Use new in-built database migrations in API

roles/pvc/tasks/patroni/bootstrap.yml

@@ -89,8 +89,5 @@
     - name: import DNS database schema
       command: "psql -U {{ pvc_dns_database_user }} -f /etc/postgresql/powerdns-schema.sql {{ pvc_dns_database_name }}"
 
-    - name: import Provisioner database schema
-      command: "psql -U {{ pvc_prov_database_user }} -f /etc/postgresql/provisioner-schema.sql {{ pvc_prov_database_name }}"
-
   become: yes
   become_user: postgres

roles/pvc/tasks/patroni/main.yml

@@ -69,7 +69,6 @@
     mode: 0640
   with_items:
     - { src: "patroni/powerdns-schema.sql", dest: "/etc/postgresql/powerdns-schema.sql" }
-    - { src: "patroni/provisioner-schema.sql", dest: "/etc/postgresql/provisioner-schema.sql" }
 
 - include: patroni/bootstrap.yml
   run_once: yes

roles/pvc/tasks/pvc/main.yml

@@ -46,9 +46,13 @@
     - pdns.service
     - dnsmasq.service
 
+- name: prepare Patroni database migrations (on all hosts)
+  command: /usr/share/pvc/pvc-api-db-init
+  when: bootstrap is defined and bootstrap and is_coordinator
+
 - include: pvc/bootstrap.yml
-  when: bootstrap is defined and bootstrap
   run_once: yes
+  when: bootstrap is defined and bootstrap and is_coordinator
 
 - name: enable daemon services but don't start them
   service: