K8S中安装grafana7.4.5

K8S中安装grafana7.4.5

1.1.1 准备镜像并推送到Harbor仓库

docker pull grafana/grafana:7.4.5

docker tag  286028304712 harbor.st.com/infra/grafana:v7.4.5

docker push harbor.st.com/infra/grafana:v7.4.5

 

准备目录

mkdir /data/k8s-yaml/grafana

cd    /data/k8s-yaml/grafana

 

名称空间

kubectl create ns test

 

 

1.1.2 准备rbac资源清单

cat >rbac7.4.5.yaml <<'EOF'

apiVersion: rbac.authorization.k8s.io/v1

kind: ClusterRole

metadata:

  labels:

    addonmanager.kubernetes.io/mode: Reconcile

    kubernetes.io/cluster-service: "true"

  name: grafana

rules:

- apiGroups:

  - "*"

  resources:

  - namespaces

  - deployments

  - pods

  verbs:

  - get

  - list

  - watch

---

apiVersion: rbac.authorization.k8s.io/v1

kind: ClusterRoleBinding

metadata:

  labels:

    addonmanager.kubernetes.io/mode: Reconcile

    kubernetes.io/cluster-service: "true"

  name: grafana

roleRef:

  apiGroup: rbac.authorization.k8s.io

  kind: ClusterRole

  name: grafana

subjects:

- kind: User

  name: k8s-node

EOF

 

 

1.1.3 准备dp资源清单

cat >dp7.4.5.yaml <<'EOF'

apiVersion: apps/v1

kind: Deployment

metadata:

  labels:

    app: grafana

    name: grafana

  name: grafana

  namespace: test

spec:

  progressDeadlineSeconds: 600

  replicas: 1

  revisionHistoryLimit: 7

  selector:

    matchLabels:

      name: grafana

  strategy:

    rollingUpdate:

      maxSurge: 1

      maxUnavailable: 1

    type: RollingUpdate

  template:

    metadata:

      labels:

        app: grafana

        name: grafana

    spec:

      containers:

      - name: grafana

        image: harbor.st.com/infra/grafana:v7.4.5

        imagePullPolicy: IfNotPresent

        ports:

        - containerPort: 3000

          protocol: TCP

        volumeMounts:

        - mountPath: /var/lib/grafana

          name: data

      imagePullSecrets:

      - name: harbor

      securityContext:

        runAsUser: 0

      volumes:

      - nfs:

          server: hdss7-200

          path: /data/nfs-volume/grafana7.4.5

        name: data

EOF

 

创建grafana数据目录

mkdir /data/nfs-volume/grafana7.4.5

 

 

1.1.4 准备svc资源清单

cat >svc7.4.5.yaml <<'EOF'

apiVersion: v1

kind: Service

metadata:

  name: grafana

  namespace: test

spec:

  ports:

  - port: 3000

    protocol: TCP

    targetPort: 3000

  selector:

    app: grafana

EOF

 

 

1.1.5 准备ingress资源清单

cat >ingress7.4.5.yaml <<'EOF'

apiVersion: extensions/v1beta1

kind: Ingress

metadata:

  name: grafana

  namespace: test

spec:

  rules:

  - host: grafana7.st.com

    http:

      paths:

      - path: /

        backend:

          serviceName: grafana

          servicePort: 3000

EOF

 

1.1.6 域名解析

vi /var/named/st.com.zone

grafana            A    192.168.x.x

systemctl restart named

 

1.1.7 应用资源配置清单

kubectl apply -f http://k8s-yaml.st.com/grafana/rbac7.4.5.yaml

kubectl apply -f http://k8s-yaml.st.com/grafana/dp7.4.5.yaml

kubectl apply -f http://k8s-yaml.st.com/grafana/svc7.4.5.yaml

kubectl apply -f http://k8s-yaml.st.com/grafana/ingress7.4.5.yaml

 

 

 

1.2 浏览器访问验证

访问http://grafana.st.com,默认用户名密码admin/admin

进入后立即要求修改管理员密码

 

 

 

添加普罗米修斯数据源后，即可图形化监控K8S的数据了

 

 

 

Grafana Dashboard推荐使用编号315这个，非常专业。