prometheus配置

prometheus配置 

参考：

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：

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

（2）

参考

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