Move again the installing of koji pkg on db server

inventory/host_vars/db-aarch64.qa.fedoraproject.org

@@ -9,7 +9,3 @@ eth0_ip: 10.5.124.148
 vmhost: virthost-comm02.qa.fedoraproject.org
 datacenter: phx2
 is_kojidb: True
-# Install normal global packages + koji for db schema
-global_pkgs_inst: ['koji', 'bind-utils', 'joe', 'mailx', 'nc', 'openssh-clients',
-                   'patch', 'postfix', 'rsync', 'strace', 'telnet',
-                   'tmpwatch', 'traceroute', 'vim-enhanced', 'xz', 'zsh' ]

roles/postgresql_server/tasks/main.yml

@@ -12,6 +12,12 @@
   tags:
   - packages
 
+- name: install koji package on koji db servers for schema
+  yum: name=koji state=installed
+  tags:
+  - packages
+  only_if: '$is_kojidb'
+
 - name: initialize postgresql
   command: service postgresql initdb
            creates=/var/lib/pgsql/data/postgresql.conf
@@ -25,6 +31,7 @@
   - restart postgresql
   tags:
   - config
+  only_if: '$is_kojidb'
 
 - name: Set postgresql-server to run on boot
   service: name=postgresql enabled=yes