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"""
Reports on kickstart activity by examining the logs in
/var/log/cobbler.
Copyright 2007, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
This software may be freely redistributed under the terms of the GNU
general public license.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
import os
import os.path
import glob
import time
import cobbler_msg
class BootStatusReport:
def __init__(self,config,mode):
"""
Constructor
"""
self.config = config
self.settings = config.settings()
self.mode = mode
# -------------------------------------------------------
def run(self):
"""
Calculate and print a kickstart-status report.
For kickstart trees not in /var/lib/cobbler (or a symlink off of there)
tracking will be incomplete. This should be noted in the docs.
"""
last_recorded_time = 0
time_collisions = 0
# find all of the logged IP addrs
filelist = glob.glob("/var/log/cobbler/syslog/*")
filelist.sort()
header = ("Address", "State", "Started", "Last Request", "Seconds", "Log Entries")
print "%-20s | %-15s | %-25s | %-25s | %-10s | %-6s" % header
for fullname in filelist:
fname = os.path.basename(fullname) # access times log
fullname2 = "/var/log/cobbler/kicklog/%s" % fname # remote syslog
entries = {} # hash of access times and messages
ip = None
# both types of log files must be intertwingled (TM)
for openme in [ fullname, fullname2 ]:
# it's possible syslog never hit the server, that's ok.
if not os.path.exists(openme):
continue
logfile = open(openme, "r")
data = "..."
# for each line in the file...
while(data is not None and data != ""):
data = logfile.readline()
# fields are tab delimited
# (1) seconds since 1970, in decimal
# (2) ASCII date for humans
# (3) IP address of requester
# (4) HTTP request line
try:
(epoch, strdate, ip, request) = data.split("\t", 3)
except:
continue
# HTTP request line is essentially space delimited
# (1) method, which should always be GET
# (2) filename, which is relative from server root
# (3) protocol, such as HTTP/1.1
# time collision voodoo
# we are storing times in a hash, and this prevents them from colliding
# which would break the filecount and possibly the state check
logtime = float(epoch)
if int(logtime) == last_recorded_time:
time_collisions = time_collisions + 1
else:
time_collisions = 0
logtime = logtime + (0.001 * time_collisions)
# to make the report generation a bit easier, flag what we think are start/end points
if request.find("?system_done") != -1:
entries[logtime] = "DONE:%s" % request
elif request.find("?profile_done") != -1:
entries[logtime] = "DONE:%s" % request
elif request.find("methodcomplete") != -1:
entries[logtime] = "DONE:%s" % request
elif request.find("Method =") != -1:
entries[logtime] = "START:%s" % request
else:
entries[logtime] = "1" # don't really care what the filename was
last_recorded_time = int(logtime)
# FIXME: calculate start times for each IP as defined as earliest file
# requested after each stop time, or the first file requested if no
# stop time.
logfile.close()
# print the report line for this IP addr
self.generate_report(entries,ip)
return True
#-----------------------------------------
def generate_report(self,entries,ip):
"""
Given the information about transferred files and kickstart finish times, attempt
to produce a report that most describes the state of the system.
"""
# sort the access times
rtimes = entries.keys()
rtimes.sort()
# variables for calculating kickstart state
last_request_time = 0
last_start_time = 0
last_done_time = 0
fcount = 0
# for each request time the machine has made
for rtime in rtimes:
rtime = rtime
fname = entries[rtime]
if fname.startswith("START:"):
install_state = "installing"
last_start_time = rtime
last_request_time = rtime
fcount = 0
elif fname.startswith("DONE"):
# kickstart finished
last_done_time = rtime
install_state = "done"
else:
install_state = "installing"
last_request_time = rtime
fcount = fcount + 1
# calculate elapsed time for kickstart
elapsed_time = 0
if install_state == "done":
elapsed_time = int(last_done_time - last_start_time)
else:
elapsed_time = int(last_request_time - last_start_time)
# FIXME: IP to MAC mapping where cobbler knows about it would be nice.
display_start = time.asctime(time.localtime(last_start_time))
display_last = time.asctime(time.localtime(last_request_time))
# print the status line for this IP address
print "%-20s | %-15s | %-25s | %-25s | %-10s | %-6s" % (ip, install_state, display_start, display_last, elapsed_time, fcount)
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