AppFactory Bot
439 lines
11 KiB
Python
439 lines
11 KiB
Python
import json
|
|
import os
|
|
import signal
|
|
import socket
|
|
import sqlite3
|
|
import subprocess
|
|
import threading
|
|
import time
|
|
from pathlib import Path
|
|
|
|
from fastapi import FastAPI
|
|
|
|
DB_FILE = Path("/opt/appfactory/data/appfactory/appfactory.db")
|
|
TOOLS_DIR = Path("/tools")
|
|
|
|
WORKER_ID = os.getenv("APPFACTORY_WORKER_ID", socket.gethostname())
|
|
POLL_SECONDS = int(os.getenv("APPFACTORY_WORKER_POLL_SECONDS", "3"))
|
|
HEARTBEAT_SECONDS = int(os.getenv("APPFACTORY_WORKER_HEARTBEAT_SECONDS", "10"))
|
|
CANCEL_CHECK_SECONDS = int(os.getenv("APPFACTORY_CANCEL_CHECK_SECONDS", "2"))
|
|
|
|
app = FastAPI(title="AppFactory Worker")
|
|
|
|
_worker_thread = None
|
|
_heartbeat_thread = None
|
|
_worker_started = False
|
|
|
|
|
|
def get_connection():
|
|
con = sqlite3.connect(DB_FILE, timeout=30)
|
|
con.row_factory = sqlite3.Row
|
|
return con
|
|
|
|
|
|
def append_job_log(job_id: int, stream: str, message: str):
|
|
con = get_connection()
|
|
con.execute(
|
|
"""
|
|
INSERT INTO job_logs (job_id, stream, message, created_at)
|
|
VALUES (?, ?, ?, CURRENT_TIMESTAMP)
|
|
""",
|
|
(job_id, stream, message),
|
|
)
|
|
con.commit()
|
|
con.close()
|
|
|
|
|
|
def get_job_status(job_id: int) -> str | None:
|
|
con = get_connection()
|
|
row = con.execute(
|
|
"SELECT status FROM jobs WHERE id = ?",
|
|
(job_id,),
|
|
).fetchone()
|
|
con.close()
|
|
|
|
if not row:
|
|
return None
|
|
|
|
return row["status"]
|
|
|
|
|
|
def update_worker_status(current_job_id=None):
|
|
con = get_connection()
|
|
|
|
con.execute(
|
|
"""
|
|
INSERT INTO workers (
|
|
id,
|
|
status,
|
|
started_at,
|
|
last_seen_at,
|
|
current_job_id,
|
|
metadata_json
|
|
)
|
|
VALUES (
|
|
?,
|
|
'online',
|
|
CURRENT_TIMESTAMP,
|
|
CURRENT_TIMESTAMP,
|
|
?,
|
|
?
|
|
)
|
|
ON CONFLICT(id)
|
|
DO UPDATE SET
|
|
status = 'online',
|
|
last_seen_at = CURRENT_TIMESTAMP,
|
|
current_job_id = excluded.current_job_id,
|
|
metadata_json = excluded.metadata_json
|
|
""",
|
|
(
|
|
WORKER_ID,
|
|
current_job_id,
|
|
json.dumps(
|
|
{
|
|
"poll_seconds": POLL_SECONDS,
|
|
"heartbeat_seconds": HEARTBEAT_SECONDS,
|
|
"cancel_check_seconds": CANCEL_CHECK_SECONDS,
|
|
},
|
|
ensure_ascii=False,
|
|
),
|
|
),
|
|
)
|
|
|
|
con.commit()
|
|
con.close()
|
|
|
|
|
|
def heartbeat_loop():
|
|
while True:
|
|
try:
|
|
update_worker_status()
|
|
except Exception as exc:
|
|
print(f"Heartbeat error: {exc}", flush=True)
|
|
|
|
time.sleep(HEARTBEAT_SECONDS)
|
|
|
|
|
|
def recover_stale_jobs():
|
|
con = get_connection()
|
|
|
|
rows = con.execute(
|
|
"""
|
|
SELECT id
|
|
FROM jobs
|
|
WHERE status IN ('running', 'cancelled_requested')
|
|
AND started_at < datetime('now', '-15 minutes')
|
|
"""
|
|
).fetchall()
|
|
|
|
for row in rows:
|
|
job_id = row["id"]
|
|
|
|
con.execute(
|
|
"""
|
|
UPDATE jobs
|
|
SET status = 'failed',
|
|
finished_at = CURRENT_TIMESTAMP,
|
|
error_text = 'Worker recovery: stale running job'
|
|
WHERE id = ?
|
|
""",
|
|
(job_id,),
|
|
)
|
|
|
|
con.execute(
|
|
"""
|
|
INSERT INTO job_logs (job_id, stream, message, created_at)
|
|
VALUES (?, 'system', 'Worker recovery marked stale running job as failed', CURRENT_TIMESTAMP)
|
|
""",
|
|
(job_id,),
|
|
)
|
|
|
|
con.commit()
|
|
con.close()
|
|
|
|
|
|
def update_job_status(job_id: int, status: str, error_text: str | None = None, result: dict | None = None):
|
|
con = get_connection()
|
|
|
|
if status == "running":
|
|
con.execute(
|
|
"""
|
|
UPDATE jobs
|
|
SET status = 'running',
|
|
started_at = COALESCE(started_at, CURRENT_TIMESTAMP),
|
|
worker_id = ?
|
|
WHERE id = ?
|
|
""",
|
|
(WORKER_ID, job_id),
|
|
)
|
|
elif status in ("success", "failed", "cancelled"):
|
|
con.execute(
|
|
"""
|
|
UPDATE jobs
|
|
SET status = ?,
|
|
finished_at = CURRENT_TIMESTAMP,
|
|
error_text = ?,
|
|
result_json = ?
|
|
WHERE id = ?
|
|
""",
|
|
(
|
|
status,
|
|
error_text,
|
|
json.dumps(result or {}, ensure_ascii=False),
|
|
job_id,
|
|
),
|
|
)
|
|
|
|
con.commit()
|
|
con.close()
|
|
|
|
|
|
def get_next_job():
|
|
con = get_connection()
|
|
|
|
con.execute("BEGIN IMMEDIATE")
|
|
|
|
row = con.execute(
|
|
"""
|
|
SELECT *
|
|
FROM jobs
|
|
WHERE status = 'queued'
|
|
ORDER BY id ASC
|
|
LIMIT 1
|
|
"""
|
|
).fetchone()
|
|
|
|
if not row:
|
|
con.commit()
|
|
con.close()
|
|
return None
|
|
|
|
job_id = row["id"]
|
|
|
|
running_same_target = con.execute(
|
|
"""
|
|
SELECT id
|
|
FROM jobs
|
|
WHERE status IN ('running', 'cancelled_requested')
|
|
AND target_type = ?
|
|
AND target_id = ?
|
|
AND id != ?
|
|
LIMIT 1
|
|
""",
|
|
(row["target_type"], row["target_id"], job_id),
|
|
).fetchone()
|
|
|
|
if running_same_target:
|
|
con.commit()
|
|
con.close()
|
|
return None
|
|
|
|
con.execute(
|
|
"""
|
|
UPDATE jobs
|
|
SET status = 'running',
|
|
started_at = CURRENT_TIMESTAMP,
|
|
worker_id = ?
|
|
WHERE id = ?
|
|
AND status = 'queued'
|
|
""",
|
|
(WORKER_ID, job_id),
|
|
)
|
|
|
|
con.commit()
|
|
con.close()
|
|
|
|
return dict(row)
|
|
|
|
|
|
def build_env(job: dict):
|
|
payload = json.loads(job.get("payload_json") or "{}")
|
|
|
|
env = os.environ.copy()
|
|
env["APPFACTORY_TRIGGER_SOURCE"] = job.get("source") or "worker"
|
|
env["APPFACTORY_TRIGGERED_BY_USER_ID"] = str(job.get("created_by_user_id") or "")
|
|
env["APPFACTORY_TRIGGERED_BY_USERNAME"] = str(job.get("created_by_username") or "")
|
|
env["APPFACTORY_TRIGGERED_BY_DISPLAY_NAME"] = str(job.get("created_by_display_name") or "")
|
|
env["APPFACTORY_COMMIT_AUTHOR"] = str(payload.get("commit_author") or "")
|
|
env["APPFACTORY_PUSHER"] = str(payload.get("pusher") or "")
|
|
env["APPFACTORY_COMMIT_SHA"] = str(payload.get("commit_sha") or "")
|
|
|
|
return env
|
|
|
|
|
|
def command_for_job(job: dict):
|
|
job_type = job["type"]
|
|
target_id = job["target_id"]
|
|
|
|
if job_type == "deploy_app":
|
|
return [str(TOOLS_DIR / "deploy-app.sh"), target_id]
|
|
|
|
if job_type == "deploy_core_service":
|
|
return [str(TOOLS_DIR / "deploy-core-service.sh"), target_id]
|
|
|
|
raise ValueError(f"Unsupported job type: {job_type}")
|
|
|
|
|
|
def terminate_process(process: subprocess.Popen, job_id: int):
|
|
append_job_log(job_id, "system", "Cancel requested. Terminating process...")
|
|
|
|
try:
|
|
process.terminate()
|
|
process.wait(timeout=10)
|
|
append_job_log(job_id, "system", "Process terminated.")
|
|
except subprocess.TimeoutExpired:
|
|
append_job_log(job_id, "system", "Process did not terminate in time. Killing process...")
|
|
process.kill()
|
|
process.wait(timeout=10)
|
|
append_job_log(job_id, "system", "Process killed.")
|
|
except Exception as exc:
|
|
append_job_log(job_id, "stderr", f"Error while terminating process: {exc}")
|
|
|
|
|
|
def execute_job(job: dict):
|
|
job_id = int(job["id"])
|
|
target = job["target_id"]
|
|
|
|
update_worker_status(current_job_id=job_id)
|
|
append_job_log(job_id, "system", f"Worker {WORKER_ID} started job {job_id} for {target}")
|
|
update_job_status(job_id, "running")
|
|
|
|
try:
|
|
command = command_for_job(job)
|
|
env = build_env(job)
|
|
|
|
append_job_log(job_id, "system", "Command: " + " ".join(command))
|
|
|
|
process = subprocess.Popen(
|
|
command,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
text=True,
|
|
env=env,
|
|
start_new_session=True,
|
|
)
|
|
|
|
while process.poll() is None:
|
|
status = get_job_status(job_id)
|
|
|
|
if status == "cancelled_requested":
|
|
try:
|
|
os.killpg(os.getpgid(process.pid), signal.SIGTERM)
|
|
except Exception:
|
|
terminate_process(process, job_id)
|
|
else:
|
|
try:
|
|
process.wait(timeout=10)
|
|
except subprocess.TimeoutExpired:
|
|
try:
|
|
os.killpg(os.getpgid(process.pid), signal.SIGKILL)
|
|
except Exception:
|
|
process.kill()
|
|
process.wait(timeout=10)
|
|
|
|
update_job_status(
|
|
job_id,
|
|
"cancelled",
|
|
error_text="Job cancelled by user request",
|
|
result={"cancelled": True},
|
|
)
|
|
append_job_log(job_id, "system", "Job cancelled.")
|
|
return
|
|
|
|
time.sleep(CANCEL_CHECK_SECONDS)
|
|
|
|
stdout, stderr = process.communicate()
|
|
returncode = process.returncode
|
|
|
|
if stdout:
|
|
append_job_log(job_id, "stdout", stdout)
|
|
|
|
if stderr:
|
|
append_job_log(job_id, "stderr", stderr)
|
|
|
|
if get_job_status(job_id) == "cancelled_requested":
|
|
update_job_status(
|
|
job_id,
|
|
"cancelled",
|
|
error_text="Job cancelled by user request",
|
|
result={"returncode": returncode, "cancelled": True},
|
|
)
|
|
append_job_log(job_id, "system", "Job cancelled after process finished.")
|
|
return
|
|
|
|
if returncode == 0:
|
|
update_job_status(
|
|
job_id,
|
|
"success",
|
|
result={
|
|
"returncode": returncode,
|
|
"stdout_length": len(stdout or ""),
|
|
"stderr_length": len(stderr or ""),
|
|
},
|
|
)
|
|
append_job_log(job_id, "system", "Job finished successfully")
|
|
else:
|
|
update_job_status(
|
|
job_id,
|
|
"failed",
|
|
error_text=f"Command failed with return code {returncode}",
|
|
result={"returncode": returncode},
|
|
)
|
|
append_job_log(job_id, "system", f"Job failed with return code {returncode}")
|
|
|
|
except Exception as exc:
|
|
update_job_status(job_id, "failed", error_text=str(exc))
|
|
append_job_log(job_id, "stderr", str(exc))
|
|
|
|
finally:
|
|
update_worker_status(current_job_id=None)
|
|
|
|
|
|
def worker_loop():
|
|
while True:
|
|
try:
|
|
recover_stale_jobs()
|
|
|
|
job = get_next_job()
|
|
|
|
if job:
|
|
execute_job(job)
|
|
else:
|
|
time.sleep(POLL_SECONDS)
|
|
|
|
except Exception as exc:
|
|
print(f"Worker loop error: {exc}", flush=True)
|
|
time.sleep(POLL_SECONDS)
|
|
|
|
|
|
@app.on_event("startup")
|
|
def start_worker():
|
|
global _worker_thread
|
|
global _heartbeat_thread
|
|
global _worker_started
|
|
|
|
if _worker_started:
|
|
return
|
|
|
|
recover_stale_jobs()
|
|
update_worker_status(current_job_id=None)
|
|
|
|
_worker_started = True
|
|
|
|
_heartbeat_thread = threading.Thread(target=heartbeat_loop, daemon=True)
|
|
_heartbeat_thread.start()
|
|
|
|
_worker_thread = threading.Thread(target=worker_loop, daemon=True)
|
|
_worker_thread.start()
|
|
|
|
|
|
@app.get("/health")
|
|
def health():
|
|
return {
|
|
"status": "ok",
|
|
"worker_id": WORKER_ID,
|
|
"poll_seconds": POLL_SECONDS,
|
|
"heartbeat_seconds": HEARTBEAT_SECONDS,
|
|
"cancel_check_seconds": CANCEL_CHECK_SECONDS,
|
|
}
|