I'm not the biggest expert wrt database schema, but to me it looks like a mismatch: mysql> SELECT COLUMN_NAME, CHARACTER_SET_NAME, COLLATION_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'neutron_prod' AND TABLE_NAME = 'ports'; shows "utf8mb3_general_ci" while: mysql> show create database neutron_prod; shows "COLLATE utf8mb4_0900_ai_ci" I would expect that those have to match. Here's an excerpt from my test cloud which was upgraded from V to C over the last months: MariaDB [neutron]> show create database neutron; +----------+------------------------------------------------------------------------------------------------+ | Database | Create Database | +----------+------------------------------------------------------------------------------------------------+ | neutron | CREATE DATABASE `neutron` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci */ | +----------+------------------------------------------------------------------------------------------------+ MariaDB [neutron]> SELECT COLUMN_NAME,CHARACTER_SET_NAME,COLLATION_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ports'; +------------------+--------------------+--------------------+ | COLUMN_NAME | CHARACTER_SET_NAME | COLLATION_NAME | +------------------+--------------------+--------------------+ | project_id | utf8mb4 | utf8mb4_general_ci | | id | utf8mb4 | utf8mb4_general_ci | | name | utf8mb4 | utf8mb4_general_ci | | network_id | utf8mb4 | utf8mb4_general_ci | | mac_address | utf8mb4 | utf8mb4_general_ci | | admin_state_up | NULL | NULL | | status | utf8mb4 | utf8mb4_general_ci | | device_id | utf8mb4 | utf8mb4_general_ci | | device_owner | utf8mb4 | utf8mb4_general_ci | | standard_attr_id | NULL | NULL | | ip_allocation | utf8mb4 | utf8mb4_general_ci | +------------------+--------------------+--------------------+ I don't have anything customized in neutron.conf regarding database settings. The mariadb.conf settings are also untouched: grep -ri collation /etc/ /etc/mysql/mariadb.conf.d/50-server.cnf:collation-server = utf8mb4_general_ci Hope this helps! Zitat von federica fanzago <federica.fanzago@pd.infn.it>:
Dear all, we are updating our production cloud from openstack Yoga to openstack Caracal, and now we find the problem with the update of neutron db.
The update from Antilope to Bobcat:
# su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
gets the error
File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 676, in _read_packet packet.raise_for_error() File "/usr/lib/python3.9/site-packages/pymysql/protocol.py", line 223, in raise_for_error err.raise_mysql_exception(self._data) File "/usr/lib/python3.9/site-packages/pymysql/err.py", line 107, in raise_mysql_exception raise errorclass(errno, errval) sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (3780, "Referencing column 'port_id' and referenced column 'id' in foreign key constraint 'porthints_ibfk_1' are incompatible.") [SQL: CREATE TABLE porthints ( port_id VARCHAR(36) NOT NULL, hints VARCHAR(4095) NOT NULL, PRIMARY KEY (port_id), FOREIGN KEY(port_id) REFERENCES ports (id) ON DELETE CASCADE )ENGINE=InnoDB
where ports table has mysql> SELECT COLUMN_NAME, CHARACTER_SET_NAME, COLLATION_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'neutron_prod' AND TABLE_NAME = 'ports'; +------------------+--------------------+--------------------+ | COLUMN_NAME | CHARACTER_SET_NAME | COLLATION_NAME | +------------------+--------------------+--------------------+ | project_id | utf8mb3 | utf8mb3_general_ci | | id | utf8mb3 | utf8mb3_general_ci | | name | utf8mb3 | utf8mb3_general_ci | | network_id | utf8mb3 | utf8mb3_general_ci | | mac_address | utf8mb3 | utf8mb3_general_ci | | admin_state_up | NULL | NULL | | status | utf8mb3 | utf8mb3_general_ci | | device_id | utf8mb3 | utf8mb3_general_ci | | device_owner | utf8mb3 | utf8mb3_general_ci | | standard_attr_id | NULL | NULL | | ip_allocation | utf8mb3 | utf8mb3_general_ci | +------------------+--------------------+--------------------+ 11 rows in set (0.00 sec)
In neutron db we have:
mysql> show create database neutron_prod; +--------------+----------------------------------------------------------------------------------------------------------------------------------------+ | Database | Create Database | +--------------+----------------------------------------------------------------------------------------------------------------------------------------+ | neutron_prod | CREATE DATABASE `neutron_prod` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci */ /*!80016 DEFAULT ENCRYPTION='N' */ | +--------------+----------------------------------------------------------------------------------------------------------------------------------------+
In the /etc/my.cfn of mysql
[mysqld] server-id=1 datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid collation-server = utf8_general_ci character-set-server = utf8
Changing collation-server value with collation_server = 'utf8mb3_general_ci'; the error is the same.
Do you have suggestions about to fix the problem?
Thanks a lot, cheers Federica
mysql> SHOW FULL COLUMNS FROM ports; +------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+ | Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment | +------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+ | project_id | varchar(255) | utf8mb3_general_ci | YES | MUL | NULL | | select,insert,update,references | | | id | varchar(36) | utf8mb3_general_ci | NO | PRI | NULL | | select,insert,update,references | | | name | varchar(255) | utf8mb3_general_ci | YES | | NULL | | select,insert,update,references | | | network_id | varchar(36) | utf8mb3_general_ci | NO | MUL | NULL | | select,insert,update,references | | | mac_address | varchar(32) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | admin_state_up | tinyint(1) | NULL | NO | | NULL | | select,insert,update,references | | | status | varchar(16) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | device_id | varchar(255) | utf8mb3_general_ci | NO | MUL | NULL | | select,insert,update,references | | | device_owner | varchar(255) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | standard_attr_id | bigint | NULL | NO | UNI | NULL | | select,insert,update,references | | | ip_allocation | varchar(16) | utf8mb3_general_ci | YES | | NULL | | select,insert,update,references | | +------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+ 11 rows in set (0.01 sec)
On 1/28/25 2:11 PM, federica fanzago wrote:
Hi Rodolfo, thanks for you answer. Cheers, Federica
On 1/27/25 7:22 AM, Rodolfo Alonso Hernandez wrote:
Hello Federica:
Neutron does not set the table collation during the alembic migrations. According to [1], prior to MariaDB 11.6.0, the default character set is latin1 and the default collation is latin1_swedish_ci. I would recommend manually setting the default charset to utf8 and the table collation to utf8mb3_general_ci. From [2]: $ SET character_set_server = 'utf8'; $ SET collation_server = 'utf8mb3_general_ci';
Regards.
[1]https://mariadb.com/kb/en/character-set-and-collation-overview/ [2]https://mariadb.com/kb/en/setting-character-sets-and-collations/
On Fri, Jan 24, 2025 at 5:56 PM federica fanzago <federica.fanzago@pd.infn.it <mailto:federica.fanzago@pd.infn.it>> wrote:
Dear all, I find the same problem during the upgrade of neutron db, from Bobcat to Caracal, with the creation of the new "porthardwareoffloadtype" table. The error is " Referencing column 'port_id' and referenced column 'id' in foreign key constraint 'porthardwareoffloadtype_ibfk_1' are incompatible". I tried adding in the neutron.conf file the values
/[database]/ /connection = mysql+pymysql://neutron:PWD@xxx/neutron?charset=utf8// //engine = "InnoDB DEFAULT CHARSET=utf8 DEFAULT COLLATE utf8"// //connection_parameters = charset=utf8/
but they don't resolve the upgrade problem.
Is it compulsory to have the ports.id <http://ports.id> columns in latin1?
Thanks, cheers Federica
On 1/20/25 6:55 PM, federica fanzago wrote:
Dear all,
we are running an OpenStack deployment Yoga on AlmaLinux 9.5 and we are attempting the upgrade Openstack up to Caracal release, one release at time (Zed--Antelope--Bobcat--Caracal)
The procedure we are following is to shut down all openstack services, to remove the "old" openstack release and to install the new one, upgrading all service databases.
This procedure works well for Zed and Antelope, but during the installation of the Bobcat release, the Neutron database upgrade fails when creating the new "porthints" table.
The command we are using is
su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
and the error message we receive is
...
File "/usr/lib/python3.9/site-packages/pymysql/err.py", line 107, in raise_mysql_exception raise errorclass(errno, errval) sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (3780, "Referencing column 'port_id' and referenced column 'id' in foreign key constraint 'porthints_ibfk_1' are incompatible.") [SQL: CREATE TABLE porthints ( port_id VARCHAR(36) NOT NULL, hints VARCHAR(4095) NOT NULL, PRIMARY KEY (port_id), FOREIGN KEY(port_id) REFERENCES ports (id) ON DELETE CASCADE )ENGINE=InnoDB ...
Our "ports" table uses the collation utf8mb3_general_ci
mysql> SHOW FULL COLUMNS FROM ports;
+------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+
| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
+------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+
| project_id | varchar(255) | utf8mb3_general_ci | YES | MUL | NULL | | select,insert,update,references | | | id | varchar(36) | utf8mb3_general_ci | NO | PRI | NULL | | select,insert,update,references | | | name | varchar(255) | utf8mb3_general_ci | YES | | NULL | | select,insert,update,references | | | network_id | varchar(36) | utf8mb3_general_ci | NO | MUL | NULL | | select,insert,update,references | | | mac_address | varchar(32) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | admin_state_up | tinyint(1) | NULL | NO | | NULL | | select,insert,update,references | | | status | varchar(16) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | device_id | varchar(255) | utf8mb3_general_ci | NO | MUL | NULL | | select,insert,update,references | | | device_owner | varchar(255) | utf8mb3_general_ci | NO | | NULL | | select,insert,update,references | | | standard_attr_id | bigint | NULL | NO | UNI | NULL | | select,insert,update,references | | | ip_allocation | varchar(16) | utf8mb3_general_ci | YES | | NULL | | select,insert,update,references | |
+------------------+--------------+--------------------+------+-----+---------+-------+---------------------------------+---------+
in Bobcat the collation required for the new "porthints" table is latin1_swedish_ci
MariaDB [neutron]> show create table porthints;
+-----------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+-----------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| porthints | CREATE TABLE `porthints` ( `port_id` varchar(36) NOT NULL, `hints` varchar(4095) NOT NULL, PRIMARY KEY (`port_id`), CONSTRAINT `porthints_ibfk_1` FOREIGN KEY (`port_id`) REFERENCES `ports` (`id`) ON DELETE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci |
So, we have tried to create the porthints table in mysql, forcing the collation to utf8mb3_general_ci
mysql> CREATE TABLE porthints ( port_id VARCHAR(36) NOT NULL, hints VARCHAR(4095) NOT NULL, PRIMARY KEY (port_id), FOREIGN KEY(port_id) REFERENCES ports (id) ON DELETE CASCADE )ENGINE=InnoDB DEFAULT CHARSET=utf8 DEFAULT COLLATE utf8mb3_general_ci; and commenting out the creation of the new table in the neutron code
/usr/lib/python3.9/site-packages/neutron/db/migration/alembic_migrations/versions/2023.2/expand/6f1145bff34c_port_hints.py.
In this way, the upgrade works, but we encounter the same kind of problem during the upgrade to Caracal, specifically with the creation of the new table porthardwareoffloadtype.
Have you already encountered this issue during the Neutron upgrade?
Do you have any suggestions on how to upgrade the neutron DB, without manually creating new tables?
Thanks a lot,
cheers,
Federica
-- Federica Fanzago INFN Sezione di Padova Via Marzolo, 8 35131 Padova - Italy
Tel: +39 049.967.7367 --
-- Federica Fanzago INFN Sezione di Padova Via Marzolo, 8 35131 Padova - Italy
Tel: +39 049.967.7367 --
-- Federica Fanzago INFN Sezione di Padova Via Marzolo, 8 35131 Padova - Italy
Tel: +39 049.967.7367 --