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context.ts
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context.ts
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import * as core from '@actions/core';
import * as handlebars from 'handlebars';
import {Bake} from '@docker/actions-toolkit/lib/buildx/bake';
import {Build} from '@docker/actions-toolkit/lib/buildx/build';
import {Context} from '@docker/actions-toolkit/lib/context';
import {GitHub} from '@docker/actions-toolkit/lib/github';
import {Toolkit} from '@docker/actions-toolkit/lib/toolkit';
import {Util} from '@docker/actions-toolkit/lib/util';
import {BakeDefinition} from '@docker/actions-toolkit/lib/types/buildx/bake';
export interface Inputs {
builder: string;
files: string[];
workdir: string;
targets: string[];
'no-cache': boolean;
pull: boolean;
load: boolean;
provenance: string;
push: boolean;
sbom: string;
set: string[];
source: string;
'github-token': string;
}
export async function getInputs(): Promise<Inputs> {
return {
builder: core.getInput('builder'),
files: Util.getInputList('files'),
workdir: core.getInput('workdir') || '.',
targets: Util.getInputList('targets'),
'no-cache': core.getBooleanInput('no-cache'),
pull: core.getBooleanInput('pull'),
load: core.getBooleanInput('load'),
provenance: Build.getProvenanceInput('provenance'),
push: core.getBooleanInput('push'),
sbom: core.getInput('sbom'),
set: Util.getInputList('set', {ignoreComma: true, quote: false}),
source: getSourceInput('source'),
'github-token': core.getInput('github-token')
};
}
export function sanitizeInputs(inputs: Inputs) {
const res = {};
for (const key of Object.keys(inputs)) {
if (key === 'github-token') {
continue;
}
const value: string | string[] | boolean = inputs[key];
if (typeof value === 'boolean' && value === false) {
continue;
} else if (Array.isArray(value) && value.length === 0) {
continue;
} else if (!value) {
continue;
}
if (key === 'workdir' && value === '.') {
continue;
}
res[key] = value;
}
return res;
}
export async function getArgs(inputs: Inputs, definition: BakeDefinition, toolkit: Toolkit): Promise<Array<string>> {
// prettier-ignore
return [
...await getBakeArgs(inputs, definition, toolkit),
...await getCommonArgs(inputs),
...inputs.targets
];
}
async function getBakeArgs(inputs: Inputs, definition: BakeDefinition, toolkit: Toolkit): Promise<Array<string>> {
const args: Array<string> = ['bake'];
if (inputs.source) {
args.push(inputs.source);
}
await Util.asyncForEach(inputs.files, async file => {
args.push('--file', file);
});
await Util.asyncForEach(inputs.set, async set => {
args.push('--set', set);
});
if (await toolkit.buildx.versionSatisfies('>=0.6.0')) {
args.push('--metadata-file', toolkit.buildxBake.getMetadataFilePath());
}
if (await toolkit.buildx.versionSatisfies('>=0.10.0')) {
if (inputs.provenance) {
args.push('--provenance', inputs.provenance);
} else if ((await toolkit.buildkit.versionSatisfies(inputs.builder, '>=0.11.0')) && !Bake.hasDockerExporter(definition, inputs.load)) {
// if provenance not specified and BuildKit version compatible for
// attestation, set default provenance. Also needs to make sure user
// doesn't want to explicitly load the image to docker.
if (GitHub.context.payload.repository?.private ?? false) {
// if this is a private repository, we set the default provenance
// attributes being set in buildx: https://github.com/docker/buildx/blob/fb27e3f919dcbf614d7126b10c2bc2d0b1927eb6/build/build.go#L603
args.push('--provenance', Build.resolveProvenanceAttrs(`mode=min,inline-only=true`));
} else {
// for a public repository, we set max provenance mode.
args.push('--provenance', Build.resolveProvenanceAttrs(`mode=max`));
}
}
if (inputs.sbom) {
args.push('--sbom', inputs.sbom);
}
}
return args;
}
async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
const args: Array<string> = [];
if (inputs['no-cache']) {
args.push('--no-cache');
}
if (inputs.builder) {
args.push('--builder', inputs.builder);
}
if (inputs.pull) {
args.push('--pull');
}
if (inputs.load) {
args.push('--load');
}
if (inputs.push) {
args.push('--push');
}
return args;
}
function getSourceInput(name: string): string {
let source = handlebars.compile(core.getInput(name))({
defaultContext: Context.gitContext()
});
if (source === '.') {
source = '';
}
return source;
}