upload.go:
- Update → Patch (MergeFrom) to avoid resourceVersion conflict when operator
modifies Function between Get() and Update()
terraform provider v0.1.1:
- trigger_resource.go: trToModel returns StringNull() for empty schedule
(fixes 'provider produced inconsistent result' for http triggers)
- main.go: bump version to 0.1.1
examples/pg-query:
- handler.py: fix column name started_at → created_at (matches migrations/001)
- main.tf: pin provider to ~> 0.1.1
.gitignore: add terraform state, lock, .terraform/, handler.zip
doc/errors/log.md: documented all 5 errors from this session:
- resourceVersion conflict → use Patch
- terraform inconsistent result for schedule → StringNull
- terraform import not implemented → delete+recreate workaround
- wrong column name → check migrations before writing handlers
- Deployment not restarting after image rebuild → rollout restart / TODO: restartedAt annotation
doc/progress.md: terraform apply e2e ✅
40 lines
1.7 KiB
Python
40 lines
1.7 KiB
Python
# 2026-03-07
|
||
# handler.py — пример serverless функции, работающей с PostgreSQL.
|
||
# Подключается к postgres.sless.svc.cluster.local:5432 (внутри кластера).
|
||
# DSN берётся из env переменной PG_DSN (задаётся через env_vars ресурса sless_function).
|
||
# handle(event) — принимает JSON event, возвращает список записей из таблицы invocations.
|
||
import os
|
||
import json
|
||
|
||
def handle(event):
|
||
# psycopg2 входит в python:3.11-slim через pip install ниже,
|
||
# либо нужно добавить в Dockerfile — для этого примера устанавливаем через requirements.txt.
|
||
try:
|
||
import psycopg2
|
||
import psycopg2.extras
|
||
except ImportError:
|
||
return {"error": "psycopg2 not installed — add requirements.txt with psycopg2-binary"}
|
||
|
||
dsn = os.environ.get("PG_DSN", "")
|
||
if not dsn:
|
||
return {"error": "PG_DSN env variable is not set"}
|
||
|
||
limit = event.get("limit", 5)
|
||
|
||
conn = psycopg2.connect(dsn)
|
||
try:
|
||
cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
|
||
cur.execute("SELECT id, namespace, function_name, status, created_at FROM invocations ORDER BY created_at DESC LIMIT %s", (limit,))
|
||
rows = cur.fetchall()
|
||
# RealDictCursor возвращает объекты, сериализуем вручную
|
||
result = []
|
||
for row in rows:
|
||
r = dict(row)
|
||
# datetime → str
|
||
if r.get("created_at"):
|
||
r["created_at"] = str(r["created_at"])
|
||
result.append(r)
|
||
return {"invocations": result, "count": len(result)}
|
||
finally:
|
||
conn.close()
|