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
import { IConfig } from './npmdocker.config';
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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 = () => {
let done = plugins.q.defer();
plugins.beautylog.ora.text('checking docker...');
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if (plugins.smartshell.which('docker')) {
plugins.beautylog.ok('Docker found!');
done.resolve();
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} else {
done.reject(new Error('docker not found on this machine'));
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}
return done.promise;
};
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/**
* builds the Dockerfile according to the config in the project
*/
let buildDockerFile = () => {
let done = plugins.q.defer();
plugins.beautylog.ora.text('building Dockerfile...');
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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;
};
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/**
* builds the Dockerimage from the built Dockerfile
*/
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let buildDockerImage = async () => {
plugins.beautylog.info('pulling latest base image from registry...');
await plugins.smartshell.exec(`docker pull ${config.baseImage}`);
plugins.beautylog.ora.text('building Dockerimage...');
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let execResult = await plugins.smartshell.execSilent(
`docker build -f npmdocker -t ${dockerData.imageTag} ${paths.cwd}`
);
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if (execResult.exitCode !== 0) {
console.log(execResult.stdout);
process.exit(1);
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}
plugins.beautylog.ok('Dockerimage built!');
};
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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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/**
* 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 () => {
let done = plugins.q.defer();
plugins.beautylog.ora.text('starting Container...');
plugins.beautylog.ora.end();
plugins.beautylog.log('now running Dockerimage');
config.exitCode = (await plugins.smartshell.exec(
`docker run ${dockerData.dockerProjectMountString} ${dockerData.dockerSockString} ${
dockerData.dockerEnvString
} --name ${dockerData.containerName} ${dockerData.imageTag}`
)).exitCode;
};
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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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/**
* cleans up deletes the test image
*/
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let deleteDockerImage = async () => {
await plugins.smartshell.execSilent(`docker rmi ${dockerData.imageTag}`).then(async response => {
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if (response.exitCode !== 0) {
console.log(response.stdout);
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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 () => {
plugins.beautylog.ok('ensured clean Docker environment!');
});
};
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let postClean = async () => {
await deleteDockerContainer()
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.then(deleteDockerImage)
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.then(async () => {
plugins.beautylog.ok('cleaned up!');
});
plugins.smartfile.fs.removeSync(paths.npmdockerFile);
};
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export let run = async (configArg: IConfig): Promise<IConfig> => {
plugins.beautylog.ora.start();
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)
.catch(err => {
console.log(err);
});
return config;
};