Skip docker registry login by default, login only when pulp is deployed

Author: MoteHue

etc/kayobe/ansible/pulp-docker-registry-login.yml

@@ -0,0 +1,9 @@
+---
+- name: Login to docker registry
+  docker_login:
+    registry_url: "{{ kolla_docker_registry or omit }}"
+    username: "{{ kolla_docker_registry_username }}"
+    password: "{{ kolla_docker_registry_password }}"
+    reauthorize: yes
+  when:
+    - seed_pulp_container_enabled | bool

etc/kayobe/environments/aufn-ceph/a-universe-from-nothing.sh

@@ -87,7 +87,7 @@ kayobe seed vm provision
 kayobe seed host configure
 
 # Deploy local pulp server as a container on the seed VM
-kayobe seed service deploy --tags seed-deploy-containers --kolla-tags none -e deploy_containers_registry_attempt_login=False
+kayobe seed service deploy --tags seed-deploy-containers --kolla-tags
 
 # Deploying the seed restarts networking interface, run configure-local-networking.sh again to re-add routes.
 $KAYOBE_CONFIG_PATH/environments/$KAYOBE_ENVIRONMENT/configure-local-networking.sh

etc/kayobe/hooks/seed-service-deploy/post.d/10-pulp-docker-registry-login.yml

@@ -0,0 +1 @@
+../../../ansible/pulp-docker-registry-login.yml

etc/kayobe/inventory/group_vars/seed/docker-registry

@@ -0,0 +1,7 @@
+---
+###############################################################################
+# Seed node docker regsitry configuration.
+
+# Whether to attempt a basic authentication login to a registry when
+# deploying seed containers
+deploy_containers_registry_attempt_login: False