[Puppet Users] [ANN] puppet-cleaner: makes puppet DSL code comply with a subset of the style guide

[Gerardo Santana Gómez Garrido]

FWIW,

I've wrote puppet-cleaner to help me make comply thousands of lines of 
puppet 2.6 DSL code to puppet 2.7 style guide and expectations. I'm 
uploading it to github today for anyone to use.

https://github.com/santana/puppet-cleaner

Externally, you run puppet-clean file.pp and it can transform this:

/*
  multiline comment
  trailing white space here ->      
*/

class someclass($version = "5", $platform = "rhel6")
{
if ! ($version in ["4", "5"] or !($platform in ["rhel5", "rhel6"]))  {
     fail("Version $version on $platform is not supported")
}
       else {
    notice("Defining class for version \"$version\" on '$platform'")
  package {
    [
          "package-1",
"package-2",
  ]:
  }

     sysctl2::conf {"${something}":
  settings => [
     "set key1 'value1'",
     "set key2 'value2'",
 ]
  }
   file {
        "/file/a": # test
    source  =>    'puppet:///someclass/file/a',
       owner                  =>   'root',
     ensure               =>   ensure_a,
 group=>         "${group}";
        "/file/b":
    source  =>    'puppet:///someclass/file/b',
 mode=>755,
     ensure               =>   ensure_b,
       owner                  =>   'root',
 group=>         "${group}";
  }

   file {
        "/file/c":
    source  =>    'puppet:///someclass/file/c',
       owner                  =>   'root',
     ensure               =>   ensure_c,
 group=>         "${group}";
        "/file/d":
    source  =>    'puppet:///someclass/file/d',
 mode=>"755",
       owner                  =>   'root',
 group=>         "${group}"
  }
   file {
        "/file/e":
    source  =>    'puppet:///someclass/file/c',
       owner                  =>   'root',
      alias  => ["$hostname"],
 group=>         "${group}",
     ensure               =>   'absent';
        "/file/f":
     ensure               =>   'ensure_f';
  }

  user {
    "jdoe":
   managed_home => "true",
  }
}
}

into this:

#
#   multiline comment
#   trailing white space here ->


class someclass($version = '5', $platform = 'rhel6')
{
  if ! ($version in ['4', '5'] or !($platform in ['rhel5', 'rhel6']))  {
    fail("Version ${version} on ${platform} is not supported")
  }
  else {
    notice("Defining class for version \"${version}\" on '${platform}'")
    package {
      [
        'package-1',
        'package-2',
      ]:
    }

    sysctl2::conf {$something:
      settings => [
        'set key1 \'value1\'',
        'set key2 \'value2\'',
      ]
    }
    file {
      '/file/a':
        ensure => link, # test
        source => 'puppet:///someclass/file/a',
        owner  => 'root',
        target => ensure_a,
        group  => $group;
      '/file/b':
        ensure => link,
        source => 'puppet:///someclass/file/b',
        mode   => '0755',
        target => ensure_b,
        owner  => 'root',
        group  => $group;
    }

    file {
      '/file/c':
        ensure => link,
        source => 'puppet:///someclass/file/c',
        owner  => 'root',
        target => ensure_c,
        group  => $group;
      '/file/d':
        source => 'puppet:///someclass/file/d',
        mode   => '0755',
        owner  => 'root',
        group  => $group
    }
    file {
      '/file/e':
        ensure => 'absent',
        source => 'puppet:///someclass/file/c',
        owner  => 'root',
        alias  => [$hostname],
        group  => $group;
      '/file/f':
        ensure => link,
        target => 'ensure_f';
    }

    user {
      'jdoe':
        managed_home => true,
    }
  }
}

Internally, it monkey patches puppet 2.7.11 to take advantage of puppet's 
tokenizer and iterates over them like in a production line, where each 
transformation algorithm (worker) awaits for the pattern of tokens it knows 
how to transform.

I haven't had the time to refactor some stuff; feel free to ignore it, 
improve it, send me patches, etc.


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