apiVersion: v1 kind: ConfigMap metadata: name: prometheus-config namespace: kube-ops data: prometheus.yml: | global: scrape_interval: 20s scrape_timeout: 20s scrape_configs: - job_name: 'prometheus' static_configs: - targets: ['localhost:9090'] - job_name: traefik static_configs: - targets: ['traefik-ingress-service.kube-system.svc.cluster.local:8080'] - job_name: redis static_configs: - targets: ['redis:9121'] - job_name: 'kubernetes-nodes' kubernetes_sd_configs: - role: node relabel_configs: - source_labels: [__address__] regex: '(.*):10250' replacement: '${1}:9100' target_label: __address__ action: replace - action: labelmap regex: __meta_kubernetes_node_label_(.+) - job_name: 'kubelet' scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token kubernetes_sd_configs: - role: node relabel_configs: - action: labelmap regex: __meta_kubernetes_node_label_(.+) - target_label: __address__ replacement: kubernetes.default.svc:443 - source_labels: [__meta_kubernetes_node_name] regex: (.+) target_label: __metrics_path__ replacement: /api/v1/nodes/${1}/proxy/metrics
下面是解释每个字段意思:
- job_name: 'kubelet' # 通过https访问apiserver，通过apiserver的api获取数据 scheme: https tls_config: ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token #以k8s的角色(role)来定义收集，比如node,service,pod,endpoints,ingress等等 kubernetes_sd_configs: # 从k8s的node对象获取数据 - role: node relabel_configs: # 用新的前缀代替原label name前缀，没有replacement的话功能就是去掉label_name前缀 # 例如：以下两句的功能就是将__meta_kubernetes_node_label_kubernetes_io_hostname # 变为kubernetes_io_hostname - action: labelmap regex: __meta_kubernetes_node_label_(.+) # replacement中的值将会覆盖target_label中指定的label name的值, # 即__address__的值会被替换为kubernetes.default.svc:443 - target_label: __address__ replacement: kubernetes.default.svc:443 #replacement: 10.142.21.21:6443 # 获取__meta_kubernetes_node_name的值 - source_labels: [__meta_kubernetes_node_name] #匹配一个或多个任意字符，将上述source_labels的值生成变量 regex: (.+) # 将# replacement中的值将会覆盖target_label中指定的label name的值, # 即__metrics_path__的值会被替换为/api/v1/nodes/${1}/proxy/metrics, # 其中${1}的值会被替换为__meta_kubernetes_node_name的值 target_label: __metrics_path__ replacement: /api/v1/nodes/${1}/proxy/metrics #or: #- source_labels: [__address__] # regex: '(.*):10250' # replacement: '${1}:4194' # target_label: __address__ #- source_labels: [__meta_kubernetes_node_label_role] # action: replace # target_label: role