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Add alert management functionality in backend and frontend

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This commit introduces alert management capabilities, including creating, updating, listing, and removing custom SQL-based alerts in the backend. It adds the necessary database migrations, API endpoints, and frontend pages to manage alerts, enabling users to define thresholds and monitor system health effectively.
This commit is contained in:
Sascha Nesterovic
2026-02-12 12:50:11 +01:00
parent d76a838bbb
commit 4035335901
11 changed files with 1236 additions and 5 deletions
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26
backend/app/services/collector.py
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@@ -41,7 +41,19 @@ async def collect_target(target: Target) -> None:
try:
stat_db = await conn.fetchrow(
"""
SELECT numbackends, xact_commit, xact_rollback, blks_hit, blks_read, tup_returned, tup_fetched
SELECT
numbackends,
xact_commit,
xact_rollback,
deadlocks,
temp_files,
temp_bytes,
blk_read_time,
blk_write_time,
blks_hit,
blks_read,
tup_returned,
tup_fetched
FROM pg_stat_database
WHERE datname = current_database()
"""
@@ -67,6 +79,11 @@ async def collect_target(target: Target) -> None:
"numbackends": 0,
"xact_commit": 0,
"xact_rollback": 0,
"deadlocks": 0,
"temp_files": 0,
"temp_bytes": 0,
"blk_read_time": 0,
"blk_write_time": 0,
"blks_hit": 0,
"blks_read": 0,
"tup_returned": 0,
@@ -106,6 +123,13 @@ async def collect_target(target: Target) -> None:
await _store_metric(db, target.id, "connections_total", activity["total_connections"], {})
await _store_metric(db, target.id, "connections_active", activity["active_connections"], {})
await _store_metric(db, target.id, "xacts_total", stat_db["xact_commit"] + stat_db["xact_rollback"], {})
await _store_metric(db, target.id, "xact_commit", stat_db["xact_commit"], {})
await _store_metric(db, target.id, "xact_rollback", stat_db["xact_rollback"], {})
await _store_metric(db, target.id, "deadlocks", stat_db["deadlocks"], {})
await _store_metric(db, target.id, "temp_files", stat_db["temp_files"], {})
await _store_metric(db, target.id, "temp_bytes", stat_db["temp_bytes"], {})
await _store_metric(db, target.id, "blk_read_time", stat_db["blk_read_time"], {})
await _store_metric(db, target.id, "blk_write_time", stat_db["blk_write_time"], {})
await _store_metric(db, target.id, "cache_hit_ratio", cache_hit_ratio, {})
await _store_metric(db, target.id, "locks_total", lock_count, {})
await _store_metric(db, target.id, "checkpoints_timed", bgwriter["checkpoints_timed"], {})