roles/koji-hub: Deploy the Koji Hub

The *koji-hub* role installs and configures the Koji Hub. It requires
Apache and mod_wsgi. Management of client certificates must be done
externally.

roles/koji-hub/handlers/main.yml

@@ -0,0 +1,14 @@
+- name: load koji db schema
+  become: true
+  become_user: koji
+  shell:
+    psql {{ koji_db_name }} -f /usr/share/doc/koji-*/docs/schema.sql;
+- name: create koji admin user
+  become: true
+  become_user: koji
+  command: >-
+    psql {{ koji_db_name }} -c "WITH newuser AS (
+      INSERT INTO users (name, status, usertype)
+      VALUES ('{{ koji_admin_user }}', 0, 0) RETURNING id)
+      INSERT INTO user_perms (user_id, perm_id, creator_id)
+      SELECT id, 1, id FROM newuser;"