Add tags attribute to the tasks
Add tags attribute to the tasks

Currently If user wants to provision a specific setup
(for exaplme setup prmoter server) from serevrs_setup.yaml
playbook then it's not possible.

This patch solves above problem by adding 'tags' attribute to each
task which will allow user to provision a specidic setup from
severs_setup.yaml playbook.

Change-Id: Ie4a8ac4b31826212822f371296c1833848c4ba87
Signed-off-by: Bhagyashri Shewale <5eb1edc8310bfa5f8f3bcffb5d5ad65aaef16ffd@redhat.com>

redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config