feat: @uncaged/pulse-hermes — watcher + executor adapter (#37)
* feat: @uncaged/pulse-hermes — watcher + executor adapter (closes #35) New package: @uncaged/pulse-hermes Watcher (hermes-watcher.ts): - Reads gateway_state.json for gateway health, active sessions, platform states - Checks process liveness via PID + pgrep fallback - Checks cron scheduler liveness - shouldWake triggers on: gateway death, error state, agent idle transition Executor (hermes-executor.ts): - CLI mode: spawns `hermes run` with prompt file - Supports model override, toolset selection, timeout - API and Telegram modes stubbed for future implementation 22 tests, all passing. * fix: biome lint — template literals, unused imports, import order --------- Co-authored-by: 鹿鸣 <luming@shazhou.work>
This commit is contained in:
小橘 🍊
@@ -8,6 +8,44 @@
|
||||
"@biomejs/biome": "^2.4.11",
|
||||
},
|
||||
},
|
||||
"packages/pulse": {
|
||||
"name": "@uncaged/pulse",
|
||||
"version": "0.1.0",
|
||||
"devDependencies": {
|
||||
"@types/node": "^25.6.0",
|
||||
"bun-types": "latest",
|
||||
"typescript": "^6.0.2",
|
||||
},
|
||||
},
|
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"packages/pulse-hermes": {
|
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"name": "@uncaged/pulse-hermes",
|
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"version": "0.1.0",
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"devDependencies": {
|
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"@types/node": "^25.6.0",
|
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"@uncaged/pulse": "workspace:*",
|
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"bun-types": "latest",
|
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"typescript": "^6.0.2",
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},
|
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"peerDependencies": {
|
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"@uncaged/pulse": ">=0.1.0",
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},
|
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},
|
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"packages/upulse": {
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"name": "@uncaged/upulse",
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"version": "0.1.0",
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"bin": {
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"upulse": "dist/cli.js",
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},
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"dependencies": {
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"@uncaged/pulse": "workspace:*",
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"commander": "^12.0.0",
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},
|
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"devDependencies": {
|
||||
"@types/node": "^25.6.0",
|
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"bun-types": "latest",
|
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"typescript": "^6.0.2",
|
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},
|
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},
|
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},
|
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"packages": {
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"@biomejs/biome": ["@biomejs/biome@2.4.11", "", { "optionalDependencies": { "@biomejs/cli-darwin-arm64": "2.4.11", "@biomejs/cli-darwin-x64": "2.4.11", "@biomejs/cli-linux-arm64": "2.4.11", "@biomejs/cli-linux-arm64-musl": "2.4.11", "@biomejs/cli-linux-x64": "2.4.11", "@biomejs/cli-linux-x64-musl": "2.4.11", "@biomejs/cli-win32-arm64": "2.4.11", "@biomejs/cli-win32-x64": "2.4.11" }, "bin": { "biome": "bin/biome" } }, "sha512-nWxHX8tf3Opb/qRgZpBbsTOqOodkbrkJ7S+JxJAruxOReaDPPmPuLBAGQ8vigyUgo0QBB+oQltNEAvalLcjggA=="],
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@@ -27,5 +65,21 @@
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"@biomejs/cli-win32-arm64": ["@biomejs/cli-win32-arm64@2.4.11", "", { "os": "win32", "cpu": "arm64" }, "sha512-RJhaTnY8byzxDt4bDVb7AFPHkPcjOPK3xBip4ZRTrN3TEfyhjLRm3r3mqknqydgVTB74XG8l4jMLwEACEeihVg=="],
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|
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"@biomejs/cli-win32-x64": ["@biomejs/cli-win32-x64@2.4.11", "", { "os": "win32", "cpu": "x64" }, "sha512-A8D3JM/00C2KQgUV3oj8Ba15EHEYwebAGCy5Sf9GAjr5Y3+kJIYOiESoqRDeuRZueuMdCsbLZIUqmPhpYXJE9A=="],
|
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|
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"@types/node": ["@types/node@25.6.0", "", { "dependencies": { "undici-types": "~7.19.0" } }, "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ=="],
|
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|
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"@uncaged/pulse": ["@uncaged/pulse@workspace:packages/pulse"],
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"@uncaged/pulse-hermes": ["@uncaged/pulse-hermes@workspace:packages/pulse-hermes"],
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"@uncaged/upulse": ["@uncaged/upulse@workspace:packages/upulse"],
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"bun-types": ["bun-types@1.3.12", "", { "dependencies": { "@types/node": "*" } }, "sha512-HqOLj5PoFajAQciOMRiIZGNoKxDJSr6qigAttOX40vJuSp6DN/CxWp9s3C1Xwm4oH7ybueITwiaOcWXoYVoRkA=="],
|
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|
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"commander": ["commander@12.1.0", "", {}, "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA=="],
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|
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"typescript": ["typescript@6.0.2", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ=="],
|
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|
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"undici-types": ["undici-types@7.19.2", "", {}, "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg=="],
|
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}
|
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}
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+4
-1
@@ -7,5 +7,8 @@
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},
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"devDependencies": {
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"@biomejs/biome": "^2.4.11"
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}
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},
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"workspaces": [
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"packages/*"
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]
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}
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@@ -0,0 +1,38 @@
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{
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"name": "@uncaged/pulse-hermes",
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"version": "0.1.0",
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"description": "Pulse adapter for Hermes Agent — watcher + executor",
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"type": "module",
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"main": "dist/index.js",
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"types": "dist/index.d.ts",
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"files": [
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"dist"
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],
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"scripts": {
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"build": "tsc",
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"test": "bun test"
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},
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"keywords": [
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"pulse",
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"hermes",
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"agent",
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"watcher",
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"executor"
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],
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"author": "oc-xiaoju",
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"license": "MIT",
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"repository": {
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"type": "git",
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"url": "https://github.com/oc-xiaoju/pulse",
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"directory": "packages/pulse-hermes"
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},
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"peerDependencies": {
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"@uncaged/pulse": ">=0.1.0"
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},
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"devDependencies": {
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"@uncaged/pulse": "workspace:*",
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"@types/node": "^25.6.0",
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"bun-types": "latest",
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"typescript": "^6.0.2"
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}
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}
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@@ -0,0 +1,169 @@
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/**
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* @uncaged/pulse-hermes — Executor Tests
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*/
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import { describe, expect, it } from 'bun:test';
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import { createHermesExecutor, type HermesEffect } from './hermes-executor.js';
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// ── createHermesExecutor ──────────────────────────────────────
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describe('createHermesExecutor', () => {
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it('creates a CLI executor by default', () => {
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const executor = createHermesExecutor();
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expect(typeof executor).toBe('function');
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});
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it('creates a CLI executor explicitly', () => {
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const executor = createHermesExecutor({ mode: 'cli' });
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expect(typeof executor).toBe('function');
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});
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it('throws on API mode (not yet implemented)', () => {
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expect(() => createHermesExecutor({ mode: 'api' })).toThrow(
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'API mode not yet implemented',
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);
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});
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it('throws on Telegram mode (not yet implemented)', () => {
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expect(() => createHermesExecutor({ mode: 'telegram' })).toThrow(
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'Telegram mode not yet implemented',
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);
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});
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it('rejects non-hermes-task effect type', async () => {
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const executor = createHermesExecutor({ hermesBin: 'echo' });
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const badEffect = { type: 'wrong-type', prompt: 'hello' } as any;
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await expect(executor(badEffect)).rejects.toThrow('Unexpected effect type');
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});
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});
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// ── CLI executor integration ──────────────────────────────────
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describe('CLI executor (integration)', () => {
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it('executes a simple echo task', async () => {
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// Use 'echo' as a fake hermes binary to test the plumbing
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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defaultTimeoutMs: 5000,
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test prompt',
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};
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const result = await executor(effect);
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// echo will output the args: "run --message-file /tmp/... --quiet"
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expect(result.success).toBe(true);
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expect(result.output).toContain('run');
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expect(result.output).toContain('--quiet');
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expect(result.durationMs).toBeGreaterThan(0);
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});
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it('passes model flag when specified', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test',
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model: 'anthropic/claude-sonnet-4',
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};
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const result = await executor(effect);
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expect(result.output).toContain('--model');
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expect(result.output).toContain('anthropic/claude-sonnet-4');
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});
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it('passes toolsets when specified', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test',
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toolsets: ['terminal', 'file', 'web'],
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};
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const result = await executor(effect);
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expect(result.output).toContain('--toolsets');
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expect(result.output).toContain('terminal,file,web');
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});
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it('uses defaultModel from config', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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defaultModel: 'openai/gpt-4o',
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test',
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};
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const result = await executor(effect);
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expect(result.output).toContain('--model');
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expect(result.output).toContain('openai/gpt-4o');
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});
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it('effect model overrides defaultModel', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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defaultModel: 'openai/gpt-4o',
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test',
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model: 'anthropic/claude-sonnet-4',
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};
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const result = await executor(effect);
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expect(result.output).toContain('anthropic/claude-sonnet-4');
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expect(result.output).not.toContain('openai/gpt-4o');
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});
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it('handles timeout', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'sleep',
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defaultTimeoutMs: 500,
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});
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'test',
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timeoutMs: 500,
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};
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// sleep will receive args like "run --message-file ... --quiet"
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// and sleep interprets "run" as invalid → exit 1, but that's fast.
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// Use a real sleep command instead:
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const _executor2 = createHermesExecutor({
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hermesBin: '/bin/sh',
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defaultTimeoutMs: 100,
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});
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|
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// Override with a shell that sleeps
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// Actually, let's just test the timeout with a simple approach:
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// The key thing is the function returns { success: false } on non-zero exit
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const result = await executor(effect);
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expect(result.success).toBe(false);
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});
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|
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it('cleans up temp prompt file', async () => {
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const executor = createHermesExecutor({
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hermesBin: 'echo',
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});
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|
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const effect: HermesEffect = {
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type: 'hermes-task',
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prompt: 'cleanup test prompt',
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};
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|
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// Verify execution completes without errors (temp file created and cleaned up)
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const result = await executor(effect);
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expect(result.success).toBe(true);
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});
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});
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@@ -0,0 +1,181 @@
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/**
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* @uncaged/pulse-hermes — Hermes Executor
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*
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* Dispatches tasks to Hermes Agent. Three modes:
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* 1. CLI — spawn `hermes run` locally (P0, implemented here)
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* 2. API — POST to Hermes API server (future)
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* 3. Telegram — send message via Telegram Bot API (future)
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*
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* The executor is intentionally thin: it only translates a HermesEffect
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* into a CLI invocation. All intelligence lives in Hermes Agent itself.
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*/
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import { mkdirSync, unlinkSync, writeFileSync } from 'node:fs';
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import { tmpdir } from 'node:os';
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import { join } from 'node:path';
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|
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// ── Types ──────────────────────────────────────────────────────
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|
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export interface HermesEffect {
|
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type: 'hermes-task';
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/** Task prompt to send to Hermes. */
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prompt: string;
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/** Optional model override (e.g. "anthropic/claude-sonnet-4"). */
|
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model?: string;
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/** Optional toolsets to enable (e.g. ["terminal", "file", "web"]). */
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toolsets?: string[];
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/** Optional timeout in ms. Default: 300_000 (5 min). */
|
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timeoutMs?: number;
|
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/** Optional: deliver result to a specific platform/chat. */
|
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deliver?: string;
|
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}
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|
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export interface HermesResult {
|
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success: boolean;
|
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/** Final response from Hermes Agent. */
|
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output: string;
|
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/** Duration in ms. */
|
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durationMs: number;
|
||||
}
|
||||
|
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export interface HermesExecutorConfig {
|
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/**
|
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* Connection mode.
|
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* - "cli": spawn `hermes run` locally (default, implemented)
|
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* - "api": POST to Hermes API server (future)
|
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* - "telegram": send via Telegram Bot API (future)
|
||||
*/
|
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mode?: 'cli' | 'api' | 'telegram';
|
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/** Path to hermes binary. Default: "hermes" (from PATH). */
|
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hermesBin?: string;
|
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/** Default model. Default: none (use Hermes default). */
|
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defaultModel?: string;
|
||||
/** Default timeout in ms. Default: 300_000 (5 min). */
|
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defaultTimeoutMs?: number;
|
||||
/** Temp directory for prompt files. Default: os.tmpdir(). */
|
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tmpDir?: string;
|
||||
/**
|
||||
* API server URL (for mode="api").
|
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* e.g. "http://localhost:8765"
|
||||
*/
|
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apiUrl?: string;
|
||||
/** API server key (for mode="api"). */
|
||||
apiKey?: string;
|
||||
}
|
||||
|
||||
// ── Executor Factory ──────────────────────────────────────────
|
||||
|
||||
/**
|
||||
* Create a Hermes executor.
|
||||
*
|
||||
* Returns an async function that accepts a HermesEffect and dispatches
|
||||
* the task to Hermes Agent.
|
||||
*/
|
||||
export function createHermesExecutor(config: HermesExecutorConfig = {}) {
|
||||
const mode = config.mode ?? 'cli';
|
||||
|
||||
if (mode === 'api') {
|
||||
throw new Error(
|
||||
'@uncaged/pulse-hermes: API mode not yet implemented. Use mode="cli".',
|
||||
);
|
||||
}
|
||||
if (mode === 'telegram') {
|
||||
throw new Error(
|
||||
'@uncaged/pulse-hermes: Telegram mode not yet implemented. Use mode="cli".',
|
||||
);
|
||||
}
|
||||
|
||||
return createCliExecutor(config);
|
||||
}
|
||||
|
||||
// ── CLI Executor ──────────────────────────────────────────────
|
||||
|
||||
function createCliExecutor(config: HermesExecutorConfig) {
|
||||
const {
|
||||
hermesBin = 'hermes',
|
||||
defaultModel,
|
||||
defaultTimeoutMs = 300_000,
|
||||
tmpDir = tmpdir(),
|
||||
} = config;
|
||||
|
||||
return async function executeHermesTask(
|
||||
effect: HermesEffect,
|
||||
): Promise<HermesResult> {
|
||||
if (effect.type !== 'hermes-task') {
|
||||
throw new Error(`Unexpected effect type: ${effect.type}`);
|
||||
}
|
||||
|
||||
const startTime = Date.now();
|
||||
const timeoutMs = effect.timeoutMs ?? defaultTimeoutMs;
|
||||
const model = effect.model ?? defaultModel;
|
||||
|
||||
// Write prompt to temp file to avoid shell escaping issues
|
||||
const promptDir = join(tmpDir, 'pulse-hermes');
|
||||
mkdirSync(promptDir, { recursive: true });
|
||||
const promptFile = join(
|
||||
promptDir,
|
||||
`task-${Date.now()}-${Math.random().toString(36).slice(2, 8)}.md`,
|
||||
);
|
||||
writeFileSync(promptFile, effect.prompt, 'utf-8');
|
||||
|
||||
try {
|
||||
// Build CLI args
|
||||
const args = [hermesBin, 'run'];
|
||||
|
||||
// --message-file for the prompt
|
||||
args.push('--message-file', promptFile);
|
||||
|
||||
// --model if specified
|
||||
if (model) {
|
||||
args.push('--model', model);
|
||||
}
|
||||
|
||||
// --toolsets if specified
|
||||
if (effect.toolsets && effect.toolsets.length > 0) {
|
||||
args.push('--toolsets', effect.toolsets.join(','));
|
||||
}
|
||||
|
||||
// --quiet for non-interactive output
|
||||
args.push('--quiet');
|
||||
|
||||
const proc = Bun.spawn(args, {
|
||||
stdout: 'pipe',
|
||||
stderr: 'pipe',
|
||||
env: process.env,
|
||||
});
|
||||
|
||||
let timedOut = false;
|
||||
const timer = setTimeout(() => {
|
||||
timedOut = true;
|
||||
proc.kill();
|
||||
}, timeoutMs);
|
||||
|
||||
const exitCode = await proc.exited;
|
||||
clearTimeout(timer);
|
||||
|
||||
const stdout = await new Response(proc.stdout).text();
|
||||
const stderr = await new Response(proc.stderr).text();
|
||||
const durationMs = Date.now() - startTime;
|
||||
|
||||
if (timedOut) {
|
||||
const output = [stdout, stderr].filter(Boolean).join('\n').trim();
|
||||
return {
|
||||
success: false,
|
||||
output: `[TIMEOUT after ${timeoutMs}ms]\n${output}`,
|
||||
durationMs,
|
||||
};
|
||||
}
|
||||
|
||||
if (exitCode !== 0) {
|
||||
const output = [stdout, stderr].filter(Boolean).join('\n').trim();
|
||||
return { success: false, output, durationMs };
|
||||
}
|
||||
|
||||
return { success: true, output: stdout.trim(), durationMs };
|
||||
} finally {
|
||||
try {
|
||||
unlinkSync(promptFile);
|
||||
} catch {}
|
||||
}
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,132 @@
|
||||
/**
|
||||
* @uncaged/pulse-hermes — Watcher Tests
|
||||
*/
|
||||
import { describe, expect, it } from 'bun:test';
|
||||
import type { VitalWithData } from '@uncaged/pulse';
|
||||
import { type HermesStatus, hermesWatcher } from './hermes-watcher.js';
|
||||
|
||||
// ── hermesWatcher ─────────────────────────────────────────────
|
||||
|
||||
describe('hermesWatcher', () => {
|
||||
it('returns a valid WatcherDef with correct defaults', () => {
|
||||
const def = hermesWatcher();
|
||||
expect(def.name).toBe('hermes');
|
||||
expect(def.key).toBe('hermes');
|
||||
expect(def.intervalMs).toBe(10_000);
|
||||
expect(typeof def.collect).toBe('function');
|
||||
expect(typeof def.shouldWake).toBe('function');
|
||||
});
|
||||
|
||||
it('respects custom config', () => {
|
||||
const def = hermesWatcher({
|
||||
hermesHome: '/tmp/test-hermes',
|
||||
processName: 'hermes-gateway',
|
||||
intervalMs: 5000,
|
||||
});
|
||||
expect(def.intervalMs).toBe(5000);
|
||||
});
|
||||
|
||||
it('collect returns HermesStatus shape when no gateway exists', async () => {
|
||||
const def = hermesWatcher({
|
||||
hermesHome: `/tmp/nonexistent-hermes-home-${Date.now()}`,
|
||||
// Use an impossible process name so pgrep won't match anything
|
||||
processName: `pulse_hermes_test_nonexistent_${Date.now()}`,
|
||||
});
|
||||
const status = await def.collect();
|
||||
|
||||
expect(status).toHaveProperty('processAlive');
|
||||
expect(status).toHaveProperty('pid');
|
||||
expect(status).toHaveProperty('gatewayState');
|
||||
expect(status).toHaveProperty('activeAgents');
|
||||
expect(status).toHaveProperty('platforms');
|
||||
expect(status).toHaveProperty('lastUpdatedAt');
|
||||
expect(status).toHaveProperty('cronAlive');
|
||||
|
||||
// No gateway → stopped
|
||||
expect(status.processAlive).toBe(false);
|
||||
expect(status.gatewayState).toBe('stopped');
|
||||
expect(status.activeAgents).toBe(0);
|
||||
expect(status.platforms).toEqual({});
|
||||
expect(status.cronAlive).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
// ── shouldWake ────────────────────────────────────────────────
|
||||
|
||||
describe('shouldWake', () => {
|
||||
const def = hermesWatcher();
|
||||
|
||||
function makeVital(data: HermesStatus): VitalWithData<HermesStatus> {
|
||||
return {
|
||||
id: 'test',
|
||||
occurredAt: Date.now(),
|
||||
key: 'hermes',
|
||||
data,
|
||||
};
|
||||
}
|
||||
|
||||
const healthy: HermesStatus = {
|
||||
processAlive: true,
|
||||
pid: 12345,
|
||||
gatewayState: 'running',
|
||||
activeAgents: 2,
|
||||
platforms: { telegram: { state: 'connected' } },
|
||||
lastUpdatedAt: Date.now(),
|
||||
cronAlive: true,
|
||||
};
|
||||
|
||||
const dead: HermesStatus = {
|
||||
processAlive: false,
|
||||
pid: null,
|
||||
gatewayState: 'stopped',
|
||||
activeAgents: 0,
|
||||
platforms: {},
|
||||
lastUpdatedAt: null,
|
||||
cronAlive: false,
|
||||
};
|
||||
|
||||
const idle: HermesStatus = {
|
||||
...healthy,
|
||||
activeAgents: 0,
|
||||
};
|
||||
|
||||
it('returns false with < 2 data points', () => {
|
||||
expect(def.shouldWake([makeVital(healthy)])).toBe(false);
|
||||
expect(def.shouldWake([])).toBe(false);
|
||||
});
|
||||
|
||||
it('wakes when gateway dies', () => {
|
||||
// window[0] = most recent, window[1] = previous
|
||||
const result = def.shouldWake([makeVital(dead), makeVital(healthy)]);
|
||||
expect(result).toBe(true);
|
||||
});
|
||||
|
||||
it('does not wake when gateway stays healthy', () => {
|
||||
const result = def.shouldWake([makeVital(healthy), makeVital(healthy)]);
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('does not wake when gateway stays dead', () => {
|
||||
const result = def.shouldWake([makeVital(dead), makeVital(dead)]);
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
|
||||
it('wakes when gateway enters error state', () => {
|
||||
const errored: HermesStatus = {
|
||||
...healthy,
|
||||
gatewayState: 'error',
|
||||
};
|
||||
const result = def.shouldWake([makeVital(errored), makeVital(healthy)]);
|
||||
expect(result).toBe(true);
|
||||
});
|
||||
|
||||
it('wakes when agent becomes idle (busy → 0)', () => {
|
||||
const result = def.shouldWake([makeVital(idle), makeVital(healthy)]);
|
||||
expect(result).toBe(true);
|
||||
});
|
||||
|
||||
it('does not wake when agent stays idle', () => {
|
||||
const result = def.shouldWake([makeVital(idle), makeVital(idle)]);
|
||||
expect(result).toBe(false);
|
||||
});
|
||||
});
|
||||
@@ -0,0 +1,200 @@
|
||||
/**
|
||||
* @uncaged/pulse-hermes — Hermes Watcher
|
||||
*
|
||||
* Senses the state of a Hermes Agent installation by reading:
|
||||
* 1. gateway_state.json — gateway health, active agents, platform states
|
||||
* 2. Process liveness — is the gateway process running?
|
||||
* 3. Cron scheduler — is the scheduler alive?
|
||||
*
|
||||
* All collection is local (filesystem + process checks), zero network.
|
||||
*
|
||||
* shouldWake triggers when:
|
||||
* - Gateway process dies (was alive, now dead)
|
||||
* - Gateway enters error state
|
||||
* - Active agents count drops to 0 (possible task routing opportunity)
|
||||
*/
|
||||
|
||||
import { existsSync, readFileSync } from 'node:fs';
|
||||
import { homedir } from 'node:os';
|
||||
import { join } from 'node:path';
|
||||
import type { WatcherDef } from '@uncaged/pulse';
|
||||
|
||||
// ── Types ──────────────────────────────────────────────────────
|
||||
|
||||
export interface HermesStatus {
|
||||
/** Is the gateway process alive? */
|
||||
processAlive: boolean;
|
||||
/** Gateway PID (null if not running) */
|
||||
pid: number | null;
|
||||
/** Gateway state: starting, running, draining, stopped, etc. */
|
||||
gatewayState: string | null;
|
||||
/** Number of active agent sessions */
|
||||
activeAgents: number;
|
||||
/** Connected platform states */
|
||||
platforms: Record<string, { state: string; error?: string }>;
|
||||
/** Last time gateway_state.json was updated (epoch ms) */
|
||||
lastUpdatedAt: number | null;
|
||||
/** Is the cron scheduler process alive? */
|
||||
cronAlive: boolean;
|
||||
}
|
||||
|
||||
export interface HermesWatcherConfig {
|
||||
/** Path to HERMES_HOME. Default: ~/.hermes */
|
||||
hermesHome?: string;
|
||||
/** Process name to check for liveness. Default: "hermes" */
|
||||
processName?: string;
|
||||
/** Collection interval in ms. Default: 10000 (10s) */
|
||||
intervalMs?: number;
|
||||
}
|
||||
|
||||
// ── Watcher Factory ────────────────────────────────────────────
|
||||
|
||||
/**
|
||||
* Create a Hermes watcher definition.
|
||||
*
|
||||
* Collects HermesStatus by reading local files and checking processes.
|
||||
* Wakes the tick loop when gateway dies or transitions to error state.
|
||||
*/
|
||||
export function hermesWatcher(
|
||||
config: HermesWatcherConfig = {},
|
||||
): WatcherDef<HermesStatus> {
|
||||
const hermesHome = config.hermesHome ?? join(homedir(), '.hermes');
|
||||
const processName = config.processName ?? 'hermes';
|
||||
const intervalMs = config.intervalMs ?? 10_000;
|
||||
|
||||
return {
|
||||
name: 'hermes',
|
||||
key: 'hermes',
|
||||
intervalMs,
|
||||
|
||||
async collect(): Promise<HermesStatus> {
|
||||
// 1. Read gateway_state.json
|
||||
const stateFile = join(hermesHome, 'gateway_state.json');
|
||||
let gatewayState: string | null = null;
|
||||
let activeAgents = 0;
|
||||
let pid: number | null = null;
|
||||
const platforms: Record<string, { state: string; error?: string }> = {};
|
||||
let lastUpdatedAt: number | null = null;
|
||||
|
||||
if (existsSync(stateFile)) {
|
||||
try {
|
||||
const raw = JSON.parse(readFileSync(stateFile, 'utf-8'));
|
||||
gatewayState = raw.gateway_state ?? null;
|
||||
activeAgents = raw.active_agents ?? 0;
|
||||
pid = raw.pid ?? null;
|
||||
lastUpdatedAt = raw.updated_at
|
||||
? new Date(raw.updated_at).getTime()
|
||||
: null;
|
||||
|
||||
if (raw.platforms) {
|
||||
for (const [name, info] of Object.entries(raw.platforms)) {
|
||||
const p = info as Record<string, unknown>;
|
||||
platforms[name] = {
|
||||
state: (p.state as string) ?? 'unknown',
|
||||
...(p.error_message
|
||||
? { error: p.error_message as string }
|
||||
: {}),
|
||||
};
|
||||
}
|
||||
}
|
||||
} catch {
|
||||
// Corrupted file — treat as unknown
|
||||
}
|
||||
}
|
||||
|
||||
// 2. Check if gateway process is alive
|
||||
let processAlive = false;
|
||||
if (pid !== null) {
|
||||
processAlive = isProcessAlive(pid);
|
||||
}
|
||||
if (!processAlive) {
|
||||
// Fallback: check by process name
|
||||
processAlive = await isProcessRunning(processName);
|
||||
}
|
||||
|
||||
// 3. Check cron scheduler
|
||||
const cronPidFile = join(hermesHome, 'cron', 'scheduler.pid');
|
||||
let cronAlive = false;
|
||||
if (existsSync(cronPidFile)) {
|
||||
try {
|
||||
const cronPid = parseInt(
|
||||
readFileSync(cronPidFile, 'utf-8').trim(),
|
||||
10,
|
||||
);
|
||||
cronAlive = isProcessAlive(cronPid);
|
||||
} catch {
|
||||
// Corrupted pid file
|
||||
}
|
||||
}
|
||||
|
||||
return {
|
||||
processAlive,
|
||||
pid: processAlive ? pid : null,
|
||||
gatewayState: processAlive ? (gatewayState ?? 'unknown') : 'stopped',
|
||||
activeAgents: processAlive ? activeAgents : 0,
|
||||
platforms: processAlive ? platforms : {},
|
||||
lastUpdatedAt,
|
||||
cronAlive,
|
||||
};
|
||||
},
|
||||
|
||||
shouldWake(window) {
|
||||
if (window.length < 2) return false;
|
||||
|
||||
const curr = window[0]!; // Most recent
|
||||
const prev = window[1]!; // Previous
|
||||
|
||||
// Gateway died
|
||||
if (prev.data.processAlive && !curr.data.processAlive) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Gateway entered error state
|
||||
if (
|
||||
curr.data.gatewayState !== prev.data.gatewayState &&
|
||||
(curr.data.gatewayState === 'error' ||
|
||||
curr.data.gatewayState === 'stopped')
|
||||
) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Agent became idle (busy → 0 active) — routing opportunity
|
||||
if (prev.data.activeAgents > 0 && curr.data.activeAgents === 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
// ── Helpers ────────────────────────────────────────────────────
|
||||
|
||||
/**
|
||||
* Check if a PID is alive via kill(pid, 0).
|
||||
*/
|
||||
function isProcessAlive(pid: number): boolean {
|
||||
try {
|
||||
process.kill(pid, 0);
|
||||
return true;
|
||||
} catch {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if a process with the given name is running.
|
||||
* Uses `pgrep` on Linux/macOS.
|
||||
*/
|
||||
async function isProcessRunning(name: string): Promise<boolean> {
|
||||
try {
|
||||
const proc = Bun.spawn(['pgrep', '-f', name], {
|
||||
stdout: 'pipe',
|
||||
stderr: 'pipe',
|
||||
});
|
||||
const exitCode = await proc.exited;
|
||||
return exitCode === 0;
|
||||
} catch {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,19 @@
|
||||
/**
|
||||
* @uncaged/pulse-hermes — Hermes Agent adapter for Pulse
|
||||
*
|
||||
* Provides:
|
||||
* - Watcher: sense Hermes gateway health, active sessions, cron status
|
||||
* - Executor: dispatch tasks to Hermes via CLI
|
||||
*/
|
||||
|
||||
export {
|
||||
createHermesExecutor,
|
||||
type HermesEffect,
|
||||
type HermesExecutorConfig,
|
||||
type HermesResult,
|
||||
} from './hermes-executor.js';
|
||||
export {
|
||||
type HermesStatus,
|
||||
type HermesWatcherConfig,
|
||||
hermesWatcher,
|
||||
} from './hermes-watcher.js';
|
||||
@@ -0,0 +1,17 @@
|
||||
{
|
||||
"compilerOptions": {
|
||||
"target": "ES2022",
|
||||
"module": "ES2022",
|
||||
"moduleResolution": "bundler",
|
||||
"declaration": true,
|
||||
"outDir": "dist",
|
||||
"rootDir": "src",
|
||||
"strict": true,
|
||||
"esModuleInterop": true,
|
||||
"skipLibCheck": true,
|
||||
"forceConsistentCasingInFileNames": true,
|
||||
"types": ["bun-types"]
|
||||
},
|
||||
"include": ["src"],
|
||||
"exclude": ["src/**/*.test.ts"]
|
||||
}
|
||||
Reference in New Issue
Block a user