Add -u option to ssh to moblab by name.

  - example usage
    $ moblab_tunnel.sh -u moblab4
    Checking tunnels for moblab4
    moblab4 UI Tunnel http://localhost:9084 to 100.107.195.217
    Checking tunnel with: ssh -S
    /usr/local/google/home/dchan/.ssh/connections/moblab-sock-9084-80 -O
    check moblab@100.107.195.217
    Master running (pid=25287)
    moblab4 Admin Tunnel http://localhost:9994 to 100.107.195.217
    Checking tunnel with: ssh -S
    /usr/local/google/home/dchan/.ssh/connections/moblab-sock-9994-9991
    -O check moblab@100.107.195.217

    Connecting to moblab4 with IP 100.107.195.217
    localhost ~ #

BUG=None
TEST=Manually from desktop.

Change-Id: I634133e228d56ace6bdbe2834f28c72628d2e911
Reviewed-on: https://chromium-review.googlesource.com/424962
Reviewed-by: Tyler Reid <twreid@chromium.org>
Reviewed-by: Katherine Threlkeld <kathrelkeld@chromium.org>
Tested-by: danny chan <dchan@chromium.org>
1 file changed