---

#
# Get mysql facts
#
  - name: Get max_connections on the database
    shell: mysql -e "show variables like 'max_connections';" | grep max_connections | awk '{print $2}'
    register: max_conn
    ignore_errors: true
    when: hostvars[inventory_hostname]['containers'] is not defined

  - name: Get max_connections on the database
    shell: docker exec mysql cat /etc/my.cnf.d/galera.cnf| grep max_connections | awk -F ' = ' '{print $2}'
    register: max_conn_container
    ignore_errors: true
    when: hostvars[inventory_hostname]['containers'] is defined

  - name: Set max database connections
    set_fact:
      openstack_mysql_max_connections: "{{ max_conn.stdout }}"
    when: hostvars[inventory_hostname]['containers'] is not defined

  - name: Set max database connections
    set_fact:
      openstack_mysql_max_connections: "{{ max_conn_container.stdout }}"
    when: hostvars[inventory_hostname]['containers'] is defined

  - name : Get file descriptors for the mysql process
    shell: cat /proc/$(pgrep mysqld_safe)/limits | grep "open files" | awk '{print $4}'
    register: mysql_desc

  - name: Set file descriptors fact for mysql
    set_fact:
      openstack_mysql_file_descriptors: "{{ mysql_desc.stdout }}"