Kubernetes 节点特性选择与状态应用指南
1. 节点特性选择与 Pod 调度规则
在 Kubernetes 中,我们可以通过配置来选择或避免具有特定硬件属性的节点。例如,以下是一个 Deployment 的配置示例:
apiVersion: apps/v1
kind: Deployment
metadata:
name: timeserver
spec:
replicas: 3
selector:
matchLabels:
pod: timeserver-pod
template:
metadata:
labels:
pod: timeserver-pod
spec:
containers:
- name: timeserver-container
image: docker.io/wdenniss/timeserver:5
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: pod
operator: In
values:
- mariadb-pod
topologyKey
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