第一步部署 prometheus
configmay.yaml
prometheus.deploy.yaml
prometheus.svc.yml
rbac-setup.yaml
node-exporter.yaml
部署守护进程
node-exporter.yaml
--- apiVersion: apps/v1 kind: DaemonSet metadata: name: node-exporter namespace: kube-system labels: k8s-app: node-exporter spec: selector: matchLabels: k8s-app: node-exporter template: metadata: labels: k8s-app: node-exporter spec: containers: - image: prom/node-exporter name: node-exporter ports: - containerPort: 9100 protocol: TCP name: http --- apiVersion: v1 kind: Service metadata: labels: k8s-app: node-exporter name: node-exporter namespace: kube-system spec: ports: - name: http port: 9100 nodePort: 31672 protocol: TCP type: NodePort selector: k8s-app: node-exporter [root@master ~]# mkdir pgmonitor [root@master ~]# cd pgmonitor/ [root@master pgmonitor]# ls [root@master pgmonitor]# ls grafana node-exporter.yaml prometheus [root@master pgmonitor]# vim node-exporter.yaml [root@master pgmonitor]# kubectl create -f node-exporter.yaml daemonset.apps/node-exporter created service/node-exporter created部署其他yaml文件
[root@master pgmonitor]# cd prometheus/ [root@master prometheus]# ls configmap.yaml prometheus.deploy.yml prometheus.svc.yml rbac-setup.yaml [root@master prometheus]# kubectl create -f rbac-setup.yaml clusterrole.rbac.authorization.k8s.io/prometheus created serviceaccount/prometheus created clusterrolebinding.rbac.authorization.k8s.io/prometheus created [root@master prometheus]# kubectl create -f configmap.yaml configmap/prometheus-config created [root@master prometheus]# vim prometheus.deploy.yml [root@master prometheus]# kubectl create -f prometheus.deploy.yml deployment.apps/prometheus created [root@master prometheus]# kubectl create -f prometheus.svc.yml service/prometheus created [root@master prometheus]# kubectl get pods -n kube-system #查看，默认在kube-system中 NAME READY STATUS RESTARTS AGE coredns-7f89b7bc75-jx925 1/1 Running 3 7d19h coredns-7f89b7bc75-pml7q 1/1 Running 3 7d19h etcd-master 1/1 Running 9 7d19h kube-apiserver-master 1/1 Running 9 7d19h kube-controller-manager-master 1/1 Running 0 5d kube-flannel-ds-7kmgr 1/1 Running 3 7d18h kube-flannel-ds-hmqcw 1/1 Running 4 7d18h kube-flannel-ds-mql8h 1/1 Running 11 7d18h kube-flannel-ds-x565h 1/1 Running 3 7d18h kube-proxy-cgh25 1/1 Running 3 7d19h kube-proxy-lt5d7 1/1 Running 5 7d19h kube-proxy-nlqrt 1/1 Running 3 7d19h kube-proxy-vw255 1/1 Running 10 7d19h kube-scheduler-master 1/1 Running 0 5d node-exporter-5cdp9 1/1 Running 0 16m node-exporter-ggnxc 1/1 Running 0 16m node-exporter-tv8ld 1/1 Running 0 16m prometheus-68546b8d9-zwd4h 1/1 Running 0 5m20srbac-setup.yaml
apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: name: prometheus rules: - apiGroups: [""] resources: - nodes - nodes/proxy - services - endpoints - pods verbs: ["get", "list", "watch"] - apiGroups: - extensions resources: - ingresses verbs: ["get", "list", "watch"] - nonResourceURLs: ["/metrics"] verbs: ["get"] --- apiVersion: v1 kind: ServiceAccount metadata: name: prometheus namespace: kube-system --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: prometheus roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: prometheus subjects: - kind: ServiceAccount name: prometheus namespace: kube-systemconfigmap.yaml
apiVersion: v1 kind: ConfigMap metadata: name: prometheus-config namespace: kube-system data: prometheus.yml: | global: scrape_interval: 15s evaluation_interval: 15s scrape_configs: - job_name: \'kubernetes-apiservers\' kubernetes_sd_configs: - role: endpoints scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token relabel_configs: - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name] action: keep regex: default;kubernetes;https - job_name: \'kubernetes-nodes\' kubernetes_sd_configs: - role: node scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token relabel_configs: - action: labelmap regex: __meta_kubernetes_node_label_(.+) - target_label: __address__ replacement: kubernetes.default.svc:443 - source_labels: [__meta_kubernetes_node_name] regex: (.+) target_label: __metrics_path__ replacement: /api/v1/nodes/${1}/proxy/metrics - job_name: \'kubernetes-cadvisor\' kubernetes_sd_configs: - role: node scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token relabel_configs: - action: labelmap regex: __meta_kubernetes_node_label_(.+) - target_label: __address__ replacement: kubernetes.default.svc:443 - source_labels: [__meta_kubernetes_node_name] regex: (.+) target_label: __metrics_path__ replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor - job_name: \'kubernetes-service-endpoints\' kubernetes_sd_configs: - role: endpoints relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape] action: keep regex: true - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme] action: replace target_label: __scheme__ regex: (https?) - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path] action: replace target_label: __metrics_path__ regex: (.+) - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port] action: replace target_label: __address__ regex: ([^:]+)(?::\d+)?;(\d+) replacement: $1:$2 - action: labelmap regex: __meta_kubernetes_service_label_(.+) - source_labels: [__meta_kubernetes_namespace] action: replace target_label: kubernetes_namespace - source_labels: [__meta_kubernetes_service_name] action: replace target_label: kubernetes_name - job_name: \'kubernetes-services\' kubernetes_sd_configs: - role: service metrics_path: /probe params: module: [http_2xx] relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe] action: keep regex: true - source_labels: [__address__] target_label: __param_target - target_label: __address__ replacement: blackbox-exporter.example.com:9115 - source_labels: [__param_target] target_label: instance - action: labelmap regex: __meta_kubernetes_service_label_(.+) - source_labels: [__meta_kubernetes_namespace] target_label: kubernetes_namespace - source_labels: [__meta_kubernetes_service_name] target_label: kubernetes_name - job_name: \'kubernetes-ingresses\' kubernetes_sd_configs: - role: ingress relabel_configs: - source_labels: [__meta_kubernetes_ingress_annotation_prometheus_io_probe] action: keep regex: true - source_labels: [__meta_kubernetes_ingress_scheme,__address__,__meta_kubernetes_ingress_path] regex: (.+);(.+);(.+) replacement: ${1}://${2}${3} target_label: __param_target - target_label: __address__ replacement: blackbox-exporter.example.com:9115 - source_labels: [__param_target] target_label: instance - action: labelmap regex: __meta_kubernetes_ingress_label_(.+) - source_labels: [__meta_kubernetes_namespace] target_label: kubernetes_namespace - source_labels: [__meta_kubernetes_ingress_name] target_label: kubernetes_name - job_name: \'kubernetes-pods\' kubernetes_sd_configs: - role: pod relabel_configs: - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape] action: keep regex: true - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path] action: replace target_label: __metrics_path__ regex: (.+) - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port] action: replace regex: ([^:]+)(?::\d+)?;(\d+) replacement: $1:$2 target_label: __address__ - action: labelmap regex: __meta_kubernetes_pod_label_(.+) - source_labels: [__meta_kubernetes_namespace] action: replace target_label: kubernetes_namespace - source_labels: [__meta_kubernetes_pod_name] action: replace target_label: kubernetes_pod_name