mirror of
https://gitea.com/docker/metadata-action.git
synced 2024-11-22 20:19:33 +01:00
508 lines
16 KiB
TypeScript
508 lines
16 KiB
TypeScript
import * as handlebars from 'handlebars';
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import * as fs from 'fs';
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import * as path from 'path';
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import moment from 'moment';
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import * as pep440 from '@renovate/pep440';
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import * as semver from 'semver';
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import {Inputs, tmpDir} from './context';
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import {ReposGetResponseData} from './github';
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import * as icl from './image';
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import * as tcl from './tag';
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import * as fcl from './flavor';
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import * as core from '@actions/core';
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import {Context} from '@actions/github/lib/context';
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export interface Version {
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main: string | undefined;
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partial: string[];
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latest: boolean | undefined;
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}
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export class Meta {
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public readonly version: Version;
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private readonly inputs: Inputs;
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private readonly context: Context;
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private readonly repo: ReposGetResponseData;
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private readonly images: icl.Image[];
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private readonly tags: tcl.Tag[];
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private readonly flavor: fcl.Flavor;
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private readonly date: Date;
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constructor(inputs: Inputs, context: Context, repo: ReposGetResponseData) {
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// Needs to override Git reference with pr ref instead of upstream branch ref
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// for pull_request_target event
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// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
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if (/pull_request_target/.test(context.eventName)) {
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context.ref = `refs/pull/${context.payload.number}/merge`;
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}
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this.inputs = inputs;
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this.context = context;
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this.repo = repo;
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this.images = icl.Transform(inputs.images);
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this.tags = tcl.Transform(inputs.tags);
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this.flavor = fcl.Transform(inputs.flavor);
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this.date = new Date();
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this.version = this.getVersion();
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}
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private getVersion(): Version {
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let version: Version = {
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main: undefined,
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partial: [],
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latest: undefined
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};
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for (const tag of this.tags) {
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const enabled = this.setGlobalExp(tag.attrs['enable']);
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if (!['true', 'false'].includes(enabled)) {
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throw new Error(`Invalid value for enable attribute: ${enabled}`);
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}
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if (!/true/i.test(enabled)) {
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continue;
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}
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switch (tag.type) {
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case tcl.Type.Schedule: {
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version = this.procSchedule(version, tag);
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break;
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}
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case tcl.Type.Semver: {
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version = this.procSemver(version, tag);
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break;
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}
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case tcl.Type.Pep440: {
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version = this.procPep440(version, tag);
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break;
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}
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case tcl.Type.Match: {
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version = this.procMatch(version, tag);
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break;
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}
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case tcl.Type.Ref: {
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if (tag.attrs['event'] == tcl.RefEvent.Branch) {
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version = this.procRefBranch(version, tag);
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} else if (tag.attrs['event'] == tcl.RefEvent.Tag) {
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version = this.procRefTag(version, tag);
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} else if (tag.attrs['event'] == tcl.RefEvent.PR) {
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version = this.procRefPr(version, tag);
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}
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break;
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}
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case tcl.Type.Edge: {
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version = this.procEdge(version, tag);
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break;
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}
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case tcl.Type.Raw: {
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version = this.procRaw(version, tag);
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break;
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}
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case tcl.Type.Sha: {
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version = this.procSha(version, tag);
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break;
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}
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}
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}
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version.partial = version.partial.filter((item, index) => version.partial.indexOf(item) === index);
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if (version.latest == undefined) {
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version.latest = false;
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}
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return version;
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}
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private procSchedule(version: Version, tag: tcl.Tag): Version {
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if (!/schedule/.test(this.context.eventName)) {
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return version;
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}
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const currentDate = this.date;
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const vraw = this.setValue(
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handlebars.compile(tag.attrs['pattern'])({
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date: function (format) {
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return moment(currentDate).utc().format(format);
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}
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}),
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tag
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);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private procSemver(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/tags\//.test(this.context.ref) && tag.attrs['value'].length == 0) {
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return version;
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}
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let vraw: string;
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if (tag.attrs['value'].length > 0) {
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vraw = this.setGlobalExp(tag.attrs['value']);
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} else {
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vraw = this.context.ref.replace(/^refs\/tags\//g, '').replace(/\//g, '-');
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}
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if (!semver.valid(vraw)) {
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core.warning(`${vraw} is not a valid semver. More info: https://semver.org/`);
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return version;
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}
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let latest = false;
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const sver = semver.parse(vraw, {
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includePrerelease: true
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});
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if (semver.prerelease(vraw)) {
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if (Meta.isRawStatement(tag.attrs['pattern'])) {
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vraw = this.setValue(handlebars.compile(tag.attrs['pattern'])(sver), tag);
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} else {
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vraw = this.setValue(handlebars.compile('{{version}}')(sver), tag);
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}
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} else {
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vraw = this.setValue(handlebars.compile(tag.attrs['pattern'])(sver), tag);
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latest = true;
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}
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true');
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}
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private procPep440(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/tags\//.test(this.context.ref) && tag.attrs['value'].length == 0) {
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return version;
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}
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let vraw: string;
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if (tag.attrs['value'].length > 0) {
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vraw = this.setGlobalExp(tag.attrs['value']);
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} else {
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vraw = this.context.ref.replace(/^refs\/tags\//g, '').replace(/\//g, '-');
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}
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if (!pep440.valid(vraw)) {
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core.warning(`${vraw} does not conform to PEP 440. More info: https://www.python.org/dev/peps/pep-0440`);
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return version;
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}
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let latest = false;
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const pver = pep440.explain(vraw);
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if (pver.is_prerelease || pver.is_postrelease || pver.is_devrelease) {
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if (Meta.isRawStatement(tag.attrs['pattern'])) {
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vraw = this.setValue(vraw, tag);
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} else {
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vraw = this.setValue(pep440.clean(vraw), tag);
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}
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} else {
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vraw = this.setValue(
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handlebars.compile(tag.attrs['pattern'])({
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raw: function () {
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return vraw;
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},
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version: function () {
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return pep440.clean(vraw);
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},
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major: function () {
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return pep440.major(vraw);
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},
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minor: function () {
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return pep440.minor(vraw);
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},
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patch: function () {
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return pep440.patch(vraw);
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}
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}),
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tag
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);
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latest = true;
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}
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true');
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}
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private procMatch(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/tags\//.test(this.context.ref) && tag.attrs['value'].length == 0) {
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return version;
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}
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let vraw: string;
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if (tag.attrs['value'].length > 0) {
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vraw = this.setGlobalExp(tag.attrs['value']);
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} else {
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vraw = this.context.ref.replace(/^refs\/tags\//g, '');
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}
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let tmatch;
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const isRegEx = tag.attrs['pattern'].match(/^\/(.+)\/(.*)$/);
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if (isRegEx) {
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tmatch = vraw.match(new RegExp(isRegEx[1], isRegEx[2]));
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} else {
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tmatch = vraw.match(tag.attrs['pattern']);
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}
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if (!tmatch) {
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core.warning(`${tag.attrs['pattern']} does not match ${vraw}.`);
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return version;
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}
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if (typeof tmatch[tag.attrs['group']] === 'undefined') {
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core.warning(`Group ${tag.attrs['group']} does not exist for ${tag.attrs['pattern']} pattern.`);
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return version;
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}
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vraw = this.setValue(tmatch[tag.attrs['group']], tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? true : this.flavor.latest == 'true');
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}
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private procRefBranch(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/heads\//.test(this.context.ref)) {
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return version;
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}
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const vraw = this.setValue(this.context.ref.replace(/^refs\/heads\//g, ''), tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private procRefTag(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/tags\//.test(this.context.ref)) {
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return version;
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}
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const vraw = this.setValue(this.context.ref.replace(/^refs\/tags\//g, ''), tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? true : this.flavor.latest == 'true');
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}
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private procRefPr(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/pull\//.test(this.context.ref)) {
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return version;
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}
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const vraw = this.setValue(this.context.ref.replace(/^refs\/pull\//g, '').replace(/\/merge$/g, ''), tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private procEdge(version: Version, tag: tcl.Tag): Version {
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if (!/^refs\/heads\//.test(this.context.ref)) {
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return version;
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}
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const val = this.context.ref.replace(/^refs\/heads\//g, '');
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if (tag.attrs['branch'].length == 0) {
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tag.attrs['branch'] = this.repo.default_branch;
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}
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if (tag.attrs['branch'] != val) {
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return version;
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}
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const vraw = this.setValue('edge', tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private procRaw(version: Version, tag: tcl.Tag): Version {
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const vraw = this.setValue(this.setGlobalExp(tag.attrs['value']), tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private procSha(version: Version, tag: tcl.Tag): Version {
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if (!this.context.sha) {
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return version;
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}
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let val = this.context.sha;
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if (tag.attrs['format'] === tcl.ShaFormat.Short) {
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val = this.context.sha.substr(0, 7);
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}
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const vraw = this.setValue(val, tag);
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return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
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}
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private static setVersion(version: Version, val: string, latest: boolean): Version {
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if (val.length == 0) {
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return version;
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}
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val = Meta.sanitizeTag(val);
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if (version.main == undefined) {
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version.main = val;
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} else if (val !== version.main) {
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version.partial.push(val);
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}
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if (version.latest == undefined) {
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version.latest = latest;
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}
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return version;
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}
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public static isRawStatement(pattern: string): boolean {
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try {
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const hp = handlebars.parseWithoutProcessing(pattern);
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if (hp.body.length == 1 && hp.body[0].type == 'MustacheStatement') {
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return hp.body[0]['path']['parts'].length == 1 && hp.body[0]['path']['parts'][0] == 'raw';
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}
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} catch (err) {
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return false;
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}
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return false;
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}
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private setValue(val: string, tag: tcl.Tag): string {
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if (Object.prototype.hasOwnProperty.call(tag.attrs, 'prefix')) {
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val = `${this.setGlobalExp(tag.attrs['prefix'])}${val}`;
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} else if (this.flavor.prefix.length > 0) {
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val = `${this.setGlobalExp(this.flavor.prefix)}${val}`;
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}
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if (Object.prototype.hasOwnProperty.call(tag.attrs, 'suffix')) {
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val = `${val}${this.setGlobalExp(tag.attrs['suffix'])}`;
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} else if (this.flavor.suffix.length > 0) {
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val = `${val}${this.setGlobalExp(this.flavor.suffix)}`;
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}
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return val;
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}
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private setGlobalExp(val): string {
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const ctx = this.context;
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const currentDate = this.date;
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return handlebars.compile(val)({
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branch: function () {
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if (!/^refs\/heads\//.test(ctx.ref)) {
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return '';
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}
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return ctx.ref.replace(/^refs\/heads\//g, '');
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},
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tag: function () {
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if (!/^refs\/tags\//.test(ctx.ref)) {
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return '';
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}
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return ctx.ref.replace(/^refs\/tags\//g, '');
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},
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sha: function () {
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return ctx.sha.substr(0, 7);
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},
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base_ref: function () {
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if (/^refs\/tags\//.test(ctx.ref) && ctx.payload?.base_ref != undefined) {
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return ctx.payload.base_ref.replace(/^refs\/heads\//g, '');
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}
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// FIXME: keep this for backward compatibility even if doesn't always seem
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// to return the expected branch. See the comment below.
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if (/^refs\/pull\//.test(ctx.ref) && ctx.payload?.pull_request?.base?.ref != undefined) {
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return ctx.payload.pull_request.base.ref;
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}
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return '';
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},
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is_default_branch: function () {
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const branch = ctx.ref.replace(/^refs\/heads\//g, '');
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// TODO: "base_ref" is available in the push payload but doesn't always seem to
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// return the expected branch when the push tag event occurs. It's also not
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// documented in GitHub docs: https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#push
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// more context: https://github.com/docker/metadata-action/pull/192#discussion_r854673012
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// if (/^refs\/tags\//.test(ctx.ref) && ctx.payload?.base_ref != undefined) {
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// branch = ctx.payload.base_ref.replace(/^refs\/heads\//g, '');
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// }
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if (branch == undefined || branch.length == 0) {
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return 'false';
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}
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if (ctx.payload?.repository?.default_branch == branch) {
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return 'true';
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}
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// following events always trigger for last commit on default branch
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// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows
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if (/create/.test(ctx.eventName) || /discussion/.test(ctx.eventName) || /issues/.test(ctx.eventName) || /schedule/.test(ctx.eventName)) {
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return 'true';
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}
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return 'false';
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},
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date: function (format) {
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return moment(currentDate).utc().format(format);
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}
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});
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}
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private getImageNames(): Array<string> {
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const images: Array<string> = [];
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for (const image of this.images) {
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if (!image.enable) {
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continue;
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}
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images.push(Meta.sanitizeImageName(image.name));
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}
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return images;
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}
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public getTags(): Array<string> {
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if (!this.version.main) {
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return [];
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}
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const tags: Array<string> = [];
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for (const imageName of this.getImageNames()) {
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tags.push(`${imageName}:${this.version.main}`);
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for (const partial of this.version.partial) {
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tags.push(`${imageName}:${partial}`);
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}
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if (this.version.latest) {
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const latestTag = `${this.flavor.prefixLatest ? this.flavor.prefix : ''}latest${this.flavor.suffixLatest ? this.flavor.suffix : ''}`;
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tags.push(`${imageName}:${Meta.sanitizeTag(latestTag)}`);
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}
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}
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return tags;
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}
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public getLabels(): Array<string> {
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const labels: Array<string> = [
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`org.opencontainers.image.title=${this.repo.name || ''}`,
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`org.opencontainers.image.description=${this.repo.description || ''}`,
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`org.opencontainers.image.url=${this.repo.html_url || ''}`,
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`org.opencontainers.image.source=${this.repo.html_url || ''}`,
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`org.opencontainers.image.version=${this.version.main || ''}`,
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`org.opencontainers.image.created=${this.date.toISOString()}`,
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`org.opencontainers.image.revision=${this.context.sha || ''}`,
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`org.opencontainers.image.licenses=${this.repo.license?.spdx_id || ''}`
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];
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labels.push(...this.inputs.labels);
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return labels;
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}
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public getJSON(): unknown {
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return {
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tags: this.getTags(),
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labels: this.getLabels().reduce((res, label) => {
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const matches = label.match(/([^=]*)=(.*)/);
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if (!matches) {
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return res;
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}
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res[matches[1]] = matches[2];
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return res;
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}, {})
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};
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}
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public getBakeFile(): string {
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const bakeFile = path.join(tmpDir(), 'docker-metadata-action-bake.json').split(path.sep).join(path.posix.sep);
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fs.writeFileSync(
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bakeFile,
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JSON.stringify(
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{
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target: {
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[this.inputs.bakeTarget]: {
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tags: this.getTags(),
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labels: this.getLabels().reduce((res, label) => {
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const matches = label.match(/([^=]*)=(.*)/);
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if (!matches) {
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return res;
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}
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res[matches[1]] = matches[2];
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return res;
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|
}, {}),
|
|
args: {
|
|
DOCKER_META_IMAGES: this.getImageNames().join(','),
|
|
DOCKER_META_VERSION: this.version.main
|
|
}
|
|
}
|
|
}
|
|
},
|
|
null,
|
|
2
|
|
)
|
|
);
|
|
|
|
return bakeFile;
|
|
}
|
|
|
|
private static sanitizeImageName(name: string): string {
|
|
return name.toLowerCase();
|
|
}
|
|
|
|
private static sanitizeTag(tag: string): string {
|
|
return tag.replace(/[^a-zA-Z0-9._-]+/g, '-');
|
|
}
|
|
}
|