Robert Levas created AMBARI-8853:
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Summary: Configuration keys in Kerberos descriptors should allow
for variable replacement
Key: AMBARI-8853
URL: https://issues.apache.org/jira/browse/AMBARI-8853
Project: Ambari
Issue Type: Task
Components: ambari-server
Affects Versions: 2.0.0
Reporter: Robert Levas
Assignee: Robert Levas
Fix For: 2.0.0
Configuration keys in Kerberos descriptors should allow for variable
replacement. For example a typical {{configurations}} block may look like
{code}
"configurations" : [
"core-site": {
"hadoop.proxyuser.hive.groups":"${hadoop-env/proxyuser_group}"
},
"hive-site": {
.....
},
"webhcat-site": {
....
}
]
{code}
However some configuration keys need to be dynamically generated and should be
generated using the existing variable replacement feature in
{{org.apache.ambari.server.state.kerberos.AbstractKerberosDescriptor}}. For
example:
{code}
"configurations": [
"core-site": {
"hadoop.proxyuser.${hive-env/hive_user}.groups":"${hadoop-env/proxyuser_group}"
},
"hive-site": {
.....
},
"webhcat-site": {
....
}
]
{code}
The configuration key {{hadoop.proxyuser.$\{hive-env/hive_user\}.groups}}
should be processed such that _$\{hive-env/hive_user\}_ is replaced some value
like {{hive}} to yield {{hadoop.proxyuser.hive.groups}}
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