def _from_csv(cls, system, data, csv_type, log):
"""
Import data from CSV file into System Objects
"""
for key in data.keys():
if key in cls.reg_keys and key != 'id':
if data[key]:
newdata = smart_bool(data[key])
else:
newdata = None
current_data = getattr(system, key, None)
if unicode(newdata) != unicode(current_data):
setattr(system, key, newdata)
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=key,
old=u'%s' % current_data,
new=u'%s' % newdata)
# import arch
if 'arch' in data:
arch_objs = []
if data['arch']:
arches = data['arch'].split(',')
for arch in arches:
try:
arch_obj = Arch.by_name(arch)
except ValueError:
raise ValueError("%s: Invalid arch %s" %
(system.fqdn, arch))
arch_objs.append(arch_obj)
if system.arch != arch_objs:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'arch',
old=u'%s' % system.arch,
new=u'%s' % arch_objs)
system.arch = arch_objs
# import cc
if 'cc' in data:
cc_objs = []
if data['cc']:
cc_objs = data['cc'].split(',')
if system.cc != cc_objs:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'cc',
old=u'%s' % system.cc,
new=u'%s' % cc_objs)
system.cc = cc_objs
# import labController
if 'lab_controller' in data:
if data['lab_controller']:
try:
lab_controller = LabController.by_name(
data['lab_controller'])
except InvalidRequestError:
raise ValueError("%s: Invalid lab controller %s" %
(system.fqdn, data['lab_controller']))
else:
lab_controller = None
if system.lab_controller != lab_controller:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'lab_controller',
old=u'%s' % system.lab_controller,
new=u'%s' % lab_controller)
system.lab_controller = lab_controller
# import owner
if 'owner' in data:
if data['owner']:
owner = User.by_user_name(data['owner'])
if not owner:
raise ValueError("%s: Invalid User %s" %
(system.fqdn, data['owner']))
if owner.removed:
raise ValueError('%s: user %s is deleted' %
(system.fqdn, owner.user_name))
else:
owner = None
if system.owner != owner:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'owner',
old=u'%s' % system.owner,
new=u'%s' % owner)
system.owner = owner
# import status
if 'status' in data and data['status']:
try:
systemstatus = SystemStatus.from_string(data['status'])
except ValueError:
raise ValueError("%s: Invalid Status %s" %
(system.fqdn, data['status']))
if system.status != systemstatus:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'status',
old=u'%s' % system.status,
new=u'%s' % systemstatus)
system.status = systemstatus
# import type
if 'type' in data:
if not data['type']:
raise ValueError("%s: Invalid Type None" % system.fqdn)
try:
systemtype = SystemType.from_string(data['type'])
except ValueError:
raise ValueError("%s: Invalid Type %s" %
(system.fqdn, data['type']))
if system.type != systemtype:
system.record_activity(user=identity.current.user,
service=u'CSV',
action=u'Changed',
field=u'type',
old=u'%s' % system.type,
new=u'%s' % systemtype)
system.type = systemtype
# import secret
if 'secret' in data:
# 'private' used to be a field on system (called 'secret' in the UI
# and CSV). The field is replaced by the 'view' permission in the
# access policy so CSV export no longer produces 'secret' in its
# output. However we still accept it on import for compatibility.
# It is mapped to the 'view everybody' rule in the access policy.
if not data['secret']:
raise ValueError("%s: Invalid secret None" % system.fqdn)
secret = smart_bool(data['secret'])
view_everybody = system.custom_access_policy.grants_everybody(
SystemPermission.view)
if secret and view_everybody:
# remove 'view everybody' rule
for rule in system.custom_access_policy.rules:
if rule.permission == SystemPermission.view and rule.everybody:
system.record_activity(user=identity.current.user,
service=u'HTTP',
field=u'Access Policy Rule',
action=u'Removed',
old=repr(rule))
session.delete(rule)
if not secret and not view_everybody:
# add rule granting 'view everybody'
new_rule = system.custom_access_policy.add_rule(
everybody=True, permission=SystemPermission.view)
system.record_activity(user=identity.current.user,
service=u'HTTP',
field=u'Access Policy Rule',
action=u'Added',
new=repr(new_rule))
def update_system(fqdn):
system = _get_system_by_FQDN(fqdn)
if not system.can_edit(identity.current.user):
raise Forbidden403('Cannot edit system')
data = read_json_request(request)
# helper for recording activity below
def record_activity(field, old, new, action=u'Changed'):
system.record_activity(user=identity.current.user,
service=u'HTTP',
action=action,
field=field,
old=old,
new=new)
with convert_internal_errors():
# XXX what a nightmare... need to use a validation/conversion library,
# and maybe simplify/relocate the activity recording stuff somehow
changed = False
renamed = False
if 'fqdn' in data:
new_fqdn = data['fqdn'].lower()
if new_fqdn != system.fqdn:
if System.query.filter(System.fqdn == new_fqdn).count():
raise Conflict409('System %s already exists' % new_fqdn)
record_activity(u'FQDN', system.fqdn, new_fqdn)
system.fqdn = new_fqdn
changed = True
renamed = True
if 'owner' in data and data['owner'].get(
'user_name') != system.owner.user_name:
if not system.can_change_owner(identity.current.user):
raise Forbidden403('Cannot change owner')
new_owner = User.by_user_name(data['owner'].get('user_name'))
if new_owner is None:
raise BadRequest400('No such user %s' %
data['owner'].get('user_name'))
record_activity(u'Owner', system.owner, new_owner)
system.owner = new_owner
changed = True
if 'status' in data:
new_status = SystemStatus.from_string(data['status'])
if new_status != system.status:
record_activity(u'Status', system.status, new_status)
system.status = new_status
if not new_status.bad and system.status_reason:
# clear the status reason for "good" statuses
record_activity(u'Status Reason', system.status_reason,
None)
system.status_reason = None
changed = True
if 'status_reason' in data:
new_reason = data['status_reason'] or None
if new_reason and not system.status.bad:
raise ValueError('Cannot set status reason when status is %s' %
system.status)
if new_reason != system.status_reason:
record_activity(u'Status Reason', system.status_reason,
new_reason)
system.status_reason = new_reason
changed = True
if 'type' in data:
new_type = SystemType.from_string(data['type'])
if new_type != system.type:
record_activity(u'Type', system.type, new_type)
system.type = new_type
changed = True
if 'arches' in data:
new_arches = [Arch.by_name(a) for a in (data['arches'] or [])]
added_arches = set(new_arches).difference(system.arch)
removed_arches = set(system.arch).difference(new_arches)
if added_arches or removed_arches:
for added_arch in added_arches:
record_activity(u'Arch', None, added_arch, u'Added')
for removed_arch in removed_arches:
record_activity(u'Arch', removed_arch, None, u'Removed')
system.arch[:] = new_arches
changed = True
if 'lab_controller_id' in data:
if data['lab_controller_id']:
new_lc = LabController.by_id(data['lab_controller_id'])
else:
new_lc = None
if new_lc != system.lab_controller:
if system.open_reservation is not None:
raise Conflict409(
'Unable to change lab controller while system '
'is in use (return the system first)')
record_activity(u'Lab Controller', system.lab_controller,
new_lc)
system.lab_controller = new_lc
changed = True
# If we're given any power-related keys, need to ensure system.power exists
if not system.power and set(['power_type', 'power_address', 'power_user',
'power_password', 'power_id', 'power_quiescent_period'])\
.intersection(data.keys()):
system.power = Power()
if 'power_type' in data:
new_power_type = PowerType.by_name(data['power_type'])
if new_power_type != system.power.power_type:
if not system.power.power_type:
old_power_type = ''
else:
old_power_type = system.power.power_type.name
record_activity(u'power_type', old_power_type,
new_power_type.name)
system.power.power_type = new_power_type
changed = True
if 'power_address' in data:
new_power_address = data['power_address']
if not new_power_address:
raise ValueError('Power address is required')
if new_power_address != system.power.power_address:
record_activity(u'power_address', system.power.power_address,
data['power_address'])
system.power.power_address = new_power_address
changed = True
if 'power_user' in data:
new_power_user = data['power_user'] or u''
if new_power_user != (system.power.power_user or u''):
record_activity(u'power_user', u'********', u'********')
system.power.power_user = new_power_user
changed = True
if 'power_password' in data:
new_power_password = data['power_password'] or u''
if new_power_password != (system.power.power_passwd or u''):
record_activity(u'power_passwd', u'********', u'********')
system.power.power_passwd = new_power_password
changed = True
if 'power_id' in data:
new_power_id = data['power_id'] or u''
if new_power_id != (system.power.power_id or u''):
record_activity(u'power_id', system.power.power_id,
new_power_id)
system.power.power_id = new_power_id
changed = True
if 'power_quiescent_period' in data:
new_qp = int(data['power_quiescent_period'])
if new_qp != system.power.power_quiescent_period:
record_activity(u'power_quiescent_period',
system.power.power_quiescent_period, new_qp)
system.power.power_quiescent_period = new_qp
changed = True
if 'release_action' in data:
new_release_action = ReleaseAction.from_string(
data['release_action'])
if new_release_action != (system.release_action
or ReleaseAction.power_off):
record_activity(
u'release_action',
(system.release_action or ReleaseAction.power_off),
new_release_action)
system.release_action = new_release_action
changed = True
if 'reprovision_distro_tree' in data:
if (not data['reprovision_distro_tree']
or 'id' not in data['reprovision_distro_tree']):
new_rpdt = None
else:
new_rpdt = DistroTree.by_id(
data['reprovision_distro_tree']['id'])
if new_rpdt != system.reprovision_distro_tree:
record_activity(u'reprovision_distro_tree',
unicode(system.reprovision_distro_tree),
unicode(new_rpdt))
system.reprovision_distro_tree = new_rpdt
changed = True
if 'location' in data:
new_location = data['location'] or None
if new_location != system.location:
record_activity(u'Location', system.location, new_location)
system.location = new_location
changed = True
if 'lender' in data:
new_lender = data['lender'] or None
if new_lender != system.lender:
record_activity(u'Lender', system.lender, new_lender)
system.lender = new_lender
changed = True
if 'kernel_type' in data:
new_kernel_type = KernelType.by_name(data['kernel_type'])
if new_kernel_type != system.kernel_type:
record_activity(u'Kernel Type', system.kernel_type,
new_kernel_type)
system.kernel_type = new_kernel_type
changed = True
if 'hypervisor' in data:
if data['hypervisor']:
new_hypervisor = Hypervisor.by_name(data['hypervisor'])
else:
new_hypervisor = None
if new_hypervisor != system.hypervisor:
record_activity(u'Hypervisor', system.hypervisor,
new_hypervisor)
system.hypervisor = new_hypervisor
changed = True
if 'vendor' in data:
new_vendor = data['vendor'] or None
if new_vendor != system.vendor:
record_activity(u'Vendor', system.vendor, new_vendor)
system.vendor = new_vendor
changed = True
if 'model' in data:
new_model = data['model'] or None
if new_model != system.model:
record_activity(u'Model', system.model, new_model)
system.model = new_model
changed = True
if 'serial_number' in data:
new_serial_number = data['serial_number'] or None
if new_serial_number != system.serial:
record_activity(u'Serial Number', system.serial,
new_serial_number)
system.serial = new_serial_number
changed = True
if 'mac_address' in data:
new_mac_address = data['mac_address'] or None
if new_mac_address != system.mac_address:
record_activity(u'MAC Address', system.mac_address,
new_mac_address)
system.mac_address = new_mac_address
changed = True
if 'memory' in data:
new_memory = int(data['memory']) if data['memory'] else None
if new_memory != system.memory:
record_activity(u'Memory', system.memory, new_memory)
system.memory = new_memory
changed = True
if 'numa_nodes' in data:
new_numa_nodes = int(
data['numa_nodes']) if data['numa_nodes'] else None
if not system.numa:
system.numa = Numa()
if new_numa_nodes != system.numa.nodes:
record_activity(u'NUMA/Nodes', system.numa.nodes,
new_numa_nodes)
system.numa.nodes = new_numa_nodes
changed = True
if changed:
# XXX clear checksum!?
system.date_modified = datetime.datetime.utcnow()
response = jsonify(system.__json__())
if renamed:
response.headers.add('Location', url('/view/%s' % system.fqdn))
return response
def _from_csv(cls,system,data,csv_type,log):
"""
Import data from CSV file into System Objects
"""
for key in data.keys():
if key in cls.reg_keys and key != 'id':
if data[key]:
newdata = smart_bool(data[key])
else:
newdata = None
current_data = getattr(system, key, None)
if unicode(newdata) != unicode(current_data):
setattr(system,key,newdata)
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=key,
old=u'%s' % current_data, new=u'%s' % newdata)
# import arch
if 'arch' in data:
arch_objs = []
if data['arch']:
arches = data['arch'].split(',')
for arch in arches:
try:
arch_obj = Arch.by_name(arch)
except ValueError:
raise ValueError("%s: Invalid arch %s" %
(system.fqdn, arch))
arch_objs.append(arch_obj)
if system.arch != arch_objs:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'arch',
old=u'%s' % system.arch, new=u'%s' % arch_objs)
system.arch = arch_objs
# import cc
if 'cc' in data:
cc_objs = []
if data['cc']:
cc_objs = data['cc'].split(',')
if system.cc != cc_objs:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'cc',
old=u'%s' % system.cc, new=u'%s' % cc_objs)
system.cc = cc_objs
# import labController
if 'lab_controller' in data:
if data['lab_controller']:
try:
lab_controller = LabController.by_name(data['lab_controller'])
except InvalidRequestError:
raise ValueError("%s: Invalid lab controller %s" %
(system.fqdn, data['lab_controller']))
else:
lab_controller = None
if system.lab_controller != lab_controller:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'lab_controller',
old=u'%s' % system.lab_controller, new=u'%s' % lab_controller)
system.lab_controller = lab_controller
# import owner
if 'owner' in data:
if data['owner']:
owner = User.by_user_name(data['owner'])
if not owner:
raise ValueError("%s: Invalid User %s" %
(system.fqdn, data['owner']))
else:
owner = None
if system.owner != owner:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'owner',
old=u'%s' % system.owner, new=u'%s' % owner)
system.owner = owner
# import status
if 'status' in data and data['status']:
try:
systemstatus = SystemStatus.from_string(data['status'])
except ValueError:
raise ValueError("%s: Invalid Status %s" %
(system.fqdn, data['status']))
if system.status != systemstatus:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'status',
old=u'%s' % system.status, new=u'%s' % systemstatus)
system.status = systemstatus
# import type
if 'type' in data:
if not data['type']:
raise ValueError("%s: Invalid Type None" % system.fqdn)
try:
systemtype = SystemType.from_string(data['type'])
except ValueError:
raise ValueError("%s: Invalid Type %s" %
(system.fqdn, data['type']))
if system.type != systemtype:
system.record_activity(user=identity.current.user,
service=u'CSV', action=u'Changed', field=u'type',
old=u'%s' % system.type, new=u'%s' % systemtype)
system.type = systemtype
# import secret
if 'secret' in data:
# 'private' used to be a field on system (called 'secret' in the UI
# and CSV). The field is replaced by the 'view' permission in the
# access policy so CSV export no longer produces 'secret' in its
# output. However we still accept it on import for compatibility.
# It is mapped to the 'view everybody' rule in the access policy.
if not data['secret']:
raise ValueError("%s: Invalid secret None" % system.fqdn)
secret = smart_bool(data['secret'])
view_everybody = system.custom_access_policy.grants_everybody(
SystemPermission.view)
if secret and view_everybody:
# remove 'view everybody' rule
for rule in system.custom_access_policy.rules:
if rule.permission == SystemPermission.view and rule.everybody:
system.record_activity(user=identity.current.user, service=u'HTTP',
field=u'Access Policy Rule', action=u'Removed',
old=repr(rule))
session.delete(rule)
if not secret and not view_everybody:
# add rule granting 'view everybody'
new_rule = system.custom_access_policy.add_rule(everybody=True,
permission=SystemPermission.view)
system.record_activity(user=identity.current.user, service=u'HTTP',
field=u'Access Policy Rule', action=u'Added',
new=repr(new_rule))
def update_system(fqdn):
system = _get_system_by_FQDN(fqdn)
if not system.can_edit(identity.current.user):
raise Forbidden403('Cannot edit system')
data = read_json_request(request)
# helper for recording activity below
def record_activity(field, old, new, action=u'Changed'):
system.record_activity(user=identity.current.user, service=u'HTTP',
action=action, field=field, old=old, new=new)
with convert_internal_errors():
# XXX what a nightmare... need to use a validation/conversion library,
# and maybe simplify/relocate the activity recording stuff somehow
changed = False
renamed = False
if 'fqdn' in data:
new_fqdn = data['fqdn'].lower()
if new_fqdn != system.fqdn:
if System.query.filter(System.fqdn == new_fqdn).count():
raise Conflict409('System %s already exists' % new_fqdn)
record_activity(u'FQDN', system.fqdn, new_fqdn)
system.fqdn = new_fqdn
changed = True
renamed = True
if 'owner' in data and data['owner'].get('user_name') != system.owner.user_name:
if not system.can_change_owner(identity.current.user):
raise Forbidden403('Cannot change owner')
new_owner = User.by_user_name(data['owner'].get('user_name'))
if new_owner is None:
raise BadRequest400('No such user %s' % data['owner'].get('user_name'))
record_activity(u'Owner', system.owner, new_owner)
system.owner = new_owner
changed = True
if 'status' in data:
new_status = SystemStatus.from_string(data['status'])
if new_status != system.status:
record_activity(u'Status', system.status, new_status)
system.status = new_status
if not new_status.bad and system.status_reason:
# clear the status reason for "good" statuses
record_activity(u'Status Reason', system.status_reason, None)
system.status_reason = None
changed = True
if 'status_reason' in data:
new_reason = data['status_reason'] or None
if new_reason and not system.status.bad:
raise ValueError('Cannot set status reason when status is %s'
% system.status)
if new_reason != system.status_reason:
record_activity(u'Status Reason', system.status_reason, new_reason)
system.status_reason = new_reason
changed = True
if 'type' in data:
new_type = SystemType.from_string(data['type'])
if new_type != system.type:
record_activity(u'Type', system.type, new_type)
system.type = new_type
changed = True
if 'arches' in data:
new_arches = [Arch.by_name(a) for a in (data['arches'] or [])]
added_arches = set(new_arches).difference(system.arch)
removed_arches = set(system.arch).difference(new_arches)
if added_arches or removed_arches:
for added_arch in added_arches:
record_activity(u'Arch', None, added_arch, u'Added')
for removed_arch in removed_arches:
record_activity(u'Arch', removed_arch, None, u'Removed')
system.arch[:] = new_arches
changed = True
if 'lab_controller_id' in data:
if data['lab_controller_id']:
new_lc = LabController.by_id(data['lab_controller_id'])
else:
new_lc = None
if new_lc != system.lab_controller:
if system.open_reservation is not None:
raise Conflict409('Unable to change lab controller while system '
'is in use (return the system first)')
record_activity(u'Lab Controller', system.lab_controller, new_lc)
system.lab_controller = new_lc
changed = True
# If we're given any power-related keys, need to ensure system.power exists
if not system.power and set(['power_type', 'power_address', 'power_user',
'power_password', 'power_id', 'power_quiescent_period'])\
.intersection(data.keys()):
system.power = Power()
if 'power_type' in data:
new_power_type = PowerType.by_name(data['power_type'])
if new_power_type != system.power.power_type:
if not system.power.power_type:
old_power_type = ''
else:
old_power_type = system.power.power_type.name
record_activity(u'power_type', old_power_type, new_power_type.name)
system.power.power_type = new_power_type
changed = True
if 'power_address' in data:
new_power_address = data['power_address']
if not new_power_address:
raise ValueError('Power address is required')
if new_power_address != system.power.power_address:
record_activity(u'power_address', system.power.power_address,
data['power_address'])
system.power.power_address = new_power_address
changed = True
if 'power_user' in data:
new_power_user = data['power_user'] or u''
if new_power_user != (system.power.power_user or u''):
record_activity(u'power_user', u'********', u'********')
system.power.power_user = new_power_user
changed = True
if 'power_password' in data:
new_power_password = data['power_password'] or u''
if new_power_password != (system.power.power_passwd or u''):
record_activity(u'power_passwd', u'********', u'********')
system.power.power_passwd = new_power_password
changed = True
if 'power_id' in data:
new_power_id = data['power_id'] or u''
if new_power_id != (system.power.power_id or u''):
record_activity(u'power_id', system.power.power_id, new_power_id)
system.power.power_id = new_power_id
changed = True
if 'power_quiescent_period' in data:
new_qp = int(data['power_quiescent_period'])
if new_qp != system.power.power_quiescent_period:
record_activity(u'power_quiescent_period',
system.power.power_quiescent_period, new_qp)
system.power.power_quiescent_period = new_qp
changed = True
if 'release_action' in data:
new_release_action = ReleaseAction.from_string(data['release_action'])
if new_release_action != (system.release_action or ReleaseAction.power_off):
record_activity(u'release_action',
(system.release_action or ReleaseAction.power_off),
new_release_action)
system.release_action = new_release_action
changed = True
if 'reprovision_distro_tree' in data:
if (not data['reprovision_distro_tree'] or
'id' not in data['reprovision_distro_tree']):
new_rpdt = None
else:
new_rpdt = DistroTree.by_id(data['reprovision_distro_tree']['id'])
if new_rpdt != system.reprovision_distro_tree:
record_activity(u'reprovision_distro_tree',
unicode(system.reprovision_distro_tree),
unicode(new_rpdt))
system.reprovision_distro_tree = new_rpdt
changed = True
if 'location' in data:
new_location = data['location'] or None
if new_location != system.location:
record_activity(u'Location', system.location, new_location)
system.location = new_location
changed = True
if 'lender' in data:
new_lender = data['lender'] or None
if new_lender != system.lender:
record_activity(u'Lender', system.lender, new_lender)
system.lender = new_lender
changed = True
if 'kernel_type' in data:
new_kernel_type = KernelType.by_name(data['kernel_type'])
if new_kernel_type != system.kernel_type:
record_activity(u'Kernel Type', system.kernel_type, new_kernel_type)
system.kernel_type = new_kernel_type
changed = True
if 'hypervisor' in data:
if data['hypervisor']:
new_hypervisor = Hypervisor.by_name(data['hypervisor'])
else:
new_hypervisor = None
if new_hypervisor != system.hypervisor:
record_activity(u'Hypervisor', system.hypervisor, new_hypervisor)
system.hypervisor = new_hypervisor
changed = True
if 'vendor' in data:
new_vendor = data['vendor'] or None
if new_vendor != system.vendor:
record_activity(u'Vendor', system.vendor, new_vendor)
system.vendor = new_vendor
changed = True
if 'model' in data:
new_model = data['model'] or None
if new_model != system.model:
record_activity(u'Model', system.model, new_model)
system.model = new_model
changed = True
if 'serial_number' in data:
new_serial_number = data['serial_number'] or None
if new_serial_number != system.serial:
record_activity(u'Serial Number', system.serial, new_serial_number)
system.serial = new_serial_number
changed = True
if 'mac_address' in data:
new_mac_address = data['mac_address'] or None
if new_mac_address != system.mac_address:
record_activity(u'MAC Address', system.mac_address, new_mac_address)
system.mac_address = new_mac_address
changed = True
if 'memory' in data:
new_memory = int(data['memory']) if data['memory'] else None
if new_memory != system.memory:
record_activity(u'Memory', system.memory, new_memory)
system.memory = new_memory
changed = True
if 'numa_nodes' in data:
new_numa_nodes = int(data['numa_nodes']) if data['numa_nodes'] else None
if not system.numa:
system.numa = Numa()
if new_numa_nodes != system.numa.nodes:
record_activity(u'NUMA/Nodes', system.numa.nodes, new_numa_nodes)
system.numa.nodes = new_numa_nodes
changed = True
if changed:
# XXX clear checksum!?
system.date_modified = datetime.datetime.utcnow()
response = jsonify(system.__json__())
if renamed:
response.headers.add('Location', url('/view/%s' % system.fqdn))
return response