Adding basic role to unprovision nodes

Added a basic role which, in the same style as other roles,
unprovisions the nodes created.

Added to the test-bifrost.yaml playbook as it will be useful
in the testing sequence.

roles/bifrost-unprovision-nodes/README.md

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+bifrost-unprovision-nodes
+=========================
+
+This role unprovisions nodes.  Essentially calls `ironic node-set-provisioned-state <uuid> deleted`
+
+
+Requirements
+------------
+
+An enrolled node, and a baremetal.csv file provided via the environment variable baremetal_csv_file.
+
+Role Variables
+--------------
+
+TODO
+
+Dependencies
+------------
+
+TODO
+
+Example Playbook
+----------------
+
+TODO
+
+License
+-------
+
+Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
+
+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 orimplied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Author Information
+------------------
+
+Ironic Developers

roles/bifrost-unprovision-nodes/defaults/main.yml

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+---
+# defaults file for bifrost-unprovision-nodes

roles/bifrost-unprovision-nodes/handlers/main.yml

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+---
+# handlers file for bifrost-unprovision-nodes

roles/bifrost-unprovision-nodes/meta/main.yml

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+---
+galaxy_info:
+  author: Ironic Developers
+  description: 
+  company: OpenStack
+  license: Apache
+  min_ansible_version: 1.9
+  #
+  # Below are all platforms currently available. Just uncomment
+  # the ones that apply to your role. If you don't see your 
+  # platform on this list, let us know and we'll get it added!
+  #
+  platforms:
+  #- name: EL
+  #  versions:
+  #  - all
+  #  - 5
+  #  - 6
+  #  - 7
+  #- name: GenericUNIX
+  #  versions:
+  #  - all
+  #  - any
+  #- name: Fedora
+  #  versions:
+  #  - all
+  #  - 16
+  #  - 17
+  #  - 18
+  #  - 19
+  #  - 20
+  #- name: SmartOS
+  #  versions:
+  #  - all
+  #  - any
+  #- name: opensuse
+  #  versions:
+  #  - all
+  #  - 12.1
+  #  - 12.2
+  #  - 12.3
+  #  - 13.1
+  #  - 13.2
+  #- name: Amazon
+  #  versions:
+  #  - all
+  #  - 2013.03
+  #  - 2013.09
+  #- name: GenericBSD
+  #  versions:
+  #  - all
+  #  - any
+  #- name: FreeBSD
+  #  versions:
+  #  - all
+  #  - 8.0
+  #  - 8.1
+  #  - 8.2
+  #  - 8.3
+  #  - 8.4
+  #  - 9.0
+  #  - 9.1
+  #  - 9.1
+  #  - 9.2
+  #- name: Ubuntu
+  #  versions:
+  #  - all
+  #  - lucid
+  #  - maverick
+  #  - natty
+  #  - oneiric
+  #  - precise
+  #  - quantal
+  #  - raring
+  #  - saucy
+    - trusty
+  #- name: SLES
+  #  versions:
+  #  - all
+  #  - 10SP3
+  #  - 10SP4
+  #  - 11
+  #  - 11SP1
+  #  - 11SP2
+  #  - 11SP3
+  #- name: GenericLinux
+  #  versions:
+  #  - all
+  #  - any
+  #- name: Debian
+  #  versions:
+  #  - all
+  #  - etch
+  #  - lenny
+  #  - squeeze
+  #  - wheezy
+  #
+  # Below are all categories currently available. Just as with
+  # the platforms above, uncomment those that apply to your role.
+  #
+  categories:
+  - cloud
+  - cloud:openstack
+  #- cloud:gce
+  #- cloud:rax
+  #- clustering
+  #- database
+  #- database:nosql
+  #- database:sql
+  #- development
+  #- monitoring
+  #- networking
+  #- packaging
+  #- system
+  #- web
+dependencies: []

roles/bifrost-unprovision-nodes/tasks/main.yml

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+# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+---
+- name: "Unprovision node"
+  os_ironic_node:
+    auth_plugin: None
+    auth: None
+    ironic_url: "{{ ironic_url }}"
+    uuid: "{{item.split(',')[9]}}"
+    state: absent
+    instance_info: "{}"
+  delegate_to: localhost
+  with_lines:
+    - cat {{ baremetal_csv_file }}

roles/bifrost-unprovision-nodes/vars/main.yml

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+---
+# vars file for bifrost-unprovision-nodes

test-bifrost.yaml

@@ -38,9 +38,16 @@
 # The testvm Host group is added by bifrost-prepare-for-test based
 # on the contents of the CSV file.
 - hosts: testvm
-  name: "Executes install, enrollment, and testing in one playbook"
+  name: "Tests connectivity to the VM"
   sudo: no
   gather_facts: yes
   remote_user: ubuntu
   roles:
     - role: bifrost-test-vm
+- hosts: localhost
+  connection: local
+  name: "Unprovisions the test node"
+  sudo: no
+  gather_facts: yes
+  roles:
+    - role: bifrost-unprovision-nodes