replace password with unix socket authentication for root user #9
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… database_root_password optional and uses unix_socket as default auth plugin. Ensures that the tasks run for both Debian and RedHat based distros
Author
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follow-up of #4 |
wsmirnow
requested changes
Nov 10, 2025
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wsmirnow
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wsmirnow
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Hi @DanScharon, I'm sorry this review took a while.
I'm not sure of
- enabling unix socket authentication plugin for root user will also
- disable password based login for root
- only unix root user is allowed to run administrative tasks on DB server
- if this role should really take care about restricting access for root user,
- yes we did it in the previous version but is it the way to go?
- Maybe this feature should be configurable?
- what should the configuration looks like? Root Unix Auth: [true | false]?
What du you think about?
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| - name: Wait for MariaDB start | ||
| ansible.builtin.wait_for: | ||
| path: "{{ '/run/mysqld/mysqld.sock' if ansible_os_family == 'Debian' else '/var/lib/mysql/mysql.sock' }}" |
Contributor
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Replace this to be consistent
Suggested change
| path: "{{ mariadb_socket_path }}" |
| host: "%" | ||
| priv: "{{ database_name }}.*:ALL,GRANT" | ||
| login_user: "{{ database_root_user }}" | ||
| login_password: "{{ database_root_password }}" |
Contributor
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Password may be unset. This would handle this case.
Suggested change
| login_password: "{{ database_root_password }}" | |
| login_password: "{{ database_root_password | default(omit) }}" |
| encoding: utf8mb4 | ||
| state: present | ||
| login_user: "{{ database_root_user }}" | ||
| login_password: "{{ database_root_password }}" |
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Password may be unset. This would handle this case.
Suggested change
| login_password: "{{ database_root_password }}" | |
| login_password: "{{ database_root_password | default(omit) }}" |
| host_all: true | ||
| state: absent | ||
| login_user: "{{ database_root_user }}" | ||
| login_password: "{{ database_root_password }}" |
Contributor
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Password may be unset. This would handle this case.
Suggested change
| login_password: "{{ database_root_password }}" | |
| login_password: "{{ database_root_password | default(omit) }}" |
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| - name: Ensure root user can only connect from the local machine | ||
| community.mysql.mysql_user: | ||
| user: "{{ database_root_user }}" | ||
| password: "{{ database_root_password }}" | ||
| host: "{{ item }}" | ||
| community.mysql.mysql_query: | ||
| query: | ||
| - DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1') | ||
| login_user: "{{ database_root_user }}" | ||
| login_password: "{{ database_root_password }}" | ||
| loop: | ||
| - "::1" | ||
| - "localhost" | ||
| - "{{ ansible_fqdn }}" | ||
| no_log: true | ||
| login_unix_socket: "{{ mariadb_socket_path }}" | ||
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| - name: Ensure unix socket as login method for root user | ||
| community.mysql.mysql_user: | ||
| name: "{{ database_root_user }}" | ||
| plugin: unix_socket | ||
| check_implicit_admin: true | ||
| login_unix_socket: "{{ mariadb_socket_path }}" |
Contributor
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Enabling unix socket plugin for root user authentication will disallow password based authentication (see docs). IMO there is no need to run this query. Isn't it?
Suggested change
| - name: Ensure root user can only connect from the local machine | |
| community.mysql.mysql_user: | |
| user: "{{ database_root_user }}" | |
| password: "{{ database_root_password }}" | |
| host: "{{ item }}" | |
| community.mysql.mysql_query: | |
| query: | |
| - DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1') | |
| login_user: "{{ database_root_user }}" | |
| login_password: "{{ database_root_password }}" | |
| loop: | |
| - "::1" | |
| - "localhost" | |
| - "{{ ansible_fqdn }}" | |
| no_log: true | |
| login_unix_socket: "{{ mariadb_socket_path }}" | |
| - name: Ensure unix socket as login method for root user | |
| community.mysql.mysql_user: | |
| name: "{{ database_root_user }}" | |
| plugin: unix_socket | |
| check_implicit_admin: true | |
| login_unix_socket: "{{ mariadb_socket_path }}" | |
| - name: Ensure unix socket as login method for root user | |
| community.mysql.mysql_user: | |
| name: "{{ database_root_user }}" | |
| plugin: unix_socket | |
| check_implicit_admin: true | |
| login_unix_socket: "{{ mariadb_socket_path }}" |
Comment on lines
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| # mariadb root user password, | ||
| # only used for authentication to a db with an already set root password and disabled unix_socket authentication | ||
| database_root_password: '4567' |
Contributor
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Stop setting default passwords, especially unsecure one!
Suggested change
| # mariadb root user password, | |
| # only used for authentication to a db with an already set root password and disabled unix_socket authentication | |
| database_root_password: '4567' |
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replace password with unix socket authentication for root user. Make database_root_password optional and use unix_socket as default auth plugin. Ensure that the tasks run for both Debian and RedHat based distros