cfmcgrady commented on code in PR #2082:
URL:
https://github.com/apache/incubator-celeborn/pull/2082#discussion_r1387414709
##########
common/src/main/scala/org/apache/celeborn/common/util/CelebornHadoopUtils.scala:
##########
@@ -77,21 +77,20 @@ object CelebornHadoopUtils extends Logging {
}
def initKerberos(conf: CelebornConf, hadoopConf: Configuration): Unit = {
- // If we are accessing HDFS and it has Kerberos enabled, we have to login
- // from a keytab file so that we can access HDFS beyond the kerberos
ticket expiration.
UserGroupInformation.setConfiguration(hadoopConf)
- if (conf.hdfsStorageKerberosEnabled) {
- val principal = conf.hdfsStorageKerberosPrincipal
- .getOrElse(throw new NoSuchElementException(
- CelebornConf.HDFS_STORAGE_KERBEROS_PRINCIPAL.key))
- val keytab = conf.hdfsStorageKerberosKeytab
- .getOrElse(throw new
NoSuchElementException(CelebornConf.HDFS_STORAGE_KERBEROS_KEYTAB.key))
- if (!new File(keytab).exists()) {
- throw new CelebornException(s"Keytab file: ${keytab} does not exist")
- } else {
- logInfo("Attempting to login to Kerberos " +
- s"using principal: ${principal} and keytab: ${keytab}")
- UserGroupInformation.loginUserFromKeytab(principal, keytab)
+ if
("kerberos".equals(hadoopConf.get("hadoop.security.authentication").toLowerCase))
{
+ (conf.hdfsStorageKerberosPrincipal, conf.hdfsStorageKerberosKeytab)
match {
+ case (Some(principal), Some(keytab)) =>
+ logInfo("Attempting to login to Kerberos " +
+ s"using principal: ${principal} and keytab: ${keytab}")
Review Comment:
```suggestion
logInfo(
s"Attempting to login to Kerberos using principal: $principal
and keytab: $keytab")
```
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