feat: migrated to k3s

monitoring/prometheus/deploy/helm/01-only-crd-and-operator.yaml

@@ -0,0 +1,48 @@
+# values.yaml to install only Prometheus Operator and CRDs
+
+# Disable all components except the operator
+defaultRules:
+  create: false
+
+alertmanager:
+  enabled: false
+
+grafana:
+  enabled: false
+
+kubeStateMetrics:
+  enabled: false
+
+nodeExporter:
+  enabled: false
+
+prometheus:
+  enabled: false
+
+coreDns:
+  enabled: false
+
+kubeControllerManager:
+  enabled: false
+
+kubeEtcd:
+  enabled: false
+
+kubeProxy:
+  enabled: false
+
+kubeScheduler:
+  enabled: false
+
+prometheusOperator:
+  enabled: true
+  createCustomResource: true
+  tls:
+    enabled: false
+  admissionWebhooks:
+    enabled: false
+  cleanupCustomResource: false
+  serviceMonitor:
+    selfMonitor: false
+  kubeletService:
+    enabled: false

monitoring/prometheus/deploy/helm/02-kube-metrics.yaml

@@ -0,0 +1,29 @@
+kubeStateMetrics:
+  enabled: true
+
+kube-state-metrics: # ok tested!
+  prometheus:
+    monitor:
+      relabelings:
+        - targetLabel: cluster
+          replacement: casa
+      additionalLabels:
+        app.kubernetes.io/name: prometheus-kube-state-metrics # !important: selector used by agent
+
+coreDns:  # ok tested!
+  enabled: true
+  serviceMonitor:
+    relabelings:
+      - targetLabel: cluster
+        replacement: casa
+    additionalLabels:
+      app.kubernetes.io/name: prometheus-stack-coredns # !important: selector used by agent
+
+kubeApiServer:  # ok tested!
+  enabled: true
+  serviceMonitor:
+    relabelings:
+      - targetLabel: cluster
+        replacement: casa
+    additionalLabels:
+      app.kubernetes.io/name: prometheus-stack-apiserver # !important: selector used by agent

monitoring/prometheus/deploy/helm/03-node-exporter.yaml

@@ -0,0 +1,19 @@
+# Deploy node exporter as a daemonset to all nodes
+nodeExporter:
+  enabled: true
+
+ 
+# job node exporter
+prometheus-node-exporter:
+  prometheus:
+    monitor:
+      enabled: true
+      relabelings:
+      # https://github.com/dotdc/grafana-dashboards-kubernetes
+      - action: replace
+        sourceLabels: [__meta_kubernetes_pod_node_name]
+        targetLabel: nodename
+      
+      # identification of cluster
+      - targetLabel: cluster
+        replacement: casa

monitoring/prometheus/deploy/helm/04-kubelet.yaml

@@ -0,0 +1,83 @@
+prometheusOperator:
+  kubeletService:
+    enabled: true
+    # requires manual creation of service #prom-kublet-service
+
+
+# Used file to testing new options and configurations
+# Should be the laste file to be loaded
+kubelet:
+  enabled: true
+  namespace: kube-system
+  serviceMonitor:
+    interval: 30s #WARN: Error on ingesting out-of-order samples. https://github.com/prometheus-community/helm-charts/issues/5483
+    enabled: true 
+    ## Enable scraping /metrics from kubelet's service
+    kubelet: true
+    additionalLabels:
+      app.kubernetes.io/name: prometheus-kubelet # !important: selector used by agent
+    
+    probesMetricRelabelings:
+      - targetLabel: cluster
+        replacement: casa
+
+      - sourceLabels: [__name__, image]
+        separator: ;
+        regex: container_([a-z_]+);
+        replacement: $1
+        action: drop
+      - sourceLabels: [__name__]
+        separator: ;
+        regex: container_(network_tcp_usage_total|network_udp_usage_total|tasks_state|cpu_load_average_10s)
+        replacement: $1
+        action: drop
+
+
+#     # RelabelConfigs to apply to samples before scraping
+#     # ref: https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api-reference/api.md#relabelconfig
+#     #
+#     # metrics_path is required to match upstream rules and charts
+    cAdvisorRelabelings:
+    
+      - targetLabel: cluster
+        replacement: casa
+
+      - action: replace
+        sourceLabels: [__metrics_path__]
+        targetLabel: metrics_path
+      - sourceLabels: [__meta_kubernetes_pod_node_name]
+        separator: ;
+        regex: ^(.*)$
+        targetLabel: nodename
+        replacement: $1
+        action: replace
+
+#     # RelabelConfigs to apply to samples before scraping
+#     # ref: https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api-reference/api.md#relabelconfig
+#     #
+    probesRelabelings:
+
+
+      - targetLabel: cluster
+        replacement: casa
+
+      - action: replace
+        sourceLabels: [__metrics_path__]
+        targetLabel: metrics_path
+
+      - sourceLabels: [__meta_kubernetes_pod_node_name]
+        separator: ;
+        regex: ^(.*)$
+        targetLabel: nodename
+        replacement: $1
+        action: replace
+
+    resourceRelabelings:
+   
+      - targetLabel: cluster
+        replacement: casa
+
+      - action: replace
+        sourceLabels: [__metrics_path__]
+        targetLabel: metrics_path
+    

monitoring/prometheus/deploy/helm/10-testing-values.yaml

@@ -0,0 +1 @@
+# use for testing