Add all hosts to known_hosts automatically

	- optimize known_hosts.present state
	- add ability to define port
	- remove undefined known_hosts if enabled

Related: PROD-25697

Change-Id: Idbaeac91d271693905b53eccf8f6249e7aa274e7
(cherry picked from commit 186b01fb589c04baa2b7eedf0532d1824dbab8f8)
5 files changed