npmci/ts/mod_docker/mod.helpers.ts

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2017-08-27 23:03:59 +00:00
import * as plugins from './mod.plugins'
import * as paths from '../npmci.paths'
import * as NpmciEnv from '../npmci.env'
import { bash } from '../npmci.bash'
import { Dockerfile } from './mod.classes.dockerfile'
/**
* creates instance of class Dockerfile for all Dockerfiles in cwd
* @returns Promise<Dockerfile[]>
*/
export let readDockerfiles = async (): Promise<Dockerfile[]> => {
let fileTree = await plugins.smartfile.fs.listFileTree(paths.cwd, 'Dockerfile*')
// create the Dockerfile array
let readDockerfilesArray: Dockerfile[] = []
plugins.beautylog.info(`found ${fileTree.length} Dockerfiles:`)
console.log(fileTree)
for (let dockerfilePath of fileTree) {
let myDockerfile = new Dockerfile({
filePath: dockerfilePath,
read: true
})
readDockerfilesArray.push(myDockerfile)
}
return readDockerfilesArray
}
/**
* sorts Dockerfiles into a dependency chain
* @param sortableArrayArg an array of instances of class Dockerfile
* @returns Promise<Dockerfile[]>
*/
export let sortDockerfiles = (sortableArrayArg: Dockerfile[]): Promise<Dockerfile[]> => {
let done = plugins.q.defer<Dockerfile[]>()
plugins.beautylog.info('sorting Dockerfiles:')
let sortedArray: Dockerfile[] = []
let cleanTagsOriginal = cleanTagsArrayFunction(sortableArrayArg, sortedArray)
let sorterFunctionCounter: number = 0
let sorterFunction = function () {
sortableArrayArg.forEach((dockerfileArg) => {
let cleanTags = cleanTagsArrayFunction(sortableArrayArg, sortedArray)
if (cleanTags.indexOf(dockerfileArg.baseImage) === -1 && sortedArray.indexOf(dockerfileArg) === -1) {
sortedArray.push(dockerfileArg)
}
if (cleanTagsOriginal.indexOf(dockerfileArg.baseImage) !== -1) {
dockerfileArg.localBaseImageDependent = true
}
})
if (sortableArrayArg.length === sortedArray.length) {
let counter = 1
for (let dockerfile of sortedArray) {
plugins.beautylog.log(`tag ${counter}: -> ${dockerfile.cleanTag}`)
counter++
}
done.resolve(sortedArray)
} else if (sorterFunctionCounter < 10) {
sorterFunctionCounter++
sorterFunction()
}
}
sorterFunction()
return done.promise
}
/**
* maps local Dockerfiles dependencies to the correspoding Dockerfile class instances
*/
export let mapDockerfiles = async (sortedArray: Dockerfile[]): Promise<Dockerfile[]> => {
sortedArray.forEach((dockerfileArg) => {
if (dockerfileArg.localBaseImageDependent) {
sortedArray.forEach((dockfile2: Dockerfile) => {
if (dockfile2.cleanTag === dockerfileArg.baseImage) {
dockerfileArg.localBaseDockerfile = dockfile2
}
})
}
})
return sortedArray
}
/**
* builds the correspoding real docker image for each Dockerfile class instance
*/
export let buildDockerfiles = async (sortedArrayArg: Dockerfile[]) => {
for (let dockerfileArg of sortedArrayArg) {
await dockerfileArg.build()
}
return sortedArrayArg
}
/**
* tests all Dockerfiles in by calling class Dockerfile.test();
* @param sortedArrayArg Dockerfile[] that contains all Dockerfiles in cwd
*/
export let testDockerfiles = async (sortedArrayArg: Dockerfile[]) => {
for (let dockerfileArg of sortedArrayArg) {
await dockerfileArg.test()
}
return sortedArrayArg
}
/**
* returns a version for a docker file
* @execution SYNC
*/
export let dockerFileVersion = (dockerfileNameArg: string): string => {
let versionString: string
let versionRegex = /Dockerfile_([a-zA-Z0-9\.]*)$/
let regexResultArray = versionRegex.exec(dockerfileNameArg)
if (regexResultArray && regexResultArray.length === 2) {
versionString = regexResultArray[ 1 ]
} else {
versionString = 'latest'
}
return versionString
}
/**
* returns the docker base image for a Dockerfile
*/
export let dockerBaseImage = function (dockerfileContentArg: string) {
let baseImageRegex = /FROM\s([a-zA-z0-9\/\-\:]*)\n?/
let regexResultArray = baseImageRegex.exec(dockerfileContentArg)
return regexResultArray[ 1 ]
}
/**
* returns the docker tag
*/
export let getDockerTagString = function (registryArg: string, repoArg: string, versionArg: string, suffixArg?: string): string {
// determine wether the suffix is needed
let version = versionArg
if (suffixArg) {
version = versionArg + '_' + suffixArg
}
let tagString = `${registryArg}/${repoArg}:${version}`
return tagString
}
/**
*
*/
export let cleanTagsArrayFunction = function (dockerfileArrayArg: Dockerfile[], trackingArrayArg: Dockerfile[]): string[] {
let cleanTagsArray: string[] = []
dockerfileArrayArg.forEach(function (dockerfileArg) {
if (trackingArrayArg.indexOf(dockerfileArg) === -1) {
cleanTagsArray.push(dockerfileArg.cleanTag)
}
})
return cleanTagsArray
}