openqa: allow specifying asset size limit

this is a database value and there's no openQA API function to
set it, so we have to do it directly in the database...this
*should* work. I think. I should add equivalent functionality
for sqlite use as well, really...

inventory/group_vars/openqa-stg

@@ -24,6 +24,7 @@ openqa_dbname: openqa-stg
 openqa_dbhost: db-qa01.qa.fedoraproject.org
 openqa_dbuser: openqastg
 openqa_dbpassword: "{{ stg_openqa_dbpassword }}"
+openqa_assetsize: 300
 
 openqa_workers: 3
 

roles/openqa/server/tasks/main.yml

@@ -26,6 +26,9 @@
 ##       string - The database username
 # - openqa_dbpassword
 ##       string - The database password
+# - openqa_assetsize
+##       int - the asset size limit to set in GB (upstream default is 100GB)
+##             higher is recommended for normal Fedora testing, 300GB is good
 #
 # If openqa_dbhost is set, the others must be too, and the server will be
 # configured to use a pgsql database accordingly. If openqa_dbhost is not
@@ -224,3 +227,12 @@
   register: testsdiff
   changed_when: "testsdiff.rc > 0"
   failed_when: "1 != 1"
+
+- name: Set asset size limit (if specified) (pgsql)
+  delegate_to: "{{ openqa_dbhost }}"
+  become_user: postgres
+  become: true
+  command: "psql -d {{ openqa_dbname }} -c \"UPDATE job_groups SET size_limit_gb = {{ openqa_assetsize }} WHERE size_limit_gb != {{ openqa_assetsize }};\"
+  when: "openqa_dbhost is defined and openqa_assetsize is defined"
+  register: pgsqlsize
+  changed_when: "pgsqlsize.stdout.find('UPDATE 1') != -1"