kubernetes 之容器监控

[root@manager ~]# git clone https://github.com/kubernetes/heapster.git

[root@manager ~]# cd heapster/deploy/kube-config/influxdb/
[root@manager influxdb]# ll
total 12
-rw-r--r-- 1 root root 2276 Jan 31 16:21 grafana.yaml
-rw-r--r-- 1 root root 1100 Jan 31 16:21 heapster.yaml
-rw-r--r-- 1 root root 960 Jan 31 16:21 influxdb.yaml

[root@manager influxdb]# cat influxdb.yaml 
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: monitoring-influxdb
  namespace: kube-system
spec:
  replicas: 1
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: influxdb
    spec:
      containers:
      - name: influxdb
        image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-influxdb-amd64:v1.3.3
        volumeMounts:
        - mountPath: /data
          name: influxdb-storage
      volumes:
      - name: influxdb-storage
        emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  labels:
    task: monitoring
    # For use as a Cluster add-on (https://github.com/kubernetes/kubernetes/tree/master/cluster/addons)
    # If you are NOT using this as an addon, you should comment out this line.
    kubernetes.io/cluster-service: 'true'
    kubernetes.io/name: monitoring-influxdb
  name: monitoring-influxdb
  namespace: kube-system
spec:
  ports:
  - port: 8086
    targetPort: 8086
  selector:
    k8s-app: influxdb

[root@manager influxdb]# kubectl create -f influxdb.yaml
deployment "monitoring-influxdb" created
service "monitoring-influxdb" created
[root@manager influxdb]#
[root@manager influxdb]# kubectl get pods --namespace=kube-system -o wide
NAME READY STATUS RESTARTS AGE IP NODE
kube-dns-56d46f58f-6hhsl 3/3 Running 3 2h 10.0.71.3 192.168.10.222
kube-dns-56d46f58f-lnr86 3/3 Running 3 2h 10.0.91.4 192.168.10.221
kube-dns-56d46f58f-nbbxp 3/3 Running 3 2h 10.0.91.3 192.168.10.221
kubernetes-dashboard-7cbd9bccdc-g2kbc 1/1 Running 1 1h 10.0.71.4 192.168.10.222
monitoring-influxdb-577c9dbddb-tpdp9 1/1 Running 0 10s 10.0.71.5 192.168.10.222

[root@manager influxdb]# cat grafana.yaml 
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: monitoring-grafana
  namespace: kube-system
spec:
  replicas: 1
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: grafana
    spec:
      containers:
      - name: grafana
        image: registry.cn-shenzhen.aliyuncs.com/rancher_cn/heapster-grafana-amd64:v4.4.3
        ports:
        - containerPort: 3000
          protocol: TCP
        volumeMounts:
        - mountPath: /etc/ssl/certs
          name: ca-certificates
          readOnly: true
        - mountPath: /var
          name: grafana-storage
        env:
        - name: INFLUXDB_HOST
          value: monitoring-influxdb
        - name: GF_SERVER_HTTP_PORT
          value: "3000"
          # The following env variables are required to make Grafana accessible via
          # the kubernetes api-server proxy. On production clusters, we recommend
          # removing these env variables, setup auth for grafana, and expose the grafana
          # service using a LoadBalancer or a public IP.
        - name: GF_AUTH_BASIC_ENABLED
          value: "false"
        - name: GF_AUTH_ANONYMOUS_ENABLED
          value: "true"
        - name: GF_AUTH_ANONYMOUS_ORG_ROLE
          value: Admin
        - name: GF_SERVER_ROOT_URL
          # If you're only using the API Server proxy, set this value instead:
          # value: /api/v1/namespaces/kube-system/services/monitoring-grafana/proxy
          value: /
      volumes:
      - name: ca-certificates
        hostPath:
          path: /etc/ssl/certs
      - name: grafana-storage
        emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  labels:
    # For use as a Cluster add-on (https://github.com/kubernetes/kubernetes/tree/master/cluster/addons)
    # If you are NOT using this as an addon, you should comment out this line.
    kubernetes.io/cluster-service: 'true'
    kubernetes.io/name: monitoring-grafana
  name: monitoring-grafana
  namespace: kube-system
spec:
  # In a production setup, we recommend accessing Grafana through an external Loadbalancer
  # or through a public IP.
  # type: LoadBalancer
  # You could also use NodePort to expose the service at a randomly-generated port
  # type: NodePort
  ports:
  - port: 80
    targetPort: 3000
  selector:
    k8s-app: grafana
[root@manager influxdb]# 

[root@manager influxdb]# kubectl create -f grafana.yaml
deployment "monitoring-grafana" created
service "monitoring-grafana" created

[root@manager influxdb]# kubectl get pods --namespace=kube-system -o wide
NAME READY STATUS RESTARTS AGE IP NODE
kube-dns-56d46f58f-6hhsl 3/3 Running 3 2h 10.0.71.3 192.168.10.222
kube-dns-56d46f58f-lnr86 3/3 Running 3 2h 10.0.91.4 192.168.10.221
kube-dns-56d46f58f-nbbxp 3/3 Running 3 2h 10.0.91.3 192.168.10.221
kubernetes-dashboard-7cbd9bccdc-g2kbc 1/1 Running 1 1h 10.0.71.4 192.168.10.222
monitoring-grafana-74b966d696-rwgbn 1/1 Running 0 40s 10.0.71.6 192.168.10.222
monitoring-influxdb-577c9dbddb-tpdp9 1/1 Running 0 2m 10.0.71.5 192.168.10.222

[root@manager influxdb]# cat heapster.yaml 
apiVersion: v1
kind: ServiceAccount
metadata:
  name: heapster
  namespace: kube-system
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: heapster
  namespace: kube-system
spec:
  replicas: 1
  template:
    metadata:
      labels:
        task: monitoring
        k8s-app: heapster
    spec:
      serviceAccountName: heapster
      containers:
      - name: heapster
        image: registry.cn-hangzhou.aliyuncs.com/outman_google_containers/heapster-amd64:v1.4.0
        imagePullPolicy: IfNotPresent
        command:
        - /heapster
        - --source=kubernetes:http://192.168.10.220:8080?inClusterConfig=false&useServiceAccount=true&auth=
        - --sink=influxdb:http://monitoring-influxdb.kube-system.svc:8086
---
apiVersion: v1
kind: Service
metadata:
  labels:
    task: monitoring
    # For use as a Cluster add-on (https://github.com/kubernetes/kubernetes/tree/master/cluster/addons)
    # If you are NOT using this as an addon, you should comment out this line.
    kubernetes.io/cluster-service: 'true'
    kubernetes.io/name: Heapster
  name: heapster
  namespace: kube-system
spec:
  ports:
  - port: 80
    targetPort: 8082
  selector:
    k8s-app: heapster
[root@manager influxdb]# kubectl create -f heapster.yaml
serviceaccount "heapster" created
deployment "heapster" created
service "heapster" created
[root@manager influxdb]# 
[root@manager influxdb]# kubectl get pods --namespace=kube-system -o wide
NAME                                    READY     STATUS    RESTARTS   AGE       IP          NODE
heapster-69cb687966-9s45g               1/1       Running   0          14s       10.0.71.7   192.168.10.222
kube-dns-56d46f58f-6hhsl                3/3       Running   3          2h        10.0.71.3   192.168.10.222
kube-dns-56d46f58f-lnr86                3/3       Running   3          2h        10.0.91.4   192.168.10.221
kube-dns-56d46f58f-nbbxp                3/3       Running   3          2h        10.0.91.3   192.168.10.221
kubernetes-dashboard-7cbd9bccdc-g2kbc   1/1       Running   1          1h        10.0.71.4   192.168.10.222
monitoring-grafana-74b966d696-rwgbn     1/1       Running   0          6m        10.0.71.6   192.168.10.222
monitoring-influxdb-577c9dbddb-tpdp9    1/1       Running   0          8m        10.0.71.5   192.168.10.222