新增共享 PG 的 SQL 级指标与 dev 告警分流
- 数据库主机上按实例运行 prometheus-community/postgres_exporter 0.20.1, 以实例 OS 用户走本地 socket,经 peer + ident 映射到仅有 pg_monitor 的 homelab_monitor 角色;无密码、不经 Bao。版本与官方 sha256sums.txt 同源。 - prod/dev 启用 pg_stat_statements;monitoring.yml 仅在未生效时 reload/重启 (prod 走 Patroni pending restart),重复执行 changed=0。 - 告警以上游 postgres_mixin 为底改写为 PrometheusRule,阈值对齐 Patroni failover lag 与 max_slot_wal_keep_size;抓取目标带 env 标签。 - Alertmanager 新增 env="dev" 路由到独立 dev 频道,dev SQL 检查告警补 env。 Co-Authored-By: Claude Opus 5.5 <[email protected]>
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@@ -16,6 +16,10 @@ spec:
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group_interval: 5m
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repeat_interval: 4h
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routes:
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# dev 必须排第一且不 continue:否则 dev 告警会被后面的 severity 路由送进生产频道。
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- receiver: telegram-dev
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matchers:
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- env="dev"
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- receiver: telegram
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matchers:
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- severity="critical"
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@@ -37,6 +41,11 @@ spec:
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- bot_token_file: /etc/vm/secrets/alertmanager-telegram/telegram_bot_token
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chat_id: -1003956377923
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send_resolved: true
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- name: telegram-dev
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telegram_configs:
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- bot_token_file: /etc/vm/secrets/alertmanager-telegram/telegram_bot_token
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chat_id: -1003651477106
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send_resolved: true
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resources:
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requests:
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cpu: 25m
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