Add Prometheus (#52)

Co-authored-by: Michael Shebeko <[email protected]>

Author: Michael

monitoring/.DS_Store

@@ -0,0 +1,18 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+- apiGroups: [""]
+  resources:
+  - nodes
+  - services
+  - endpoints
+  - pods
+  verbs: ["get", "list", "watch"]
+- apiGroups: [""]
+  resources:
+  - configmaps
+  verbs: ["get"]
+- nonResourceURLs: ["/metrics"]
+  verbs: ["get"]

monitoring/cluster_monitoring/cluster_role.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+- kind: ServiceAccount
+  name: prometheus
+  namespace: monitoring

monitoring/cluster_monitoring/cluster_role_binding.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: prometheus   
+    prometheus: prometheus
+  name: prometheus-service
+spec:
+  ports:
+  - protocol: TCP
+    port: 9090
+    targetPort: 9090
+  selector:
+    app: prometheus
+    prometheus: prometheus

monitoring/cluster_monitoring/prometheus.service.yaml

@@ -0,0 +1,25 @@
+apiVersion: monitoring.coreos.com/v1
+kind: Prometheus
+metadata:
+  name: prometheus
+  labels:
+    prometheus: k8s
+spec:
+  externalLabels:
+    cluster: docker-desktop
+  replicas: 1
+  version: v2.13.1
+  serviceAccountName: prometheus
+  serviceMonitorSelector:
+    matchExpressions:
+    - key: k8s-app
+      operator: In
+      values:
+      - node-exporter
+  ruleSelector:
+    matchLabels:
+      role: alert-rules
+      prometheus: k8s
+  resources:
+    requests:
+      memory: 400Mi

monitoring/cluster_monitoring/prometheus.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus

monitoring/cluster_monitoring/service_account.yaml

@@ -0,0 +1,75 @@
+# apiVersion: v1
+# items:
+# - apiVersion: v1
+#   kind: ConfigMap
+#   metadata:
+#     name: grafana-dashboard-provisioning
+#     namespace: monitoring
+#   data:
+#     dashboard.yaml: |-
+#       apiVersion: 1
+#       providers:
+#       - name: 'kubernetes'
+#         orgId: 1
+#         # <string, required> name of the dashboard folder. Required
+#         folder: 'kubernetes'
+#         type: file
+#         disableDeletion: true
+#         editable: true
+#         # <int> how often Grafana will scan for changed dashboards
+#         updateIntervalSeconds: 30
+#         options:
+#           path: /var/lib/grafana/dashboards
+# - apiVersion: v1
+#   kind: ConfigMap
+#   metadata:
+#     name: grafana-datasource-provisioning
+#     namespace: monitoring
+#   data:
+#     datasources.yaml: |-
+#       apiVersion: 1
+#       datasources:
+#       - name: prometheus
+#         orgId: 1
+#         type: prometheus 
+#         url: http://prometheus-service:9090
+#         isDefault: true
+#         access: proxy
+#         editable: true
+# kind: ConfigMapList
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-datasources
+data:
+  datasources.yaml: |-
+    apiVersion: 1
+    datasources:
+    - name: prometheus
+      orgId: 1
+      type: prometheus 
+      url: http://prometheus-service:9090
+      isDefault: true
+      access: proxy
+      editable: true
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-dashboards
+data:
+  dashboards.yaml: |-
+    {
+        "apiVersion": 1,
+        "providers": [
+            {
+                "folder": "",
+                "name": "0",
+                "options": {
+                    "path": "/grafana-dashboard-definitions/0"
+                },
+                "orgId": 1,
+                "type": "file"
+            }
+        ]
+    }