proxy: Support options to enable SSL

Swift has built-in feature to enable SSL for proxy-server. Add support
for the options to use this feature so that we can test deployment with
SSL enabled for swift.

Change-Id: I9dc2b1fb752b2e4bf27ce252b724ae9220053cd2

manifests/proxy.pp

@@ -10,6 +10,14 @@
 #    (optional) The port to which the proxy server will bind.
 #    Defaults to 8080.
 #
+#  [*cert_file*]
+#    (optional) Certificate file to use for HTTPS
+#    Defaults to $facts['os_service_default'].
+#
+#  [*key_file*]
+#    (optional) Key file to use for HTTPS
+#    Defaults to $facts['os_service_default'].
+#
 #  [*pipeline*]
 #    (optional) The list of elements of the swift proxy pipeline.
 #    Currently supports healthcheck, cache, proxy-server, and
@@ -188,6 +196,8 @@
 class swift::proxy(
   $proxy_local_net_ip,
   $port                                          = '8080',
+  $cert_file                                     = $facts['os_service_default'],
+  $key_file                                      = $facts['os_service_default'],
   Swift::Pipeline $pipeline                      = [
     'catch_errors', 'gatekeeper', 'healthcheck', 'proxy-logging', 'cache',
     'listing_formats', 'tempauth', 'copy', 'proxy-logging', 'proxy-server'],
@@ -271,6 +281,8 @@ class swift::proxy(
   swift_proxy_config {
     'DEFAULT/bind_port':                           value => $port;
     'DEFAULT/bind_ip':                             value => $proxy_local_net_ip;
+    'DEFAULT/cert_file':                           value => $cert_file;
+    'DEFAULT/key_file':                            value => $key_file;
     'DEFAULT/workers':                             value => $workers;
     'DEFAULT/user':                                value => $::swift::params::user;
     'DEFAULT/log_name':                            value => $log_name;

releasenotes/notes/proxy-ssl-f9ca617598b2a1a3.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The ``cert_file`` parameter and the ``key_file`` parameter have been added
+    to the ``swift::proxy`` class.

spec/classes/swift_proxy_spec.rb

@@ -57,6 +57,8 @@ describe 'swift::proxy' do
         it { should contain_service('swift-proxy-server').that_notifies('Anchor[swift::service::end]') }
         it { should contain_swift_proxy_config('DEFAULT/bind_port').with_value('8080') }
         it { should contain_swift_proxy_config('DEFAULT/bind_ip').with_value('127.0.0.1') }
+        it { should contain_swift_proxy_config('DEFAULT/cert_file').with_value('<SERVICE DEFAULT>') }
+        it { should contain_swift_proxy_config('DEFAULT/key_file').with_value('<SERVICE DEFAULT>') }
         it { should contain_swift_proxy_config('DEFAULT/workers').with_value('2') }
         it { should contain_swift_proxy_config('DEFAULT/user').with_value('swift') }
         it { should contain_swift_proxy_config('DEFAULT/log_name').with_value('proxy-server') }
@@ -136,6 +138,8 @@ describe 'swift::proxy' do
             {
               :proxy_local_net_ip                  => '10.0.0.2',
               :port                                => '80',
+              :cert_file                           => '/path/to/cert',
+              :key_file                            => '/path/to/key',
               :workers                             => 3,
               :pipeline                            => ['swauth', 'proxy-server'],
               :allow_account_management            => false,
@@ -166,6 +170,8 @@ describe 'swift::proxy' do
 
           it { should contain_swift_proxy_config('DEFAULT/bind_port').with_value('80') }
           it { should contain_swift_proxy_config('DEFAULT/bind_ip').with_value('10.0.0.2') }
+          it { should contain_swift_proxy_config('DEFAULT/cert_file').with_value('/path/to/cert') }
+          it { should contain_swift_proxy_config('DEFAULT/key_file').with_value('/path/to/key') }
           it { should contain_swift_proxy_config('DEFAULT/workers').with_value('3') }
           it { should contain_swift_proxy_config('DEFAULT/user').with_value('swift') }
           it { should contain_swift_proxy_config('DEFAULT/log_name').with_value('swift-proxy-server') }