Disable legacy ceilometer api

Now that ceilometer api is deprecated, lets disable it
by default. You can still enable by setting the
enable_legacy_ceilometer_api param to true.

Change-Id: I9e77ed7d285c69d89aea1f62a098a25619c57420

elements/puppet-stack-config/puppet-stack-config.pp

@@ -180,7 +180,9 @@ if str2bool(hiera('enable_telemetry', true)) {
   include ::ceilometer::keystone::auth
   include ::aodh::keystone::auth
   include ::ceilometer
-  include ::ceilometer::api
+  if str2bool(hiera('enable_legacy_ceilometer_api', false)) {
+    include ::ceilometer::api
+  }
   include ::ceilometer::wsgi::apache
   include ::ceilometer::db
   include ::ceilometer::agent::notification

elements/puppet-stack-config/puppet-stack-config.yaml.template

@@ -668,6 +668,7 @@ enable_mistral: {{ENABLE_MISTRAL}}
 enable_zaqar: {{ENABLE_ZAQAR}}
 enable_validations: {{ENABLE_VALIDATIONS}}
 enable_telemetry: {{ENABLE_TELEMETRY}}
+enable_legacy_ceilometer_api: {{ENABLE_LEGACY_CEILOMETER_API}}
 enable_ui: {{ENABLE_UI}}
 enable_cinder: {{ENABLE_CINDER}}
 

instack_undercloud/undercloud.py

@@ -294,6 +294,11 @@ _opts = [
                 default=False,
                 help=('Whether to install the Volume service to be boot '
                       'overcloud nodes from remote volumes.')),
+    cfg.BoolOpt('enable_legacy_ceilometer_api',
+                default=False,
+                help=('Whether to enable legacy ceilometer api '
+                      'in the Undercloud.')
+                ),
     cfg.BoolOpt('ipxe_enabled',
                 default=True,
                 help=('Whether to use iPXE for deploy and inspection.'),

undercloud.conf.sample

@@ -161,6 +161,10 @@
 # from remote volumes. (boolean value)
 #enable_cinder = false
 
+# Whether to enable legacy ceilometer api service in the
+# Undercloud. (boolean value)
+#enable_legacy_ceilometer_api = false
+
 # Whether to use iPXE for deploy and inspection. (boolean value)
 # Deprecated group/name - [DEFAULT]/ipxe_deploy
 #ipxe_enabled = true