Add ability to collect sosreport logs

- RFE from tripleo-collect-logs issue #6[1]

[1] - https://github.com/redhat-openstack/ansible-role-tripleo-collect-logs/issues/6

Change-Id: I32d7c0063d8576ce331989c4bcd2f3583ac394cc

README.md

@@ -93,6 +93,8 @@ artcl_create_docs_payload:
   remove the uploaded objects, the default is 2678400 seconds = 31 days.
 * `artcl_artifact_url` -- a HTTP URL at which the uploaded logs will be
   accessible after upload.
+* `artcl_collect_sosreport` -- true/false -- If true, create and collect a
+  sosreport for each host.
 
 Example Playbook
 ----------------
@@ -122,6 +124,14 @@ has several simple rules:
    `## ` removed. This is how and where general rST formatting is added.
 5. All other lines, including shell comments, will be indented by four spaces.
 
+Enabling sosreport Collection
+-----------------------------
+
+[sosreport](https://github.com/sosreport/sos) is a unified tool for collecting
+system logs and other debug information. To enable creation of sosreport(s)
+with this role, create a custom config (you can use centosci-logs.yml
+as a template) and ensure that `artcl_collect_sosreport: true` is set.
+
 License
 -------
 

defaults/main.yml

@@ -6,6 +6,7 @@ artcl_collect_list:
   - /var/lib/mysql
   - /var/lib/heat-config/heat-config-puppet/
   - /var/lib/heat-config/heat-config-script/
+  - /var/tmp/sosreport*
   - /etc/
   - /home/stack/.instack/install-undercloud.log
   - /home/stack/stackrc
@@ -42,6 +43,8 @@ artcl_use_swift: false
 artcl_swift_delete_after: 2678400
 artcl_swift_container: logs
 
+artcl_collect_sosreport: false
+
 ## Doc generation specific vars
 artcl_gen_docs: false
 artcl_docs_source_dir: "{{ local_working_dir }}/usr/local/share/ansible/roles/tripleo-collect-logs/docs/source"

tasks/collect.yml

@@ -125,6 +125,15 @@
       set_fact:
         oom_killer_problems_found: "{{ result.stdout_lines }}"
 
+    - name: Ensure sos package is installed when collect sosreport(s)
+      yum: name=sos state=present
+      when: artcl_collect_sosreport|bool
+
+    - name: Collect sosreport
+      command: >
+        sosreport --batch
+      when: artcl_collect_sosreport|bool
+
     - name: Erase temporary log directory if exists
       file:
         path: "/tmp/{{ inventory_hostname }}"