openstack/diskimage-builder
Code Issues Proposed changes

Add an element to configure a serial console.

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With ILO and other remote machine management cards, a serial console is
actually useful.

Change-Id: I86f74d9dae3821b4682df813c5b52a83a29a138a
This commit is contained in:
Robert Collins 2013-05-09 18:39:37 +12:00
parent bd0f73f4cc
commit a8707cc152
3 changed files with 27 additions and 0 deletions
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5
elements/serial-console/README.md Normal file
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Start getty on ttyS0 or ttyS1
With ILO and other remote admin environments, having a serial console can be
useful for debugging / troubleshooting. If ttyS1 exists, getty will run on
that, otherwise on ttyS0.

7
elements/serial-console/install.d/20-stty Executable file
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#!/bin/sh
home=$(dirname $0)
set -uex
install -m 0644 -o root -g root $home/ttySx.conf /etc/init/ttySx.conf

15
elements/serial-console/install.d/ttySx.conf Normal file
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# This service maintains a getty on ttyS0/1 from the point the system is
# started until it is shut down again.
start on stopped rc or RUNLEVEL=[2345]
stop on runlevel [!2345]
respawn
script
console_port=0
echo "ttySx probing ttyS1" >/dev/ttyS1 2>/dev/null && console_port=1
echo "ttySx: console tty = /dev/ttyS$console_port" >&2
exec /sbin/agetty -m ttyS$console_port 115200,57600,38400,9600,4800 vt102
end script