Revert "Fix container hostname for RFC 1034/1035"

This reverts commit 9a737adb97.
It will be reimplemented within the lxc_container_create role.

Change-Id: I921a6acbddbc765a81fa2aaed5b24307870ad26d
Depends-On: I9e72699354a467478742281cab74690e66b6a652

playbooks/inventory/group_vars/hosts.yml

@@ -45,7 +45,6 @@ keystone_external_ssl: "{{ openstack_external_ssl }}"
 horizon_external_ssl: "{{ openstack_external_ssl }}"
 
 ## LXC options
-lxc_container_domain: "openstack.local"
 lxc_container_caches:
   - url: "https://rpc-repo.rackspace.com/container_images/rpc-trusty-container.tgz"
     name: "trusty.tgz"

playbooks/lxc-containers-create.yml

@@ -30,28 +30,5 @@
         delay: 1
       tags:
         - lxc-container-wait-for-ssh
-    - name: Create domain config
-      lineinfile:
-        dest: "/etc/hosts"
-        regexp: "^127.0.1.1"
-        line: "127.0.1.1 {{ inventory_hostname | replace('_', '-') }}.{{ lxc_container_domain }} {{ inventory_hostname | replace('_', '-') }}"
-        owner: "root"
-        group: "root"
-        mode: "0644"
-      tags:
-        - lxc-container-hostname
-    - name: Create hostname
-      copy:
-        dest: "/etc/hostname"
-        content: "{{ inventory_hostname | replace('_', '-') }}"
-        owner: "root"
-        group: "root"
-        mode: "0644"
-      tags:
-        - lxc-container-hostname
-    - name: Setup hostname
-      command: hostname -F /etc/hostname
-      tags:
-        - lxc-container-hostname
   vars:
     is_metal: "{{ properties.is_metal|default(false) }}"

releasenotes/notes/RFC-1034-and-1035-container-update-6e880e4b45e11cf0.yaml

@@ -1,15 +0,0 @@
----
-features:
-  - LXC containers will now have a proper RFC1034/5 hostname set during post
-    build tasks. A localhost entry for 127.0.1.1 will be created by converting
-    all of the "_" in the ``inventory_hostname`` to "-". Containers will be
-    created with a default domain of *openstack.local*.
-    This domain name can be customized to meet your deployment needs by
-    setting the option ``lxc_container_domain``.
-upgrade:
-  - LXC containers will now have a proper RFC1034/5 hostname set during post
-    build tasks. A localhost entry for 127.0.1.1 will be created by converting
-    all of the "_" in the ``inventory_hostname`` to "-". Containers will be
-    created with a default domain of *openstack.local*.
-    This domain name can be customized to meet your deployment needs by
-    setting the option ``lxc_container_domain``.