Overcloud deploy (scale-up)/minor update failed with mysql authentication error

Issue

• On a scale-up operation, mysql_init_bundle fails to complete due to authentication error

• The docker images are the following:

overcloud-registry.yaml:  DockerMysqlClientConfigImage: registry.access.redhat.com/rhosp13/openstack-mariadb:13.0-61
overcloud-registry.yaml:  DockerMysqlConfigImage: registry.access.redhat.com/rhosp13/openstack-mariadb:13.0-61
overcloud-registry.yaml:  DockerMysqlImage: registry.access.redhat.com/rhosp13/openstack-mariadb:13.0-61

• The openstack-tripleo-heat-templates version is the following:

openstack-tripleo-heat-templates-8.0.4-20.el7ost.noarch

• openstack stack failures list --long displays an error similar to this:

            "+ TAGS=file,file_line,concat,augeas,pacemaker::resource::bundle,pacemaker::property,pacemaker::resource::ocf,pacemaker::constraint::order,pacemaker::constraint::colocation,galera_ready,mysql_database,mysql_grant,mysql_user",             "+ CONFIG='include ::tripleo::profile::base::pacemaker;include ::tripleo::profile::pacemaker::database::mysql_bundle'", 
            "+ EXTRA_ARGS=", 
            "+ '[' -d /tmp/puppet-etc ']'", 
            "+ cp -a /tmp/puppet-etc/auth.conf /tmp/puppet-etc/hiera.yaml /tmp/puppet-etc/hieradata /tmp/puppet-etc/modules /tmp/puppet-etc/puppet.conf /tmp/puppet-etc/puppet.conf.rpmnew /etc/puppet", 
            "+ echo '{\"step\": 2}'", 
            "+ export FACTER_uuid=docker", 
            "+ FACTER_uuid=docker", 
            "+ set +e", 
            "+ puppet apply --verbose --detailed-exitcodes --summarize --color=false --modulepath /etc/puppet/modules:/opt/stack/puppet-modules:/usr/share/openstack-puppet/modules --tags file,file_line,concat,augeas,pacemaker::resource::bundle,pacemaker::property,pacemaker::resource::ocf,pacemaker::constraint::order,pacemaker::constraint::colocation,galera_ready,mysql_database,mysql_grant,mysql_user -e 'include ::tripleo::profile::base::pacemaker;include ::tripleo::profile::pacemaker::database::mysql_bundle'", 
            "Failed to get D-Bus connection: Operation not permitted", 
            "Warning: Undefined variable 'deploy_config_name'; ", 
            "   (file & line not available)", 
            "Warning: This method is deprecated, please use match expressions with Stdlib::Compat::Array instead. They are described at https://docs.puppet.com/puppet/latest/reference/lang_data_type.html#match-expressions. at [\"/etc/puppet/modules/tripleo/manifests/profile/pacemaker/database/mysql_bundle.pp\", 143]:[\"unknown\", 1]", 
            "   (at /etc/puppet/modules/stdlib/lib/puppet/functions/deprecation.rb:28:in `deprecation')", 
            "Warning: This method is deprecated, please use the stdlib validate_legacy function,", 
            "                    with Stdlib::Compat::Hash. There is further documentation for validate_legacy function in the README. at [\"/etc/puppet/modules/tripleo/manifests/profile/base/database/mysql.pp\", 119]:[\"unknown\", 1]", 
            "Warning: ModuleLoader: module 'mysql' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: ModuleLoader: module 'cinder' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "                    with Stdlib::Compat::String. There is further documentation for validate_legacy function in the README. at [\"/etc/puppet/modules/cinder/manifests/db/mysql.pp\", 43]:[\"/etc/puppet/modules/tripleo/manifests/profile/base/database/mysql.pp\", 200]", 
            "Warning: ModuleLoader: module 'glance' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: ModuleLoader: module 'heat' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: ModuleLoader: module 'keystone' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: ModuleLoader: module 'neutron' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: ModuleLoader: module 'nova' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "Warning: Unknown variable: '::nova::db::mysql_api::setup_cell0'. at /etc/puppet/modules/nova/manifests/db/mysql.pp:53:28", 
            "Warning: ModuleLoader: module 'openstacklib' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules", 
            "                    with Pattern[]. There is further documentation for validate_legacy function in the README. at [\"/etc/puppet/modules/openstacklib/manifests/db/mysql/host_access.pp\", 43]:", 
            "Error: Failed to apply catalog: Execution of '/usr/bin/mysql -NBe SELECT CONCAT(User, '@',Host) AS User FROM mysql.user' returned 1: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)",