john
6df82818c5
Gate and bound Portal shadow observations while preserving Native execution. Add fail-closed service boundaries, terminal retention controls, Canary readiness telemetry, ops visibility, and isolated regression coverage.
616 lines
20 KiB
JavaScript
616 lines
20 KiB
JavaScript
import pg from 'pg';
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import { createInMemoryExecutorJobStore } from './executor-gateway.mjs';
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const { Pool } = pg;
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const DEFAULT_EXECUTOR_SCHEMA = 'memind_orchestrator';
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const EXECUTOR_JOB_TABLE = 'executor_jobs';
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const EXECUTOR_JOB_EVENT_TABLE = 'executor_job_events';
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const EXECUTOR_WORKER_TABLE = 'executor_workers';
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function normalizeMode(value) {
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const mode = String(value ?? 'postgres').trim().toLowerCase();
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if (mode === 'memory' || mode === 'postgres') return mode;
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throw new Error(`Unsupported executor job store mode: ${value}`);
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}
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function normalizeSchema(value) {
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const schema = String(value ?? DEFAULT_EXECUTOR_SCHEMA).trim();
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if (!/^[a-z_][a-z0-9_]{0,62}$/i.test(schema)) {
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throw new Error('Invalid Executor Gateway PostgreSQL schema');
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}
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return schema;
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}
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function parseState(value) {
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if (value == null) return null;
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if (typeof value === 'object') return structuredClone(value);
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try {
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return JSON.parse(String(value));
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} catch {
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return null;
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}
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}
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function projectRow(row) {
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return parseState(row?.state_json);
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}
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function projectEventRow(row) {
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return parseState(row?.event_json);
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}
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function eventWithSequence(event, jobId, sequence) {
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return {
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...structuredClone(event),
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jobId,
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sequence,
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};
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}
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async function appendEvent(client, eventTable, jobId, event) {
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if (!event) return null;
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const sequenceResult = await client.query(
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`SELECT COALESCE(MAX(sequence), 0) + 1 AS next_sequence
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FROM ${eventTable}
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WHERE job_id = $1`,
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[jobId],
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);
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const sequence = Number(sequenceResult.rows?.[0]?.next_sequence ?? 1);
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const persistedEvent = eventWithSequence(event, jobId, sequence);
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await client.query(
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`INSERT INTO ${eventTable}
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(event_id, job_id, sequence, event_json, created_at)
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VALUES ($1, $2, $3, $4::jsonb, $5)`,
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[
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persistedEvent.eventId,
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jobId,
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sequence,
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JSON.stringify(persistedEvent),
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persistedEvent.timestamp,
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],
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);
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return persistedEvent;
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}
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async function withTransaction(pool, operation) {
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if (typeof pool?.connect !== 'function') {
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throw new Error('PostgreSQL Executor Job Store requires transactional pool.connect');
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}
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const client = await pool.connect();
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try {
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await client.query('BEGIN');
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const result = await operation(client);
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await client.query('COMMIT');
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return result;
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} catch (error) {
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try {
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await client.query('ROLLBACK');
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} catch {
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// Preserve the transactional operation failure.
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}
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throw error;
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} finally {
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client.release?.();
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}
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}
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export function createPostgresExecutorJobStore({
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pool,
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schema = DEFAULT_EXECUTOR_SCHEMA,
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} = {}) {
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if (!pool?.query) throw new Error('PostgreSQL Executor Job Store requires a pool');
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const normalizedSchema = normalizeSchema(schema);
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const table = `"${normalizedSchema}"."${EXECUTOR_JOB_TABLE}"`;
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const eventTable = `"${normalizedSchema}"."${EXECUTOR_JOB_EVENT_TABLE}"`;
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const workerTable = `"${normalizedSchema}"."${EXECUTOR_WORKER_TABLE}"`;
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return {
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kind: 'postgres',
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durable: true,
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async ensureSchema() {
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await pool.query(`CREATE SCHEMA IF NOT EXISTS "${normalizedSchema}"`);
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await pool.query(`
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CREATE TABLE IF NOT EXISTS ${table} (
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job_id VARCHAR(128) PRIMARY KEY,
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idempotency_key VARCHAR(200) NOT NULL UNIQUE,
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request_fingerprint CHAR(64) NOT NULL,
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state_json JSONB NOT NULL,
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created_at BIGINT NOT NULL,
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updated_at BIGINT NOT NULL
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)
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`);
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await pool.query(`
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CREATE INDEX IF NOT EXISTS executor_jobs_updated_at_idx
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ON ${table} (updated_at DESC)
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`);
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await pool.query(`
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CREATE TABLE IF NOT EXISTS ${eventTable} (
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event_id VARCHAR(128) PRIMARY KEY,
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job_id VARCHAR(128) NOT NULL REFERENCES ${table} (job_id) ON DELETE CASCADE,
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sequence INTEGER NOT NULL,
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event_json JSONB NOT NULL,
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created_at BIGINT NOT NULL,
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UNIQUE (job_id, sequence)
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)
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`);
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await pool.query(`
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CREATE INDEX IF NOT EXISTS executor_job_events_job_sequence_idx
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ON ${eventTable} (job_id, sequence)
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`);
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await pool.query(`
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INSERT INTO ${eventTable} (event_id, job_id, sequence, event_json, created_at)
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SELECT
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'evt_' || md5(job_id || ':snapshot-import'),
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job_id,
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1,
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jsonb_build_object(
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'version', 'executor-job-event-v1',
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'eventId', 'evt_' || md5(job_id || ':snapshot-import'),
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'jobId', job_id,
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'sequence', 1,
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'type', 'executor_job_snapshot_imported',
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'timestamp', created_at,
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'data', jsonb_build_object(
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'status', state_json->>'status',
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'reason', state_json->>'reason'
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)
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),
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created_at
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FROM ${table} jobs
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WHERE NOT EXISTS (
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SELECT 1 FROM ${eventTable} events WHERE events.job_id = jobs.job_id
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)
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ON CONFLICT DO NOTHING
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`);
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await pool.query(`
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CREATE TABLE IF NOT EXISTS ${workerTable} (
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worker_id VARCHAR(128) PRIMARY KEY,
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state_json JSONB NOT NULL,
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last_seen_at BIGINT NOT NULL
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)
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`);
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await pool.query(`
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CREATE INDEX IF NOT EXISTS executor_workers_last_seen_idx
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ON ${workerTable} (last_seen_at DESC)
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`);
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},
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async getById(jobId) {
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const result = await pool.query(
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`SELECT state_json FROM ${table} WHERE job_id = $1 LIMIT 1`,
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[String(jobId ?? '').trim()],
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);
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return projectRow(result.rows?.[0]);
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},
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async getByIdempotencyKey(key) {
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const result = await pool.query(
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`SELECT state_json FROM ${table} WHERE idempotency_key = $1 LIMIT 1`,
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[String(key ?? '').trim()],
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);
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return projectRow(result.rows?.[0]);
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},
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async deleteById(jobId) {
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const result = await pool.query(
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`DELETE FROM ${table}
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WHERE job_id = $1
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RETURNING job_id`,
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[String(jobId ?? '').trim()],
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);
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return Boolean(result.rows?.[0]);
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},
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async listTerminalBefore({ before, limit = 100 } = {}) {
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const cutoff = Number(before);
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if (!Number.isFinite(cutoff)) return [];
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const pageSize = Math.min(500, Math.max(1, Number(limit) || 100));
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const result = await pool.query(
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`SELECT
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state_json->>'jobId' AS job_id,
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state_json->>'workflowRunId' AS workflow_run_id,
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(state_json->>'completedAt')::BIGINT AS completed_at
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FROM ${table}
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WHERE state_json->>'status' = ANY($1::text[])
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AND state_json->>'workflowRunId' IS NOT NULL
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AND COALESCE((state_json->>'completedAt')::BIGINT, 0) > 0
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AND (state_json->>'completedAt')::BIGINT <= $2
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ORDER BY (state_json->>'completedAt')::BIGINT ASC, job_id ASC
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LIMIT $3`,
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[['succeeded', 'failed', 'cancelled', 'timed_out', 'blocked'], cutoff, pageSize],
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);
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return (result.rows ?? []).map((row) => ({
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jobId: row.job_id,
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workflowRunId: row.workflow_run_id,
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completedAt: Number(row.completed_at),
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}));
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},
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async createIfAbsent(record, { initialEvent = null } = {}) {
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const created = await withTransaction(pool, async (client) => {
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const inserted = await client.query(
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`INSERT INTO ${table}
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(job_id, idempotency_key, request_fingerprint, state_json, created_at, updated_at)
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VALUES ($1, $2, $3, $4::jsonb, $5, $6)
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ON CONFLICT DO NOTHING
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RETURNING state_json`,
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[
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record.jobId,
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record.idempotencyKey,
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record.requestFingerprint,
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JSON.stringify(record),
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record.createdAt,
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record.updatedAt,
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],
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);
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const insertedRecord = projectRow(inserted.rows?.[0]);
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if (!insertedRecord || !initialEvent) return insertedRecord;
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const event = eventWithSequence(initialEvent, record.jobId, 1);
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await client.query(
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`INSERT INTO ${eventTable}
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(event_id, job_id, sequence, event_json, created_at)
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VALUES ($1, $2, $3, $4::jsonb, $5)`,
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[
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event.eventId,
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record.jobId,
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event.sequence,
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JSON.stringify(event),
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event.timestamp,
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],
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);
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return insertedRecord;
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});
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if (created) return { created: true, record: created };
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const existingResult = await pool.query(
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`SELECT state_json FROM ${table} WHERE idempotency_key = $1 LIMIT 1`,
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[record.idempotencyKey],
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);
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const existing = projectRow(existingResult.rows?.[0]);
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if (existing) return { created: false, record: existing };
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const error = new Error(`Executor job id already exists: ${record.jobId}`);
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error.code = 'EXECUTOR_JOB_ID_CONFLICT';
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error.status = 409;
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throw error;
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},
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async update(record, { event = null } = {}) {
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return withTransaction(pool, async (client) => {
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const locked = await client.query(
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`SELECT job_id FROM ${table} WHERE job_id = $1 FOR UPDATE`,
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[record.jobId],
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);
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if (!locked.rows?.[0]) return null;
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const result = await client.query(
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`UPDATE ${table}
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SET state_json = $2::jsonb,
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updated_at = $3
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WHERE job_id = $1
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RETURNING state_json`,
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[record.jobId, JSON.stringify(record), record.updatedAt],
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);
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await appendEvent(client, eventTable, record.jobId, event);
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return projectRow(result.rows?.[0]);
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});
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},
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async claimNext({
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workerId,
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executors,
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now,
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leaseToken,
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leaseDurationMs,
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eventFactory,
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}) {
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return withTransaction(pool, async (client) => {
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const selected = await client.query(
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`SELECT state_json
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FROM ${table}
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WHERE (
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state_json->>'status' = 'queued'
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OR (
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state_json->>'status' = 'retryable'
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AND COALESCE((state_json->>'nextAttemptAt')::BIGINT, 0) <= $1
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)
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)
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AND state_json->>'executor' = ANY($2::text[])
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ORDER BY created_at ASC, job_id ASC
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FOR UPDATE SKIP LOCKED
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LIMIT 1`,
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[now, executors],
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);
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const current = projectRow(selected.rows?.[0]);
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if (!current) return null;
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const updated = {
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...current,
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status: 'leased',
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reason: null,
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attempts: Number(current.attempts ?? 0) + 1,
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nextAttemptAt: null,
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lease: {
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token: leaseToken,
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workerId,
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acquiredAt: now,
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heartbeatAt: now,
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expiresAt: now + leaseDurationMs,
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},
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updatedAt: now,
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completedAt: null,
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};
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const result = await client.query(
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`UPDATE ${table}
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SET state_json = $2::jsonb,
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updated_at = $3
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WHERE job_id = $1
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RETURNING state_json`,
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[updated.jobId, JSON.stringify(updated), updated.updatedAt],
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);
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await appendEvent(
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client,
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eventTable,
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updated.jobId,
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typeof eventFactory === 'function' ? eventFactory(updated, current) : null,
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);
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return projectRow(result.rows?.[0]);
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});
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},
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async transition(jobId, {
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expectedStatuses = [],
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leaseToken = null,
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updater,
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eventFactory = null,
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} = {}) {
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return withTransaction(pool, async (client) => {
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const locked = await client.query(
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`SELECT state_json FROM ${table} WHERE job_id = $1 FOR UPDATE`,
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[String(jobId ?? '').trim()],
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);
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const current = projectRow(locked.rows?.[0]);
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if (!current) return { applied: false, record: null, reason: 'not_found' };
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if (expectedStatuses.length && !expectedStatuses.includes(current.status)) {
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return { applied: false, record: current, reason: 'status_mismatch' };
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}
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if (leaseToken != null && current.lease?.token !== leaseToken) {
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return { applied: false, record: current, reason: 'lease_mismatch' };
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}
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const updated = updater(structuredClone(current));
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if (!updated || updated.jobId !== current.jobId) {
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throw new Error('Executor job transition must preserve job identity');
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}
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const result = await client.query(
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`UPDATE ${table}
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SET state_json = $2::jsonb,
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updated_at = $3
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WHERE job_id = $1
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RETURNING state_json`,
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[current.jobId, JSON.stringify(updated), updated.updatedAt],
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);
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await appendEvent(
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client,
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eventTable,
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current.jobId,
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typeof eventFactory === 'function' ? eventFactory(updated, current) : null,
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);
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return {
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applied: true,
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record: projectRow(result.rows?.[0]),
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reason: null,
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};
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});
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},
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async listExpiredLeases({ now, limit = 100 } = {}) {
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const pageSize = Math.min(500, Math.max(1, Number(limit) || 100));
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const result = await pool.query(
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`SELECT state_json
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FROM ${table}
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WHERE state_json->>'status' = ANY($1::text[])
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AND COALESCE((state_json->'lease'->>'expiresAt')::BIGINT, 0) <= $2
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ORDER BY COALESCE((state_json->'lease'->>'expiresAt')::BIGINT, 0) ASC
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LIMIT $3`,
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[['leased', 'running'], now, pageSize],
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);
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return (result.rows ?? []).map(projectRow).filter(Boolean);
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},
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async getQueueStats({ now = Date.now() } = {}) {
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const result = await pool.query(
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`SELECT
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COUNT(*)::BIGINT AS total,
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COUNT(*) FILTER (
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WHERE state_json->>'status' = 'queued'
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OR (
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state_json->>'status' = 'retryable'
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AND COALESCE((state_json->>'nextAttemptAt')::BIGINT, 0) <= $1
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)
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)::BIGINT AS claimable,
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COUNT(*) FILTER (
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WHERE state_json->>'status' = ANY($2::text[])
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AND COALESCE((state_json->'lease'->>'expiresAt')::BIGINT, 0) <= $1
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)::BIGINT AS expired_leases,
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state_json->>'status' AS status,
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COUNT(*)::BIGINT AS status_count
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FROM ${table}
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GROUP BY state_json->>'status'`,
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[now, ['leased', 'running']],
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);
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const counts = {};
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let total = 0;
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let claimable = 0;
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let expiredLeases = 0;
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for (const row of result.rows ?? []) {
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if (row.status) counts[row.status] = Number(row.status_count ?? 0);
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total += Number(row.status_count ?? 0);
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claimable += Number(row.claimable ?? 0);
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expiredLeases += Number(row.expired_leases ?? 0);
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}
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return { total, counts, claimable, expiredLeases };
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},
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async getAdmissionStats({
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tenantId = null,
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userId = null,
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now = Date.now(),
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windowMs = 60_000,
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} = {}) {
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const result = await pool.query(
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`SELECT
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COUNT(*) FILTER (
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WHERE state_json->>'status' = ANY($1::text[])
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)::BIGINT AS global_active,
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COUNT(*) FILTER (
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WHERE state_json->>'status' = ANY($1::text[])
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AND $2::text IS NOT NULL
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AND state_json->'request'->'subject'->>'tenantId' = $2
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)::BIGINT AS tenant_active,
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COUNT(*) FILTER (
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WHERE state_json->>'status' = ANY($1::text[])
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AND $3::text IS NOT NULL
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AND state_json->'request'->'subject'->>'userId' = $3
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)::BIGINT AS user_active,
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COUNT(*) FILTER (
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WHERE $2::text IS NOT NULL
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AND state_json->'request'->'subject'->>'tenantId' = $2
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AND created_at >= $4
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)::BIGINT AS tenant_recent,
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COUNT(*) FILTER (
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WHERE $3::text IS NOT NULL
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AND state_json->'request'->'subject'->>'userId' = $3
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AND created_at >= $4
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)::BIGINT AS user_recent
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FROM ${table}`,
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[
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['queued', 'retryable', 'leased', 'running'],
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tenantId,
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userId,
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now - windowMs,
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],
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);
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const row = result.rows?.[0] ?? {};
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return {
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globalActive: Number(row.global_active ?? 0),
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tenantActive: Number(row.tenant_active ?? 0),
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userActive: Number(row.user_active ?? 0),
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tenantRecent: Number(row.tenant_recent ?? 0),
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userRecent: Number(row.user_recent ?? 0),
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};
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},
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async recordWorkerHeartbeat(record) {
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await pool.query(
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`INSERT INTO ${workerTable} (worker_id, state_json, last_seen_at)
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VALUES ($1, $2::jsonb, $3)
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|
ON CONFLICT (worker_id) DO UPDATE
|
|
SET state_json = EXCLUDED.state_json,
|
|
last_seen_at = EXCLUDED.last_seen_at`,
|
|
[record.workerId, JSON.stringify(record), record.lastSeenAt],
|
|
);
|
|
return structuredClone(record);
|
|
},
|
|
|
|
async listWorkers({ now = Date.now(), staleAfterMs = 60_000 } = {}) {
|
|
const result = await pool.query(
|
|
`SELECT state_json
|
|
FROM ${workerTable}
|
|
ORDER BY last_seen_at DESC
|
|
LIMIT 500`,
|
|
);
|
|
return (result.rows ?? [])
|
|
.map(projectRow)
|
|
.filter(Boolean)
|
|
.map((worker) => ({
|
|
...worker,
|
|
stale: Number(worker.lastSeenAt ?? 0) < now - staleAfterMs,
|
|
}));
|
|
},
|
|
|
|
async listEvents(jobId, { after = 0, limit = 500 } = {}) {
|
|
const cursor = Math.max(0, Number(after) || 0);
|
|
const pageSize = Math.min(500, Math.max(1, Number(limit) || 500));
|
|
const result = await pool.query(
|
|
`SELECT event_json
|
|
FROM ${eventTable}
|
|
WHERE job_id = $1 AND sequence > $2
|
|
ORDER BY sequence ASC
|
|
LIMIT $3`,
|
|
[String(jobId ?? '').trim(), cursor, pageSize],
|
|
);
|
|
return (result.rows ?? []).map(projectEventRow).filter(Boolean);
|
|
},
|
|
};
|
|
}
|
|
|
|
export async function createExecutorJobPersistence({
|
|
mode = process.env.MEMIND_ORCHESTRATOR_CHECKPOINT_MODE,
|
|
connectionString = process.env.MEMIND_ORCHESTRATOR_DATABASE_URL,
|
|
schema = process.env.MEMIND_ORCHESTRATOR_DATABASE_SCHEMA,
|
|
poolFactory = (config) => new Pool(config),
|
|
} = {}) {
|
|
const normalizedMode = normalizeMode(mode);
|
|
if (normalizedMode === 'memory') {
|
|
const store = createInMemoryExecutorJobStore();
|
|
return {
|
|
kind: 'memory',
|
|
durable: false,
|
|
store,
|
|
async probe() {
|
|
return true;
|
|
},
|
|
async close() {},
|
|
};
|
|
}
|
|
|
|
const normalizedConnectionString = String(connectionString ?? '').trim();
|
|
if (!normalizedConnectionString) {
|
|
const error = new Error(
|
|
'MEMIND_ORCHESTRATOR_DATABASE_URL is required for PostgreSQL Executor Job Store',
|
|
);
|
|
error.code = 'ORCHESTRATOR_DATABASE_URL_REQUIRED';
|
|
throw error;
|
|
}
|
|
|
|
const normalizedSchema = normalizeSchema(schema);
|
|
const pool = poolFactory({ connectionString: normalizedConnectionString });
|
|
const store = createPostgresExecutorJobStore({ pool, schema: normalizedSchema });
|
|
try {
|
|
await store.ensureSchema();
|
|
} catch (error) {
|
|
try {
|
|
await pool.end?.();
|
|
} catch {
|
|
// Preserve the schema initialization failure.
|
|
}
|
|
throw error;
|
|
}
|
|
return {
|
|
kind: 'postgres',
|
|
durable: true,
|
|
store,
|
|
async probe() {
|
|
await pool.query('SELECT 1 AS ok');
|
|
return true;
|
|
},
|
|
async close() {
|
|
await pool.end?.();
|
|
},
|
|
};
|
|
}
|
|
|
|
export const executorJobStoreInternals = {
|
|
DEFAULT_EXECUTOR_SCHEMA,
|
|
EXECUTOR_JOB_TABLE,
|
|
EXECUTOR_JOB_EVENT_TABLE,
|
|
EXECUTOR_WORKER_TABLE,
|
|
appendEvent,
|
|
eventWithSequence,
|
|
normalizeMode,
|
|
normalizeSchema,
|
|
parseState,
|
|
projectEventRow,
|
|
projectRow,
|
|
withTransaction,
|
|
};
|