我们想将我们的项目分为较小的碎片。我们当前的CI过程经历了一个简短的测试阶段,然后运行部署脚本。但是,如果一个Sub项目中没有任何改变,我们不想为此进行构建。
没有管道的詹金斯支持SCM配置中的排除(我们使用git(,并基于此,您可以配置特定的作业以运行。但是,使用管道时,我怎么知道,是否应该构建此部分?我如何访问受到最后推动影响的路径?
目前我们的脚本非常简单,我们希望尽可能保持简单。
我们正在玩脚本和声明性语法,但找不到一个好的解决方案。
声明:
#!groovy
pipeline {
agent any
tools {
nodejs '8.1'
}
stages {
stage('Checkout') {
steps {
checkout scm
}
}
# Only continue, if something has changed
stage('Install') {
steps {
sh 'npm install'
}
}
stage('Test') {
steps {
sh 'npm run test-jenkins'
}
post {
always {
junit "artifacts/test/report.xml"
}
}
}
}
}
脚本:
#!groovy
node {
def nodejs = tool name: '8.1', type: 'jenkins.plugins.nodejs.tools.NodeJSInstallation'
env.PATH = "${nodejs}/bin:${env.PATH}"
stage('Checkout') {
checkout scm
}
# Only continue, if something has changed
stage('Install') {
sh 'npm install'
}
stage('Test') {
try {
sh 'npm run test-jenkins'
} finally {
junit "artifacts/test/report.xml"
}
}
}
感谢Elpiekay对我的问题的快速评论,我们现在有一个优雅的解决方案:
- 对成功构建的当前提交做出标签
- 在下一个构建中比较新提交和更改的标签
我们正在使用多个分支管道和平行构建,用于在同一源根下拥有的多个项目。我们迭代项目(serviceX
(,然后在相应的目录中检查一个更改:
def projects = ['service1', 'service2']
def builders = [:]
for (p in projects) {
def label = p
builders[label] = {
def tag = "${BRANCH_NAME}_last"
node {
echo "Checking for changes compared to ${tag} in directory ${label}"
try {
sh "./check-for-changes ${tag} ${label}"
} catch (ignored) {
echo "Nothing to do"
return
}
dir (label) {
stage(label + ": Install") {
sh "npm install"
}
stage(label + ": Test") {
try {
sh "npm run test-jenkins"
} finally {
junit 'artifacts/test/report.xml'
}
}
echo "Setting tag for the last build on this branch"
sh "git tag -f ${tag}"
}
}
}
}
parallel builders
...和要检查更改的脚本:
#!/bin/bash
SHA_PREV=$1
if [ -z ${SHA_PREV} ]; then
echo "Usage: `basename $0` <tag> <path>"
exit 1
fi
CHECK_PATH=$2
if [ -z ${CHECK_PATH} ]; then
echo "Usage: `basename $0` <tag> <path>"
exit 1
fi
if `git rev-parse ${SHA_PREV} >/dev/null 2>&1`; then
echo "Found previous tag: ${SHA_PREV}"
else
SHA_PREV=`git rev-list --max-parents=0 HEAD`
echo "Using initial commit: ${SHA_PREV}"
fi
changes=`git diff --name-only ${SHA_PREV} HEAD | grep ${CHECK_PATH}/`
if [ ! -n "${changes}" ]; then
echo "No changes found"
exit 2 # no changes found
fi