[CI]: CI pipeline

Jenkinsfile

@@ -0,0 +1,88 @@
+
+@Library('apm@current') _
+
+pipeline {
+  agent { label 'linux && immutable' }
+  environment {
+    REPO = 'golang-crossbuild'
+    BASE_DIR = "src/github.com/elastic/${env.REPO}"
+    NOTIFY_TO = credentials('notify-to')
+    PIPELINE_LOG_LEVEL = 'INFO'
+    HOME = "${env.WORKSPACE}"
+    DOCKER_REGISTRY_SECRET = 'secret/apm-team/ci/docker-registry/prod'
+    REGISTRY = 'docker.elastic.co'
+    STAGING_IMAGE = "${env.REGISTRY}/observability-ci"
+  }
+  options {
+    timeout(time: 2, unit: 'HOURS')
+    buildDiscarder(logRotator(numToKeepStr: '20', artifactNumToKeepStr: '20', daysToKeepStr: '30'))
+    timestamps()
+    ansiColor('xterm')
+    disableResume()
+    durabilityHint('PERFORMANCE_OPTIMIZED')
+    rateLimitBuilds(throttle: [count: 60, durationName: 'hour', userBoost: true])
+    quietPeriod(10)
+  }
+  triggers {
+    issueCommentTrigger('(?i).*jenkins\\W+run\\W+(?:the\\W+)?tests(?:\\W+please)?.*')
+  }
+  stages {
+    stage('Checkout') {
+      steps {
+        deleteDir()
+        gitCheckout(basedir: BASE_DIR)
+        stash allowEmpty: true, name: 'source', useDefaultExcludes: false
+      }
+    }
+    stage('Build') {
+      steps {
+        withGithubNotify(context: 'Build') {
+          deleteDir()
+          unstash 'source'
+          dir(BASE_DIR){
+            sh 'make build'
+          }
+        }
+      }
+    }
+    stage('Staging') {
+      steps {
+        withGithubNotify(context: 'Staging') {
+          dir(BASE_DIR){
+            dockerLogin(secret: "${DOCKER_REGISTRY_SECRET}", registry: "${REGISTRY}")
+            withEnv( [ "REPOSITORY=${env.STAGING_IMAGE}" ] ) {
+              // It will use the already cached docker images that were created in the
+              // Build stage. But it's required to retag them with the staging repo.
+              sh 'make build'
+              sh(label: "push docker image to ${env.REPOSITORY}", script: 'make push')
+            }
+          }
+        }
+      }
+    }
+    stage('Release') {
+      when {
+        anyOf {
+          tag pattern: 'v\\d+\\.\\d+.*', comparator: 'REGEXP'
+        }
+      }
+      stages {
+        stage('Publish') {
+          steps {
+            withGithubNotify(context: 'Publish') {
+              dir(BASE_DIR){
+                dockerLogin(secret: "${DOCKER_REGISTRY_SECRET}", registry: "${REGISTRY}")
+                sh 'make push'
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  post {
+    always {
+      notifyBuildResult()
+    }
+  }
+}

Makefile.common

@@ -1,4 +1,4 @@
-REPOSITORY    := docker.elastic.co/beats-dev
+REPOSITORY    ?= docker.elastic.co/beats-dev
 VCS_REF       := $(shell git rev-parse HEAD)
 VCS_URL       := https://github.com/elastic/golang-crossbuild
 BUILD_DATE    := $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")