jenkins-shared-library/vars/onBuildEvent.groovy

#!/usr/bin/env groovy
/**
 * 在 pipeline 的开始 & 结束各调用一次即可：
 * onBuildEvent('start')
 * onBuildEvent('end')
 */
def call(String phase) {
    // 从 Jenkins 环境变量里取值
    String jobName = env.JOB_NAME
    String buildNum = env.BUILD_NUMBER
    String branch = env.GIT_BRANCH ?: 'unknown'
    String result = currentBuild.currentResult ?: 'UNKNOWN'
    String buildUrl = env.BUILD_URL
    String duration = phase == 'end' ? "${currentBuild.durationString}" : '-'

    // 颜色 & 图标随结果变化
    String headerColor = phase == 'start' ? 'blue' : (result == 'SUCCESS' ? 'green' : 'red')
    String headerIcon  = phase == 'start' ? 'rocket' : (result == 'SUCCESS' ? 'check_circle' : 'error')

    def card = [
        header: [
            title: [
                tag: "plain_text",
                content: "Jenkins ${phase == 'start' ? '开始' : '结束'}通知"
            ],
            template: headerColor
        ],
        elements: [
            [
                tag: "div",
                text: [
                    tag: "lark_md",
                    content: "**项目：** ${jobName}\n" +
                             "**分支：** ${branch}\n" +
                             "**构建：** #${buildNum}\n" +
                             "**结果：** ${result}\n" +
                             "**耗时：** ${duration}\n" +
                             "**链接：** [查看详情](${buildUrl})"
                ]
            ]
        ]
    ]

    // 只读取 webhook 凭据，不处理 secret
    String webhook = credentials('feishu-webhook')
    feishu.send(webhook, card)
}