跳到主要内容

Lens

警告
  • 无法使用外部 prometheus - #909
    • 可以用 promxy 代理现有的外部 prometheus - 在内部使用

extensions/metrics-cluster-feature​

  • Namespace lens-metrics
    • StatefulSet prometheus
      • prometheus
        • --storage.tsdb.retention.time=2d
        • --storage.tsdb.retention.size=5GB
      • ServiceAccount prometheus
      • Service prometheus
        • 80 -> 9090
        • prometheus.io/scrape: 'true'
      • ConfigMap prometheus-config
        • prometheus.yaml
      • ConfigMap prometheus-rules
        • alertmanager.rules.yaml
        • etcd3.rules.yaml
        • general.rules.yaml
        • kube-state-metrics.rules.yaml
        • kubelet.rules.yaml
        • kubernetes.rules.yaml
        • node.rules.yaml
        • prometheus.rules.yaml
    • ClusterRole - lens-prometheus
      • ServiceAccount prometheus
    • DaemonSet - node-exporter
      • Service 80 -> 9100
    • Deployment - kube-state-metrics
  • Using Custom Prometheus
# 可以使用 HELM 安装的 - 需要抓取时间小于 1 分钟
helm upgrade --set server.global.scrape_interval=30s prometheus stable/prometheus

kube-prometheus​

  • 支持需要 relabel
    • 该说明有问题
  • 选择 helm 安装，指定 monitoring/kube-prometheus-prometheus:9090
提示
  • #180 - Documentation is incorrect for Prometheus troubleshooting
  • #656 - What are the requirements to make my prometheus deployment compatible with Lens?
bitnam/kube-prometheus/values.yaml
# Lens
# ====
node-exporter:
  serviceMonitor:
    # interval: 10s
    relabelings:
      - action: replace
        regex: (.*)
        replacement: $1
        sourceLabels:
          - __meta_kubernetes_pod_node_name
        targetLabel: kubernetes_node

kubelet:
  serviceMonitor:
    # interval: 15s
    metricRelabelings:
      - action: replace
        sourceLabels:
          - node
        targetLabel: instance

# limit & request works
kube-state-metrics:
  serviceMonitor:
    honorLabels: true

features/user-mode​

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: lens-user
rules:
  - verbs:
      - list
    apiGroups:
      - ''
    resources:
      - namespaces
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: lens-user
subjects:
  - kind: Group
    apiGroup: rbac.authorization.k8s.io
    name: 'system:authenticated'
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: lens-user