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运行在k8s(openshift)上的storm集群

由于storm是流计算形式的,所以特别适合构建在无状态的k8s容器集群里面。 这个编排需要用到之前的zookeeper编排,先生成一个3节点的zk集群,利用这个集群storm来保存状态信息和集群间通信。 当前的简单实现中,并未对zk的鉴权和storm鉴权进行设置

构建镜像

oc new-build https://github.com/asiainfoLDP/storm-openshift-orchestration.git --context-dir='image' 注意修改编排文件中的镜像名

创建编排

参数意义:

  • STORM_CMD - The storm command to run. Currently can be "nimbus", "supervisor", or "ui"
  • CONFIGURE_ZOOKEEPER - Set this to signal that we want to automatically set up the servers in the storm.yaml file. If this is set, the following variables are checked.
  • ZK_SERVER_1_SERVICE_HOST - Zookeeper Server 1
  • ZK_SERVER_2_SERVICE_HOST - Zookeeper Server 2
  • ZK_SERVER_${N}_SERVICE_HOST - Will keep searching for Zookeeper servers
  • APACHE_STORM_NIMBUS_SERVICE_HOST - Nimbus server IP

To run this in Kubernetes:

oc create -f kubernetes-nimbus-service.yaml
oc create -f kubernetes-ui-service.yaml

Create the replication controllers:

oc create -f kubernetes-nimbus-rc.yaml
oc create -f kubernetes-supervisor-rc.yaml
oc create -f kubernetes-ui-rc.yaml

需要替换其中的instanceid zookeeper服务名

暴露dashboard ui oc expose svc sb-instanceid-su

绑定和解除绑定

由于没有用户名和密码的认证,简单返回storm集群的地址就好了。kubernetes-nimbus-service.yaml 中的内容。

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