Fix support for Amazon Linux

Signed-off-by: AkiraFukushima <akira.fukushima@crowdworks.co.jp>

attributes/default.rb

@@ -99,6 +99,8 @@ when 'smartos'
   default['postfix']['cafile'] = '/opt/local/etc/postfix/cacert.pem'
 when 'rhel'
   default['postfix']['cafile'] = '/etc/pki/tls/cert.pem'
+when 'amazon'
+  default['postfix']['cafile'] = '/etc/pki/tls/cert.pem'
 else
   default['postfix']['cafile'] = "#{node['postfix']['conf_dir']}/cacert.pem"
 end

recipes/_common.rb

@@ -24,7 +24,7 @@ package 'postfix'
 package 'procmail' if node['postfix']['use_procmail']
 
 case node['platform_family']
-when 'rhel', 'fedora'
+when 'rhel', 'fedora', 'amazon'
   service 'sendmail' do
     action :nothing
   end

recipes/sasl_auth.rb

@@ -33,6 +33,8 @@ when 'rhel'
               else
                 %w(cyrus-sasl cyrus-sasl-plain ca-certificates)
               end
+when 'amazon'
+  sasl_pkgs = %w(cyrus-sasl cyrus-sasl-plain ca-certificates)
 when 'fedora'
   sasl_pkgs = %w(cyrus-sasl cyrus-sasl-plain ca-certificates)
 end