Prometheus 之全部業務容器指標的監控（即cadvisor數據）

時間 2021-04-02

標籤 node api curl ide url 3d code blog token 欄目 Linux 简体版

原文原文鏈接

1、cadvisor的理解使用

cAdvisor 的指標訪問路徑爲: https://10.96.0.1/api/v1/nodes/<node_name>/proxy/metrics ，如：

https://10.96.0.1/api/v1/nodes/k8s-master/proxy/metrics
https://10.96.0.1/api/v1/nodes/k8s-slave1/proxy/metrics
https://10.96.0.1/api/v1/nodes/k8s-slave2/proxy/metricsnode

curl -k  -H "Authorization: Bearer eyJhbGciOiJSUzI1NiIsImtpZCI6Inp6MklMeE1OajFfWlVuVGZvTXFsalh5Y2hsak9kVHpjdGpNaXpjZENSeDAifQ.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlcm5ldGVzLWRhc2hib2FyZCIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VjcmV0Lm5hbWUiOiJhZG1pbi10b2tlbi02bHB2cyIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VydmljZS1hY2NvdW50Lm5hbWUiOiJhZG1pbiIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VydmljZS1hY2NvdW50LnVpZCI6IjYwYTM1NTg2LTI4MTYtNDJkOS1iZjEzLWM2ODZlM2JiMTc3NSIsInN1YiI6InN5c3RlbTpzZXJ2aWNlYWNjb3VudDprdWJlcm5ldGVzLWRhc2hib2FyZDphZG1pbiJ9.TBwd0LTb1GKfXEKMJJt2IeilcpcYj2fL45M9iGu0TUni1qzyJ-blTzoU4d2qhh2lrSnVloPcfSjH8KfBq1qsvVn-2iUdQNRbntnFHh3NWPBKBykGNzVOwZazGEykKoekk_opc68Jm1TFzvtzZ_LhgsVF9wJZGLBpIreKZ1D4MJT-GRGF_CVDJ0Vwc2nuEP1w5R_ek8MbPDWLH_D-UZTaYsV1o5qcMoypBPORnMecV_QL32eOQ470eFQZfQgie8YfwRl8IdSoE5iVho4pExytV1w6UpXP_42QcFbx9GXz2NCu92kCylmGv62gR8Bcrn44spZd_z5udZI2EVpA8hsJNw" https://10.96.0.1:443/api/v1/nodes/k8s-master/proxy/metrics | more

2、以標準方式添加job

prometuese配置文件添加以下內容：api

- job_name: 'kubernetes-sd-cadvisor'
      kubernetes_sd_configs:
        - role: node

3、使用relabeling的能力，修改請求地址

一、需修改爲以下對應的地址：
https://10.96.0.1/api/v1/nodes/k8s-master/proxy/metrics
https://10.96.0.1/api/v1/nodes/k8s-slave1/proxy/metrics
https://10.96.0.1/api/v1/nodes/k8s-slave2/proxy/metricscurl

二、正則匹配過程
ide

三、修改joburl

- job_name: 'kubernetes-sd-cadvisor'
      kubernetes_sd_configs:
        - role: node
      scheme: https
      tls_config:
        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        insecure_skip_verify: true
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
      relabel_configs:
        - target_label: __address__
          replacement: 10.96.0.1
        - source_labels: [__meta_kubernetes_node_name]
          regex: (.+)
          target_label: __metrics_path__
          replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor

四、運行效果
3d