Puppet users - Mar 2010 - Recent Func changes to make Func work better with Puppet

For those of you using both Func and Puppet (perhaps to kick off
Puppetruns, or otherwise to just run arbitrary commands ''now''
like
shutdown, reboot, etc), Seth Vidal recently added some changes that
make Func be able to use Puppet certs as an option.
This should be a lot easier as then you don''t have two certificate
management systems and have potentially differing copies of your
system inventory.

See https://www.redhat.com/archives/func-list/2010-March/msg00009.html

On a related ideas-merging note, I''m currently working on teaching
puppetrun to understand shell globs (we had previously talked about
calling this ''pfunc'', but there''s no reason to not
just enhance
puppetrun), and I''ll probably
see if remote ralsh is feasible for it as well.

So you''ll be able to do:

puppetrun -host "web*.example.org"

And so forth.

--Michael

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On 08/03/10 19:04, Michael DeHaan wrote:
> For those of you using both Func and Puppet (perhaps to kick off
> Puppetruns, or otherwise to just run arbitrary commands
''now'' like
> shutdown, reboot, etc), Seth Vidal recently added some changes that
> make Func be able to use Puppet certs as an option.
> This should be a lot easier as then you don''t have two certificate
> management systems and have potentially differing copies of your
> system inventory.
> 
> See https://www.redhat.com/archives/func-list/2010-March/msg00009.html
That is useful. It means I can get rid of an additional service on all
my nodes (certmaster).
> On a related ideas-merging note, I''m currently working on teaching
> puppetrun to understand shell globs (we had previously talked about
> calling this ''pfunc'', but there''s no reason to
not just enhance
> puppetrun), and I''ll probably
> see if remote ralsh is feasible for it as well.
> 
> So you''ll be able to do:
> 
> puppetrun -host "web*.example.org"
> 
> And so forth.
A few points on puppetrun/func, etc.

1. I would strongly recommend not building a whole load of additional
functionality into puppetrun; leave it as a tool to run puppet on-demand
on an arbitrary set of hosts from puppetmaster.

2. Add the additional functionality by adding a new command (you mention
pfunc above). This could potentially be a port of func.

3. regex would be far better than shell globs. I find globs to be a real
limitation in func..

R.

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On Tue, Mar 9, 2010 at 5:28 AM, Robin Bowes <robin-lists@robinbowes.com>
wrote:
> On 08/03/10 19:04, Michael DeHaan wrote:
>> For those of you using both Func and Puppet (perhaps to kick off
>> Puppetruns, or otherwise to just run arbitrary commands
''now'' like
>> shutdown, reboot, etc), Seth Vidal recently added some changes that
>> make Func be able to use Puppet certs as an option.
>> This should be a lot easier as then you don''t have two
certificate
>> management systems and have potentially differing copies of your
>> system inventory.
>>
>> See https://www.redhat.com/archives/func-list/2010-March/msg00009.html
>
> That is useful. It means I can get rid of an additional service on all
> my nodes (certmaster).
>
>> On a related ideas-merging note, I''m currently working on
teaching
>> puppetrun to understand shell globs (we had previously talked about
>> calling this ''pfunc'', but there''s no reason
to not just enhance
>> puppetrun), and I''ll probably
>> see if remote ralsh is feasible for it as well.
>>
>> So you''ll be able to do:
>>
>> puppetrun -host "web*.example.org"
>>
>> And so forth.
>
> A few points on puppetrun/func, etc.
>
> 1. I would strongly recommend not building a whole load of additional
> functionality into puppetrun; leave it as a tool to run puppet on-demand
> on an arbitrary set of hosts from puppetmaster.
Either way -- if I do decide to go down those routes, that
functionality will be off by default
and optional.

I don''t particularly like the idea of duplicating lots of functionality
between
tools/commands.   That tends to create more to maintain in the long run.

>
> 3. regex would be far better than shell globs. I find globs to be a real
> limitation in func..
I tend to like this idea, yet all of the escaping becomes annoying for simple
cases.   It could be an option that could be added later.
>
> R.
>
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>
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