Split Sahara pacemaker roles into separate services

In order for each service to operate independently when used with Pacemaker,
the roles needed to be separated.

This also drops all pacemaker constraints, as they do not make much sense
in the composable realm.

Change-Id: Id61eb15b1e2366f5b73c6e7d47941651e40651b1
Partial-Bug: #1592284

3 files changed, 102 insertions, 33 deletions

diff --git a/manifests/profile/pacemaker/sahara.pp b/manifests/profile/pacemaker/sahara.pp
index 04b4edf..e6e5117 100644
--- a/manifests/profile/pacemaker/sahara.pp
+++ b/manifests/profile/pacemaker/sahara.pp
@@ -45,37 +45,5 @@ class tripleo::profile::pacemaker::sahara (
     $pacemaker_master = false
   }
 
-  include ::tripleo::profile::base::sahara-api
-  class { '::tripleo::profile::base::sahara-engine':
-    sync_db => $pacemaker_master,
-  }
-
-  if $step >= 5 and $pacemaker_master {
-    # Sahara
-    pacemaker::resource::service { $::sahara::params::api_service_name :
-      clone_params => 'interleave=true',
-      require      => Pacemaker::Resource::Ocf['openstack-core'],
-    }
-    pacemaker::resource::service { $::sahara::params::engine_service_name :
-      clone_params => 'interleave=true',
-    }
-    pacemaker::constraint::base { 'keystone-then-sahara-api-constraint':
-      constraint_type => 'order',
-      first_resource  => 'openstack-core-clone',
-      second_resource => "${::sahara::params::api_service_name}-clone",
-      first_action    => 'start',
-      second_action   => 'start',
-      require         => [Pacemaker::Resource::Service[$::sahara::params::api_service_name],
-                          Pacemaker::Resource::Ocf['openstack-core']],
-    }
-    pacemaker::constraint::base { 'sahara-api-then-sahara-engine-constraint':
-      constraint_type => 'order',
-      first_resource  => "${::sahara::params::api_service_name}-clone",
-      second_resource => "${::sahara::params::engine_service_name}-clone",
-      first_action    => 'start',
-      second_action   => 'start',
-      require         => [Pacemaker::Resource::Service[$::sahara::params::api_service_name],
-                          Pacemaker::Resource::Service[$::sahara::params::engine_service_name]],
-    }
-  }
+  include ::tripleo::profile::base::sahara
 }
diff --git a/manifests/profile/pacemaker/sahara/api.pp b/manifests/profile/pacemaker/sahara/api.pp
new file mode 100644
index 0000000..eed82dd
--- /dev/null
+++ b/manifests/profile/pacemaker/sahara/api.pp
@@ -0,0 +1,50 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# == Class: tripleo::profile::pacemaker::sahara::api
+#
+# Sahara API Pacemaker HA profile for tripleo
+#
+# === Parameters
+#
+# [*bootstrap_node*]
+#   (Optional) The hostname of the node responsible for bootstrapping tasks
+#   Defaults to hiera('bootstrap_nodeid')
+#
+# [*step*]
+#   (Optional) The current step in deployment. See tripleo-heat-templates
+#   for more details.
+#   Defaults to hiera('step')
+#
+class tripleo::profile::pacemaker::sahara::api (
+  $bootstrap_node       = hiera('bootstrap_nodeid'),
+  $step                 = hiera('step'),
+) {
+
+  if $::hostname == downcase($bootstrap_node) {
+    $pacemaker_master = true
+  } else {
+    $pacemaker_master = false
+  }
+
+  include ::tripleo::profile::pacemaker::sahara
+  include ::tripleo::profile::base::sahara::api
+
+  if $step >= 5 and $pacemaker_master {
+    # Sahara
+    pacemaker::resource::service { $::sahara::params::api_service_name :
+      clone_params => 'interleave=true',
+    }
+  }
+}
diff --git a/manifests/profile/pacemaker/sahara/engine.pp b/manifests/profile/pacemaker/sahara/engine.pp
new file mode 100644
index 0000000..6265e80
--- /dev/null
+++ b/manifests/profile/pacemaker/sahara/engine.pp
@@ -0,0 +1,51 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# == Class: tripleo::profile::pacemaker::sahara::engine
+#
+# Sahara Engine Pacemaker HA profile for tripleo
+#
+# === Parameters
+#
+# [*bootstrap_node*]
+#   (Optional) The hostname of the node responsible for bootstrapping tasks
+#   Defaults to hiera('bootstrap_nodeid')
+#
+# [*step*]
+#   (Optional) The current step in deployment. See tripleo-heat-templates
+#   for more details.
+#   Defaults to hiera('step')
+#
+class tripleo::profile::pacemaker::sahara::engine (
+  $bootstrap_node       = hiera('bootstrap_nodeid'),
+  $step                 = hiera('step'),
+) {
+
+  if $::hostname == downcase($bootstrap_node) {
+    $pacemaker_master = true
+  } else {
+    $pacemaker_master = false
+  }
+
+  include ::tripleo::profile::pacemaker::sahara
+  class { '::tripleo::profile::base::sahara::engine':
+    sync_db => $pacemaker_master
+  }
+
+  if $step >= 5 and $pacemaker_master {
+    pacemaker::resource::service { $::sahara::params::engine_service_name :
+      clone_params => 'interleave=true',
+    }
+  }
+}