docs: project docs, scripts, deployment configs, and evidence

docs/evidence/ops/2026-03-24/alerting/20260324-102553/alertmanager.rendered.yaml

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+global:
+  resolve_timeout: 5m
+
+# 注意：
+# 该文件为模板文件，生产环境必须先注入并渲染 `${ALERTMANAGER_*}` 变量，
+# 再将渲染结果交给 Alertmanager 使用。
+
+# 告警路由
+route:
+  group_by: ['alertname', 'service']
+  group_wait: 30s
+  group_interval: 5m
+  repeat_interval: 12h
+  receiver: 'default'
+
+  # 子路由，根据严重级别分发
+  routes:
+    # Critical 告警
+    - match:
+        severity: critical
+      receiver: 'critical-alerts'
+      group_wait: 10s
+      continue: true
+
+    # Warning 告警
+    - match:
+        severity: warning
+      receiver: 'warning-alerts'
+      continue: true
+
+# 告警接收者
+receivers:
+  # 默认接收者
+  - name: 'default'
+    email_configs:
+      - to: 'ops-team@example.org'
+        from: 'alertmanager@example.org'
+        smarthost: 'smtp.example.org:587'
+        auth_username: 'alertmanager@example.org'
+        auth_password: 'synthetic-secret-for-render-drill'
+        headers:
+          Subject: '[{{ .Status | toUpper }}] {{ .GroupLabels.alertname }}'
+
+  # Critical 告警接收者
+  - name: 'critical-alerts'
+    email_configs:
+      - to: 'critical-oncall@example.org'
+        from: 'alertmanager@example.org'
+        smarthost: 'smtp.example.org:587'
+        auth_username: 'alertmanager@example.org'
+        auth_password: 'synthetic-secret-for-render-drill'
+        headers:
+          Subject: '[CRITICAL] {{ .GroupLabels.alertname }}'
+
+  # Warning 告警接收者
+  - name: 'warning-alerts'
+    email_configs:
+      - to: 'warning-oncall@example.org'
+        from: 'alertmanager@example.org'
+        smarthost: 'smtp.example.org:587'
+        auth_username: 'alertmanager@example.org'
+        auth_password: 'synthetic-secret-for-render-drill'
+        headers:
+          Subject: '[WARNING] {{ .GroupLabels.alertname }}'
+
+# 告警抑制规则
+inhibit_rules:
+  # 如果有 critical 告警，抑制同一服务的 warning 告警
+  - source_match:
+      severity: 'critical'
+    target_match:
+      severity: 'warning'
+    equal: ['service']
+
+# 告警静默规则（按需配置）
+# silences:
+#   - matchers:
+#       - name: alertname
+#         value: LowOnlineUsers
+#       - name: severity
+#         value: info
+#     startsAt: "2026-03-12T00:00:00+08:00"
+#     endsAt: "2026-03-12T23:59:59+08:00"
+#     comment: "维护期间静默低在线用户告警"
+