From b75043cb459d2ed4819c1f895c8340fc46f6fda8 Mon Sep 17 00:00:00 2001
From: panxiao81 <pan-xiao@live.cn>
Date: Fri, 25 Sep 2026 19:36:30 +0000
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E9=BD=90=E8=AF=81=E4=B9=A6=E3=80=81?=
 =?UTF-8?q?=E7=A7=98=E5=AF=86=E5=90=8C=E6=AD=A5=E3=80=81GitOps=20=E4=B8=8E?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE=E6=9C=8D=E5=8A=A1=E7=9B=91=E6=8E=A7=20(#160)?=
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Co-authored-by: panxiao81 <pan-xiao@live.cn>
---
 .../kube-state-metrics-helmrelease.yaml       | 194 ++++++++++++++++++
 .../observability/metrics/kustomization.yaml  |   5 +
 .../metrics/rules/data-services.yaml          | 148 +++++++++++++
 .../metrics/rules/platform-controllers.yaml   | 161 +++++++++++++++
 .../observability/metrics/scrapes/cnpg.yaml   |  22 ++
 .../metrics/scrapes/platform-controllers.yaml |  57 +++++
 .../metrics/scrapes/seaweedfs.yaml            |  25 +++
 .../metrics/tests/check-rules.sh              |   6 +-
 .../metrics/tests/platform.test.yaml          | 176 ++++++++++++++++
 9 files changed, 791 insertions(+), 3 deletions(-)
 create mode 100644 platform/observability/metrics/rules/data-services.yaml
 create mode 100644 platform/observability/metrics/rules/platform-controllers.yaml
 create mode 100644 platform/observability/metrics/scrapes/cnpg.yaml
 create mode 100644 platform/observability/metrics/scrapes/platform-controllers.yaml
 create mode 100644 platform/observability/metrics/scrapes/seaweedfs.yaml
 create mode 100644 platform/observability/metrics/tests/platform.test.yaml

diff --git a/platform/observability/metrics/exporters/kube-state-metrics-helmrelease.yaml b/platform/observability/metrics/exporters/kube-state-metrics-helmrelease.yaml
index ccab68e..af906ec 100644
--- a/platform/observability/metrics/exporters/kube-state-metrics-helmrelease.yaml
+++ b/platform/observability/metrics/exporters/kube-state-metrics-helmrelease.yaml
@@ -58,3 +58,197 @@ spec:
           honorLabels: true
     selfMonitor:
       enabled: true
+    rbac:
+      extraRules:
+      - apiGroups:
+        - kustomize.toolkit.fluxcd.io
+        resources:
+        - kustomizations
+        verbs:
+        - list
+        - watch
+      - apiGroups:
+        - helm.toolkit.fluxcd.io
+        resources:
+        - helmreleases
+        verbs:
+        - list
+        - watch
+      - apiGroups:
+        - source.toolkit.fluxcd.io
+        resources:
+        - gitrepositories
+        - helmrepositories
+        - helmcharts
+        - ocirepositories
+        verbs:
+        - list
+        - watch
+    customResourceState:
+      enabled: true
+      config:
+        kind: CustomResourceStateMetrics
+        spec:
+          resources:
+          - groupVersionKind:
+              group: kustomize.toolkit.fluxcd.io
+              version: v1
+              kind: Kustomization
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
+          - groupVersionKind:
+              group: helm.toolkit.fluxcd.io
+              version: v2
+              kind: HelmRelease
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
+          - groupVersionKind:
+              group: source.toolkit.fluxcd.io
+              version: v1
+              kind: GitRepository
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
+          - groupVersionKind:
+              group: source.toolkit.fluxcd.io
+              version: v1
+              kind: HelmRepository
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
+          - groupVersionKind:
+              group: source.toolkit.fluxcd.io
+              version: v1
+              kind: HelmChart
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
+          - groupVersionKind:
+              group: source.toolkit.fluxcd.io
+              version: v1
+              kind: OCIRepository
+            metricNamePrefix: gotk
+            metrics:
+            - name: resource_info
+              help: The current state of a GitOps Toolkit resource.
+              each:
+                type: Info
+                info:
+                  labelsFromPath:
+                    name:
+                    - metadata
+                    - name
+              labelsFromPath:
+                resource_namespace:
+                - metadata
+                - namespace
+                suspended:
+                - spec
+                - suspend
+                ready:
+                - status
+                - conditions
+                - '[type=Ready]'
+                - status
diff --git a/platform/observability/metrics/kustomization.yaml b/platform/observability/metrics/kustomization.yaml
index af1c18e..c0a5970 100644
--- a/platform/observability/metrics/kustomization.yaml
+++ b/platform/observability/metrics/kustomization.yaml
@@ -21,3 +21,8 @@ resources:
   - rules/kubernetes-health.yaml
   - rules/host-health.yaml
   - rules/monitoring-delivery.yaml
+  - scrapes/platform-controllers.yaml
+  - rules/platform-controllers.yaml
+  - scrapes/cnpg.yaml
+  - scrapes/seaweedfs.yaml
+  - rules/data-services.yaml
diff --git a/platform/observability/metrics/rules/data-services.yaml b/platform/observability/metrics/rules/data-services.yaml
new file mode 100644
index 0000000..a8d2696
--- /dev/null
+++ b/platform/observability/metrics/rules/data-services.yaml
@@ -0,0 +1,148 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: data-services
+  namespace: monitoring
+spec:
+  groups:
+  - name: data-services
+    interval: 30s
+    rules:
+    - alert: DataServiceMetricsUnavailable
+      expr: up{job="cnpg"} == 0 or absent(up{job="cnpg"})
+      for: 5m
+      labels:
+        severity: critical
+        job: cnpg
+      annotations:
+        summary: 数据服务 {{ $labels.job }} 指标不可用
+        description: 检查监控对象、Pod 与 exporter；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: DataServiceMetricsUnavailable
+      expr: up{job="seaweedfs-master"} == 0 or absent(up{job="seaweedfs-master"})
+      for: 5m
+      labels:
+        severity: critical
+        job: seaweedfs-master
+      annotations:
+        summary: 数据服务 {{ $labels.job }} 指标不可用
+        description: 检查监控对象、Pod 与 exporter；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: DataServiceMetricsUnavailable
+      expr: up{job="seaweedfs-volume"} == 0 or absent(up{job="seaweedfs-volume"})
+      for: 5m
+      labels:
+        severity: critical
+        job: seaweedfs-volume
+      annotations:
+        summary: 数据服务 {{ $labels.job }} 指标不可用
+        description: 检查监控对象、Pod 与 exporter；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: DataServiceMetricsUnavailable
+      expr: up{job="seaweedfs-filer"} == 0 or absent(up{job="seaweedfs-filer"})
+      for: 5m
+      labels:
+        severity: critical
+        job: seaweedfs-filer
+      annotations:
+        summary: 数据服务 {{ $labels.job }} 指标不可用
+        description: 检查监控对象、Pod 与 exporter；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: CnpgPostgresDown
+      expr: cnpg_collector_up{job="cnpg"} == 0
+      for: 2m
+      labels:
+        severity: critical
+      annotations:
+        summary: CNPG {{ $labels.pod }} PostgreSQL 不可用
+        description: 检查数据库 Pod 状态、实例日志和存储；exporter up 不代表数据库可用。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: CnpgMetricsCollectionFailed
+      expr: cnpg_collector_last_collection_error{job="cnpg"} == 1
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: CNPG {{ $labels.pod }} SQL 指标采集失败
+        description: 检查内置 exporter 日志、数据库连接与查询兼容性。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: CnpgConnectionsHigh
+      expr: sum by (job,namespace,pod) (cnpg_backends_total{job="cnpg"}) / on(job,namespace,pod)
+        max by(job,namespace,pod) (cnpg_pg_settings_setting{job="cnpg",name="max_connections"})
+        > 0.8
+      for: 10m
+      labels:
+        severity: warning
+      annotations:
+        summary: CNPG {{ $labels.pod }} 连接使用率超过 80%
+        description: 检查连接池、空闲连接和连接泄漏，不直接提高 max_connections。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: CnpgLongTransaction
+      expr: cnpg_backends_max_tx_duration_seconds{job="cnpg",state!="idle"} > 300
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: CNPG {{ $labels.pod }} 存在长事务
+        description: 事务持续超过五分钟并维持五分钟，检查阻塞与 idle in transaction；先确认业务再处理。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: NatsJetStreamStorageHigh
+      expr: nats_varz_jetstream_stats_storage{job="nats/nats"} / nats_varz_jetstream_config_max_storage{job="nats/nats"}
+        > 0.8
+      for: 10m
+      labels:
+        severity: warning
+      annotations:
+        summary: NATS JetStream 文件容量超过 80%
+        description: 检查服务端配额与消息保留策略；该指标不代表单个 Account 或 stream 配额。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: NatsJetStreamMemoryHigh
+      expr: nats_varz_jetstream_stats_memory{job="nats/nats"} / nats_varz_jetstream_config_max_memory{job="nats/nats"}
+        > 0.8
+      for: 10m
+      labels:
+        severity: warning
+      annotations:
+        summary: NATS JetStream 内存容量超过 80%
+        description: 检查 memory store 消息保留与服务端内存配额。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: NatsSlowConsumers
+      expr: increase(nats_varz_slow_consumers{job="nats/nats"}[10m]) > 0
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: NATS 检测到慢消费者
+        description: 检查消费者处理速率与网络；此规则不能代替 JetStream consumer 积压监控。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: SeaweedVolumeDiskLow
+      expr: SeaweedFS_volumeServer_resource{job="seaweedfs-volume",type="avail"} /
+        ignoring(type) SeaweedFS_volumeServer_resource{job="seaweedfs-volume",type="all"}
+        < 0.1
+      for: 10m
+      labels:
+        severity: warning
+      annotations:
+        summary: SeaweedFS {{ $labels.name }} 可用空间不足 10%
+        description: 检查 volume 文件系统容量、保留策略与底层 ZFS；不要直接删除卷文件。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: SeaweedVolumeDiskReadOnly
+      expr: SeaweedFS_volumeServer_read_only_volumes{job="seaweedfs-volume",type="isDiskSpaceLow"}
+        > 0
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: SeaweedFS 因磁盘空间不足限制卷写入
+        description: 检查磁盘容量和 volume 日志；主动只读或满卷切换不按此故障处理。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+    - alert: SeaweedVolumeWriteFailures
+      expr: increase(SeaweedFS_volumeServer_file_write_failures{job="seaweedfs-volume"}[5m])
+        > 0
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: SeaweedFS 卷写入失败
+        description: 检查 volume 日志、磁盘状态及上游请求；不代表已经验证 S3 端到端可用。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
diff --git a/platform/observability/metrics/rules/platform-controllers.yaml b/platform/observability/metrics/rules/platform-controllers.yaml
new file mode 100644
index 0000000..1985ba5
--- /dev/null
+++ b/platform/observability/metrics/rules/platform-controllers.yaml
@@ -0,0 +1,161 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: platform-controllers
+  namespace: monitoring
+spec:
+  groups:
+  - name: platform-controllers
+    interval: 30s
+    rules:
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="cert-manager"} == 0 or absent(up{job="cert-manager"})
+      for: 5m
+      labels:
+        severity: warning
+        job: cert-manager
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="external-secrets"} == 0 or absent(up{job="external-secrets"})
+      for: 5m
+      labels:
+        severity: warning
+        job: external-secrets
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="external-secrets-cert-controller"} == 0 or absent(up{job="external-secrets-cert-controller"})
+      for: 5m
+      labels:
+        severity: warning
+        job: external-secrets-cert-controller
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="external-secrets-webhook"} == 0 or absent(up{job="external-secrets-webhook"})
+      for: 5m
+      labels:
+        severity: warning
+        job: external-secrets-webhook
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="helm-controller"} == 0 or absent(up{job="helm-controller"})
+      for: 5m
+      labels:
+        severity: warning
+        job: helm-controller
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="kustomize-controller"} == 0 or absent(up{job="kustomize-controller"})
+      for: 5m
+      labels:
+        severity: warning
+        job: kustomize-controller
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="source-controller"} == 0 or absent(up{job="source-controller"})
+      for: 5m
+      labels:
+        severity: warning
+        job: source-controller
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: PlatformControllerMetricsUnavailable
+      expr: up{job="notification-controller"} == 0 or absent(up{job="notification-controller"})
+      for: 5m
+      labels:
+        severity: warning
+        job: notification-controller
+      annotations:
+        summary: 控制器 {{ $labels.job }} 指标不可用
+        description: 检查对应 Pod、监控 CR 转换与 targets；目标消失同样触发。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: CertificateNotReady
+      expr: certmanager_certificate_ready_status{job="cert-manager",condition="True"}
+        == 0
+      for: 15m
+      labels:
+        severity: warning
+      annotations:
+        summary: 证书 {{ $labels.namespace }}/{{ $labels.name }} 未就绪
+        description: 检查 Certificate、CertificateRequest、Issuer、Order 与 Challenge；允许短暂签发过程。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: CertificateExpiringSoon
+      expr: (certmanager_certificate_expiration_timestamp_seconds{job="cert-manager"}
+        - time() < 7 * 86400) and (certmanager_certificate_expiration_timestamp_seconds{job="cert-manager"}
+        - time() >= 86400)
+      for: 15m
+      labels:
+        severity: warning
+      annotations:
+        summary: 证书 {{ $labels.namespace }}/{{ $labels.name }} 将在七天内到期
+        description: 检查自动续期链路及实际入口证书；一天内到期由 critical 规则接替。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: CertificateExpiryCritical
+      expr: certmanager_certificate_expiration_timestamp_seconds{job="cert-manager"}
+        - time() < 86400
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: 证书 {{ $labels.namespace }}/{{ $labels.name }} 即将到期或已过期
+        description: 不足一天或已经过期；立即检查续期与入口证书。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: ExternalSecretNotReady
+      expr: externalsecret_status_condition{job="external-secrets",condition="Ready",status="True"}
+        == 0
+      for: 10m
+      labels:
+        severity: warning
+      annotations:
+        summary: Secret 同步 {{ $labels.namespace }}/{{ $labels.name }} 未就绪
+        description: 检查 ExternalSecret 状态及 provider 权限、网络；不要输出 Secret 内容。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: ClusterSecretStoreNotReady
+      expr: clustersecretstore_status_condition{job="external-secrets",condition="Ready",status="True"}
+        == 0
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: ClusterSecretStore {{ $labels.name }} 未就绪
+        description: 检查 OpenBao 可达性与 ESO 身份鉴权；可能影响多个命名空间。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: FluxResourceNotReady
+      expr: gotk_resource_info{job="kube-state-metrics",ready!="True",suspended!="true"}
+        == 1
+      for: 15m
+      labels:
+        severity: warning
+      annotations:
+        summary: Flux {{ $labels.customresource_kind }} {{ $labels.resource_namespace
+          }}/{{ $labels.name }} 未就绪
+        description: 检查对象 conditions、依赖和 controller 日志；主动 suspend 不触发，不自动解除暂停。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+    - alert: FluxStateMetricsMissing
+      expr: absent(gotk_resource_info{job="kube-state-metrics",customresource_kind="Kustomization",resource_namespace="flux-system",name="flux-system"})
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: Flux 对象状态指标缺失
+        description: 检查 kube-state-metrics 自定义资源配置、RBAC 与采集；不能把空结果当作健康。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
diff --git a/platform/observability/metrics/scrapes/cnpg.yaml b/platform/observability/metrics/scrapes/cnpg.yaml
new file mode 100644
index 0000000..1c5e5a9
--- /dev/null
+++ b/platform/observability/metrics/scrapes/cnpg.yaml
@@ -0,0 +1,22 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: cnpg
+  namespace: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+    - shared-db
+  selector:
+    matchLabels:
+      cnpg.io/cluster: shared-postgresql
+      cnpg.io/podRole: instance
+  podTargetLabels:
+  - cnpg.io/cluster
+  podMetricsEndpoints:
+  - port: metrics
+    interval: 30s
+    honorLabels: true
+    relabelings:
+    - targetLabel: job
+      replacement: cnpg
diff --git a/platform/observability/metrics/scrapes/platform-controllers.yaml b/platform/observability/metrics/scrapes/platform-controllers.yaml
new file mode 100644
index 0000000..d3b3c3b
--- /dev/null
+++ b/platform/observability/metrics/scrapes/platform-controllers.yaml
@@ -0,0 +1,57 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: cert-manager
+  namespace: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+    - cert-manager
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: cert-manager
+      app.kubernetes.io/component: controller
+  jobLabel: app.kubernetes.io/name
+  endpoints:
+  - port: http-metrics
+    interval: 30s
+    scrapeTimeout: 10s
+    honorLabels: true
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: external-secrets
+  namespace: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+    - external-secrets
+  selector:
+    matchLabels:
+      app.kubernetes.io/instance: external-secrets
+  jobLabel: app.kubernetes.io/name
+  podMetricsEndpoints:
+  - port: metrics
+    interval: 30s
+    scrapeTimeout: 10s
+    honorLabels: true
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: flux-controllers
+  namespace: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+    - flux-system
+  selector:
+    matchLabels:
+      app.kubernetes.io/part-of: flux
+  jobLabel: app
+  podMetricsEndpoints:
+  - port: http-prom
+    interval: 30s
+    scrapeTimeout: 10s
+    honorLabels: true
diff --git a/platform/observability/metrics/scrapes/seaweedfs.yaml b/platform/observability/metrics/scrapes/seaweedfs.yaml
new file mode 100644
index 0000000..fe37836
--- /dev/null
+++ b/platform/observability/metrics/scrapes/seaweedfs.yaml
@@ -0,0 +1,25 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: seaweedfs
+  namespace: monitoring
+spec:
+  namespaceSelector:
+    matchNames:
+    - seaweedfs
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: seaweedfs
+      app.kubernetes.io/instance: seaweedfs
+  endpoints:
+  - port: metrics
+    interval: 30s
+    honorLabels: true
+    relabelings:
+    - sourceLabels:
+      - __meta_kubernetes_service_name
+      regex: seaweedfs-(master|volume|filer)
+      action: keep
+    - sourceLabels:
+      - __meta_kubernetes_service_name
+      targetLabel: job
diff --git a/platform/observability/metrics/tests/check-rules.sh b/platform/observability/metrics/tests/check-rules.sh
index b36be38..8bac009 100644
--- a/platform/observability/metrics/tests/check-rules.sh
+++ b/platform/observability/metrics/tests/check-rules.sh
@@ -10,11 +10,11 @@ import sys
 import yaml
 
 groups = []
-for name in ("kubernetes-health", "host-health", "monitoring-delivery"):
+for name in ("kubernetes-health", "host-health", "monitoring-delivery", "platform-controllers", "data-services"):
     path = pathlib.Path(sys.argv[1]) / f"{name}.yaml"
     groups.extend(yaml.safe_load(path.read_text())["spec"]["groups"])
 pathlib.Path(sys.argv[2]).write_text(yaml.safe_dump({"groups": groups}, allow_unicode=True))
 PY
-cp "$test_dir/foundation.test.yaml" "$check_dir/foundation.test.yaml"
+cp "$test_dir/"*.test.yaml "$check_dir/"
 promtool check rules "$check_dir/rules.yaml"
-promtool test rules "$check_dir/foundation.test.yaml"
+promtool test rules "$check_dir/"*.test.yaml
diff --git a/platform/observability/metrics/tests/platform.test.yaml b/platform/observability/metrics/tests/platform.test.yaml
new file mode 100644
index 0000000..31b32f4
--- /dev/null
+++ b/platform/observability/metrics/tests/platform.test.yaml
@@ -0,0 +1,176 @@
+rule_files:
+- rules.yaml
+evaluation_interval: 1m
+tests:
+- name: Flux 暂停的失败对象不报警
+  interval: 1m
+  input_series:
+  - series: gotk_resource_info{job="kube-state-metrics",ready="False",suspended="true",customresource_kind="HelmRelease",resource_namespace="app",name="paused"}
+    values: 1x30
+  alert_rule_test:
+  - eval_time: 20m
+    alertname: FluxResourceNotReady
+    exp_alerts: []
+- name: Flux 缺省 suspend 仍检测失败
+  interval: 1m
+  input_series:
+  - series: gotk_resource_info{job="kube-state-metrics",ready="False",customresource_kind="HelmRelease",resource_namespace="app",name="broken"}
+    values: 1x30
+  alert_rule_test:
+  - eval_time: 10m
+    alertname: FluxResourceNotReady
+    exp_alerts: []
+  - eval_time: 16m
+    alertname: FluxResourceNotReady
+    exp_alerts:
+    - exp_labels:
+        job: kube-state-metrics
+        ready: 'False'
+        customresource_kind: HelmRelease
+        resource_namespace: app
+        name: broken
+        severity: warning
+      exp_annotations:
+        summary: Flux HelmRelease app/broken 未就绪
+        description: 检查对象 conditions、依赖和 controller 日志；主动 suspend 不触发，不自动解除暂停。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+- name: 证书一天内到期只由 critical 接替
+  interval: 1m
+  input_series:
+  - series: certmanager_certificate_expiration_timestamp_seconds{job="cert-manager",namespace="app",name="tls"}
+    values: 3600x30
+  alert_rule_test:
+  - eval_time: 20m
+    alertname: CertificateExpiringSoon
+    exp_alerts: []
+- name: 过期证书仍持续 critical
+  interval: 1m
+  input_series:
+  - series: certmanager_certificate_expiration_timestamp_seconds{job="cert-manager",namespace="app",name="tls"}
+    values: '0x30'
+  alert_rule_test:
+  - eval_time: 4m
+    alertname: CertificateExpiryCritical
+    exp_alerts: []
+  - eval_time: 6m
+    alertname: CertificateExpiryCritical
+    exp_alerts:
+    - exp_labels:
+        job: cert-manager
+        namespace: app
+        name: tls
+        severity: critical
+      exp_annotations:
+        summary: 证书 app/tls 即将到期或已过期
+        description: 不足一天或已经过期；立即检查续期与入口证书。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+- name: ESO False 零值不能导致健康对象误报
+  interval: 1m
+  input_series:
+  - series: externalsecret_status_condition{job="external-secrets",condition="Ready",status="False",namespace="app",name="credentials"}
+    values: '0x30'
+  - series: externalsecret_status_condition{job="external-secrets",condition="Ready",status="True",namespace="app",name="credentials"}
+    values: 1x30
+  alert_rule_test:
+  - eval_time: 20m
+    alertname: ExternalSecretNotReady
+    exp_alerts: []
+- name: ESO 失败持续十分钟报警
+  interval: 1m
+  input_series:
+  - series: externalsecret_status_condition{job="external-secrets",condition="Ready",status="True",namespace="app",name="credentials"}
+    values: '0x30'
+  alert_rule_test:
+  - eval_time: 9m
+    alertname: ExternalSecretNotReady
+    exp_alerts: []
+  - eval_time: 11m
+    alertname: ExternalSecretNotReady
+    exp_alerts:
+    - exp_labels:
+        job: external-secrets
+        condition: Ready
+        status: 'True'
+        namespace: app
+        name: credentials
+        severity: warning
+      exp_annotations:
+        summary: Secret 同步 app/credentials 未就绪
+        description: 检查 ExternalSecret 状态及 provider 权限、网络；不要输出 Secret 内容。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md
+- name: CNPG 聚合数据库连接并对齐实例限额
+  interval: 1m
+  input_series:
+  - series: cnpg_backends_total{job="cnpg",namespace="db",pod="pg-1",datname="a"}
+    values: 50x30
+  - series: cnpg_backends_total{job="cnpg",namespace="db",pod="pg-1",datname="b"}
+    values: 40x30
+  - series: cnpg_pg_settings_setting{job="cnpg",namespace="db",pod="pg-1",name="max_connections"}
+    values: 100x30
+  alert_rule_test:
+  - eval_time: 9m
+    alertname: CnpgConnectionsHigh
+    exp_alerts: []
+  - eval_time: 11m
+    alertname: CnpgConnectionsHigh
+    exp_alerts:
+    - exp_labels:
+        job: cnpg
+        namespace: db
+        pod: pg-1
+        severity: warning
+      exp_annotations:
+        summary: CNPG pg-1 连接使用率超过 80%
+        description: 检查连接池、空闲连接和连接泄漏，不直接提高 max_connections。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+- name: SeaweedFS 磁盘分母忽略 type 标签
+  interval: 1m
+  input_series:
+  - series: SeaweedFS_volumeServer_resource{job="seaweedfs-volume",name="/data",type="avail"}
+    values: 5x30
+  - series: SeaweedFS_volumeServer_resource{job="seaweedfs-volume",name="/data",type="all"}
+    values: 100x30
+  alert_rule_test:
+  - eval_time: 9m
+    alertname: SeaweedVolumeDiskLow
+    exp_alerts: []
+  - eval_time: 11m
+    alertname: SeaweedVolumeDiskLow
+    exp_alerts:
+    - exp_labels:
+        job: seaweedfs-volume
+        name: /data
+        severity: warning
+      exp_annotations:
+        summary: SeaweedFS /data 可用空间不足 10%
+        description: 检查 volume 文件系统容量、保留策略与底层 ZFS；不要直接删除卷文件。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-data-services.md
+- name: NATS 历史慢消费者计数不持续报警
+  interval: 1m
+  input_series:
+  - series: nats_varz_slow_consumers{job="nats/nats"}
+    values: 10x30
+  alert_rule_test:
+  - eval_time: 20m
+    alertname: NatsSlowConsumers
+    exp_alerts: []
+- name: Flux 根对象状态指标缺失报警
+  interval: 1m
+  input_series: []
+  alert_rule_test:
+  - eval_time: 4m
+    alertname: FluxStateMetricsMissing
+    exp_alerts: []
+  - eval_time: 6m
+    alertname: FluxStateMetricsMissing
+    exp_alerts:
+    - exp_labels:
+        job: kube-state-metrics
+        customresource_kind: Kustomization
+        resource_namespace: flux-system
+        name: flux-system
+        severity: warning
+      exp_annotations:
+        summary: Flux 对象状态指标缺失
+        description: 检查 kube-state-metrics 自定义资源配置、RBAC 与采集；不能把空结果当作健康。
+        runbook_url: https://git.ddupan.top/panxiao81/homelab-wiki/src/branch/main/guides/monitoring-controllers.md