在不同节点部署pods
在不同节点部署pods
提问于 2019-08-12 21:48:46
我有一个名为airflow的名称空间，它有两个pod：webserver和scheduler。我想在节点A上部署scheduler，在节点B上部署webserver。
在这里您可以看到部署文件：
调度程序：
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
namespace: airflow
name: airflow-scheduler
labels:
name: airflow-scheduler
spec:
replicas: 1
template:
metadata:
labels:
app: airflow-scheduler
spec:
terminationGracePeriodSeconds: 60
containers:
- name: scheduler
image: 123423.dkr.ecr.us-east-1.amazonaws.com/airflow:$COMMIT_SHA1
volumeMounts:
- name: logs
mountPath: /logs
command: ["airflow"]
args: ["scheduler"]
imagePullPolicy: Always
resources:
limits:
memory: "3072Mi"
requests:
cpu: "500m"
memory: "2048Mi"
volumes:
- name: logs
persistentVolumeClaim:
claimName: logswebserver服务器：
apiVersion: v1
kind: Service
metadata:
name: airflow-webserver
namespace: airflow
labels:
run: airflow-webserver
spec:
ports:
- port: 80
targetPort: 8080
selector:
run: airflow-webserver
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: airflow-webserver
namespace: airflow
annotations:
kubernetes.io/ingress.class: nginx
certmanager.k8s.io/cluster-issuer: letsencrypt-prod
spec:
tls:
- hosts:
- airflow.awesome.com.br
secretName: airflow-crt
rules:
- host: airflow.awesome.com.br
http:
paths:
- path: /
backend:
serviceName: airflow-webserver
servicePort: 80
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
namespace: airflow
name: airflow-webserver
labels:
run: airflow-webserver
spec:
replicas: 1
template:
metadata:
labels:
run: airflow-webserver
spec:
terminationGracePeriodSeconds: 60
containers:
- name: webserver
image: 123423.dkr.ecr.us-east-1.amazonaws.com/airflow:$COMMIT_SHA1
volumeMounts:
- name: logs
mountPath: /logs
ports:
- containerPort: 8080
command: ["airflow"]
args: ["webserver"]
imagePullPolicy: Always
resources:
limits:
cpu: "200m"
memory: "3072Mi"
requests:
cpu: "100m"
memory: "2048Mi"
volumes:
- name: logs
persistentVolumeClaim:
claimName: logs怎样才能保证pods部署在不同的节点上？
edit1：
antiaffinity不工作：
我尝试在scheduler上设置podAntiAffinity，但它不起作用：
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: name
operator: In
values:
- airflow-webserver
topologyKey: "kubernetes.io/hostname"回答 1
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/57468670
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