Move AODH to mysql storage driver

https://review.openstack.org/#/c/373043/ has removed non-SQL drivers
so we need to move out of mongodb driver.

Change-Id: I6f1d7d7e6196c8e5c6f44518d60f84de19e1885d

docs/packstack.rst

@@ -1091,6 +1091,9 @@ Aodh Config parameters
 **CONFIG_AODH_KS_PW**
     Password to use for Telemetry Alarming to authenticate with the Identity service.
 
+**CONFIG_AODH_DB_PW**
+    Password to use for Telemetry Alarming (AODH) to access the database.
+
 
 Gnocchi Config parameters
 -------------------------

packstack/plugins/aodh_810.py

@@ -44,7 +44,20 @@ def initConfig(controller):
              "LOOSE_VALIDATION": False,
              "USE_DEFAULT": False,
              "NEED_CONFIRM": True,
-             "CONDITION": False}
+             "CONDITION": False},
+
+            {"CMD_OPTION": "aodh-db-passwd",
+             "PROMPT": "Enter the password for the aodh DB access",
+             "OPTION_LIST": [],
+             "VALIDATORS": [validators.validate_not_empty],
+             "DEFAULT_VALUE": "PW_PLACEHOLDER",
+             "PROCESSORS": [processors.process_password],
+             "MASK_INPUT": True,
+             "LOOSE_VALIDATION": False,
+             "CONF_NAME": "CONFIG_AODH_DB_PW",
+             "USE_DEFAULT": False,
+             "NEED_CONFIRM": True,
+             "CONDITION": False},
         ]
     }
 

packstack/puppet/modules/packstack/manifests/aodh/rabbitmq.pp

@@ -4,6 +4,9 @@ class packstack::aodh::rabbitmq ()
     $kombu_ssl_keyfile = hiera('CONFIG_AODH_SSL_KEY', undef)
     $kombu_ssl_certfile = hiera('CONFIG_AODH_SSL_CERT', undef)
 
+    $aodh_db_pw = hiera('CONFIG_AODH_DB_PW')
+    $aodh_mariadb_host = hiera('CONFIG_MARIADB_HOST_URL')
+
     if $kombu_ssl_keyfile {
       $files_to_set_owner = [ $kombu_ssl_keyfile, $kombu_ssl_certfile ]
       file { $files_to_set_owner:
@@ -26,6 +29,6 @@ class packstack::aodh::rabbitmq ()
       kombu_ssl_ca_certs => $kombu_ssl_ca_certs,
       kombu_ssl_keyfile  => $kombu_ssl_keyfile,
       kombu_ssl_certfile => $kombu_ssl_certfile,
-      database_connection => "mongodb://${config_mongodb_host}:27017/aodh",
+      database_connection => "mysql+pymysql://aodh:${aodh_db_pw}@${aodh_mariadb_host}/aodh",
     }
 }

packstack/puppet/modules/packstack/manifests/mariadb/services.pp

@@ -34,6 +34,15 @@ class packstack::mariadb::services ()
         }
     }
 
+    if hiera('CONFIG_AODH_INSTALL') == 'y' and
+       hiera('CONFIG_CEILOMETER_INSTALL') == 'y' {
+        class { '::aodh::db::mysql':
+          password      => hiera('CONFIG_AODH_DB_PW'),
+          host          => '%',
+          allowed_hosts => '%',
+        }
+    }
+
     if hiera('CONFIG_HEAT_INSTALL') == 'y' {
         class { '::heat::db::mysql':
           password      => hiera('CONFIG_HEAT_DB_PW'),

packstack/puppet/modules/packstack/manifests/mariadb/services_remote.pp

@@ -121,6 +121,37 @@ class packstack::mariadb::services_remote () {
         }
     }
 
+    if hiera('CONFIG_AODH_INSTALL') == 'y' {
+        remote_database { 'aodh':
+          ensure      => 'present',
+          charset     => 'utf8',
+          db_host     => hiera('CONFIG_MARIADB_HOST'),
+          db_user     => hiera('CONFIG_MARIADB_USER'),
+          db_password => hiera('CONFIG_MARIADB_PW'),
+          provider    => 'mysql',
+        }
+
+        $aodh_cfg_db_pw = hiera('CONFIG_AODH_DB_PW')
+
+        remote_database_user { 'aodh@%':
+          password_hash => mysql_password($aodh_cfg_db_pw),
+          db_host       => hiera('CONFIG_MARIADB_HOST'),
+          db_user       => hiera('CONFIG_MARIADB_USER'),
+          db_password   => hiera('CONFIG_MARIADB_PW'),
+          provider      => 'mysql',
+          require       => Remote_database['aodh'],
+        }
+
+        remote_database_grant { 'aodh@%/aodh':
+          privileges  => 'all',
+          db_host     => hiera('CONFIG_MARIADB_HOST'),
+          db_user     => hiera('CONFIG_MARIADB_USER'),
+          db_password => hiera('CONFIG_MARIADB_PW'),
+          provider    => 'mysql',
+          require     => Remote_database_user['aodh@%'],
+        }
+    }
+
     if hiera('CONFIG_HEAT_INSTALL') == 'y' {
         remote_database { 'heat':
           ensure      => 'present',

releasenotes/notes/aodh-move-to-mariadb-9e36b7cfdbbd2aa5.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - Aodh project has removed support for non-SQL drivers
+    in https://review.openstack.org/#/c/373043/.
+    Packstack has switched aodh storage backend from
+    MongoDB to mysqld. A new parameter CONFIG_AODH_DB_PW
+    has been added to configure the password of the
+    aodh user in the database.