cli: Add cluster log-sink command
cli: Add cluster log-sink command

Signed-off-by: Joseph Glanville <aed65cdb66c1129f81e57d35b788d35820e08ea4@jpg.id.au>

lmars/flynn,flynn/flynn,philiplb/flynn,lmars/flynn,flynn/flynn,lmars/flynn,flynn/flynn,flynn/flynn,flynn/flynn,philiplb/flynn,lmars/flynn,philiplb/flynn,philiplb/flynn,philiplb/flynn,lmars/flynn