[jira] [Created] (AMBARI-9209) Add the ability to append a random value to values in LDAP attributes when generating principals in Active Directory

["Robert Levas (JIRA)" <ji...@apache.org>]

Robert Levas created AMBARI-9209:
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             Summary: Add the ability to append a random value to values in LDAP attributes when generating principals in Active Directory
                 Key: AMBARI-9209
                 URL: https://issues.apache.org/jira/browse/AMBARI-9209
             Project: Ambari
          Issue Type: Task
          Components: ambari-server
    Affects Versions: 2.0.0
            Reporter: Robert Levas
            Assignee: Robert Levas
             Fix For: 2.0.0


Add ability to append a random value to values in LDAP attributes when generating principals in Active Directory.

For example the {{cn}} and {{sAMAccountName}} attributes must be unique.  In some caes the {{cn}} is not allowed to have {{/}} characters and in all cases the {{sAMAccountName}} is not allow to have {{/}} characters. Therefore to generate values for these attributes, the _instance_ part of the principal needs to be stripped off and a random string needs to be appended. 

This can be seen where the principal is {{nn/c6501.ambari.apache.org@EXAMPLE.COM}}.  The {{cn}} would typically be {{nn/c6501.ambari.apache.org}}.  Providing for a random string would allow the {{cn}} value to be something like {{nn-ythnskdtarsjko5fsdfdsb}}. Since the {{sAMAccountName}} can be at most 20 characters, it would be {{nn-ythnskdtarsjko5fs}}.

Since the generation of the attributes and values is done using a Velocity template, this random string will need to be generated and stored in the Velocity engine context before processing the template.




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