apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
  namespace: kiamol-ch14-monitoring
spec:
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      serviceAccountName: prometheus
      containers:
        - name: prometheus
          image: prom/prometheus:v2.19.2
          args:
            - "--config.file=/config/prometheus.yml"
            - "--web.enable-lifecycle"
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: prometheus-config
              mountPath: /config/
      volumes:
        - name: prometheus-config
          configMap:
            name: prometheus-config
---
# RBAC configuration - ignore this until we get to chapter 17 :)
apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus
  namespace: kiamol-ch14-monitoring
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: prometheus
  labels:
    kiamol: ch14
rules:
- apiGroups: [""]
  resources:
  - nodes
  - services
  - endpoints
  - pods
  verbs: ["get", "list", "watch"]
- apiGroups: [""]
  resources:
  - configmaps
  verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: prometheus
  labels:
    kiamol: ch14
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: prometheus
subjects:
- kind: ServiceAccount
  name: prometheus
  namespace: kiamol-ch14-monitoring