first pass

src/config.ts

@@ -0,0 +1,29 @@
+import userConfig from "../config";
+import hash from "object-hash";
+
+export type DeployerConfig = {
+	services: {
+		[host: string]: {
+			user: string;
+			repo: string;
+			branch: string;
+		};
+	};
+	giteaUrl: string;
+	directory: string;
+	basePort: number;
+	token: string;
+	systemServicesDir: string;
+};
+
+export const config = userConfig as DeployerConfig;
+export const indexedConfig = Object.fromEntries(
+	Object.entries(config.services).map(([host, service], i) => [
+		hash(service),
+		{
+			...service,
+			host,
+			port: config.basePort + i,
+		},
+	])
+);

src/deploy.ts

@@ -0,0 +1,68 @@
+import { $ } from "bun";
+import path from "path";
+import { config } from "./config";
+
+type DeployInstance = {
+	host: string;
+	user: string;
+	repo: string;
+	branch: string;
+	commitHash: string;
+	port: number;
+};
+
+export const deploy = async ({
+	host,
+	user,
+	repo,
+	branch,
+	port,
+	commitHash,
+}: DeployInstance) => {
+	const deploymentId = new Date().toISOString();
+
+	const serviceDir = path.join(config.directory, host);
+
+	// Fetch
+	await $`
+	cd ${serviceDir}
+	mkdir -p src
+	mkdir -p logs
+	git clone \
+	    -b ${branch} \
+	    http://deployer:${config.token}@${config.giteaUrl}/${user}/${repo} \
+	    ${serviceDir}/src
+	cd src
+	git fetch origin ${branch}
+	git reset --hard origin/${branch}
+	git checkout ${commitHash}
+	`;
+
+	// Build
+	await $`
+	cd ${serviceDir}/src
+	make build
+	`;
+
+	// Register service
+	const systemdServiceName = `deployer-${host}.service`;
+	await $`
+    cat template.service | envsubst > ${serviceDir}/${systemdServiceName}
+    ln -sf ${serviceDir}/${systemdServiceName} ${config.systemServicesDir}/${systemdServiceName}
+    `.env({
+		host,
+		port: port.toString(),
+		repo,
+		branch,
+		commitHash,
+		deploymentId,
+		logsDir: path.join(serviceDir, "logs"),
+		serviceDir,
+	});
+
+	// Start!
+	await $`
+    systemctl daemon-reload
+    systemctl restart ${systemdServiceName}
+    `;
+};

src/giteaTypes.ts

@@ -0,0 +1,216 @@
+export interface PushEvent {
+	ref: string;
+	before: string;
+	after: string;
+	compare_url: string;
+	commits: Commit[];
+	total_commits: number;
+	head_commit: HeadCommit;
+	repository: Repository;
+	pusher: Pusher;
+	sender: Sender;
+}
+
+export interface Commit {
+	id: string;
+	message: string;
+	url: string;
+	author: Author;
+	committer: Committer;
+	verification: any;
+	timestamp: string;
+	added: any;
+	removed: any;
+	modified: any;
+}
+
+export interface Author {
+	name: string;
+	email: string;
+	username: string;
+}
+
+export interface Committer {
+	name: string;
+	email: string;
+	username: string;
+}
+
+export interface HeadCommit {
+	id: string;
+	message: string;
+	url: string;
+	author: Author2;
+	committer: Committer2;
+	verification: any;
+	timestamp: string;
+	added: any;
+	removed: any;
+	modified: any;
+}
+
+export interface Author2 {
+	name: string;
+	email: string;
+	username: string;
+}
+
+export interface Committer2 {
+	name: string;
+	email: string;
+	username: string;
+}
+
+export interface Repository {
+	id: number;
+	owner: Owner;
+	name: string;
+	full_name: string;
+	description: string;
+	empty: boolean;
+	private: boolean;
+	fork: boolean;
+	template: boolean;
+	mirror: boolean;
+	size: number;
+	language: string;
+	languages_url: string;
+	html_url: string;
+	url: string;
+	link: string;
+	ssh_url: string;
+	clone_url: string;
+	original_url: string;
+	website: string;
+	stars_count: number;
+	forks_count: number;
+	watchers_count: number;
+	open_issues_count: number;
+	open_pr_counter: number;
+	release_counter: number;
+	default_branch: string;
+	archived: boolean;
+	created_at: string;
+	updated_at: string;
+	archived_at: string;
+	permissions: Permissions;
+	has_code: boolean;
+	has_issues: boolean;
+	internal_tracker: InternalTracker;
+	has_wiki: boolean;
+	has_pull_requests: boolean;
+	has_projects: boolean;
+	projects_mode: string;
+	has_releases: boolean;
+	has_packages: boolean;
+	has_actions: boolean;
+	ignore_whitespace_conflicts: boolean;
+	allow_merge_commits: boolean;
+	allow_rebase: boolean;
+	allow_rebase_explicit: boolean;
+	allow_squash_merge: boolean;
+	allow_fast_forward_only_merge: boolean;
+	allow_rebase_update: boolean;
+	allow_manual_merge: boolean;
+	autodetect_manual_merge: boolean;
+	default_delete_branch_after_merge: boolean;
+	default_merge_style: string;
+	default_allow_maintainer_edit: boolean;
+	avatar_url: string;
+	internal: boolean;
+	mirror_interval: string;
+	object_format_name: string;
+	mirror_updated: string;
+	topics: any[];
+	licenses: any[];
+}
+
+export interface Owner {
+	id: number;
+	login: string;
+	login_name: string;
+	source_id: number;
+	full_name: string;
+	email: string;
+	avatar_url: string;
+	html_url: string;
+	language: string;
+	is_admin: boolean;
+	last_login: string;
+	created: string;
+	restricted: boolean;
+	active: boolean;
+	prohibit_login: boolean;
+	location: string;
+	website: string;
+	description: string;
+	visibility: string;
+	followers_count: number;
+	following_count: number;
+	starred_repos_count: number;
+	username: string;
+}
+
+export interface Permissions {
+	admin: boolean;
+	push: boolean;
+	pull: boolean;
+}
+
+export interface InternalTracker {
+	enable_time_tracker: boolean;
+	allow_only_contributors_to_track_time: boolean;
+	enable_issue_dependencies: boolean;
+}
+
+export interface Pusher {
+	id: number;
+	login: string;
+	login_name: string;
+	source_id: number;
+	full_name: string;
+	email: string;
+	avatar_url: string;
+	html_url: string;
+	language: string;
+	is_admin: boolean;
+	last_login: string;
+	created: string;
+	restricted: boolean;
+	active: boolean;
+	prohibit_login: boolean;
+	location: string;
+	website: string;
+	description: string;
+	visibility: string;
+	followers_count: number;
+	following_count: number;
+	starred_repos_count: number;
+	username: string;
+}
+
+export interface Sender {
+	id: number;
+	login: string;
+	login_name: string;
+	source_id: number;
+	full_name: string;
+	email: string;
+	avatar_url: string;
+	html_url: string;
+	language: string;
+	is_admin: boolean;
+	last_login: string;
+	created: string;
+	restricted: boolean;
+	active: boolean;
+	prohibit_login: boolean;
+	location: string;
+	website: string;
+	description: string;
+	visibility: string;
+	followers_count: number;
+	following_count: number;
+	starred_repos_count: number;
+	username: string;
+}

src/index.ts

@@ -0,0 +1,42 @@
+import { Elysia } from "elysia";
+import hash from "object-hash";
+import { indexedConfig } from "./config";
+import { deploy } from "./deploy";
+import { PushEvent } from "./giteaTypes";
+
+const port = 6001;
+
+new Elysia()
+	.onError(({ error }) => console.error(error))
+	.onRequest(({ request }) => {
+		console.log(request.method, new URL(request.url).pathname);
+	})
+	.get("/ping", () => "pong")
+	.post("/gitea", ({ body }) => {
+		const event = body as PushEvent;
+
+		const user = event.repository.owner.username;
+		const repo = event.repository.name;
+		const branch = event.ref.replace(/^(refs\/heads\/)/, "");
+		const commitHash = event.before;
+
+		const service =
+			indexedConfig[
+				hash({
+					user,
+					repo,
+					branch,
+				})
+			];
+
+		if (service == null) {
+			console.error(`No service defined for ${user}/${repo}:${branch}`);
+			return;
+		}
+
+		void deploy({ ...service, commitHash });
+		return "deploying";
+	})
+	.listen(port);
+
+console.log(`started deployer2 on :${port}`);