prometheus配置

prometheus配置 

參考：

https://github.com/prometheus/prometheus/blob/master/documentation/examples/prometheus-kubernetes.yml

# 

在configmap.yaml中要注意的是在1.7之後，獲取cadvsion監控pod等的信息時，用的是kubelet的4194端口，

注意如下這段：這是採集cadvision信息，必須是經過kubelet的4194端口，因此Kubelet必須監聽着，4194部署了cadvsion來獲取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

 

參考：

https://github.com/prometheus/prometheus/blob/master/documentation/examples/prometheus-kubernetes.yml

（2）

參考

http://www.linkedin.com/pulse/monitoring-kubernetes-prometheus-outside-cluster-steven-acreman

# 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