Stage openstack config files

Stage config files from openstack and all projects used by the
devstack run.

Change-Id: I99f1bc71856b0da7fc5b438d13d4f508d2341e44

playbooks/post.yaml

@@ -20,6 +20,7 @@
   roles:
     - export-devstack-journal
     - apache-logs-conf
+    - devstack-project-conf
     - role: stage-output
       zuul_copy_output:
         { '{{ devstack_conf_dir }}/local.conf': 'logs',
@@ -32,6 +33,7 @@
           '{{ stage_dir }}/verify_tempest_conf.log': 'logs',
           '{{ stage_dir }}/apache': 'logs',
           '{{ stage_dir }}/apache_config': 'logs',
+          '{{ stage_dir }}/etc': 'logs',
           '/var/log/rabbitmq': 'logs',
           '/var/log/postgresql': 'logs',
           '/var/log/mysql.err': 'logs',

roles/devstack-project-conf/README.rst

@@ -0,0 +1,11 @@
+Prepare OpenStack project configurations for staging
+
+Prepare all relevant config files for staging.
+This is helpful to avoid staging the entire /etc.
+
+**Role Variables**
+
+.. zuul:rolevar:: stage_dir
+   :default: {{ ansible_user_dir }}
+
+   The base stage directory.

roles/devstack-project-conf/defaults/main.yaml

@@ -0,0 +1 @@
+stage_dir: "{{ ansible_user_dir }}"

roles/devstack-project-conf/tasks/main.yaml

@@ -0,0 +1,24 @@
+- name: Ensure {{ stage_dir }}/etc exists
+  file:
+    path: "{{ stage_dir }}/etc"
+    state: directory
+
+- name: Check which projects have a config folder
+  stat:
+    path: "/etc/{{ item.value.short_name }}"
+  with_dict: "{{ zuul.projects }}"
+  register: project_configs
+
+- name: Copy configuration files
+  command: cp -pRL {{ item.stat.path }} {{ stage_dir }}/etc/{{ item.item.value.short_name }}
+  when: item.stat.exists
+  with_items: "{{ project_configs.results }}"
+
+- name: Check if openstack has a config folder
+  stat:
+    path: "/etc/openstack"
+  register: openstack_configs
+
+- name: Copy configuration files
+  command: cp -pRL /etc/openstack {{ stage_dir }}/etc/
+  when: openstack_configs.stat.exists