Fix implementation of kayobe seed hypervisor host package update

Change-Id: Ib869ae5146948abcb11eb20691ccc2311db24bb1
Story: 2008458
Task: 41485

ansible/host-package-update.yml

 ---
 - name: Update host packages
-  hosts: seed:overcloud
+  hosts: seed-hypervisor:seed:overcloud
   vars:
     # Optionally set this to a list of packages to update. Default behaviour is
     # to update all packages.

releasenotes/notes/seed-hypervisor-host-package-update-fix-9411205aadc92b8f.yaml

+---
+fixes:
+  - |
+    Fix the implementation of the ``kayobe seed hypervisor host package
+    update`` command, which was incomplete. See `story 2008458
+    <https://storyboard.openstack.org/#!/story/2008458>`__ for details.

setup.cfg

@@ -85,6 +85,7 @@ kayobe.cli=
     seed_host_upgrade = kayobe.cli.commands:SeedHostUpgrade
     seed_hypervisor_host_configure = kayobe.cli.commands:SeedHypervisorHostConfigure
     seed_hypervisor_host_command_run = kayobe.cli.commands:SeedHypervisorHostCommandRun
+    seed_hypervisor_host_package_update = kayobe.cli.commands:SeedHypervisorHostPackageUpdate
     seed_hypervisor_host_upgrade = kayobe.cli.commands:SeedHypervisorHostUpgrade
     seed_service_deploy = kayobe.cli.commands:SeedServiceDeploy
     seed_service_upgrade = kayobe.cli.commands:SeedServiceUpgrade
@@ -185,6 +186,8 @@ kayobe.cli.seed_hypervisor_host_configure =
     hooks = kayobe.cli.commands:HookDispatcher
 kayobe.cli.seed_hypervisor_host_command_run =
     hooks = kayobe.cli.commands:HookDispatcher
+kayobe.cli.seed_hypervisor_host_package_update =
+    hooks = kayobe.cli.commands:HookDispatcher
 kayobe.cli.seed_hypervisor_host_upgrade =
     hooks = kayobe.cli.commands:HookDispatcher
 kayobe.cli.seed_service_deploy =