feat(systemd): replace smartdaemon-based service management with native systemd commands

ts/classes/systemd.ts

@@ -0,0 +1,185 @@
+/**
+ * Systemd Service Manager for Onebox
+ *
+ * Handles systemd unit file installation, enabling, starting, stopping,
+ * and status checking. Modeled on nupst's direct systemctl approach —
+ * no external library dependencies.
+ */
+
+import { logger } from '../logging.ts';
+import { getErrorMessage } from '../utils/error.ts';
+
+const SERVICE_NAME = 'onebox';
+const SERVICE_FILE_PATH = '/etc/systemd/system/onebox.service';
+
+const SERVICE_UNIT_TEMPLATE = `[Unit]
+Description=Onebox - Self-hosted container platform
+After=network-online.target docker.service
+Wants=network-online.target
+Requires=docker.service
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/onebox systemd start-daemon
+Restart=always
+RestartSec=10
+WorkingDirectory=/var/lib/onebox
+Environment=PATH=/usr/bin:/usr/local/bin
+
+[Install]
+WantedBy=multi-user.target
+`;
+
+export class OneboxSystemd {
+  /**
+   * Install and enable the systemd service
+   */
+  async enable(): Promise<void> {
+    try {
+      // Write the unit file
+      logger.info('Writing systemd unit file...');
+      await Deno.writeTextFile(SERVICE_FILE_PATH, SERVICE_UNIT_TEMPLATE);
+      logger.info(`Unit file written to ${SERVICE_FILE_PATH}`);
+
+      // Reload systemd daemon
+      await this.runSystemctl(['daemon-reload']);
+
+      // Enable the service
+      const result = await this.runSystemctl(['enable', `${SERVICE_NAME}.service`]);
+      if (!result.success) {
+        throw new Error(`Failed to enable service: ${result.stderr}`);
+      }
+
+      logger.success('Onebox systemd service enabled');
+      logger.info('Start with: onebox systemd start');
+    } catch (error) {
+      logger.error(`Failed to enable service: ${getErrorMessage(error)}`);
+      throw error;
+    }
+  }
+
+  /**
+   * Stop, disable, and remove the systemd service
+   */
+  async disable(): Promise<void> {
+    try {
+      // Stop the service (ignore errors if not running)
+      await this.runSystemctl(['stop', `${SERVICE_NAME}.service`]);
+
+      // Disable the service
+      await this.runSystemctl(['disable', `${SERVICE_NAME}.service`]);
+
+      // Remove the unit file
+      try {
+        await Deno.remove(SERVICE_FILE_PATH);
+        logger.info(`Removed ${SERVICE_FILE_PATH}`);
+      } catch {
+        // File might not exist
+      }
+
+      // Reload systemd daemon
+      await this.runSystemctl(['daemon-reload']);
+
+      logger.success('Onebox systemd service disabled and removed');
+    } catch (error) {
+      logger.error(`Failed to disable service: ${getErrorMessage(error)}`);
+      throw error;
+    }
+  }
+
+  /**
+   * Start the service via systemctl
+   */
+  async start(): Promise<void> {
+    const result = await this.runSystemctl(['start', `${SERVICE_NAME}.service`]);
+    if (!result.success) {
+      logger.error(`Failed to start service: ${result.stderr}`);
+      throw new Error(`Failed to start onebox service`);
+    }
+    logger.success('Onebox service started');
+  }
+
+  /**
+   * Stop the service via systemctl
+   */
+  async stop(): Promise<void> {
+    const result = await this.runSystemctl(['stop', `${SERVICE_NAME}.service`]);
+    if (!result.success) {
+      logger.error(`Failed to stop service: ${result.stderr}`);
+      throw new Error(`Failed to stop onebox service`);
+    }
+    logger.success('Onebox service stopped');
+  }
+
+  /**
+   * Get and display service status
+   */
+  async getStatus(): Promise<string> {
+    const result = await this.runSystemctl(['status', `${SERVICE_NAME}.service`]);
+    const output = result.stdout;
+
+    let status: string;
+    if (output.includes('active (running)')) {
+      status = 'running';
+    } else if (output.includes('inactive') || output.includes('dead')) {
+      status = 'stopped';
+    } else if (output.includes('failed')) {
+      status = 'failed';
+    } else if (!result.success && result.stderr.includes('could not be found')) {
+      status = 'not-installed';
+    } else {
+      status = 'unknown';
+    }
+
+    // Print the raw systemctl output for full details
+    if (output.trim()) {
+      console.log(output);
+    }
+
+    return status;
+  }
+
+  /**
+   * Show service logs via journalctl
+   */
+  async showLogs(): Promise<void> {
+    const cmd = new Deno.Command('journalctl', {
+      args: ['-u', `${SERVICE_NAME}.service`, '-f'],
+      stdout: 'inherit',
+      stderr: 'inherit',
+    });
+    await cmd.output();
+  }
+
+  /**
+   * Check if the service unit file is installed
+   */
+  async isInstalled(): Promise<boolean> {
+    try {
+      await Deno.stat(SERVICE_FILE_PATH);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+
+  /**
+   * Run a systemctl command and return results
+   */
+  private async runSystemctl(
+    args: string[]
+  ): Promise<{ success: boolean; stdout: string; stderr: string }> {
+    const cmd = new Deno.Command('systemctl', {
+      args,
+      stdout: 'piped',
+      stderr: 'piped',
+    });
+
+    const result = await cmd.output();
+    return {
+      success: result.success,
+      stdout: new TextDecoder().decode(result.stdout),
+      stderr: new TextDecoder().decode(result.stderr),
+    };
+  }
+}