[chef] Re: Re: Re: Re: Re: wait attribute for execute resource

[Noah Kantrowitz < >]

Yeah, that seems to cover the general case best, though for LWRPs and other 
composed resources I would still vote for it to be a best practice to wrap 
that in an action :-)

--Noah

On Nov 29, 2013, at 2:55 PM, Adam Jacob 
<
 >
 wrote:

> I think I like the idea of a block/wait resource more.
> 
> Adam
> 
> 
> On Fri, Nov 29, 2013 at 11:43 AM, Noah Kantrowitz 
> <
 >
>  wrote:
> Whats the reason for this being part of the resource instead of its own 
> resource that just blocks the converge until the condition passes, or an 
> action on the resource (a la 
> https://github.com/balanced-cookbooks/jenkins/blob/master/libraries/jenkins.rb#L174-L186)?
> 
> --Noah
> 
> On Nov 29, 2013, at 2:40 PM, Jordan Dea-Mattson 
> <
 >
>  wrote:
> 
> > Yes, wait_for is the way to go.
> >
> > We need to have a back off with a timeout.
> >
> > Something like:
> >    wait_for foo for N_SECONDS with N checks
> >
> > Based on the timeout and the number of checks, an exponential back off 
> > will be run.
> >
> >
> > On Fri, Nov 29, 2013 at 11:34 AM, Adam Jacob 
> > <
 >
> >  wrote:
> > Maybe wait_for rather than if? Also, going to need to control timeout for 
> > the wait to avoid deadlocks.
> >
> > On Nov 29, 2013 11:27 AM, "Daneel Yaitskov" 
> > <
 >
> >  wrote:
> > Hi,
> >
> > What do you think about another attribute for the execute resource?
> > It's wait or while.
> >
> > Some processes as virsh start is async.
> > Using second execute resource is not short.
> >
> > Example:
> >
> > execute "virsh shutdown #{ name }" do
> >    only_if "virsh domstate #{ name } | grep -c running"
> > end
> >
> > execute "while virsh domstate #{ name } | grep -q running ; do : ; done"
> >
> > but with new attribute it could be
> >
> > execute "virsh shutdown #{ name }" do
> >    only_if "virsh domstate #{ name } | grep -c running"
> >    wait_if  "virsh domstate #{ name } | grep -q running"
> > end
> >
> >
> >
> >
> > --
> > Daneel S. Yaitskov
> >
> 
> 
> 
> 
> -- 
> Opscode, Inc.
> Adam Jacob, Chief Dev Officer
> T: (206) 619-7151 E: 
>

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail