This provides nodeinventory (mac and -s most interestingly),
nodepower, nodesetboot (and by extension, nodedeploy -n),
and nodeconsole (console.method=vcenter).
localhost was added to ssh principals, but should not be used
as a candidate in syncfiles.
The syncfileclient should already be filtering this possibility,
but best to filter it everywhere that makes sense.
A node with private, unroutable addresses relative to
the deployment server may cause the deployment server
to select an unroutable address.
Address this with two strategies.
First, if any of the addresses appear local to the deployment server
networks, prefer those and filter out unroutable.
Secondly, if a node is purely remote, and thus all addresses routable,
then make all the addresses a candidate. However, since the
client can't possibly be using fe80::, we can replace the principal list
with just the clientip, provided it appears in the principal list.
If a node has not been asked to open any locally managed
video consoles before it was asked to open a peer managed console,
it would fail to start the needed vinz service.
Work around this by detecting that scenario and giving
the vinz subsystem a chance to fix itself.
The fe80:: is hopeless, try to send ipv4 just in case.
Technically speaking, the user may be using a different address
or real ipv6 and the ipv4 guess might fail, but it probably won't.
On exit, clear the terminal buffer and invalidate the session. This
avoids the web ui being very attached to a closed, dead session, and
leaking stale buffer to a reused sessionid.
For confetty, treat starting a shell session more like starting a
console session.
If an attempt to resize a dead session is attempted,
ignore failures.
The stock reverse proxy configuration strips the leading
'/confluent-api/' from the URL.
However, when doing a custom reverse proxy set up, one may preserve full
path without knowing which way to go.
Since '/confluent-api/' will never be used inside the api, just strip
it when detected to tolerate either of the likely proxy pass behaviors.
People have been putting the BMC interface as
a net section, to aid in their information
and confluent2hosts.
Tolerate that by dropping net entries that match the
hardwaremanagement.manager attribute.
