pdb 控制pod自愿中断时，最大可用和不可用的pod数量，可能会在node drain时阻断维护进程。
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| apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: xiemx
name: xiemx
spec:
replicas: 3
selector:
matchLabels:
app: xiemx
template:
metadata:
labels:
app: xiemx
spec:
containers:
- image: busybox
name: busybox
command: ["sleep", "60"]
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
name: xiemx-PDB
spec:
maxUnavailable: 1
selector:
matchLabels:
app: xiemx
|
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| ➜ pdb git:(master) ✗ k get pdb
NAME MIN AVAILABLE MAX UNAVAILABLE ALLOWED DISRUPTIONS AGE
xiemx-PDB N/A 1 0 7s
|
