forked from evolix/ansible-roles
mysql: default values should stay in the proper file
Default values are set in z-evolinux-defaults.cnf and should be added in zzz-evolinux-custom.cnf only if the value differs from the default.
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@ -20,16 +20,16 @@ Tasks are extracted in several files, included in `tasks/main.yml` :
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* `mysql_variant` : install Oracle's MySQL or MariaDB (default: `oracle`) [Debian 8 only];
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* `mysql_replace_root_with_mysqladmin`: switch from `root` to `mysqladmin` user or not ;
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* `mysql_bind_address` : (default: `127.0.0.1`) ;
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* `mysql_thread_cache_size`: number of threads for the cache ;
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* `mysql_innodb_buffer_pool_size`: amount of RAM dedicated to InnoDB ;
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* `mysql_max_connections`: maximum number of simultaneous connections (default: `250`) ;
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* `mysql_max_connect_errors`: number of permitted successive interrupted connection requests before a host gets blocked (default: `10`) ;
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* `mysql_table_cache`: (default: `64`) ;
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* `mysql_tmp_table_size`: (default: `128M`) ;
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* `mysql_max_heap_table_size`: (default: `128M`) ;
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* `mysql_query_cache_limit`: (default: `8M`) ;
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* `mysql_query_cache_size`: (default: `256M`) ;
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* `mysql_bind_address` : (default: `Null`, default evolinux config is then used) ;
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* `mysql_max_connections`: maximum number of simultaneous connections (default: `Null`, default evolinux config is then used) ;
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* `mysql_max_connect_errors`: number of permitted successive interrupted connection requests before a host gets blocked (default: `Null`, default evolinux config is then used) ;
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* `mysql_table_cache`: (default: `Null`, default evolinux config is then used) ;
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* `mysql_tmp_table_size`: (default: `Null`, default evolinux config is then used) ;
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* `mysql_max_heap_table_size`: (default: `Null`, default evolinux config is then used) ;
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* `mysql_query_cache_limit`: (default: `Null`, default evolinux config is then used) ;
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* `mysql_query_cache_size`: (default: `Null`, default evolinux config is then used) ;
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* `mysql_custom_datadir`: custom datadir.
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* `mysql_custom_tmpdir`: custom tmpdir.
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* `general_alert_email`: email address to send various alert messages (default: `root@localhost`).
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@ -14,16 +14,20 @@ mysql_replace_root_with_mysqladmin: True
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mysql_custom_datadir: ''
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mysql_custom_tmpdir: ''
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mysql_bind_address: '127.0.0.1'
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mysql_thread_cache_size: '{{ ansible_processor_cores }}'
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mysql_innodb_buffer_pool_size: '{{ (ansible_memtotal_mb * 0.3) | int }}M'
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mysql_max_connections: '250'
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mysql_max_connect_errors: '10'
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mysql_table_cache: '64'
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mysql_tmp_table_size: '128M'
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mysql_max_heap_table_size: '128M'
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mysql_query_cache_limit: '8M'
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mysql_query_cache_size: '256M'
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# If these variables are changed to non-Null values,
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# they will be added in the zzz-evolinux-custom.cnf file.
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# Otherwise, the value from de the z-evolinux-defaults.cnf file will preveil.
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mysql_bind_address: Null
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mysql_max_connections: Null
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mysql_max_connect_errors: Null
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mysql_table_cache: Null
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mysql_tmp_table_size: Null
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mysql_max_heap_table_size: Null
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mysql_query_cache_limit: Null
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mysql_query_cache_size: Null
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mysql_cron_optimize: True
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@ -1,12 +1,31 @@
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[mysqld]
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{% if mysql_bind_address %}
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bind-address = {{ mysql_bind_address }}
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{% endif %}
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{% if mysql_thread_cache_size %}
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thread_cache_size = {{ mysql_thread_cache_size }}
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{% endif %}
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{% if mysql_innodb_buffer_pool_size %}
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innodb_buffer_pool_size = {{ mysql_innodb_buffer_pool_size }}
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{% endif %}
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{% if mysql_max_connections %}
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max_connections = {{ mysql_max_connections }}
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{% endif %}
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{% if mysql_max_connect_errors %}
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max_connect_errors = {{ mysql_max_connect_errors }}
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{% endif %}
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{% if mysql_table_cache %}
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table_cache = {{ mysql_table_cache }}
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{% endif %}
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{% if mysql_tmp_table_size %}
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tmp_table_size = {{ mysql_tmp_table_size }}
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{% endif %}
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{% if mysql_max_heap_table_size %}
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max_heap_table_size = {{ mysql_max_heap_table_size }}
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{% endif %}
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{% if mysql_query_cache_limit %}
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query_cache_limit = {{ mysql_query_cache_limit }}
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{% endif %}
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{% if mysql_query_cache_limit %}
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query_cache_size = {{ mysql_query_cache_size }}
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{% endif %}
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