npmci/dist/npmci.build.docker.js

"use strict";
const plugins = require("./npmci.plugins");
const paths = require("./npmci.paths");
const NpmciEnv = require("./npmci.env");
const npmci_bash_1 = require("./npmci.bash");
/**
 * builds a cwd of Dockerfiles by triggering a promisechain
 */
exports.build = function () {
    let done = plugins.q.defer();
    exports.readDockerfiles()
        .then(exports.sortDockerfiles)
        .then(exports.mapDockerfiles)
        .then(exports.buildDockerfiles)
        .then(exports.pushDockerfiles)
        .then(() => {
        done.resolve();
    });
    return done.promise;
};
/**
 * creates instance of class Dockerfile for all Dockerfiles in cwd
 * @returns Promise<Dockerfile[]>
 */
exports.readDockerfiles = function () {
    let done = plugins.q.defer();
    let readDockerfilesArray = [];
    plugins.gulp.src('./Dockerfile*')
        .pipe(plugins.through2.obj(function (file, enc, cb) {
        let myDockerfile = new Dockerfile({
            filePath: file.path,
            read: true
        });
        readDockerfilesArray.push(myDockerfile);
        cb(null, file);
    }, function () {
        done.resolve(readDockerfilesArray);
    }));
    return done.promise;
};
/**
 * sorts Dockerfiles into a dependency chain
 * @param sortableArrayArg an array of instances of class Dockerfile
 * @returns Promise<Dockerfile[]>
 */
exports.sortDockerfiles = function (sortableArrayArg) {
    let done = plugins.q.defer();
    let sortedArray = [];
    let cleanTagsOriginal = exports.cleanTagsArrayFunction(sortableArrayArg, sortedArray);
    let sorterFunctionCounter = 0;
    let sorterFunction = function () {
        sortableArrayArg.forEach((dockerfileArg) => {
            let cleanTags = exports.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) {
            done.resolve(sortedArray);
        }
        else if (sorterFunctionCounter < 10) {
            sorterFunctionCounter++;
            sorterFunction();
        }
        ;
    };
    sorterFunction();
    return done.promise;
};
/**
 * maps local Dockerfiles dependencies to the correspoding Dockerfile class instances
 */
exports.mapDockerfiles = function (sortedArray) {
    let done = plugins.q.defer();
    sortedArray.forEach((dockerfileArg) => {
        if (dockerfileArg.localBaseImageDependent) {
            sortedArray.forEach((dockfile2) => {
                if (dockfile2.cleanTag === dockerfileArg.baseImage) {
                    dockerfileArg.localBaseDockerfile = dockfile2;
                }
            });
        }
        ;
    });
    done.resolve(sortedArray);
    return done.promise;
};
/**
 * builds the correspoding real docker image for each Dockerfile class instance
 */
exports.buildDockerfiles = (sortedArrayArg) => {
    let done = plugins.q.defer();
    sortedArrayArg.forEach(function (dockerfileArg) {
        dockerfileArg.build();
    });
    done.resolve(sortedArrayArg);
    return done.promise;
};
/**
 * pushes the real Dockerfile images to a Docker registry
 */
exports.pushDockerfiles = function (sortedArrayArg) {
    let done = plugins.q.defer();
    sortedArrayArg.forEach(function (dockerfileArg) {
        dockerfileArg.push(NpmciEnv.buildStage);
    });
    done.resolve(sortedArrayArg);
    return done.promise;
};
/**
 * pulls corresponding real Docker images for instances of Dockerfile from a registry.
 * This is needed if building, testing, and publishing of Docker images is carried out in seperate CI stages.
 */
exports.pullDockerfileImages = (sortableArrayArg, registryArg = 'registry.gitlab.com') => {
    let done = plugins.q.defer();
    sortableArrayArg.forEach((dockerfileArg) => {
        dockerfileArg.pull(registryArg);
    });
    done.resolve(sortableArrayArg);
    return done.promise;
};
/**
 * tests all Dockerfiles in by calling class Dockerfile.test();
 * @param sortedArrayArg Dockerfile[] that contains all Dockerfiles in cwd
 */
exports.testDockerfiles = (sortedArrayArg) => {
    let done = plugins.q.defer();
    sortedArrayArg.forEach(function (dockerfileArg) {
        dockerfileArg.test();
    });
    done.resolve(sortedArrayArg);
    return done.promise;
};
/**
 * class Dockerfile represents a Dockerfile on disk in npmci
 */
class Dockerfile {
    constructor(options) {
        this.filePath = options.filePath;
        this.repo = NpmciEnv.repo.user + '/' + NpmciEnv.repo.repo;
        this.version = exports.dockerFileVersion(plugins.path.parse(options.filePath).base);
        this.cleanTag = this.repo + ':' + this.version;
        this.buildTag = this.cleanTag;
        this.testTag = exports.dockerTag('registry.gitlab.com', this.repo, this.version, 'test');
        this.releaseTag = exports.dockerTag(NpmciEnv.dockerRegistry, this.repo, this.version);
        this.containerName = 'dockerfile-' + this.version;
        if (options.filePath && options.read) {
            this.content = plugins.smartfile.fs.toStringSync(plugins.path.resolve(options.filePath));
        }
        ;
        this.baseImage = exports.dockerBaseImage(this.content);
        this.localBaseImageDependent = false;
    }
    ;
    /**
     * builds the Dockerfile
     */
    build() {
        let done = plugins.q.defer();
        plugins.beautylog.info('now building Dockerfile for ' + this.cleanTag);
        npmci_bash_1.bashBare('docker build -t ' + this.buildTag + ' -f ' + this.filePath + ' .');
        NpmciEnv.dockerFilesBuilt.push(this);
        done.resolve();
        return done.promise;
    }
    ;
    /**
     * pushes the Dockerfile to a registry
     */
    push(stageArg) {
        let done = plugins.q.defer();
        let pushTag;
        switch (stageArg) {
            case 'release':
                pushTag = this.releaseTag;
                break;
            case 'test':
            default:
                pushTag = this.testTag;
                break;
        }
        npmci_bash_1.bashBare('docker tag ' + this.buildTag + ' ' + pushTag);
        npmci_bash_1.bashBare('docker push ' + pushTag);
        done.resolve();
        return done.promise;
    }
    ;
    /**
     * pulls the Dockerfile from a registry
     */
    pull(registryArg) {
        let pullTag = this.testTag;
        npmci_bash_1.bashBare('docker pull ' + pullTag);
        npmci_bash_1.bashBare('docker tag ' + pullTag + ' ' + this.buildTag);
    }
    ;
    /**
     * tests the Dockerfile;
     */
    test() {
        let testFile = plugins.path.join(paths.NpmciTestDir, 'test_' + this.version + '.sh');
        let testFileExists = plugins.smartfile.fs.fileExistsSync(testFile);
        if (testFileExists) {
            npmci_bash_1.bashBare('docker run --name npmci_test_container ' + this.buildTag + ' mkdir /npmci_test');
            npmci_bash_1.bashBare('docker cp ' + testFile + ' npmci_test_container:/npmci_test/test.sh');
            npmci_bash_1.bashBare('docker commit npmci_test_container npmci_test_image');
            npmci_bash_1.bashBare('docker run npmci_test_image sh /npmci_test/test.sh');
            npmci_bash_1.bashBare('docker rm npmci_test_container');
            npmci_bash_1.bashBare('docker rmi --force npmci_test_image');
        }
        else {
            plugins.beautylog.warn('skipping tests for ' + this.cleanTag + ' because no testfile was found!');
        }
    }
    ;
    /**
     * gets the id of a Dockerfile
     */
    getId() {
        let containerId = npmci_bash_1.bashBare('docker inspect --type=image --format=\"{{.Id}}\" ' + this.buildTag);
        return containerId;
    }
    ;
}
exports.Dockerfile = Dockerfile;
/**
 *
 */
exports.dockerFileVersion = function (dockerfileNameArg) {
    let versionString;
    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;
};
/**
 *
 */
exports.dockerBaseImage = function (dockerfileContentArg) {
    let baseImageRegex = /FROM\s([a-zA-z0-9\/\-\:]*)\n?/;
    let regexResultArray = baseImageRegex.exec(dockerfileContentArg);
    return regexResultArray[1];
};
/**
 *
 */
exports.dockerTag = function (registryArg, repoArg, versionArg, suffixArg) {
    let tagString;
    let registry = registryArg;
    let repo = repoArg;
    let version = versionArg;
    if (suffixArg) {
        version = versionArg + '_' + suffixArg;
    }
    ;
    tagString = registry + '/' + repo + ':' + version;
    return tagString;
};
/**
 *
 */
exports.cleanTagsArrayFunction = function (dockerfileArrayArg, trackingArrayArg) {
    let cleanTagsArray = [];
    dockerfileArrayArg.forEach(function (dockerfileArg) {
        if (trackingArrayArg.indexOf(dockerfileArg) === -1) {
            cleanTagsArray.push(dockerfileArg.cleanTag);
        }
    });
    return cleanTagsArray;
};
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