copr: provision: provide spawner role

roles/copr/backend/files/provision/builderpb-aws-x86_64.yml

@@ -2,6 +2,9 @@
   hosts: 127.0.0.1
   gather_facts: False
 
+  roles:
+    - { role: spawner, arch: x86_64 }
+
   vars_files:
     - vars.yml
     - aws_cloud_vars.yml
@@ -11,7 +14,6 @@
     instance_type: i3.large
     security_group: ssh-only
     region: us-east-1
-    vm_name: "copr-builder-x86_64-{{ builder_uniq_suffix }}"
     max_spawn_time: 1100
     spawning_vm_user: "fedora"
     image_name: "{{ builder_images.aws.x86_64 }}"

roles/copr/backend/files/provision/roles/spawner/tasks/main.yml

@@ -0,0 +1,6 @@
+- name: generate unique builder name
+  local_action: shell date +"%Y%m%d_%H%M%S_%N"
+  register: date
+
+- name: set vm_name variable
+  set_fact: vm_name="copr-builder-{{ arch }}-{{ date.stdout }}"