As requested.
Here is what I have so far. Please note that this is the first python program I
have ever written (I prefer perl and awk, but ks does not include in install
image), I am open to any suggestions if there are better methods. I have only
tested RH9. I hacked this together using the Python Cookbook as a guide. It
needs work, but it is a start.
I have cut/paste 3 text files.
1. The pre script. This script creates a python file and runs it in the
background. It listens on port 3001 for stat or sh ..., if stat then it will
dump the last line of install.log if it exists, if sh ..., then it will run ...
and return the output (a poor mans remote shell).
2. nodestat.awk, is a simple example of a client to get the stat.
3. nodecmd.awk, is a simple example of a client to run a remote command.
###pre script
%pre
cat >/tmp/foo.py <<EOF
#!/usr/bin/python
import socket
import os
import linecache
import re
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
port = 3001
sock.bind(('', port))
sock.listen(5)
try:
while 1:
newSocket, address = sock.accept()
while 1:
received = newSocket.recv(200)
if not received:
break
command = re.split('\s+',received)
if(command[0] == "stat"):
ilog = ""
line = ""
if(os.path.isfile('/mnt/sysimage/root/install.log')):
ilog = '/mnt/sysimage/root/install.log'
if(os.path.isfile('/mnt/sysimage/tmp/install.log')):
ilog = '/mnt/sysimage/tmp/install.log'
if(ilog):
count = len(open(ilog).readlines())
line = linecache.getline(ilog,count)
linecache.clearcache()
if(line):
r = re.compile("^Installing (.*)\.")
m = r.search(line)
if m:
newline = m.group(1)
else:
newline = "prep"
line = "installing " + newline
else:
line = "installing prep"
newSocket.send(line)
break
if(command[0] == "sh"):
newcommand = ""
for i in command[1:]:
newcommand = newcommand + i + " "
output = os.popen(newcommand).read()
newSocket.send(output)
break
newSocket.close()
finally:
sock.close()
EOF
chmod 755 /tmp/foo.py
/tmp/foo.py >/foo.log 2>&1 &
###pre script end
###nodestat.awk
#!/bin/awk -f
BEGIN {
node = ARGV[1]
ns = "/inet/tcp/0/" node "/" 3001
print "stat" |& ns
while((ns |& getline) > 0)
print $0
close(ns)
exit 0
}
###nodestat.awk end
###nodecmd.awk
#!/bin/awk -f
BEGIN {
node = ARGV[1]
for(i in ARGV)
if(i > 1)
command = (command " " ARGV[i])
ns = "/inet/tcp/0/" node "/" 3001
print ("sh" command)|& ns
while((ns |& getline) > 0)
print $0
close(ns)
exit 0
}
###nodecmd.awk end
> -----Original Message-----
> From: kickstart-list-admin@xxxxxxxxxx
> [mailto:kickstart-list-admin@xxxxxxxxxx] On Behalf Of
> James_Martin@xxxxxxxxxxxxxxx
> Sent: Wednesday, October 15, 2003 7:40 AM
> To: kickstart-list@xxxxxxxxxx
> Subject: Re: kickstart monitor
>
>
> I was just wondering if you could provide a link to yoru
> daemon when you
> are finished-- it would be a very useful utility.
>
> Thanks,
>
> James
>
> James S. Martin, RHCE
> Contractor
> Administrative Office of the United States Courts
> Washington, DC
> (202) 502-2394
>
>
>
>
> "Egan Ford" <egan@xxxxxxxxx>
> Sent by: kickstart-list-admin@xxxxxxxxxx
> 10/14/2003 06:02 PM
> Please respond to kickstart-list
>
>
> To: <kickstart-list@xxxxxxxxxx>
> cc:
> Subject: kickstart monitor
>
>
> I am creating a small python daemon that gets starting in
> %pre to allow
> remote
> access to a node during install. The purpose is to monitor the
> installation of
> a large number of machines in a more automated fashion.
>
> Are they any files that I can tail to get the status of the
> installation?
>
> Thanks.
>
>
> _______________________________________________
> Kickstart-list mailing list
> Kickstart-list@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/kickstart-list
>
>
>
>
> _______________________________________________
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> https://www.redhat.com/mailman/listinfo/kickstart-list
>
