91 lines
3.0 KiB
TypeScript
91 lines
3.0 KiB
TypeScript
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// Imports
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import fetch from 'node-fetch';
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import {assertNotMissingOrEmpty} from './utils';
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// Constants
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const CIRCLE_CI_API_URL = 'https://circleci.com/api/v1.1/project/github';
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// Interfaces - Types
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export interface ArtifactInfo {
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path: string;
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pretty_path: string;
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node_index: number;
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url: string;
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}
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export type ArtifactResponse = ArtifactInfo[];
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export interface BuildInfo {
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reponame: string;
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failed: boolean;
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branch: string;
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username: string;
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build_num: number;
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has_artifacts: boolean;
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outcome: string; // e.g. 'success'
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vcs_revision: string; // HEAD SHA
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// there are other fields but they are not used in this code
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}
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/**
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* A Helper that can interact with the CircleCI API.
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*/
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export class CircleCiApi {
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private tokenParam = `circle-token=${this.circleCiToken}`;
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/**
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* Construct a helper that can interact with the CircleCI REST API.
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* @param githubOrg The Github organisation whose repos we want to access in CircleCI (e.g. angular).
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* @param githubRepo The Github repo whose builds we want to access in CircleCI (e.g. angular).
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* @param circleCiToken The CircleCI API access token (secret).
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*/
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constructor(
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private githubOrg: string,
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private githubRepo: string,
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private circleCiToken: string,
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) {
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assertNotMissingOrEmpty('githubOrg', githubOrg);
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assertNotMissingOrEmpty('githubRepo', githubRepo);
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assertNotMissingOrEmpty('circleCiToken', circleCiToken);
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}
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/**
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* Get the info for a build from the CircleCI API
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* @param buildNumber The CircleCI build number that generated the artifact.
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* @returns A promise to the info about the build
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*/
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public async getBuildInfo(buildNumber: number) {
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try {
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const baseUrl = `${CIRCLE_CI_API_URL}/${this.githubOrg}/${this.githubRepo}/${buildNumber}`;
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const response = await fetch(`${baseUrl}?${this.tokenParam}`);
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if (response.status !== 200) {
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throw new Error(`${baseUrl}: ${response.status} - ${response.statusText}`);
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}
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return response.json<BuildInfo>();
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} catch (error) {
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throw new Error(`CircleCI build info request failed (${error.message})`);
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}
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}
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/**
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* Query the CircleCI API to get a URL for a specified artifact from a specified build.
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* @param artifactPath The path, within the build to the artifact.
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* @returns A promise to the URL that can be requested to download the actual build artifact file.
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*/
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public async getBuildArtifactUrl(buildNumber: number, artifactPath: string) {
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const baseUrl = `${CIRCLE_CI_API_URL}/${this.githubOrg}/${this.githubRepo}/${buildNumber}`;
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try {
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const response = await fetch(`${baseUrl}/artifacts?${this.tokenParam}`);
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const artifacts = await response.json<ArtifactResponse>();
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const artifact = artifacts.find(item => item.path === artifactPath);
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if (!artifact) {
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throw new Error(`Missing artifact (${artifactPath}) for CircleCI build: ${buildNumber}`);
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}
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return artifact.url;
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} catch (error) {
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throw new Error(`CircleCI artifact URL request failed (${error.message})`);
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}
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}
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}
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