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