Update more cookbooks

cookbooks/firewall/CHANGELOG.md

@@ -2,6 +2,12 @@ firewall Cookbook CHANGELOG
 =======================
 This file is used to list changes made in each version of the firewall cookbook.
 
+v2.6.2 (2017-06-01)
+-------------------
+* Incorrect file checking on Ubuntu, double file write (#173)
+* Added testing on CentOS 6.9
+* Clarify metadata that we're not working on Amazon Linux (#172)
+
 v2.6.1 (2017-04-21)
 -------------------
 * Add recipe to disable firewall (#164)

cookbooks/firewall/libraries/provider_firewall_iptables_ubuntu.rb

@@ -43,7 +43,7 @@ class Chef
       rule_files = %w(rules.v4)
       rule_files << 'rules.v6' if ipv6_enabled?(new_resource)
       rule_files.each do |svc|
-        next unless ::File.exist?("/etc/iptables/#{svc}")
+        next if ::File.exist?("/etc/iptables/#{svc}")
 
         # must create empty file for service to start
         f = lookup_or_create_rulesfile(svc)

cookbooks/firewall/libraries/provider_firewall_iptables_ubuntu1404.rb

@@ -43,7 +43,7 @@ class Chef
       rule_files = %w(rules.v4)
       rule_files << 'rules.v6' if ipv6_enabled?(new_resource)
       rule_files.each do |svc|
-        next unless ::File.exist?("/etc/iptables/#{svc}")
+        next if ::File.exist?("/etc/iptables/#{svc}")
 
         # must create empty file for service to start
         f = lookup_or_create_rulesfile(svc)