Mark interrupted biz-state batches as partial on API restart.

Clear stuck collect_running without re-dispatching; finalize in-flight commands as failed with interrupted_by_restart.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-09-22 15:44:16 +08:00
parent 586ca69d3f
commit 12b60c2a52
3 changed files with 179 additions and 13 deletions

View file

@ -144,21 +144,18 @@ def run_api_startup() -> None:
if pt_cleared:
_log.info("startup: cleared %s port_traffic stuck collect_running flag(s)", pt_cleared)
try:
from .models import BizStateTask
from .biz_state.collect_recovery import recover_interrupted_collects_on_startup
stuck = (
db.query(BizStateTask)
.filter(BizStateTask.collect_running.is_(True))
.all()
)
for t in stuck:
t.collect_running = False
t.last_error = (t.last_error or "")[:900] + " | reset_on_startup"
if stuck:
db.commit()
_log.info("startup: cleared %s biz_state stuck collect_running flag(s)", len(stuck))
rec = recover_interrupted_collects_on_startup(db)
if rec.get("batches") or rec.get("tasks"):
_log.info(
"startup: biz_state interrupted recover batches=%s cmds=%s tasks=%s",
rec.get("batches"),
rec.get("commands"),
rec.get("tasks"),
)
except Exception:
_log.exception("startup: biz_state collect_running recovery failed")
_log.exception("startup: biz_state collect recovery failed")
try:
from .port_traffic_migrate import backfill_port_traffic_series

View file

@ -0,0 +1,76 @@
"""Recover biz-state collects interrupted by process restart."""
from __future__ import annotations
import logging
from typing import Any
from sqlalchemy.orm import Session
from ..models import BizStateBatch, BizStateBatchCommand, BizStateTask
from ..timeutil import utcnow_naive
_log = logging.getLogger("netx.biz_state.recovery")
_INTERRUPT_MARK = "interrupted_by_restart"
def recover_interrupted_collects_on_startup(db: Session) -> dict[str, Any]:
"""Mark orphaned running batches as partial; clear stuck collect_running.
Does **not** resume or re-dispatch collects — process crash mid-batch leaves
whatever rows/commands were already persisted.
"""
now = utcnow_naive()
batch_n = 0
cmd_n = 0
task_n = 0
stuck_batches = (
db.query(BizStateBatch).filter(BizStateBatch.status == "running").all()
)
for b in stuck_batches:
b.status = "partial"
if not b.ended_at:
b.ended_at = now
msg = str(b.message or "").strip()
if _INTERRUPT_MARK not in msg:
b.message = f"{msg} | {_INTERRUPT_MARK}".strip(" |")[:1020]
batch_n += 1
running_cmds = (
db.query(BizStateBatchCommand)
.filter(
BizStateBatchCommand.batch_id == b.id,
BizStateBatchCommand.parse_status == "running",
)
.all()
)
for c in running_cmds:
c.parse_status = "failed"
cmsg = str(c.message or "").strip()
if _INTERRUPT_MARK not in cmsg:
c.message = f"{cmsg} | {_INTERRUPT_MARK}".strip(" |")[:1020]
cmd_n += 1
stuck_tasks = (
db.query(BizStateTask).filter(BizStateTask.collect_running.is_(True)).all()
)
for t in stuck_tasks:
t.collect_running = False
if not t.last_collect_ended_at:
t.last_collect_ended_at = now
err = str(t.last_error or "").strip()
if _INTERRUPT_MARK not in err:
t.last_error = f"{err} | {_INTERRUPT_MARK}".strip(" |")[:1020]
task_n += 1
if batch_n or task_n or cmd_n:
db.commit()
_log.info(
"startup: biz_state recover interrupted batches=%s cmds=%s tasks=%s",
batch_n,
cmd_n,
task_n,
)
return {"batches": batch_n, "commands": cmd_n, "tasks": task_n}

View file

@ -0,0 +1,93 @@
"""Startup recovery for interrupted biz-state collects."""
from __future__ import annotations
import unittest
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from netx_api.biz_state.collect_recovery import recover_interrupted_collects_on_startup
from netx_api.db import Base
from netx_api.models import BizStateBatch, BizStateBatchCommand, BizStateTask
class BizStateCollectRecoveryTests(unittest.TestCase):
def setUp(self) -> None:
engine = create_engine("sqlite+pysqlite:///:memory:", future=True)
TestingSession = sessionmaker(
bind=engine, autoflush=False, autocommit=False, expire_on_commit=False
)
Base.metadata.create_all(bind=engine)
self.db = TestingSession()
self.task = BizStateTask(
id="t1",
source="managed",
ne_id="ne1",
ne_name="PE1",
status="running",
collect_running=True,
interval_sec=300,
)
self.db.add(self.task)
self.batch = BizStateBatch(
id="b1",
task_id="t1",
status="running",
command_count=1,
row_count=2,
message="",
)
self.db.add(self.batch)
self.db.add(
BizStateBatchCommand(
id="c1",
batch_id="b1",
profile_id="zte.lldp_neighbors",
parser_id="lldp_neighbors",
metric_id="lldp_neighbor",
raw_command="show lldp neighbor brief",
parse_status="running",
row_count=0,
)
)
self.db.add(
BizStateBatch(
id="b_ok",
task_id="t1",
status="success",
command_count=1,
row_count=1,
)
)
self.db.commit()
def tearDown(self) -> None:
self.db.close()
def test_running_batch_becomes_partial_no_resume(self) -> None:
out = recover_interrupted_collects_on_startup(self.db)
self.assertEqual(out["batches"], 1)
self.assertEqual(out["tasks"], 1)
self.assertEqual(out["commands"], 1)
self.db.refresh(self.batch)
self.db.refresh(self.task)
self.assertEqual(self.batch.status, "partial")
self.assertIsNotNone(self.batch.ended_at)
self.assertIn("interrupted_by_restart", self.batch.message)
self.assertFalse(self.task.collect_running)
self.assertIn("interrupted_by_restart", self.task.last_error or "")
cmd = self.db.get(BizStateBatchCommand, "c1")
assert cmd is not None
self.assertEqual(cmd.parse_status, "failed")
self.assertIn("interrupted_by_restart", cmd.message or "")
ok = self.db.get(BizStateBatch, "b_ok")
assert ok is not None
self.assertEqual(ok.status, "success")
if __name__ == "__main__":
unittest.main()