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From "jun aoki (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-13825) Exchange of keys should be done during start phase (not during install)
Date Thu, 12 Nov 2015 20:02:11 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-13825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002816#comment-15002816
] 

jun aoki commented on AMBARI-13825:
-----------------------------------

Committed to trunk
545ea7493a58f3190b29ee394f18a3f88499e6c9

> Exchange of keys should be done during start phase (not during install)
> -----------------------------------------------------------------------
>
>                 Key: AMBARI-13825
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13825
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>            Reporter: bhuvnesh chaudhary
>            Assignee: bhuvnesh chaudhary
>            Priority: Minor
>             Fix For: trunk
>
>         Attachments: AMBARI-13825.patch
>
>
> ssh-exkeys is setup to be executed as part of installation for the service. There is
no install time dependencies for HAWQ components, so if hawq master install is triggered first,
it will execute ssh keys with slaves but incase if hawq segment install is not invoked by
ambari yet, gpadmin user will not be present and hawq master install may fail during it while
exchanging keys. 
> We need to put exchange keys during start of master service and not install.
> {noformat}
> /usr/local/hawq/ext/python/lib/python2.6/getpass.py:79: GetPassWarning: Can not control
echo on the terminal.
>   passwd = fallback_getpass(prompt, stream)
> Warning: Password input may be echoed.
>   *** Enter password for ip-10-32-39-31.ore1.vpc.pivotal.io: [STEP 1 of 5] create local
ID and authorize on local host
>   ... /home/gpadmin/.ssh/id_rsa file exists ... key generation skipped
> [STEP 2 of 5] keyscan all hosts and update known_hosts file
> [STEP 3 of 5] authorize current user on remote hosts
>   ... send to ip-10-32-38-111.ore1.vpc.pivotal.io
>   ... send to ip-10-32-39-12.ore1.vpc.pivotal.io
>   ... send to ip-10-32-39-252.ore1.vpc.pivotal.io
>   ... send to ip-10-32-39-31.ore1.vpc.pivotal.io
> Traceback (most recent call last):
>   File "/usr/local/hawq/./bin/gpssh-exkeys", line 753, in <module>
>     send_local_id = h.sendLocalID(localID, GV.passwd, tempDir if isExistingHost else
None)
>   File "/usr/local/hawq/./bin/gpssh-exkeys", line 200, in sendLocalID
>     pwd = getpass.getpass('  *** Enter password for %s: ' % (self.m_host), sys.stderr)
>   File "/usr/local/hawq/ext/python/lib/python2.6/getpass.py", line 79, in unix_getpass
>     passwd = fallback_getpass(prompt, stream)
>   File "/usr/local/hawq/ext/python/lib/python2.6/getpass.py", line 114, in fallback_getpass
>     return _raw_input(prompt, stream)
>   File "/usr/local/hawq/ext/python/lib/python2.6/getpass.py", line 130, in _raw_input
>     raise EOFError
> EOFError
> {noformat}



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