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#
# fcoe.py - fcoe class
#
# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
#
# 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/>.
#
import os
import iutil
import logging
import time
from flags import flags
log = logging.getLogger("anaconda")
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
_fcoe_module_loaded = False
def has_fcoe():
global _fcoe_module_loaded
if not _fcoe_module_loaded:
iutil.execWithRedirect("modprobe", [ "fcoe" ],
stdout = "/dev/tty5", stderr="/dev/tty5",
searchPath = 1)
_fcoe_module_loaded = True
return os.access("/sys/module/fcoe", os.X_OK)
class fcoe(object):
def __init__(self):
self.started = False
self.nics = []
def _stabilize(self, intf = None):
if intf:
w = intf.waitWindow(_("Connecting to FCoE SAN"),
_("Connecting to FCoE SAN"))
# I have no clue how long we need to wait, this ought to do the trick
time.sleep(10)
iutil.execWithRedirect("udevadm", [ "settle" ],
stdout = "/dev/tty5", stderr="/dev/tty5",
searchPath = 1)
if intf:
w.pop()
def startup(self, intf = None):
if self.started:
return
if not has_fcoe():
return
# Place holder for adding autodetection of FCoE setups based on
# firmware tables (like iBFT for iSCSI)
self.started = True
def addSan(self, nic, intf=None):
if not has_fcoe():
raise IOError, _("FCoE not available")
log.info("Activating FCoE SAN attached to %s" % nic)
f = open("/sys/module/fcoe/parameters/create", "w")
f.write(nic)
f.close()
self._stabilize(intf)
self.nics.append(nic)
def writeKS(self, f):
# fixme plenty (including add ks support for fcoe in general)
return
def write(self, instPath, anaconda):
if flags.test or not self.nics:
return
if not os.path.isdir(instPath + "/etc/fcoe"):
os.makedirs(instPath + "/etc/fcoe", 0755)
for nic in self.nics:
fd = os.open(instPath + "/etc/fcoe/cfg-" + nic,
os.O_RDWR | os.O_CREAT)
os.write(fd, '# Created by anaconda\n')
os.write(fd, '# Enable/Disable FCoE service at the Ethernet port\n')
os.write(fd, 'FCOE_ENABLE="yes"\n')
os.write(fd, '# Indicate if DCB service is required at the Ethernet port\n')
os.write(fd, 'DCB_REQUIRED="no"\n')
os.close(fd)
return
# vim:tw=78:ts=4:et:sw=4
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