key9527 opened a new pull request, #18607:
URL: https://github.com/apache/dolphinscheduler/pull/18607
<!--Thanks very much for contributing to Apache DolphinScheduler, we are
happy that you want to help us improve DolphinScheduler! -->
## Was this PR generated or assisted by AI?
NO
<!--(Please answer YES or NO. If YES, please specify which parts were
generated or assisted by AI)-->
## Purpose of the pull request
<!--(For example: This pull request adds checkstyle plugin).-->
## Brief change log
- add ingressClassName conf，support custom ingressClassName
- fix alert-server register hostip
<!--*(for example:)*
- *Add maven-checkstyle-plugin to root pom.xml*
-->
## Verify this pull request
1.测试脚本，在容器环境里获取 getCanonicalHostName()
```sh
root@dolphinscheduler-alert-57ff675dc5-9nbpj:/opt/dolphinscheduler# cat >
DnsProbe.java << EOF
> import java.net.InetAddress;
>
> public class DnsProbe {
> public static void main(String[] args) throws Exception {
> InetAddress local = InetAddress.getLocalHost();
> System.out.println("getHostName = " + local.getHostName());
> System.out.println("getCanonicalName = " +
local.getCanonicalHostName());
> System.out.println("getHostAddress = " + local.getHostAddress());
> }
> }
> EOF
root@dolphinscheduler-alert-57ff675dc5-9nbpj:/opt/dolphinscheduler#
```
2.执行脚本，打印getHostAddress、getCanonicalName
```sh
root@dolphinscheduler-alert-57ff675dc5-9nbpj:/opt/dolphinscheduler# javac
DnsProbe.java
root@dolphinscheduler-alert-57ff675dc5-9nbpj:/opt/dolphinscheduler# java
DnsProbe
getHostName = dolphinscheduler-alert-57ff675dc5-9nbpj
getCanonicalName = dolphinscheduler-alert-57ff675dc5-9nbpj
getHostAddress = 10.244.1.200
```
3.bugfix
```java
public static String getHost(InetAddress inetAddress) {
if (inetAddress != null) {
if (KubernetesUtils.isKubernetesMode()) {
//
alert-server是以deploy方式部署的，canonicalHost取到的是dolphinscheduler-alert-57ff675dc5-9nbpj，k8s里无法解析这种host
String canonicalHost = inetAddress.getCanonicalHostName();
String[] items = canonicalHost.split("\\.");
if (items.length == 6 && "svc".equals(items[3])) {
return String.format("%s.%s", items[0], items[1]);
}
// return canonicalHost;
}
if (inetAddress instanceof Inet6Address) {
return normalizeV6Address((Inet6Address)
inetAddress).getHostAddress();
}
return inetAddress.getHostAddress();
}
return null;
}
```
<!--*(Please pick either of the following options)*-->
This pull request is code cleanup without any test coverage.
*(or)*
This pull request is already covered by existing tests, such as *(please
describe tests)*.
(or)
This change added tests and can be verified as follows:
<!--*(example:)*
- *Added dolphinscheduler-dao tests for end-to-end.*
- *Added CronUtilsTest to verify the change.*
- *Manually verified the change by testing locally.* -->
(or)
## Pull Request Notice
[Pull Request
Notice](https://github.com/apache/dolphinscheduler/blob/dev/docs/docs/en/contribute/join/pull-request.md)
If your pull request contains incompatible change, you should also add it to
`docs/docs/en/guide/upgrade/incompatible.md`
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