分布式调度框架。
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[Improvement][Etcd] Support SSL In Etcd And Enhance Etcd In Helm (#13924)
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src [Improvement][Etcd] Support SSL In Etcd And Enhance Etcd In Helm (#13924) 1 year ago
README.md [Improvement][Etcd] Support SSL In Etcd And Enhance Etcd In Helm (#13924) 1 year ago
pom.xml [Improvement][Style] Fix remaining style errors and wildcard imports (#12412) 2 years ago

README.md

Introduction

This module is the etcd registry plugin module, this plugin will use etcd as the registry center.

How to use

If you want to set the registry center as etcd, you need to set the registry properties in master/worker/api's appplication.yml

registry:
  type: etcd
  endpoints: "http://etcd0:2379, http://etcd1:2379, http://etcd2:2379"
  # The options below have default values
  namespace: dolphinscheduler
  connection-timeout: 9s
  # The unit is milliseconds
  retry-delay: 60ms
  retry-max-delay: 300ms
  retry-max-duration: 1500ms
  # The following ssl options are set according to personal needs
  cert-file: "deploy/kubernetes/dolphinscheduler/etcd-certs/ca.crt"
  key-cert-chain-file: "deploy/kubernetes/dolphinscheduler/etcd-certs/client.crt"
  key-file: "deploy/kubernetes/dolphinscheduler/etcd-certs/client.pem"
  # The following auth options are set according to personal needs
  user: ""
  password: ""
  authority: ""
  load-balancer-policy: ""

If your etcd server has configured with ssl, about certification files you can see here for how to convert.

If you need ssl certification, you need to make sure your jdk version is newer than Java 8u252 (April 2020), jdk11 works well too.

By the way, the jdk version in docker images FROM eclipse-temurin:8-jre now is 8u362 works well, don't need change.

Because after version 8u252 has native support for ALPN. Detail you can see:

https://github.com/grpc/grpc-java/issues/5369#issuecomment-751885384

After do this config, you can start your DolphinScheduler cluster, your cluster will use etcd as registry center to store server metadata.