Comment 0 for bug 1540965

The Joyent Metadata Protocol Specification (Version 2)[1] allows for serial or socket communication. The existing Joyent datasource uses the serial port provided in KVM instances, however LX-brand zones have a socket instead @ /native/.zonecontrol/metadata.sock.

Detecting we are in a Joyent LX-brand zone is possible by looking at '/bin/uname -v' which will report "BrandZ virtual linux" or checking for the existence of a /native mount where '/native/usr/bin/uname -s' reports
SunOS.