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#!/usr/bin/env python
'''Bcfg2 Client'''
__revision__ = '$Revision$'
from getopt import getopt, GetoptError
from os import popen, chmod, unlink
from sys import argv
from tempfile import mktemp
from elementtree.ElementTree import Element, XML, tostring
from sss.ssslib import comm_lib
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)
else:
print "Toolset not correctly provided by the server."
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
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)
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:
# connect to bcfg2d
comm = comm_lib()
h = comm.ClientInit("bcfg2")
# get probes
comm.SendMessage(h, "<get-probes/>")
data = comm.RecvMessage(h)
#if setup['verbose']: print data
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
comm.SendMessage(h, tostring(msg))
r = comm.RecvMessage(h)
if setup['cache']:
try:
open(setup['cache'], 'w').write(r)
except IOError:
print "failed to write config cache file %s" % (setup['cache'])
cfg = XML(r)
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)
# verify state
client.Inventory()
correct = client.states.values().count(True)
total = len(client.states.values())
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]
else:
client.CondPrint("verbose", "All entries correct")
if not setup['file']:
# upload statistics
m = Element("upload-statistics")
stats = client.GenerateStats(__revision__)
m.append(stats)
comm.SendMessage(h, tostring(m))
r = comm.RecvMessage(h)
# clean up
comm.ClientClose(h)
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