prometheus statefulset

homework/7.advanced-abstractions/prometheus-statefulset/configmap.yaml

@@ -0,0 +1,23 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus
+data:
+  prometheus.yml: |
+    global:
+      scrape_interval: 30s
+
+    scrape_configs:
+      - job_name: 'prometheus'
+        static_configs:
+          - targets: ['localhost:9090']
+
+      - job_name: 'kubernetes-nodes'
+        kubernetes_sd_configs:
+          - role: node
+        relabel_configs:
+          - source_labels: [__address__]
+            regex: '(.+):(.+)'
+            target_label: __address__
+            replacement: '${1}:9101'

homework/7.advanced-abstractions/prometheus-statefulset/ingress.yaml

@@ -0,0 +1,19 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: prometheus
+  annotations:
+    kubernetes.io/ingress.class: nginx
+spec:
+  rules:
+  - http:
+      paths:
+      - path: "/"
+        pathType: Prefix
+        backend:
+          service:
+            name: prometheus
+            port:
+              number: 9090
+

homework/7.advanced-abstractions/prometheus-statefulset/role.yaml

@@ -0,0 +1,10 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+- apiGroups: [""]
+  resources:
+  - nodes
+  verbs: ["get", "list", "watch"]

homework/7.advanced-abstractions/prometheus-statefulset/rolebinding.yaml

@@ -0,0 +1,13 @@
+---  
+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: default

homework/7.advanced-abstractions/prometheus-statefulset/service.yaml

@@ -0,0 +1,16 @@
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: prometheus
+  labels:
+    app: prometheus
+spec:
+  clusterIP: None
+  ports:
+    - name: prom
+      protocol: TCP
+      port: 9090
+      targetPort: 9090
+  selector:
+    app: prometheus

homework/7.advanced-abstractions/prometheus-statefulset/serviceaccount.yaml

@@ -0,0 +1,6 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+  namespace: default

homework/7.advanced-abstractions/prometheus-statefulset/statefulset.yaml

@@ -0,0 +1,67 @@
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: prometheus
+spec:
+  serviceName: prometheus
+  replicas: 1
+  selector:
+    matchLabels:
+      app: prometheus
+  template:
+    metadata:
+      labels:
+        app: prometheus
+    spec:
+      serviceAccount: prometheus
+      terminationGracePeriodSeconds: 10
+      initContainers:
+      - image: busybox
+        name: mount-permissions-fix
+        command: ["sh", "-c", "chmod 777 /prometheus"]
+        volumeMounts:
+        - name: prometheus
+          mountPath: /prometheus
+      containers:
+        - name: prometheus-k8s
+          image: prom/prometheus:v2.19.2
+          env:
+          ports:
+            - name: prom
+              protocol: TCP
+              containerPort: 9090
+          imagePullPolicy: Always
+          volumeMounts:
+            - name: config-volume
+              mountPath: /etc/prometheus
+            - name: data
+              mountPath: /prometheus
+      volumes:
+        - name: config-volume
+          configMap:
+            name: prometheus
+            items:
+              - key: prometheus.yml
+                path: prometheus.yml
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                labelSelector:
+                  matchExpressions:
+                    - key: app
+                      operator: In
+                      values:
+                        - prometheus
+                topologyKey: kubernetes.io/hostname
+  volumeClaimTemplates:
+    - metadata:
+        name: data
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        resources:
+          requests:
+            storage: 5Gi
+        storageClassName: csi-ceph-hdd-ms1