feat: reimplement integrations

app/integration/docker.ts

@@ -1,149 +0,0 @@
-import { access, constants } from 'node:fs/promises';
-import { setTimeout } from 'node:timers/promises';
-
-import { Client } from 'undici';
-
-import { HeadscaleError, pull } from '~/utils/headscale';
-import log from '~/utils/log';
-
-import { createIntegration } from './integration';
-
-interface Context {
-	client: Client | undefined;
-	container: string | undefined;
-	maxAttempts: number;
-}
-
-export default createIntegration<Context>({
-	name: 'Docker',
-	context: {
-		client: undefined,
-		container: undefined,
-		maxAttempts: 10,
-	},
-	isAvailable: async (context) => {
-		// Check for the HEADSCALE_CONTAINER environment variable first
-		// to avoid unnecessary fetching of the Docker socket
-		log.debug('INTG', 'Checking Docker integration availability');
-		context.container = process.env.HEADSCALE_CONTAINER?.trim().toLowerCase();
-
-		if (!context.container || context.container.length === 0) {
-			log.error('INTG', 'Missing HEADSCALE_CONTAINER variable');
-			return false;
-		}
-
-		log.info('INTG', 'Using container: %s', context.container);
-		const path = process.env.DOCKER_SOCK ?? 'unix:///var/run/docker.sock';
-		let url: URL | undefined;
-
-		try {
-			url = new URL(path);
-		} catch {
-			log.error('INTG', 'Invalid Docker socket path: %s', path);
-			return false;
-		}
-
-		if (url.protocol !== 'tcp:' && url.protocol !== 'unix:') {
-			log.error('INTG', 'Invalid Docker socket protocol: %s', url.protocol);
-			return false;
-		}
-
-		// The API is available as an HTTP endpoint and this
-		// will simplify the fetching logic in undici
-		if (url.protocol === 'tcp:') {
-			// Apparently setting url.protocol doesn't work anymore?
-			const fetchU = url.href.replace(url.protocol, 'http:');
-
-			try {
-				log.info('INTG', 'Checking API: %s', fetchU);
-				await fetch(new URL('/v1.30/version', fetchU).href);
-			} catch (error) {
-				log.debug('INTG', 'Failed to connect to Docker API', error);
-				log.error('INTG', 'Failed to connect to Docker API');
-				return false;
-			}
-
-			context.client = new Client(fetchU);
-		}
-
-		// Check if the socket is accessible
-		if (url.protocol === 'unix:') {
-			try {
-				log.info('INTG', 'Checking socket: %s', url.pathname);
-				await access(url.pathname, constants.R_OK);
-			} catch (error) {
-				log.debug('INTG', 'Failed to access Docker socket: %s', error);
-				log.error('INTG', 'Failed to access Docker socket: %s', path);
-				return false;
-			}
-
-			context.client = new Client('http://localhost', {
-				socketPath: url.pathname,
-			});
-		}
-
-		return context.client !== undefined;
-	},
-
-	onConfigChange: async (context) => {
-		if (!context.client || !context.container) {
-			return;
-		}
-
-		log.info('INTG', 'Restarting Headscale via Docker');
-
-		let attempts = 0;
-		while (attempts <= context.maxAttempts) {
-			log.debug(
-				'INTG',
-				'Restarting container: %s (attempt %d)',
-				context.container,
-				attempts,
-			);
-
-			const response = await context.client.request({
-				method: 'POST',
-				path: `/v1.30/containers/${context.container}/restart`,
-			});
-
-			if (response.statusCode !== 204) {
-				if (attempts < context.maxAttempts) {
-					attempts++;
-					await setTimeout(1000);
-					continue;
-				}
-
-				const stringCode = response.statusCode.toString();
-				const body = await response.body.text();
-				throw new Error(`API request failed: ${stringCode} ${body}`);
-			}
-
-			break;
-		}
-
-		attempts = 0;
-		while (attempts <= context.maxAttempts) {
-			try {
-				log.debug('INTG', 'Checking Headscale status (attempt %d)', attempts);
-				await pull('v1', '');
-				return;
-			} catch (error) {
-				if (error instanceof HeadscaleError && error.status === 401) {
-					break;
-				}
-
-				if (error instanceof HeadscaleError && error.status === 404) {
-					break;
-				}
-
-				if (attempts < context.maxAttempts) {
-					attempts++;
-					await setTimeout(1000);
-					continue;
-				}
-
-				throw new Error(`Missed restart deadline for ${context.container}`);
-			}
-		}
-	},
-});