Added smartctl exporter.

kubernetes/apps/observability/kustomization.yaml

@@ -10,7 +10,7 @@ resources:
   # - ./grafana/ks.yaml
   - ./kube-prometheus-stack/ks.yaml
   - ./loki/ks.yaml
-  # - ./smartctl-exporter/ks.yaml
+  - ./smartctl-exporter/ks.yaml
   # - ./snmp-exporter/ks.yaml
   - ./thanos/ks.yaml
   # - ./unpoller/ks.yaml

kubernetes/apps/observability/smartctl-exporter/app/helmrelease.yaml

@@ -0,0 +1,37 @@
+---
+# yaml-language-server: $schema=https://ks.hsn.dev/helm.toolkit.fluxcd.io/helmrelease_v2beta2.json
+apiVersion: helm.toolkit.fluxcd.io/v2beta2
+kind: HelmRelease
+metadata:
+  name: &app smartctl-exporter
+spec:
+  interval: 30m
+  chart:
+    spec:
+      chart: prometheus-smartctl-exporter
+      version: 0.7.1
+      sourceRef:
+        kind: HelmRepository
+        name: prometheus-community
+        namespace: flux-system
+  install:
+    remediation:
+      retries: 3
+  upgrade:
+    cleanupOnFail: true
+    remediation:
+      retries: 3
+  uninstall:
+    keepHistory: false
+  dependsOn:
+    - name: kube-prometheus-stack
+      namespace: observability
+  values:
+    fullnameOverride: *app
+    config:
+      devices:
+        - /dev/sda
+    serviceMonitor:
+      enabled: true
+    prometheusRules:
+      enabled: false

kubernetes/apps/observability/smartctl-exporter/app/kustomization.yaml

@@ -0,0 +1,7 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./helmrelease.yaml
+  - ./prometheusrule.yaml

kubernetes/apps/observability/smartctl-exporter/app/prometheusrule.yaml

@@ -0,0 +1,67 @@
+---
+# yaml-language-server: $schema=https://ks.hsn.dev/monitoring.coreos.com/prometheusrule_v1.json
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: smartctl-exporter-rules
+spec:
+  groups:
+    - name: smartctl-exporter.rules
+      rules:
+        - alert: SmartDeviceHighTemperature
+          annotations:
+            summary: Mounted drive {{ $labels.device }} on device {{ $labels.instance }}
+              has a temperature higher than 65°C.
+          expr: smartctl_device_temperature > 65
+          for: 15m
+          labels:
+            severity: critical
+        - alert: SmartDeviceTestFailed
+          annotations:
+            summary: Mounted drive {{ $labels.device }} on device {{ $labels.instance }}
+              did not pass its SMART test.
+          expr: |
+            (
+              smartctl_device_smart_status != 1
+            or
+              smartctl_device_status != 1
+            )
+          for: 15m
+          labels:
+            severity: critical
+        - alert: SmartDeviceCriticalWarning
+          annotations:
+            summary: Mounted drive {{ $labels.device }} on device {{ $labels.instance }}
+              is in a critical state.
+          expr: smartctl_device_critical_warning != 0
+          for: 15m
+          labels:
+            severity: critical
+        #
+        # Ref: https://github.com/prometheus-community/helm-charts/blob/main/charts/prometheus-smartctl-exporter/rules/rules.txt
+        #
+        - alert: SmartDeviceMediaErrors
+          annotations:
+            summary: Mounted drive {{ $labels.device }} on device {{ $labels.instance }}
+              has media errors.
+          expr: smartctl_device_media_errors != 0
+          for: 15m
+          labels:
+            severity: critical
+        - alert: SmartDeviceAvailableSpareUnderThreadhold
+          annotations:
+            summary: Device {{ $labels.device }} on instance {{ $labels.instance }}
+              is under available spare threashold.
+          expr: smartctl_device_available_spare_threshold > smartctl_device_available_spare
+          for: 15m
+          labels:
+            severity: critical
+        - alert: SmartDeviceInterfaceSlow
+          annotations:
+            summary: Device {{ $labels.device }} on instance {{ $labels.instance }}
+              interface is slower then it should be.
+          expr: |
+            smartctl_device_interface_speed{speed_type="current"} != on(device, instance, namespace, pod) smartctl_device_interface_speed{speed_type="max"}
+          for: 15m
+          labels:
+            severity: critical

kubernetes/apps/observability/smartctl-exporter/ks.yaml

@@ -0,0 +1,21 @@
+---
+# yaml-language-server: $schema=https://ks.hsn.dev/kustomize.toolkit.fluxcd.io/kustomization_v1.json
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: &app smartctl-exporter
+  namespace: flux-system
+spec:
+  targetNamespace: observability
+  commonMetadata:
+    labels:
+      app.kubernetes.io/name: *app
+  path: ./kubernetes/apps/observability/smartctl-exporter/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: homelab
+  wait: false
+  interval: 30m
+  retryInterval: 1m
+  timeout: 5m