Add audit middleware to Swift proxy pipeline

Depends-On: Ifa4e2ed894844ab1c7501f8edc18e55a9dea7e61
Change-Id: I11e53615b90e052ebc39f70a7699414a8b82cc28
(cherry picked from commit a4803b26a0)

manifests/profile/base/swift/proxy.pp

@@ -99,6 +99,10 @@
 #   enable_internal_tls is set.
 #   defaults to 8080
 #
+# [*audit_enabled*]
+#   Whether the pycadf audit middleware is is enabled.
+#   Defaults to false
+#
 class tripleo::profile::base::swift::proxy (
   $bootstrap_node       = hiera('swift_proxy_short_bootstrap_node_name', undef),
   $ceilometer_enabled   = true,
@@ -117,6 +121,7 @@ class tripleo::profile::base::swift::proxy (
   $tls_proxy_bind_ip    = undef,
   $tls_proxy_fqdn       = undef,
   $tls_proxy_port       = 8080,
+  $audit_enabled        = false,
 ) {
   if $bootstrap_node and $::hostname == downcase($bootstrap_node) {
     $is_bootstrap = true
@@ -187,5 +192,8 @@ class tripleo::profile::base::swift::proxy (
     include swift::proxy::kms_keymaster
     include swift::proxy::encryption
     include swift::keymaster
+    if $audit_enabled {
+      include swift::audit
+    }
   }
 }

releasenotes/notes/swift-proxy-add-audit-middleware-290db6db952d690f.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds a new option "audit_enabled" to add the pycadf audit middleware to
+    the Swift proxy server pipeline.