inisital commit

lamp_ubuntu1804_2hosts_withroles/roles/db/templates/my.cnf.j2

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+[mysqld]
+datadir=/var/lib/mysql
+socket=/var/lib/mysql/mysql.sock
+user=mysql
+# Disabling symbolic-links is recommended to prevent assorted security risks
+symbolic-links=0
+port={{ mysql_port }}
+bind-address = 0.0.0.0
+
+[mysqld_safe]
+log-error=/var/log/mysqld.log
+pid-file=/var/run/mysqld/mysqld.pid