Adjust file_format setting as well.

Author: geerlingguy

defaults/main.yml

@@ -50,8 +50,6 @@ mysql_max_connections: 151
 mysql_wait_timeout: 28800
 
 # InnoDB settings.
-mysql_innodb_large_prefix: "1"
-mysql_innodb_file_format: "barracuda"
 mysql_innodb_file_per_table: "1"
 # Set .._buffer_pool_size up to 80% of RAM but beware of setting too high.
 mysql_innodb_buffer_pool_size: "256M"
@@ -61,6 +59,10 @@ mysql_innodb_log_buffer_size: "8M"
 mysql_innodb_flush_log_at_trx_commit: "1"
 mysql_innodb_lock_wait_timeout: 50
 
+# These settings require MySQL > 5.5.
+mysql_innodb_large_prefix: "1"
+mysql_innodb_file_format: "barracuda"
+
 # mysqldump settings.
 mysql_mysqldump_max_allowed_packet: "64M"
 

templates/my.cnf.j2

@@ -84,8 +84,8 @@ wait_timeout = {{ mysql_wait_timeout }}
 # InnoDB settings.
 {% if mysql_supports_innodb_large_prefix %}
 innodb_large_prefix = {{ mysql_innodb_large_prefix }}
-{% endif %}
 innodb_file_format = {{ mysql_innodb_file_format }}
+{% endif %}
 innodb_file_per_table = {{ mysql_innodb_file_per_table }}
 innodb_buffer_pool_size = {{ mysql_innodb_buffer_pool_size }}
 innodb_log_file_size = {{ mysql_innodb_log_file_size }}