Deploy Aodh services, replacing Ceilometer Alarm

Ceilometer Alarm is deprecated in Liberty by Aodh.

This patch:
* manage Aodh Keystone resources
* deploy Aodh API under WSGI, Notifier, Listener and Evaluator
* manage new parameters to customize Aodh deployment
* uses ceilometer DB for the upgrade path
* pacemaker config

Depends-On: I9e34485285829884d9c954b804e3bdd5d6e31635
Depends-On: I891985da9248a88c6ce2df1dd186881f582605ee
Depends-On: Ied8ba5985f43a5c5b3be5b35a091aef6ed86572f

Co-Authored-By: Pradeep Kilambi <pkilambi@redhat.com>

Change-Id: I58d419173e80d2462accf7324c987c71420fd5f6

2 files changed, 109 insertions, 1 deletions

diff --git a/puppet/manifests/overcloud_controller.pp b/puppet/manifests/overcloud_controller.pp
index 81a33bbc..10a64e45 100644
--- a/puppet/manifests/overcloud_controller.pp
+++ b/puppet/manifests/overcloud_controller.pp
@@ -113,6 +113,7 @@ if hiera('step') >= 2 {
   include ::sahara::db::mysql
   if downcase(hiera('ceilometer_backend')) == 'mysql' {
     include ::ceilometer::db::mysql
+    include ::aodh::db::mysql
   }
 
   $rabbit_nodes = hiera('rabbit_node_ips')
@@ -571,6 +572,21 @@ if hiera('step') >= 3 {
 
   Cron <| title == 'ceilometer-expirer' |> { command => "sleep $((\$(od -A n -t d -N 3 /dev/urandom) % 86400)) && ${::ceilometer::params::expirer_command}" }
 
+  # Aodh
+  class { '::aodh' :
+    database_connection => $ceilometer_database_connection,
+  }
+  include ::aodh::db::sync
+  # To manage the upgrade:
+  Exec['ceilometer-dbsync'] -> Exec['aodh-db-sync']
+  include ::aodh::auth
+  include ::aodh::api
+  include ::aodh::wsgi::apache
+  include ::aodh::evaluator
+  include ::aodh::notifier
+  include ::aodh::listener
+  include ::aodh::client
+
   # Heat
   class { '::heat' :
     notification_driver => 'messaging',
diff --git a/puppet/manifests/overcloud_controller_pacemaker.pp b/puppet/manifests/overcloud_controller_pacemaker.pp
index 6accdc1f..edeaa61a 100644
--- a/puppet/manifests/overcloud_controller_pacemaker.pp
+++ b/puppet/manifests/overcloud_controller_pacemaker.pp
@@ -1040,6 +1040,32 @@ if hiera('step') >= 3 {
     neutron_options => $neutron_options,
   }
 
+  # Aodh
+  class { '::aodh' :
+    database_connection => $ceilometer_database_connection,
+  }
+  include ::aodh::config
+  include ::aodh::auth
+  include ::aodh::client
+  include ::aodh::wsgi::apache
+  class { '::aodh::api':
+    manage_service => false,
+    enabled        => false,
+    service_name   => 'httpd',
+  }
+  class { '::aodh::evaluator':
+    manage_service => false,
+    enabled        => false,
+  }
+  class { '::aodh::notifier':
+    manage_service => false,
+    enabled        => false,
+  }
+  class { '::aodh::listener':
+    manage_service => false,
+    enabled        => false,
+  }
+
   $snmpd_user = hiera('snmpd_readonly_user_name')
   snmp::snmpv3_user { $snmpd_user:
     authtype => 'MD5',
@@ -1520,7 +1546,7 @@ if hiera('step') >= 4 {
                   Pacemaker::Resource::Service[$::nova::params::conductor_service_name]],
     }
 
-    # Ceilometer
+    # Ceilometer and Aodh
     case downcase(hiera('ceilometer_backend')) {
       /mysql/: {
         pacemaker::resource::service { $::ceilometer::params::agent_central_service_name :
@@ -1553,8 +1579,10 @@ if hiera('step') >= 4 {
     # Fedora doesn't know `require-all` parameter for constraints yet
     if $::operatingsystem == 'Fedora' {
       $redis_ceilometer_constraint_params = undef
+      $redis_aodh_constraint_params = undef
     } else {
       $redis_ceilometer_constraint_params = 'require-all=false'
+      $redis_aodh_constraint_params = 'require-all=false'
     }
     pacemaker::constraint::base { 'redis-then-ceilometer-central-constraint':
       constraint_type   => 'order',
@@ -1566,6 +1594,16 @@ if hiera('step') >= 4 {
       require           => [Pacemaker::Resource::Ocf['redis'],
                             Pacemaker::Resource::Service[$::ceilometer::params::agent_central_service_name]],
     }
+    pacemaker::constraint::base { 'redis-then-aodh-evaluator-constraint':
+      constraint_type   => 'order',
+      first_resource    => 'redis-master',
+      second_resource   => "${::aodh::params::evaluator_service_name}-clone",
+      first_action      => 'promote',
+      second_action     => 'start',
+      constraint_params => $redis_aodh_constraint_params,
+      require           => [Pacemaker::Resource::Ocf['redis'],
+                            Pacemaker::Resource::Service[$::aodh::params::evaluator_service_name]],
+    }
     pacemaker::constraint::base { 'keystone-then-ceilometer-central-constraint':
       constraint_type => 'order',
       first_resource  => "${::apache::params::service_name}-clone",
@@ -1616,6 +1654,60 @@ if hiera('step') >= 4 {
       require => [Pacemaker::Resource::Service[$::ceilometer::params::api_service_name],
                   Pacemaker::Resource::Ocf['delay']],
     }
+    # Aodh
+    pacemaker::resource::service { $::aodh::params::api_service_name :
+      clone_params => 'interleave=true',
+    }
+    pacemaker::resource::service { $::aodh::params::evaluator_service_name :
+      clone_params => 'interleave=true',
+    }
+    pacemaker::resource::service { $::aodh::params::notifier_service_name :
+      clone_params => 'interleave=true',
+    }
+    pacemaker::resource::service { $::aodh::params::listener_service_name :
+      clone_params => 'interleave=true',
+    }
+    pacemaker::constraint::base { 'keystone-then-aodh-api-constraint':
+      constraint_type => 'order',
+      first_resource  => "${::apache::params::service_name}-clone",
+      second_resource => "${::aodh::params::api_service_name}-clone",
+      first_action    => 'start',
+      second_action   => 'start',
+      require         => [Pacemaker::Resource::Service[$::aodh::params::api_service_name],
+                          Pacemaker::Resource::Service[$::apache::params::service_name]],
+    }
+    pacemaker::constraint::base { 'aodh-delay-then-aodh-evaluator-constraint':
+      constraint_type => 'order',
+      first_resource  => 'delay-clone',
+      second_resource => "${::aodh::params::evaluator_service_name}-clone",
+      first_action    => 'start',
+      second_action   => 'start',
+      require         => [Pacemaker::Resource::Service[$::aodh::params::evaluator_service_name],
+                          Pacemaker::Resource::Ocf['delay']],
+    }
+    pacemaker::constraint::colocation { 'aodh-evaluator-with-aodh-delay-colocation':
+      source  => "${::aodh::params::evaluator_service_name}-clone",
+      target  => 'delay-clone',
+      score   => 'INFINITY',
+      require => [Pacemaker::Resource::Service[$::horizon::params::http_service],
+                  Pacemaker::Resource::Ocf['delay']],
+    }
+    pacemaker::constraint::base { 'aodh-evaluator-then-aodh-notifier-constraint':
+      constraint_type => 'order',
+      first_resource  => "${::aodh::params::evaluator_service_name}-clone",
+      second_resource => "${::aodh::params::notifier_service_name}-clone",
+      first_action    => 'start',
+      second_action   => 'start',
+      require         => [Pacemaker::Resource::Service[$::aodh::params::evaluator_service_name],
+                          Pacemaker::Resource::Service[$::aodh::params::notifier_service_name]],
+    }
+    pacemaker::constraint::colocation { 'aodh-notifier-with-aodh-evaluator-colocation':
+      source  => "${::aodh::params::notifier_service_name}-clone",
+      target  => "${::aodh::params::evaluator_service_name}-clone",
+      score   => 'INFINITY',
+      require => [Pacemaker::Resource::Service[$::aodh::params::evaluator_service_name],
+                  Pacemaker::Resource::Service[$::aodh::params::notifier_service_name]],
+    }
     if downcase(hiera('ceilometer_backend')) == 'mongodb' {
       pacemaker::constraint::base { 'mongodb-then-ceilometer-central-constraint':
         constraint_type => 'order',