feat(daemon): add automatic update mechanism (Updater), switch to system journal logs, and expose update controls in the UI

ecoos_daemon/ts/daemon/updater.ts

@@ -0,0 +1,270 @@
+/**
+ * Updater
+ *
+ * Handles checking for updates, downloading new versions, and performing upgrades
+ */
+
+import { VERSION } from '../version.ts';
+import { runCommand } from '../utils/command.ts';
+
+export interface Release {
+  version: string;
+  tagName: string;
+  publishedAt: Date;
+  downloadUrl: string;
+  isCurrent: boolean;
+  isNewer: boolean;
+  ageHours: number;
+}
+
+export interface AutoUpgradeStatus {
+  enabled: boolean;
+  targetVersion: string | null;
+  scheduledIn: string | null;
+  waitingForStability: boolean;
+}
+
+export interface UpdateInfo {
+  currentVersion: string;
+  releases: Release[];
+  autoUpgrade: AutoUpgradeStatus;
+  lastCheck: string | null;
+}
+
+interface GiteaRelease {
+  id: number;
+  tag_name: string;
+  name: string;
+  body: string;
+  published_at: string;
+  assets: GiteaAsset[];
+}
+
+interface GiteaAsset {
+  id: number;
+  name: string;
+  browser_download_url: string;
+  size: number;
+}
+
+export class Updater {
+  private repoApiUrl = 'https://code.foss.global/api/v1/repos/ecobridge/eco-os/releases';
+  private binaryPath = '/opt/eco/bin/eco-daemon';
+  private releases: Release[] = [];
+  private lastCheck: Date | null = null;
+  private logFn: (msg: string) => void;
+
+  constructor(logFn: (msg: string) => void) {
+    this.logFn = logFn;
+  }
+
+  private log(message: string): void {
+    this.logFn(`[Updater] ${message}`);
+  }
+
+  /**
+   * Compare semantic versions
+   * Returns: -1 if a < b, 0 if a == b, 1 if a > b
+   */
+  private compareVersions(a: string, b: string): number {
+    const partsA = a.replace(/^v/, '').split('.').map(Number);
+    const partsB = b.replace(/^v/, '').split('.').map(Number);
+
+    for (let i = 0; i < Math.max(partsA.length, partsB.length); i++) {
+      const numA = partsA[i] || 0;
+      const numB = partsB[i] || 0;
+      if (numA < numB) return -1;
+      if (numA > numB) return 1;
+    }
+    return 0;
+  }
+
+  /**
+   * Fetch available releases from Gitea
+   */
+  async checkForUpdates(): Promise<Release[]> {
+    this.log('Checking for updates...');
+
+    try {
+      const response = await fetch(this.repoApiUrl);
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+      }
+
+      const giteaReleases: GiteaRelease[] = await response.json();
+      const currentVersion = VERSION;
+      const now = new Date();
+
+      this.releases = giteaReleases
+        .filter((r) => r.tag_name.startsWith('v'))
+        .map((r) => {
+          const version = r.tag_name.replace(/^v/, '');
+          const publishedAt = new Date(r.published_at);
+          const ageMs = now.getTime() - publishedAt.getTime();
+          const ageHours = ageMs / (1000 * 60 * 60);
+
+          // Find the daemon binary asset
+          const daemonAsset = r.assets.find((a) =>
+            a.name.includes('eco-daemon')
+          );
+
+          return {
+            version,
+            tagName: r.tag_name,
+            publishedAt,
+            downloadUrl: daemonAsset?.browser_download_url || '',
+            isCurrent: version === currentVersion,
+            isNewer: this.compareVersions(version, currentVersion) > 0,
+            ageHours: Math.round(ageHours * 10) / 10,
+          };
+        })
+        .filter((r) => r.downloadUrl) // Only include releases with daemon binary
+        .sort((a, b) => this.compareVersions(b.version, a.version)); // Newest first
+
+      this.lastCheck = now;
+      this.log(`Found ${this.releases.length} releases, ${this.releases.filter((r) => r.isNewer).length} newer than current`);
+
+      return this.releases;
+    } catch (error) {
+      this.log(`Failed to check for updates: ${error}`);
+      return this.releases;
+    }
+  }
+
+  /**
+   * Get cached releases (call checkForUpdates first)
+   */
+  getReleases(): Release[] {
+    return this.releases;
+  }
+
+  /**
+   * Determine if auto-upgrade should happen and to which version
+   */
+  getAutoUpgradeStatus(): AutoUpgradeStatus {
+    const newerReleases = this.releases.filter((r) => r.isNewer);
+
+    if (newerReleases.length === 0) {
+      return {
+        enabled: true,
+        targetVersion: null,
+        scheduledIn: null,
+        waitingForStability: false,
+      };
+    }
+
+    // Find the latest newer release
+    const latest = newerReleases[0];
+    const hoursUntilUpgrade = 24 - latest.ageHours;
+
+    if (hoursUntilUpgrade <= 0) {
+      // Ready to upgrade now
+      return {
+        enabled: true,
+        targetVersion: latest.version,
+        scheduledIn: 'now',
+        waitingForStability: false,
+      };
+    }
+
+    // Still waiting for stability period
+    const hours = Math.floor(hoursUntilUpgrade);
+    const minutes = Math.round((hoursUntilUpgrade - hours) * 60);
+    const scheduledIn = hours > 0 ? `${hours}h ${minutes}m` : `${minutes}m`;
+
+    return {
+      enabled: true,
+      targetVersion: latest.version,
+      scheduledIn,
+      waitingForStability: true,
+    };
+  }
+
+  /**
+   * Get full update info for API response
+   */
+  getUpdateInfo(): UpdateInfo {
+    return {
+      currentVersion: VERSION,
+      releases: this.releases,
+      autoUpgrade: this.getAutoUpgradeStatus(),
+      lastCheck: this.lastCheck?.toISOString() || null,
+    };
+  }
+
+  /**
+   * Download and install a specific version
+   */
+  async upgradeToVersion(version: string): Promise<{ success: boolean; message: string }> {
+    const release = this.releases.find((r) => r.version === version);
+
+    if (!release) {
+      return { success: false, message: `Version ${version} not found` };
+    }
+
+    if (release.isCurrent) {
+      return { success: false, message: `Already running version ${version}` };
+    }
+
+    this.log(`Starting upgrade to version ${version}...`);
+
+    try {
+      // Download new binary
+      const tempPath = '/tmp/eco-daemon-new';
+      this.log(`Downloading from ${release.downloadUrl}...`);
+
+      const response = await fetch(release.downloadUrl);
+      if (!response.ok) {
+        throw new Error(`Download failed: HTTP ${response.status}`);
+      }
+
+      const data = await response.arrayBuffer();
+      await Deno.writeFile(tempPath, new Uint8Array(data));
+
+      // Verify download
+      const stat = await Deno.stat(tempPath);
+      if (stat.size < 1000000) {
+        // Daemon should be at least 1MB
+        throw new Error(`Downloaded file too small: ${stat.size} bytes`);
+      }
+      this.log(`Downloaded ${stat.size} bytes`);
+
+      // Make executable
+      await Deno.chmod(tempPath, 0o755);
+
+      // Replace binary
+      this.log('Replacing binary...');
+      await runCommand('mv', [tempPath, this.binaryPath]);
+      await Deno.chmod(this.binaryPath, 0o755);
+
+      // Restart daemon via systemd
+      this.log('Restarting daemon...');
+      // Use spawn to avoid waiting for the restart
+      const restartCmd = new Deno.Command('systemctl', {
+        args: ['restart', 'eco-daemon'],
+        stdout: 'null',
+        stderr: 'null',
+      });
+      restartCmd.spawn();
+
+      return { success: true, message: `Upgrading to v${version}...` };
+    } catch (error) {
+      this.log(`Upgrade failed: ${error}`);
+      return { success: false, message: String(error) };
+    }
+  }
+
+  /**
+   * Check and perform auto-upgrade if conditions are met
+   */
+  async checkAutoUpgrade(): Promise<void> {
+    await this.checkForUpdates();
+
+    const status = this.getAutoUpgradeStatus();
+
+    if (status.targetVersion && status.scheduledIn === 'now') {
+      this.log(`Auto-upgrading to version ${status.targetVersion}...`);
+      await this.upgradeToVersion(status.targetVersion);
+    }
+  }
+}