Merge pull request #1201 from puppetlabs/MODULES-11449-ipv6-nat-chain-issue

(MODULES-11449) - Fix for IPv6 NAT chain

Author: Ramesh7

lib/puppet/provider/firewallchain/firewallchain.rb

@@ -172,7 +172,6 @@ def self.verify(_is, should)
       raise ArgumentError, 'PREROUTING, POSTROUTING, INPUT, FORWARD and OUTPUT are the only inbuilt chains that can be used in table \'mangle\'' if %r{^(BROUTING)$}.match?(should[:chain])
     when 'nat'
       raise ArgumentError, 'PREROUTING, POSTROUTING, INPUT, and OUTPUT are the only inbuilt chains that can be used in table \'nat\'' if %r{^(BROUTING|FORWARD)$}.match?(should[:chain])
-      raise ArgumentError, 'table nat isn\'t valid in IPv6. You must specify \':IPv4\' as the name suffix' if %r{^(IP(v6)?)?$}.match?(should[:protocol])
     when 'raw'
       raise ArgumentError, 'PREROUTING and OUTPUT are the only inbuilt chains in the table \'raw\'' if %r{^(POSTROUTING|BROUTING|INPUT|FORWARD)$}.match?(should[:chain])
     when 'broute'

spec/acceptance/firewallchain_spec.rb

@@ -82,6 +82,18 @@
         end
       end
     end
+
+    context 'with NAT chain' do
+      pp3 = <<-PUPPETCODE
+          firewallchain { 'MY_CHAIN:nat:IPv6':
+            ensure  => present,
+          }
+      PUPPETCODE
+      it 'applies cleanly' do
+        # Run it twice and test for idempotency
+        idempotent_apply(pp3)
+      end
+    end
   end
 
   # XXX purge => false is not yet implemented

spec/unit/puppet/provider/firewallchain/firewallchain_spec.rb

@@ -316,10 +316,6 @@
           should: { name: 'FORWARD:nat:IPv4', chain: 'FORWARD', table: 'nat', protocol: 'IPv4', ensure: 'present', policy: 'accept' },
           error: 'PREROUTING, POSTROUTING, INPUT, and OUTPUT are the only inbuilt chains that can be used in table \'nat\''
         },
-        {
-          should: { name: 'PREROUTING:nat:IPv6', chain: 'PREROUTING', table: 'nat', protocol: 'IPv6', ensure: 'present', policy: 'accept' },
-          error: 'table nat isn\'t valid in IPv6. You must specify \':IPv4\' as the name suffix'
-        },
         {
           should: { name: 'INPUT:raw:IPv4', chain: 'INPUT', table: 'raw', protocol: 'IPv4', ensure: 'present', policy: 'accept' },
           error: 'PREROUTING and OUTPUT are the only inbuilt chains in the table \'raw\''