Puppet right now requires every element of a path to have an individual
file definition. This makes it had to take an arbitrary path as a
parameter. You are forced to require your client to make the entire path
structure for you or instead you use an exec resource and call mkdir -p.
Using an exec resource does not generate an File resources so autorequire
does not work.
I didn't like this, I wanted to be able to once specify a path and have
puppet do that autorequire as needed.
Something like:
path {"/blah/blah/blah/and/blah":
}
In order to make this happen I would have to manually define each file:
file {"/blah/":
ensure => directory,
}
file {"/blah/blah/":
ensure => directory,
}
file {"/blah/blah/blah/":
ensure => directory,
}
file {"/blah/blah/blah/and/":
ensure => directory,
}
file {"/blah/blah/blah/and/blah/":
ensure => directory,
}
Of course there is a short hand for this:
file {["/blah/", "/blah/blah/", "/blah/blah/blah/",
"/blah/blah/blah/and/","/blah/blah/blah/and/blah/"]:
ensure => directory,
}
Then it occurred to me I could parse the path and produce the array of
elements needed. Something like:
$path = "/blah/blah/blah/and/blah"
$file_list = split($path, $file_separator)
$paths = inline_template('<% parent = nil %><%=@file_list.collect{
|file| parent.nil? ? parent = "#{@file_separator}":parent =
"#{parent}#{file}#{@file_separator}"}.join(@path_separator) %>')
$path_list = split($paths, $path_separator)
file{$path_list:
ensure => directory,
}
This works great.... once. Then you get errors like:
Error: Duplicate declaration: File[/]
If there anyway to trim down the produced array by removing the resources
that already exist?
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