Fast forward upgrade from OSP 10 to OSP 13 shows `Can't create/write to file './keystone/db.opt' (Errcode: 13 \"Permission denied\")"`

Issue

Fast forward upgrade from OSP 10 to OSP 13 shows Can't create/write to file './keystone/db.opt' (Errcode: 13 \"Permission denied\")"

                    "Error: /Stage[main]/Keystone::Db::Mysql/Openstacklib::Db::Mysql[keystone]/Mysql_database[keystone]/charset: change from latin1 to utf8 failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alte
r database `keystone` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './keystone/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `keystone` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './keystone/db.opt' (Er
rcode: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Keystone::Db::Mysql/Openstacklib::Db::Mysql[keystone]/Mysql_database[keystone]/collate: change from latin1_swedish_ci to utf8_general_ci failed: Execution of '/usr/bin/mysql --defaults-extra-file=/
root/.my.cnf -NBe alter database `keystone` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './keystone/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `ovs_neutron` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './ovs_neutron/db.opt' (E
rrcode: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Neutron::Db::Mysql/Openstacklib::Db::Mysql[neutron]/Mysql_database[ovs_neutron]/charset: change from latin1 to utf8 failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alt
er database `ovs_neutron` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './ovs_neutron/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `ovs_neutron` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './ovs_neutron/db.op
t' (Errcode: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Neutron::Db::Mysql/Openstacklib::Db::Mysql[neutron]/Mysql_database[ovs_neutron]/collate: change from latin1_swedish_ci to utf8_general_ci failed: Execution of '/usr/bin/mysql --defaults-extra-file=
/root/.my.cnf -NBe alter database `ovs_neutron` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './ovs_neutron/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `nova` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova/db.opt' (Errcode: 13 \"P
ermission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql/Openstacklib::Db::Mysql[nova]/Mysql_database[nova]/charset: change from latin1 to utf8 failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `
nova` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `nova` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova/db.opt' (Errcode: 1
3 \"Permission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql/Openstacklib::Db::Mysql[nova]/Mysql_database[nova]/collate: change from latin1_swedish_ci to utf8_general_ci failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf
 -NBe alter database `nova` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe create database if not exists `nova_cell0` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can't c
reate database 'nova_cell0' (errno: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql/Openstacklib::Db::Mysql[nova_cell0]/Mysql_database[nova_cell0]/ensure: change from absent to present failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe cr
eate database if not exists `nova_cell0` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can't create database 'nova_cell0' (errno: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `nova_api` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova_api/db.opt' (Errcode
: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql_api/Openstacklib::Db::Mysql[nova_api]/Mysql_database[nova_api]/charset: change from latin1 to utf8 failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alte
r database `nova_api` CHARACTER SET utf8' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova_api/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe alter database `nova_api` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova_api/db.opt' (Er
rcode: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql_api/Openstacklib::Db::Mysql[nova_api]/Mysql_database[nova_api]/collate: change from latin1_swedish_ci to utf8_general_ci failed: Execution of '/usr/bin/mysql --defaults-extra-file=/
root/.my.cnf -NBe alter database `nova_api` COLLATE utf8_general_ci' returned 1: ERROR 1 (HY000) at line 1: Can't create/write to file './nova_api/db.opt' (Errcode: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe create database if not exists `nova_placement` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can
't create database 'nova_placement' (errno: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Nova::Db::Mysql_placement/Openstacklib::Db::Mysql[nova_placement]/Mysql_database[nova_placement]/ensure: change from absent to present failed: Execution of '/usr/bin/mysql --defaults-extra-file=/ro
ot/.my.cnf -NBe create database if not exists `nova_placement` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can't create database 'nova_placement' (errno: 13 \"Permission denied\")",
                    "Error: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe create database if not exists `panko` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can't create
 database 'panko' (errno: 13 \"Permission denied\")",
                    "Error: /Stage[main]/Panko::Db::Mysql/Openstacklib::Db::Mysql[panko]/Mysql_database[panko]/ensure: change from absent to present failed: Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe create data
base if not exists `panko` character set `utf8` collate `utf8_general_ci`' returned 1: ERROR 1006 (HY000) at line 1: Can't create database 'panko' (errno: 13 \"Permission denied\")",