Bug 1024772

Created attachment 817443 [details]
configure kerberos authorization

Description of problem:
When add a krb5-principalsshkey to a app and active kerberos authorization, it can ssh into, but snapshot save will ssh into the app instead of snapshot to a file 

# rhc snapshot save app
Pulling down a snapshot to app.tar.gz...
bash: cannot set terminal process group (-1): Invalid argument
bash: no job control in this shell

    *********************************************************************

    You are accessing a service that is for use only by authorized users.  
    If you do not have authorization, discontinue use at once. 
    Any use of the services is subject to the applicable terms of the 
    agreement which can be found at: 
    https://www.openshift.com/legal

    *********************************************************************

    Welcome to OpenShift shell

    This shell will assist you in managing OpenShift applications.

    !!! IMPORTANT !!! IMPORTANT !!! IMPORTANT !!!
    Shell access is quite powerful and it is possible for you to
    accidentally damage your application.  Proceed with care!
    If worse comes to worst, destroy your application with "rhc app delete"
    and recreate it
    !!! IMPORTANT !!! IMPORTANT !!! IMPORTANT !!!

    Type "help" for more info.


WARNING: This ssh terminal was started without a tty.
          It is highly recommended to login with: ssh -t
[app-y.dev.rhcloud.com 5270cf47e97c04dfc1000008]\>

Version-Release number of selected component (if applicable):
devenv_3966
rhc-1.16.5

How reproducible:
always

Steps to Reproduce:
1.configure kerberos authorization with attachment script on instance
2.create an app
3.remove all other type sshkeys
4.add a krb5-principal type sshkey
5.change the selinux context
chcon -t krb5_home_t /var/lib/openshift/$gear_id/.k5login
6.initialize a ticket for the krb5-principal sshkey content
7.snapshot save the app

Actual results:
# rhc snapshot save app
Pulling down a snapshot to app.tar.gz...
bash: cannot set terminal process group (-1): Invalid argument
bash: no job control in this shell

    *********************************************************************

    You are accessing a service that is for use only by authorized users.  
    If you do not have authorization, discontinue use at once. 
    Any use of the services is subject to the applicable terms of the 
    agreement which can be found at: 
    https://www.openshift.com/legal

    *********************************************************************

    Welcome to OpenShift shell

    This shell will assist you in managing OpenShift applications.

    !!! IMPORTANT !!! IMPORTANT !!! IMPORTANT !!!
    Shell access is quite powerful and it is possible for you to
    accidentally damage your application.  Proceed with care!
    If worse comes to worst, destroy your application with "rhc app delete"
    and recreate it
    !!! IMPORTANT !!! IMPORTANT !!! IMPORTANT !!!

    Type "help" for more info.


WARNING: This ssh terminal was started without a tty.
          It is highly recommended to login with: ssh -t
[app-y.dev.rhcloud.com 5270cf47e97c04dfc1000008]\> 

Expected results:
It should display like the following:
# rhc snapshot save php
Pulling down a snapshot to php.tar.gz...
Creating and sending tar.gz
RESULT:
Success


Additional info: