Thanks guys for your input. That's correct I am looking to act upon another
file's nonexistence... I will go with facter.
On Friday, May 31, 2013 2:57:56 PM UTC+2, Matthias Saou wrote:
>
> Hi,
>
> Indeed, I had missed that John was mentioning two different files
> ("config.php" vs. "autoconfig.php"). In that case, my only bit of
> (useless) advice is : You're not using puppet in the way it's most
> efficient, as it's not meant to manage nodes based on changes it
> doesn't make itself.
>
> Custom fact, it is...
>
> Matthias
>
> Dan White <[email protected] <javascript:>> wrote:
>
> > That is an excellent example, but I think you miss the original point:
> >
> > Your example deals with only one file resource - the dot-gitconfig
> > file Suppose you only wanted to perform this action if git was
> > installed on the system, and do nothing if it was not ?
> >
> > This additional requirement puts it closer to the original question
> > and this is where a custom fact is called for in the opinion of
> > several folks on the list including myself.
> >
> > If you can offer an example that demonstrates otherwise, I would
> > welcome it. I do not believe it possible without the custom fact and
> > I have several hours of frustrated tinkering to show for it. I
> > wanted to set a parameter in a config file but only if (the config
> > file exists and/or the associated package is installed) and found I
> > could not do it completely from within the manifest.
> >
> > “Sometimes I think the surest sign that intelligent life exists
> > elsewhere in the universe is that none of it has tried to contact
> > us.” Bill Waterson (Calvin & Hobbes)
> >
> > ----- Original Message -----
> > From: "Matthias Saou" <[email protected] <javascript:>>
> > To: [email protected] <javascript:>
> > Sent: Friday, May 31, 2013 4:00:15 AM
> > Subject: Re: [Puppet Users] Run a File resource only if another file
> > is missing
> >
> > There are other ways. None are nice and clean, but a custom fact just
> > for this seems overkill.
> >
> > Here's a quick example of how I've implemented creating a default
> > ~/.gitconfig for users if it doesn't exist, but not modify it if it's
> > already there or has been modified.
> >
> > $gitconfig_user_name = $mymodule::uservar::fullname[$title]
> > $gitconfig_user_email = "${[email protected] <javascript:>"
> > file { "${home}/.gitconfig":
> > owner => $owner,
> > group => $group,
> > mode => '0644',
> > require => Exec["create-gitconfig-${title}"],
> > }
> > exec { "create-gitconfig-${title}":
> > command => template('mymodule/user/gitconfig.erb'),
> > require => User[$title],
> > creates => "${home}/.gitconfig",
> > }
> >
> > The gitconfig.erb has the following content :
> > /bin/cat > <%= home %>/.gitconfig << EOF
> > [user]
> > name = <%= @gitconfig_user_name %>
> > email = <%= @gitconfig_user_email %>
> > EOF
> >
> > Basically, just don't have either 'source' nor 'content' for your file
> > resource, and create the initial content using an exec with the
> > 'creates' condition.
> >
> > Matthias
> >
> > Dan White <[email protected] <javascript:>> wrote:
> >
> > > Short Answer: You need to create a custom fact that would drive the
> > > decision to create the new file resource.
> > >
> > > I just went thru this issue and also performing an action based on
> > > whether or not a package (RPM in my case) is installed.
> > >
> > > Same answer to both.
> > >
> > > For the existence of a file, you can do this:
> > >
> > > #!/bin/bash
> > > test -f /var/www/owncloud/config/config.php
> > > rc=$?
> > > echo "is_my_file_there=${rc}"
> > >
> > > That goes into /etc/facter/facts.d/ as an executable shell script
> > > and then in your manifest:
> > >
> > > if $::is_my_file_there != 0 {
> > > file { 'autoconfig.php':
> > > .....
> > > }
> > > }
> > >
> > >
> > > “Sometimes I think the surest sign that intelligent life exists
> > > elsewhere in the universe is that none of it has tried to contact
> > > us.” Bill Waterson (Calvin & Hobbes)
> > >
> > > ----- Original Message -----
> > > From: "John Naggets" <[email protected] <javascript:>>
> > > To: [email protected] <javascript:>
> > > Sent: Thursday, May 30, 2013 4:04:29 PM
> > > Subject: [Puppet Users] Run a File resource only if another file is
> > > missing
> > >
> > > Hi,
> > >
> > > I would like to run the File resource below:
> > >
> > > file { 'autoconfig.php':
> > > path => '/var/www/owncloud/config/autoconfig.php',
> > > ensure => file,
> > > owner => 'www-data',
> > > group => 'www-data',
> > > content => template("owncloud/autoconfig.php.erb"),
> > > }
> > >
> > > only when a specific file (in my
> > > case: /var/www/owncloud/config/config.php) is missing. Is this
> > > somehow possible? Couldn't find my case in the puppet
> > > documentation...
> > >
> > > Thanks!
> > > John
> > >
> > >
> >
>
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