def join(self, request):
'''Join and reconfigure the system according to the values specified in the dict given as
option named "values".'''
# get old and new values
orgValues = util.load_values()
values = request.options.get('values', {})
# determine new system role
oldrole = orgValues.get('server/role', '')
newrole = values.get('server/role', oldrole)
if newrole == 'basesystem' or orgValues.get('joined'):
raise Exception( _('Base systems and already joined systems cannot be joined.') )
def _thread(request, obj, username, password):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
util.pre_save(values, orgValues)
# on unjoined DC master the nameserver must be set to the external nameserver
if newrole == 'domaincontroller_master' and not orgValues.get('joined'):
for i in range(1,4):
# overwrite these values only if they are set, because the UMC module
# will save only changed values
if values.get( 'dns/forwarder%d'%i ):
values[ 'nameserver%d'%i ] = values.get( 'dns/forwarder%d'%i )
MODULE.info('saving profile values')
util.write_profile(values)
# unjoined DC master (that is not being converted to a basesystem) -> run the join script
MODULE.info('runnning system setup join script')
util.run_joinscript( self._progressParser, username, password )
# done :)
self._finishedResult = True
# we should do a cleanup now
self._cleanup_required = True
return True
finally:
obj._finishedLock.release()
def _finished( thread, result ):
if isinstance( result, BaseException ):
MODULE.warn( 'Exception during saving the settings: %s' % str( result ) )
thread = notifier.threads.Simple( 'save',
notifier.Callback( _thread, request, self, request.options.get('username'), request.options.get('password')),_finished )
thread.run()
self.finished(request.id, True)
def save(self, request):
'''Reconfigures the system according to the values specified in the dict given as
option named "values".'''
# get old and new values
orgValues = util.load_values()
values = request.options.get('values', {})
def _thread(request, obj):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
orgValues = util.load_values()
util.pre_save(values, orgValues)
MODULE.info('saving profile values')
util.write_profile(values)
if not values:
MODULE.error('No property "values" given for save().')
return False
# in case of changes of the IP address, restart UMC server and web server
# for this we ignore changes of virtual or non-default devices
MODULE.info('Check whether ip addresses have been changed')
restart = False
for ikey, ival in values.iteritems():
if RE_IPV4.match(ikey) or RE_IPV6_DEFAULT.match(
ikey) or RE_SSL.match(ikey):
restart = True
break
MODULE.info('Restart servers: %s' % restart)
# on a joined system or on a basesystem, we can run the setup scripts
MODULE.info('runnning system setup scripts')
util.run_scripts(self._progressParser, restart)
# done :)
self._finishedResult = True
return True
finally:
obj._finishedLock.release()
def _finished(thread, result):
if isinstance(result, BaseException):
MODULE.warn('Exception during saving the settings: %s' %
str(result))
thread = notifier.threads.Simple(
'save', notifier.Callback(_thread, request, self), _finished)
thread.run()
self.finished(request.id, True)
def save(self, request):
'''Reconfigures the system according to the values specified in the dict given as
option named "values".'''
# get old and new values
orgValues = util.load_values()
values = request.options.get('values', {})
def _thread(request, obj):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
orgValues = util.load_values()
util.pre_save(values, orgValues)
MODULE.info('saving profile values')
util.write_profile(values)
if not values:
MODULE.error( 'No property "values" given for save().' )
return False
# in case of changes of the IP address, restart UMC server and web server
# for this we ignore changes of virtual or non-default devices
MODULE.info('Check whether ip addresses have been changed')
restart = False
for ikey, ival in values.iteritems():
if RE_IPV4.match(ikey) or RE_IPV6_DEFAULT.match(ikey) or RE_SSL.match(ikey):
restart = True
break
MODULE.info('Restart servers: %s' % restart)
# on a joined system or on a basesystem, we can run the setup scripts
MODULE.info('runnning system setup scripts')
util.run_scripts( self._progressParser, restart )
# done :)
self._finishedResult = True
return True
finally:
obj._finishedLock.release()
def _finished( thread, result ):
if isinstance( result, BaseException ):
MODULE.warn( 'Exception during saving the settings: %s' % str( result ) )
thread = notifier.threads.Simple( 'save',
notifier.Callback( _thread, request, self ), _finished )
thread.run()
self.finished(request.id, True)
def _thread(request, obj):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
orgValues = util.load_values()
util.pre_save(values, orgValues)
MODULE.info('saving profile values')
util.write_profile(values)
if not values:
MODULE.error('No property "values" given for save().')
return False
# in case of changes of the IP address, restart UMC server and web server
# for this we ignore changes of virtual or non-default devices
MODULE.info('Check whether ip addresses have been changed')
restart = False
for ikey, ival in values.iteritems():
if RE_IPV4.match(ikey) or RE_IPV6_DEFAULT.match(
ikey) or RE_SSL.match(ikey):
restart = True
break
MODULE.info('Restart servers: %s' % restart)
# on a joined system or on a basesystem, we can run the setup scripts
MODULE.info('runnning system setup scripts')
util.run_scripts(self._progressParser, restart)
# done :)
self._finishedResult = True
return True
finally:
obj._finishedLock.release()
def _thread(request, obj):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
orgValues = util.load_values()
util.pre_save(values, orgValues)
MODULE.info('saving profile values')
util.write_profile(values)
if not values:
MODULE.error( 'No property "values" given for save().' )
return False
# in case of changes of the IP address, restart UMC server and web server
# for this we ignore changes of virtual or non-default devices
MODULE.info('Check whether ip addresses have been changed')
restart = False
for ikey, ival in values.iteritems():
if RE_IPV4.match(ikey) or RE_IPV6_DEFAULT.match(ikey) or RE_SSL.match(ikey):
restart = True
break
MODULE.info('Restart servers: %s' % restart)
# on a joined system or on a basesystem, we can run the setup scripts
MODULE.info('runnning system setup scripts')
util.run_scripts( self._progressParser, restart )
# done :)
self._finishedResult = True
return True
finally:
obj._finishedLock.release()
def validate(self, request):
'''Validate the specified values given in the dict as option named "values".
Return a dict (with variable names as key) of dicts with the structure:
{ "valid": True/False, "message": "..." }'''
# init variables
messages = []
values = request.options.get('values', {})
orgValues = util.load_values()
# determine new system role
newrole = values.get('server/role', orgValues.get('server/role',''))
# mix original and new values
allValues = copy.copy(values)
for ikey, ival in orgValues.iteritems():
if ikey not in allValues:
allValues[ikey] = ival
# helper functions
# TODO: 'valid' is not correctly evaluated in frontend
# i.e. if valid you may continue without getting message
def _check(key, check, message, critical=True):
if key not in values:
return
if not check(values[key]):
messages.append({
'message': message,
'valid': not critical,
'key': key
})
def _append(key, message):
messages.append({
'key': key,
'valid': False,
'message': message
})
# system role
_check('server/role', lambda x: not(orgValues.get('joined')) or (orgValues.get('server/role') == values.get('server/role')), _('The system role may not change on a system that has already joined to domain.'))
# basis
components = RE_SPACE.split(values.get('components', ''))
packages = set(reduce(lambda x, y: x + y, [ i.split(':') for i in components ]))
_check('hostname', util.is_hostname, _('The hostname is not a valid fully qualified domain name in lowercase (e.g. host.example.com).'))
_check('hostname', lambda x: len(x) <= 13, _('A valid NetBIOS name can not be longer than 13 characters. If Samba is installed, the hostname should be shortened.'), critical=('univention-samba' in packages or 'univention-samba4' in packages))
_check('domainname', util.is_domainname, _("Please enter a valid fully qualified domain name in lowercase (e.g. host.example.com)."))
hostname = allValues.get('hostname')
domainname = allValues.get('domainname')
if len(hostname + domainname) >= 63:
_append('domainname', _('The length of fully qualified domain name is greater than 63 characters.'))
if hostname == domainname.split('.')[0]:
_append('domainname', _("Hostname is equal to domain name."))
_check('windows/domain', lambda x: x == x.upper(), _("The windows domain name can only consist of upper case characters."))
_check('windows/domain', lambda x: len(x) < 14, _("The length of the windows domain name needs to be smaller than 14 characters."))
_check('windows/domain', util.is_windowsdomainname, _("The windows domain name is not valid."))
_check('ldap/base', lambda x: x.find(' ') == -1, _("The LDAP base may not contain any blanks (e.g., dc=test,dc=net)."))
_check('root_password', lambda x: len(x) >= 8, _("The root password is too short. For security reasons, your password must contain at least 8 characters."))
_check('root_password', util.is_ascii, _("The root password may only contain ascii characters."))
# ssl
for ikey, iname in [('ssl/state', _('State')), ('ssl/locality', _('Location'))]:
_check(ikey, lambda x: len(x) <= 128, _('The following value is too long, only 128 characters allowed: %s') % iname)
for ikey, iname in [('ssl/organization', _('Organization')), ('ssl/organizationalunit', _('Business unit')), ('ssl/email', _('Email address'))]:
_check(ikey, lambda x: len(x) <= 64, _('The following value is too long, only 64 characters allowed: %s') % iname)
_check('ssl/email', lambda x: x.find('@') >= 0, _("Please enter a valid email address"))
# net
# validate all ipv4 addresses and there netmask
checkedIpv4 = set()
for ikey, ival in values.iteritems():
if not ival:
continue
m = RE_IPV4.match(ikey)
if m:
# get the parts
iname, idev, ivirt, itype = m.groups()
# have we already tested this device?
addressKey = 'interfaces/%s/address' % iname
maskKey = 'interfaces/%s/netmask' % iname
if addressKey in checkedIpv4:
continue
checkedIpv4.add(addressKey)
# make sure that address and netmask are correct
virtStr = ''
if ivirt:
virtStr = _(' (virtual)')
if not util.is_ipv4addr(allValues.get(addressKey)):
_append(addressKey, _('IPv4 address is not valid [%s%s]: "%s"') % (idev, virtStr, allValues.get(addressKey)))
elif not allValues.get(maskKey) or not util.is_ipv4netmask('%s/%s' % (allValues.get(addressKey), allValues.get(maskKey))):
_append(maskKey, _('IPv4 netmask is not valid [%s%s]: "%s"') % (idev, virtStr, allValues.get(maskKey, '')))
# validate all ipv6 addresses, their prefix, and identifier
checkedIpv6 = set()
for ikey, ival in values.iteritems():
if not ival:
continue
m = RE_IPV6.match(ikey)
if m:
# get the parts
idev, iid, itype = m.groups()
# have we already tested this device?
addressKey = 'interfaces/%s/ipv6/%s/address' % (idev, iid)
prefixKey = 'interfaces/%s/ipv6/%s/prefix' % (idev, iid)
if addressKey in checkedIpv6:
continue
checkedIpv6.add(addressKey)
# make sure that the ID is correct
if not RE_IPV6_ID.match(iid):
_append(addressKey, _('The specified IPv6 identifier may only consist of letters and numbers: %s') % iid)
# make sure that address and prefix are correct
if not util.is_ipv6addr(allValues.get(addressKey)):
_append(addressKey, _('IPv6 address is not valid [%s]: %s') % (idev, allValues.get(addressKey)))
if not allValues.get(prefixKey) or not util.is_ipv6netmask('%s/%s' % (allValues.get(addressKey), allValues.get(prefixKey))):
_append(prefixKey, _('IPv6 prefix is not valid [%s]: %s') % (idev, allValues.get(prefixKey, '')))
# check nameservers
for ikey, iname in [('nameserver[1-3]', _('Domain name server')), ('dns/forwarder[1-3]', _('External name server'))]:
reg = re.compile('^(%s)$' % ikey)
for jkey, jval in values.iteritems():
if reg.match(jkey):
if not values.get(jkey):
# allow empty value
continue
_check(jkey, util.is_ipaddr, _('The specified IP address (%s) is not valid: %s') % (iname, jval))
# check gateways
if values.get('gateway'): # allow empty value
_check('gateway', util.is_ipv4addr, _('The specified gateway IPv4 address is not valid: %s') % values.get('gateway'))
if values.get('ipv6/gateway'): # allow empty value
_check('ipv6/gateway', util.is_ipv6addr, _('The specified gateway IPv6 address is not valid: %s') % values.get('ipv6/gateway'))
# proxy
_check('proxy/http', util.is_proxy, _('The specified proxy address is not valid (e.g., http://10.201.1.1:8080): %s') % allValues.get('proxy/http', ''))
# check global network settings
isSetIpv4 = False
ipv4HasAddress = False
ipv4HasDynamic = False
devIpv4VirtualDevices = set()
isSetIpv6 = False
ipv6HasAddress = False
hasIpv6DefaultDevices = True
ipv6HasDynamic = False
tmpUCR = univention.config_registry.ConfigRegistry()
devIpv6HasDefaultID = {}
for ikey, ival in allValues.iteritems():
m = RE_IPV6_ADDRESS.match(ikey)
if m:
idev, iid = m.groups()
# see whether the device is in the dict
if idev not in devIpv6HasDefaultID:
devIpv6HasDefaultID[idev] = False
# identifier 'default'
devIpv6HasDefaultID[idev] |= (iid == 'default')
# ipv6 address
ipv6HasAddress |= util.is_ipv6addr(ival)
# ipv4 address
if RE_IPV4_ADDRESS.match(ikey):
ipv4HasAddress |= util.is_ipv4addr(ival)
# dynamic ipv4
ipv4HasDynamic |= bool(RE_IPV4_DYNAMIC.match(ikey) and ival in ('dynamic', 'dhcp'))
# dynamic ipv6
if RE_IPV6_DYNAMIC.match(ikey):
tmpUCR[ikey] = ival;
if tmpUCR.is_true(ikey):
ipv6HasDynamic = True
# ipv6 configuration
if RE_IPV6.match(ikey) and ival:
isSetIpv6 = True
# ipv4 configuration
m = RE_IPV4.match(ikey)
if m and ival:
isSetIpv4 = True
# check whether this entry is a virtual device
idev, ivirt = m.groups()[1:3]
if ivirt:
devIpv4VirtualDevices.add(idev)
# check whether all virtual devices have a real device that is defined
for idev in devIpv4VirtualDevices:
mask = allValues.get('interfaces/%s/netmask' % idev)
address = allValues.get('interfaces/%s/address' % idev)
if not mask or not address or not util.is_ipv4netmask('%s/%s' % (address, mask)):
_append('interfaces/%s/address' % idev, _('A virtual device cannot be specified alone: %s') % idev)
break
# check whether all devices have a default entry
for idev, iset in devIpv6HasDefaultID.iteritems():
hasIpv6DefaultDevices &= iset
# global checks
if not (isSetIpv4 or ipv4HasDynamic) and not (isSetIpv6 or ipv6HasDynamic):
_append('interfaces/eth0/address', _('At least one network device (either IPv4 or IPv6) needs to be configured.'))
if isSetIpv6 and not hasIpv6DefaultDevices:
_append('interfaces/eth0/ipv6/default/address', _('A default entry with the identifier "default" needs to be specified for each network device.'))
if newrole in ['domaincontroller_master', 'domaincontroller_backup', 'domaincontroller_slave', 'memberserver'] and isSetIpv4 and not ipv4HasAddress:
_append('interfaces/eth0/address', _('At least one IPv4 address needs to be specified.'))
if not ipv4HasDynamic and not ipv6HasDynamic and not allValues.get('nameserver1') and not allValues.get('nameserver2') and not allValues.get('nameserver3'):
_append('nameserver1', _('At least one domain name server needs to be given if DHCP or SLAAC is not specified.'))
# software checks
if 'univention-virtual-machine-manager-node-kvm' in packages and 'univention-virtual-machine-manager-node-xen' in packages:
_append('components', _('It is not possible to install KVM and XEN components on one system. Please select only one of these components.'))
if 'univention-samba' in packages and 'univention-samba4' in packages:
_append('components', _('It is not possible to install Samba 3 and Samba 4 on one system. Please select only one of these components.'))
self.finished(request.id, messages)
def load(self, request): '''Return a dict with all necessary values for system-setup read from the current status of the system.''' values = util.load_values() self.finished(request.id, values)
def validate(self, request):
'''Validate the specified values given in the dict as option named "values".
Return a dict (with variable names as key) of dicts with the structure:
{ "valid": True/False, "message": "..." }'''
# init variables
messages = []
values = request.options.get('values', {})
orgValues = util.load_values()
# determine new system role
newrole = values.get('server/role', orgValues.get('server/role', ''))
# mix original and new values
allValues = copy.copy(values)
for ikey, ival in orgValues.iteritems():
if ikey not in allValues:
allValues[ikey] = ival
# helper functions
# TODO: 'valid' is not correctly evaluated in frontend
# i.e. if valid you may continue without getting message
def _check(key, check, message, critical=True):
if key not in values:
return
if not check(values[key]):
messages.append({
'message': message,
'valid': not critical,
'key': key
})
def _append(key, message):
messages.append({'key': key, 'valid': False, 'message': message})
# system role
_check(
'server/role', lambda x: not (orgValues.get('joined')) or
(orgValues.get('server/role') == values.get('server/role')),
_('The system role may not change on a system that has already joined to domain.'
))
# basis
components = RE_SPACE.split(values.get('components', ''))
packages = set(
reduce(lambda x, y: x + y, [i.split(':') for i in components]))
_check(
'hostname', util.is_hostname,
_('The hostname is not a valid fully qualified domain name in lowercase (e.g. host.example.com).'
))
_check(
'hostname',
lambda x: len(x) <= 13,
_('A valid NetBIOS name can not be longer than 13 characters. If Samba is installed, the hostname should be shortened.'
),
critical=('univention-samba' in packages
or 'univention-samba4' in packages))
_check(
'domainname', util.is_domainname,
_("Please enter a valid fully qualified domain name in lowercase (e.g. host.example.com)."
))
hostname = allValues.get('hostname')
domainname = allValues.get('domainname')
if len(hostname + domainname) >= 63:
_append(
'domainname',
_('The length of fully qualified domain name is greater than 63 characters.'
))
if hostname == domainname.split('.')[0]:
_append('domainname', _("Hostname is equal to domain name."))
_check(
'windows/domain', lambda x: x == x.upper(),
_("The windows domain name can only consist of upper case characters."
))
_check(
'windows/domain', lambda x: len(x) < 14,
_("The length of the windows domain name needs to be smaller than 14 characters."
))
_check('windows/domain', util.is_windowsdomainname,
_("The windows domain name is not valid."))
_check(
'ldap/base', lambda x: x.find(' ') == -1,
_("The LDAP base may not contain any blanks (e.g., dc=test,dc=net)."
))
_check(
'root_password', lambda x: len(x) >= 8,
_("The root password is too short. For security reasons, your password must contain at least 8 characters."
))
_check('root_password', util.is_ascii,
_("The root password may only contain ascii characters."))
# ssl
for ikey, iname in [('ssl/state', _('State')),
('ssl/locality', _('Location'))]:
_check(
ikey, lambda x: len(x) <= 128,
_('The following value is too long, only 128 characters allowed: %s'
) % iname)
for ikey, iname in [('ssl/organization', _('Organization')),
('ssl/organizationalunit', _('Business unit')),
('ssl/email', _('Email address'))]:
_check(
ikey, lambda x: len(x) <= 64,
_('The following value is too long, only 64 characters allowed: %s'
) % iname)
_check('ssl/email', lambda x: x.find('@') >= 0,
_("Please enter a valid email address"))
# net
# validate all ipv4 addresses and there netmask
checkedIpv4 = set()
for ikey, ival in values.iteritems():
if not ival:
continue
m = RE_IPV4.match(ikey)
if m:
# get the parts
iname, idev, ivirt, itype = m.groups()
# have we already tested this device?
addressKey = 'interfaces/%s/address' % iname
maskKey = 'interfaces/%s/netmask' % iname
if addressKey in checkedIpv4:
continue
checkedIpv4.add(addressKey)
# make sure that address and netmask are correct
virtStr = ''
if ivirt:
virtStr = _(' (virtual)')
if not util.is_ipv4addr(allValues.get(addressKey)):
_append(
addressKey,
_('IPv4 address is not valid [%s%s]: "%s"') %
(idev, virtStr, allValues.get(addressKey)))
elif not allValues.get(maskKey) or not util.is_ipv4netmask(
'%s/%s' %
(allValues.get(addressKey), allValues.get(maskKey))):
_append(
maskKey,
_('IPv4 netmask is not valid [%s%s]: "%s"') %
(idev, virtStr, allValues.get(maskKey, '')))
# validate all ipv6 addresses, their prefix, and identifier
checkedIpv6 = set()
for ikey, ival in values.iteritems():
if not ival:
continue
m = RE_IPV6.match(ikey)
if m:
# get the parts
idev, iid, itype = m.groups()
# have we already tested this device?
addressKey = 'interfaces/%s/ipv6/%s/address' % (idev, iid)
prefixKey = 'interfaces/%s/ipv6/%s/prefix' % (idev, iid)
if addressKey in checkedIpv6:
continue
checkedIpv6.add(addressKey)
# make sure that the ID is correct
if not RE_IPV6_ID.match(iid):
_append(
addressKey,
_('The specified IPv6 identifier may only consist of letters and numbers: %s'
) % iid)
# make sure that address and prefix are correct
if not util.is_ipv6addr(allValues.get(addressKey)):
_append(
addressKey,
_('IPv6 address is not valid [%s]: %s') %
(idev, allValues.get(addressKey)))
if not allValues.get(prefixKey) or not util.is_ipv6netmask(
'%s/%s' %
(allValues.get(addressKey), allValues.get(prefixKey))):
_append(
prefixKey,
_('IPv6 prefix is not valid [%s]: %s') %
(idev, allValues.get(prefixKey, '')))
# check nameservers
for ikey, iname in [('nameserver[1-3]', _('Domain name server')),
('dns/forwarder[1-3]', _('External name server'))]:
reg = re.compile('^(%s)$' % ikey)
for jkey, jval in values.iteritems():
if reg.match(jkey):
if not values.get(jkey):
# allow empty value
continue
_check(
jkey, util.is_ipaddr,
_('The specified IP address (%s) is not valid: %s') %
(iname, jval))
# check gateways
if values.get('gateway'): # allow empty value
_check(
'gateway', util.is_ipv4addr,
_('The specified gateway IPv4 address is not valid: %s') %
values.get('gateway'))
if values.get('ipv6/gateway'): # allow empty value
_check(
'ipv6/gateway', util.is_ipv6addr,
_('The specified gateway IPv6 address is not valid: %s') %
values.get('ipv6/gateway'))
# proxy
_check(
'proxy/http', util.is_proxy,
_('The specified proxy address is not valid (e.g., http://10.201.1.1:8080): %s'
) % allValues.get('proxy/http', ''))
# check global network settings
isSetIpv4 = False
ipv4HasAddress = False
ipv4HasDynamic = False
devIpv4VirtualDevices = set()
isSetIpv6 = False
ipv6HasAddress = False
hasIpv6DefaultDevices = True
ipv6HasDynamic = False
tmpUCR = univention.config_registry.ConfigRegistry()
devIpv6HasDefaultID = {}
for ikey, ival in allValues.iteritems():
m = RE_IPV6_ADDRESS.match(ikey)
if m:
idev, iid = m.groups()
# see whether the device is in the dict
if idev not in devIpv6HasDefaultID:
devIpv6HasDefaultID[idev] = False
# identifier 'default'
devIpv6HasDefaultID[idev] |= (iid == 'default')
# ipv6 address
ipv6HasAddress |= util.is_ipv6addr(ival)
# ipv4 address
if RE_IPV4_ADDRESS.match(ikey):
ipv4HasAddress |= util.is_ipv4addr(ival)
# dynamic ipv4
ipv4HasDynamic |= bool(
RE_IPV4_DYNAMIC.match(ikey) and ival in ('dynamic', 'dhcp'))
# dynamic ipv6
if RE_IPV6_DYNAMIC.match(ikey):
tmpUCR[ikey] = ival
if tmpUCR.is_true(ikey):
ipv6HasDynamic = True
# ipv6 configuration
if RE_IPV6.match(ikey) and ival:
isSetIpv6 = True
# ipv4 configuration
m = RE_IPV4.match(ikey)
if m and ival:
isSetIpv4 = True
# check whether this entry is a virtual device
idev, ivirt = m.groups()[1:3]
if ivirt:
devIpv4VirtualDevices.add(idev)
# check whether all virtual devices have a real device that is defined
for idev in devIpv4VirtualDevices:
mask = allValues.get('interfaces/%s/netmask' % idev)
address = allValues.get('interfaces/%s/address' % idev)
if not mask or not address or not util.is_ipv4netmask(
'%s/%s' % (address, mask)):
_append(
'interfaces/%s/address' % idev,
_('A virtual device cannot be specified alone: %s') % idev)
break
# check whether all devices have a default entry
for idev, iset in devIpv6HasDefaultID.iteritems():
hasIpv6DefaultDevices &= iset
# global checks
if not (isSetIpv4 or ipv4HasDynamic) and not (isSetIpv6
or ipv6HasDynamic):
_append(
'interfaces/eth0/address',
_('At least one network device (either IPv4 or IPv6) needs to be configured.'
))
if isSetIpv6 and not hasIpv6DefaultDevices:
_append(
'interfaces/eth0/ipv6/default/address',
_('A default entry with the identifier "default" needs to be specified for each network device.'
))
if newrole in [
'domaincontroller_master', 'domaincontroller_backup',
'domaincontroller_slave', 'memberserver'
] and isSetIpv4 and not ipv4HasAddress:
_append('interfaces/eth0/address',
_('At least one IPv4 address needs to be specified.'))
if not ipv4HasDynamic and not ipv6HasDynamic and not allValues.get(
'nameserver1') and not allValues.get(
'nameserver2') and not allValues.get('nameserver3'):
_append(
'nameserver1',
_('At least one domain name server needs to be given if DHCP or SLAAC is not specified.'
))
# software checks
if 'univention-virtual-machine-manager-node-kvm' in packages and 'univention-virtual-machine-manager-node-xen' in packages:
_append(
'components',
_('It is not possible to install KVM and XEN components on one system. Please select only one of these components.'
))
if 'univention-samba' in packages and 'univention-samba4' in packages:
_append(
'components',
_('It is not possible to install Samba 3 and Samba 4 on one system. Please select only one of these components.'
))
self.finished(request.id, messages)
def join(self, request):
'''Join and reconfigure the system according to the values specified in the dict given as
option named "values".'''
# get old and new values
orgValues = util.load_values()
values = request.options.get('values', {})
# determine new system role
oldrole = orgValues.get('server/role', '')
newrole = values.get('server/role', oldrole)
if newrole == 'basesystem' or orgValues.get('joined'):
raise Exception(
_('Base systems and already joined systems cannot be joined.'))
def _thread(request, obj, username, password):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
util.pre_save(values, orgValues)
# on unjoined DC master the nameserver must be set to the external nameserver
if newrole == 'domaincontroller_master' and not orgValues.get(
'joined'):
for i in range(1, 4):
# overwrite these values only if they are set, because the UMC module
# will save only changed values
if values.get('dns/forwarder%d' % i):
values['nameserver%d' % i] = values.get(
'dns/forwarder%d' % i)
MODULE.info('saving profile values')
util.write_profile(values)
# unjoined DC master (that is not being converted to a basesystem) -> run the join script
MODULE.info('runnning system setup join script')
util.run_joinscript(self._progressParser, username, password)
# done :)
self._finishedResult = True
# we should do a cleanup now
self._cleanup_required = True
return True
finally:
obj._finishedLock.release()
def _finished(thread, result):
if isinstance(result, BaseException):
MODULE.warn('Exception during saving the settings: %s' %
str(result))
thread = notifier.threads.Simple(
'save',
notifier.Callback(_thread, request, self,
request.options.get('username'),
request.options.get('password')), _finished)
thread.run()
self.finished(request.id, True)
def load(self, request):
'''Return a dict with all necessary values for system-setup read from the current
status of the system.'''
values = util.load_values()
self.finished(request.id, values)
def validate(self, values=None, flavor=None):
'''Validate the specified values given in the dict as option named "values".
Return a dict (with variable names as key) of dicts with the structure:
{ "valid": True/False, "message": "..." }'''
# init variables
messages = []
values = values or {}
orgValues = util.load_values()
is_wizard_mode = flavor == 'wizard'
# determine new system role
newrole = values.get('server/role', orgValues.get('server/role', ''))
ad_member = values.get('ad/member', orgValues.get('ad/member', ''))
# mix original and new values
allValues = copy.copy(values)
for ikey, ival in orgValues.iteritems():
if ikey not in allValues:
allValues[ikey] = ival
# helper functions
# TODO: 'valid' is not correctly evaluated in frontend
# i.e. if valid you may continue without getting message
def _check(key, check, message, critical=True):
if key not in values:
return
if not check(values[key]):
messages.append({
'message': message,
'valid': not critical,
'key': key
})
def _append(key, message):
MODULE.warn('Validation failed for key %s: %s' % (key, message))
messages.append({'key': key, 'valid': False, 'message': message})
# host and domain name
packages = set(values.get('components', []))
_check(
'hostname', util.is_hostname,
_('The hostname or the hostname part of the fully qualified domain name is invalid. Please go back to the host setting and make sure, that the hostname only contains letter (a-zA-Z) and digits (0-9).'
))
_check(
'hostname',
lambda x: len(x) <= 13,
_('A valid NetBIOS name can not be longer than 13 characters. If Samba is installed, the hostname should be shortened.'
),
critical=(ad_member or 'univention-samba' in packages
or 'univention-samba4' in packages))
_check(
'domainname', util.is_domainname,
_("Please enter a valid fully qualified domain name (e.g. host.example.com)."
))
hostname = allValues.get('hostname', '')
domainname = allValues.get('domainname', '')
if hostname or domainname:
if len('%s%s' % (hostname, domainname)) >= 63:
_append(
'domainname',
_('The length of fully qualified domain name is greater than 63 characters.'
))
if hostname == domainname.split('.')[0]:
_append('domainname', _("Hostname is equal to domain name."))
if is_wizard_mode and not util.is_system_joined():
if newrole == 'domaincontroller_master' and not values.get(
'domainname'):
_append(
'domainname',
_("No fully qualified domain name has been specified for the system."
))
elif not values.get('hostname'):
_append('hostname',
_("No hostname has been specified for the system."))
# windows domain
_check(
'windows/domain', lambda x: x == x.upper(),
_("The windows domain name can only consist of upper case characters."
))
_check(
'windows/domain', lambda x: len(x) <= 15,
_("The windows domain name cannot be longer than 15 characters."))
_check('windows/domain', util.is_windowsdomainname,
_("The windows domain name is not valid."))
# LDAP base
_check(
'ldap/base', util.is_ldap_base,
_("The LDAP base may neither contain blanks nor any special characters. Its structure needs to consist of at least two relative distinguished names (RDN) which may only use the attribute tags 'dc', 'cn', 'c', 'o', or 'l' (e.g., dc=test,dc=net)."
))
# root password
_check(
'root_password', lambda x: len(x) >= 8,
_("The root password is too short. For security reasons, your password must contain at least 8 characters."
))
_check('root_password', util.is_ascii,
_("The root password may only contain ascii characters."))
# ssl + email
labels = {
'ssl/country': _('Country'),
'ssl/state': _('State'),
'ssl/locality': _('Location'),
'ssl/organization': _('Organization'),
'organization': _('Organization'),
'ssl/organizationalunit': _('Business unit'),
'ssl/email': _('Email address'),
'email_address': _('Email address'),
'ssl/common': _('Common name for the root SSL certificate'),
}
for maxlenth, keys in [
(2, ('ssl/country', )), (128, (
'ssl/state',
'ssl/locality',
)),
(64, ('organization', 'ssl/organization', 'ssl/organizationalunit',
'ssl/email', 'email_address', 'ssl/common'))
]:
for ikey in keys:
_check(
ikey, lambda x: len(x) <= maxlenth,
_('The following value is too long, only %(max)s characters allowed: %(name)s'
) % {
'max': maxlenth,
'name': labels[ikey]
})
for ikey in ('ssl/country', 'ssl/state', 'ssl/locality',
'ssl/organization', 'ssl/organizationalunit', 'ssl/email',
'ssl/common'):
for table in (stringprep.in_table_c21_c22, stringprep.in_table_a1,
stringprep.in_table_c8, stringprep.in_table_c3,
stringprep.in_table_c4, stringprep.in_table_c5,
lambda c: c == u'\ufffd'):
_check(
ikey, lambda x: not any(map(table, unicode(x))),
_('The value for %s contains invalid characters.') %
(labels[ikey], ))
_check('ssl/country', lambda x: len(x) == 2,
_('Country must be a country code consisting of 2 characters.'))
for ikey in ['ssl/email', 'email_address']:
_check(ikey, lambda x: x.find('@') > 0,
_("Please enter a valid email address"))
# net
try:
interfaces = network.Interfaces()
interfaces.from_dict(allValues.get('interfaces', {}))
interfaces.check_consistency()
except network.DeviceError as exc:
_append('interfaces', str(exc))
# validate the primary network interface
_check('interfaces/primary', lambda x: not x or x in interfaces,
_('The primary network device must exist.'))
# check nameservers
for ikey, iname in [('nameserver[1-3]', _('Domain name server')),
('dns/forwarder[1-3]', _('External name server'))]:
reg = re.compile('^(%s)$' % ikey)
for jkey, jval in values.iteritems():
if reg.match(jkey):
if not values.get(jkey):
# allow empty value
continue
_check(
jkey, util.is_ipaddr,
_('The specified IP address (%(name)s) is not valid: %(value)s'
) % {
'name': iname,
'value': jval
})
def guess_domain(obj):
for nameserver in ('nameserver1', 'nameserver2', 'nameserver3'):
nameserver = obj.get(nameserver)
if nameserver:
guessed_domain = None
if obj.get('ad/member') and obj.get('ad/address'):
try:
ad_domain_info = lookup_adds_dc(
obj.get('ad/address'),
ucr={'nameserver1': nameserver})
except failedADConnect:
pass
else:
guessed_domain = ad_domain_info['Domain']
else:
guessed_domain = util.get_ucs_domain(nameserver)
if guessed_domain:
return guessed_domain
if is_wizard_mode and not util.is_system_joined() and (
newrole not in ['domaincontroller_master', 'basesystem']
or ad_member):
if all(nameserver in values and not values[nameserver]
for nameserver in ('nameserver1', 'nameserver2',
'nameserver3')):
# 'nameserver1'-key exists → widget is displayed → = not in UCS/debian installer mode
if not any(interface.ip4dynamic or interface.ip6dynamic
for interface in interfaces.values()):
_append('nameserver1',
_('A domain name server needs to be specified.'))
# _append('nameserver1', _('At least one domain name server needs to be given if DHCP or SLAAC is not specified.'))
# see whether the domain can be determined automatically
ucr.load()
for obj in [values, ucr]:
guessed_domain = guess_domain(obj)
if guessed_domain:
# communicate guessed domainname to frontend
messages.append({
'valid': True,
'key': 'domainname',
'value': guessed_domain,
})
break
else:
if not values.get('domainname'):
_append(
'domainname',
_('Cannot automatically determine the domain. Please specify the server\'s fully qualified domain name.'
))
if values.get('nameserver1') and values.get('start/join'):
_append(
'nameserver1',
_('The specified nameserver %s is not part of a valid UCS domain.'
) % (values['nameserver1'], ))
# check gateways
if values.get('gateway'): # allow empty value
_check(
'gateway', util.is_ipv4addr,
_('The specified gateway IPv4 address is not valid: %s') %
values.get('gateway'))
if values.get('ipv6/gateway'): # allow empty value
_check(
'ipv6/gateway', util.is_ipv6addr,
_('The specified gateway IPv6 address is not valid: %s') %
values.get('ipv6/gateway'))
# proxy
_check(
'proxy/http', util.is_proxy,
_('The specified proxy address is not valid (e.g., http://10.201.1.1:8080): %s'
) % allValues.get('proxy/http', ''))
# software checks
if 'univention-virtual-machine-manager-node-kvm' in packages and 'univention-virtual-machine-manager-node-xen' in packages:
_append(
'components',
_('It is not possible to install KVM and XEN components on one system. Please select only one of these components.'
))
if 'univention-samba' in packages and 'univention-samba4' in packages:
_append(
'components',
_('It is not possible to install Samba 3 and Samba 4 on one system. Please select only one of these components.'
))
return messages
def join(self, values=None, username=None, password=None):
'''Join and reconfigure the system according to the values specified in the dict given as
option named "values".'''
# get old and new values
orgValues = util.load_values()
values = values or {}
# determine new system role
oldrole = orgValues.get('server/role', '')
newrole = values.get('server/role', oldrole)
# create a status file that indicates that save has been triggered
util.create_status_file()
def _thread(obj, username, password):
# acquire the lock until the scripts have been executed
self._finishedResult = False
obj._finishedLock.acquire()
try:
self._progressParser.reset()
# write the profile file and run setup scripts
util.auto_complete_values_for_join(values)
# on unjoined DC master the nameserver must be set to the external nameserver
if newrole == 'domaincontroller_master' and not orgValues.get(
'joined'):
for i in range(1, 4):
# overwrite these values only if they are set, because the UMC module
# will save only changed values
if values.get('dns/forwarder%d' % i):
values['nameserver%d' % i] = values.get(
'dns/forwarder%d' % i)
MODULE.info('saving profile values')
util.write_profile(values)
# unjoined DC master (that is not being converted to a basesystem) -> run the join script
MODULE.info('runnning system setup join script')
util.run_joinscript(self._progressParser,
values,
username,
password,
lang=str(self.locale))
# done :)
self._finishedResult = True
return True
finally:
obj._finishedLock.release()
def _finished(thread, result):
if self.__keep_alive_request:
self.finished(self.__keep_alive_request.id, None)
self.__keep_alive_request = None
if isinstance(result, BaseException):
MODULE.warn('Exception during saving the settings: %s\n%s' %
(result, ''.join(
traceback.format_exception(*thread.exc_info))))
self._progressParser.current.errors.append(
_('Encountered unexpected error during setup process: %s')
% (result, ))
self._progressParser.current.critical = True
self._finishedResult = True
thread = notifier.threads.Simple(
'join', notifier.Callback(_thread, self, username, password),
_finished)
thread.run()
return
def load(self):
'''Return a dict with all necessary values for system-setup read from the current
status of the system.'''
return util.load_values(self.locale.language)
