Puppet: add file for all users?

Question

If I want to add a file to a specific directory with Puppet I can use:

file { "/folder/file_name":
    ensure => present,
    source => [puppet///file_name],
}

Is there a way I can add a file to each user's home directory?

Something like:

file { "/home/$USER/filename":
    ensure => present,
    source => [puppet///filename],
}

Answer 1

As long as this is *nix, then you can add a custom fact to assemble the home directories on a system. I suggest naming it homedirs.rb when you create it inside of the module's lib/facter/ directory.

# collect home directories
Facter.add(:homedirs) do
  setcode do
    # grab home directories on system and convert into array
    `ls /home`.split("\n")
  end
end

If you want this for all non-Windows you can add a:

unless Facter.value(:kernel) == 'Windows'

around the code block, or keep it to just Linux with:

confine kernel: linux

above the setcode.

Then, you can use a lambda to iterate through this fact array and apply the file resource.

# iterate through homedirs in fact array
$facts['homedirs'].each |$homedir| {
  # copy file to home directory
  file { "/home/$homedir/filename":
    ensure => file,
    source => puppet:///filename,
  }
}

I also fixed up a few issues with your file resource there.

Some helpful doc links in case any of this is confusing:

https://docs.puppet.com/puppet/latest/type.html#file https://docs.puppet.com/facter/3.6/custom_facts.html#adding-custom-facts-to-facter https://docs.puppet.com/puppet/4.9/function.html#each