apache flink kubernetes 运行试用
类似docker-compose 运行模式,使用的是deploy 的模式
deploy yaml 文件
deploy-k8s-yaml
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: jobmanager
namespace: big-data
labels:
app: jobmanager
spec:
replicas: 1
template:
metadata:
labels:
app: jobmanager
spec:
containers:
- name: jobmanager
image: flink
imagePullPolicy: IfNotPresent
ports:
- containerPort: 6123
- containerPort: 8081
args: ["jobmanager"]
env:
- name: JOB_MANAGER_RPC_ADDRESS
value: jobmanager
---
# 暴露service 方便taskmanager 连接
apiVersion: v1
kind: Service
metadata:
name: jobmanager
namespace: big-data
labels:
app: jobmanager
spec:
type: NodePort
ports:
- port: 8081
targetPort: 8081
protocol: TCP
name: http
- port: 6123
targetPort: 6123
protocol: TCP
name: rpc
- port: 6124
targetPort: 6124
protocol: TCP
name: blob
- port: 6125
targetPort: 6125
protocol: TCP
name: query
selector:
app: jobmanager
---
# 访问地址使用ingress
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: jobmanager
namespace: big-data
spec:
rules:
- host: flink.data.com
http:
paths:
- backend:
serviceName: jobmanager
servicePort: 8081
path: /
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: taskmanager
namespace: big-data
labels:
app: taskmanager
spec:
replicas: 3
template:
metadata:
labels:
app: taskmanager
spec:
containers:
- name: taskmanager
image: flink
imagePullPolicy: IfNotPresent
ports:
- containerPort: 6121
- containerPort: 6122
args: ["taskmanager"]
env:
- name: JOB_MANAGER_RPC_ADDRESS
value: jobmanager
部署
kubectl apply -f deploy-k8s-yaml
访问
简单batchjob demo
具体代码参考 https://github.com/rongfengliang/flink-docker-compose-demo/tree/master/flink-app
运行效果
参考资料
https://github.com/rongfengliang/flink-docker-compose-demo
https://github.com/apache/flink/tree/master/flink-examples/flink-examples-batch/src/main/java/org/apache/flink/examples/java/wordcount