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#!/usr/bin/env python
'''Bcfg2 Client'''
__revision__ = '$Revision$'
from getopt import getopt, GetoptError
from os import popen, chmod, unlink, _exit
from signal import signal, SIGINT
from sys import argv
from tempfile import mktemp
from ConfigParser import ConfigParser, NoSectionError, NoOptionError
from time import time
from elementtree.ElementTree import Element, XML, tostring
def cb_sigint_handler(signum, frame):
'''Exit upon CTRL-C'''
_exit(1)
def load_toolset(toolset, config, clientsetup):
'''Import client toolset modules'''
if toolset == 'debian':
if clientsetup['verbose']:
print 'Selected Debian Toolset...'
mod = __import__("Bcfg2.Client.Debian", globals(), locals(), ['*'])
return mod.Debian(config, clientsetup)
elif toolset == 'rh':
if setup['verbose']:
print 'Selected RedHat Toolset...'
mod = __import__("Bcfg2.Client.Redhat", globals(), locals(), ['*'])
return mod.Redhat(config, clientsetup)
elif toolset == 'solaris':
if setup['verbose']:
print "Selected Solaris Toolset"
mod = __import__("Bcfg2.Client.Solaris", globals(), locals(), ['*'])
return mod.Solaris(config, clientsetup)
else:
print "Got unsupported toolset %s from server." % (toolset)
raise SystemExit, 1
def run_probe(probe):
'''Execute probe'''
ret = Element("probe-data", name=probe.attrib['name'], source=probe.attrib['source'])
script = open(mktemp(), 'w+')
script.write("#!%s\n"%(probe.attrib.get('interpreter', '/bin/sh')))
script.write(probe.text)
script.close()
chmod(script.name, 0755)
ret.text = popen(script.name).read()
unlink(script.name)
return ret
def dgetopt(arglist, opt, vopt):
'''parse options into a dictionary'''
ret = {}
for optname in opt.values() + vopt.values():
ret[optname] = False
gstr = "".join(opt.keys()) + "".join([optionkey + ':' for optionkey in vopt.keys()])
try:
ginfo = getopt(arglist, gstr)
except GetoptError, gerr:
print gerr
print "bcfg2 Usage:"
for arg in opt.iteritems():
print " -%s %s" % arg
for arg in vopt.iteritems():
print " -%s <%s>" % arg
raise SystemExit, 1
for (gopt, garg) in ginfo[0]:
option = gopt[1:]
if opt.has_key(option):
ret[opt[option]] = True
else:
ret[vopt[option]] = garg
return ret
if __name__ == '__main__':
# parse command line options
signal(SIGINT, cb_sigint_handler)
options = {'v':'verbose', 'q':'quick', 'd':'debug', 'n':'dryrun', 'B':'build', 'P':'paranoid'}
doptions = {'b':'bundle', 'f':'file', 'c':'cache', 'p':'profile', 'i':'image', 'r':'remove'}
setup = dgetopt(argv[1:], options, doptions)
timeinfo = Element("Times")
comm = None
if setup['file']:
try:
configfile = open(setup['file'], 'r')
r = configfile.read()
configfile.close()
except IOError:
print "Failed to read cached config file: %s" % (setup['file'])
raise SystemExit, 1
else:
try:
cf = ConfigParser()
cf.read('/etc/bcfg2.conf')
proto = cf.get('communication', 'protocol')
except (NoSectionError, NoOptionError):
proto = 'sss'
if proto == 'sss':
from sss.ssslib import comm_lib
elif proto == 'xmlrpc/ssl':
from Bcfg2.Client.XMLRPCComm import comm_lib
else:
print "Unsupported protocol: %s" % proto
raise SystemExit, 1
# connect to bcfg2d
comm = comm_lib()
try:
h = comm.ClientInit("bcfg2")
except:
print "Failed to connect to bcfg2 server"
raise SystemExit, 1
# get probes
start = time()
comm.SendMessage(h, "<get-probes/>")
data = comm.RecvMessage(h)
timeinfo.set('probefetch', str(time() - start))
probes = XML(data)
# execute probes
cpd = Element("probe-data")
[cpd.append(run_probe(x)) for x in probes.findall(".//probe")]
# upload probe responses
comm.SendMessage(h, tostring(cpd))
r = comm.RecvMessage(h)
msg = Element("get-config")
if setup['profile']:
msg.attrib['profile'] = setup['profile']
if setup['image']:
msg.attrib['image'] = setup['image']
# get config
cstart = time()
comm.SendMessage(h, tostring(msg))
r = comm.RecvMessage(h)
timeinfo.set('config', str(time() - cstart ))
if setup['cache']:
try:
open(setup['cache'], 'w').write(r)
except IOError:
print "failed to write config cache file %s" % (setup['cache'])
try:
pt = time()
cfg = XML(r)
timeinfo.set('parse', str(time() - pt))
except:
print "got error from server"
raise SystemExit, 1
if cfg.tag == 'error':
print "got error from server"
raise SystemExit, 1
# Get toolset from server
cfg_toolset = cfg.get('toolset')
if setup['bundle']:
c = Element("Configuration", version='2.0')
for child in cfg.getroot().getchildren():
if ((child.tag == 'Bundle') and (child.attrib['name'] == setup['bundle'])):
c.append(child)
cfg = c
# Create toolset handle
client = load_toolset(cfg_toolset, cfg, setup)
istart = time()
# verify state
client.Inventory()
timeinfo.set('inventory', str(time() - istart))
correct = client.states.values().count(True)
total = len(client.states.values())
istart = time()
if ((correct < total) or client.pkgwork['remove']):
if client.pkgwork['remove']:
client.CondPrint('verbose', "Extra packages detected")
# summarize current state
client.CondPrint('verbose', "--> %s of %s config elements correct" % (correct, total))
# install incorrect aspects of configuration
client.Install()
client.CondPrint('verbose', "--> %s of %s config elements correct" %
(client.states.values().count(True), total))
failed = [key for key, value in client.states.iteritems() if not value]
if failed:
client.CondPrint('verbose', "Failing Entries:")
[client.CondPrint('verbose', "%s:%s" % (key.tag, key.get('name'))) for key in
failed if key.tag != 'Package']
[client.CondPrint('verbose', "%s:%s-%s" %
(key.tag, key.get('name'), key.get('version', 'unset')))
for key in failed if key.tag == 'Package']
else:
client.CondPrint("verbose", "All entries correct")
timeinfo.set('install', str(time() - istart))
timeinfo.set('total', str(time() - start))
if not setup['file']:
# upload statistics
m = Element("upload-statistics")
stats = client.GenerateStats(__revision__)
stats.append(timeinfo)
m.append(stats)
comm.SendMessage(h, tostring(m))
r = comm.RecvMessage(h)
# clean up
comm.ClientClose(h)
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