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Posted to yarn-dev@hadoop.apache.org by "Bilwa S T (Jira)" <ji...@apache.org> on 2020/06/08 09:48:00 UTC
[jira] [Created] (YARN-10308) Update javadoc and variable names for
keytab in yarn services as it supports schemes other than hdfs and local
file system
Bilwa S T created YARN-10308:
--------------------------------
Summary: Update javadoc and variable names for keytab in yarn services as it supports schemes 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
Reporter: Bilwa S T
Assignee: Bilwa S T
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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