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https://issues.apache.org/jira/browse/YARN-10308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated YARN-10308:
------------------------------
Affects Version/s: 3.4.0
> Update javadoc and variable names for keytab in yarn services as it supports
> filesystems other than hdfs and local file system
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-10308
> URL: https://issues.apache.org/jira/browse/YARN-10308
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.4.0
> Reporter: Bilwa S T
> Assignee: Bilwa S T
> Priority: Minor
> Fix For: 3.4.0
>
> Attachments: YARN-10308.001.patch, YARN-10308.002.patch
>
>
> 1. Below description should be updated
> {code:java}
> @ApiModelProperty(value = "The URI of the kerberos keytab. It supports two " +
> "schemes \"hdfs\" and \"file\". If the URI starts with \"hdfs://\" " +
> "scheme, it indicates the path on hdfs where the keytab is stored. The
> " +
> "keytab will be localized by YARN and made available to AM in its
> local" +
> " directory. If the URI starts with \"file://\" scheme, it indicates a
> " +
> "path on the local host where the keytab is presumbaly installed by " +
> "admins upfront. ")
> public String getKeytab() {
> return keytab;
> }
> {code}
> 2. Variables below are still named on hdfs which is confusing
> {code:java}
> if ("file".equals(keytabURI.getScheme())) {
> LOG.info("Using a keytab from localhost: " + keytabURI);
> } else {
> Path keytabOnhdfs = new Path(keytabURI);
> if (!fileSystem.getFileSystem().exists(keytabOnhdfs)) {
> LOG.warn(service.getName() + "'s keytab (principalName = "
> + principalName + ") doesn't exist at: " + keytabOnhdfs);
> return;
> }
> LocalResource keytabRes = fileSystem.createAmResource(keytabOnhdfs,
> LocalResourceType.FILE);
> localResource.put(String.format(YarnServiceConstants.KEYTAB_LOCATION,
> service.getName()), keytabRes);
> LOG.info("Adding " + service.getName() + "'s keytab for "
> + "localization, uri = " + keytabOnhdfs);
> }
> {code}
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