first pass

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}
+    `;
+};