diff --git a/mysql/client/database/aodh.yml b/mysql/client/database/aodh.yml
index 92a2b29..b8842e9 100644
--- a/mysql/client/database/aodh.yml
+++ b/mysql/client/database/aodh.yml
@@ -7,11 +7,11 @@
             aodh:
               encoding: utf8
               users:
-              - name: aodh
+              - name: ${_param:mysql_aodh_username}
                 password: ${_param:mysql_aodh_password}
                 host: '%'
                 rights: all
-              - name: aodh
+              - name: ${_param:mysql_aodh_username}
                 password: ${_param:mysql_aodh_password}
                 host: ${_param:single_address}
                 rights: all
\ No newline at end of file
diff --git a/mysql/client/database/barbican.yml b/mysql/client/database/barbican.yml
index f9fe6dd..a900905 100644
--- a/mysql/client/database/barbican.yml
+++ b/mysql/client/database/barbican.yml
@@ -7,11 +7,11 @@
             barbican:
               encoding: utf8
               users:
-              - name: barbican
+              - name: ${_param:mysql_barbican_username}
                 password: ${_param:mysql_barbican_password}
                 host: '%'
                 rights: all
-              - name: barbican
+              - name: ${_param:mysql_barbican_username}
                 password: ${_param:mysql_barbican_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/ceilometer.yml b/mysql/client/database/ceilometer.yml
index 436bf97..4cf65a1 100644
--- a/mysql/client/database/ceilometer.yml
+++ b/mysql/client/database/ceilometer.yml
@@ -7,11 +7,11 @@
             ceilometer:
               encoding: utf8
               users:
-              - name: ceilometer
+              - name: ${_param:mysql_ceilometer_username}
                 password: ${_param:mysql_ceilometer_password}
                 host: '%'
                 rights: all
-              - name: ceilometer
+              - name: ${_param:mysql_ceilometer_username}
                 password: ${_param:mysql_ceilometer_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/cinder.yml b/mysql/client/database/cinder.yml
index 4d6783b..280b35b 100644
--- a/mysql/client/database/cinder.yml
+++ b/mysql/client/database/cinder.yml
@@ -7,11 +7,11 @@
             cinder:
               encoding: utf8
               users:
-              - name: cinder
+              - name: ${_param:mysql_cinder_username}
                 password: ${_param:mysql_cinder_password}
                 host: '%'
                 rights: all
-              - name: cinder
+              - name: ${_param:mysql_cinder_username}
                 password: ${_param:mysql_cinder_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/designate.yml b/mysql/client/database/designate.yml
index cee6ff1..f6301a8 100644
--- a/mysql/client/database/designate.yml
+++ b/mysql/client/database/designate.yml
@@ -7,11 +7,11 @@
             designate:
               encoding: utf8
               users:
-              - name: designate
+              - name: ${_param:mysql_designate_username}
                 password: ${_param:mysql_designate_password}
                 host: '%'
                 rights: all
-              - name: designate
+              - name: ${_param:mysql_designate_username}
                 password: ${_param:mysql_designate_password}
                 host: ${_param:single_address}
                 rights: all
\ No newline at end of file
diff --git a/mysql/client/database/designate_pool_manager.yml b/mysql/client/database/designate_pool_manager.yml
index 6913bd4..09352b4 100644
--- a/mysql/client/database/designate_pool_manager.yml
+++ b/mysql/client/database/designate_pool_manager.yml
@@ -7,11 +7,11 @@
             designate_pool_manager:
               encoding: utf8
               users:
-              - name: designate
+              - name: ${_param:mysql_designate_username}
                 password: ${_param:mysql_designate_password}
                 host: '%'
                 rights: all
-              - name: designate
+              - name: ${_param:mysql_designate_username}
                 password: ${_param:mysql_designate_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/glance.yml b/mysql/client/database/glance.yml
index b93b343..6a8a4d1 100644
--- a/mysql/client/database/glance.yml
+++ b/mysql/client/database/glance.yml
@@ -7,11 +7,11 @@
             glance:
               encoding: utf8
               users:
-              - name: glance
+              - name: ${_param:mysql_glance_username}
                 password: ${_param:mysql_glance_password}
                 host: '%'
                 rights: all
-              - name: glance
+              - name: ${_param:mysql_glance_username}
                 password: ${_param:mysql_glance_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/grafana.yml b/mysql/client/database/grafana.yml
index a2899f0..26bc3cd 100644
--- a/mysql/client/database/grafana.yml
+++ b/mysql/client/database/grafana.yml
@@ -7,11 +7,11 @@
             grafana:
               encoding: utf8
               users:
-              - name: grafana
+              - name: ${_param:mysql_grafana_username}
                 password: ${_param:mysql_grafana_password}
                 host: '%'
                 rights: all
-              - name: grafana
+              - name: ${_param:mysql_grafana_username}
                 password: ${_param:mysql_grafana_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/heat.yml b/mysql/client/database/heat.yml
index 51aae8f..36cfdc5 100644
--- a/mysql/client/database/heat.yml
+++ b/mysql/client/database/heat.yml
@@ -7,11 +7,11 @@
             heat:
               encoding: utf8
               users:
-              - name: heat
+              - name: ${_param:mysql_heat_username}
                 password: ${_param:mysql_heat_password}
                 host: '%'
                 rights: all
-              - name: heat
+              - name: ${_param:mysql_heat_username}
                 password: ${_param:mysql_heat_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/ironic.yml b/mysql/client/database/ironic.yml
index e142e64..9441f74 100644
--- a/mysql/client/database/ironic.yml
+++ b/mysql/client/database/ironic.yml
@@ -7,11 +7,11 @@
             ironic:
               encoding: utf8
               users:
-              - name: ironic
+              - name: ${_param:mysql_ironic_username}
                 password: ${_param:mysql_ironic_password}
                 host: '%'
                 rights: all
-              - name: ironic
+              - name: ${_param:mysql_ironic_username}
                 password: ${_param:mysql_ironic_password}
                 host: ${_param:cluster_local_address}
                 rights: all
diff --git a/mysql/client/database/keystone.yml b/mysql/client/database/keystone.yml
index 09885dd..ebd4810 100644
--- a/mysql/client/database/keystone.yml
+++ b/mysql/client/database/keystone.yml
@@ -7,11 +7,11 @@
             keystone:
               encoding: utf8
               users:
-              - name: keystone
+              - name: ${_param:mysql_keystone_username}
                 password: ${_param:mysql_keystone_password}
                 host: '%'
                 rights: all
-              - name: keystone
+              - name: ${_param:mysql_keystone_username}
                 password: ${_param:mysql_keystone_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/murano.yml b/mysql/client/database/murano.yml
index 561ea3d..5a8b41e 100644
--- a/mysql/client/database/murano.yml
+++ b/mysql/client/database/murano.yml
@@ -7,11 +7,11 @@
             murano:
               encoding: utf8
               users:
-              - name: murano
+              - name: ${_param:mysql_murano_username}
                 password: ${_param:mysql_murano_password}
                 host: '%'
                 rights: all
-              - name: murano
+              - name: ${_param:mysql_murano_username}
                 password: ${_param:mysql_murano_password}
                 host: ${_param:single_address}
                 rights: all
\ No newline at end of file
diff --git a/mysql/client/database/neutron.yml b/mysql/client/database/neutron.yml
index 94d9722..7481797 100644
--- a/mysql/client/database/neutron.yml
+++ b/mysql/client/database/neutron.yml
@@ -7,11 +7,11 @@
             neutron:
               encoding: utf8
               users:
-              - name: neutron
+              - name: ${_param:mysql_neutron_username}
                 password: ${_param:mysql_neutron_password}
                 host: '%'
                 rights: all
-              - name: neutron
+              - name: ${_param:mysql_neutron_username}
                 password: ${_param:mysql_neutron_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/nova.yml b/mysql/client/database/nova.yml
index 930b280..da2a4ae 100644
--- a/mysql/client/database/nova.yml
+++ b/mysql/client/database/nova.yml
@@ -7,11 +7,11 @@
             nova:
               encoding: utf8
               users:
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: '%'
                 rights: all
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/nova_api.yml b/mysql/client/database/nova_api.yml
index a8fbd59..96862ad 100644
--- a/mysql/client/database/nova_api.yml
+++ b/mysql/client/database/nova_api.yml
@@ -7,22 +7,22 @@
             nova_api:
               encoding: utf8
               users:
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: '%'
                 rights: all
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: ${_param:single_address}
                 rights: all
             nova_cell0:
               encoding: utf8
               users:
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: '%'
                 rights: all
-              - name: nova
+              - name: ${_param:mysql_nova_username}
                 password: ${_param:mysql_nova_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/octavia.yml b/mysql/client/database/octavia.yml
index 6c31ece..22fa442 100644
--- a/mysql/client/database/octavia.yml
+++ b/mysql/client/database/octavia.yml
@@ -7,11 +7,11 @@
             octavia:
               encoding: utf8
               users:
-              - name: octavia
+              - name: ${_param:mysql_octavia_username}
                 password: ${_param:mysql_octavia_password}
                 host: '%'
                 rights: all
-              - name: octavia
+              - name: ${_param:mysql_octavia_username}
                 password: ${_param:mysql_octavia_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/panko.yml b/mysql/client/database/panko.yml
index e0463ef..848e32f 100644
--- a/mysql/client/database/panko.yml
+++ b/mysql/client/database/panko.yml
@@ -7,11 +7,11 @@
             panko:
               encoding: utf8
               users:
-              - name: panko
+              - name: ${_param:mysql_panko_username}
                 password: ${_param:mysql_panko_password}
                 host: '%'
                 rights: all
-              - name: panko
+              - name: ${_param:mysql_panko_username}
                 password: ${_param:mysql_panko_password}
                 host: ${_param:single_address}
                 rights: all
diff --git a/mysql/client/database/sahara.yml b/mysql/client/database/sahara.yml
index 86497d8..3db7e3e 100644
--- a/mysql/client/database/sahara.yml
+++ b/mysql/client/database/sahara.yml
@@ -7,11 +7,11 @@
             sahara:
               encoding: utf8
               users:
-              - name: sahara
+              - name: ${_param:mysql_sahara_username}
                 password: ${_param:mysql_sahara_password}
                 host: '%'
                 rights: all
-              - name: sahara
+              - name: ${_param:mysql_sahara_username}
                 password: ${_param:mysql_sahara_password}
                 host: ${_param:single_address}
                 rights: all