download api作用： 可以通过环境变量或Volume挂载将pod信息注入到容器内部
apiVersion: apps/v1 kind: Deployment metadata: name: nginx-deployment spec: selector: matchLabels: app: nginx replicas: 1 template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx:1.11 ports: - containerPort: 80 env: - name: MY_POD_NAME valueFrom: fieldRef: fieldPath: metadata.name - name: MY_POD_NAMESPACE valueFrom: fieldRef: fieldPath: metadata.namespace - name: MY_POD_IP valueFrom: fieldRef: fieldPath: status.podIP转载于:https://www.cnblogs.com/lovelinux199075/p/11295045.html
相关资源：k8s核心指标API Metrics-Server部署指南！