k8s 1.2 with promethous 0.19.2 with configmap

promethous-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus
data:
  prometheus.yml: |-
    global:
      scrape_interval: 15s
    scrape_configs:
    # etcd is living outside of our cluster and we configure
    # it directly.
    - job_name: 'etcd'
      target_groups:
      - targets:
        - YOUR_ETCD_ADDRESS:2379
    - job_name: 'kubernetes_components'
      kubernetes_sd_configs:
      - api_servers:
        - 'https://kubernetes.default'
        in_cluster: true
        # This configures Prometheus to identify itself when scraping
        # metrics from Kubernetes cluster components.
      tls_config:
        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
      # Prometheus provides meta labels for each monitoring targets. We use
      # these to select targets we want to monitor and to modify labels attached
      # to scraped metrics.
      relabel_configs:
      # Only scrape apiserver and kubelets.
      - source_labels: [__meta_kubernetes_role]
        action: keep
        regex: (?:apiserver|node)
      # Redefine the Prometheus job based on the monitored Kuberentes component.
      - source_labels: [__meta_kubernetes_role]
        target_label: job
        replacement: kubernetes_$1
      # Attach all node labels to the metrics scraped from the components running
      # on that node.
      - action: labelmap
        regex: __meta_kubernetes_node_label_(.+)
    - job_name: 'kubernetes_services'
      kubernetes_sd_configs:
      - api_servers:
        - 'https://kubernetes.default'
        in_cluster: true
      relabel_configs:
      - source_labels: [__meta_kubernetes_role, __meta_kubernetes_service_annotation_prometheus_io_scrape]
        action: keep
        regex: endpoint;true
      - source_labels: [__meta_kubernetes_service_name]
        target_label: job
      - source_labels: [__meta_kubernetes_namespace]
        target_label: namespace
      - action: labelmap
        regex: __meta_kubernetes_service_label_(.+)

promethous.yaml

apiVersion: v1
kind: Service
metadata:
  annotations:
    prometheus.io/scrape: 'true'
  labels:
    name: prometheus
  name: prometheus2
spec:
  selector:
    app: prometheus
  type: NodePort
  ports:
  - name: prometheus
    protocol: TCP
    port: 9090
    nodePort: 30900
----
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      name: prometheus
      labels:
        app: prometheus
    spec:
      containers:
      - name: prometheus
        image: quay.io/coreos/prometheus:0.19.2
        args:
          - '-storage.local.retention=6h'
          - '-storage.local.memory-chunks=500000'
          - '-config.file=/etc/prometheus/prometheus.yml'
        ports:
        - name: web
          containerPort: 9090
        volumeMounts:
        - name: config-volume
          mountPath: /etc/prometheus
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
          limits:
            cpu: 1000m
            memory: 5000Mi
      volumes:
      - name: config-volume
        configMap:
          name: prometheus