Update more cookbooks

cookbooks/chef_nginx/attributes/repo.rb

@@ -19,17 +19,24 @@
 # limitations under the License.
 #
 
-case node['platform_family']
-when 'rhel', 'fedora'
-  default['nginx']['upstream_repository'] = case node['platform']
-                                            when 'centos'
-                                              # See http://wiki.nginx.org/Install
-                                              "http://nginx.org/packages/centos/#{node['platform_version'].to_i}/$basearch/"
-                                            when 'amazon'
-                                              'http://nginx.org/packages/rhel/6/$basearch/'
-                                            else
-                                              "http://nginx.org/packages/rhel/#{node['platform_version'].to_i}/$basearch/"
-                                            end
-when 'debian'
-  default['nginx']['upstream_repository'] = "http://nginx.org/packages/#{node['platform']}"
-end
+default['nginx']['upstream_repository'] =
+  case node['platform_family']
+  when 'amazon' # Chef 13+ on amazon linux
+    'http://nginx.org/packages/rhel/6/$basearch/'
+  when 'rhel', 'fedora'
+    case node['platform']
+    when 'centos'
+      # See http://wiki.nginx.org/Install
+      "http://nginx.org/packages/centos/#{node['platform_version'].to_i}/$basearch/"
+    when 'amazon' # Chef < 13 on Amazon
+      'http://nginx.org/packages/rhel/6/$basearch/'
+    else
+      "http://nginx.org/packages/rhel/#{node['platform_version'].to_i}/$basearch/"
+    end
+  when 'debian'
+    "http://nginx.org/packages/#{node['platform']}"
+  when 'suse'
+    'http://nginx.org/packages/sles/12'
+  end
+
+default['nginx']['repo_signing_key'] = 'http://nginx.org/keys/nginx_signing.key'