Issue #14790 has been updated by Kelsey Hightower.

Status changed from Unreviewed to Accepted


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Bug #14790: catch-22 in dependancy ordering for user and ssh_authorized_key
https://projects.puppetlabs.com/issues/14790#change-64634

Author: Jo Rhett
Status: Accepted
Priority: Normal
Assignee: 
Category: agent
Target version: 2.7.x
Affected Puppet version: 2.7.14
Keywords: 
Branch: 


In theory, the dependancy of the ssh_authorized_key upon the user makes sense, 
but in practice it fails.

You can't create the ssh_authorized_key until the user exists, check.
You can't remove the ssh_authorized_key unless the user fails... fail.

There's no simple way to order this such that an ssh key is removed when the 
user is removed.

The only way around this problem is the rather ugly:

<pre>
    if $ensure == 'absent' {
        ssh_authorized_key{ "system-$username":
            ensure  => absent,
            name    => "system-$username",
            target  => "/etc/ssh/keys/$username",
            user    => $username,
            type    => $keytype,
            key     => $key, 
            before  => User[$username],
        }
    }

    user { $username:
        ensure     => $ensure,
        comment    => $comment,
        home       => $home,
        shell      => $shell,
        uid        => $uid,
        gid        => $groupname,
        managehome => true,
        system     => false,
        require    => Group[$groupname]
    }       
            
    if $ensure == 'present' {
        ssh_authorized_key{ "system-$username":
            ensure  => present,
            name    => "system-$username",
            target  => "/etc/ssh/keys/$username",
            user    => $username,                                               
                                                    
            type    => $keytype,
            key     => $key, 
        } 
    } 
</pre>

That seems a long bit unpuppet-like.


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