From 0d0e4ca39f8d747d37f5bfcaa1483088de8d65b0 Mon Sep 17 00:00:00 2001
From: Andrea Dell'Amico <andrea.dellamico@isti.cnr.it>
Date: Tue, 2 Jul 2019 10:41:41 +0200
Subject: [PATCH] mysql: disable reverse name resolution by default.
---
library/roles/mysql/defaults/main.yml | 3 ++-
library/roles/mysql/templates/server.cnf.j2 | 3 +++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/library/roles/mysql/defaults/main.yml b/library/roles/mysql/defaults/main.yml
index a0764d0e..53c186ca 100644
--- a/library/roles/mysql/defaults/main.yml
+++ b/library/roles/mysql/defaults/main.yml
@@ -34,10 +34,11 @@ mysql_db_innodb_log_file_size: 64M
mysql_db_innodb_log_buffer_size: 9M
mysql_safe_open_files_limit: 1024
mysql_max_allowed_packet: 16M
+mysql_skip_name_resolve: True
mysql_listen_on_ext_int: False
#mysql_db_data:
-# - { name: '{{ mysql_db_name }}', collation: '{{ mysql_default_collation }}', encoding: '{{ mysql_default_encoding }}', user: '{{ mysql_db_user }}', pwd: '{{ mysql_db_pwd }}', user_grant: 'ALL', allowed_hosts: [ 'localhost', 'yyy.yyy.yyy.yyy/32' ] }
+# - { name: '{{ mysql_db_name }}', collation: '{{ mysql_default_collation }}', encoding: '{{ mysql_default_encoding }}', user: '{{ mysql_db_user }}', pwd: '{{ mysql_db_pwd }}', user_grant: 'ALL', allowed_hosts: [ 'localhost', 'yyy.yyy.yyy.yyy/32', 'yyy.yyy.yyy.yyy' ] }
mysql_backup_use_nagios: False
mysql_backup_logdir: '{{ mysql_log_dir }}'
diff --git a/library/roles/mysql/templates/server.cnf.j2 b/library/roles/mysql/templates/server.cnf.j2
index 344d04fb..6606ab03 100644
--- a/library/roles/mysql/templates/server.cnf.j2
+++ b/library/roles/mysql/templates/server.cnf.j2
@@ -16,6 +16,9 @@ net_buffer_length = 8K
read_buffer_size = {{ mysqld_db_read_buffer_size }}
read_rnd_buffer_size = {{ mysql_db_read_rnd_buffer_size }}
myisam_sort_buffer_size = 16M
+{% if mysql_skip_name_resolve %}
+skip-name-resolve
+{% endif %}
{% if mysqld_sql_mode is defined %}
sql_mode = {{ mysqld_sql_mode }}