Promote ara-report role and ARA middleware to base-[minimal,test]

The ara-report role and the ARA middleware have individually been
tested and feel ready for production use, let's formally use them
for base-minimal and base-test before promoting to base.

See related patches [1] for details.

[1]: https://review.openstack.org/#/q/topic:ara-sqlite-middleware

Change-Id: I9c95d035f91f2e3a76cf11d6f5ef54b3f0892363

playbooks/base-minimal/post-logs.yaml

@@ -2,7 +2,7 @@
   roles:
     - role: add-fileserver
       fileserver: "{{ site_logs }}"
-    - emit-ara-html
+    - role: ara-report
 
 - hosts: "{{ site_logs.fqdn }}"
   roles:

zuul.d/jobs.yaml

@@ -89,7 +89,8 @@
     roles:
       - zuul: openstack-infra/zuul-jobs
     vars:
-      ara_generate_html: failure
+      ara_report_type: database
+      ara_report_path: ara-report
     timeout: 1800
     post-timeout: 1800
     nodeset:
@@ -116,6 +117,9 @@
       - zuul: openstack-infra/openstack-zuul-jobs
     timeout: 1800
     post-timeout: 1800
+    vars:
+      ara_report_type: database
+      ara_report_path: ara-report
     nodeset:
       nodes:
         - name: ubuntu-xenial