Implement CentOS 7 support in os_glance

This change implements CentOS 7 support within the os_glance role.

Change-Id: I65d8e66673f5372fe880680a035842ffcd775ac2
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
Co-Authored-By: Major Hayden <major@mhtx.net>
Co-Authored-By: Marc Gariepy <gariepy.marc@gmail.com>

manual-test.rc

@@ -0,0 +1,22 @@
+export VIRTUAL_ENV=$(pwd)
+export ANSIBLE_HOST_KEY_CHECKING=False
+export ANSIBLE_SSH_CONTROL_PATH=/tmp/%%h-%%r
+
+# TODO (odyssey4me) These are only here as they are non-standard folder
+# names for Ansible 1.9.x. We are using the standard folder names for
+# Ansible v2.x. We can remove this when we move to Ansible 2.x.
+export ANSIBLE_ACTION_PLUGINS=${HOME}/.ansible/plugins/action
+export ANSIBLE_CALLBACK_PLUGINS=${HOME}/.ansible/plugins/callback
+export ANSIBLE_FILTER_PLUGINS=${HOME}/.ansible/plugins/filter
+export ANSIBLE_LOOKUP_PLUGINS=${HOME}/.ansible/plugins/lookup
+
+# This is required as the default is the current path or a path specified
+# in ansible.cfg
+export ANSIBLE_LIBRARY=${HOME}/.ansible/plugins/library
+
+# This is required as the default is '/etc/ansible/roles' or a path
+# specified in ansible.cfg
+export ANSIBLE_ROLES_PATH=${HOME}/.ansible/roles:$(pwd)/..
+
+echo "Run manual functional tests by executing the following:"
+echo "# ./.tox/functional/bin/ansible-playbook -i tests/inventory tests/test.yml -e \"rolename=$(pwd)\""

meta/main.yml

@@ -24,6 +24,9 @@ galaxy_info:
       versions:
         - trusty
         - xenial
+    - name: EL
+      versions:
+        - 7
   categories:
     - cloud
     - python

releasenotes/notes/glance-packages-rename-abd348b0725e4b7b.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - The ``glance_apt_packages`` variable has been renamed to
+    ``glance_distro_packages`` so that it applies to multiple operating systems.

releasenotes/notes/os_glance-centos7-support-21cb81e361831c9f.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - CentOS7/RHEL support has been added to the os_glance
+    role.

tasks/glance_install.yml

@@ -17,6 +17,10 @@
   when:
     - ansible_pkg_mgr == 'apt'
 
+- include: glance_install_yum.yml
+  when:
+    - ansible_pkg_mgr == 'yum'
+
 - name: Create developer mode constraint file
   copy:
     dest: "/opt/developer-pip-constraints.txt"

tasks/glance_install_yum.yml

@@ -0,0 +1,24 @@
+---
+# Copyright 2016, Rackspace US, Inc.
+#
+# 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: Install yum packages
+  yum:
+    pkg: "{{ item }}"
+    state: "{{ glance_package_state }}"
+  register: install_packages
+  until: install_packages|success
+  retries: 5
+  delay: 2
+  with_items: "{{ glance_distro_packages }}"

tasks/main.yml

@@ -20,6 +20,7 @@
     - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
     - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
     - "{{ ansible_distribution | lower }}.yml"
+    - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
     - "{{ ansible_os_family | lower }}.yml"
   tags:
     - always

tests/test-install-glance.yml

@@ -39,7 +39,7 @@
       mysql_db:
         login_user: "root"
         login_password: "secrete"
-        login_host: "localhost"
+        login_host: "{{ glance_galera_address }}"
         name: "{{ glance_galera_database }}"
         state: "present"
       delegate_to: "10.100.100.2"
@@ -48,7 +48,7 @@
       mysql_user:
         login_user: "root"
         login_password: "secrete"
-        login_host: "localhost"
+        login_host: "{{ glance_galera_address }}"
         name: "{{ glance_galera_database }}"
         password: "{{ glance_container_mysql_password }}"
         host: "{{ item }}"

tests/test-install-keystone.yml

@@ -39,7 +39,7 @@
       mysql_db:
         login_user: "root"
         login_password: "secrete"
-        login_host: "localhost"
+        login_host: "{{ keystone_galera_address }}"
         name: "{{ keystone_galera_database }}"
         state: "present"
       delegate_to: "10.100.100.2"
@@ -48,7 +48,7 @@
       mysql_user:
         login_user: "root"
         login_password: "secrete"
-        login_host: "localhost"
+        login_host: "{{ keystone_galera_address }}"
         name: "{{ keystone_galera_database }}"
         password: "{{ keystone_container_mysql_password }}"
         host: "{{ item }}"

tests/test-prepare-host.yml

@@ -16,6 +16,11 @@
 - name: Perform basic LXC host setup
   hosts: localhost
   pre_tasks:
+    - name: Ensure apt cache is always refreshed
+      apt:
+        update_cache: yes
+      when:
+        - ansible_pkg_mgr == 'apt'
     - name: Ensure root's new public ssh key is in authorized_keys
       authorized_key:
         user: root
@@ -31,7 +36,13 @@
       set_fact:
         lxc_container_cache_files:
           - { src: '/etc/pip.conf', dest: '/etc/pip.conf' }
-      when: nodepool.stat.exists | bool
+      when:
+        - nodepool.stat.exists | bool
+    - name: install the epel repo rpm from a remote repo
+      yum:
+        name: "https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm"
+        state: "present"
+      when: ansible_pkg_mgr == 'yum'
   roles:
     - role: "lxc_hosts"
       lxc_net_address: 10.100.100.1

vars/redhat-7.yml

@@ -0,0 +1,21 @@
+# Copyright 2016, Intel Corporation.
+#
+# 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.
+
+glance_distro_packages:
+  - cronie
+  - cronie-anacron
+  - rpcbind
+  - rsync
+  - git
+  - nfs-utils