Import utils into unittest.
Reviewed-by: schreiberal
Remove requirement that host names are FQDN
We currently require that hostnames are FQDN not short names(node1.example.com instead of node1). We can allow short names as longas: - we always resolve the names as returned by socket.gethostname() - we rely on having a working resolver...
Cleanup up selective imports for utils and utils unit test.
Reviewed-by: iustinp, imsnah
Added TcpPing to do ping-alike via TCP connect(2) with defined source address.To be used to replace the currently fping(8) based reachability test.
Reviewed-by: imsnah
Fix typo in last commit.
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