print(line) print(line)
# print("----end of iteration----") # print("----end of iteration----")
if self.shouldStop: if self.shouldStop:
...@@ -1693,10 +1920,11 @@ class SvcManager: ...@@ -1693,10 +1920,11 @@ class SvcManager:
break break
print("end of loop") print("end of loop")
self.joinIoThread() self.joinIoThread()
print("Finished") print("Finished")
class ClientManager: class ClientManager:
def __init__(self): def __init__(self):
print("Starting service manager") print("Starting service manager")
...@@ -1707,41 +1935,42 @@ class ClientManager: ...@@ -1707,41 +1935,42 @@ class ClientManager:
self.tc = None self.tc = None
def sigIntHandler(self, signalNumber, frame): def sigIntHandler(self, signalNumber, frame):
if self.status != MainExec.STATUS_RUNNING : if self.status != MainExec.STATUS_RUNNING:
print("Ignoring repeated SIGINT...") print("Ignoring repeated SIGINT...")
return # do nothing if it's already not running return # do nothing if it's already not running
self.status = MainExec.STATUS_STOPPING # immediately set our status self.status = MainExec.STATUS_STOPPING # immediately set our status
print("Terminating program...") print("Terminating program...")
self.tc.requestToStop() self.tc.requestToStop()
def _printLastNumbers(self): # to verify data durability def _printLastNumbers(self): # to verify data durability
dbManager = DbManager(resetDb=False) dbManager = DbManager(resetDb=False)
dbc = dbManager.getDbConn() dbc = dbManager.getDbConn()
if dbc.query("show databases") == 0 : # no databae if dbc.query("show databases") == 0: # no databae
return return
if dbc.query("show tables") == 0 : # no tables if dbc.query("show tables") == 0: # no tables
return return
dbc.execute("use db") dbc.execute("use db")
sTbName = dbManager.getFixedSuperTableName() sTbName = dbManager.getFixedSuperTableName()
# get all regular tables # get all regular tables
dbc.query("select TBNAME from db.{}".format(sTbName)) # TODO: analyze result set later # TODO: analyze result set later
dbc.query("select TBNAME from db.{}".format(sTbName))
rTables = dbc.getQueryResult() rTables = dbc.getQueryResult()
bList = TaskExecutor.BoundedList() bList = TaskExecutor.BoundedList()
for rTbName in rTables : # regular tables for rTbName in rTables: # regular tables
dbc.query("select speed from db.{}".format(rTbName[0])) dbc.query("select speed from db.{}".format(rTbName[0]))
numbers = dbc.getQueryResult() numbers = dbc.getQueryResult()
for row in numbers : for row in numbers:
# print("<{}>".format(n), end="", flush=True) # print("<{}>".format(n), end="", flush=True)
bList.add(row[0]) bList.add(row[0])
print("Top numbers in DB right now: {}".format(bList)) print("Top numbers in DB right now: {}".format(bList))
print("TDengine client execution is about to start in 2 seconds...") print("TDengine client execution is about to start in 2 seconds...")
time.sleep(2.0) time.sleep(2.0)
dbManager = None # release? dbManager = None # release?
def prepare(self): def prepare(self):
self._printLastNumbers() self._printLastNumbers()
...@@ -1749,21 +1978,22 @@ class ClientManager: ...@@ -1749,21 +1978,22 @@ class ClientManager:
def run(self): def run(self):
self._printLastNumbers() self._printLastNumbers()
dbManager = DbManager() # Regular function dbManager = DbManager() # Regular function
Dice.seed(0) # initial seeding of dice Dice.seed(0) # initial seeding of dice
thPool = ThreadPool(gConfig.num_threads, gConfig.max_steps) thPool = ThreadPool(gConfig.num_threads, gConfig.max_steps)
self.tc = ThreadCoordinator(thPool, dbManager) self.tc = ThreadCoordinator(thPool, dbManager)
self.tc.run() self.tc.run()
# print("exec stats: {}".format(self.tc.getExecStats())) # print("exec stats: {}".format(self.tc.getExecStats()))
# print("TC failed = {}".format(self.tc.isFailed())) # print("TC failed = {}".format(self.tc.isFailed()))
self.conclude() self.conclude()
# print("TC failed (2) = {}".format(self.tc.isFailed())) # print("TC failed (2) = {}".format(self.tc.isFailed()))
return 1 if self.tc.isFailed() else 0 # Linux return code: ref https://shapeshed.com/unix-exit-codes/ # Linux return code: ref https://shapeshed.com/unix-exit-codes/
return 1 if self.tc.isFailed() else 0
def conclude(self): def conclude(self):
self.tc.printStats() self.tc.printStats()
self.tc.getDbManager().cleanUp() self.tc.getDbManager().cleanUp()
class MainExec: class MainExec:
...@@ -1782,13 +2012,13 @@ class MainExec: ...@@ -1782,13 +2012,13 @@ class MainExec:
svcManager.run() svcManager.run()
@classmethod @classmethod
def runTemp(cls): # for debugging purposes def runTemp(cls): # for debugging purposes
# # Hack to exercise reading from disk, imcreasing coverage. TODO: fix # # Hack to exercise reading from disk, imcreasing coverage. TODO: fix
# dbc = dbState.getDbConn() # dbc = dbState.getDbConn()
# sTbName = dbState.getFixedSuperTableName() # sTbName = dbState.getFixedSuperTableName()
# dbc.execute("create database if not exists db") # dbc.execute("create database if not exists db")
# if not dbState.getState().equals(StateEmpty()): # if not dbState.getState().equals(StateEmpty()):
# dbc.execute("use db") # dbc.execute("use db")
# rTables = None # rTables = None
# try: # the super table may not exist # try: # the super table may not exist
...@@ -1800,7 +2030,7 @@ class MainExec: ...@@ -1800,7 +2030,7 @@ class MainExec:
# logger.info("Result: {}".format(rTables)) # logger.info("Result: {}".format(rTables))
# except taos.error.ProgrammingError as err: # except taos.error.ProgrammingError as err:
# logger.info("Initial Super table OPS error: {}".format(err)) # logger.info("Initial Super table OPS error: {}".format(err))
# # sys.exit() # # sys.exit()
# if ( not rTables == None): # if ( not rTables == None):
# # print("rTables[0] = {}, type = {}".format(rTables[0], type(rTables[0]))) # # print("rTables[0] = {}, type = {}".format(rTables[0], type(rTables[0])))
...@@ -1809,24 +2039,26 @@ class MainExec: ...@@ -1809,24 +2039,26 @@ class MainExec:
# ds = dbState # ds = dbState
# logger.info("Inserting into table: {}".format(rTbName[0])) # logger.info("Inserting into table: {}".format(rTbName[0]))
# sql = "insert into db.{} values ('{}', {});".format( # sql = "insert into db.{} values ('{}', {});".format(
# rTbName[0], # rTbName[0],
# ds.getNextTick(), ds.getNextInt()) # ds.getNextTick(), ds.getNextInt())
# dbc.execute(sql) # dbc.execute(sql)
# for rTbName in rTables : # regular tables # for rTbName in rTables : # regular tables
# dbc.query("select * from db.{}".format(rTbName[0])) # TODO: check success failure # dbc.query("select * from db.{}".format(rTbName[0])) # TODO: check success failure
# logger.info("Initial READING operation is successful") # logger.info("Initial READING operation is successful")
# except taos.error.ProgrammingError as err: # except taos.error.ProgrammingError as err:
# logger.info("Initial WRITE/READ error: {}".format(err)) # logger.info("Initial WRITE/READ error: {}".format(err))
# Sandbox testing code # Sandbox testing code
# dbc = dbState.getDbConn() # dbc = dbState.getDbConn()
# while True: # while True:
# rows = dbc.query("show databases") # rows = dbc.query("show databases")
# print("Rows: {}, time={}".format(rows, time.time())) # print("Rows: {}, time={}".format(rows, time.time()))
return return
def main(): def main():
# Super cool Python argument library: https://docs.python.org/3/library/argparse.html # Super cool Python argument library:
# https://docs.python.org/3/library/argparse.html
parser = argparse.ArgumentParser( parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter, formatter_class=argparse.RawDescriptionHelpFormatter,
description=textwrap.dedent('''\ description=textwrap.dedent('''\
...@@ -1837,22 +2069,52 @@ def main(): ...@@ -1837,22 +2069,52 @@ def main():
''')) '''))
parser.add_argument('-c', '--connector-type', action='store', default='native', type=str, parser.add_argument(
help='Connector type to use: native, rest, or mixed (default: 10)') '-c',
parser.add_argument('-d', '--debug', action='store_true', '--connector-type',
help='Turn on DEBUG mode for more logging (default: false)') action='store',
parser.add_argument('-e', '--run-tdengine', action='store_true', default='native',
help='Run TDengine service in foreground (default: false)') type=str,
parser.add_argument('-l', '--larger-data', action='store_true', help='Connector type to use: native, rest, or mixed (default: 10)')
help='Write larger amount of data during write operations (default: false)') parser.add_argument(
parser.add_argument('-p', '--per-thread-db-connection', action='store_true', '-d',
help='Use a single shared db connection (default: false)') '--debug',
parser.add_argument('-r', '--record-ops', action='store_true', action='store_true',
help='Use a pair of always-fsynced fils to record operations performing + performed, for power-off tests (default: false)') help='Turn on DEBUG mode for more logging (default: false)')
parser.add_argument('-s', '--max-steps', action='store', default=1000, type=int, parser.add_argument(
help='Maximum number of steps to run (default: 100)') '-e',
parser.add_argument('-t', '--num-threads', action='store', default=5, type=int, '--run-tdengine',
help='Number of threads to run (default: 10)') action='store_true',
help='Run TDengine service in foreground (default: false)')
parser.add_argument(
'-l',
'--larger-data',
action='store_true',
help='Write larger amount of data during write operations (default: false)')
parser.add_argument(
'-p',
'--per-thread-db-connection',
action='store_true',
help='Use a single shared db connection (default: false)')
parser.add_argument(
'-r',
'--record-ops',
action='store_true',
help='Use a pair of always-fsynced fils to record operations performing + performed, for power-off tests (default: false)')
parser.add_argument(
'-s',
'--max-steps',
action='store',
default=1000,
type=int,
help='Maximum number of steps to run (default: 100)')
parser.add_argument(
'-t',
'--num-threads',
action='store',
default=5,
type=int,
help='Number of threads to run (default: 10)')
global gConfig global gConfig
gConfig = parser.parse_args() gConfig = parser.parse_args()
...@@ -1860,31 +2122,40 @@ def main(): ...@@ -1860,31 +2122,40 @@ def main():
# if len(sys.argv) == 1: # if len(sys.argv) == 1:
# parser.print_help() # parser.print_help()
# sys.exit() # sys.exit()
# Logging Stuff # Logging Stuff
global logger global logger
_logger = logging.getLogger('CrashGen') # real logger _logger = logging.getLogger('CrashGen') # real logger
_logger.addFilter(LoggingFilter()) _logger.addFilter(LoggingFilter())
ch = logging.StreamHandler() ch = logging.StreamHandler()
_logger.addHandler(ch) _logger.addHandler(ch)
logger = MyLoggingAdapter(_logger, []) # Logging adapter, to be used as a logger # Logging adapter, to be used as a logger
logger = MyLoggingAdapter(_logger, [])
if ( gConfig.debug ): if (gConfig.debug):
logger.setLevel(logging.DEBUG) # default seems to be INFO logger.setLevel(logging.DEBUG) # default seems to be INFO
else: else:
logger.setLevel(logging.INFO) logger.setLevel(logging.INFO)
# Run server or client # Run server or client
if gConfig.run_tdengine : # run server if gConfig.run_tdengine: # run server
MainExec.runService() MainExec.runService()
else : else:
return MainExec.runClient() return MainExec.runClient()
# logger.info("Crash_Gen execution finished") # logger.info("Crash_Gen execution finished")
if __name__ == "__main__": if __name__ == "__main__":
tdDnodes.init("")
tdDnodes.setTestCluster(False)
tdDnodes.setValgrind(False)
tdDnodes.stopAll()
tdDnodes.deploy(1)
tdDnodes.start(1)
tdLog.sleep(5)
exitCode = main() exitCode = main()
# print("Exiting with code: {}".format(exitCode)) # print("Exiting with code: {}".format(exitCode))
sys.exit(exitCode) sys.exit(exitCode)
tests/pytest/crash_gen.sh
浏览文件 @ f9c9684b
...@@ -31,11 +31,23 @@ then ...@@ -31,11 +31,23 @@ then
exit -1 exit -1
fi fi
CURR_DIR=`pwd`
IN_TDINTERNAL="community"
if [[ "$CURR_DIR" == *"$IN_TDINTERNAL"* ]]; then
TAOS_DIR=$CURR_DIR/../../..
else
TAOS_DIR=$CURR_DIR/../..
fi
TAOSD_DIR=`find $TAOS_DIR -name "taosd"|grep bin|head -n1`
LIB_DIR=`echo $TAOSD_DIR|rev|cut -d '/' -f 3,4,5,6|rev`/lib
echo $LIB_DIR
# First we need to set up a path for Python to find our own TAOS modules, so that "import" can work. # First we need to set up a path for Python to find our own TAOS modules, so that "import" can work.
export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3 export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3
# Then let us set up the library path so that our compiled SO file can be loaded by Python # Then let us set up the library path so that our compiled SO file can be loaded by Python
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/../../build/build/lib export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIB_DIR
# Now we are all let, and let's see if we can find a crash. Note we pass all params # Now we are all let, and let's see if we can find a crash. Note we pass all params
python3 ./crash_gen.py $@ python3 ./crash_gen.py $@
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