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73 lines
2.5 KiB
73 lines
2.5 KiB
import { getUsername } from "../server.js"
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import { getActiveFlagImage } from "../queries/imageQueries.js"
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import Docker from 'dockerode';
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// create a new docker
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const docker = new Docker();
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// creating container
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async function CreateContainer(email) {
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console.log('Creating Container for ' + email);
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let username = getUsername(email);
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// get the active flag image for that user and use that to create the container
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return getActiveFlagImage(email).then(async (image) => {
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if(image === undefined || image.ActiveFlag === null || image.ActiveFlag === 'ubuntu') {
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return await StartContainer('ubuntu', username, email);
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}
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else
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return await StartContainer(image.ActiveFlag, username, email);
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}).catch((err) => {
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console.error('Error in CreateContainer:', err.message);
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});
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}
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// Create and Start the container with correct image
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async function StartContainer(image, username, email) {
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// create container
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try {
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const container = await docker.createContainer({
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Image: image,
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Cmd: ['/bin/bash'],
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AttachStdin: true,
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AttachStdout: true,
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AttachStderr: true,
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StdinOnce: false,
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OpenStdin: true,
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Tty: true,
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Detach: false,
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Hostname: username,
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name: username
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});
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// start container
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console.log('starting container', container.id);
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await container.start();
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console.log('+++++ Container started for ' + username + ' with ID: ' + container.id + ' +++++');
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return container;
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} catch (err) {
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if (err.statusCode === 409 || err.statusCode === 404) { // confliction or if container doesn't exist
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return CheckContainer(email);
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}
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else console.error(err);
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}
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}
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// check if there is a container already created and started with the specific email
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export async function CheckContainer(email) {
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try { // remove container if that container already exists
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console.log('Checking container for email:', email);
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const cont = await docker.getContainer(getUsername(email));
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const info = await cont.inspect();
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if(info.State.Running){
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await cont.kill();
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await cont.remove({ force: true});
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}
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return await CreateContainer(email);
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} catch(err) {
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if(err.statusCode === 404) {
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return await CreateContainer(email);
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}
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console.error('Error checking container:', err.message);
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}
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}; |