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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 datetime
import time
import subprocess, re, shutil, sys, tempfile, socket, os, stat
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 *
# PR #22: Add py3-compatible wrapper for commands.getstatusoutput() to keep the code base functional:
if sys.version_info >= (3, 0):
getoutput = subprocess.getoutput
getstatusoutput = subprocess.getstatusoutput
else:
import commands
getoutput = commands.getoutput
def getstatusoutput(command):
"""getstatusoutput with status = exit code, compatible with Python3 getstatusoutput()"""
status, output = commands.getstatusoutput(command)
return os.WEXITSTATUS(status), output # https://github.com/benjaminp/six/issues/207
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 == '__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) = getstatusoutput("dmidecode")
if status != 0:
# Use test dmidecode file if there's no real output
(status, output) = getstatusoutput("/bin/cat ./dmidecode.txt")
if status == 0:
self.ScanDmiDecode(output.split("\n"))
(status, output) = getstatusoutput("/sbin/lspci -m")
if status != 0:
(status, output) = getstatusoutput("/usr/bin/lspci -m")
if status == 0:
self.ScanLspci(output.split("\n"))
if os.path.isfile("/usr/bin/ipmitool"):
(status, output) = getstatusoutput("/usr/bin/ipmitool mc info")
if status == 0:
self.ScanIpmiMcInfo(output.split("\n"))
(status, output) = getstatusoutput("/bin/cat /etc/xensource-inventory")
if status == 0:
self.ScanInventory(output.split("\n"))
(status, output) = 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>"
def get_ssh_key(filename):
fingerprints = ShellPipe('/usr/bin/ssh-keygen', '-lf', filename).AllOutput()[0].split(' ')
return fingerprints[1] + ' ' + fingerprints[-1]
keytypes = ['rsa', 'ed25519', 'ecdsa']
fingerprints = []
for keytype in keytypes:
try:
fingerprints.append(get_ssh_key('/etc/ssh/ssh_host_%s_key.pub' % keytype))
except:
pass
if not fingerprints:
self.data['sshfingerprint'] = [Lang('<Unknown>')]
else:
self.data['sshfingerprint'] = fingerprints
try:
self.data['state_on_usb_media'] = ( ShellPipe('/bin/bash', '-c', 'source /opt/xensource/libexec/oem-functions; if state_on_usb_media; then exit 1; else exit 0; fi').CallRC() != 0 )
except:
self.data['state_on_usb_media'] = True
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 as 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
self.UpdateHostCPUs()
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 as e:
XSLogError('Missing network record: ', e)
retVal['opaqueref'] = inPIF
return retVal
self.data['host']['PIFs'] = list(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(key=lambda pif: pif['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'] = list(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'] = list(map(convertVDI, retPBD['SR']['VDIs']))
for vdi in retPBD['SR']['VDIs']:
vdi['SR'] = retPBD['SR']
retPBD['opaqueref'] = inPBD
return retPBD
self.data['host']['PBDs'] = list(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.
# [CP-18907] The checks for NULL references avoid the appearence of spurious
# backtraces in xensource.log
def update_SR_reference(inPool, retPool, key):
NULL_REF = "OpaqueRef:NULL"
key_uuid = "%s_uuid" % key
try:
sr_ref = inPool[key]
if sr_ref == NULL_REF:
retPool[key_uuid] = None
else:
retPool[key_uuid] = self.session.xenapi.SR.get_uuid(sr_ref)
except:
XSLog("Cleared dangling reference for %s" % key)
retPool[key_uuid] = None
update_SR_reference(inPool, retPool, 'default_SR')
update_SR_reference(inPool, retPool, 'suspend_image_SR')
update_SR_reference(inPool, retPool, 'crash_dump_SR')
return retPool
self.data['pools'] = {}
for id, pool in pools.items():
self.data['pools'][id] = convertPool(id, pool)
except socket.timeout:
self.session = None
except Exception as 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.items():
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 as e:
XSLogError('SR data update failed: ', e)
self.UpdateFromResolveConf()
self.UpdateFromSysconfig()
self.UpdateFromHostname()
self.UpdateFromNTPConf()
self.UpdateFromTimezone()
self.UpdateFromKeymap()
self.data['chkconfig'] = {}
self.ScanService('sshd')
self.ScanService('chronyd')
self.DeriveData()
def UpdateHostCPUs(self):
convertCPU = lambda cpu: self.session.xenapi.host_cpu.get_record(cpu)
hostCPUs = list(map(convertCPU, self.data['host']['host_CPUs']))
self.data['host']['host_CPUs'] = []
for cpu in hostCPUs:
if 'HANDLE_INVALID' in cpu:
XSLogError('xenapi host_cpu: ' + ', '.join(cpu))
else:
self.data['host']['host_CPUs'].append(cpu)
def DeriveData(self):
self.data.update({
'derived' : {
'app_name' : Lang(self.data['inventory']['BRAND_CONSOLE']),
'full_app_name' : Lang(self.data['inventory']['COMPANY_NAME_SHORT'] + " " + self.data['inventory']['BRAND_CONSOLE']),
'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
# get the version
version = self.data['inventory'].get('PRODUCT_VERSION_TEXT')
assert version
# get the numeric product version
version_number = self.data['inventory'].get('PRODUCT_VERSION')
assert version_number
# get the short version number
shortversion = self.data['inventory'].get('PRODUCT_VERSION_TEXT_SHORT')
assert shortversion
# if we have a - at the start of the version number everything is unknown
if version.startswith('-'):
version = Lang("<Unknown>")
fullversion = version
shortversion = version
else:
# build known version
build_number = self.data['inventory'].get('BUILD_NUMBER')
if build_number is None:
build_number = self.host.software_version.build_number('')
if build_number != '':
build_number = '-' + build_number
fullversion = '%s (%s%s)' % (version, version_number, build_number)
# if we have an OEM build number then add it on
oemBuildNumber = self.host.software_version.oem_build_number('')
if oemBuildNumber != '':
fullversion += '-' + oemBuildNumber
# put version information into the map for lookup later
self.data['derived']['fullversion'] = fullversion
self.data['derived']['coreversion'] = version
self.data['derived']['shortversion'] = shortversion
# Calculate the branding string
brand = self.data['inventory'].get('PRODUCT_BRAND')
if brand is None:
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) = getstatusoutput("/usr/bin/grep -v \"^;\" /etc/resolv.conf")
if status == 0:
self.ScanResolvConf(output.split("\n"))
def UpdateFromSysconfig(self):
(status, output) = getstatusoutput("/bin/cat /etc/sysconfig/network")
if status == 0:
self.ScanSysconfigNetwork(output.split("\n"))
def UpdateFromHostname(self):
(status, output) = getstatusoutput("/bin/cat /etc/hostname")
if status == 0:
self.ScanHostname(output.split("\n"))
def UpdateFromNTPConf(self):
if not 'ntp' in self.data:
self.data['ntp'] = {}
if os.path.isfile("/etc/chrony.conf"):
with open("/etc/chrony.conf", "r") as confFile:
self.ScanNTPConf(confFile.read().splitlines())
self.data['ntp']['method'] = ""
chronyPerm = os.stat("/etc/dhcp/dhclient.d/chrony.sh").st_mode
if (
chronyPerm & stat.S_IXUSR
and chronyPerm & stat.S_IXGRP
and chronyPerm & stat.S_IXOTH
):
self.data['ntp']['method'] = "DHCP"
elif self.data['ntp']['servers']:
self.data['ntp']['method'] = "Manual"
servers = self.data['ntp']['servers']
if len(servers) == NUM_DEFAULT_NTP_SERVERS and all(
inDefaultNTPDomains(server)
for server in self.data['ntp']['servers']
):
self.data['ntp']['method'] = "Default"
else:
self.data['ntp']['method'] = "Disabled"
def StringToBool(self, inString):
return inString.lower().startswith('true')
def RootLabel(self):
output = 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")
finally:
if file is not None: file.close()
self.UpdateFromSysconfig()
def SaveToNTPConf(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
try:
with open("/etc/chrony.conf", "w") as confFile:
for other in self.ntp.othercontents([]):
confFile.write(other + "\n")
for server in self.ntp.servers([]):
confFile.write("server " + server + " iburst\n")
finally:
self.UpdateFromNTPConf()
# Force chronyd to update the time
if self.data['ntp']['method'] != "Disabled":
# Prompt chrony to update the time immediately
getoutput("chronyc makestep")
# Write the system time (set by the single shot NTP) to the HW clock
getoutput("hwclock -w")
def AddDHCPNTP(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
oldPermissions = os.stat("/etc/dhcp/dhclient.d/chrony.sh").st_mode
newPermissions = oldPermissions | (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
os.chmod("/etc/dhcp/dhclient.d/chrony.sh", newPermissions)
interfaces = self.GetDHClientInterfaces()
for interface in interfaces:
ntpServer = self.GetDHCPNTPServer(interface)
with open("/var/lib/dhclient/chrony.servers.%s" % interface, "w") as chronyFile:
chronyFile.write("%s iburst prefer\n" % ntpServer)
# Ensure chrony is enabled
self.EnableService("chronyd")
self.EnableService("chrony-wait")
def ResetDefaultNTPServers(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
Data.Inst().NTPServersSet(DEFAULT_NTP_SERVERS)
def GetDHClientInterfaces(self):
try:
leases = [filename for filename in os.listdir("/var/lib/xcp") if "leases" in filename]
except OSError:
return []
pattern = "dhclient-(.*).leases"
interfaces = []
for dhclientFile in leases:
match = re.match(pattern, dhclientFile)
if match:
interfaces.append(match.group(1))
return interfaces
def GetDHCPNTPServer(self, interface):
expectedLeaseFile = "/var/lib/xcp/dhclient-%s.leases" % interface
if not os.path.isfile(expectedLeaseFile):
return None
with open(expectedLeaseFile, "r") as leaseFile:
data = leaseFile.read().splitlines()
ntpServerLines = [line for line in data if "ntp-servers" in line]
# Extract <ip-addr> from " option ntp-servers <ip-addr>;"
try:
ntpServer = ntpServerLines[-1].split()[-1][:-1]
except:
ntpServer = None
return ntpServer
def RemoveDHCPNTP(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
oldPermissions = os.stat("/etc/dhcp/dhclient.d/chrony.sh").st_mode
newPermissions = oldPermissions & ~(stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
os.chmod("/etc/dhcp/dhclient.d/chrony.sh", newPermissions)
getstatusoutput("rm -f /var/lib/dhclient/chrony.servers.*")
def SetTimeManually(self, date):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
self.NTPServersSet([])
self.RemoveDHCPNTP()
self.SaveToNTPConf()
self.DisableService("chrony-wait")
self.DisableService("chronyd")
timestring = date.strftime("%Y-%m-%d %H:%M:00")
getstatusoutput("date --set='%s'" % timestring)
getstatusoutput("hwclock --utc --systohc")
def SaveToResolveConf(self):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
for pif in Data.Inst().derived.managementpifs([]):
ipv6 = pif['primary_address_type'].lower() == 'ipv6'
mode = pif['ipv6_configuration_mode'] if ipv6 else pif['ip_configuration_mode']
ip = pif['IPv6'][0].split('/')[0] if ipv6 else pif['IP']
netmask = pif['IPv6'][0].split('/')[1] if ipv6 else pif['netmask']
gw = pif['ipv6_gateway'] if ipv6 else pif['gateway']
dns = ','.join(self.dns.nameservers([]))
self.ReconfigureManagement(pif, mode, ip, netmask, gw, dns)
self.UpdateFromResolveConf()
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_size'] += 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 inKey not in self.data['dmi']:
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 ScanService(self, service):
(status, output) = getstatusoutput("systemctl is-enabled %s" % (service,))
self.data['chkconfig'][service] = status == 0
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 ScanHostname(self, inLines):
self.data['sysconfig']['network']['hostname'] = inLines[0]
def ScanNTPConf(self, inLines):
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 ScanInventory(self, inLines):
self.data['inventory'] = {}
for line in inLines:
(key, value) = line.split("=")
# Strip the existing \'
self.data['inventory'][key] = value.strip('\'')
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')
time.tzset()
def CurrentTimeString(self):
return getoutput('/bin/date -R')
def ReadKeymaps(self):
self.data['keyboard'] = {
'keymaps' : {}
}
keymapsPath = '/lib/kbd/keymaps/legacy/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 = 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({}).items():
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['opaqueref'])
def CrashDumpSRSet(self, inSR):
# Double-check authentication
Auth.Inst().AssertAuthenticated()
self.RequireSession()
pool = self.GetPoolForThisHost()