Add support for Debian Bullseye

There is no offical MariaDB build for bullseye so we must use
the version from the operating system repo.

Change-Id: I46f9d73ac27928edf4236fd797afde6e5ea9427e

tasks/galera_install_apt.yml

@@ -42,6 +42,7 @@
     state: absent
   with_items:
     - { name: "MariaDB", repo: "{{ galera_repo.repo }}" }
+  when: galera_repo.repo is defined
 
 - name: Add galera repo
   apt_repository:
@@ -50,6 +51,7 @@
     state: "{{ galera_repo.state }}"
     update_cache: no
   register: add_galera_repo
+  when: galera_repo.repo is defined
 
 - name: Preseed galera password(s)
   debconf:

vars/debian-11.yml

@@ -0,0 +1,85 @@
+---
+# Copyright 2016, Rackspace US, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+## APT Cache Options
+cache_timeout: 600
+
+# Default private device setting
+_galera_disable_privatedevices: yes
+
+# Galera GPG Keys
+_galera_gpg_keys: []
+
+galera_server_required_distro_packages:
+  - apt-transport-https
+  - debconf-utils
+  - libaio1
+  - libc6
+  - libgcc1
+  - libgcrypt20
+  - libstdc++6
+  - python3-pymysql # needed by mysql_user
+  - software-properties-common
+  - xinetd
+
+galera_etc_conf_file: "/etc/mysql/my.cnf"
+galera_etc_include_dir: "/etc/mysql/conf.d"
+galera_var_run_socket: "/var/run/mysqld/mysqld.sock"
+
+# The package name for mariaDB is set as a variable
+# so that it can be used in debconf later in the
+# "galera_common" role.
+_galera_mariadb_server_package: "mariadb-server-{{ galera_major_version }}"
+
+# NB This is specifically galera_server_mariadb_distro_packages as these
+# packages only get installed during the galera play - this is because of
+# the preseed task and the service startup control used when installing
+# mariadb-galera-server and galera.
+galera_server_mariadb_distro_packages:
+  - libmariadb-dev
+  - mariadb-client-{{ galera_major_version }}
+  - mariadb-backup
+  - "{{ galera_mariadb_server_package }}"
+  - rsync
+  - socat
+
+# The packages to uninstall during an upgrade from a previous version
+galera_server_upgrade_packages_remove:
+  - mariadb-server-*
+  - mariadb-common
+
+galera_debconf_items:
+  - question: "mysql-server/root_password"
+    name: "{{ galera_mariadb_server_package }}"
+    value: "{{ galera_root_password }}"
+    vtype: "string"
+  - question: "mysql-server/root_password_again"
+    name: "{{ galera_mariadb_server_package }}"
+    value: "{{ galera_root_password }}"
+    vtype: "string"
+
+# Repositories
+_galera_repo_url: ''
+_galera_repo: {}
+
+galera_wsrep_provider: "/usr/lib/galera/libgalera_smm.so"
+
+galera_client_distro_packages:
+  - "mariadb-client-{{ galera_major_version }}"
+
+galera_devel_distro_packages:
+  - libmariadb-dev
+
+galera_unix_socket: "/var/run/mysqld/mysqld.sock"