tsdocker/ts/npmdocker.docker.ts

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import * as plugins from './npmdocker.plugins';
import * as paths from './npmdocker.paths';
import * as snippets from './npmdocker.snippets'
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// interfaces
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import { IConfig } from './npmdocker.config'
let config: IConfig
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/**
* the docker data used to build the internal testing container
*/
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let dockerData = {
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imageTag: 'npmdocker-temp-image:latest',
containerName: 'npmdocker-temp-container',
dockerProjectMountString: '',
dockerSockString: '',
dockerEnvString: ''
}
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/**
* check if docker is available
*/
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let checkDocker = () => {
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let done = plugins.q.defer()
plugins.beautylog.ora.text('checking docker...')
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if (plugins.smartshell.which('docker')) {
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plugins.beautylog.ok('Docker found!')
done.resolve()
} else {
done.reject(new Error('docker not found on this machine'))
}
return done.promise
}
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/**
* builds the Dockerfile according to the config in the project
*/
let buildDockerFile = () => {
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let done = plugins.q.defer()
plugins.beautylog.ora.text('building Dockerfile...')
let dockerfile: string = snippets.dockerfileSnippet({
baseImage: config.baseImage,
command: config.command
})
plugins.beautylog.info(`Base image is: ${config.baseImage}`)
plugins.beautylog.info(`Command is: ${config.command}`)
plugins.smartfile.memory.toFsSync(dockerfile, paths.dockerfile)
plugins.beautylog.ok('Dockerfile created!')
done.resolve()
return done.promise
}
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/**
* builds the Dockerimage from the built Dockerfile
*/
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let buildDockerImage = async () => {
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plugins.beautylog.ora.text('pulling latest base image from registry...')
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await plugins.smartshell.execSilent(
`docker pull ${config.baseImage}`
).then(async () => {
plugins.beautylog.ora.text('building Dockerimage...')
// are we creating a build context form project ?
if (process.env.CI === 'true') {
plugins.beautylog.ora.text('creating build context...')
plugins.smartfile.fs.copySync(paths.cwd, paths.buildContextDir)
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}
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await plugins.smartshell.execSilent(
`docker build -f ${paths.dockerfile} -t ${dockerData.imageTag} ${paths.assets}`
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).then(async (response) => {
if (response.exitCode !== 0) {
console.log(response.stdout)
process.exit(1)
}
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plugins.beautylog.ok('Dockerimage built!')
})
})
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}
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let buildDockerProjectMountString = async () => {
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if (process.env.CI !== 'true') {
dockerData.dockerProjectMountString = `-v ${paths.cwd}:/workspace`
};
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}
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/**
* builds an environment string that docker cli understands
*/
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let buildDockerEnvString = async () => {
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for (let keyValueObjectArg of config.keyValueObjectArray) {
let envString = dockerData.dockerEnvString = dockerData.dockerEnvString + `-e ${keyValueObjectArg.key}=${keyValueObjectArg.value} `
};
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}
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/**
* creates string to mount the docker.sock inside the testcontainer
*/
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let buildDockerSockString = async () => {
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if (config.dockerSock) {
dockerData.dockerSockString = `-v /var/run/docker.sock:/var/run/docker.sock`
};
}
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/**
* creates a container by running the built Dockerimage
*/
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let runDockerImage = async () => {
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let done = plugins.q.defer()
plugins.beautylog.ora.text('starting Container...')
plugins.beautylog.ora.end()
plugins.beautylog.log('now running Dockerimage')
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config.exitCode = (await plugins.smartshell.exec(`docker run ${dockerData.dockerProjectMountString} ${dockerData.dockerSockString} ${dockerData.dockerEnvString} --name ${dockerData.containerName} ${dockerData.imageTag}`)).exitCode
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}
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/**
* cleans up: deletes the test container
*/
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let deleteDockerContainer = async () => {
await plugins.smartshell.execSilent(`docker rm -f ${dockerData.containerName}`)
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}
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/**
* cleans up deletes the test image
*/
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let deleteDockerImage = async () => {
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await plugins.smartshell.execSilent(`docker rmi ${dockerData.imageTag}`).then(async (response) => {
if (response.exitCode !== 0) {
console.log(response.stdout)
}
})
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}
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/**
* cleans up, deletes the build context
*/
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let deleteBuildContext = async () => {
await plugins.smartfile.fs.remove(paths.buildContextDir)
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}
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let preClean = async () => {
await deleteDockerImage()
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.then(deleteDockerContainer)
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.then(async () => {
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plugins.beautylog.ok('ensured clean Docker environment!')
})
}
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let postClean = async () => {
await deleteDockerContainer()
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.then(deleteDockerImage)
.then(deleteBuildContext)
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.then(async () => {
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plugins.beautylog.ok('cleaned up!')
})
}
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export let run = async (configArg: IConfig): Promise<IConfig> => {
plugins.beautylog.ora.start()
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config = configArg
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let resultConfig = await checkDocker()
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.then(preClean)
.then(buildDockerFile)
.then(buildDockerImage)
.then(buildDockerProjectMountString)
.then(buildDockerEnvString)
.then(buildDockerSockString)
.then(runDockerImage)
.then(postClean)
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.catch(err => { console.log(err) })
return config
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}