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@@ -1,16 +1,20 @@
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package cmd
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package main
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import (
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"cmii-uav-watchdog-common/wdd_log"
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"flag"
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"log"
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"os"
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"os/exec"
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"os/signal"
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"strings"
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"sync"
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"syscall"
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"time"
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)
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// 是否是Debug模式
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var DebugMode = false
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var (
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businessProgramType = flag.String("business-program-type", "", "Type of business program (java or python)")
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businessProgramPath = flag.String("business-program-path", "", "Path to the business program file")
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@@ -19,45 +23,221 @@ var (
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mu sync.Mutex
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)
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// java 启动参数
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var (
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podName = "unknown"
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imageName = "unknown"
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imageVersion = "unknown"
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workpath = "/cmii"
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custJavaOpts = "-Xms200m -Xmx1500m -Djava.awt.headless=true -Dlog4j2.formatMsgNoLookups=true "
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envJvmTimezone = "Asia/Shanghai"
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k8sNamespace = "default"
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applicationName = "app"
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nacosRegistry = "helm-nacos:8848"
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nacosDiscoveryIp = "127.0.0.1"
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nacosDiscoveryPort = "8080"
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nacosUsername = "nacos"
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nacosPassword = "nacos"
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bizConfigGroup = "wdd-biz"
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sysConfigGroup = "wdd-sys"
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)
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// 初始化
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func init() {
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// 获取环境变量 特殊设置才能开启DEBUG
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debugMode := os.Getenv("CMII_DEBUG_MODE")
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if debugMode == "WDD_DEBUG" {
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DebugMode = true
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}
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wdd_log.Info("DebugMode 是否开启: %v", DebugMode)
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}
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// 初始化配置并打印配置信息
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func initConfig() {
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// 获取环境变量
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imageName = getEnvOrDefault("IMAGE_NAME", imageName)
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if imageName != "unknown" {
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parts := strings.Split(imageName, ":")
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if len(parts) > 1 {
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imageVersion = parts[len(parts)-1]
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}
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}
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workpath = getEnvOrDefault("WORKPATH", workpath)
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custJavaOpts = getEnvOrDefault("CUST_JAVA_OPTS", custJavaOpts)
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envJvmTimezone = getEnvOrDefault("ENV_JVM_TIMEZONE", envJvmTimezone)
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k8sNamespace = getEnvOrDefault("K8S_NAMESPACE", k8sNamespace)
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applicationName = getEnvOrDefault("APPLICATION_NAME", applicationName)
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nacosRegistry = getEnvOrDefault("NACOS_REGISTRY", nacosRegistry)
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nacosDiscoveryIp = getEnvOrDefault("NACOS_DISCOVERY_IP", nacosDiscoveryIp)
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nacosDiscoveryPort = getEnvOrDefault("NACOS_DISCOVERY_PORT", nacosDiscoveryPort)
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nacosUsername = getEnvOrDefault("NACOS_USERNAME", nacosUsername)
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nacosPassword = getEnvOrDefault("NACOS_PASSWORD", nacosPassword)
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// 设置默认配置组
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defaultConfigGroup := "default"
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if imageVersion != "unknown" {
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parts := strings.Split(imageVersion, "-")
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if len(parts) > 0 {
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defaultConfigGroup = parts[0]
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}
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}
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bizConfigGroup = getEnvOrDefault("BIZ_CONFIG_GROUP", bizConfigGroup)
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if bizConfigGroup == "" {
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wdd_log.Info("[CONTAINER] As BIZ_CONFIG_GROUP is null, it set default value [%s]", defaultConfigGroup)
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bizConfigGroup = defaultConfigGroup
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os.Setenv("BIZ_CONFIG_GROUP", bizConfigGroup)
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}
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sysConfigGroup = getEnvOrDefault("SYS_CONFIG_GROUP", sysConfigGroup)
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if sysConfigGroup == "" {
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wdd_log.Info("[CONTAINER] As SYS_CONFIG_GROUP is null, it set default value [%s]", defaultConfigGroup)
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sysConfigGroup = defaultConfigGroup
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os.Setenv("SYS_CONFIG_GROUP", sysConfigGroup)
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}
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// 打印配置信息
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wdd_log.Info("[CONTAINER] %s image is running ...", imageName)
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wdd_log.Info("[CONTAINER] IMAGE_VERSION is %s", imageVersion)
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wdd_log.Info("[CONTAINER] WORKPATH is %s", workpath)
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wdd_log.Info("[CONTAINER] CUST_JAVA_OPTS is %s", custJavaOpts)
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wdd_log.Info("[CONTAINER] JVM_TIMEZONE is %s", envJvmTimezone)
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wdd_log.Info("[CONTAINER] K8S_NAMESPACE is %s", k8sNamespace)
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wdd_log.Info("[CONTAINER] APPLICATION_NAME is %s", applicationName)
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wdd_log.Info("[CONTAINER] NACOS_REGISTRY is %s", nacosRegistry)
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wdd_log.Info("[CONTAINER] NACOS_DISCOVERY_IP is %s", nacosDiscoveryIp)
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wdd_log.Info("[CONTAINER] NACOS_DISCOVERY_PORT is %s", nacosDiscoveryPort)
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wdd_log.Info("[CONTAINER] NACOS_USERNAME is %s", nacosUsername)
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wdd_log.Info("[CONTAINER] NACOS_PASSWORD is %s", nacosPassword)
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wdd_log.Info("[CONTAINER] BIZ_CONFIG_GROUP is %s", bizConfigGroup)
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wdd_log.Info("[CONTAINER] SYS_CONFIG_GROUP is %s", sysConfigGroup)
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wdd_log.Info("[CONTAINER] starting...")
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}
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// 获取环境变量,如果为空则返回默认值
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func getEnvOrDefault(key, defaultValue string) string {
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value := os.Getenv(key)
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if value == "" {
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return defaultValue
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}
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return value
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}
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func startBusinessProcess(programType, programPath string) *exec.Cmd {
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var cmd *exec.Cmd
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switch programType {
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case "java":
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cmd = exec.Command("java", "-jar", programPath)
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// 初始化配置
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initConfig()
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// 构建命令参数列表
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args := []string{}
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// 添加Java选项
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if custJavaOpts != "" {
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// 分割CUST_JAVA_OPTS中的多个参数
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for _, opt := range splitArgs(custJavaOpts) {
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if opt != "" {
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args = append(args, opt)
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}
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}
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}
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// 添加主JAR文件
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args = append(args, "-jar", programPath)
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// 添加其他参数
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args = append(args, []string{
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"--user.timezone=" + envJvmTimezone,
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"-Dfile.encoding=UTF-8",
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"--spring.main.allow-bean-definition-overriding=true",
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"--spring.application.name=" + applicationName,
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"--spring.cloud.nacos.username=" + nacosUsername,
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"--spring.cloud.nacos.password=" + nacosPassword,
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"--spring.cloud.nacos.config.server-addr=" + nacosRegistry,
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"--spring.cloud.nacos.config.extension-configs[0].data-id=" + applicationName + ".yml",
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"--spring.cloud.nacos.config.extension-configs[0].group=" + bizConfigGroup,
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"--spring.cloud.nacos.config.extension-configs[0].refresh=true",
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"--spring.cloud.nacos.config.shared-configs[0].data-id=cmii-backend-system.yml",
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"--spring.cloud.nacos.config.shared-configs[0].group=" + sysConfigGroup,
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"--spring.cloud.nacos.config.shared-configs[0].refresh=true",
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"--spring.cloud.nacos.discovery.server-addr=" + nacosRegistry,
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"--spring.cloud.nacos.discovery.ip=" + nacosDiscoveryIp,
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"--spring.cloud.nacos.discovery.port=" + nacosDiscoveryPort,
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}...)
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wdd_log.Info("[CONTAINER] java args: %v", args)
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cmd = exec.Command("java", args...)
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case "python":
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cmd = exec.Command("python", programPath)
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default:
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log.Fatalf("Unsupported business program type: %s", programType)
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wdd_log.Error("不支持的业务程序类型: %s", programType)
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}
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return cmd
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}
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// 分割命令行参数
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func splitArgs(s string) []string {
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var args []string
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var inQuote bool
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var current string
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var quoteChar rune
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for _, r := range s {
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switch {
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case (r == '"' || r == '\'') && !inQuote:
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inQuote = true
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quoteChar = r
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case r == quoteChar && inQuote:
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inQuote = false
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quoteChar = 0
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case r == ' ' && !inQuote:
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if current != "" {
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args = append(args, current)
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current = ""
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}
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default:
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current += string(r)
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}
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}
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if current != "" {
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args = append(args, current)
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}
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return args
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}
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func main() {
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// 解析命令行参数
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flag.Parse()
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if *businessProgramType == "" || *businessProgramPath == "" {
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log.Fatal("Missing required flags: -business-program-type and -business-program-path must be specified")
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wdd_log.Error("缺少必要的参数: -business-program-type 和 -business-program-path 必须指定")
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}
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// 信号处理
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signalChan := make(chan os.Signal, 1)
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signal.Notify(signalChan, os.Interrupt, syscall.SIGTERM)
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// StartHeartbeatDetection(signalChan)
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go func() {
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for sig := range signalChan {
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log.Printf("Received signal: %v", sig)
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wdd_log.Info("接收到信号: %v", sig)
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mu.Lock()
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stopRequested = true
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if currentCmd != nil && currentCmd.Process != nil {
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// 发送 SIGTERM 给业务进程
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if err := currentCmd.Process.Signal(syscall.SIGTERM); err != nil {
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log.Printf("Failed to send SIGTERM to process: %v", err)
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wdd_log.Error("向进程发送SIGTERM信号失败: %v", err)
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}
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// 等待 10 秒后强制杀死进程
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time.AfterFunc(10*time.Second, func() {
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mu.Lock()
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defer mu.Unlock()
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if currentCmd != nil && currentCmd.Process != nil {
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log.Println("Graceful shutdown timeout, sending SIGKILL")
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wdd_log.Warn("优雅关闭超时,发送SIGKILL信号")
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currentCmd.Process.Kill()
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}
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})
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@@ -66,12 +246,19 @@ func main() {
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}
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}()
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// 授权检测
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go func() {
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for {
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StartHeartbeatDetection(signalChan)
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}
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}()
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// 主循环
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for {
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mu.Lock()
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if stopRequested {
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mu.Unlock()
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log.Println("Shutting down due to stop request")
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wdd_log.Info("收到停止请求,正在关闭")
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os.Exit(0)
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}
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mu.Unlock()
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@@ -82,11 +269,16 @@ func main() {
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// 启动业务进程
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if err := cmd.Start(); err != nil {
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log.Printf("Failed to start business process: %v", err)
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wdd_log.Error("启动业务进程失败: %v", err)
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time.Sleep(5 * time.Second)
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continue
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}
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// 业务进程启动成功
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if *businessProgramType == "java" {
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wdd_log.Info("[CONTAINER] 程序启动成功!")
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}
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mu.Lock()
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currentCmd = cmd
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mu.Unlock()
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@@ -98,21 +290,21 @@ func main() {
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mu.Unlock()
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if err != nil {
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log.Printf("Business process exited with error: %v", err)
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wdd_log.Error("业务进程异常退出: %v", err)
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} else {
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log.Println("Business process exited normally")
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wdd_log.Info("业务进程正常退出")
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}
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mu.Lock()
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if stopRequested {
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mu.Unlock()
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log.Println("Shutting down due to stop request")
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wdd_log.Info("收到停止请求,正在关闭")
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os.Exit(0)
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}
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mu.Unlock()
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// 等待 5 秒后重启
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log.Println("Restarting business process in 5 seconds...")
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wdd_log.Info("5秒后重启业务进程...")
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time.Sleep(5 * time.Second)
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}
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}
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