[jira] [Created] (AMBARI-14376) Create KerberosHelper method to create the headless Kerberos identities and keytab files (inline)

[Robert Levas (JIRA)]

Robert Levas created AMBARI-14376:
-------------------------------------

             Summary: Create KerberosHelper method to create the headless 
Kerberos identities and keytab files (inline)
                 Key: AMBARI-14376
                 URL: https://issues.apache.org/jira/browse/AMBARI-14376
             Project: Ambari
          Issue Type: Task
          Components: ambari-server
    Affects Versions: 2.2.0
            Reporter: Robert Levas
            Assignee: Robert Levas
             Fix For: 2.2.1


Create a KerberosHelper method to create the headless Kerberos identities and 
keytab files (inline). 

This can be used to create the common identities and keytab files before 
parallel invocations attempt to do so. Due to a race condition, parallel 
invocations of the server-side actions to create principals and keytab files 
may lead to invalid keytab files being distributed to some host because the 
password contained in them were clobbered. 

By calling this new method before calls to install and start services the 
potential of the race condition will be avoided. 

{code}
boolean createHeadlessKerberosIdentities(Cluster cluster, Map<String, 
Map<String, String>> existingConfigurations, Set<String> services)
{code}




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