🚀 kromgo

kubernetes/apps/default/kromgo/app/helmrelease.yaml

@@ -0,0 +1,92 @@
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.pages.dev/helm.toolkit.fluxcd.io/helmrelease_v2beta2.json
+apiVersion: helm.toolkit.fluxcd.io/v2beta2
+kind: HelmRelease
+metadata:
+  name: &app kromgo
+spec:
+  interval: 30m
+  chart:
+    spec:
+      chart: app-template
+      version: 2.5.0
+      sourceRef:
+        kind: HelmRepository
+        name: bjw-s
+        namespace: flux-system
+  install:
+    remediation:
+      retries: 3
+  upgrade:
+    cleanupOnFail: true
+    remediation:
+      retries: 3
+  uninstall:
+    keepHistory: false
+  values:
+    controllers:
+      main:
+        replicas: 2
+        strategy: RollingUpdate
+        annotations:
+          reloader.stakater.com/auto: "true"
+        containers:
+          main:
+            image:
+              repository: ghcr.io/kashalls/kromgo
+              tag: 0.2.4@sha256:2c1076986904babdcfed38ffcf848e7609f3e108ee350a46ce8ed201407a8b81
+            env:
+              PROMETHEUS_URL: http://thanos-query-frontend.observability.svc.cluster.local:9090
+              PORT: &port 8080
+            securityContext:
+              allowPrivilegeEscalation: false
+              readOnlyRootFilesystem: true
+              capabilities: { drop: ["ALL"] }
+            resources:
+              requests:
+                cpu: 10m
+              limits:
+                memory: 64Mi
+        pod:
+          securityContext:
+            runAsUser: 568
+            runAsGroup: 568
+            runAsNonRoot: true
+          topologySpreadConstraints:
+            - maxSkew: 1
+              topologyKey: kubernetes.io/hostname
+              whenUnsatisfiable: DoNotSchedule
+              labelSelector:
+                matchLabels:
+                  app.kubernetes.io/name: *app
+    service:
+      main:
+        ports:
+          http:
+            port: *port
+    ingress:
+      main:
+        enabled: true
+        className: external
+        annotations:
+          external-dns.alpha.kubernetes.io/enabled: "true"
+          external-dns.alpha.kubernetes.io/target: services.${SECRET_DOMAIN}.
+          hajimari.io/icon: mdi:monitor-eye
+        hosts:
+          - host: &host "{{ .Release.Name }}.${SECRET_CLUSTER_DOMAIN}"
+            paths:
+              - path: /
+                service:
+                  name: main
+                  port: http
+        tls:
+          - hosts:
+              - *host
+    persistence:
+      config-file:
+        type: configMap
+        name: kromgo-configmap
+        globalMounts:
+          - path: /kromgo/config.yaml
+            subPath: config.yaml
+            readOnly: true

kubernetes/apps/default/kromgo/app/kustomization.yaml

@@ -0,0 +1,13 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./helmrelease.yaml
+  - ../../../../templates/gatus/external
+configMapGenerator:
+  - name: kromgo-configmap
+    files:
+      - config.yaml=./resources/config.yaml
+generatorOptions:
+  disableNameSuffixHash: true

kubernetes/apps/default/kromgo/app/resources/config.yaml

@@ -0,0 +1,48 @@
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/kashalls/kromgo/main/config.schema.json
+metrics:
+  - name: cluster_node_count
+    query: count(count by (node) (kube_node_status_condition{kubernetes_node=~"k8s-[0-9]+", condition="Ready"}))
+
+  - name: cluster_pod_count
+    query: sum(kube_pod_status_phase{kubernetes_node=~"k8s-[0-9]+", phase="Running"})
+
+  - name: cluster_cpu_usage
+    query: round(avg(instance:node_cpu_utilisation:rate5m{kubernetes_node=~"k8s-[0-9]+"}) * 100, 0.1)
+    suffix: "%"
+    colors:
+      - { color: "green", min: 0, max: 35 }
+      - { color: "orange", min: 36, max: 75 }
+      - { color: "red", min: 76, max: 9999 }
+
+  - name: cluster_memory_usage
+    query: round(sum(node_memory_MemTotal_bytes{kubernetes_node=~"k8s-[0-9]+"} - node_memory_MemAvailable_bytes{kubernetes_node=~"k8s-[0-9]+"}) / sum(node_memory_MemTotal_bytes{kubernetes_node=~"k8s-[0-9]+"}) * 100, 0.1)
+    suffix: "%"
+    colors:
+      - { color: green, min: 0, max: 35 }
+      - { color: orange, min: 36, max: 75 }
+      - { color: red, min: 76, max: 9999 }
+
+  - name: cluster_power_usage
+    query: round(upsHighPrecOutputCurrent * upsHighPrecOutputVoltage * 0.01, 0.1)
+    suffix: "w"
+    colors:
+      - { color: "green", min: 0, max: 400 }
+      - { color: "orange", min: 401, max: 750 }
+      - { color: "red", min: 751, max: 9999 }
+
+  - name: cluster_age_days
+    query: round((time() - max(kube_node_created{kubernetes_node=~"k8s-[0-9]+"}) ) / 86400)
+    suffix: "d"
+    colors:
+      - { color: "green", min: 0, max: 180 }
+      - { color: "orange", min: 181, max: 360 }
+      - { color: "red", min: 361, max: 9999 }
+
+  - name: cluster_uptime_days
+    query: round(avg(node_time_seconds{kubernetes_node=~"k8s-[0-9]+"} - node_boot_time_seconds{kubernetes_node=~"k8s-[0-9]+"}) / 86400)
+    suffix: "d"
+    colors:
+      - { color: "green", min: 0, max: 180 }
+      - { color: "orange", min: 181, max: 360 }
+      - { color: "red", min: 361, max: 9999 }

kubernetes/apps/default/kromgo/ks.yaml

@@ -0,0 +1,25 @@
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/fluxcd-community/flux2-schemas/main/kustomization-kustomize-v1.json
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: &app kromgo
+  namespace: flux-system
+spec:
+  targetNamespace: default
+  commonMetadata:
+    labels:
+      app.kubernetes.io/name: *app
+  path: ./kubernetes/apps/default/kromgo/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: home-ops-kubernetes
+  wait: false
+  interval: 30m
+  retryInterval: 1m
+  timeout: 5m
+  postBuild:
+    substitute:
+      APP: *app
+      GATUS_STATUS: "404"

kubernetes/apps/default/kustomization.yaml

@@ -27,6 +27,7 @@ resources:
   - ./komf/ks.yaml
   - ./komga/ks.yaml
   - ./kresus/ks.yaml
+  - ./kromgo/ks.yaml
   - ./libmedium/ks.yaml
   - ./lidarr/ks.yaml
   - ./linkding/ks.yaml