def scanConfiguration():
""" Returns a dictionary of string -> NIC with a snapshot of the NIC
configuration.
Filter out any NICs that have been reserved by the iBFT for use
with boot time iSCSI targets. (iBFT = iSCSI Boot Firmware Tables.)
This is because we cannot use NICs that are used to access iSCSI
LUNs for other purposes e.g. XenServer Management.
"""
conf = {}
nics = []
bdn = BiosDevName()
bdn.run()
for nif in getNetifList():
if nif not in diskutil.ibft_reserved_nics:
nics.append(nif)
for nic in bdn.devices:
name = nic.get("Kernel name", "")
if name in nics:
conf[name] = NIC(nic)
return conf
def remap_netdevs(remap_list):
# rename everything sideways to safe faffing with temp renanes
for x in ( x for x in os.listdir("/sys/class/net/") if x[:3] == "eth" ):
util.runCmd2(['ip', 'link', 'set', x, 'name', 'side-'+x])
bdn = BiosDevName()
bdn.run(policy="physical")
all_devices = bdn.devices[:]
parsed_list = filter(lambda x: x is not None, map(parse_arg, remap_list))
# python sorting is stable so the following results in sorted by
# static/dynamic, then subsorted by ethname
parsed_list.sort(key=lambda x: x[0])
parsed_list.sort(key=lambda x: x[1])
for rule in parsed_list:
target, sd, method, val = rule
# If the rule specifies an SMBios Label
if method == METH_LABEL:
dev = None
for d in bdn.devices:
if 'SMBIOS Label' in d and d['SMBIOS Label'] == val:
dev = d
break
if dev is None:
xelogging.log("No SMBios Label found for %s rule - Discarding"
% target)
continue
else:
bdn.devices.remove(dev)
if sd == DEV_STATIC:
srules.append('%s: label="%s"' % (target, val))
else:
drules.append([dev['Assigned MAC'].lower(),
dev['Bus Info'].lower(),
target])
xelogging.log("Renaming '%s' to '%s' due to SMBIOS Label" %
( dev['Kernel name'], target ))
util.runCmd2(['ip', 'link', 'set', dev['Kernel name'],
'name', target])
elif method == METH_MAC:
dev = None
for d in bdn.devices:
if d['Assigned MAC'].lower() == val:
dev = d
break
if dev is None:
xelogging.log("No device with mac address '%s' found for %s "
"rule - Discarding" % (val, target))
continue
else:
bdn.devices.remove(dev)
if sd == DEV_STATIC:
srules.append('%s: mac="%s"' % (target, val))
else:
drules.append([val, dev['Bus Info'].lower(), target])
xelogging.log("Renaming '%s' to '%s' due to MAC address" %
( dev['Kernel name'], target ))
util.runCmd2(['ip', 'link', 'set', dev['Kernel name'],
'name', target])
elif method == METH_PCI:
dev = None
for d in bdn.devices:
if d['Bus Info'].lower() == val:
dev = d
break
if dev is None:
xelogging.log("No device with pci address '%s' found for %s "
"rule - Discarding" % (val, target))
continue
else:
bdn.devices.remove(dev)
if sd == DEV_STATIC:
srules.append('%s: pci="%s"' % (target, val))
else:
drules.append([dev['Assigned MAC'].lower(),
val, target])
xelogging.log("Renaming '%s' to '%s' due to PCI mapping" %
( dev['Kernel name'], target ))
util.runCmd2(['ip', 'link', 'set', dev['Kernel name'],
'name', target])
elif method == METH_PPN:
dev = None
for d in bdn.devices:
if d['BIOS device'] == val:
dev = d
break
if dev is None:
xelogging.log("No device with physical address '%s' found for "
"%s rule - Discarding" % (val, target))
continue
else:
bdn.devices.remove(dev)
if sd == DEV_STATIC:
srules.append('%s: ppn="%s"' % (target, val))
else:
drules.append([dev['Assigned MAC'].lower(),
dev['Bus Info'].lower(),
target])
xelogging.log("Renaming '%s' to '%s' due to Physical name" %
( dev['Kernel name'], target ))
util.runCmd2(['ip', 'link', 'set', dev['Kernel name'],
'name', target])
else:
xelogging.log("Unrecognised method - Ignoring")
side_devs = [ x for x in os.listdir("/sys/class/net") if x[:5] == "side-" ]
side_devs.sort(key=lambda x: int(x[8:]))
if len(side_devs):
xelogging.log("Renaming devices which have not been displaced by mapping rules")
for x in side_devs:
if not os.path.exists("/sys/class/net/"+x[5:]):
for dev in all_devices:
if dev['Kernel name'] == x:
drules.append([dev['Assigned MAC'].lower(),
dev['Bus Info'].lower(),
x[5:]])
util.runCmd2(['ip', 'link', 'set', x, 'name', x[5:]])
def gen_free_netdev():
x = -1
while True:
x += 1
if not os.path.exists("/sys/class/net/eth%d" % x):
yield "eth%d" % x
free_netdev = gen_free_netdev()
side_devs = [ x for x in os.listdir("/sys/class/net") if x[:5] == "side-" ]
side_devs.sort(key=lambda x: int(x[8:]))
if len(side_devs):
xelogging.log("Reallocating names for devices which have been displaced")
for x in side_devs:
free_dev = free_netdev.next()
for dev in all_devices:
if dev['Kernel name'] == x:
drules.append([dev['Assigned MAC'].lower(),
dev['Bus Info'].lower(),
free_dev])
util.runCmd2(['ip', 'link', 'set', x, 'name', free_dev])
xelogging.log("All done ordering the network devices")
xelogging.log("Static rules = %r" % srules)
xelogging.log("Dynamic rules = %r" % drules)
def completeUpgrade(self, mounts, prev_install, target_disk, backup_partnum, admin_iface, admin_bridge, admin_config):
util.assertDir(os.path.join(mounts['root'], "var/xapi"))
util.assertDir(os.path.join(mounts['root'], "etc/xensource"))
Upgrader.completeUpgrade(self, mounts, target_disk, backup_partnum)
if not os.path.exists(os.path.join(mounts['root'], constants.DBCACHE)):
# upgrade from 5.5, generate dbcache
save_dir = os.path.join(mounts['root'], constants.FIRSTBOOT_DATA_DIR, 'initial-ifcfg')
util.assertDir(save_dir)
dbcache_file = os.path.join(mounts['root'], constants.DBCACHE)
dbcache_fd = open(dbcache_file, 'w')
network_uid = util.getUUID()
dbcache_fd.write('<?xml version="1.0" ?>\n<xenserver-network-configuration>\n')
if admin_iface.startswith('bond'):
top_pif_uid = bond_pif_uid = util.getUUID()
bond_uid = util.getUUID()
# find slaves of this bond and write PIFs for them
slaves = []
for file in [ f for f in os.listdir(os.path.join(mounts['root'], constants.NET_SCR_DIR))
if re.match('ifcfg-eth[0-9]+$', f) ]:
slavecfg = util.readKeyValueFile(os.path.join(mounts['root'], constants.NET_SCR_DIR, file), strip_quotes = False)
if slavecfg.has_key('MASTER') and slavecfg['MASTER'] == admin_iface:
slave_uid = util.getUUID()
slave_net_uid = util.getUUID()
slaves.append(slave_uid)
slave = NetInterface.loadFromIfcfg(os.path.join(mounts['root'], constants.NET_SCR_DIR, file))
slave.writePif(slavecfg['DEVICE'], dbcache_fd, slave_uid, slave_net_uid, ('slave-of', bond_uid))
# locate bridge that has this interface as its PIFDEV
bridge = None
for file in [ f for f in os.listdir(os.path.join(mounts['root'], constants.NET_SCR_DIR))
if re.match('ifcfg-xenbr[0-9]+$', f) ]:
brcfg = util.readKeyValueFile(os.path.join(mounts['root'], constants.NET_SCR_DIR, file), strip_quotes = False)
if brcfg.has_key('PIFDEV') and brcfg['PIFDEV'] == slavecfg['DEVICE']:
bridge = brcfg['DEVICE']
break
assert bridge
dbcache_fd.write('\t<network ref="OpaqueRef:%s">\n' % slave_net_uid)
dbcache_fd.write('\t\t<uuid>%sSlaveNetwork</uuid>\n' % slavecfg['DEVICE'])
dbcache_fd.write('\t\t<PIFs>\n\t\t\t<PIF>OpaqueRef:%s</PIF>\n\t\t</PIFs>\n' % slave_uid)
dbcache_fd.write('\t\t<bridge>%s</bridge>\n' % bridge)
dbcache_fd.write('\t\t<other_config/>\n\t</network>\n')
# write bond
dbcache_fd.write('\t<bond ref="OpaqueRef:%s">\n' % bond_uid)
dbcache_fd.write('\t\t<master>OpaqueRef:%s</master>\n' % bond_pif_uid)
dbcache_fd.write('\t\t<uuid>InitialManagementBond</uuid>\n\t\t<slaves>\n')
for slave_uid in slaves:
dbcache_fd.write('\t\t\t<slave>OpaqueRef:%s</slave>\n' % slave_uid)
dbcache_fd.write('\t\t</slaves>\n\t</bond>\n')
# write bond PIF
admin_config.writePif(admin_iface, dbcache_fd, bond_pif_uid, network_uid, ('master-of', bond_uid))
else:
top_pif_uid = util.getUUID()
# write PIF
admin_config.writePif(admin_iface, dbcache_fd, top_pif_uid, network_uid)
dbcache_fd.write('\t<network ref="OpaqueRef:%s">\n' % network_uid)
dbcache_fd.write('\t\t<uuid>InitialManagementNetwork</uuid>\n')
dbcache_fd.write('\t\t<PIFs>\n\t\t\t<PIF>OpaqueRef:%s</PIF>\n\t\t</PIFs>\n' % top_pif_uid)
dbcache_fd.write('\t\t<bridge>%s</bridge>\n' % admin_bridge)
dbcache_fd.write('\t\t<other_config/>\n\t</network>\n')
dbcache_fd.write('</xenserver-network-configuration>\n')
dbcache_fd.close()
util.runCmd2(['cp', '-p', dbcache_file, save_dir])
else:
# upgrade from 5.6
changed = False
dbcache_file = os.path.join(mounts['root'], constants.DBCACHE)
rdbcache_fd = open(dbcache_file)
wdbcache_fd = open(dbcache_file + '.new', 'w')
for line in rdbcache_fd:
wdbcache_fd.write(line)
if '<pif ref=' in line:
wdbcache_fd.write("\t\t<tunnel_access_PIF_of/>\n")
changed = True
rdbcache_fd.close()
wdbcache_fd.close()
if changed:
os.rename(dbcache_file + '.new', dbcache_file)
else:
os.remove(dbcache_file + '.new')
v = Version(prev_install.version.ver)
f = open(os.path.join(mounts['root'], 'var/tmp/.previousVersion'), 'w')
f.write("PRODUCT_VERSION='%s'\n" % v)
f.close()
state = open(os.path.join(mounts['root'], constants.FIRSTBOOT_DATA_DIR, 'host.conf'), 'w')
print >>state, "UPGRADE=true"
state.close()
# CP-1508: preserve AD service state
ad_on = False
try:
fh = open(os.path.join(mounts['root'], 'etc/nsswitch.conf'), 'r')
for line in fh:
if line.startswith('passwd:') and 'lsass' in line:
ad_on = True
break
fh.close()
except:
pass
if ad_on:
for service in ['dcerpd', 'eventlogd', 'netlogond', 'npcmuxd', 'lsassd']:
util.runCmd2(['chroot', mounts['root'], 'chkconfig', '--add', service])
# EA-1069: create interface-rename state from old xapi database if it doesnt currently exist (static-rules.conf)
if not os.path.exists(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/static-rules.conf')):
static_text = (
"# Static rules. Autogenerated by the installer from either the answerfile or from previous install\n"
"# WARNING - rules in this file override the 'lastboot' assignment of names,\n"
"# so editing it may cause unexpected renaming on next boot\n\n"
"# Rules are of the form:\n"
"# target name: id method = \"value\"\n\n"
"# target name must be in the form eth*\n"
"# id methods are:\n"
"# mac: value should be the mac address of a device (e.g. DE:AD:C0:DE:00:00)\n"
"# pci: value should be the pci bus location of the device (e.g. 0000:01:01.1)\n"
"# ppn: value should be the result of the biosdevname physical naming policy of a device (e.g. pci1p1)\n"
"# label: value should be the SMBios label of a device (for SMBios 2.6 or above)\n")
if not os.path.exists(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/.from_install/')):
os.makedirs(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/.from_install/'), 0775)
fout1 = open(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/static-rules.conf'), "w")
fout1.write(static_text)
fout1.close()
fout2 = open(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/.from_install/static-rules.conf'), "w")
fout2.write(static_text)
fout2.close()
bdn = BiosDevName()
bdn.run()
devices = bdn.devices
# this is a dirty hack but I cant think of much better
dbcache = open(os.path.join(mounts['root'], constants.DBCACHE), "r")
past_devs = []
mac_next = False
eth_next = False
for line in ( x.strip() for x in dbcache ):
if mac_next:
past_devs.append([line.upper()])
mac_next = False
continue
if eth_next:
for bdev in devices:
if bdev.get('Assigned MAC', None) == past_devs[-1][0] and 'Bus Info' in bdev:
past_devs[-1].extend([bdev['Bus Info'], line])
break
eth_next = False
continue
if line == "<MAC>":
mac_next = True
continue
if line == "<device>":
eth_next = True
dbcache.close()
def jsonify(mac, pci, dev):
return '[ "%s", "%s", "%s" ]' % (mac, pci, dev)
dynamic_text = ("# Automatically adjusted file. Do not edit unless you are certain you know how to\n")
dynamic_text += '{"lastboot":[%s],"old":[]}' % (','.join(map(lambda x: jsonify(*x), (x for x in past_devs if len(x) == 3))), )
fout3 = open(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/dynamic-rules.json'), "w")
fout3.write(dynamic_text)
fout3.close()
fout4 = open(os.path.join(mounts['root'], 'etc/sysconfig/network-scripts/interface-rename-data/.from_install/dynamic-rules.json'), "w")
fout4.write(dynamic_text)
fout4.close()
if Version(prev_install.version.ver) < product.THIS_PRODUCT_VERSION:
# set journalling option on EXT local SRs
l = LVMTool()
for lv in l.lvs:
if lv['vg_name'].startswith(l.VG_EXT_SR_PREFIX):
l.activateVG(lv['vg_name'])
path = '/dev/mapper/%s-%s' % (lv['vg_name'].replace('-', '--'),
lv['lv_name'].replace('-', '--'))
xelogging.log("Setting ordered on " + path)
util.runCmd2(['tune2fs', '-o', 'journal_data_ordered', path])
l.deactivateVG(lv['vg_name'])
