提交 049013ee 编写于 作者: Y yangrui07

cube agent init comit

上级 eda485a2
...@@ -16,3 +16,4 @@ add_subdirectory(cube-server) ...@@ -16,3 +16,4 @@ add_subdirectory(cube-server)
add_subdirectory(cube-api) add_subdirectory(cube-api)
add_subdirectory(cube-builder) add_subdirectory(cube-builder)
add_subdirectory(cube-transfer) add_subdirectory(cube-transfer)
add_subdirectory(cube-agent)
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
project(cube-agent Go)
include(cmake/golang.cmake)
ExternalGoProject_Add(agent-docopt-go github.com/docopt/docopt-go)
ExternalGoProject_Add(agent-logex github.com/Badangel/logex)
ExternalGoProject_Add(agent-pipeline github.com/Badangel/pipeline)
add_subdirectory(src)
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
if(NOT CMAKE_Go_COMPILER)
if(NOT $ENV{GO_COMPILER} STREQUAL "")
get_filename_component(CMAKE_Go_COMPILER_INIT $ENV{GO_COMPILER} PROGRAM PROGRAM_ARGS CMAKE_Go_FLAGS_ENV_INIT)
if(CMAKE_Go_FLAGS_ENV_INIT)
set(CMAKE_Go_COMPILER_ARG1 "${CMAKE_Go_FLAGS_ENV_INIT}" CACHE STRING "First argument to Go compiler")
endif()
if(NOT EXISTS ${CMAKE_Go_COMPILER_INIT})
message(SEND_ERROR "Could not find compiler set in environment variable GO_COMPILER:\n$ENV{GO_COMPILER}.")
endif()
endif()
set(Go_BIN_PATH
$ENV{GOPATH}
$ENV{GOROOT}
$ENV{GOROOT}/../bin
$ENV{GO_COMPILER}
/usr/bin
/usr/local/bin
)
if(CMAKE_Go_COMPILER_INIT)
set(CMAKE_Go_COMPILER ${CMAKE_Go_COMPILER_INIT} CACHE PATH "Go Compiler")
else()
find_program(CMAKE_Go_COMPILER
NAMES go
PATHS ${Go_BIN_PATH}
)
EXEC_PROGRAM(${CMAKE_Go_COMPILER} ARGS version OUTPUT_VARIABLE GOLANG_VERSION)
STRING(REGEX MATCH "go[0-9]+.[0-9]+.[0-9]+[ /A-Za-z0-9]*" VERSION "${GOLANG_VERSION}")
message("-- The Golang compiler identification is ${VERSION}")
message("-- Check for working Golang compiler: ${CMAKE_Go_COMPILER}")
endif()
endif()
mark_as_advanced(CMAKE_Go_COMPILER)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/CMakeGoCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeGoCompiler.cmake @ONLY)
set(CMAKE_Go_COMPILER_ENV_VAR "GO_COMPILER")
\ No newline at end of file
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
set(CMAKE_Go_COMPILER "@CMAKE_Go_COMPILER@")
set(CMAKE_Go_COMPILER_LOADED 1)
set(CMAKE_Go_SOURCE_FILE_EXTENSIONS go)
set(CMAKE_Go_LINKER_PREFERENCE 40)
set(CMAKE_Go_OUTPUT_EXTENSION .o)
set(CMAKE_Go_OUTPUT_EXTENSION_REPLACE 1)
set(CMAKE_Go_COMPILER_ENV_VAR "GO_COMPILER")
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
if(NOT CMAKE_Go_COMPILE_OBJECT)
set(CMAKE_Go_COMPILE_OBJECT "go tool compile -l -N -o <OBJECT> <SOURCE> ")
endif()
if(NOT CMAKE_Go_LINK_EXECUTABLE)
set(CMAKE_Go_LINK_EXECUTABLE "go tool link -o <TARGET> <OBJECTS> ")
endif()
\ No newline at end of file
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
set(CMAKE_Go_COMPILER_WORKS 1 CACHE INTERNAL "")
\ No newline at end of file
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
set(GOPATH "${CMAKE_CURRENT_LIST_DIR}/../")
file(MAKE_DIRECTORY ${GOPATH})
function(ExternalGoProject_Add TARG)
add_custom_target(${TARG} env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} get ${ARGN})
endfunction(ExternalGoProject_Add)
function(add_go_executable NAME)
file(GLOB GO_SOURCE RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.go")
add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} build
-o "${CMAKE_CURRENT_BINARY_DIR}/${NAME}"
${CMAKE_GO_FLAGS} ${GO_SOURCE}
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
add_custom_target(${NAME} ALL DEPENDS ${OUTPUT_DIR}/.timestamp ${ARGN})
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${NAME} DESTINATION ${PADDLE_SERVING_INSTALL_DIR}/bin)
endfunction(add_go_executable)
function(ADD_GO_LIBRARY NAME BUILD_TYPE)
if(BUILD_TYPE STREQUAL "STATIC")
set(BUILD_MODE -buildmode=c-archive)
set(LIB_NAME "lib${NAME}.a")
else()
set(BUILD_MODE -buildmode=c-shared)
if(APPLE)
set(LIB_NAME "lib${NAME}.dylib")
else()
set(LIB_NAME "lib${NAME}.so")
endif()
endif()
file(GLOB GO_SOURCE RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.go")
add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} build ${BUILD_MODE}
-o "${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}"
${CMAKE_GO_FLAGS} ${GO_SOURCE}
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
add_custom_target(${NAME} ALL DEPENDS ${OUTPUT_DIR}/.timestamp ${ARGN})
if(NOT BUILD_TYPE STREQUAL "STATIC")
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME} DESTINATION ${PADDLE_SERVING_INSTALL_DIR}/bin)
endif()
endfunction(ADD_GO_LIBRARY)
\ No newline at end of file
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
set(SOURCE_FILE cube-agent.go)
add_go_executable(cube-agent ${SOURCE_FILE})
add_dependencies(cube-agent agent-docopt-go)
add_dependencies(cube-agent agent-logex)
add_dependencies(cube-agent agent-pipeline)
package agent
import (
"errors"
_ "github.com/Badangel/logex"
"github.com/Badangel/pipeline"
"os/exec"
"strconv"
"strings"
"sync"
)
var (
Dir string
WorkerNum int
QueueCapacity int32
MasterHost []string
MasterPort []string
TestHostname string
TestIdc string
ShardLock sync.RWMutex
CmdWorkPool *WorkPool
CmdWorkFilter sync.Map
)
type (
Status struct {
Status string `json:"status"`
Version string `json:"version"`
}
MasterResp struct {
Success string `json:"success"`
Message string `json:"message"`
Data string `json:"data"`
}
ShardInfo struct {
DictName string
ShardSeq int
SlotIdList string
DataDir string
Service string `json:"service,omitempty"`
Libcube string `json:"libcube,omitempty"`
}
CubeResp struct {
Status int `json:"status"`
CurVersion string `json:"cur_version"`
BgVersion string `json:"bg_version"`
}
)
var BUILTIN_STATUS = Status{"RUNNING", "3.0.0.1"}
var ShardInfoMap map[string]map[string]*ShardInfo
var disks []string
func GetMaster(master string) (host, port string, err error) {
if len(ShardInfoMap) < 1 {
return "", "", errors.New("empty master list.")
}
if master == "" {
return MasterHost[0], MasterPort[0], nil
}
if _, ok := ShardInfoMap[master]; ok {
m := strings.Split(master, ":")
if len(m) != 2 {
return MasterHost[0], MasterPort[0], nil
}
return m[0], m[1], nil
} else {
return MasterHost[0], MasterPort[0], nil
}
}
func init() {
dfCmd := "df -h | grep -E '/home|/ssd'"
stdout, _, err := pipeline.Run(exec.Command("/bin/bash", "-c", dfCmd))
if err == nil && stdout.String() != "" {
t := strings.TrimSpace(stdout.String())
diskLi := strings.Split(t, "\n")
for _, diskStr := range diskLi {
disk := strings.Fields(diskStr)
usedPercent, _ := strconv.Atoi(strings.TrimRight(disk[4], "%"))
if usedPercent <= 40 {
disks = append(disks, disk[5])
}
}
}
if len(disks) == 0 {
disks = append(disks, "/home")
}
//logex.Debugf("available disks found: (%+v)", disks)
}
//-*- coding:utf-8; indent-tabs-mode:nil; -*-
package agent
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/Badangel/logex"
)
type handlerFunc func(subpath string, m map[string]string, b []byte) (string, string, error)
var ( // key = subpath; eg: path="/checker/job", key="job"
getHandler map[string]handlerFunc
putHandler map[string]handlerFunc
deleteHandler map[string]handlerFunc
postHandler map[string]handlerFunc
)
func StartHttp(addr string) error {
// init handlers:
initGetHandlers()
initPostHandlers()
http.HandleFunc("/agent/", handleRest)
logex.Notice("start http ", addr)
return http.ListenAndServe(addr, nil)
}
func handleRest(w http.ResponseWriter, r *http.Request) {
var (
req_log string
status int32
)
time_begin := time.Now()
cont_type := make([]string, 1, 1)
cont_type[0] = "application/json"
header := w.Header()
header["Content-Type"] = cont_type
w.Header().Add("Access-Control-Allow-Origin", "*")
m := parseHttpKv(r)
b, _ := ioutil.ReadAll(r.Body)
req_log = fmt.Sprintf("handle %v %v %v from %v, len(m)=%v, m=%+v",
r.Method, r.URL.Path, r.URL.RawQuery, r.RemoteAddr, len(m), m)
api := r.URL.Path
var showHandler map[string]handlerFunc
switch r.Method {
case "GET":
showHandler = getHandler
case "POST": // create
showHandler = postHandler
case "PUT": // update
showHandler = putHandler
case "DELETE":
showHandler = deleteHandler
default:
logex.Warningf(`{"error":1, "message":"unsupport method %v"}`, r.Method)
}
handler, ok := showHandler[api]
if !ok {
key_list := make([]string, 0, len(showHandler))
for key := range showHandler {
key_list = append(key_list, key)
}
status = 2
fmt.Fprintf(w, `{"success":"%v", "message":"wrong api", "method":"%s", "api":"%s", "api_list":"%v"}`,
status, r.Method, api, key_list)
logex.Noticef(`%v, time=%v, status=%v`,
req_log, time.Now().Sub(time_begin).Nanoseconds()/1000000, status)
return
}
var s string
rst, handle_log, err := handler(api, m, b)
if err == nil {
status = 0
s = fmt.Sprintf(`{"success":"%v", "message":"query ok", "data":%s}`, status, rst)
} else {
status = 255
s = fmt.Sprintf(`{"success":"%v", "message":%v, "data":%s}`,
status, quote(err.Error()), rst)
}
if isJsonDict(s) {
fmt.Fprintln(w, s)
}else {
logex.Fatalf("invalid json: %v", s)
}
if err == nil {
logex.Noticef(`%v, time=%v, status=%v, handle_log=%v`,
req_log, time.Now().Sub(time_begin).Nanoseconds()/1000000,
status, quote(handle_log))
} else {
logex.Noticef(`%v, time=%v, status=%v, err=%v, handle_log=%v`,
req_log, time.Now().Sub(time_begin).Nanoseconds()/1000000,
status, quote(err.Error()), quote(handle_log))
}
}
func parseHttpKv(r *http.Request) map[string]string {
r.ParseForm()
m := make(map[string]string)
for k, v := range r.Form {
switch k {
case "user": // remove @baidu.com for user
m[k] = strings.Split(v[0], "@")[0]
default:
m[k] = v[0]
}
}
// allow passing hostname for debug
if _, ok := m["hostname"]; !ok{
ip := r.RemoteAddr[:strings.Index(r.RemoteAddr, ":")]
m["hostname"], _ = getHostname(ip)
}
return m
}
// restReq sends a restful request to requrl and returns response body.
func restReq(method, requrl string, timeout int, kv *map[string]string) (string, error) {
logex.Debug("####restReq####")
logex.Debug(*kv)
data := url.Values{}
if kv != nil {
for k, v := range *kv {
logex.Trace("req set:", k, v)
data.Set(k, v)
}
}
if method == "GET" || method == "DELETE" {
requrl = requrl + "?" + data.Encode()
data = url.Values{}
}
logex.Notice(method, requrl)
req, err := http.NewRequest(method, requrl, bytes.NewBufferString(data.Encode()))
if err != nil {
logex.Warning("NewRequest failed:", err)
return "", err
}
if method == "POST" || method == "PUT" {
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
}
client := &http.Client{}
client.Timeout = time.Duration(timeout) * time.Second
resp, err := client.Do(req)
if err != nil {
logex.Warning("Do failed:", err)
return "", err
}
if resp.StatusCode < 200 || resp.StatusCode > 299 {
logex.Warning("resp status: " + resp.Status)
return "", errors.New("resp status: " + resp.Status)
}
body, err := ioutil.ReadAll(resp.Body)
return string(body), err
}
//-*- coding:utf-8; indent-tabs-mode:nil; -*-
package agent
import (
"fmt"
"encoding/json"
)
func initGetHandlers() {
getHandler = map[string]handlerFunc{
"/agent/status": GetStatus,
}
}
func GetStatus(subpath string, m map[string]string, b []byte) (string, string, error) {
b, err := json.Marshal(BUILTIN_STATUS);
if err != nil {
return quote(""), "", fmt.Errorf("json marshal failed, %v", err)
}
return string(b), "", err
}
\ No newline at end of file
//-*- coding:utf-8; indent-tabs-mode:nil; -*-
package agent
import (
"fmt"
"encoding/json"
"github.com/Badangel/logex"
)
func initPostHandlers() {
postHandler = map[string]handlerFunc{
"/agent/cmd": PostCmd,
}
}
func PostCmd(subpath string, m map[string]string, b []byte) (string, string, error) {
var work Work
err := json.Unmarshal(b, &work)
if err != nil {
logex.Warningf("Unmarshal from %s error (+%v)", string(b), err)
return quote(""), "", fmt.Errorf("Work json unmarshal work failed, %v", err)
}
if _, ok := CmdWorkFilter.Load(work.Token()); ok {
logex.Warningf("Another work with same token is doing. Token(%s)", work.Token())
return quote(""), "", fmt.Errorf("Another work with same key is doing.", err)
}
CmdWorkFilter.Store(work.Token(), true)
err = work.DoWork()
CmdWorkFilter.Delete(work.Token())
if err != nil {
return quote(""), "", fmt.Errorf("Do work failed.", err)
}
return quote(""), "", err
}
\ No newline at end of file
package agent
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/Badangel/logex"
)
// restReq sends a restful request to requrl and returns response body.
func RestReq(method, requrl string, timeout int, kv *map[string]string) (string, error) {
data := url.Values{}
if kv != nil {
for k, v := range *kv {
//logex.Trace("req set:", k, v)
data.Set(k, v)
}
}
if method == "GET" || method == "DELETE" {
requrl = requrl + "?" + data.Encode()
data = url.Values{}
}
//logex.Notice(method, requrl)
req, err := http.NewRequest(method, requrl, bytes.NewBufferString(data.Encode()))
if err != nil {
logex.Warning("NewRequest failed:", err)
return "", err
}
if method == "POST" || method == "PUT" {
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
}
client := &http.Client{}
client.Timeout = time.Duration(timeout) * time.Second
resp, err := client.Do(req)
if err != nil {
logex.Warning("Do failed:", err)
return "", err
}
if resp.StatusCode < 200 || resp.StatusCode > 299 {
logex.Warning("resp status: " + resp.Status)
return "", errors.New("resp status: " + resp.Status)
}
body, err := ioutil.ReadAll(resp.Body)
return string(body), err
}
// restReq sends a restful request to requrl and returns response body as json.
func JsonReq(method, requrl string, timeout int, kv *map[string]string,
out interface{}) error {
s, err := RestReq(method, requrl, timeout, kv)
logex.Debugf("json request method:[%v], requrl:[%s], timeout:[%v], map[%v], out_str:[%s]", method, requrl, timeout, kv, s)
if err != nil {
return err
}
return json.Unmarshal([]byte(s), out)
}
func GetHdfsMeta(src string) (master, ugi, path string, err error) {
//src = "hdfs://root:rootpasst@st1-inf-platform0.st01.baidu.com:54310/user/mis_user/news_dnn_ctr_cube_1/1501836820/news_dnn_ctr_cube_1_part54.tar"
//src = "hdfs://st1-inf-platform0.st01.baidu.com:54310/user/mis_user/news_dnn_ctr_cube_1/1501836820/news_dnn_ctr_cube_1_part54.tar"
ugiBegin := strings.Index(src, "//")
ugiPos := strings.LastIndex(src, "@")
if ugiPos != -1 && ugiBegin != -1 {
ugi = src[ugiBegin+2 : ugiPos]
}
src1 := strings.Replace(strings.Replace(src, "hdfs://", "", 1), ugi, "", 1)
if ugi != "" {
src1 = src1[1:]
}
pos := strings.Index(src1, "/")
if pos != -1 {
master = src1[0:pos]
path = src1[pos:]
} else {
logex.Warningf("failed to get the master or path for (%s)", src)
err = errors.New("invalid master or path found")
}
logex.Debugf("parse the (%s) succ, master is %s, ugi is (%s), path is %s", src, master, ugi, path)
return
}
func getHostIp() (string, error) {
if addrs, err := net.InterfaceAddrs(); err == nil {
for _, addr := range addrs {
ips := addr.String()
logex.Debugf("get host ip: %v", ips)
if strings.HasPrefix(ips, "127") {
continue
} else {
list := strings.Split(ips, "/")
if len(list) != 2 {
continue
}
return list[0], nil
}
}
}
return "unkown ip", errors.New("get host ip failed")
}
func getHostname(ip string) (hostname string, err error) {
if hostnames, err := net.LookupAddr(ip); err != nil {
hostname = ip
//logex.Warningf("cannot find the hostname of ip (%s), error (%v)", ip, err)
} else {
if len(hostnames) > 0 {
hostname = hostnames[0][:strings.LastIndex(hostnames[0], ".baidu.com.")]
} else {
hostname = ip
}
}
return hostname, err
}
func GetLocalHostname() (hostname string, err error) {
if ip, err := getHostIp(); err == nil {
return getHostname(ip)
} else {
return "unkown ip", err
}
}
func GetLocalHostnameCmd() (hostname string, err error) {
cmd := "hostname"
stdout, _, err := RetryCmd(cmd, RETRY_TIMES)
if stdout != "" && err == nil {
hostname := strings.TrimSpace(stdout)
index := strings.LastIndex(hostname, ".baidu.com")
if index > 0 {
return hostname[:strings.LastIndex(hostname, ".baidu.com")], nil
} else {
return hostname, nil
}
} else {
logex.Debugf("using hostname cmd failed. err:%v", err)
return GetLocalHostname()
}
}
// quote quotes string for json output. eg: s="123", quote(s)=`"123"`
func quote(s string) string {
return fmt.Sprintf("%q", s)
}
// quoteb quotes byte array for json output.
func quoteb(b []byte) string {
return quote(string(b))
}
// quotea quotes string array for json output
func quotea(a []string) string {
b, _ := json.Marshal(a)
return string(b)
}
func isJsonDict(s string) bool {
var js map[string]interface{}
return json.Unmarshal([]byte(s), &js) == nil
}
此差异已折叠。
package agent
import (
"errors"
"fmt"
"sync/atomic"
"sync"
)
type (
workType struct {
poolWorker PoolWorker
resultChannel chan error
}
WorkPool struct {
queueChannel chan workType
workChannel chan PoolWorker
queuedWorkNum int32
activeWorkerNum int32
queueCapacity int32
workFilter sync.Map
}
)
type PoolWorker interface {
Token() string
DoWork()
}
func NewWorkPool(workerNum int, queueCapacity int32) *WorkPool {
workPool := WorkPool{
queueChannel: make(chan workType),
workChannel: make(chan PoolWorker, queueCapacity),
queuedWorkNum: 0,
activeWorkerNum: 0,
queueCapacity: queueCapacity,
}
for i := 0; i < workerNum; i++ {
go workPool.startWorkRoutine()
}
go workPool.startQueueRoutine()
return &workPool
}
func (workPool *WorkPool) startWorkRoutine() {
for {
select {
case work := <-workPool.workChannel:
workPool.doWork(work)
break
}
}
}
func (workPool *WorkPool) startQueueRoutine() {
for {
select {
case queueItem := <-workPool.queueChannel:
if atomic.AddInt32(&workPool.queuedWorkNum, 0) == workPool.queueCapacity {
queueItem.resultChannel <- fmt.Errorf("work pool fulled with %v pending works", QueueCapacity)
continue
}
atomic.AddInt32(&workPool.queuedWorkNum, 1)
workPool.workChannel <- queueItem.poolWorker
queueItem.resultChannel <- nil
break
}
}
}
func (workPool *WorkPool) doWork(poolWorker PoolWorker) {
defer atomic.AddInt32(&workPool.activeWorkerNum, -1)
defer workPool.workFilter.Delete(poolWorker.Token())
atomic.AddInt32(&workPool.queuedWorkNum, -1)
atomic.AddInt32(&workPool.activeWorkerNum, 1)
poolWorker.DoWork()
}
func (workPool *WorkPool) PostWorkWithToken(poolWorker PoolWorker) (err error) {
if _, ok := workPool.workFilter.Load(poolWorker.Token()); ok {
return errors.New("another work with same key is doing.")
}
workPool.workFilter.Store(poolWorker.Token(), true)
return workPool.PostWork(poolWorker)
}
func (workPool *WorkPool) PostWork(poolWorker PoolWorker) (err error) {
work := workType{poolWorker, make(chan error)}
defer close(work.resultChannel)
workPool.queueChannel <- work
err = <-work.resultChannel
return err
}
package main
import (
"agent"
"fmt"
"github.com/docopt/docopt-go"
"github.com/Badangel/logex"
"os"
"path/filepath"
"runtime"
"strconv"
)
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
agent.Dir, _ = filepath.Abs(filepath.Dir(os.Args[0]))
usage := fmt.Sprintf(`Usage: ./m_master [options]
Options:
-n WORKERNUM set worker num.
-q QUEUENUM set queue num.
-P LISTEN_PORT agent listen port
Log options:
-l LOG_LEVEL set log level, values: 0,1,2,4,8,16. [default: 16]
--log_dir=DIR set log output dir. [default: ./log]
--log_name=NAME set log name. [default: m_agent]`, agent.Dir)
opts, err := docopt.Parse(usage, nil, true, "Cube Agent Checker 1.0.0", false)
if err != nil {
fmt.Println("ERROR:", err)
os.Exit(1)
}
log_level, _ := strconv.Atoi(opts["-l"].(string))
log_name := opts["--log_name"].(string)
log_dir := opts["--log_dir"].(string)
logex.SetLevel(getLogLevel(log_level))
if err := logex.SetUpFileLogger(log_dir, log_name, nil); err != nil {
fmt.Println("ERROR:", err)
}
logex.Notice("--- NEW SESSION -------------------------")
logex.Notice(">>> log_level:", log_level)
agent.WorkerNum = 10
if opts["-n"] != nil {
n, err := strconv.Atoi(opts["-n"].(string))
if err == nil {
agent.WorkerNum = n
}
}
agent.QueueCapacity = 20
if opts["-q"] != nil {
q, err := strconv.Atoi(opts["-q"].(string))
if err == nil {
agent.QueueCapacity = int32(q)
}
}
agent.CmdWorkPool = agent.NewWorkPool(agent.WorkerNum, agent.QueueCapacity)
if opts["-P"] == nil {
logex.Fatalf("ERROR: -P LISTEN PORT must be set!")
os.Exit(255)
}
agentPort := opts["-P"].(string)
logex.Notice(">>> starting server...")
addr := ":" + agentPort
if agent.StartHttp(addr) != nil {
logex.Noticef("cant start http(addr=%v). quit.", addr)
os.Exit(0)
}
}
func getLogLevel(log_level int) logex.Level {
switch log_level {
case 16:
return logex.DEBUG
case 8:
return logex.TRACE
case 4:
return logex.NOTICE
case 2:
return logex.WARNING
case 1:
return logex.FATAL
case 0:
return logex.NONE
}
return logex.DEBUG
}
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