要使用Apache Flink Stateful Functions在Kubernetes上部署远程函数,可以按照以下步骤进行操作:
首先,需要创建一个Kubernetes集群,并确保已经安装了kubectl和helm。
下载Flink的Helm chart,并将其解压到本地目录中。
$ wget https://github.com/apache/flink-charts/archive/1.4.0.tar.gz
$ tar -xzvf 1.4.0.tar.gz
$ cd flink-charts-1.4.0/flink
values.yaml
文件,以启用Kubernetes部署和远程函数支持。flink:
kubernetes:
enabled: true
statefulfunctions:
enabled: true
$ helm install flink .
$ kubectl get pods
$ kubectl cp your-jar-file.jar :/opt/flink/usrlib/your-jar-file.jar
job.yaml
),指定要部署的远程函数。apiVersion: batch/v1
kind: Job
metadata:
name: statefun-job
spec:
template:
spec:
containers:
- name: flink-job
image: flink:1.12.0
command:
- /opt/flink/bin/flink
- run
- -m
- kubernetes-cluster:8081
- -p
- 1
- /opt/flink/usrlib/your-jar-file.jar
volumeMounts:
- name: flink-config
mountPath: /opt/flink/conf
restartPolicy: Never
volumes:
- name: flink-config
configMap:
name: flink-config
$ kubectl create configmap flink-config --from-literal=flink-conf.yaml="$(cat flink-conf.yaml)"
$ kubectl create -f job.yaml
$ kubectl get jobs
$ kubectl describe job statefun-job
以上步骤将在Kubernetes上部署Apache Flink Stateful Functions远程函数,并启动一个Job来执行函数逻辑。请将your-jar-file.jar
替换为实际的JAR文件,并根据需要修改其他配置。