Add option to redefine locale

Since CentOS do not support C.UTF-8 locale[1] we're placing system
default inside openrc file. If locale can't be found from gathered facts
it's defaulted to C.UTF-8.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1361965

Change-Id: I304bacf0e586b119ac41757b96fa237d2839aaf5

defaults/main.yml

@@ -47,3 +47,5 @@ openrc_clouds_yml_file_dest: "{{ openrc_openstack_client_config_dir_dest }}/clou
 openrc_clouds_yml_file_owner: "{{ ansible_user_id }}"
 openrc_clouds_yml_file_group: "{{ ansible_user_id }}"
 openrc_clouds_yml_file_mode: "0600"
+
+openrc_locale: "{{ ansible_facts.env.LANG | default('C.UTF-8') }}"

templates/openrc.j2

@@ -1,5 +1,5 @@
 # {{ ansible_managed }}
-export LC_ALL=C.UTF-8
+export LC_ALL={{ openrc_locale }}
 
 # COMMON CINDER ENVS
 export CINDER_ENDPOINT_TYPE={{ openrc_cinder_endpoint_type }}