feat: complete daemon operations and recovery tooling

internal/backendupdate/updater.go

@@ -76,6 +76,8 @@ type Updater struct {
 	containerTmpSource string
 	// containerTmpTarget 容器后端临时目录在容器内的目标路径。
 	containerTmpTarget string
+	// containerStopGraceSeconds 停止容器后端旧容器时，发送停止信号后到强制终止前的等待秒数。
+	containerStopGraceSeconds int
 	// logger 结构化日志记录器。
 	logger *slog.Logger
 	// drain 切换后旧单元/旧容器的排空时长。
@@ -189,13 +191,18 @@ func NewContainer(
 	if err != nil {
 		return nil, err
 	}
+	stopGraceSeconds := defaultContainerStopGraceSeconds
+	if config.Backend.StopGraceSeconds != nil {
+		stopGraceSeconds = *config.Backend.StopGraceSeconds
+	}
 	return &Updater{
 		config: config, workRoot: workRoot, store: store, coordinator: coordinator, gateway: gateway,
 		containerExecutor: executor, engine: engine, logger: logger, drain: drainDuration,
-		containerConfigSource: deploymentconfig.ContainerConfigSource,
-		containerConfigTarget: deploymentconfig.ContainerConfigTarget,
-		containerTmpSource:    deploymentconfig.ContainerTmpSource,
-		containerTmpTarget:    deploymentconfig.ContainerTmpTarget,
+		containerConfigSource:     deploymentconfig.ContainerConfigSource,
+		containerConfigTarget:     deploymentconfig.ContainerConfigTarget,
+		containerTmpSource:        deploymentconfig.ContainerTmpSource,
+		containerTmpTarget:        deploymentconfig.ContainerTmpTarget,
+		containerStopGraceSeconds: stopGraceSeconds,
 	}, nil
 }