Add support for enable_load_data_local_infile variable

Author: jpiron

roles/proxysql/defaults/main.yml

@@ -166,3 +166,6 @@ proxysql_mysql_query_digests_max_query_length: 65000
 proxysql_mysql_stats_time_backend_query: false
 proxysql_mysql_stats_time_query_processor: false
 proxysql_mysql_verbose_query_error: false
+
+# misc
+proxysql_mysql_enable_load_data_local_infile: false

roles/proxysql/vars/main.yml

@@ -152,6 +152,9 @@ _proxysql_mysql_variables:
   eventslog_filesize:
     variable: "eventslog_filesize"
     variable_value: "{{ proxysql_mysql_eventslog_filesize }}"
+  enable_load_data_local_infile:
+    variable: "enable_load_data_local_infile"
+    variable_value: "{{ proxysql_mysql_enable_load_data_local_infile }}"
   enforce_autocommit_on_reads:
     variable: "enforce_autocommit_on_reads"
     variable_value: "{{ proxysql_mysql_enforce_autocommit_on_reads | to_json}}"