prometheus配置
参考：
#
在configmap.yaml中要注意的是在1.7以后，获取cadvsion监控pod等的信息时，用的是kubelet的4194端口，
注意以下这段：这是采集cadvision信息，必须是通过kubelet的4194端口，所以Kubelet必须监听着，4194部署了cadvsion来获取pod中容器信息
prometheus/prometheus #cat configmap.yaml
# https://github.com/prometheus/prometheus/blob/master/documentation/examples/prometheus-kubernetes.yml#L37
- job_name: 'kubernetes-nodes'
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:
- source_labels: [__address__]
regex: '(.*):10250'
replacement: '${1}:10255'
target_label: __address__
- job_name: 'kubernetes-cadvisor'
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __address__
replacement: kubernetes.default.svc.cluster. local :443
- source_labels: [__meta_kubernetes_node_name]
regex: (.+)
target_label: __metrics_path__
replacement: /api/v1/nodes/${1}:4194/proxy/metrics
参考：
（2）
参考
# metrics from service endpoints on /metrics over https via the master proxy # set annotation (prometheus.io/scrape: true) to enable # Example: kubectl annotate svc myservice prometheus.io/scrape=true - job_name: 'kubernetes-service-endpoints' kubernetes_sd_configs: - role: endpoints api_server: https://master_ip tls_config: insecure_skip_verify: true basic_auth: username: admin password: api_password scheme: https tls_config: insecure_skip_verify: true basic_auth: username: admin password: api_password relabel_configs: - source _labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape] action: keep regex: true - source _labels: [__meta_kubernetes_pod_annotation_prometheus_io_port] action: replace regex: (\d+) target_label: __meta_kubernetes_pod_container_port_number - source _labels: [__meta_kubernetes_service_annotation_prometheus_io_path] action: replace regex: () target_label: __meta_kubernetes_service_annotation_prometheus_io_path replacement: /metrics - source _labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_pod_container_port_number, __meta_kubernetes_service_annotation_prometheus_io_path] target_label: __metrics_path__ regex: (.+);(.+);(.+);(.+) replacement: /api/v1/namespaces/ $1 /services/ $2 : $3 /proxy $4 - target_label: __address__ replacement: master_ip:443 - 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 - source _labels: [__meta_kubernetes_pod_node_name] action: replace target_label: instance