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Copy pathXSConsoleData.py
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XSConsoleData.py
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# Copyright (c) 2007-2009 Citrix Systems Inc.
#
# 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; version 2 only.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import XenAPI
import commands, re, shutil, sys, tempfile, socket, os
from pprint import pprint
from simpleconfig import SimpleConfigFile
from XSConsoleAuth import *
from XSConsoleKeymaps import *
from XSConsoleLang import *
from XSConsoleLog import *
from XSConsoleState import *
from XSConsoleUtils import *
class DataMethod:
def __init__(self, inSend, inName):
self.send = inSend
self.name = inName
def __getattr__(self, inName):
return DataMethod(self.send, self.name+[inName])
def __call__(self, inDefault = None):
return self.send(self.name, inDefault)
class Data:
DISK_TIMEOUT_SECONDS = 60
instance = None
def __init__(self):
self.data = {}
self.session = None
@classmethod
def Inst(cls):
if cls.instance is None:
cls.instance = Data()
cls.instance.Create()
return cls.instance
@classmethod
def Reset(cls):
if cls.instance is not None:
del cls.instance
cls.instance = None
def DataCache(self):
# Not for general use
return self.data
def GetData(self, inNames, inDefault = None):
data = self.data
for name in inNames:
if name is '__repr__':
# Error - missing ()
raise Exception('Data call Data.' + '.'.join(inNames[:-1]) + ' must end with ()')
elif name in data:
data = data[name]
else:
return FirstValue(inDefault, Lang('<Unknown>'))
return data
# Attribute access can be used in two ways
# self.host.software_version.oem_model()
# returns the value of self.data['host']['software_version']['oem_model'], or the string '<Unknown>'
# if the element doesn't exist.
# self.host.software_version.oem_model('Default')
# is similar but returns the parameter ('Default' in this case) if the element doesn't exist
def __getattr__(self, inName):
if inName[0].isupper():
# Don't expect elements to start with upper case, so probably an unknown method name
raise Exception("Unknown method Data."+inName)
return DataMethod(self.GetData, [inName])
def RequireSession(self):
if self.session is None:
self.session = Auth.Inst().OpenSession()
return self.session
def Create(self):
# Create fills in data that never changes. Update fills volatile data
self.data = {}
self.ReadTimezones()
self.ReadKeymaps()
(status, output) = commands.getstatusoutput("dmidecode")
if status != 0:
# Use test dmidecode file if there's no real output
(status, output) = commands.getstatusoutput("/bin/cat ./dmidecode.txt")
if status == 0:
self.ScanDmiDecode(output.split("\n"))
(status, output) = commands.getstatusoutput("/sbin/lspci -m")
if status != 0:
(status, output) = commands.getstatusoutput("/usr/bin/lspci -m")
if status == 0:
self.ScanLspci(output.split("\n"))
if os.path.isfile("/usr/bin/ipmitool"):
(status, output) = commands.getstatusoutput("/usr/bin/ipmitool mc info")
if status == 0:
self.ScanIpmiMcInfo(output.split("\n"))
# /proc/cpuinfo has details of the virtual CPUs exposed to DOM-0, not necessarily the real CPUs
(status, output) = commands.getstatusoutput("/bin/cat /proc/cpuinfo")
if status == 0:
self.ScanCPUInfo(output.split("\n"))
(status, output) = commands.getstatusoutput("/usr/bin/openssl x509 -in %s/xapi-ssl.pem -fingerprint -noout" % (Config.Inst().XCPConfigDir()))
if status == 0:
fp = output.split("=")
if len(fp) >= 2:
self.data['sslfingerprint'] = fp[1]
else:
self.data['sslfingerprint'] = "<Unknown>"
try:
self.data['sshfingerprint'] = ShellPipe('/usr/bin/ssh-keygen', '-lf', '/etc/ssh/ssh_host_rsa_key.pub').AllOutput()[0].split(' ')[1]
except:
self.data['sshfingerprint'] = Lang('<Unknown>')
self.Update()
def FakeMetrics(self, inPIF):
retVal = {
'carrier' : False,
'device_name' : '',
'vendor_name' : ''
}
return retVal
def CloseSession(self):
if self.session is not None:
self.session = Auth.Inst().CloseSession(self.session)
def Update(self):
self.data['host'] = {}
self.RequireSession()
if self.session is not None:
try:
try:
thisHost = self.session.xenapi.session.get_this_host(self.session._session)
except XenAPI.Failure, e:
XSLog('Data update connection failed - retrying. Exception was:', e)
self.session = Auth.Inst().CloseSession(self.session)
self.RequireSession()
if self.session is None:
raise Exception('Could not connect to local xapi')
thisHost = self.session.xenapi.session.get_this_host(self.session._session)
hostRecord = self.session.xenapi.host.get_record(thisHost)
self.data['host'] = hostRecord
self.data['host']['opaqueref'] = thisHost
# Expand the items we need in the host record
self.data['host']['metrics'] = self.session.xenapi.host_metrics.get_record(self.data['host']['metrics'])
try:
self.data['host']['suspend_image_sr'] = self.session.xenapi.SR.get_record(self.data['host']['suspend_image_sr'])
except:
# NULL or dangling reference
self.data['host']['suspend_image_sr'] = None
try:
self.data['host']['crash_dump_sr'] = self.session.xenapi.SR.get_record(self.data['host']['crash_dump_sr'])
except:
# NULL or dangling reference
self.data['host']['crash_dump_sr'] = None
convertCPU = lambda cpu: self.session.xenapi.host_cpu.get_record(cpu)
self.data['host']['host_CPUs'] = map(convertCPU, self.data['host']['host_CPUs'])
def convertPIF(inPIF):
retVal = self.session.xenapi.PIF.get_record(inPIF)
try:
retVal['metrics'] = self.session.xenapi.PIF_metrics.get_record(retVal['metrics'])
except XenAPI.Failure:
retVal['metrics' ] = self.FakeMetrics(inPIF)
try:
retVal['network'] = self.session.xenapi.network.get_record(retVal['network'])
except XenAPI.Failure, e:
XSLogError('Missing network record: ', e)
retVal['opaqueref'] = inPIF
return retVal
self.data['host']['PIFs'] = map(convertPIF, self.data['host']['PIFs'])
# Create missing PIF names
for pif in self.data['host']['PIFs']:
if pif['metrics']['device_name'] == '':
if not pif['physical']:
# Bonded PIF
pif['metrics']['device_name'] = Lang("Virtual PIF within ")+pif['network'].get('name_label', Lang('<Unknown>'))
else:
pif['metrics']['device_name'] = Lang('<Unknown>')
# Sort PIFs by device name for consistent order
self.data['host']['PIFs'].sort(lambda x, y : cmp(x['device'], y['device']))
def convertVBD(inVBD):
retVBD = self.session.xenapi.VBD.get_record(inVBD)
retVBD['opaqueref'] = inVBD
return retVBD
def convertVDI(inVDI):
retVDI = self.session.xenapi.VDI.get_record(inVDI)
retVDI['VBDs'] = map(convertVBD, retVDI['VBDs'])
retVDI['opaqueref'] = inVDI
return retVDI
def convertPBD(inPBD):
retPBD = self.session.xenapi.PBD.get_record(inPBD)
srRef = retPBD['SR']
try:
retPBD['SR'] = self.session.xenapi.SR.get_record(retPBD['SR'])
except:
retPBD['SR'] = None # retPBD['SR'] is OpaqueRef:NULL
# Get VDIs for udev SRs only - a pool may have thousands of non-udev VDIs
if retPBD['SR'] is not None:
retPBD['SR']['opaqueref'] = srRef
if retPBD['SR'].get('type', '') == 'udev':
retPBD['SR']['VDIs'] = map(convertVDI, retPBD['SR']['VDIs'])
for vdi in retPBD['SR']['VDIs']:
vdi['SR'] = retPBD['SR']
retPBD['opaqueref'] = inPBD
return retPBD
self.data['host']['PBDs'] = map(convertPBD, self.data['host']['PBDs'])
# Only load the to DOM-0 VM to save time
vmList = self.data['host']['resident_VMs']
for i in range(len(vmList)):
vm = vmList[i]
domID = self.session.xenapi.VM.get_domid(vm)
if domID == '0':
vmList[i] = self.session.xenapi.VM.get_record(vm)
vmList[i]['allowed_VBD_devices'] = self.session.xenapi.VM.get_allowed_VBD_devices(vm)
vmList[i]['opaqueref'] = vm
pools = self.session.xenapi.pool.get_all_records()
def convertPool(inID, inPool):
retPool = inPool
retPool['opaqueref'] = inID
try:
retPool['master_uuid'] = self.session.xenapi.host.get_uuid(inPool['master'])
except:
retPool['master_uuid'] = None
# SRs in the pool record are often apparently valid but dangling references.
# We fetch the uuid to determine whether the SRs are real.
try:
retPool['default_SR_uuid'] = self.session.xenapi.SR.get_uuid(inPool['default_SR'])
except:
retPool['default_SR_uuid'] = None
try:
retPool['suspend_image_SR_uuid'] = self.session.xenapi.SR.get_uuid(inPool['suspend_image_SR'])
except:
retPool['suspend_image_SR_uuid'] = None
try:
retPool['crash_dump_SR_uuid'] = self.session.xenapi.SR.get_uuid(inPool['crash_dump_SR'])
except:
retPool['crash_dump_SR_uuid'] = None
return retPool
self.data['pools'] = {}
for id, pool in pools.iteritems():
self.data['pools'][id] = convertPool(id, pool)
except socket.timeout:
self.session = None
except Exception, e:
XSLogError('Data update failed: ', e)
try:
self.data['sr'] = []
pbdRefs = []
for pbd in self.data['host'].get('PBDs', []):
pbdRefs.append(pbd['opaqueref'])
srMap= self.session.xenapi.SR.get_all_records()
for opaqueRef, values in srMap.iteritems():
values['opaqueref'] = opaqueRef
values['islocal'] = False
for pbdRef in values.get('PBDs', []):
if pbdRef in pbdRefs:
values['islocal'] = True
self.data['sr'].append(values)
except Exception, e:
XSLogError('SR data update failed: ', e)
self.UpdateFromResolveConf()
self.UpdateFromSysconfig()
self.UpdateFromNTPConf()
self.UpdateFromTimezone()
self.UpdateFromKeymap()
if os.path.isfile("/sbin/chkconfig"):
(status, output) = commands.getstatusoutput("/sbin/chkconfig --list sshd && /sbin/chkconfig --list ntpd")
if status == 0:
self.ScanChkConfig(output.split("\n"))
self.DeriveData()
def DeriveData(self):
self.data.update({
'derived' : {
'app_name' : Lang("XenCenter"),
'full_app_name' : Lang("Citrix XenCenter"),
'cpu_name_summary' : {}
}
})
# Gather up the CPU model names into a more convenient form
if 'host_CPUs' in self.data['host']:
hostCPUs = self.data['host']['host_CPUs']
cpuNameSummary = self.data['derived']['cpu_name_summary']
for cpu in hostCPUs:
name = " ".join(cpu['modelname'].split())
if name in cpuNameSummary:
cpuNameSummary[name] += 1
else:
cpuNameSummary[name] = 1
# Select the current management PIFs
self.data['derived']['managementpifs'] = []
if 'PIFs' in self.data['host']:
for pif in self.data['host']['PIFs']:
if pif['management']:
self.data['derived']['managementpifs'].append(pif)
# Add a reference to the DOM-0 VM
if 'resident_VMs' in self.data['host']:
for vm in self.data['host']['resident_VMs']:
if 'domid' in vm and vm['domid'] == '0':
self.data['derived']['dom0_vm'] = vm
# Calculate the full version string
version = self.host.software_version.product_version(self.host.software_version.platform_version())
version += '-' + self.host.software_version.build_number('')
oemBuildNumber = self.host.software_version.oem_build_number('')
if oemBuildNumber != '':
version += '-'+oemBuildNumber
if version.startswith('-'):
version = Lang("<Unknown>")
self.data['derived']['fullversion'] = version
# Calculate the branding string
brand = self.host.software_version.product_brand(self.host.software_version.platform_name())
self.data['derived']['brand'] = brand
def Dump(self):
pprint(self.data)
def HostnameSet(self, inHostname):
Auth.Inst().AssertAuthenticated()
# Protect from shell escapes
if not re.match(r'[-A-Za-z0-9.]+$', inHostname):
raise Exception("Invalid hostname '"+inHostname+"'")
IPUtils.AssertValidNetworkName(inHostname)
self.RequireSession()
self.session.xenapi.host.set_hostname_live(self.host.opaqueref(), inHostname)
def NameLabelSet(self, inNameLabel):
self.RequireSession()
self.session.xenapi.host.set_name_label(self.host.opaqueref(), inNameLabel)
def NameserversSet(self, inServers):
self.data['dns']['nameservers'] = inServers
def NTPServersSet(self, inServers):
self.data['ntp']['servers'] = inServers
def LoggingDestinationSet(self, inDestination):
Auth.Inst().AssertAuthenticated()
self.RequireSession()
self.session.xenapi.host.remove_from_logging(self.host.opaqueref(), 'syslog_destination')
self.session.xenapi.host.add_to_logging(self.host.opaqueref(), 'syslog_destination', inDestination)
self.session.xenapi.host.syslog_reconfigure(self.host.opaqueref())
def UpdateFromResolveConf(self):
(status, output) = commands.getstatusoutput("/bin/cat /etc/resolv.conf")
if status == 0:
self.ScanResolvConf(output.split("\n"))
def UpdateFromSysconfig(self):
(status, output) = commands.getstatusoutput("/bin/cat /etc/sysconfig/network")
if status == 0:
self.ScanSysconfigNetwork(output.split("\n"))
def UpdateFromNTPConf(self):
(status, output) = commands.getstatusoutput("/bin/cat /etc/ntp.conf")
if status == 0:
self.ScanNTPConf(output.split("\n"))
def StringToBool(self, inString):
return inString.lower().startswith('true')
def RootLabel(self):
output = commands.getoutput('/bin/cat /proc/cmdline')
match = re.search(r'root=\s*LABEL\s*=\s*(\S+)', output)
if match:
retVal = match.group(1)
else:
retVal = 'xe-0x'
return retVal
def GetVersion(self, inLabel):
match = re.match(r'(xe-|rt-)(\d+)[a-z]', inLabel)
if match:
retVal = int(match.group(2))
else:
retVal = 0
return retVal
def SaveToSysconfig(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
file = None
try:
file = open("/etc/sysconfig/network", "w")
for other in self.sysconfig.network.othercontents([]):
file.write(other+"\n")
file.write("HOSTNAME="+self.sysconfig.network.hostname('')+"\n")
finally:
if file is not None: file.close()
self.UpdateFromSysconfig()
def SaveToNTPConf(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
file = None
try:
file = open("/etc/ntp.conf", "w")
for other in self.ntp.othercontents([]):
file.write(other+"\n")
for server in self.ntp.servers([]):
file.write("server "+server+"\n")
finally:
if file is not None: file.close()
self.UpdateFromNTPConf()
def ScanDmiDecode(self, inLines):
STATE_NEXT_ELEMENT = 2
state = 0
handles = []
self.data['dmi'] = {
'cpu_sockets' : 0,
'cpu_populated_sockets' : 0,
'memory_sockets' : 0,
'memory_modules' : 0,
'memory_size' : 0
}
for line in inLines:
indent = 0
while len(line) > 0 and line[0] == "\t":
indent += 1
line = line[1:]
if indent == 0 and state > 3:
state = STATE_NEXT_ELEMENT
if state == 0:
self.data['dmi']['dmi_banner'] = line
state += 1
elif state == 1:
match = re.match(r'(SMBIOS\s+\S+).*', line)
if match:
self.data['dmi']['smbios'] = match.group(1)
state += 1
elif state == 2:
# scan for 'Handle...' line
if indent == 0:
match = re.match(r'Handle (.*)$', line)
if match and (match.group(1) not in handles):
handles.append(match.group(1))
state += 1
elif state == 3:
if indent == 0:
elementName = line
if elementName == 'BIOS Information': state = 4
elif elementName == 'System Information': state = 5
elif elementName == 'Chassis Information': state = 6
elif elementName == 'Processor Information': state = 7
elif elementName == 'Memory Device': state = 8
else:
state = STATE_NEXT_ELEMENT
else:
state = STATE_NEXT_ELEMENT
elif state == 4: # BIOS Information
self.Match(line, r'Vendor:\s*(.*?)\s*$', 'bios_vendor')
self.Match(line, r'Version:\s*(.*?)\s*$', 'bios_version')
elif state == 5: # System Information
self.Match(line, r'Manufacturer:\s*(.*?)\s*$', 'system_manufacturer')
self.Match(line, r'Product Name:\s*(.*?)\s*$', 'system_product_name')
self.Match(line, r'Serial Number:\s*(.*?)\s*$', 'system_serial_number')
elif state == 6: # Chassis information
self.Match(line, r'Asset Tag:\s*(.*?)\s*$', 'asset_tag')
elif state == 7: # Processor information
if self.MultipleMatch(line, r'Socket Designation:\s*(.*?)\s*$', 'cpu_socket_designations'):
self.data['dmi']['cpu_sockets'] += 1
if re.match(r'Status:.*Populated.*', line):
self.data['dmi']['cpu_populated_sockets'] += 1
elif state == 8: # Memory Device
if self.MultipleMatch(line, r'Locator:\s*(.*?)\s*$', 'memory_locators'):
self.data['dmi']['memory_sockets'] += 1
match = self.MultipleMatch(line, r'Size:\s*(.*?)\s*$', 'memory_sizes')
if match:
size = re.match(r'(\d+)\s+([MGBmgb]+)', match.group(1))
if size and size.group(2).lower() == 'mb':
self.data['dmi']['memory_size'] += int(size.group(1))
self.data['dmi']['memory_modules'] += 1
elif size and size.group(2).lower() == 'gb':
self.data['dmi']['memory'] += int(size.group(1)) * 1024
self.data['dmi']['memory_modules'] += 1
def Match(self, inLine, inRegExp, inKey):
match = re.match(inRegExp, inLine)
if match:
self.data['dmi'][inKey] = match.group(1)
return match
def MultipleMatch(self, inLine, inRegExp, inKey):
match = re.match(inRegExp, inLine)
if match:
if not self.data['dmi'].has_key(inKey):
self.data['dmi'][inKey] = []
self.data['dmi'][inKey].append(match.group(1))
return match
def ScanLspci(self, inLines):
self.data['lspci'] = {
'storage_controllers' : []
}
# Spot storage controllers by looking for keywords or the phrase 'storage controller' in the lspci output
classExp = re.compile(r'[Ss]torage|IDE|PATA|SATA|SCSI|SAS|RAID|[Ff]iber [Cc]hannel|[Ff]ibre [Cc]hannel')
nameExp = re.compile(r'IDE|PATA|SATA|SCSI|SAS|RAID|[Ff]iber [Cc]hannel|[Ff]ibre [Cc]hannel')
unknownExp = re.compile(r'[Uu]nknown [Dd]evice')
regExp = re.compile(
r'[^"]*' + # Bus position, etc.
r'"([^"]*)"[^"]+' + # Class
r'"([^"]*)"[^"]+' + # Vendor
r'"([^"]*)"[^"]+' + # Device
r'"([^"]*)"[^"]+' + # SVendor
r'"([^"]*)"') # SDevice
for line in inLines:
match = regExp.match(line)
if match:
devClass = match.group(1)
devVendor = match.group(2)
devName = match.group(3)
devSVendor = match.group(4)
devSName = match.group(5)
# Determine whether this device is a storage controller
if (classExp.search(devClass) or
nameExp.search(devName) or
nameExp.search(devSName)):
# Device is a candidate for the list. Do we have a useful name for it?
if not unknownExp.search(devSName) and devSName != '':
self.data['lspci']['storage_controllers'].append((devClass, devSVendor+' '+devSName)) # Tuple so double brackets
elif not unknownExp.search(devName):
self.data['lspci']['storage_controllers'].append((devClass, devName)) # Tuple so double brackets
else:
self.data['lspci']['storage_controllers'].append((devClass, devVendor+' '+devName)) # Tuple so double brackets
def ScanIpmiMcInfo(self, inLines):
self.data['bmc'] = {}
for line in inLines:
match = re.match(r'Firmware\s+Revision\s*:\s*([-0-9.]+)', line)
if match:
self.data['bmc']['version'] = match.group(1)
def ScanChkConfig(self, inLines):
self.data['chkconfig'] = {}
for line in inLines:
# Is sshd on for runlevel 5?
if re.match(r'sshd.*5\s*:\s*on', line, re.IGNORECASE):
self.data['chkconfig']['sshd'] = True
elif re.match(r'sshd.*5\s*:\s*off', line, re.IGNORECASE):
self.data['chkconfig']['sshd'] = False
# else leave as Unknown
elif re.match(r'ntpd.*5\s*:\s*on', line, re.IGNORECASE):
self.data['chkconfig']['ntpd'] = True
elif re.match(r'ntpd.*5\s*:\s*off', line, re.IGNORECASE):
self.data['chkconfig']['ntpd'] = False
def ScanResolvConf(self, inLines):
self.data['dns'] = {
'nameservers' : [],
'othercontents' : []
}
for line in inLines:
match = re.match(r'nameserver\s+(\S+)', line)
if match:
self.data['dns']['nameservers'].append(match.group(1))
else:
self.data['dns']['othercontents'].append(line)
def ScanSysconfigNetwork(self, inLines):
if not 'sysconfig' in self.data:
self.data['sysconfig'] = {}
self.data['sysconfig']['network'] = {'othercontents' : [] }
for line in inLines:
match = re.match(r'HOSTNAME\s*=\s*(.*)', line)
if match:
self.data['sysconfig']['network']['hostname'] = match.group(1)
else:
self.data['sysconfig']['network']['othercontents'].append(line)
def ScanNTPConf(self, inLines):
if not 'ntp' in self.data:
self.data['ntp'] = {}
self.data['ntp']['servers'] = []
self.data['ntp']['othercontents'] = []
for line in inLines:
match = re.match(r'server\s+(\S+)', line)
if match and not match.group(1).startswith('127.127.'):
self.data['ntp']['servers'].append(match.group(1))
else:
self.data['ntp']['othercontents'].append(line)
def ScanCPUInfo(self, inLines):
self.data['cpuinfo'] = {}
for line in inLines:
match = re.match(r'flags\s*:\s*(.*)', line)
if match:
self.data['cpuinfo']['flags'] = match.group(1).split()
def ReadTimezones(self):
self.data['timezones'] = {
'continents': {
Lang('Africa') : 'Africa',
Lang('Americas') : 'America',
Lang('US') : 'US',
Lang('Canada') : 'Canada',
Lang('Asia') : 'Asia',
Lang('Atlantic Ocean') : 'Atlantic',
Lang('Australia') : 'Australia',
Lang('Europe') : 'Europe',
Lang('Indian Ocean') : 'Indian',
Lang('Pacific Ocean') : 'Pacific',
Lang('Other') : 'Etc'
},
'cities' : {}
}
filterExp = re.compile('('+'|'.join(self.data['timezones']['continents'].values())+')')
zonePath = '/usr/share/zoneinfo'
for root, dirs, files in os.walk(zonePath):
for filename in files:
filePath = os.path.join(root, filename)
localPath = filePath[len(zonePath)+1:] # Just the path after /usr/share/zoneinfo/
if filterExp.match(localPath):
# Store only those entries starting with one of our known prefixes
self.data['timezones']['cities'][localPath] = filePath
def UpdateFromTimezone(self):
if os.path.isfile('/etc/timezone'):
file = open('/etc/timezone')
self.data['timezones']['current'] = file.readline().rstrip()
file.close()
def TimezoneSet(self, inTimezone):
localtimeFile = '/etc/localtime'
if os.path.isfile(localtimeFile):
os.remove(localtimeFile)
os.symlink(self.timezones.cities({})[inTimezone], localtimeFile)
file = open('/etc/timezone', 'w')
file.write(inTimezone+"\n")
file.close()
if os.path.exists('/etc/sysconfig/clock'):
cfg = SimpleConfigFile()
cfg.read('/etc/sysconfig/clock')
cfg.info["ZONE"] = inTimezone
cfg.write('/etc/sysconfig/clock')
def CurrentTimeString(self):
return commands.getoutput('/bin/date -R')
def ReadKeymaps(self):
self.data['keyboard'] = {
'keymaps' : {}
}
keymapsPath = '/lib/kbd/keymaps/i386'
excludeExp = re.compile(re.escape(keymapsPath)+r'/include')
filterExp = re.compile(r'(.*).map.gz$')
for root, dirs, files in os.walk(keymapsPath):
for filename in files:
if not excludeExp.match(root):
match = filterExp.match(filename)
if match:
filePath = os.path.join(root, filename)
self.data['keyboard']['keymaps'][match.group(1)] = filePath
self.data['keyboard']['namestomaps'] = Keymaps.NamesToMaps()
for value in self.data['keyboard']['namestomaps'].values():
if not value in self.data['keyboard']['keymaps']:
XSLogError("Warning: Missing keymap " + value)
def KeymapSet(self, inKeymap):
# mapFile = self.keyboard.keymaps().get(inKeymap, None)
# if mapFile is None:
# raise Exception(Lang("Unknown keymap '")+str(inKeymap)+"'")
keymapParam = ShellUtils.MakeSafeParam(inKeymap)
# Load the keymap now
status, output = commands.getstatusoutput('/bin/loadkeys "'+keymapParam+'"')
if status != 0:
raise Exception(output)
# Use state-based method to ensure that keymap is set on first run
State.Inst().KeymapSet(keymapParam)
# Store the keymap for next boot
# Currently this has no effect
file = open('/etc/sysconfig/keyboard', 'w')
file.write('KEYTABLE="'+keymapParam+'"\n')
file.close()
def KeymapToName(self, inKeymap):
# Derive a name to present to the user
mapName = FirstValue(inKeymap, Lang('<Default>'))
for key, value in self.keyboard.namestomaps({}).iteritems():
if value == inKeymap:
mapName = key
return mapName
def UpdateFromKeymap(self):
keymap = State.Inst().Keymap()
self.data['keyboard']['currentname'] = self.KeymapToName(keymap)
def SuspendSRSet(self, inSR):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
self.RequireSession()
pool = self.GetPoolForThisHost()
self.session.xenapi.pool.set_suspend_image_SR(pool['opaqueref'], inSR['uuid'])
def CrashDumpSRSet(self, inSR):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
self.RequireSession()
pool = self.GetPoolForThisHost()
self.session.xenapi.pool.set_crash_dump_SR(pool['opaqueref'], inSR['opaqueref'])
def RemovePartitionSuffix(self, inDevice):
regExpList = [
r'(/dev/disk/by-id.*?)-part[0-9]+$',
r'(/dev/cciss/.*?)p[0-9]+$',
r'(/dev/.*?)[0-9]+$'
]
retVal = inDevice
for regExp in regExpList:
match = re.match(regExp, inDevice)
if match:
retVal = match.group(1)
break
return retVal
def GetSRFromDevice(self, inDevice):
retVal = None
for pbd in self.host.PBDs([]):
device = pbd.get('device_config', {}).get('device', '')
if self.RemovePartitionSuffix(device) == inDevice:
# This is the PBD containing the device. Does it have an SR?
sr = pbd.get('SR', None)
if sr.get('name_label', None) is not None:
retVal = sr
return retVal
def SetPoolSRIfRequired(self, inOpaqueRef):
Auth.Inst().AssertAuthenticated()
self.RequireSession()
pool = self.GetPoolForThisHost()
if pool is not None:
if pool['default_SR_uuid'] is None:
self.session.xenapi.pool.set_default_SR(pool['opaqueref'], inOpaqueRef)
if pool['suspend_image_SR_uuid'] is None:
self.session.xenapi.pool.set_suspend_image_SR(pool['opaqueref'], inOpaqueRef)
if pool['crash_dump_SR_uuid'] is None:
self.session.xenapi.pool.set_crash_dump_SR(pool['opaqueref'], inOpaqueRef)
def SetPoolSRsFromDeviceIfNotSet(self, inDevice):
sr = self.GetSRFromDevice(inDevice)
if sr is None:
raise Exception(Lang("Device does not have an associated SR"))
self.SetPoolSRIfRequired(sr['opaqueref'])
def GetPoolForThisHost(self):
self.RequireSession()
retVal = None
for pool in self.pools({}).values():
# Currently there is only one pool
retVal = pool
break
return retVal
def ReconfigureManagement(self, inPIF, inMode, inIP, inNetmask, inGateway, inDNS = None):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
try:
self.RequireSession()
self.session.xenapi.PIF.reconfigure_ip(inPIF['opaqueref'], inMode, inIP, inNetmask, inGateway, FirstValue(inDNS, ''))
self.session.xenapi.host.management_reconfigure(inPIF['opaqueref'])
status, output = commands.getstatusoutput('%s host-signal-networking-change' % (Config.Inst().XECLIPath()))
if status != 0:
raise Exception(output)
finally:
# Network reconfigured so this link is potentially no longer valid
self.session = Auth.Inst().CloseSession(self.session)
def DisableManagement(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
try:
self.RequireSession()
# Disable management interfaces
self.session.xenapi.host.management_disable()
# Disable the PIF that the management interface was using
for pif in self.derived.managementpifs([]):
self.session.xenapi.PIF.reconfigure_ip(pif['opaqueref'], 'None','' ,'' ,'' ,'')
finally:
# Network reconfigured so this link is potentially no longer valid
self.session = Auth.Inst().CloseSession(self.session)
def LocalHostEnable(self):
Auth.Inst().AssertAuthenticatedOrPasswordUnset()
self.RequireSession()
self.session.xenapi.host.enable(self.host.opaqueref())
def LocalHostDisable(self):
Auth.Inst().AssertAuthenticatedOrPasswordUnset()
self.RequireSession()
self.session.xenapi.host.disable(self.host.opaqueref())
def ConfigureRemoteShell(self, inEnable):
if inEnable:
status, output = commands.getstatusoutput("/sbin/chkconfig sshd on")
else:
status, output = commands.getstatusoutput("/sbin/chkconfig sshd off")
if status != 0:
raise Exception(output)
def Ping(self, inDest):
# Must be careful that no unsanitised data is passed to the command
if not re.match(r'[0-9a-zA-Z][-0-9a-zA-Z.]*$', inDest):
raise Exception("Invalid destination '"+inDest+"'")
IPUtils.AssertValidNetworkName(inDest)
pipe = ShellPipe('/bin/ping', '-c', '1', '-w', '2', inDest)
status = pipe.CallRC()
return (status == 0, "\n".join(pipe.AllOutput()))
def ManagementIP(self, inDefault = None):
retVal = inDefault
retVal = self.host.address(retVal)
return retVal
def ManagementNetmask(self, inDefault = None):
retVal = inDefault
# FIXME: Address should come from API, but not available at present. For DHCP this is just a guess at the gateway address
for pif in self.derived.managementpifs([]):
if pif['ip_configuration_mode'].lower().startswith('static'):
# For static IP the API address is correct
retVal = pif['netmask']
elif pif['ip_configuration_mode'].lower().startswith('dhcp'):
# For DHCP, find the gateway address by parsing the output from the 'route' command
if 'bridge' in pif['network']:
device = pif['network']['bridge']
else:
device = pif['device']
device = ShellUtils.MakeSafeParam(device)
ipre = r'[0-9a-f.:]+'
ifRE = re.compile(r'\s*inet\s+addr\s*:'+ipre+'\s+bcast\s*:\s*'+ipre+r'\s+mask\s*:\s*('+ipre+r')\s*$',
re.IGNORECASE)
ifconfig = commands.getoutput("/sbin/ifconfig '"+device+"'").split("\n")
for line in ifconfig:
match = ifRE.match(line)
if match:
retVal = match.group(1)
break
return retVal
def ManagementGateway(self, inDefault = None):
retVal = inDefault
# FIXME: Address should come from API, but not available at present. For DHCP this is just a guess at the gateway address
for pif in self.derived.managementpifs([]):
if pif['ip_configuration_mode'].lower().startswith('static'):
# For static IP the API address is correct
retVal = pif['gateway']
elif pif['ip_configuration_mode'].lower().startswith('dhcp'):
# For DHCP, find the gateway address by parsing the output from the 'route' command
if 'bridge' in pif['network']:
device = pif['network']['bridge']
else:
device = pif['device']
routeRE = re.compile(r'([0-9.]+)\s+([0-9.]+)\s+([0-9.]+)\s+UG\s+\d+\s+\d+\s+\d+\s+'+device,
re.IGNORECASE)
routes = commands.getoutput("/sbin/route -n").split("\n")
for line in routes:
match = routeRE.match(line)
if match:
retVal = match.group(2)
break
return retVal
def VBDGetRecord(self, inVBD):
self.RequireSession()
vbdRecord = self.session.xenapi.VBD.get_record(inVBD)
vbdRecord['opaqueref'] = inVBD
return vbdRecord
def CreateVBD(self, inVM, inVDI, inDeviceNum, inMode = None, inType = None):
self.RequireSession()
vbd = {
'VM' : inVM['opaqueref'],
'VDI' : inVDI['opaqueref'],
'userdevice' : inDeviceNum,
'mode' : FirstValue(inMode, 'ro'),
'bootable' : False,
'type' : FirstValue(inType, 'disk'),
'unpluggable' : True,
'empty' : False,
'other_config' : { 'xsconsole_tmp' : 'Created: '+time.asctime(time.gmtime()) },
'qos_algorithm_type' : '',
'qos_algorithm_params' : {}