通过kube-prometheus安装的k8s监控系统。
在targets页面，我们来分析一下monitoring/node-exporter/的这个Targets。
node-exporter-serviceMonitor.yaml内容：
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| apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
labels:
k8s-app: node-exporter
name: node-exporter
namespace: monitoring
spec:
endpoints:
- bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
interval: 30s
port: https
relabelings:
- action: replace
regex: (.*)
replacment: $1
sourceLabels:
- __meta_kubernetes_pod_node_name
targetLabel: instance
scheme: https
tlsConfig:
insecureSkipVerify: true
jobLabel: k8s-app
selector:
matchLabels:
k8s-app: node-exporter
|
monitoring/node-exporter/0
Endpoint: https://172.16.64.233:9100/metrics
查看Configuration页面，发现是以role endpoints做为自动服务发现的
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| - job_name: monitoring/node-exporter/0
honor_timestamps: true
scrape_interval: 30s
scrape_timeout: 10s
metrics_path: /metrics
scheme: https
kubernetes_sd_configs:
- role: endpoints
...
|
获取token
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| kubectl get secret prometheus-k8s-token-sm6gd -n monitoring -o template={{.data.token}} | base64 -d
|
通过template获取secret里面的值，要通过base64解密一下的。
指标大部分以node_开始
少许几个以promhttp_metric_开始的指标。
指标node-exporter-node0.txt 点击查看