300 lines
9.3 KiB
TypeScript
300 lines
9.3 KiB
TypeScript
import * as plugins from './mod.plugins'
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import * as paths from '../npmci.paths'
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import * as NpmciEnv from '../npmci.env'
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import { bash } from '../npmci.bash'
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let modArgvArg // will be set through the build command
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/**
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* builds a cwd of Dockerfiles by triggering a promisechain
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*/
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export let build = async (argvArg: any) => {
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modArgvArg = argvArg
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plugins.beautylog.log('now building Dockerfiles...')
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await readDockerfiles(argvArg)
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.then(sortDockerfiles)
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.then(mapDockerfiles)
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.then(buildDockerfiles)
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.then(pushDockerfiles)
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}
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/**
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* creates instance of class Dockerfile for all Dockerfiles in cwd
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* @returns Promise<Dockerfile[]>
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*/
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export let readDockerfiles = async (argvArg): Promise<Dockerfile[]> => {
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modArgvArg = argvArg
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let fileTree = await plugins.smartfile.fs.listFileTree(paths.cwd, 'Dockerfile*')
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// create the Dockerfile array
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let readDockerfilesArray: Dockerfile[] = []
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plugins.beautylog.info(`found ${fileTree.length} Dockerfiles:`)
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console.log(fileTree)
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for (let dockerfilePath of fileTree) {
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let myDockerfile = new Dockerfile({
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filePath: dockerfilePath,
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read: true
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})
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readDockerfilesArray.push(myDockerfile)
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}
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return readDockerfilesArray
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}
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/**
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* sorts Dockerfiles into a dependency chain
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* @param sortableArrayArg an array of instances of class Dockerfile
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* @returns Promise<Dockerfile[]>
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*/
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export let sortDockerfiles = (sortableArrayArg: Dockerfile[]): Promise<Dockerfile[]> => {
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let done = plugins.q.defer<Dockerfile[]>()
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plugins.beautylog.info('sorting Dockerfiles:')
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let sortedArray: Dockerfile[] = []
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let cleanTagsOriginal = cleanTagsArrayFunction(sortableArrayArg, sortedArray)
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let sorterFunctionCounter: number = 0
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let sorterFunction = function () {
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sortableArrayArg.forEach((dockerfileArg) => {
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let cleanTags = cleanTagsArrayFunction(sortableArrayArg, sortedArray)
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if (cleanTags.indexOf(dockerfileArg.baseImage) === -1 && sortedArray.indexOf(dockerfileArg) === -1) {
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sortedArray.push(dockerfileArg)
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}
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if (cleanTagsOriginal.indexOf(dockerfileArg.baseImage) !== -1) {
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dockerfileArg.localBaseImageDependent = true
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}
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})
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if (sortableArrayArg.length === sortedArray.length) {
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let counter = 1
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for (let dockerfile of sortedArray) {
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plugins.beautylog.log(`tag ${counter}: -> ${dockerfile.cleanTag}`)
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counter++
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}
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done.resolve(sortedArray)
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} else if (sorterFunctionCounter < 10) {
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sorterFunctionCounter++
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sorterFunction()
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}
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}
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sorterFunction()
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return done.promise
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}
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/**
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* maps local Dockerfiles dependencies to the correspoding Dockerfile class instances
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*/
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export let mapDockerfiles = async (sortedArray: Dockerfile[]): Promise<Dockerfile[]> => {
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sortedArray.forEach((dockerfileArg) => {
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if (dockerfileArg.localBaseImageDependent) {
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sortedArray.forEach((dockfile2: Dockerfile) => {
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if (dockfile2.cleanTag === dockerfileArg.baseImage) {
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dockerfileArg.localBaseDockerfile = dockfile2
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}
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})
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}
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})
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return sortedArray
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}
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/**
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* builds the correspoding real docker image for each Dockerfile class instance
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*/
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export let buildDockerfiles = async (sortedArrayArg: Dockerfile[]) => {
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for (let dockerfileArg of sortedArrayArg) {
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await dockerfileArg.build()
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}
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return sortedArrayArg
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}
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/**
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* pushes the real Dockerfile images to a Docker registry
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*/
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export let pushDockerfiles = async (sortedArrayArg: Dockerfile[]) => {
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let stageArg = (function () {
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if (modArgvArg._ && modArgvArg._.length >= 3) {
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return modArgvArg._[ 2 ]
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} else {
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return NpmciEnv.buildStage
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}
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})()
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for (let dockerfileArg of sortedArrayArg) {
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await dockerfileArg.push(stageArg)
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}
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return sortedArrayArg
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}
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/**
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* pulls corresponding real Docker images for instances of Dockerfile from a registry.
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* This is needed if building, testing, and publishing of Docker images is carried out in seperate CI stages.
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*/
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export let pullDockerfileImages = async (sortableArrayArg: Dockerfile[], registryArg = 'registry.gitlab.com') => {
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for (let dockerfileArg of sortableArrayArg) {
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await dockerfileArg.pull(registryArg)
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}
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return sortableArrayArg
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}
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/**
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* tests all Dockerfiles in by calling class Dockerfile.test();
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* @param sortedArrayArg Dockerfile[] that contains all Dockerfiles in cwd
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*/
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export let testDockerfiles = async (sortedArrayArg: Dockerfile[]) => {
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for (let dockerfileArg of sortedArrayArg) {
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await dockerfileArg.test()
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}
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return sortedArrayArg
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}
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/**
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* class Dockerfile represents a Dockerfile on disk in npmci
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*/
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export class Dockerfile {
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filePath: string
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repo: string
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version: string
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cleanTag: string
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buildTag: string
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gitlabTestTag: string
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gitlabReleaseTag: string
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releaseTag: string
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containerName: string
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content: string
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baseImage: string
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localBaseImageDependent: boolean
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localBaseDockerfile: Dockerfile
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constructor(options: { filePath?: string, fileContents?: string | Buffer, read?: boolean }) {
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this.filePath = options.filePath
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this.repo = NpmciEnv.repo.user + '/' + NpmciEnv.repo.repo
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this.version = dockerFileVersion(plugins.path.parse(options.filePath).base)
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this.cleanTag = this.repo + ':' + this.version
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this.buildTag = this.cleanTag
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this.gitlabTestTag = getDockerTagString('registry.gitlab.com', this.repo, this.version, 'test')
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this.gitlabReleaseTag = getDockerTagString('registry.gitlab.com', this.repo, this.version)
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// the releaseTag determines where the image gets released
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this.releaseTag = getDockerTagString('docker.io', this.repo, this.version)
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this.containerName = 'dockerfile-' + this.version
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if (options.filePath && options.read) {
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this.content = plugins.smartfile.fs.toStringSync(plugins.path.resolve(options.filePath))
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}
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this.baseImage = dockerBaseImage(this.content)
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this.localBaseImageDependent = false
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}
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/**
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* builds the Dockerfile
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*/
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async build () {
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plugins.beautylog.info('now building Dockerfile for ' + this.cleanTag)
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let buildCommand = `docker build -t ${this.buildTag} -f ${this.filePath} .`
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await bash(buildCommand)
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NpmciEnv.dockerFilesBuilt.push(this)
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return
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}
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/**
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* pushes the Dockerfile to a registry
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*/
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async push (stageArg) {
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await bash(`docker tag ${this.buildTag} ${this.releaseTag}`)
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await bash(`docker tag ${this.buildTag} ${this.gitlabReleaseTag}`)
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await bash(`docker tag ${this.buildTag} ${this.gitlabTestTag}`)
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switch (stageArg) {
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case 'release':
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await bash(`docker push ${this.gitlabReleaseTag}`)
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await bash(`docker push ${this.releaseTag}`)
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break
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case 'test':
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default:
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await bash(`docker push ${this.gitlabTestTag}`)
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break
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}
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}
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/**
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* pulls the Dockerfile from a registry
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*/
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async pull (registryArg: string) {
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await bash(`docker pull ${this.gitlabTestTag}`)
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await bash(`docker tag ${this.gitlabTestTag} ${this.buildTag}`)
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}
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/**
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* tests the Dockerfile;
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*/
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async test () {
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let testFile: string = plugins.path.join(paths.NpmciTestDir, 'test_' + this.version + '.sh')
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let testFileExists: boolean = plugins.smartfile.fs.fileExistsSync(testFile)
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if (testFileExists) {
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// run tests
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await bash('docker run --name npmci_test_container ' + this.buildTag + ' mkdir /npmci_test')
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await bash('docker cp ' + testFile + ' npmci_test_container:/npmci_test/test.sh')
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await bash('docker commit npmci_test_container npmci_test_image')
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await bash('docker run npmci_test_image sh /npmci_test/test.sh')
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await bash('docker rm npmci_test_container')
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await bash('docker rmi --force npmci_test_image')
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} else {
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plugins.beautylog.warn('skipping tests for ' + this.cleanTag + ' because no testfile was found!')
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}
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}
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/**
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* gets the id of a Dockerfile
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*/
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async getId () {
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let containerId = await bash('docker inspect --type=image --format=\"{{.Id}}\" ' + this.buildTag)
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return containerId
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}
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}
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/**
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* returns a version for a docker file
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* @execution SYNC
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*/
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export let dockerFileVersion = (dockerfileNameArg: string): string => {
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let versionString: string
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let versionRegex = /Dockerfile_([a-zA-Z0-9\.]*)$/
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let regexResultArray = versionRegex.exec(dockerfileNameArg)
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if (regexResultArray && regexResultArray.length === 2) {
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versionString = regexResultArray[ 1 ]
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} else {
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versionString = 'latest'
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}
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return versionString
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}
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/**
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* returns the docker base image for a Dockerfile
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*/
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export let dockerBaseImage = function (dockerfileContentArg: string) {
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let baseImageRegex = /FROM\s([a-zA-z0-9\/\-\:]*)\n?/
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let regexResultArray = baseImageRegex.exec(dockerfileContentArg)
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return regexResultArray[ 1 ]
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}
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/**
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* returns the docker tag
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*/
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export let getDockerTagString = function (registryArg: string, repoArg: string, versionArg: string, suffixArg?: string): string {
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// determine wether the suffix is needed
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let version = versionArg
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if (suffixArg) {
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version = versionArg + '_' + suffixArg
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}
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let tagString = `${registryArg}/${repoArg}:${version}`
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return tagString
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}
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/**
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*
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*/
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export let cleanTagsArrayFunction = function (dockerfileArrayArg: Dockerfile[], trackingArrayArg: Dockerfile[]): string[] {
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let cleanTagsArray: string[] = []
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dockerfileArrayArg.forEach(function (dockerfileArg) {
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if (trackingArrayArg.indexOf(dockerfileArg) === -1) {
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cleanTagsArray.push(dockerfileArg.cleanTag)
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}
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})
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return cleanTagsArray
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}
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