PR geerlingguy#367: Update CentOS / RHEL 8 support.

Author: geerlingguy

.travis.yml

@@ -6,6 +6,7 @@ env:
   global:
     - ROLE_NAME: mysql
   matrix:
+    - MOLECULE_DISTRO: centos8
     - MOLECULE_DISTRO: centos7
     - MOLECULE_DISTRO: centos6
     - MOLECULE_DISTRO: ubuntu1804

tasks/setup-RedHat.yml

@@ -5,13 +5,3 @@
     state: present
     enablerepo: "{{ mysql_enablerepo | default(omit, true) }}"
   register: rh_mysql_install_packages
-
-- name: Determine required MySQL Python libraries
-  set_fact:
-    rhel_mysql_python_package: "{% if ansible_distribution_major_version|int >= 8 %}['python3-PyMySQL','python2-PyMySQL']{% else %}MySQL-python{% endif %}"
-
-- name: Ensure MySQL Python libraries are installed.
-  yum:
-    name: "{{ rhel_mysql_python_package }}"
-    state: present
-    enablerepo: "{{ mysql_enablerepo | default(omit, true) }}"

vars/RedHat-8.yml

@@ -3,12 +3,7 @@ __mysql_daemon: mariadb
 __mysql_packages:
   - mariadb
   - mariadb-server
-  # mariadb-libs not available, but mariadb-connector-c can be a replacement
-  # See https://bugzilla.redhat.com/show_bug.cgi?id=1494910#c2
   - mariadb-connector-c
-  # MySQL-python replaced by the following packages,
-  # See https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/considerations_in_adopting_rhel_8/index#package-replacements_changes-to-packages
-  - python2-PyMySQL
   - python3-PyMySQL
   - perl-DBD-MySQL
 __mysql_slow_query_log_file: /var/log/mysql-slow.log
@@ -18,6 +13,6 @@ __mysql_pid_file: /var/run/mariadb/mariadb.pid
 __mysql_config_file: /etc/my.cnf
 __mysql_config_include_dir: /etc/my.cnf.d
 __mysql_socket: /var/lib/mysql/mysql.sock
-# The entries controlled by this value should not be used MariaDB >= 10.2.2
+# The entries controlled by this value should not be used with MariaDB >= 10.2.2
 # See https://github.com/frappe/bench/issues/681#issuecomment-398984706
 __mysql_supports_innodb_large_prefix: false