[Puppet Users] Re: Breaking operations on errors
On Aug 22, 9:28 am, Brian Troutwine wrote:
> On Mon, Aug 22, 2011 at 10:11 AM, jcbollinger
> wrote:
>
>
>
>
>
>
>
> > On Aug 19, 7:30 pm, Brian Troutwine wrote:
> > > Hello, all.
>
> > > Let's say I am building a super-weapon robot to destroy the world, save
> > for
> > > the people on a whitelist, and am using puppet to manage the
> > configuration
> > > of this robot.
>
> > > $ cat files/do_not_kill.txt
> > > Me
> > > Mom
> > > Dad
> > > Wife
>
> > > The robot will only being its rampage when /root/have_a_good_time exists.
> > My
> > > puppet configuration, in part, looks like so:
>
> > > file { '/root/have_a_good_time':
> > > ensure => present,
> > > ...
> > > require => File['/root/do_not_kill.txt'],
>
> > > }
>
> > > file { '/root/do_not_kill.txt':
> > > ensure => present,
> > > ...
> > > source => "puppet:///files/donut_kill.txt",
>
> > > }
>
> > > Those with sharp eyes will note that the inclusion of the whitelist will
> > > fail miserably: the source is wrong. But then,
>
> > > # puppet agent --test
>
> > > Uh oh. The enabler of the killer robot will be put into place because,
> > > despite the error, execution continued and we're all dead, me especially.
> > > How do I signal that I want to break execution on errors or, at least,
> > not
> > > continue on with the sub-tree of actions which the erroring resource is
> > the
> > > root of?
>
> > You left out the "MUWAHAHAAHHH!!!" Did you perhaps also leave out the
> > output from 'puppet agent'?
>
> > The behavior you request is what Puppet normally provides: if applying
> > a resource fails then other resources that depend on it do not get
> > applied. How about posting the output from 'puppet agent --test --
> > debug' with your manifest? Also, make sure that the agent is actually
> > getting the catalog with those resources.
>
> How do I ensure this last bit?
The last catalog received from the server is cached on the client in
YAML form. Look on the client in /var/lib/puppet. It is fairly
readable for simple manifests, but you would probably want a YAML
browser for complex ones.
John
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Re: [Puppet Users] Re: Breaking operations on errors
On Mon, Aug 22, 2011 at 10:11 AM, jcbollinger wrote:
>
>
> On Aug 19, 7:30 pm, Brian Troutwine wrote:
> > Hello, all.
> >
> > Let's say I am building a super-weapon robot to destroy the world, save
> for
> > the people on a whitelist, and am using puppet to manage the
> configuration
> > of this robot.
> >
> > $ cat files/do_not_kill.txt
> > Me
> > Mom
> > Dad
> > Wife
> >
> > The robot will only being its rampage when /root/have_a_good_time exists.
> My
> > puppet configuration, in part, looks like so:
> >
> > file { '/root/have_a_good_time':
> > ensure => present,
> > ...
> > require => File['/root/do_not_kill.txt'],
> >
> > }
> >
> > file { '/root/do_not_kill.txt':
> > ensure => present,
> > ...
> > source => "puppet:///files/donut_kill.txt",
> >
> > }
> >
> > Those with sharp eyes will note that the inclusion of the whitelist will
> > fail miserably: the source is wrong. But then,
> >
> > # puppet agent --test
> >
> > Uh oh. The enabler of the killer robot will be put into place because,
> > despite the error, execution continued and we're all dead, me especially.
> > How do I signal that I want to break execution on errors or, at least,
> not
> > continue on with the sub-tree of actions which the erroring resource is
> the
> > root of?
>
>
> You left out the "MUWAHAHAAHHH!!!" Did you perhaps also leave out the
> output from 'puppet agent'?
>
> The behavior you request is what Puppet normally provides: if applying
> a resource fails then other resources that depend on it do not get
> applied. How about posting the output from 'puppet agent --test --
> debug' with your manifest? Also, make sure that the agent is actually
> getting the catalog with those resources.
>
>
How do I ensure this last bit?
>
> John
>
> --
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>
>
--
Brian L. Troutwine
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[Puppet Users] Re: Breaking operations on errors
On Aug 19, 7:30 pm, Brian Troutwine wrote:
> Hello, all.
>
> Let's say I am building a super-weapon robot to destroy the world, save for
> the people on a whitelist, and am using puppet to manage the configuration
> of this robot.
>
> $ cat files/do_not_kill.txt
> Me
> Mom
> Dad
> Wife
>
> The robot will only being its rampage when /root/have_a_good_time exists. My
> puppet configuration, in part, looks like so:
>
> file { '/root/have_a_good_time':
> ensure => present,
> ...
> require => File['/root/do_not_kill.txt'],
>
> }
>
> file { '/root/do_not_kill.txt':
> ensure => present,
> ...
> source => "puppet:///files/donut_kill.txt",
>
> }
>
> Those with sharp eyes will note that the inclusion of the whitelist will
> fail miserably: the source is wrong. But then,
>
> # puppet agent --test
>
> Uh oh. The enabler of the killer robot will be put into place because,
> despite the error, execution continued and we're all dead, me especially.
> How do I signal that I want to break execution on errors or, at least, not
> continue on with the sub-tree of actions which the erroring resource is the
> root of?
You left out the "MUWAHAHAAHHH!!!" Did you perhaps also leave out the
output from 'puppet agent'?
The behavior you request is what Puppet normally provides: if applying
a resource fails then other resources that depend on it do not get
applied. How about posting the output from 'puppet agent --test --
debug' with your manifest? Also, make sure that the agent is actually
getting the catalog with those resources.
John
--
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