staging-sync/db-sync: port the playbook to iad2 and make the server argument optional

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

playbooks/manual/staging-sync/db-sync.yml

@@ -4,18 +4,19 @@
 # Usage:
 #  --extra-vars="dbhost='db01' server='pkgdb01.stg' db='pkgdb2'"
 # dbhost => The hostname for the database server (db01, db02...), the
-#           .phx2.fedoraproject.org part is automatically added.
+#           .iad2.fedoraproject.org part is automatically added.
 #           Since this playbook syncs from stg to prod only, it is assumed you
 #           are migrating from dbX to dbX.stg)
 # server => The application server where apache will be turned off during the
 #           sync. /!\ it should be the *stg* server, not prod (the one you want
 #           to load the new DB for)
-#           Can be a full hostname (foo01.phx2.fp.o) or a group, foo-stg
+#           Can be a full hostname (foo01.iad2.fp.o) or a group, foo-stg
 # db     => The database name on both database server (must be the same)
 
 - name: bring staging services down
   hosts: "{{ server }}"
   user: root
+  when: server is defined
   vars_files:
    - /srv/web/infra/ansible/vars/global.yml
    - "/srv/private/ansible/vars.yml"
@@ -27,7 +28,7 @@
   - service: name=httpd state=stopped
 
 - name: dump the prod db out
-  hosts: "{{ dbhost }}.phx2.fedoraproject.org"
+  hosts: "{{ dbhost }}.iad2.fedoraproject.org"
   user: root
   become: yes
   become_user: postgres
@@ -51,7 +52,7 @@
      flat: yes
 
 - name: drop and re-create the staging db entirely
-  hosts: "{{ dbhost }}.stg.phx2.fedoraproject.org"
+  hosts: "{{ dbhost }}.stg.iad2.fedoraproject.org"
   user: root
   become: yes
   become_user: postgres
@@ -81,6 +82,7 @@
 - name: bring staging services up
   hosts: "{{ server }}"
   user: root
+  when: server is defined
   vars_files:
    - /srv/web/infra/ansible/vars/global.yml
    - "/srv/private/ansible/vars.yml"
@@ -92,7 +94,7 @@
   - service: name=httpd state=started
 
 - name: Remove the prod db dump now that we are done
-  hosts: "{{ dbhost }}.phx2.fedoraproject.org"
+  hosts: "{{ dbhost }}.iad2.fedoraproject.org"
   user: root
   become: yes
   become_user: postgres
@@ -110,7 +112,7 @@
     command: rm -f /var/tmp/{{ db }}.dump.xz
 
 - name: Remove the prod db dump on batcave
-  hosts: batcave01.phx2.fedoraproject.org
+  hosts: batcave01.iad2.fedoraproject.org
   user: root
 
   vars_files: