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|
#
# network.py - network configuration install data
#
# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Red Hat, Inc.
# 2008, 2009
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Author(s): Matt Wilson <ewt@redhat.com>
# Erik Troan <ewt@redhat.com>
# Mike Fulbright <msf@redhat.com>
# Brent Fox <bfox@redhat.com>
# David Cantrell <dcantrell@redhat.com>
#
import string
import shutil
import isys
import iutil
import socket
import struct
import os
import time
import dbus
import tempfile
import simpleconfig
import re
from flags import flags
from simpleconfig import IfcfgFile
import urlgrabber.grabber
from pyanaconda.storage.devices import FcoeDiskDevice, iScsiDiskDevice
from pyanaconda.storage import arch
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
import logging
log = logging.getLogger("anaconda")
sysconfigDir = "/etc/sysconfig"
netscriptsDir = "%s/network-scripts" % (sysconfigDir)
networkConfFile = "%s/network" % (sysconfigDir)
hostnameFile = "/etc/hostname"
ipv6ConfFile = "/etc/modprobe.d/ipv6.conf"
ifcfgLogFile = "/tmp/ifcfg.log"
CONNECTION_TIMEOUT = 45
DEFAULT_HOSTNAME = "localhost.localdomain"
# part of a valid hostname between two periods (cannot start nor end with '-')
# for more info about '(?!-)' and '(?<!-)' see 're' module documentation
HOSTNAME_PART_RE = re.compile("(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
ifcfglog = None
def setup_ifcfg_log():
# Setup special logging for ifcfg NM interface
from pyanaconda import anaconda_log
global ifcfglog
logger = logging.getLogger("ifcfg")
logger.setLevel(logging.DEBUG)
anaconda_log.logger.addFileHandler(ifcfgLogFile, logger, logging.DEBUG)
if os.access("/dev/tty3", os.W_OK):
anaconda_log.logger.addFileHandler("/dev/tty3", logger,
anaconda_log.DEFAULT_TTY_LEVEL,
anaconda_log.TTY_FORMAT,
autoLevel=True)
anaconda_log.logger.forwardToSyslog(logger)
ifcfglog = logging.getLogger("ifcfg")
class IPError(Exception):
pass
class IPMissing(Exception):
pass
def sanityCheckHostname(hostname):
"""
Check if the given string is (syntactically) a valid hostname.
@param hostname: a string to check
@returns: a pair containing boolean value (valid or invalid) and
an error message (if applicable)
@rtype: (bool, str)
"""
if not hostname:
return (False, _("Hostname cannot be None or an empty string."))
if len(hostname) > 255:
return (False, _("Hostname must be 255 or fewer characters in length."))
validStart = string.ascii_letters + string.digits
validAll = validStart + ".-"
if hostname[0] not in validStart:
return (False, _("Hostname must start with a valid character in the "
"ranges 'a-z', 'A-Z', or '0-9'"))
if hostname.endswith("."):
# hostname can end with '.', but the regexp used below would not match
hostname = hostname[:-1]
if not all(HOSTNAME_PART_RE.match(part) for part in hostname.split(".")):
return (False, _("Hostnames can only contain the characters 'a-z', "
"'A-Z', '0-9', '-', or '.', parts between periods "
"must contain something and cannot start or end with "
"'-'."))
return (True, "")
# Return a list of IP addresses for all active devices.
def getIPs():
ips = []
for devname in getActiveNetDevs():
try:
ips += (isys.getIPAddresses(devname, version=4) +
isys.getIPAddresses(devname, version=6))
except Exception as e:
log.warning("Got an exception trying to get the ip addr "
"of %s: %s" % (devname, e))
return ips
# Return the first real non-local IP we find
def getFirstRealIP():
for ip in getIPs():
if ip not in ("127.0.0.1", "::1"):
return ip
return None
# Try to determine what the hostname should be for this system
def getHostname():
hn = None
# First address (we prefer ipv4) of last device (as it used to be) wins
for dev in getActiveNetDevs():
addrs = (isys.getIPAddresses(dev, version=4) +
isys.getIPAddresses(dev, version=6))
for ipaddr in addrs:
try:
hinfo = socket.gethostbyaddr(ipaddr)
except Exception as e:
log.debug("Exception caught trying to get host name of %s: %s" %
(ipaddr, e))
else:
if len(hinfo) == 3:
hn = hinfo[0]
break
if not hn or hn in ('(none)', 'localhost', 'localhost.localdomain'):
hn = socket.gethostname()
if not hn or hn in ('(none)', 'localhost', 'localhost.localdomain'):
hn = DEFAULT_HOSTNAME
return hn
# sanity check an IP string.
def sanityCheckIPString(ip_string):
if not ip_string.strip():
raise IPMissing, _("IP address is missing.")
if '.' in ip_string[1:] and ':' not in ip_string:
family = socket.AF_INET
errstr = _("IPv4 addresses must contain four numbers between 0 and 255, separated by periods.")
elif ':' in ip_string[1:] and '.' not in ip_string:
family = socket.AF_INET6
errstr = _("'%s' is not a valid IPv6 address.") % ip_string
else:
raise IPError, _("'%s' is an invalid IP address.") % ip_string
try:
socket.inet_pton(family, ip_string)
except socket.error:
raise IPError, errstr
def nmIsConnected(state):
return state in (isys.NM_STATE_CONNECTED_LOCAL,
isys.NM_STATE_CONNECTED_SITE,
isys.NM_STATE_CONNECTED_GLOBAL)
def hasActiveNetDev():
try:
bus = dbus.SystemBus()
nm = bus.get_object(isys.NM_SERVICE, isys.NM_MANAGER_PATH)
props = dbus.Interface(nm, isys.DBUS_PROPS_IFACE)
state = props.Get(isys.NM_SERVICE, "State")
return nmIsConnected(state)
except:
return flags.testing
# Return a list of device names (e.g., eth0) for all active devices.
# Returning a list here even though we will almost always have one
# device. NM uses lists throughout its D-Bus communication, so trying
# to follow suit here. Also, if this uses a list now, we can think
# about multihomed hosts during installation later.
def getActiveNetDevs():
active_devs = set()
bus = dbus.SystemBus()
nm = bus.get_object(isys.NM_SERVICE, isys.NM_MANAGER_PATH)
nm_props_iface = dbus.Interface(nm, isys.DBUS_PROPS_IFACE)
active_connections = nm_props_iface.Get(isys.NM_MANAGER_IFACE, "ActiveConnections")
for connection in active_connections:
active_connection = bus.get_object(isys.NM_SERVICE, connection)
active_connection_props_iface = dbus.Interface(active_connection, isys.DBUS_PROPS_IFACE)
devices = active_connection_props_iface.Get(isys.NM_ACTIVE_CONNECTION_IFACE, 'Devices')
for device_path in devices:
device = bus.get_object(isys.NM_SERVICE, device_path)
device_props_iface = dbus.Interface(device, isys.DBUS_PROPS_IFACE)
interface_name = device_props_iface.Get(isys.NM_DEVICE_IFACE, 'Interface')
active_devs.add(interface_name)
ret = list(active_devs)
ret.sort()
return ret
def logIfcfgFile(path, message=""):
content = ""
if os.access(path, os.R_OK):
f = open(path, 'r')
content = f.read()
f.close()
else:
content = "file not found"
ifcfglog.debug("%s%s:\n%s" % (message, path, content))
def logIfcfgFiles(message=""):
ifcfglog.debug("content of files (%s):" % message)
for name in os.listdir(netscriptsDir):
if name.startswith("ifcfg-"):
if name == 'ifcfg-lo':
continue
path = os.path.join(netscriptsDir, name)
f = open(path, 'r')
content = f.read()
f.close()
ifcfglog.debug("%s:\n%s" % (path, content))
class NetworkDevice(IfcfgFile):
def __init__(self, dir, iface):
IfcfgFile.__init__(self, dir, iface)
if iface.startswith('ctc'):
self.info["TYPE"] = "CTC"
self.wepkey = ""
self._dirty = False
def clear(self):
IfcfgFile.clear(self)
if self.iface.startswith('ctc'):
self.info["TYPE"] = "CTC"
self.wepkey = ""
def __str__(self):
s = ""
keys = self.info.keys()
if arch.isS390() and ("HWADDR" in keys):
keys.remove("HWADDR")
# make sure we include autoneg in the ethtool line
if 'ETHTOOL_OPTS' in keys:
eopts = self.get('ETHTOOL_OPTS')
if "autoneg" not in eopts:
self.set(('ETHTOOL_OPTS', "autoneg off %s" % eopts))
for key in keys:
if self.info[key] is not None:
s = s + key + '="' + self.info[key] + '"\n'
return s
# anaconda doesn't actually need this configuration, but if we don't write
# it to the installed system then 'ifup' doesn't work after install.
# FIXME: make 'ifup' use its own defaults!
def setDefaultConfig(self):
ifcfglog.debug("NetworkDevice %s: setDefaultConfig()" % self.iface)
self.set(("DEVICE", self.iface),
("BOOTPROTO", "dhcp"),
("ONBOOT", "no")) # for "security", or something
try:
mac = open("/sys/class/net/%s/address" % self.iface).read().strip()
self.set(("HWADDR", mac.upper()))
except IOError as e:
ifcfglog.warning("HWADDR: %s" % str(e))
try:
uuid = open("/proc/sys/kernel/random/uuid").read().strip()
self.set(("UUID", uuid))
except IOError as e:
ifcfglog.warning("UUID: %s" % str(e))
self.writeIfcfgFile()
def loadIfcfgFile(self):
ifcfglog.debug("loadIfcfFile %s" % self.path)
self.clear()
IfcfgFile.read(self)
self._dirty = False
def writeIfcfgFile(self):
# Write out the file only if there is a key whose
# value has been changed since last load of ifcfg file.
ifcfglog.debug("writeIfcfgFile %s to %s%s" % (self.iface, self.path,
("" if self._dirty else " not needed")))
if self._dirty:
ifcfglog.debug("old %s:\n%s" % (self.path, self.fileContent()))
ifcfglog.debug("writing NetworkDevice %s:\n%s" % (self.iface, self.__str__()))
IfcfgFile.write(self)
self._dirty = False
# We can't read the file right now racing with ifcfg-rh update
#ifcfglog.debug("%s:\n%s" % (device.path, device.fileContent()))
def set(self, *args):
# If we are changing value of a key set _dirty flag
# informing that ifcfg file needs to be synced.
s = " ".join(["%s=%s" % key_val for key_val in args])
ifcfglog.debug("NetworkDevice %s set: %s" %
(self.iface, s))
for (key, data) in args:
if self.get(key) != data:
break
else:
return
IfcfgFile.set(self, *args)
self._dirty = True
@property
def keyfilePath(self):
return os.path.join(self.dir, "keys-%s" % self.iface)
def writeWepkeyFile(self, dir=None, overwrite=True):
if not self.wepkey:
return False
if not dir:
keyfile = self.keyfilePath
else:
keyfile = os.path.join(dir, os.path.basename(self.keyfilePath))
if not overwrite and os.path.isfile(keyfile):
return False
fd, newifcfg = tempfile.mkstemp(prefix="keys-%s" % self.iface, text=False)
os.write(fd, "KEY1=%s\n" % self.wepkey)
os.close(fd)
os.chmod(newifcfg, 0644)
try:
os.remove(keyfile)
except OSError as e:
if e.errno != 2:
raise
shutil.move(newifcfg, keyfile)
def fileContent(self):
if not os.path.exists(self.path):
return ""
f = open(self.path, 'r')
content = f.read()
f.close()
return content
def setGateway(self, gw):
if ':' in gw:
self.set(('IPV6_DEFAULTGW', gw))
else:
self.set(('GATEWAY', gw))
def unsetDNS(self):
"""Unset all DNS* ifcfg parameters."""
i = 1
while True:
if self.get("DNS%d" % i):
self.unset("DNS%d" %i)
else:
break
i += 1
def setDNS(self, ns):
dns = ns.split(',')
i = 1
for addr in dns:
addr = addr.strip()
dnslabel = "DNS%d" % (i,)
self.set((dnslabel, addr))
i += 1
class WirelessNetworkDevice(NetworkDevice):
"""
This class overwrites NetworkDevice's, IfcfgFile's and SimpleConfigFile's
methods to prevent working with per-device ifcfgfiles (which doesn't make
sense with wifi devices)
"""
def __init__(self, iface):
self.info = dict()
self.iface = iface
self.dir = ""
def clear(self):
self.info = dict()
#method __str__ can be left untouched
def loadIfcfgFile(self):
pass
def writeIfcfgFile(self):
pass
def set(self, *args):
msg = "".join(["%s=%s" % (key, val) for (key, val) in args])
for (key, val) in args:
self.info[simpleconfig.uppercase_ASCII_string(key)] = val
#not used, remove?
def fileContent(self):
return ""
#@property path can be left untouched (code using it skips nonexisting
#ifcfg files
def read(self):
#same return value as IfcfgFile.read()
return len(self.info)
def write(self):
pass
def get_NM_object(path):
return dbus.SystemBus().get_object(isys.NM_SERVICE, path)
def createMissingDefaultIfcfgs():
"""
Create or dump missing default ifcfg file for wired devices.
For default auto connections created by NM upon start - which happens
in case of missing ifcfg file - rename the connection using device name
and dump its ifcfg file. (For server, default auto connections will
be turned off in NetworkManager.conf.)
If there is no default auto connection for a device, create default
ifcfg file.
Returns True if any ifcfg file was created or dumped.
"""
rv = False
nm = get_NM_object(isys.NM_MANAGER_PATH)
dev_paths = nm.GetDevices()
settings = get_NM_object(isys.NM_SETTINGS_PATH)
for devpath in dev_paths:
device = get_NM_object(devpath)
device_props_iface = dbus.Interface(device, isys.DBUS_PROPS_IFACE)
devicetype = device_props_iface.Get(isys.NM_DEVICE_IFACE, "DeviceType")
if devicetype != isys.NM_DEVICE_TYPE_ETHERNET:
continue
# if there is no ifcfg file for the device
interface = str(device_props_iface.Get(isys.NM_DEVICE_IFACE, "Interface"))
device_cfg = NetworkDevice(netscriptsDir, interface)
if os.access(device_cfg.path, os.R_OK):
continue
# check if there is a connection for the device (default autoconnection)
hwaddr = device_props_iface.Get(isys.NM_DEVICE_WIRED_IFACE, "HwAddress")
con_paths = settings.ListConnections()
for con_path in con_paths:
con = get_NM_object(con_path)
setting = con.GetSettings()
con_hwaddr = ":".join("%02X" % byte for byte in
setting['802-3-ethernet']['mac-address'])
# if so, write its configuration with name changed to iface
if con_hwaddr.upper() == hwaddr.upper():
setting['connection']['id'] = interface
con.Update(setting)
rv = True
log.debug("network: dumped ifcfg file for default autoconnection on %s" % interface)
break
else:
# if there is no connection, create default ifcfg
device_cfg.setDefaultConfig()
rv = True
return rv
def getDevices():
# TODO: filter with existence of ifcfg file?
return isys.getDeviceProperties().keys()
def waitForDevicesActivation(devices):
waited_devs_props = {}
bus = dbus.SystemBus()
nm = bus.get_object(isys.NM_SERVICE, isys.NM_MANAGER_PATH)
device_paths = nm.get_dbus_method("GetDevices")()
for device_path in device_paths:
device = bus.get_object(isys.NM_SERVICE, device_path)
device_props_iface = dbus.Interface(device, isys.DBUS_PROPS_IFACE)
iface = str(device_props_iface.Get(isys.NM_DEVICE_IFACE, "Interface"))
if iface in devices:
waited_devs_props[iface] = device_props_iface
i = 0
while True:
for dev, device_props_iface in waited_devs_props.items():
state = device_props_iface.Get(isys.NM_DEVICE_IFACE, "State")
if state == isys.NM_DEVICE_STATE_ACTIVATED:
waited_devs_props.pop(dev)
if len(waited_devs_props) == 0 or i >= CONNECTION_TIMEOUT:
break
i += 1
time.sleep(1)
return waited_devs_props.keys()
# get a kernel cmdline string for dracut needed for access to storage host
def dracutSetupArgs(networkStorageDevice):
if networkStorageDevice.nic == "default" or ":" in networkStorageDevice.nic:
nic = ifaceForHostIP(networkStorageDevice.host_address)
if not nic:
return ""
else:
nic = networkStorageDevice.nic
if nic not in getDevices():
log.error('Unknown network interface: %s' % nic)
return ""
ifcfg = NetworkDevice(netscriptsDir, nic)
ifcfg.loadIfcfgFile()
return dracutBootArguments(ifcfg,
networkStorageDevice.host_address,
getHostname())
def dracutBootArguments(ifcfg, storage_ipaddr, hostname=None):
netargs = set()
devname = ifcfg.iface
if ifcfg.get('BOOTPROTO') == 'ibft':
netargs.add("ip=ibft")
elif storage_ipaddr:
if hostname is None:
hostname = ""
# if using ipv6
if ':' in storage_ipaddr:
if ifcfg.get('DHCPV6C') == "yes":
# XXX combination with autoconf not yet clear,
# support for dhcpv6 is not yet implemented in NM/ifcfg-rh
netargs.add("ip=%s:dhcp6" % devname)
elif ifcfg.get('IPV6_AUTOCONF') == "yes":
netargs.add("ip=%s:auto6" % devname)
elif ifcfg.get('IPV6ADDR'):
ipaddr = "[%s]" % ifcfg.get('IPV6ADDR')
if ifcfg.get('IPV6_DEFAULTGW'):
gateway = "[%s]" % ifcfg.get('IPV6_DEFAULTGW')
else:
gateway = ""
netargs.add("ip=%s::%s:%s:%s:%s:none" % (ipaddr, gateway,
ifcfg.get('PREFIX'), hostname, devname))
else:
if ifcfg.get('bootproto').lower() == 'dhcp':
netargs.add("ip=%s:dhcp" % devname)
else:
if ifcfg.get('GATEWAY'):
gateway = ifcfg.get('GATEWAY')
else:
gateway = ""
netmask = ifcfg.get('netmask')
prefix = ifcfg.get('prefix')
if not netmask and prefix:
netmask = isys.prefix2netmask(int(prefix))
netargs.add("ip=%s::%s:%s:%s:%s:none" % (ifcfg.get('ipaddr'),
gateway, netmask, hostname, devname))
hwaddr = ifcfg.get("HWADDR")
if hwaddr:
netargs.add("ifname=%s:%s" % (devname, hwaddr.lower()))
nettype = ifcfg.get("NETTYPE")
subchannels = ifcfg.get("SUBCHANNELS")
if arch.isS390() and nettype and subchannels:
znet = "rd.znet=%s,%s" % (nettype, subchannels)
options = ifcfg.get("OPTIONS").strip("'\"")
if options:
options = filter(lambda x: x != '', options.split(' '))
znet += ",%s" % (','.join(options))
netargs.add(znet)
return netargs
def kickstartNetworkData(ifcfg=None, hostname=None):
from pyanaconda.kickstart import AnacondaKSHandler
handler = AnacondaKSHandler()
kwargs = {}
if not ifcfg and hostname:
return handler.NetworkData(hostname=hostname, bootProto="")
# ipv4 and ipv6
if not ifcfg.get("ESSID"):
kwargs["device"] = ifcfg.iface
if ifcfg.get("ONBOOT") and ifcfg.get("ONBOOT" ) == "no":
kwargs["onboot"] = False
if ifcfg.get('MTU') and ifcfg.get('MTU') != "0":
kwargs["mtu"] = ifcfg.get('MTU')
# ipv4
if not ifcfg.get('BOOTPROTO'):
kwargs["noipv4"] = True
else:
if ifcfg.get('BOOTPROTO').lower() == 'dhcp':
kwargs["bootProto"] = "dhcp"
if ifcfg.get('DHCPCLASS'):
kwargs["dhcpclass"] = ifcfg.get('DHCPCLASS')
elif ifcfg.get('IPADDR'):
kwargs["bootProto"] = "static"
kwargs["ip"] = ifcfg.get('IPADDR')
netmask = ifcfg.get('NETMASK')
prefix = ifcfg.get('PREFIX')
if not netmask and prefix:
netmask = isys.prefix2netmask(int(prefix))
if netmask:
kwargs["netmask"] = netmask
# note that --gateway is common for ipv4 and ipv6
if ifcfg.get('GATEWAY'):
kwargs["gateway"] = ifcfg.get('GATEWAY')
# ipv6
if (not ifcfg.get('IPV6INIT') or
ifcfg.get('IPV6INIT') == "no"):
kwargs["noipv6"] = True
else:
if ifcfg.get('IPV6_AUTOCONF') == "yes":
kwargs["ipv6"] = "auto"
else:
if ifcfg.get('IPV6ADDR'):
kwargs["ipv6"] = ifcfg.get('IPV6ADDR')
if ifcfg.get('IPV6_DEFAULTGW'):
kwargs["gateway"] = ifcfg.get('IPV6_DEFAULTGW')
if ifcfg.get('DHCPV6') == "yes":
kwargs["ipv6"] = "dhcp"
# ipv4 and ipv6
dnsline = ''
for key in ifcfg.info.keys():
if key.upper().startswith('DNS'):
if dnsline == '':
dnsline = ifcfg.get(key)
else:
dnsline += "," + ifcfg.get(key)
if dnsline:
kwargs["nameserver"] = dnsline
if ifcfg.get("ETHTOOL_OPTS"):
kwargs["ethtool"] = ifcfg.get("ETHTOOL_OPTS")
if ifcfg.get("ESSID"):
kwargs["essid"] = ifcfg.get("ESSID")
# hostname
if ifcfg.get("DHCP_HOSTNAME"):
kwargs["hostname"] = ifcfg.get("DHCP_HOSTNAME")
elif ifcfg.get("BOOTPROTO").lower != "dhcp":
if (hostname and
hostname != DEFAULT_HOSTNAME):
kwargs["hostname"] = hostname
return handler.NetworkData(**kwargs)
def getSSIDs(devices_to_scan=None):
rv = {}
bus = dbus.SystemBus()
nm = bus.get_object(isys.NM_SERVICE, isys.NM_MANAGER_PATH)
device_paths = nm.get_dbus_method("GetDevices")()
for device_path in device_paths:
device = bus.get_object(isys.NM_SERVICE, device_path)
device_props_iface = dbus.Interface(device, isys.DBUS_PROPS_IFACE)
# interface name, eg. "eth0", "wlan0"
dev = str(device_props_iface.Get(isys.NM_DEVICE_IFACE, "Interface"))
if (isys.isWirelessDevice(dev) and
(not devices_to_scan or dev in devices_to_scan)):
i = 0
log.info("scanning APs for %s" % dev)
while i < 5:
ap_paths = device.GetAccessPoints(dbus_interface='org.freedesktop.NetworkManager.Device.Wireless')
if ap_paths:
break
time.sleep(0.5)
i += 0.5
ssids = []
for ap_path in ap_paths:
ap = bus.get_object(isys.NM_SERVICE, ap_path)
ap_props = dbus.Interface(ap, isys.DBUS_PROPS_IFACE)
ssid_bytearray = ap_props.Get(isys.NM_ACCESS_POINT_IFACE, "Ssid")
ssid = "".join((str(b) for b in ssid_bytearray))
ssids.append(ssid)
log.info("APs found for %s: %s" % (dev, str(ssids)))
# XXX there can be duplicates in a list, but maybe
# we want to keep them when/if we differentiate on something
# more then just ssids; for now, remove them
rv[dev]=list(set(ssids))
return rv
def ifaceForHostIP(host):
route = iutil.execWithCapture("ip", [ "route", "get", "to", host ])
if not route:
log.error("Could not get interface for route to %s" % host)
return ""
routeInfo = route.split()
if routeInfo[0] != host or len(routeInfo) < 5 or \
"dev" not in routeInfo or routeInfo.index("dev") > 3:
log.error('Unexpected "ip route get to %s" reply: %s' %
(host, routeInfo))
return ""
return routeInfo[routeInfo.index("dev") + 1]
def copyFileToPath(file, destPath='', overwrite=False):
if not os.path.isfile(file):
return False
destfile = os.path.join(destPath, file.lstrip('/'))
if (os.path.isfile(destfile) and not overwrite):
return False
if not os.path.isdir(os.path.dirname(destfile)):
iutil.mkdirChain(os.path.dirname(destfile))
shutil.copy(file, destfile)
return True
# /etc/sysconfig/network-scripts/ifcfg-*
# /etc/sysconfig/network-scripts/keys-*
# TODO: routing info from /etc/sysconfig/network-scripts?
def copyIfcfgFiles(destPath):
files = os.listdir(netscriptsDir)
for cfgFile in files:
if cfgFile.startswith(("ifcfg-","keys-")):
srcfile = os.path.join(netscriptsDir, cfgFile)
copyFileToPath(srcfile, destPath)
# /etc/dhcp/dhclient-DEVICE.conf
# TODORV: do we really don't want overwrite on live cd?
def copyDhclientConfFiles(destPath):
for devName in getDevices():
dhclientfile = os.path.join("/etc/dhcp/dhclient-%s.conf" % devName)
copyFileToPath(dhclientfile, destPath)
def get_ksdevice_name(ksspec=""):
if not ksspec:
ksspec = flags.cmdline.get('ksdevice', "")
ksdevice = ksspec
bootif_mac = None
if ksdevice == 'bootif' and "BOOTIF" in flags.cmdline:
bootif_mac = flags.cmdline["BOOTIF"][3:].replace("-", ":").upper()
for dev in sorted(getDevices()):
# "eth0"
if ksdevice == dev:
break
# "link"
elif ksdevice == 'link' and isys.getLinkStatus(dev):
ksdevice = dev
break
# "XX:XX:XX:XX:XX:XX" (mac address)
elif ':' in ksdevice:
if ksdevice.upper() == isys.getMacAddress(dev):
ksdevice = dev
break
# "bootif" and BOOTIF==XX:XX:XX:XX:XX:XX
elif ksdevice == 'bootif':
if bootif_mac == isys.getMacAddress(dev):
ksdevice = dev
break
return ksdevice
# note that NetworkDevice.get returns "" if key is not found
def get_ifcfg_value(iface, key, root_path=""):
dev = NetworkDevice(os.path.normpath(root_path + netscriptsDir), iface)
dev.loadIfcfgFile()
return dev.get(key)
def set_hostname(hn):
if flags.imageInstall:
log.info("image install -- not setting hostname")
return
log.info("setting installation environment hostname to %s" % hn)
iutil.execWithRedirect("hostname", ["-v", hn ],
stdout="/dev/tty5", stderr="/dev/tty5")
def write_hostname(rootpath, ksdata, overwrite=False):
cfgfile = os.path.normpath(rootpath + hostnameFile)
if (os.path.isfile(cfgfile) and not overwrite):
return False
f = open(cfgfile, "w")
f.write("%s\n" % ksdata.network.hostname)
f.close()
return True
def write_sysconfig_network(rootpath, ksdata, overwrite=False):
cfgfile = os.path.normpath(rootpath + networkConfFile)
if (os.path.isfile(cfgfile) and not overwrite):
return False
f = open(cfgfile, "w")
f.write("# Generated by anaconda\n")
f.write("NETWORKING=yes\n")
gateway = ipv6_defaultgw = None
for iface in reversed(getDevices()):
if isys.isWirelessDevice(iface):
continue
dev = NetworkDevice(netscriptsDir, iface)
dev.loadIfcfgFile()
if dev.get('DEFROUTE') != "no":
continue
if dev.get('GATEWAY'):
gateway = dev.get('GATEWAY')
if dev.get('IPV6_DEFAULTGW'):
ipv6_defaultgw = dev.get('IPV6_DEFAULTGW')
if gateway and ipv6_defaultgw:
break
if gateway:
f.write("GATEWAY=%s\n" % gateway)
if ipv6_defaultgw:
f.write("IPV6_DEFAULTGW=%s\n" % ipv6_defaultgw)
f.close()
return True
def disableIPV6(rootpath):
cfgfile = os.path.normpath(rootpath + ipv6ConfFile)
if ('noipv6' in flags.cmdline
and not any(get_ifcfg_value(dev, 'IPV6INIT') == "yes"
for dev in getDevices())):
if os.path.exists(cfgfile):
log.warning('Not disabling ipv6, %s exists' % cfgfile)
else:
log.info('Disabling ipv6 on target system')
f = open(cfgfile, "w")
f.write("# Anaconda disabling ipv6\n")
f.write("options ipv6 disable=1\n")
f.close()
def disableNMForStorageDevices(rootpath, storage):
for devname in getDevices():
if (usedByFCoE(devname, storage) or
usedByRootOnISCSI(devname, storage)):
dev = NetworkDevice(rootpath + netscriptsDir, devname)
if os.access(dev.path, os.R_OK):
dev.loadIfcfgFile()
dev.set(('NM_CONTROLLED', 'no'))
dev.writeIfcfgFile()
log.info("network device %s used by storage will not be "
"controlled by NM" % devname)
else:
log.warning("disableNMForStorageDevices: ifcfg file for %s not found" %
devname)
# sets ONBOOT=yes (and its mirror value in ksdata) for devices used by FCoE
def autostartFCoEDevices(rootpath, storage, ksdata):
for devname in getDevices():
if usedByFCoE(devname, storage):
dev = NetworkDevice(rootpath + netscriptsDir, devname)
if os.access(dev.path, os.R_OK):
dev.loadIfcfgFile()
dev.set(('ONBOOT', 'yes'))
dev.writeIfcfgFile()
log.debug("setting ONBOOT=yes for network device %s used by fcoe"
% devname)
for nd in ksdata.network.network:
if nd.device == dev.iface:
nd.onboot = True
break
else:
log.warning("autoconnectFCoEDevices: ifcfg file for %s not found" %
devname)
def usedByFCoE(iface, storage):
for d in storage.devices:
if (isinstance(d, FcoeDiskDevice) and
d.nic == iface):
return True
return False
def usedByRootOnISCSI(iface, storage):
rootdev = storage.rootDevice
for d in storage.devices:
if (isinstance(d, iScsiDiskDevice) and
rootdev.dependsOn(d)):
if d.nic == "default" or ":" in d.nic:
if iface == ifaceForHostIP(d.host_address):
return True
elif d.nic == iface:
return True
return False
def write_network_config(storage, ksdata, instClass, rootpath):
write_hostname(rootpath, ksdata, overwrite=flags.livecdInstall)
set_hostname(ksdata.network.hostname)
write_sysconfig_network(rootpath, ksdata, overwrite=flags.livecdInstall)
disableIPV6(rootpath)
if not flags.imageInstall:
copyIfcfgFiles(rootpath)
copyDhclientConfFiles(rootpath)
copyFileToPath("/etc/resolv.conf", rootpath, overwrite=flags.livecdInstall)
# TODO the default for ONBOOT needs to be lay down
# before newui we didn't set it for kickstart installs
instClass.setNetworkOnbootDefault(ksdata)
# NM_CONTROLLED is not mirrored in ksdata
disableNMForStorageDevices(rootpath, storage)
autostartFCoEDevices(rootpath, storage, ksdata)
def wait_for_connecting_NM():
"""If NM is in connecting state, wait for connection.
Return value: NM has got connection."""
bus = dbus.SystemBus()
nm = bus.get_object(isys.NM_SERVICE, isys.NM_MANAGER_PATH)
props = dbus.Interface(nm, isys.DBUS_PROPS_IFACE)
state = props.Get(isys.NM_SERVICE, "State")
if state == isys.NM_STATE_CONNECTING:
log.debug("waiting for connecting NM (dhcp?)")
else:
return False
i = 0
while (state == isys.NM_STATE_CONNECTING and
i < CONNECTION_TIMEOUT):
state = props.Get(isys.NM_SERVICE, "State")
if nmIsConnected(state):
log.debug("connected, waited %d seconds" % i)
return True
i += 1
time.sleep(1)
log.debug("not connected, waited %d of %d secs" % (i, CONNECTION_TIMEOUT))
return False
def update_hostname_data(ksdata, hostname):
log.debug("updating hostname %s" % hostname)
hostname_found = False
for nd in ksdata.network.network:
if nd.hostname:
nd.hostname = hostname
hostname_found = True
if not hostname_found:
nd = kickstartNetworkData(hostname=hostname)
ksdata.network.network.append(nd)
def get_device_name(devspec):
devices = getDevices()
devname = None
if not devspec:
if "ksdevice" in flags.cmdline:
msg = "ksdevice boot parameter"
devname = get_ksdevice_name(flags.cmdline["ksdevice"])
elif hasActiveNetDev():
# device activated in stage 1 by network kickstart command
msg = "first active device"
devname = getActiveNetDevs()[0]
else:
msg = "first device found"
devname = min(devices)
log.info("unspecified network --device in kickstart, using %s (%s)" %
(devname, msg))
else:
if devspec.lower() == "ibft":
devname = ""
if devspec.lower() == "link":
for dev in sorted(devices):
if isys.getLinkStatus(dev):
devname = dev
break
else:
log.error("Kickstart: No network device with link found")
elif devspec.lower() == "bootif":
if "BOOTIF" in flags.cmdline:
# MAC address like 01-aa-bb-cc-dd-ee-ff
devname = flags.cmdline["BOOTIF"][3:]
devname = devname.replace("-",":")
else:
log.error("Using --device=bootif without BOOTIF= boot option supplied")
else: devname = devspec
if devname not in devices:
for d in devices:
if isys.getMacAddress(d).lower() == devname.lower():
devname = d
break
return devname
def setOnboot(ksdata):
for network_data in ksdata.network.network:
devname = get_device_name(network_data.device)
if not devname:
log.error("Kickstart: The provided network interface %s does not exist" % devname)
continue
dev = NetworkDevice(netscriptsDir, devname)
try:
dev.loadIfcfgFile()
except IOError as e:
log.info("Can't load ifcfg file %s, %s" % (dev.path, e))
continue
if network_data.onboot:
dev.set (("ONBOOT", "yes"))
else:
dev.set (("ONBOOT", "no"))
dev.writeIfcfgFile()
def networkInitialize(ksdata):
log.debug("network: devices found %s" % getDevices())
logIfcfgFiles("network initialization")
if not flags.imageInstall:
if createMissingDefaultIfcfgs():
logIfcfgFiles("ifcfgs created")
# For kickstart network --activate option we set ONBOOT=yes
# in dracut to get devices activated by NM. The real network --onboot
# value is set here.
setOnboot(ksdata)
if ksdata.network.hostname is None:
hostname = getHostname()
update_hostname_data(ksdata, hostname)
def wait_for_connecting_NM_thread(ksdata):
# connection (e.g. auto default dhcp) is activated by NM service
if wait_for_connecting_NM():
hostname = getHostname()
update_hostname_data(ksdata, hostname)
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