【K8S运维知识汇总】第7天3：安装部署prometheus-server

【K8S运维知识汇总】第7天3：安装部署prometheus-server

文章目录

​​准备prometheus镜像​​​​准备资源配置清单​​​​准备Prometheus相关配置​​​​DNS解析​​​​应用资源配置清单​​​​浏览器访问验证​​

准备prometheus镜像

​​/opt/src]# docker image tag 7317640d555e harbor.od.com/infra/prometheus:v2.14.0[root@k8s7-200.host.com /opt/src]# docker push harbor.od.com/infra/prometheus:v2.14.0

准备资源配置清单

[root@k8s7-200.host.com ~]# mkdir /data/k8s-yaml/prometheus[root@k8s7-200.host.com ~]# mkdir -p /data/nfs-volume/prometheus/etc

准备Prometheus相关配置

1.拷贝证书[root@hdss7-200 ~]# mkdir -p /data/nfs-volume/prometheus/{etc,prom-db}[root@hdss7-200 ~]# cp /opt/certs/{ca.pem,client.pem,client-key.pem} /data/nfs-volume/prometheus/etc/2.准备yaml[root@k8s7-200.host.com /data/k8s-yaml/prometheus]# cat rbac.yaml apiVersion: v1kind: ServiceAccountmetadata: labels: addonmanager.kubernetes.io/mode: Reconcile kubernetes.io/cluster-service: "true" name: prometheus namespace: kube-system---apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRolemetadata: labels: addonmanager.kubernetes.io/mode: Reconcile kubernetes.io/cluster-service: "true" name: prometheusrules:- apiGroups: - "" resources: - nodes - nodes/metrics - services - endpoints - pods verbs: - get - list - watch- apiGroups: - "" resources: - configmaps verbs: - get- nonResourceURLs: - /metrics verbs: - get---apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: labels: addonmanager.kubernetes.io/mode: Reconcile kubernetes.io/cluster-service: "true" name: prometheusroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: prometheussubjects:- kind: ServiceAccount name: prometheus namespace: kube-system[root@k8s7-200.host.com /data/k8s-yaml/prometheus]# cat deployment.yaml apiVersion: apps/v1kind: Deploymentmetadata: annotations: deployment.kubernetes.io/revision: "5" labels: name: prometheus name: prometheus namespace: kube-systemspec: replicas: 1 selector: matchLabels: app: prometheus template: metadata: labels: app: prometheus spec: nodeName: k8s7-22.host.com securityContext: runAsUser: 0 containers: - name: prometheus image: harbor.od.com/public/prometheus:v2.14.0 command: - /bin/prometheus args: - --config.file=/data/etc/prometheus.yml - --storage.tsdb.path=/data/prom-db - --storage.tsdb.min-block-duration=10m - --storage.tsdb.retention=72h ports: - containerPort: 9090 protocol: TCP volumeMounts: - mountPath: /data name: data resources: requests: cpu: "1000m" memory: "1.5Gi" limits: cpu: "2000m" memory: "3Gi" serviceAccountName: prometheus volumes: - name: data nfs: server: k8s7-200 path: /data/nfs-volume/prometheus[root@k8s7-200.host.com /data/k8s-yaml/prometheus]# cat service.yaml apiVersion: v1kind: Servicemetadata: name: prometheus namespace: kube-systemspec: ports: - port: 9090 protocol: TCP targetPort: 9090 selector: app: prometheus[root@k8s7-200.host.com /data/k8s-yaml/prometheus]# cat ingress.yaml

DNS解析

prometheus A 10.4.7.10

应用资源配置清单

[root@k8s7-22.host.com ~]# kubectl apply -f createdclusterrole.rbac.authorization.k8s.io/prometheus createdclusterrolebinding.rbac.authorization.k8s.io/prometheus created[root@k8s7-22.host.com ~]# kubectl apply -f created[root@k8s7-22.host.com ~]# kubectl apply -f created[root@k8s7-22.host.com ~]# kubectl apply -f http://k8s-yaml.od.com/prometheus/ingress.yaml

浏览器访问验证

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