+#!/usr/bin/python /usr/bin/plcsh
# $Id$
import os
import socket
import time
import tempfile
+import errno
import sioc
import modprobe
-def InitInterfaces(logger, plc, data, root="", files_only=False):
+global version
+version = 4.3
+
+def InitInterfaces(logger, plc, data, root="", files_only=False, program="NodeManager"):
+ global version
+
sysconfig = "%s/etc/sysconfig/network-scripts" % root
+ try:
+ os.makedirs(sysconfig)
+ except OSError, e:
+ if e.errno != errno.EEXIST:
+ raise e
# query running network interfaces
devs = sioc.gifconf()
interfaces = {}
interface = 1
hostname = data.get('hostname',socket.gethostname())
+ gateway = None
networks = data['networks']
failedToGetSettings = False
+
+ # NOTE: GetInterfaces/NodeNetworks does not necessarily order the interfaces
+ # returned. Because 'interface'is decremented as each interface is processed,
+ # by the time is_primary=True (primary) interface is reached, the device
+ # "eth%s" % interface, is not eth0. But, something like eth-4, or eth-12.
+ # This code sorts the interfaces, placing is_primary=True interfaces first.
+ # There is a lot of room for improvement to how this
+ # script handles interfaces and how it chooses the primary interface.
+ def compare_by (fieldname):
+ def compare_two_dicts (a, b):
+ return cmp(a[fieldname], b[fieldname])
+ return compare_two_dicts
+
+ # NOTE: by sorting on 'is_primary' and then reversing (since False is sorted
+ # before True) all 'is_primary' interfaces are at the beginning of the list.
+ networks.sort( compare_by('is_primary') )
+ networks.reverse()
+
for network in networks:
logger.verbose('net:InitInterfaces interface %d: %s'%(interface,network))
logger.verbose('net:InitInterfaces macs = %s' % macs)
inter['USERCTL']='no'
if network['mac']:
inter['HWADDR'] = network['mac']
+ if network['is_primary']:
+ inter['PRIMARY']='yes'
if network['method'] == "static":
inter['BOOTPROTO'] = "static"
inter['IPADDR'] = network['ip']
inter['NETMASK'] = network['netmask']
+ inter['DNS1'] = network['dns1']
+ inter['DNS2'] = network['dns2']
+ if network['is_primary']:
+ gateway = network['gateway']
elif network['method'] == "dhcp":
inter['BOOTPROTO'] = "dhcp"
+ inter['PERSISTENT_DHCLIENT'] = "yes"
if network['hostname']:
inter['DHCP_HOSTNAME'] = network['hostname']
else:
if not network['is_primary']:
inter['DHCLIENTARGS'] = "-R subnet-mask"
- if len(network['interface_tag_ids']) > 0:
+ try:
+ plc.GetInterfaceTags()
+ version = 4.3
+ except AttributeError:
+ version = 4.2
+
+ if version == 4.3:
+ interface_tag_ids = "interface_tag_ids"
+ interface_tag_id = "interface_tag_id"
+ else:
+ interface_tag_ids = "nodenetwork_setting_ids"
+ interface_tag_id = "nodenetwork_setting_id"
+
+ if len(network[interface_tag_ids]) > 0:
try:
- settings = plc.GetInterfaceTags({'interface_tag_id':
- network['interface_tag_ids']})
+ if version == 4.3:
+ settings = plc.GetInterfaceTags({interface_tag_id:network[interface_tag_ids]})
+ else:
+ settings = plc.GetNodeNetworkSettings({interface_tag_id:network[interface_tag_ids]})
except:
logger.log("net:InitInterfaces FATAL: failed call GetInterfaceTags({'interface_tag_id':{%s})"% \
network['interface_tag_ids'])
for setting in settings:
# to explicitly set interface name
- settingname = setting['name'].upper()
+ name_key = "name"
+ if version == 4.3:
+ name_key = "tagname"
+
+ settingname = setting[name_key].upper()
if settingname in ('IFNAME','ALIAS','CFGOPTIONS','DRIVER'):
inter[settingname]=setting['value']
+ # wireless settings
+ elif settingname in \
+ [ "MODE", "ESSID", "NW", "FREQ", "CHANNEL", "SENS", "RATE",
+ "KEY", "KEY1", "KEY2", "KEY3", "KEY4", "SECURITYMODE",
+ "IWCONFIG", "IWPRIV" ] :
+ inter [settingname] = setting['value']
+ inter ['TYPE']='Wireless'
else:
- logger.log("net:InitInterfaces WARNING: ignored setting named %s"%setting['name'])
+ logger.log("net:InitInterfaces WARNING: ignored setting named %s"%setting[name_key])
# support aliases to interfaces either by name or HWADDR
if 'ALIAS' in inter:
interfaces[ifname] = inter
m = modprobe.Modprobe()
- m.input("%s/etc/modprobe.conf" % root)
+ try:
+ m.input("%s/etc/modprobe.conf" % root)
+ except:
+ pass
for (dev, inter) in interfaces.iteritems():
# get the driver string "moduleName option1=a option2=b"
driver=inter.get('DRIVER','')
options=" ".join(driver[1:])
if options <> '':
m.optionsset(dev,options)
- m.output("%s/etc/modprobe.conf" % root)
+ m.output("%s/etc/modprobe.conf" % root, program)
# clean up after any ifcfg-$dev script that's no longer listed as
# part of the NodeNetworks associated with this node
for ifcfg in ifcfgs:
dev = ifcfg[len('ifcfg-'):]
path = "%s/ifcfg-%s" % (sysconfig,dev)
- logger.verbose("net:InitInterfaces removing %s %s"%(dev,path))
- os.system("/sbin/ifdown %s" % dev)
+ if not files_only:
+ logger.verbose("net:InitInterfaces removing %s %s"%(dev,path))
+ os.system("/sbin/ifdown %s" % dev)
deletedSomething=True
os.unlink(path)
if deletedSomething:
time.sleep(2)
- # Process ifcg-$dev changes / additions
+ # Write network configuration file
+ networkconf = file("%s/etc/sysconfig/network" % root, "w")
+ networkconf.write("NETWORKING=yes\nHOSTNAME=%s\n" % hostname)
+ if gateway is not None:
+ networkconf.write("GATEWAY=%s\n" % gateway)
+ networkconf.close()
+
+ # Process ifcfg-$dev changes / additions
newdevs = []
for (dev, inter) in interfaces.iteritems():
(fd, tmpnam) = tempfile.mkstemp(dir=sysconfig)
f = os.fdopen(fd, "w")
- f.write("# Autogenerated by NodeManager/net.py.... do not edit!\n")
+ f.write("# Autogenerated by pyplnet... do not edit!\n")
if 'DRIVER' in inter:
f.write("# using %s driver for device %s\n" % (inter['DRIVER'],dev))
- f.write('DEVICE="%s"\n' % dev)
+ f.write('DEVICE=%s\n' % dev)
# print the configuration values
for (key, val) in inter.iteritems():
if key not in ('IFNAME','ALIAS','CFGOPTIONS','DRIVER'):
- f.write('%s="%s"\n' % (key, val))
+ f.write('%s=%s\n' % (key, val))
# print the configuration specific option values (if any)
if 'CFGOPTIONS' in inter:
elif not comparefiles(tmpnam,path):
logger.verbose('net:InitInterfaces Configuration change for %s' % dev)
- logger.verbose('net:InitInterfaces ifdown %s' % dev)
- # invoke ifdown for the old configuration
- os.system("/sbin/ifdown %s" % dev)
- # wait a few secs for ifdown to complete
- time.sleep(2)
+ if not files_only:
+ logger.verbose('net:InitInterfaces ifdown %s' % dev)
+ # invoke ifdown for the old configuration
+ os.system("/sbin/ifdown %s" % dev)
+ # wait a few secs for ifdown to complete
+ time.sleep(2)
logger.log('replacing configuration for %s' % dev)
# replace ifcfg-$dev configuration file
# handle those correctly
if getvar("SLAVE") == 'yes': continue
- logger.verbose('net:InitInterfaces bringing up %s' % dev)
- os.system("/sbin/ifup %s" % dev)
-
+ if not files_only:
+ logger.verbose('net:InitInterfaces bringing up %s' % dev)
+ os.system("/sbin/ifup %s" % dev)
+
+if __name__ == "__main__":
+ import optparse
+ import sys
+
+ parser = optparse.OptionParser(usage="plnet [-v] [-f] [-p <program>] -r root node_id")
+ parser.add_option("-v", "--verbose", action="store_true", dest="verbose")
+ parser.add_option("-r", "--root", action="store", type="string",
+ dest="root", default=None)
+ parser.add_option("-f", "--files-only", action="store_true",
+ dest="files_only")
+ parser.add_option("-p", "--program", action="store", type="string",
+ dest="program", default="plnet")
+ (options, args) = parser.parse_args()
+ if len(args) != 1 or options.root is None:
+ print >>sys.stderr, "Missing root or node_id"
+ parser.print_help()
+ sys.exit(1)
+
+ node = shell.GetNodes({'node_id': [int(args[0])]})
+ try:
+ networks = shell.GetInterfaces({'interface_id': node[0]['interface_ids']})
+ except AttributeError:
+ networks = shell.GetNodeNetworks({'nodenetwork_id':node[0]['nodenetwork_ids']})
+ version = 4.2
+
+
+ data = {'hostname': node[0]['hostname'], 'networks': networks}
+ class logger:
+ def __init__(self, verbose):
+ self.verbosity = verbose
+ def log(self, msg, loglevel=2):
+ if self.verbosity:
+ print msg
+ def verbose(self, msg):
+ self.log(msg, 1)
+ l = logger(options.verbose)
+ InitInterfaces(l, shell, data, options.root, options.files_only)