Include local CA in haproxy PEM

In order for the browser to trust the certificate served by HAProxy
we need to include the CA cert in the PEM file that the endpoints
serve.

Change-Id: Ibce76c1aa04bd3cb09a804c6e9789c55d8f2b417
Closes-Bug: #1639807

manifests/certmonger/haproxy.pp

@@ -36,6 +36,10 @@
 #   The post-save-command that certmonger will use once it renews the
 #   certificate.
 #
+# [*certmonger_ca*]
+#   (Optional) The CA that certmonger will use to generate the certificates.
+#   Defaults to hiera('certmonger_ca', 'local').
+#
 # [*principal*]
 #   The haproxy service principal that is set for HAProxy in kerberos.
 #
@@ -45,7 +49,8 @@ define tripleo::certmonger::haproxy (
   $service_key,
   $hostname,
   $postsave_cmd,
-  $principal = undef,
+  $certmonger_ca = hiera('certmonger_ca', 'local'),
+  $principal     = undef,
 ){
     include ::haproxy::params
     certmonger_certificate { "${title}-cert":
@@ -69,10 +74,21 @@ define tripleo::certmonger::haproxy (
       order   => '01',
       require => Certmonger_certificate["${title}-cert"],
     }
+
+    if $certmonger_ca == 'local' {
+      $ca_pem = getparam(Class['tripleo::certmonger::ca::local'], 'ca_pem')
+      concat::fragment { "${title}-ca-fragment":
+        target  => $service_pem,
+        source  => $ca_pem,
+        order   => '10',
+        require => Class['tripleo::certmonger::ca::local'],
+      }
+    }
+
     concat::fragment { "${title}-key-fragment":
       target  => $service_pem,
       source  => $service_key,
-      order   => 10,
+      order   => 20,
       require => Certmonger_certificate["${title}-cert"],
     }
 }