diff --git a/manifests/aodh.pp b/manifests/aodh.pp
index 3749b5c16..c8e1020a9 100644
--- a/manifests/aodh.pp
+++ b/manifests/aodh.pp
@@ -28,7 +28,14 @@ class openstack_integration::aodh (
     debug => true,
   }
   class { 'aodh::db':
-    database_connection => 'mysql+pymysql://aodh:aodh@127.0.0.1/aodh?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'aodh',
+      'password' => 'aodh',
+      'database' => 'aodh',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'aodh':
     default_transport_url      => os_transport_url({
@@ -54,6 +61,7 @@ class openstack_integration::aodh (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'aodh',
+    host     => $::openstack_integration::config::host,
   }
   class { 'aodh::keystone::auth':
     public_url   => "${::openstack_integration::config::base_url}:8042",
diff --git a/manifests/barbican.pp b/manifests/barbican.pp
index aab313921..7b30aff83 100644
--- a/manifests/barbican.pp
+++ b/manifests/barbican.pp
@@ -21,9 +21,17 @@ class openstack_integration::barbican {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'barbican',
+    host     => $::openstack_integration::config::host,
   }
   class { 'barbican::db':
-    database_connection => 'mysql+pymysql://barbican:barbican@127.0.0.1/barbican?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'barbican',
+      'password' => 'barbican',
+      'database' => 'barbican',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'barbican::keystone::auth':
     public_url   => "${::openstack_integration::config::base_url}:9311",
diff --git a/manifests/cinder.pp b/manifests/cinder.pp
index b8690e2b6..4f7407f4f 100644
--- a/manifests/cinder.pp
+++ b/manifests/cinder.pp
@@ -45,6 +45,7 @@ class openstack_integration::cinder (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'cinder',
+    host     => $::openstack_integration::config::host,
   }
   class { 'cinder::keystone::auth':
     public_url_v3   => "${::openstack_integration::config::base_url}:8776/v3",
@@ -65,7 +66,14 @@ class openstack_integration::cinder (
     }
   }
   class { 'cinder::db':
-    database_connection => 'mysql+pymysql://cinder:cinder@127.0.0.1/cinder?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'cinder',
+      'password' => 'cinder',
+      'database' => 'cinder',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'cinder':
     default_transport_url      => os_transport_url({
diff --git a/manifests/designate.pp b/manifests/designate.pp
index 70aff16ea..cd4643e47 100644
--- a/manifests/designate.pp
+++ b/manifests/designate.pp
@@ -24,6 +24,7 @@ class openstack_integration::designate {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'designate',
+    host     => $::openstack_integration::config::host,
   }
   class { 'designate::logging':
     debug => true,
@@ -39,7 +40,14 @@ class openstack_integration::designate {
     rabbit_use_ssl        => $::openstack_integration::config::ssl,
   }
   class { 'designate::db':
-    database_connection => 'mysql+pymysql://designate:designate@127.0.0.1/designate?charset=utf8'
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'designate',
+      'password' => 'designate',
+      'database' => 'designate',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'designate::coordination':
     backend_url => $::openstack_integration::config::tooz_url,
diff --git a/manifests/ec2api.pp b/manifests/ec2api.pp
index 3d2a143d1..f82f540b8 100644
--- a/manifests/ec2api.pp
+++ b/manifests/ec2api.pp
@@ -15,11 +15,19 @@ class openstack_integration::ec2api {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'ec2api',
+    host     => $::openstack_integration::config::host,
   }
   case $::osfamily {
     'RedHat': {
       class { 'ec2api::db':
-        database_connection => 'mysql+pymysql://ec2api:ec2api@127.0.0.1/ec2api?charset=utf8',
+        database_connection => os_database_connection({
+          'dialect'  => 'mysql+pymysql',
+          'host'     => $::openstack_integration::config::ip_for_url,
+          'username' => 'ec2api',
+          'password' => 'ec2api',
+          'database' => 'ec2api',
+          'charset'  => 'utf8',
+        }),
       }
       class { 'ec2api::db::sync': }
       class { 'ec2api::logging':
diff --git a/manifests/glance.pp b/manifests/glance.pp
index 3e3936c76..2310c7179 100644
--- a/manifests/glance.pp
+++ b/manifests/glance.pp
@@ -38,6 +38,7 @@ class openstack_integration::glance (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'glance',
+    host     => $::openstack_integration::config::host,
   }
   include glance
   include glance::client
@@ -99,7 +100,14 @@ class openstack_integration::glance (
     debug => true,
   }
   class { 'glance::api::db':
-    database_connection => 'mysql+pymysql://glance:glance@127.0.0.1/glance?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'glance',
+      'password' => 'glance',
+      'database' => 'glance',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'glance::api':
     workers          => 2,
diff --git a/manifests/gnocchi.pp b/manifests/gnocchi.pp
index 9d5427f8e..e93380382 100644
--- a/manifests/gnocchi.pp
+++ b/manifests/gnocchi.pp
@@ -35,7 +35,14 @@ class openstack_integration::gnocchi (
     debug => true,
   }
   class { 'gnocchi::db':
-    database_connection => 'mysql+pymysql://gnocchi:gnocchi@127.0.0.1/gnocchi?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'gnocchi',
+      'password' => 'gnocchi',
+      'database' => 'gnocchi',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'gnocchi':
     coordination_url => $::openstack_integration::config::tooz_url,
@@ -44,6 +51,7 @@ class openstack_integration::gnocchi (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'gnocchi',
+    host     => $::openstack_integration::config::host,
   }
 
   # TODO(tkajinam): We need to find a way to enforce swift is up before
diff --git a/manifests/heat.pp b/manifests/heat.pp
index 2e147c60d..08d07e6d3 100644
--- a/manifests/heat.pp
+++ b/manifests/heat.pp
@@ -46,7 +46,14 @@ class openstack_integration::heat (
     debug => true,
   }
   class { 'heat::db':
-    database_connection => 'mysql+pymysql://heat:heat@127.0.0.1/heat?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'heat',
+      'password' => 'heat',
+      'database' => 'heat',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'heat':
     default_transport_url      => os_transport_url({
@@ -72,6 +79,7 @@ class openstack_integration::heat (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'heat',
+    host     => $::openstack_integration::config::host,
   }
   class { 'heat::keystone::auth':
     password                  => 'a_big_secret',
diff --git a/manifests/ironic.pp b/manifests/ironic.pp
index 316c17aa4..3c97f4f37 100644
--- a/manifests/ironic.pp
+++ b/manifests/ironic.pp
@@ -19,7 +19,14 @@ class openstack_integration::ironic {
     debug => true,
   }
   class { 'ironic::db':
-    database_connection => 'mysql+pymysql://ironic:ironic@127.0.0.1/ironic?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'ironic',
+      'password' => 'ironic',
+      'database' => 'ironic',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'ironic':
     default_transport_url => os_transport_url({
@@ -36,6 +43,7 @@ class openstack_integration::ironic {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'ironic',
+    host     => $::openstack_integration::config::host,
   }
   class { 'ironic::keystone::auth':
     public_url   => "${::openstack_integration::config::base_url}:6385",
@@ -82,7 +90,8 @@ class openstack_integration::ironic {
   class { 'ironic::inspector::db::mysql':
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
-    password => 'a_big_secret',
+    password => 'ironic-inspector',
+    host     => $::openstack_integration::config::host,
   }
   class { 'ironic::inspector::authtoken':
     password             => 'a_big_secret',
@@ -94,7 +103,14 @@ class openstack_integration::ironic {
   }
   class { 'ironic::pxe': }
   class { 'ironic::inspector::db':
-    database_connection => 'mysql+pymysql://ironic-inspector:a_big_secret@127.0.0.1/ironic-inspector?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'ironic-inspector',
+      'password' => 'ironic-inspector',
+      'database' => 'ironic-inspector',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'ironic::inspector::ironic':
     password => 'a_big_secret',
diff --git a/manifests/keystone.pp b/manifests/keystone.pp
index 3d685c913..ef29d99cb 100644
--- a/manifests/keystone.pp
+++ b/manifests/keystone.pp
@@ -47,9 +47,17 @@ class openstack_integration::keystone (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'keystone',
+    host     => $::openstack_integration::config::host,
   }
   class { 'keystone::db':
-    database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'keystone',
+      'password' => 'keystone',
+      'database' => 'keystone',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'keystone::logging':
     debug => true,
diff --git a/manifests/magnum.pp b/manifests/magnum.pp
index 64f2fcdb7..4eb972281 100644
--- a/manifests/magnum.pp
+++ b/manifests/magnum.pp
@@ -58,10 +58,18 @@ class openstack_integration::magnum (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'magnum',
+    host     => $::openstack_integration::config::host,
   }
 
   class { 'magnum::db':
-    database_connection => 'mysql+pymysql://magnum:magnum@127.0.0.1/magnum',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'magnum',
+      'password' => 'magnum',
+      'database' => 'magnum',
+      'charset'  => 'utf8',
+    }),
   }
 
   class { 'magnum::keystone::domain':
diff --git a/manifests/manila.pp b/manifests/manila.pp
index 77860d3b7..caad8039e 100644
--- a/manifests/manila.pp
+++ b/manifests/manila.pp
@@ -34,6 +34,7 @@ class openstack_integration::manila (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'manila',
+    host     => $::openstack_integration::config::host,
   }
   class { 'manila::keystone::auth':
     public_url             => "${::openstack_integration::config::base_url}:8786/v1/%(tenant_id)s",
@@ -50,7 +51,14 @@ class openstack_integration::manila (
     debug => true,
   }
   class { 'manila::db':
-    database_connection => 'mysql+pymysql://manila:manila@127.0.0.1/manila?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'manila',
+      'password' => 'manila',
+      'database' => 'manila',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'manila':
     default_transport_url      => os_transport_url({
diff --git a/manifests/mistral.pp b/manifests/mistral.pp
index 7bc8618ec..e68878100 100644
--- a/manifests/mistral.pp
+++ b/manifests/mistral.pp
@@ -26,7 +26,14 @@ class openstack_integration::mistral {
     debug => true,
   }
   class { 'mistral::db':
-    database_connection => 'mysql+pymysql://mistral:mistral@127.0.0.1/mistral?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'mistral',
+      'password' => 'mistral',
+      'database' => 'mistral',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'mistral':
     default_transport_url => os_transport_url({
@@ -48,6 +55,7 @@ class openstack_integration::mistral {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'mistral',
+    host     => $::openstack_integration::config::host,
   }
   class { 'mistral::api':
     service_name => 'httpd',
diff --git a/manifests/murano.pp b/manifests/murano.pp
index 90e6dea5a..51d86ded1 100644
--- a/manifests/murano.pp
+++ b/manifests/murano.pp
@@ -42,13 +42,21 @@ class openstack_integration::murano {
   class { 'murano::db::mysql':
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
-    password => 'a_big_secret',
+    password => 'murano',
+    host     => $::openstack_integration::config::host,
   }
   class { 'murano::logging':
     debug => true,
   }
   class { 'murano::db':
-    database_connection => 'mysql+pymysql://murano:a_big_secret@127.0.0.1/murano?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'murano',
+      'password' => 'murano',
+      'database' => 'murano',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'murano::keystone::authtoken':
     password             => 'a_big_secret',
diff --git a/manifests/mysql.pp b/manifests/mysql.pp
index 074120d85..57b2b1f9a 100644
--- a/manifests/mysql.pp
+++ b/manifests/mysql.pp
@@ -1,5 +1,13 @@
 class openstack_integration::mysql {
 
-  class { 'mysql::server': }
+  include openstack_integration::config
+
+  class { 'mysql::server':
+    override_options => {
+      'mysqld' => {
+        'bind-address' => $::openstack_integration::config::host,
+      },
+    },
+  }
 
 }
diff --git a/manifests/neutron.pp b/manifests/neutron.pp
index 14ee61c80..98bdfe25b 100644
--- a/manifests/neutron.pp
+++ b/manifests/neutron.pp
@@ -100,6 +100,7 @@ class openstack_integration::neutron (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'neutron',
+    host     => $::openstack_integration::config::host,
   }
   class { 'neutron::keystone::auth':
     public_url   => "${::openstack_integration::config::base_url}:9696",
@@ -205,7 +206,14 @@ class openstack_integration::neutron (
   }
 
   class { 'neutron::db':
-    database_connection => 'mysql+pymysql://neutron:neutron@127.0.0.1/neutron?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'neutron',
+      'password' => 'neutron',
+      'database' => 'neutron',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'neutron::server':
     sync_db                  => true,
diff --git a/manifests/nova.pp b/manifests/nova.pp
index f59fc546f..ee7fe1da7 100644
--- a/manifests/nova.pp
+++ b/manifests/nova.pp
@@ -66,11 +66,13 @@ class openstack_integration::nova (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'nova',
+    host     => $::openstack_integration::config::host,
   }
   class { 'nova::db::mysql_api':
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'nova',
+    host     => $::openstack_integration::config::host,
   }
   include nova::cell_v2::simple_setup
 
@@ -102,8 +104,22 @@ class openstack_integration::nova (
     debug => true,
   }
   class { 'nova::db':
-    database_connection     => 'mysql+pymysql://nova:nova@127.0.0.1/nova?charset=utf8',
-    api_database_connection => 'mysql+pymysql://nova_api:nova@127.0.0.1/nova_api?charset=utf8',
+    database_connection     => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'nova',
+      'password' => 'nova',
+      'database' => 'nova',
+      'charset'  => 'utf8',
+    }),
+    api_database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'nova_api',
+      'password' => 'nova',
+      'database' => 'nova_api',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'nova':
     default_transport_url      => $default_transport_url,
diff --git a/manifests/octavia.pp b/manifests/octavia.pp
index edd775f24..ddd1ce1df 100644
--- a/manifests/octavia.pp
+++ b/manifests/octavia.pp
@@ -33,7 +33,14 @@ class openstack_integration::octavia (
     debug => true,
   }
   class { 'octavia::db':
-    database_connection => 'mysql+pymysql://octavia:octavia@127.0.0.1/octavia?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'octavia',
+      'password' => 'octavia',
+      'database' => 'octavia',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'octavia':
     default_transport_url      => os_transport_url({
@@ -59,6 +66,7 @@ class openstack_integration::octavia (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'octavia',
+    host     => $::openstack_integration::config::host,
   }
   class { 'octavia::keystone::auth':
     public_url   => "${::openstack_integration::config::base_url}:9876",
diff --git a/manifests/placement.pp b/manifests/placement.pp
index d0d07a081..31ab3353f 100644
--- a/manifests/placement.pp
+++ b/manifests/placement.pp
@@ -19,6 +19,7 @@ class openstack_integration::placement {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'placement',
+    host     => $::openstack_integration::config::host,
   }
 
   class { 'placement::keystone::auth':
@@ -39,7 +40,14 @@ class openstack_integration::placement {
     debug => true,
   }
   class { 'placement::db':
-    database_connection => 'mysql+pymysql://placement:placement@127.0.0.1/placement?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'placement',
+      'password' => 'placement',
+      'database' => 'placement',
+      'charset'  => 'utf8',
+    }),
   }
   include placement::db::sync
   # TODO(tkajinam): Remove this once lp bug 1987984 is fixed.
diff --git a/manifests/sahara.pp b/manifests/sahara.pp
index a54287db3..28e4368d0 100644
--- a/manifests/sahara.pp
+++ b/manifests/sahara.pp
@@ -28,6 +28,7 @@ class openstack_integration::sahara (
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'sahara',
+    host     => $::openstack_integration::config::host,
   }
 
   class { 'sahara::keystone::auth':
@@ -40,7 +41,14 @@ class openstack_integration::sahara (
     debug => true,
   }
   class { 'sahara::db':
-    database_connection => 'mysql+pymysql://sahara:sahara@127.0.0.1/sahara?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'sahara',
+      'password' => 'sahara',
+      'database' => 'sahara',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'sahara':
     host                  => $::openstack_integration::config::host,
diff --git a/manifests/trove.pp b/manifests/trove.pp
index 6e851a532..705573705 100644
--- a/manifests/trove.pp
+++ b/manifests/trove.pp
@@ -25,7 +25,14 @@ class openstack_integration::trove {
     debug => true,
   }
   class { 'trove::db':
-    database_connection => 'mysql+pymysql://trove:trove@127.0.0.1/trove?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'trove',
+      'password' => 'trove',
+      'database' => 'trove',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'trove':
     default_transport_url      => os_transport_url({
@@ -49,6 +56,7 @@ class openstack_integration::trove {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'trove',
+    host     => $::openstack_integration::config::host,
   }
   class { 'trove::keystone::auth':
     password     => 'a_big_secret',
diff --git a/manifests/vitrage.pp b/manifests/vitrage.pp
index df9e703b4..a9d2067ad 100644
--- a/manifests/vitrage.pp
+++ b/manifests/vitrage.pp
@@ -20,10 +20,18 @@ class openstack_integration::vitrage {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'vitrage',
+    host     => $::openstack_integration::config::host,
   }
 
   class { 'vitrage::db':
-    database_connection => 'mysql+pymysql://vitrage:vitrage@127.0.0.1/vitrage?charset=utf8'
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'vitrage',
+      'password' => 'vitrage',
+      'database' => 'vitrage',
+      'charset'  => 'utf8',
+    }),
   }
 
   class { 'vitrage::db::sync': }
diff --git a/manifests/watcher.pp b/manifests/watcher.pp
index eed9d6d47..c4539b401 100644
--- a/manifests/watcher.pp
+++ b/manifests/watcher.pp
@@ -19,9 +19,17 @@ class openstack_integration::watcher {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'watcher',
+    host     => $::openstack_integration::config::host,
   }
   class { 'watcher::db':
-    database_connection => 'mysql+pymysql://watcher:watcher@127.0.0.1/watcher?charset=utf8',
+    database_connection => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'watcher',
+      'password' => 'watcher',
+      'database' => 'watcher',
+      'charset'  => 'utf8',
+    }),
   }
   class { 'watcher::keystone::auth':
     password     => 'a_big_secret',
diff --git a/manifests/zaqar.pp b/manifests/zaqar.pp
index 6ff0c3df9..ad37572f0 100644
--- a/manifests/zaqar.pp
+++ b/manifests/zaqar.pp
@@ -16,6 +16,7 @@ class openstack_integration::zaqar {
     charset  => $::openstack_integration::params::mysql_charset,
     collate  => $::openstack_integration::params::mysql_collate,
     password => 'zaqar',
+    host     => $::openstack_integration::config::host,
   }
   class { 'zaqar::keystone::auth':
     password     => 'a_big_secret',
@@ -30,7 +31,15 @@ class openstack_integration::zaqar {
     admin_url    => "ws://${::openstack_integration::config::ip_for_url}:8888",
   }
   class {'zaqar::management::sqlalchemy':
-    uri => 'mysql+pymysql://zaqar:zaqar@127.0.0.1/zaqar?charset=utf8',
+    uri => os_database_connection({
+      'dialect'  => 'mysql+pymysql',
+      'host'     => $::openstack_integration::config::ip_for_url,
+      'username' => 'zaqar',
+      'password' => 'zaqar',
+      'database' => 'zaqar',
+      'charset'  => 'utf8',
+    }),
+
   }
   class {'zaqar::messaging::swift':
     auth_url => "${::openstack_integration::config::keystone_auth_uri}/v3",