عملية الترقية لمجموعة Kubernetes الخاصة بك
- Kubernetes . , . Kubernetes "Voluntary Disruption".
4 :
- .
- pod’ Kubernetes-
- pod'
- Kubernetes- PodDisruptionBudgets
(. . )
, Kubernetes .
, , . , lifecycle hooks, readiness probes Pod disruption budgets .
, . , Kubernetes , pod'a, Service:
pod’ Nginx Service Kubernetes-.
. ? , . , :
- , pod’ . pod’ ? , , .
- ? pod’ .
pod’ , , . , ( VM), . pod’ , pod’. kubectl drain.
pod’
drain pod’ . drain unschedulable ( NoSchedule). pod’. drain pod’ , , TERM pod’.
kubectl drain pod’, , drain:
TERM . pod’ , Kubernetes TERM , , , . , , pod’ , (, ).- pod’, . , pod’ , .
voluntary disruption, , , drain , Kubernetes :
Kubernetes pod’. , :
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
labels:
app: nginx
spec:
replicas: 2
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.15
ports:
- containerPort: 80
---
kind: Service
apiVersion: v1
metadata:
name: nginx-service
spec:
selector:
app: nginx
ports:
- protocol: TCP
targetPort: 80
port: 80
Deployment, pod’ nginx . , Service, pod’ nginx .
, , Kubernetes .
Kubernetes AWS , Gruntwork.io.
: