As promised, here is my solution to loading an alternate comps.xml file.
My solution was to add a comps= parameter to the kernel, which will
specify the url of an alternate comps.xml file. If comps= is present, I
load the url to /tmp/updates/comps.xml, otherwise I don't do anything
and use the default comps.xml.
I added this to ks.cfg as the %pre section:
-------------------------------------------
%pre --interpreter /usr/bin/python
import urllib, os
# find comps_url, the name of the comps file to use, by reading the
kernel command line
args_fl = open("/proc/cmdline", "r")
args = args_fl.read().split()
args_fl.close()
comps_url = None
for arg in args:
v = arg.split("=")
if v[0] == "comps" and len(v) >= 2:
comps_url = v[1]
if comps_url:
os.mkdir("/tmp/updates")
print "** retrieving " + comps_url
urllib.urlretrieve(comps_url, "/tmp/updates/comps.xml")
print "** done"
else:
print "** using default comps.xml"
-------------------------------------------
I'm new to Python, so this might not be the best way of doing this, but
it works perfectly for me.
A special thanks to Brett Schwarz for his help in this. I could not
have done this without his assistance.
Eric.
