postfix_mailsink.pp

# Taken from http://reductivelabs.com/trac/puppet/wiki/Recipes/SimpleText
define ensure_key_value($file, $key, $value, $delimiter = " ") {
  # append line if "$key" not in "$file"
  exec { "echo '$key$delimiter$value' >> $file":
    unless => "grep -qe '^$key[[:space:]]*$delimiter' -- $file",
    path => "/bin:/usr/bin"
  }

  # update it if it already exists...
  exec { "sed -i '' 's/^$key[[:space:]]*$delimiter.*$/$key$delimiter$value/g' $file":
    unless => "grep -xqe '$key[[:space:]]*$delimiter[[:space:]]*$value' --$file",
    path => "/bin:/usr/bin"
  }
}

class postfix::mail_sink {

  Exec {
    cwd     => "/etc/postfix",
    path    => "/bin:/sbin:/usr/bin:/usr/sbin",
  }

  service { "org.postfix.master":
    ensure    => running,
    enable    => true,
    subscribe => Exec[aliasdb];
  }

  file { "/etc/postfix/aliases.inc":
    content => inline_template("mailsink: /web/mailsink/mail\n<%= ENV['SUDO_USER'] -%>: mailsink\n"),
    replace => true,
    backup  => true;
  }

  ensure_key_value { main_postfix_config:
    file      => "/etc/postfix/main.cf",
    key       => "inet_interfaces",
    value     => "localhost",
    delimiter => " = ";
  }

  exec { generate_transport_map:
    command => "postmap transport",
    require => Ensure_key_value[main_postfix_config];
  }

  file { "/etc/postfix/aliases":
    source  => "/etc/postfix/aliases.inc",
    backup  => true,
    replace => true,
    owner   => root,
    group   => wheel,
    require => File["/etc/postfix/aliases.inc"];
  }

  exec { add_etc_passwd_alias:
    command => "cat /etc/passwd | cut -d: -f1 | awk ' { print \$1 \": filestore\" } ' >> /etc/postfix/aliases",
    require => File["/etc/postfix/aliases"];
  }

  exec { postalias:
    command => "postalias aliases",
    require => Exec[add_etc_passwd_alias];
  }

  exec { aliasdb:
    command => "/bin/cp -p /etc/postfix/aliases.db /etc/aliases.db",
    require => Exec[postalias]
  }
}

include postfix::mail_sink