cbg-wx opened a new pull request, #19519:
URL: https://github.com/apache/hudi/pull/19519
Add hadoop.conf.dir in FlinkOptions to support for Flink cross-cluster Hudi
read/write
### Describe the issue this Pull Request addresses
<!-- Either describe the issue inline here with motivation behind the
changes
(or) link to an issue by including `Closes #<issue-number>` for
context.
If this PR includes changes to the storage format, public APIs,
or has breaking changes, use `!` (e.g., feat!: ...) -->
This pull request in order to close
https://github.com/apache/hudi/issues/19191
### Summary and Changelog
<!-- Short, plain-English summary of what users gain or what changed in
behavior.
Followed by a detailed log of all the changes. Highlight if any code
was copied. -->
1. add HADOOP_CONF_DIR to FlinkOptions、
```java
@AdvancedConfig
public static final ConfigOption<String> HADOOP_CONF_DIR = ConfigOptions
.key("hadoop.conf.dir")
.stringType()
.noDefaultValue()
.withDescription("The hadoop configuration directory, where the
core-site.xml, "
+ "hdfs-site.xml etc. lie in. Used to connect to a
different HDFS cluster "
+ "for cross-cluster writes.");
```
2. `FlinkClientUtil.java` — Add an overloaded `getHadoopConf(String
hadoopConfDir)` method with `hadoop.conf.dir` support.
3. `HadoopConfigurations.java` — Update getHadoopConf to support
`hadoop.conf.dir`
```java
public static org.apache.hadoop.conf.Configuration
getHadoopConf(Configuration conf) {
org.apache.hadoop.conf.Configuration hadoopConf =
FlinkClientUtil.getHadoopConf();
String hadoopConfDir =
conf.getString(FlinkOptions.HADOOP_CONF_DIR.key(), null);
if (hadoopConfDir != null && !hadoopConfDir.isEmpty()) {
hadoopConf = FlinkClientUtil.getHadoopConf(hadoopConfDir);
}
Map<String, String> options =
FlinkOptions.getPropertiesWithPrefix(conf.toMap(), HADOOP_PREFIX);
options.remove("conf.dir");
options.forEach(hadoopConf::set);
return hadoopConf;
}
```
### Impact
<!-- Describe any public API or user-facing feature change or any
performance impact. -->
flink read/write hudi table
### Risk Level
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the risk.
If medium or high, explain what verification was done to mitigate the
risks. -->
### Documentation Update
<!-- Describe any necessary documentation update if there is any new
feature, config, or user-facing change. If not, put "none".
- The config description must be updated if new configs are added or the
default value of the configs are changed.
- Any new feature or user-facing change requires updating the Hudi website.
Please follow the
[[instruction](https://hudi.apache.org/contribute/developer-setup#website)](https://hudi.apache.org/contribute/developer-setup#website)
to make changes to the website. -->
### Contributor's checklist
- [ ] Read through [[contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Enough context is provided in the sections above
- [ ] Adequate tests were added if applicable
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