Add support for dependent changes

Incorperate support for processing the ZUUL_CHANGES environment
variable in the OpenStack CI system such that dependent or triggered
changes for Ironic, Shade, or python-ironicclient are incorporated
for testing.

playbooks/roles/ironic-install/tasks/ironic_source_download.yaml

@@ -1,22 +0,0 @@
-# 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: "Downloading Ironic"
-  command: git clone https://git.openstack.org/openstack/ironic chdir=/opt/stack creates=/opt/stack/ironic
-- name: "Ironic - checking out master branch"
-  command: git checkout -f master chdir=/opt/stack/ironic
-- name: "Ironic - resetting master branch"
-  command: git reset --hard master chdir=/opt/stack/ironic
-- name: "Ironic - resyncing to current master branch"
-  command: git pull --ff-only chdir=/opt/stack/ironic/

playbooks/roles/ironic-install/tasks/ironicclient_source_install.yml

@@ -15,15 +15,14 @@
 ---
 - name: "python-ironicclient - Retrieving library from git.openstack.org"
   command: git clone https://review.openstack.org/openstack/python-ironicclient chdir=/opt/stack creates=/opt/stack/python-ironicclient
-  when: ci_testing == false
 - name: "python-ironicclient - Checking out master branch"
   command: git checkout -f master chdir=/opt/stack/python-ironicclient
-  when: ci_testing == false
 - name: "python-ironicclient - Resetting local repository"
   command: git reset --hard master chdir=/opt/stack/python-ironicclient
-  when: ci_testing == false
 - name: "python-ironicclient - Resyncing local repository"
   command: git pull --ff-only chdir=/opt/stack/python-ironicclient
-  when: ci_testing == false
+- name: "python-ironicclient - Apply CI changes if necessary"
+  script: parse_zuul_changes.py /opt/stack/python-ironicclient https://review.openstack.org openstack/python-ironicclient "{{ lookup('env', 'ZUUL_CHANGES') }}"
+  when: ci_testing == true
 - name: "python-ironicclient - Installing patched python-ironicclient library."
   command: pip install -I --force-reinstall /opt/stack/python-ironicclient

playbooks/roles/ironic-install/tasks/main.yml

@@ -34,11 +34,17 @@
     - sgabios
 - name: "Ensuring /opt/stack is present"
   file: name=/opt/stack state=directory owner=root group=root
-- name: "Install Ironic"
-  # NOTE(TheJulia): In the event of CI testing, we should expect the code to
-  # already be in place.
-  include: ironic_source_download.yaml
-  when: ci_testing == false
+- name: "Downloading Ironic"
+  command: git clone https://git.openstack.org/openstack/ironic chdir=/opt/stack creates=/opt/stack/ironic
+- name: "Ironic - checking out master branch"
+  command: git checkout -f master chdir=/opt/stack/ironic
+- name: "Ironic - resetting master branch"
+  command: git reset --hard master chdir=/opt/stack/ironic
+- name: "Ironic - resyncing to current master branch"
+  command: git pull --ff-only chdir=/opt/stack/ironic/
+- name: "Ironic - Apply CI changes if necessary"
+  script: parse_zuul_changes.py /opt/stack/ironic https://review.openstack.org openstack/ironic "{{ lookup('env', 'ZUUL_CHANGES') }}"
+  when: ci_testing == true
 - name: "Ironic Client - Install from source if configured to do so."
   include: ironicclient_source_install.yml
   when: skip_install is not defined and ((ironicclient_source_install is defined and ironicclient_source_install == true) or ci_testing == true)

playbooks/roles/ironic-install/tasks/shade_source_install.yml

@@ -15,15 +15,14 @@
 ---
 - name: "Shade - Retrieving library from git.openstack.org"
   command: git clone https://review.openstack.org/openstack-infra/shade chdir=/opt/stack creates=/opt/stack/shade
-  when: ci_testing == false
 - name: "Shade - Checking out master branch"
   command: git checkout -f master chdir=/opt/stack/shade
-  when: ci_testing == false
 - name: "Shade - Resetting local repository"
   command: git reset --hard master chdir=/opt/stack/shade
-  when: ci_testing == false
 - name: "Shade - Resyncing local repository"
   command: git pull --ff-only chdir=/opt/stack/shade
-  when: ci_testing == false
+- name: "Shade - Apply CI changes if necessary"
+  script: parse_zuul_changes.py /opt/stack/shade https://review.openstack.org openstack-infra/shade "{{ lookup('env', 'ZUUL_CHANGES') }}"
+  when: ci_testing == true
 - name: "Shade - Installing patched shade library."
   command: pip install -I --force-reinstall /opt/stack/shade