Added puppetlabs-firewall (required by puppetlabs-postgresql), updated the other modules.

modules/firewall/manifests/linux.pp

@@ -0,0 +1,51 @@
+# = Class: firewall::linux
+#
+# Installs the `iptables` package for Linux operating systems and includes
+# the appropriate sub-class for any distribution specific services and
+# additional packages.
+#
+# == Parameters:
+#
+# [*ensure*]
+#   Ensure parameter passed onto Service[] resources. When `running` the
+#   service will be started on boot, and when `stopped` it will not.
+#   Default: running
+#
+class firewall::linux (
+  $ensure = running
+) {
+  $enable = $ensure ? {
+    running => true,
+    stopped => false,
+  }
+
+  package { 'iptables':
+    ensure => present,
+  }
+
+  case $::operatingsystem {
+    'RedHat', 'CentOS', 'Fedora', 'Scientific', 'SL', 'SLC', 'Ascendos',
+    'CloudLinux', 'PSBM', 'OracleLinux', 'OVS', 'OEL', 'Amazon', 'XenServer': {
+      class { "${title}::redhat":
+        ensure  => $ensure,
+        enable  => $enable,
+        require => Package['iptables'],
+      }
+    }
+    'Debian', 'Ubuntu': {
+      class { "${title}::debian":
+        ensure  => $ensure,
+        enable  => $enable,
+        require => Package['iptables'],
+      }
+    }
+    'Archlinux': {
+      class { "${title}::archlinux":
+        ensure  => $ensure,
+        enable  => $enable,
+        require => Package['iptables'],
+      }
+    }
+    default: {}
+  }
+}