Merge PR #40888 into master

* refs/pull/40888/head:
	qa/tasks/cephadm: ignore --keep-logs failure
	qa/tasks/cephadm: use yaml.dump_all()
	qa/suites/rados/cephadm/smoke-*: use cephadm.wait_for_service
	qa/tasks/cephadm: tear down clsuter before gathering logs
	qa/suites/rados/cephadm/smoke-roleless: test rgw-ingress
	mgr/cephadm: remove virtual_ip check during scheduling
	mgr/orchestrator: orch ls: leave off virtual_ip prefixlen
	qa/tasks/cephadm: add wait_for_service
	qa/tasks/cephadm: allow skip_monitor_stack=true
	qa/tasks/cephadm: do subst_vip for cephadm.shell and .apply
	qa/tasks/vip: add vip task to allocate virtual IPs
	qa/suites/rados/cephadm/smoke-roleless: add rgw-ingress test case
	qa/tasks/cephadm: shell: take 'all-roles' or 'all-hosts'
	qa/tasks/cephadm: let cephadm.shell take string or list

Reviewed-by: Sebastian Wagner <swagner@suse.com>