sdbCompCluster.py

###################################################################
#           Copyright (c) 2016 by TAOS Technologies, Inc.
#                     All rights reserved.
#
#  This file is proprietary and confidential to TAOS Technologies.
#  No part of this file may be reproduced, stored, transmitted,
#  disclosed or used in any form or by any means other than as
#  expressly provided by the written permission from Jianhui Tao
#
###################################################################

# -*- coding: utf-8 -*-

import os
import sys
sys.path.insert(0, os.getcwd())
from util.log import *
from util.sql import *
from util.dnodes import *
import taos
import threading

 
class TwoClients:
    def initConnection(self):
        self.host = "chenhaoran01"
        self.user = "root"
        self.password = "taosdata"
        self.config = "/etc/taos/"     
        self.port =6030 
        self.rowNum = 10
        self.ts = 1537146000000  

    def getBuildPath(self):
        selfPath = os.path.dirname(os.path.realpath(__file__))

        if ("community" in selfPath):
            projPath = selfPath[:selfPath.find("community")]
        else:
            projPath = selfPath[:selfPath.find("tests")]

        for root, dirs, files in os.walk(projPath):
            if ("taosd" in files):
                rootRealPath = os.path.dirname(os.path.realpath(root))
                if ("packaging" not in rootRealPath):
                    buildPath = root[:len(root)-len("/build/bin")]
                    break
        return buildPath

    def run(self):
        buildPath = self.getBuildPath()
        if (buildPath == ""):
            tdLog.exit("taosd not found!")
        else:
            tdLog.info("taosd found in %s" % buildPath)
        binPath = buildPath+ "/build/bin/"

        # query data from cluster'db
        conn1 = taos.connect(host=self.host, user=self.user, password=self.password, config=self.config )
        print(conn1)
        cur1 = conn1.cursor()
        tdSql.init(cur1, True)
        # tdSql.init(cur2, True)
        os.system("%staosdemo -f wal/insertDataDb1.json -y " % binPath)
        tdSql.execute("drop database if exists db1") 
        os.system("%staosdemo -f wal/insertDataDb2.json -y " % binPath)
        tdSql.execute("drop table if exists db2.stb0") 
        os.system("%staosdemo -f wal/insertDataDb2Newstab.json -y " % binPath)
        tdSql.execute("alter table db2.stb0 add column col4 int")
        tdSql.execute("alter table db2.stb0 drop column col2")
        os.system("ps -ef |grep taosd |grep -v 'grep' |awk '{print $2}'|xargs kill -9")
        os.system("nohup taosd  --compact-mnode-wal  & ")
        sleep(5)
        os.system("nohup  /usr/bin/taosd > /dev/null 2>&1 &")
        sleep(10)
        conn2 = taos.connect(host=self.host, user=self.user, password=self.password, config=self.config )
        print(conn2)
        cur2 = conn2.cursor()
        tdSql.init(cur2, True)
        tdSql.execute("use db2")
        tdSql.query("select count (tbname) from stb0")
        tdSql.checkData(0, 0, 1)
        tdSql.query("select count (tbname) from stb1")
        tdSql.checkData(0, 0, 2)
        tdSql.query("select count(*) from stb00_0")
        tdSql.checkData(0, 0, 1)
        tdSql.query("select count(*) from stb0")
        tdSql.checkData(0, 0, 1)
        tdSql.query("select count(*) from stb1")
        tdSql.checkData(0, 0, 20)
       
clients = TwoClients()
clients.initConnection()
# clients.getBuildPath()
clients.run()