Files
actions-toolkit/src/buildx/imagetools.ts
2025-10-28 11:35:08 +01:00

98 lines
3.6 KiB
TypeScript

/**
* Copyright 2025 actions-toolkit authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {Buildx} from './buildx';
import {Exec} from '../exec';
import {Manifest as ImageToolsManifest} from '../types/buildx/imagetools';
import {Image} from '../types/oci/config';
import {Descriptor} from '../types/oci/descriptor';
import {Digest} from '../types/oci/digest';
export interface ImageToolsOpts {
buildx?: Buildx;
}
export class ImageTools {
private readonly buildx: Buildx;
constructor(opts?: ImageToolsOpts) {
this.buildx = opts?.buildx || new Buildx();
}
public async getCommand(args: Array<string>) {
return await this.buildx.getCommand(['imagetools', ...args]);
}
public async getInspectCommand(args: Array<string>) {
return await this.getCommand(['inspect', ...args]);
}
public async inspectImage(name: string): Promise<Record<string, Image> | Image> {
const cmd = await this.getInspectCommand([name, '--format', '{{json .Image}}']);
return await Exec.getExecOutput(cmd.command, cmd.args, {
ignoreReturnCode: true,
silent: true
}).then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
throw new Error(res.stderr.trim());
}
const parsedOutput = JSON.parse(res.stdout);
if (typeof parsedOutput === 'object' && !Array.isArray(parsedOutput) && parsedOutput !== null) {
if (Object.prototype.hasOwnProperty.call(parsedOutput, 'config')) {
return <Image>parsedOutput;
} else {
return <Record<string, Image>>parsedOutput;
}
}
throw new Error('Unexpected output format');
});
}
public async inspectManifest(name: string): Promise<ImageToolsManifest | Descriptor> {
const cmd = await this.getInspectCommand([name, '--format', '{{json .Manifest}}']);
return await Exec.getExecOutput(cmd.command, cmd.args, {
ignoreReturnCode: true,
silent: true
}).then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
throw new Error(res.stderr.trim());
}
const parsedOutput = JSON.parse(res.stdout);
if (typeof parsedOutput === 'object' && !Array.isArray(parsedOutput) && parsedOutput !== null) {
if (Object.prototype.hasOwnProperty.call(parsedOutput, 'manifests')) {
return <ImageToolsManifest>parsedOutput;
} else {
return <Descriptor>parsedOutput;
}
}
throw new Error('Unexpected output format');
});
}
public async attestationDescriptors(name: string): Promise<Array<Descriptor>> {
const manifest = await this.inspectManifest(name);
if (typeof manifest === 'object' && manifest !== null && 'manifests' in manifest && Array.isArray(manifest.manifests)) {
return manifest.manifests.filter(m => m.annotations && m.annotations['vnd.docker.reference.type'] === 'attestation-manifest');
}
throw new Error(`No attestation descriptors found for ${name}`);
}
public async attestationDigests(name: string): Promise<Array<Digest>> {
return (await this.attestationDescriptors(name)).map(attestation => attestation.digest);
}
}