@NonCPS
def getHiddenParams() {
    def results = [:]
    def action = currentBuild.rawBuild.getAction(hudson.model.ParametersAction.class)
    if (action) {
        results.user = action.getParameter("ACTUAL_USER")?.getValue()
    }
    return results
}

// 飞书通知函数 - 带重试机制，防止限频导致 Job 失败
def sendLarkNotification(String robot, String type, String title, List text) {
    def retryCount = env.LARK_RETRY_COUNT.toInteger()
    def retryDelay = env.LARK_RETRY_DELAY.toInteger()

    for (int i = 0; i < retryCount; i++) {
        try {
            lark(
                robot: robot,
                type: type,
                title: title,
                text: text
            )
            echo "飞书通知发送成功"
            return true
        } catch (Exception e) {
            echo "飞书通知发送失败 (第 ${i+1}/${retryCount} 次): ${e.message}"
            if (i < retryCount - 1) {
                echo "等待 ${retryDelay} 秒后重试..."
                sleep(retryDelay)
            }
        }
    }

    echo "⚠️ 飞书通知发送失败，已重试 ${retryCount} 次，但不影响部署结果"
    return false
}


pipeline {
    agent any

    parameters {
        imageTag(
            name: 'IMAGE_NAME',
            description: 'sit 仓库镜像 (除非输入 CUSTOM_IMAGE, 否则使用这里的)',
            registry: 'https://uswccr.ccs.tencentyun.com',
            image: 'lessiesit/lessie-search-service',
            credentialId: 'dxin_img_hub_auth',
            filter: '.*',
            defaultTag: '',
            tagOrder: 'DSC_VERSION',
            verifySsl: true
        )
        string(
            name: 'CUSTOM_IMAGE',
            defaultValue: '',
            description: '手输完整镜像<registry>/<namespace>/<repo>:<tag>，例如: uswccr.ccs.tencentyun.com/lessiesit/lessie-search-service:v0.0.1 (填充后，则忽略镜像仓库选择)'
        )
        booleanParam(
            name: 'ROLLBACK_VERSION',
            defaultValue: false,
            description: '是否快速回滚上一个版本?'
        )
    }
    environment {
        // ========== 超时配置 ==========
        ROLLBACK_TIMEOUT = "120s"          // 回滚超时时间
        DEPLOYMENT_TIMEOUT = "300s"       // 部署超时时间

        // ========== 飞书通知配置 ==========
        LARK_ROBOT = "4b8d66d0-c0f0-4587-b0e5-cff772cb3046"  // 飞书机器人ID
        LARK_RETRY_COUNT = "3"            // 飞书通知重试次数
        LARK_RETRY_DELAY = "2"            // 飞书通知重试间隔(秒)

        // ========== K8s 配置 ==========
        KUBECONFIG = credentials('k8s-test-config-admin')  // k8s 凭证 ID, Jenkins 中配置的凭证名称
        Deployment_name = "sit-lessie-search-service"
        K8s_namespace = "sit"
        Pod_container_name = "lessie-search-service"
        Pod_environment = "sit"
    }
    stages {
        stage('回滚上版') {
            when { expression { return params.ROLLBACK_VERSION == true } }
            steps {
                script {
                    sh """
                    echo "开始回滚到上一个版本"
                    kubectl rollout undo deployment/${Deployment_name} -n ${K8s_namespace}
                    echo "回滚中"
                    kubectl rollout status deployment/${Deployment_name} -n ${K8s_namespace} --timeout=${ROLLBACK_TIMEOUT}
                    echo "查看所使用的镜像"
                    kubectl get deployment ${Deployment_name} -n ${K8s_namespace} -o=jsonpath='{.spec.template.spec.containers[*].image}'
                    echo "回滚完成"
                    """
                }
            }
        }
        stage('决定镜像') {
            when { expression { return params.ROLLBACK_VERSION == false } }
            steps {
                script {
                    // 调用上面的非 CPS 方法，安全拿值
                    def hidden = getHiddenParams()
                    env.ACTUAL_USER = hidden.user ?: (currentBuild.getBuildCauses('hudson.model.Cause$UserIdCause')[0]?.userName ?: "系统触发")
                    env.ACTUAL_BRANCH = hidden.branch ?: "未知"
                    echo "触发用户: ${env.ACTUAL_USER}"

                    // 当前时间（格式：YYYY-MM-DD HH:MM:SS）
                    env.currentTime = sh(script: 'date "+%Y-%m-%d %H:%M:%S"', returnStdout: true).trim()

                    def imageRegex = /^([a-zA-Z0-9.-]+)(:[0-9]+)?\/([a-zA-Z0-9._-]+)\/([a-zA-Z0-9._-]+):([a-zA-Z0-9._-]+)$/

                    if (params.CUSTOM_IMAGE?.trim()) {
                        echo "检测手输镜像格式: ${params.CUSTOM_IMAGE}"
                        def customImage = params.CUSTOM_IMAGE.trim()
                        // 验证镜像格式
                        def matcher = (customImage =~ imageRegex)
                        if (!matcher.matches()) {
                            error "CUSTOM_IMAGE 格式不正确，必须是 registry/namespace/repository:tag 格式\n" +
                                "示例: uswccr.ccs.tencentyun.com/lessiesit/apex:v1.0.0\n" +
                                "当前输入: ${customImage}"
                        }

                        echo "使用手输镜像: ${customImage}"
                        env.IMAGE_FULL_NAME = customImage

                    } else {
                        def img = "uswccr.ccs.tencentyun.com/${params.IMAGE_NAME}"
                        echo "使用 imageTag 插件镜像: ${img}"
                        env.IMAGE_FULL_NAME = img
                    }
                }
            }
        }
        stage('查询镜像') {
            when { expression { return params.ROLLBACK_VERSION == false } }
            steps {
                script {
                    echo "查询镜像: ${IMAGE_FULL_NAME}"

                    def result = sh(returnStdout: true, script: """
                        /data/sh/get-image-labels-fast.sh \
                        "${IMAGE_FULL_NAME}" \
                        "100038894437" \
                        'h8H1o6Fd!HLXn' | awk '/^{/,/^}\$/'
                    """).trim()

                    if (result == "" || result == null) {
                        error("查询镜像 label 失败，请检查镜像是否存在或凭证问题")
                    }

                    echo "镜像 Label:\n${result}"
                    env.IMAGE_LABEL = result
                }
            }
        }
        stage('更新镜像') {
            when { expression { return params.ROLLBACK_VERSION == false } } 
            steps {
                script {
                    echo "保存当前镜像信息"
                    env.OLD_IMAGE_NAME = sh(
                        script: "kubectl get deployment ${Deployment_name} -n ${K8s_namespace} -o=jsonpath='{.spec.template.spec.containers[0].image}'",
                        returnStdout: true
                    ).trim()
                    echo "更新前镜像: ${env.OLD_IMAGE_NAME}"

                    sh """
                        echo "更新Deployment: ${Deployment_name} 镜像为: ${IMAGE_FULL_NAME}"
                        kubectl set image deployment/${Deployment_name} ${Pod_container_name}=${IMAGE_FULL_NAME} -n ${K8s_namespace}
                    """
                }
            }
        }
        stage('部署情况') {
            when { expression { return params.ROLLBACK_VERSION == false } }
            steps {
                script {
                    echo "检测部署状态并验证新版本运行情况"
                    def rolloutStatus = sh(
                        script: "kubectl rollout status deployment/${Deployment_name} -n ${K8s_namespace} --timeout=${DEPLOYMENT_TIMEOUT}",
                        returnStatus: true
                    )
                
                    if (rolloutStatus != 0){
                        echo "Deployment ${Deployment_name} 发布 **超时或失败**，开始排查..."
                        sh """
                            echo "--- Deployment 状态 ---"
                            kubectl describe deployment ${Deployment_name} -n ${K8s_namespace} || true

                            echo '--- Pod 列表 ---'
                            kubectl get pods -n ${K8s_namespace} -l "app=${Pod_container_name},environment=${Pod_environment}" -o wide || true

                            echo "--- Pod 描述 (describe) ---"
                            for pod in \$(kubectl get pods -n ${K8s_namespace} -l "app=${Pod_container_name},environment=${Pod_environment}" -o jsonpath='{.items[*].metadata.name}'); do
                                echo "-- Pod 描述 \$pod --"
                                kubectl describe pod \$pod -n ${K8s_namespace} || true
                            done
                            
                            echo "--- 最近 200 行 Pod 日志 ---"
                            for pod in \$(kubectl get pods -n ${K8s_namespace} -l "app=${Pod_container_name},environment=${Pod_environment}" -o jsonpath='{.items[*].metadata.name}'); do
                                echo "-- logs \$pod --"
                                kubectl logs \$pod -n ${K8s_namespace} --tail=200 || true
                            done
                        """
                        error("=== Deployment 发布失败，请检查以上输出定位问题 ===")
                    }

                    echo "=== 检查 Pods 是否全部 Ready ==="
                    sh "kubectl get pods -l 'app=${Pod_container_name},environment=${Pod_environment}' -n ${K8s_namespace} -o wide"

                    echo "=== 获取最新 Pod 名称 ==="
                    NEW_POD = sh (
                        script: "kubectl get pods -l 'app=${Pod_container_name},environment=${Pod_environment}' -n ${K8s_namespace} --sort-by=.metadata.creationTimestamp -o jsonpath='{.items[-1].metadata.name}'",
                        returnStdout: true
                    ).trim()

                    echo "=== 新 Pod 启动日志(最近20行) ==="
                    sh "kubectl logs ${NEW_POD} -n ${K8s_namespace} --tail=20 || true"

                    echo "部署成功：${NEW_POD} 已正常运行"
                }
            }
        }
    }

    post {
        success {
            script {
                echo "部署成功，所选择镜像: ${IMAGE_FULL_NAME}"
                sendLarkNotification(
                    "${LARK_ROBOT}",
                    "CARD",
                    "${Deployment_name}部署成功",
                    [
                        "📅 **部署时间**: ${currentTime}",
                        "📋 **任务名称**: [${JOB_NAME}](${JOB_URL})",
                        "🔢 **任务编号**: [${BUILD_DISPLAY_NAME}](${BUILD_URL})",
                        "🌟 **部署状态**: <font color='green'>部署成功</font>",
                        "⏱️ **部署用时**: ${currentBuild.duration.intdiv(1000)} 秒",
                        "📦 **部署镜像**: ${env.IMAGE_FULL_NAME}",
                        "📝 **镜像摘要**: ${env.IMAGE_LABEL ?: '无'}",
                        "📦 **上次镜像**: ${env.OLD_IMAGE_NAME ?: '无'}",
                        "👤 **执行账号**: ${env.ACTUAL_USER}",
                    ]
                )
            }
        }
        failure {
            script {
                echo "有步骤失败，请检查！"
                sendLarkNotification(
                    "${LARK_ROBOT}",
                    "CARD",
                    "${Deployment_name}部署失败",
                    [
                        "📅 **部署时间**: ${currentTime}",
                        "📋 **任务名称**: [${JOB_NAME}](${JOB_URL})",
                        "🔢 **任务编号**: [${BUILD_DISPLAY_NAME}](${BUILD_URL})",
                        "🌟 **部署状态**: <font color='red'>部署失败</font>",
                        "⏱️ **部署用时**: ${currentBuild.duration.intdiv(1000)} 秒",
                        "📦 **部署镜像**: ${env.IMAGE_FULL_NAME ?: '无'}",
                        "📝 **镜像摘要**: ${env.IMAGE_LABEL ?: '无'}",
                        "📦 **上次镜像**: ${env.OLD_IMAGE_NAME ?: '无'}",
                        "👤 **执行账号**: ${env.ACTUAL_USER}",
                    ]
                )
            }
        }
        aborted {
            script {
                echo "部署被中止！"
                sendLarkNotification(
                    "${LARK_ROBOT}",
                    "CARD",
                    "${Deployment_name}部署取消",
                    [
                        "📅 **部署时间**: ${currentTime}",
                        "📋 **任务名称**: [${JOB_NAME}](${JOB_URL})",
                        "🔢 **任务编号**: [${BUILD_DISPLAY_NAME}](${BUILD_URL})",
                        "🌟 **部署状态**: <font color='red'>部署取消</font>",
                        "⏱️ **部署用时**: ${currentBuild.duration.intdiv(1000)} 秒",
                        "📦 **部署镜像**: ${env.IMAGE_FULL_NAME ?: '无'}",
                        "📝 **镜像摘要**: ${env.IMAGE_LABEL ?: '无'}",
                        "📦 **上次镜像**: ${env.OLD_IMAGE_NAME ?: '无'}",
                        "👤 **执行账号**: ${env.ACTUAL_USER}",
                    ]
                )
            }
        }
    }
}