feat(submit): configurable confirm retries and idempotent confirm

Harden confirm_submit_job for unreliable test environments and transient
spark-submit failures:

- Add confirm_max_retries and confirm_retry_delay_seconds settings
  (env-configurable).
- SUBMITTED pending returns cached result without re-running spark-submit.
- FAILED pending is reset to PENDING and retried.
- CANCELLED pending is still rejected.
- On success, persist pending as SUBMITTED before creating the in-memory Job
  so a job_store failure cannot leave the record as PENDING while the YARN
  app is already running.
- Persist tracking_url on PendingSubmission for idempotent returns.

Tests cover retry-then-success, max-retries-exceeded, idempotency,
FAILED reset, and pending-saved-before-job-store.
This commit is contained in:
Claude
2026-06-26 15:51:51 +08:00
parent 9e7b425f09
commit a613c7bdb8
5 changed files with 240 additions and 29 deletions
+1
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@@ -1,4 +1,5 @@
# coding=utf-8
import json
from datetime import datetime
from pathlib import Path
+144 -1
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@@ -1,13 +1,20 @@
# coding=utf-8
from pathlib import Path
from unittest.mock import patch
import time
import pytest
from common.config import settings
from spark_executor.core import connection_store, pending_store
from spark_executor.core.pending_store import PendingStore
from spark_executor.models import Connection
from spark_executor.tools import submit
from spark_executor.core.spark_submit import SparkSubmitError
def _spark_proc(stderr: str = "tracking URL: http://rm:8088/proxy/application_17400000001/\n"):
return type("P", (), {"returncode": 0, "stderr": stderr})()
@pytest.fixture(autouse=True)
@@ -331,7 +338,6 @@ def test_confirm_refuses_non_pending_status(monkeypatch, real_script):
def test_confirm_marks_failed_on_spark_submit_error(monkeypatch, real_script):
from spark_executor.core.spark_submit import SparkSubmitError
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
@@ -345,6 +351,7 @@ def test_confirm_marks_failed_on_spark_submit_error(monkeypatch, real_script):
def _raise(_cmd):
raise SparkSubmitError("boom")
monkeypatch.setattr(submit, "run_spark_submit", _raise)
settings.confirm_max_retries = 0
with pytest.raises(SparkSubmitError):
submit.confirm_submit_job(pending_id=pid)
p = submit.pending_store.get(pid)
@@ -352,6 +359,142 @@ def test_confirm_marks_failed_on_spark_submit_error(monkeypatch, real_script):
assert "boom" in (p.error or "")
# --- confirm retry / idempotency ---
def test_confirm_retries_spark_submit_failure_then_succeeds(monkeypatch, real_script):
monkeypatch.setattr(time, "sleep", lambda _s: None)
settings.confirm_max_retries = 2
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
queue="default",
executor_memory="4G",
executor_cores=2,
num_executors=2,
app_name="test-app",
)
pid = _last_pending_id()
calls = []
def _maybe_fail(cmd):
calls.append(cmd)
if len(calls) < 3:
raise SparkSubmitError("transient")
return _spark_proc()
monkeypatch.setattr(submit, "run_spark_submit", _maybe_fail)
result = submit.confirm_submit_job(pending_id=pid)
assert result.application_id == "application_17400000001"
assert len(calls) == 3
p = submit.pending_store.get(pid)
assert p.status == "SUBMITTED"
def test_confirm_exhausts_retries_and_sets_failed(monkeypatch, real_script):
monkeypatch.setattr(time, "sleep", lambda _s: None)
settings.confirm_max_retries = 2
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
queue="default",
executor_memory="4G",
executor_cores=2,
num_executors=2,
app_name="test-app",
)
pid = _last_pending_id()
calls = []
def _always_fail(cmd):
calls.append(cmd)
raise SparkSubmitError("persistent")
monkeypatch.setattr(submit, "run_spark_submit", _always_fail)
with pytest.raises(SparkSubmitError, match="persistent"):
submit.confirm_submit_job(pending_id=pid)
assert len(calls) == 3
p = submit.pending_store.get(pid)
assert p.status == "FAILED"
assert "persistent" in (p.error or "")
def test_confirm_idempotent_when_submitted(monkeypatch, real_script):
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
queue="default",
executor_memory="4G",
executor_cores=2,
num_executors=2,
app_name="test-app",
)
pid = _last_pending_id()
monkeypatch.setattr(submit, "run_spark_submit", lambda _cmd: _spark_proc())
first = submit.confirm_submit_job(pending_id=pid)
call_count = [0]
def _counting_run(cmd):
call_count[0] += 1
return _spark_proc()
monkeypatch.setattr(submit, "run_spark_submit", _counting_run)
second = submit.confirm_submit_job(pending_id=pid)
assert call_count[0] == 0
assert second.job_id == first.job_id
assert second.application_id == first.application_id
assert second.tracking_url == first.tracking_url
def test_confirm_resets_failed_and_retries(monkeypatch, real_script):
monkeypatch.setattr(time, "sleep", lambda _s: None)
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
queue="default",
executor_memory="4G",
executor_cores=2,
num_executors=2,
app_name="test-app",
)
pid = _last_pending_id()
monkeypatch.setattr(
submit,
"run_spark_submit",
lambda _cmd: (_ for _ in ()).throw(SparkSubmitError("boom")),
)
with pytest.raises(SparkSubmitError):
submit.confirm_submit_job(pending_id=pid)
p = submit.pending_store.get(pid)
assert p.status == "FAILED"
assert "boom" in (p.error or "")
monkeypatch.setattr(submit, "run_spark_submit", lambda _cmd: _spark_proc())
result = submit.confirm_submit_job(pending_id=pid)
assert result.application_id == "application_17400000001"
p = submit.pending_store.get(pid)
assert p.status == "SUBMITTED"
assert p.error is None
def test_confirm_updates_pending_before_job_store(monkeypatch, real_script):
submit.prepare_submit_job(
connection="prod",
script_path=str(real_script),
queue="default",
executor_memory="4G",
executor_cores=2,
num_executors=2,
app_name="test-app",
)
pid = _last_pending_id()
monkeypatch.setattr(submit, "run_spark_submit", lambda _cmd: _spark_proc())
def _exploding_put(job):
raise RuntimeError("job_store unavailable")
monkeypatch.setattr(submit.job_store, "put", _exploding_put)
with pytest.raises(RuntimeError, match="job_store unavailable"):
submit.confirm_submit_job(pending_id=pid)
p = submit.pending_store.get(pid)
assert p.status == "SUBMITTED"
assert p.application_id == "application_17400000001"
assert p.tracking_url is not None
# --- list_pending_jobs ---
def test_list_pending_jobs_empty():