def vm_status_event_cb(result, task_id):
"""
Callback task run by erigonesd-vmon service after detecting a VM status change.
"""
vm_uuid = result['zonename']
state_cache = cache.get(Vm.status_key(vm_uuid))
zoneid_cache = cache.get(Vm.zoneid_key(vm_uuid))
state = Vm.STATUS_DICT[result['state']]
zoneid = result['zoneid']
when = result['when']
change_time = datetime.utcfromtimestamp(
float(when) / pow(10,
int(log10(when)) - 9)).replace(tzinfo=utc)
if state == Vm.STOPPED:
zoneid = Vm.STOPPED_ZONEID # The sysevent monitor sends the last known zoneid even for stopped VMs
# Check and eventually save VM's status
_vm_status_check(task_id,
result['node_uuid'],
vm_uuid,
zoneid,
state,
state_cache=state_cache,
zoneid_cache=zoneid_cache,
change_time=change_time)
def mon_vm_delete(task_id,
sender,
vm_uuid=None,
vm_hostname=None,
vm_alias=None,
dc_id=None,
zabbix_sync=None,
external_zabbix_sync=None,
log=LOG,
**kwargs):
"""
Remove host from zabbix.
"""
assert vm_uuid
assert dc_id
assert zabbix_sync is not None
assert external_zabbix_sync is not None
# Create dummy VM object - used just to get zabbix_id and log things
vm = Vm(uuid=vm_uuid, hostname=vm_hostname, alias=vm_alias)
log.obj = vm.log_list
if zabbix_sync or external_zabbix_sync:
dc = Dc.objects.get_by_id(dc_id)
return getZabbix(dc).vm_delete(Vm(uuid=vm_uuid, hostname=vm_hostname),
internal=zabbix_sync,
external=external_zabbix_sync,
task_log=log)
else:
logger.info('Zabbix synchronization completely disabled for VM %s',
vm_uuid)
return None
def _vm_zoneid_check(task_id,
uuid,
zoneid,
zoneid_cache=None,
change_time=None):
"""Check/save new zoneid and zoneid_change"""
if zoneid_cache is not None:
zoneid_cache = int(zoneid_cache)
if zoneid_cache != zoneid: # Save new zoneid into cache
logger.warn('Detected zone ID change %s->%s for vm %s', zoneid_cache,
zoneid, uuid)
if change_time:
old_change_time = cache.get(Vm.zoneid_change_key(uuid))
if old_change_time and old_change_time > change_time:
logger.warn(
'Ignoring zone ID change %s->%s of VM %s because it is too old: %s > %s',
zoneid_cache, zoneid, uuid, old_change_time, change_time)
return
cache.set(Vm.zoneid_key(uuid), zoneid)
cache.set(Vm.zoneid_change_key(uuid), change_time or timezone.now())
vm_zoneid_changed.send(task_id,
vm_uuid=uuid,
zoneid=zoneid,
old_zoneid=zoneid_cache) # Signal!
def __init__(self, request, vm, *args, **kwargs):
self.dns = None
self.dns_content = None
# Cache vm._fqdn hostname/domain pair and find dns record
# This will also fill the _available_domains list
if vm and vm.hostname_is_valid_fqdn(cache=False): # Will return False if DNS_ENABLED is False
self.dns = Record.get_records_A(vm.hostname, vm.fqdn_domain)
if self.dns:
self.dns_content = ', '.join([d.content for d in self.dns])
# Initial data
if vm and 'initial' not in kwargs:
kwargs['initial'] = self._initial_data(request, vm)
# Parent constructor
super(ServerSettingsForm, self).__init__(request, vm, *args, **kwargs)
if vm:
# noinspection PyProtectedMember
domains = [(i, i) for i in vm._available_domains]
# Invalid (empty) domain must be added into domain choices
if not vm.fqdn_domain:
domains.append(('', ''))
self.fields['domain'].required = False
else:
domains = [(i, i) for i in Vm.available_domains(request.dc, request.user)]
if not request.dc.settings.DNS_ENABLED:
self.fields['domain'].required = False
# Set available domains
domains.sort()
self.fields['domain'].choices = domains
def vm_status_current_cb(result, task_id, vm_uuid=None):
"""
A callback function for GET api.vm.status.views.vm_status.
It is responsible for displaying the actual VM status to the user and optionally changing status in DB.
"""
stdout = result.pop('stdout', '')
stderr = result.pop('stderr', '')
rc = result.pop('returncode')
if rc != 0:
logger.error(
'Found nonzero returncode in result from GET vm_status(%s). Error: %s',
vm_uuid, stderr)
raise TaskException(
result, 'Got bad return code (%s). Error: %s' % (rc, stderr))
line = stdout.strip().split(':')
result['status'] = line[0]
vm = Vm.objects.select_related('node').get(uuid=vm_uuid)
try:
state = Vm.STATUS_DICT[result['status']]
zoneid = int(line[1] or Vm.STOPPED_ZONEID)
except (KeyError, IndexError):
result['message'] = 'Unidentified VM status'
else:
result['message'] = ''
state_cache = cache.get(Vm.status_key(vm_uuid))
zoneid_cache = cache.get(Vm.zoneid_key(vm_uuid))
if state_cache != state or zoneid_cache != zoneid:
# Check and eventually save VM's status
_vm_status_check(task_id,
vm.node.uuid,
vm_uuid,
zoneid,
state,
state_cache=state_cache,
zoneid_cache=zoneid_cache,
change_time=_get_task_time(result, 'exec_time'))
vm.tasks_del(task_id)
return result
def vm_status_current_cb(result, task_id, vm_uuid=None, force_change=False):
"""
A callback function for GET api.vm.status.views.vm_status.
It is responsible for displaying the actual VM status to the user and optionally changing status in DB.
"""
stdout = result.pop('stdout', '')
stderr = result.pop('stderr', '')
rc = result.pop('returncode')
if rc != 0:
logger.error(
'Found nonzero returncode in result from GET vm_status(%s). Error: %s',
vm_uuid, stderr)
raise TaskException(
result, 'Got bad return code (%s). Error: %s' % (rc, stderr))
line = stdout.strip().split(':')
result['status'] = line[0]
result['status_changed'] = False
vm = Vm.objects.select_related('node', 'slavevm').get(uuid=vm_uuid)
try:
if result['status']:
state = Vm.STATUS_DICT[result['status']]
else:
# vmadm list returned with rc=0 and empty stdout => VM does not exist on compute node
state = Vm.NOTCREATED
result['status'] = dict(Vm.STATUS).get(state)
except (KeyError, IndexError):
result['message'] = 'Unidentified VM status'
else:
result['message'] = ''
state_cache = cache.get(Vm.status_key(vm_uuid))
# Check and eventually save VM's status
if _vm_status_check(task_id,
vm.node.uuid,
vm_uuid,
state,
state_cache=state_cache,
force_change=force_change,
change_time=_get_task_time(result, 'exec_time')):
result['status_changed'] = True
vm.tasks_del(task_id)
return result
def vm_status_event_cb(result, task_id):
"""
Callback task run by erigonesd-vmon service after detecting a VM status change.
"""
vm_uuid = result['zonename']
state_cache = cache.get(Vm.status_key(vm_uuid))
state = Vm.STATUS_DICT[result['state']]
when = result['when']
change_time = datetime.utcfromtimestamp(
float(when) / pow(10,
int(log10(when)) - 9)).replace(tzinfo=utc)
# Check and eventually save VM's status
_vm_status_check(task_id,
result['node_uuid'],
vm_uuid,
state,
state_cache=state_cache,
change_time=change_time)
def vm_from_json(request,
task_id,
json,
dc,
owner=settings.ADMIN_USER,
template=True,
save=False,
update_ips=True,
update_dns=True):
"""Parse json a create new Vm object
@param dict json: loaded json dictionary obtained via vmadm get
@param int owner: whether to fetch the vm.owner User object. Also indicates an user id, \
which will be used as fallback
@param bool template: True if the template should be set according to internal_metadata.template
@param Dc dc: Dc object for the Vm
@param bool save: Should the new Vm be saved in DB?
@param bool update_ips: Update server <-> IpAddress relations. Only performed if save and update_ips are True.
@param bool update_dns: Try to update/create DNS record for server's primary IP. Only performed if save is True.
@return: new Vm instance
"""
# noinspection PyUnresolvedReferences
hostname_length = VmDefineSerializer.base_fields['hostname'].max_length
# noinspection PyUnresolvedReferences
alias_length = VmDefineSerializer.base_fields['alias'].max_length
# basic information (KeyError)
vm = Vm(uuid=json['uuid'],
hostname=json['hostname'][:hostname_length],
status=Vm.STATUS_DICT[json['state']],
dc=dc)
vm.new = True
brand = json['brand']
# json and json_active
vm.json = vm.json_active = json
# node & vnc_port (no check)
vm.node_id = json.get('server_uuid', None)
vm.vnc_port = json.get('vnc_port', None)
# alias
try:
vm.alias = json['internal_metadata']['alias'][:alias_length]
except KeyError:
try:
alias = json['alias']
except KeyError:
alias = vm.hostname
vm.alias = alias.split('.')[0][:alias_length]
logger.warning(
'Alias for new VM %s could not be auto-detected. Fallback to alias=%s',
vm, vm.alias)
# ostype
try:
vm.ostype = int(json['internal_metadata']['ostype'])
except KeyError:
if brand == 'kvm':
vm.ostype = Vm.LINUX
elif brand == 'lx':
vm.ostype = Vm.LINUX_ZONE
else:
vm.ostype = Vm.SUNOS_ZONE
logger.warning(
'OS type for new VM %s could not be auto-detected. Fallback to ostype=%s',
vm, vm.ostype)
# owner
if owner:
try:
vm.owner = User.objects.get(id=int(json['owner_uuid']))
except (KeyError, ValueError, User.DoesNotExist):
vm.owner = User.objects.get(id=owner)
logger.warning(
'Owner for new VM %s could not be auto-detected. Fallback to owner=%s',
vm, vm.owner)
# template
if template:
tmpname = None
try:
tmpname = json['internal_metadata']['template']
if tmpname:
vm.template = VmTemplate.objects.get(
name=json['internal_metadata']['template'], dc=dc)
except (KeyError, VmTemplate.DoesNotExist):
vm.template = None
if tmpname:
logger.warning(
'Template "%s" for new VM %s could not be auto-detected',
tmpname, vm)
# images
for img_uuid in vm.get_image_uuids():
Image.objects.get(uuid=img_uuid, dc=dc) # May raise Image.DoesNotExist
# subnets
for net_uuid in vm.get_network_uuids():
Subnet.objects.get(uuid=net_uuid,
dc=dc) # May raise Subnet.DoesNotExist
# Initialize uptime now
logger.info(vm.update_uptime(force_init=True))
if save:
vm.save(sync_json=True,
update_node_resources=True,
update_storage_resources=True)
logger.info('Server %s (%s) was saved', vm.uuid, vm)
exc = None
primary_ip = None
if update_ips:
for i, nic in enumerate(vm.json_get_nics()):
if 'network_uuid' not in nic:
logger.error(
'Server %s NIC ID %s has no network_uuid defined', vm,
i)
exc = KeyError('network_uuid')
break
try:
net = Subnet.objects.get(uuid=nic['network_uuid'], dc=dc)
except Subnet.DoesNotExist as e:
exc = e
break
else:
if net.dhcp_passthrough:
logger.info(
'Server %s NIC ID %s uses an externally managed network %s',
vm, i, net.name)
continue
ip, err = _vm_save_ip_from_json(vm,
net,
nic['ip'],
allowed_ips=False)
if err:
logger.critical(err)
exc = SystemError(err)
break
if i == 0:
primary_ip = ip
for ipaddress in nic.get('allowed_ips', ()):
_, err = _vm_save_ip_from_json(vm,
net,
ipaddress,
allowed_ips=True)
if err:
logger.critical(err)
exc = SystemError(err)
break
if exc:
vm.delete()
logger.info('Server %s was deleted', json['uuid'])
raise exc
try:
vm_update_ipaddress_usage(vm)
except ValueError as exc:
vm.delete()
logger.info('Server %s was deleted', json['uuid'])
raise exc
if update_dns and primary_ip:
# This will fail silently (exception is logged)
VmDefineNicSerializer.save_a(request, task_id, vm, primary_ip)
if primary_ip.subnet.ptr_domain:
# This will fail silently (exception is logged)
VmDefineNicSerializer.save_ptr(request,
task_id,
vm,
primary_ip,
primary_ip.subnet,
content=vm.hostname)
return vm
def vm_status_all_cb(result, task_id, node_uuid=None):
"""
A callback function for api.vm.status.tasks.vm_status_all.
Compare actual VM status against cached data. If something changes emit a message and update DB.
"""
tid = vm_status_all_cb.request.id
if result.get('returncode') != 0:
logger.warn('Found nonzero returncode for task %s(%s)',
'vm_status_all', node_uuid)
return
vms = []
r_states = redis.pipeline()
r_zoneids = redis.pipeline()
for line in result['stdout'].splitlines():
try:
i = line.strip().split(':', 3)
uuid = i[0]
state = Vm.STATUS_DICT[i[1]] # int
zoneid = int(
i[2] or
Vm.STOPPED_ZONEID) # int; "-1" means that the VM not running
exit_or_boot_timestamp = i[3]
except:
try:
# noinspection PyUnboundLocalVariable
if i[1] in Vm.STATUS_UNUSED: # 255
logger.info(
'Ignoring unusable status ("%s") from output of task %s(%s)',
line, 'vm_status_all', node_uuid)
continue
except:
pass
logger.error(
'Could not parse line ("%s") from output of task %s(%s)', line,
'vm_status_all', node_uuid)
continue
vms.append((uuid, state, zoneid, exit_or_boot_timestamp))
r_states.get(KEY_PREFIX + Vm.status_key(uuid))
r_zoneids.get(KEY_PREFIX + Vm.zoneid_key(uuid))
if not vms:
return
vm_states = r_states.execute()
vm_zoneids = r_zoneids.execute()
for i, line in enumerate(vms):
vm = None
uuid, state, zoneid, exit_or_boot_timestamp = line
state_cache = vm_states[i] # None or string
zoneid_cache = vm_zoneids[i] # None or string
# Check and eventually save VM's status
_vm_status_check(tid,
node_uuid,
uuid,
zoneid,
state,
state_cache=state_cache,
zoneid_cache=zoneid_cache,
change_time=_parse_timestamp(exit_or_boot_timestamp))
def _vm_status_check(task_id,
node_uuid,
uuid,
zoneid,
state,
state_cache=None,
zoneid_cache=None,
vm=None,
change_time=None,
**kwargs):
"""Helper function for checking VM's new/actual state used by following callbacks:
- vm_status_all_cb
- vm_status_event_cb
- vm_status_current_cb
"""
if state_cache is None:
try: # vm state not in cache, loading from DB...
vm = Vm.objects.get(uuid=uuid)
except Vm.DoesNotExist:
logger.warn('Got status of undefined vm (%s) - ignoring', uuid)
return
else: # ...and saving to cache
state_cache = vm.status
cache.set(Vm.status_key(uuid), vm.status)
else:
state_cache = int(state_cache)
_vm_zoneid_check(task_id,
uuid,
zoneid,
zoneid_cache,
change_time=change_time)
if state_cache == state:
return
# vm status changed!!!
# Deploying stuff
deploy = False
deploy_finish = False
deploy_over = False
deploy_dummy = False
if state_cache == Vm.CREATING:
if state == Vm.RUNNING:
logger.warn(
'Detected new status %s for vm %s. We were waiting for this. '
'Switching state to (A) "running (2)" or (B) "deploying_start (12)" or '
'(C) "deploying_dummy (14)" and running vm_deploy(force_stop=True).',
state, uuid)
deploy = True
else:
logger.warn(
'Detected new status %s for vm %s, but vm waiting for deploy (%s). '
'Awaiting running state.', state, uuid, state_cache)
return
elif state_cache == Vm.DEPLOYING_DUMMY:
if state == Vm.STOPPED:
logger.warn(
'Detected new status %s for vm %s. We were waiting for this. Dummy deploy is finished. '
'Switching state to "stopped".', state, uuid)
deploy_over = True
else:
logger.warn(
'Detected new status %s for vm %s, but vm is dummy deploying (%s). '
'Awaiting stopped state.', state, uuid, state_cache)
return
elif state_cache == Vm.DEPLOYING_START:
if state == Vm.STOPPED:
logger.warn(
'Detected new status %s for vm %s. We were waiting for this. '
'Switching state to "deploying_finish (13)" and running vm_deploy task.',
state, uuid)
deploy_finish = True
else:
logger.warn(
'Detected new status %s for vm %s, but vm is deploying (%s). '
'Awaiting stopped state.', state, uuid, state_cache)
return
elif state_cache == Vm.DEPLOYING_FINISH:
if state == Vm.RUNNING:
logger.warn(
'Detected new status %s for vm %s. We were waiting for this. Deploy is finished. '
'Switching state to "running".', state, uuid)
deploy_over = True
else:
logger.warn(
'Detected new status %s for vm %s, but vm waiting for finishing deploy (%s). '
'Awaiting running state.', state, uuid, state_cache)
return
elif state_cache not in Vm.STATUS_KNOWN:
logger.debug('Detected unknown cached status %s for vm %s',
state_cache, uuid)
return
# HERE WE GO
logger.warn('Detected status change %s->%s for vm %s', state_cache, state,
uuid)
try: # get VM
if not vm:
vm = Vm.objects.select_related('node', 'slavevm').get(uuid=uuid)
except Vm.DoesNotExist:
logger.error('Status of undefined vm (%s) changed', uuid)
return
if vm.node.uuid != node_uuid: # double vm protection
logger.error(
'Detected status change for vm %s on node %s, but the vm should be on %s!',
uuid, vm.node.uuid, node_uuid)
return
if deploy: # deploy process started (VM is running)
if vm.is_deploy_needed():
vm.status = Vm.DEPLOYING_START
vm.save_status(status_change_time=change_time)
return # The deploy will be over after VM is stopped by itself from inside
elif vm.is_blank(): # Empty VM is running -> stop VM via vm_deploy()
vm.status = Vm.DEPLOYING_DUMMY
vm.save_status(status_change_time=change_time)
deploy_dummy = True # The deploy will be over after VM is stopped by vm_deploy()
else: # Deploy is not needed, but VM has an image. We are done here -> VM is running
deploy_over = True
if deploy_finish: # finish deploy process -> the deploy will be over when VM is started by vm_deploy()
vm.status = Vm.DEPLOYING_FINISH
vm.save_status(status_change_time=change_time)
if deploy_finish or deploy_dummy:
_tid, _err = vm_deploy(vm, force_stop=deploy_dummy)
if _err:
logger.error(
'Got error when creating deploy task. Task: %s. Error: %s.',
_tid, _err)
else:
logger.warn('Created deploy task: %s.', _tid)
return
if vm.is_changing_status():
logger.warn(
'Detected running vm_status task (pending state) for vm %s', uuid)
_save_vm_status(task_id,
vm,
state,
old_state=state_cache,
deploy_over=deploy_over,
change_time=change_time,
**kwargs)
def vm_status_changed(tid,
vm,
state,
old_state=None,
save_state=True,
deploy_over=False,
change_time=None):
"""
This function is something like a dummy callback.
It should be called when VM state is changed from a task.
"""
if change_time:
old_change_time = cache.get(Vm.status_change_key(vm.uuid))
if old_change_time and old_change_time > change_time:
logger.warn(
'Ignoring status change %s->%s of VM %s (%s) because it is too old: %s > %s',
vm.status, state, vm, vm.uuid, old_change_time, change_time)
return None
# save to DB and also update cache
if save_state:
vm.status = state
if old_state is not None: # if cached status != vm.status (don't remember why we need this)
vm._orig_status = old_state
vm.save(update_fields=('status', 'status_change', 'uptime',
'uptime_changed'),
status_change_time=change_time)
if deploy_over: # deploy process ended
# Set the deploy_finished flag to inform vm_create_cb
vm.set_deploy_finished()
if vm.is_slave_vm():
logger.info('Detected status change of slave VM %s - "%s"', vm.uuid,
vm)
return None
# Adjust task ID according to VM parameters
tid = task_id_from_task_id(tid, owner_id=vm.owner.id, dc_id=vm.dc_id)
# Signals!
vm_status_changed_sig.send(tid,
vm=vm,
old_state=old_state,
new_state=state) # Signal!
if vm.status == vm.RUNNING:
vm_running.send(tid, vm=vm, old_state=old_state) # Signal!
elif vm.status == vm.STOPPED:
vm_stopped.send(tid, vm=vm, old_state=old_state) # Signal!
# data for next operations
msg = LOG_STATUS_CHANGE
task_event = VmStatusChanged(tid, vm)
# log task
task_log(tid,
msg,
vm=vm,
owner=vm.owner,
task_result=task_event.result,
task_status=states.SUCCESS,
time=vm.status_change,
update_user_tasks=False)
# inform users (VM owners logged in GUI)
task_event.send()
def vm_from_json(request, task_id, json, dc, owner=settings.ADMIN_USER, template=True, save=False, # noqa: R701
update_ips=True, update_dns=True):
"""Parse json a create new Vm object
@param dict json: loaded json dictionary obtained via vmadm get
@param int owner: whether to fetch the vm.owner User object. Also indicates an user id, \
which will be used as fallback
@param bool template: True if the template should be set according to internal_metadata.template
@param Dc dc: Dc object for the Vm
@param bool save: Should the new Vm be saved in DB?
@param bool update_ips: Update server <-> IpAddress relations. Only performed if save and update_ips are True.
@param bool update_dns: Try to update/create DNS record for server's primary IP. Only performed if save is True.
@return: new Vm instance
"""
# noinspection PyUnresolvedReferences
hostname_length = VmDefineSerializer.base_fields['hostname'].max_length
# noinspection PyUnresolvedReferences
alias_length = VmDefineSerializer.base_fields['alias'].max_length
# basic information (KeyError)
vm = Vm(uuid=json['uuid'], hostname=json['hostname'][:hostname_length], status=Vm.STATUS_DICT[json['state']], dc=dc)
vm.new = True
brand = json['brand']
# json and json_active
vm.json = vm.json_active = json
# node & vnc_port (no check)
vm.node_id = json.get('server_uuid', None)
vm.vnc_port = json.get('vnc_port', None)
# alias
try:
vm.alias = json['internal_metadata']['alias'][:alias_length]
except KeyError:
try:
alias = json['alias']
except KeyError:
alias = vm.hostname
vm.alias = alias.split('.')[0][:alias_length]
logger.warning('Alias for new VM %s could not be auto-detected. Fallback to alias=%s', vm, vm.alias)
# ostype
try:
vm.ostype = int(json['internal_metadata']['ostype'])
except KeyError:
if brand == 'kvm':
vm.ostype = Vm.LINUX
elif brand == 'lx':
vm.ostype = Vm.LINUX_ZONE
else:
vm.ostype = Vm.SUNOS_ZONE
logger.warning('OS type for new VM %s could not be auto-detected. Fallback to ostype=%s', vm, vm.ostype)
# owner
if owner:
try:
vm.owner = User.objects.get(id=int(json['owner_uuid']))
except (KeyError, ValueError, User.DoesNotExist):
vm.owner = User.objects.get(id=owner)
logger.warning('Owner for new VM %s could not be auto-detected. Fallback to owner=%s', vm, vm.owner)
# template
if template:
tmpname = None
try:
tmpname = json['internal_metadata']['template']
if tmpname:
vm.template = VmTemplate.objects.get(name=json['internal_metadata']['template'], dc=dc)
except (KeyError, VmTemplate.DoesNotExist):
vm.template = None
if tmpname:
logger.warning('Template "%s" for new VM %s could not be auto-detected', tmpname, vm)
# images
for img_uuid in vm.get_image_uuids():
Image.objects.get(uuid=img_uuid, dc=dc) # May raise Image.DoesNotExist
# subnets
for net_uuid in vm.get_network_uuids():
if not Subnet.objects.filter(uuid=net_uuid, dc=dc).exists():
# VM uses subnet that doesn't exist in database. Let's create it.
# retrieve nic config for the non-existent network from harvested VM
nic = vm.get_nic_config(net_uuid)
network = IPAddress.get_net_address(nic['ip'], nic['netmask'])
logger.warning('VM "%s" uses undefined network "%s/%s" over nic tag "%s". Trying to create it.',
vm.name, network, nic['netmask'], nic['nic_tag'])
# take the network name from the nic tag
net_name = nic['nic_tag']
if Subnet.objects.filter(name=net_name).exists():
logger.info('Network "%s" already exists, adding number at the end', net_name)
net_name_number = 1
while net_name_number < 100:
net_name = "%s-%s" % (net_name, net_name_number)
if not Subnet.objects.filter(name=net_name).exists():
# this name doesn't exist, let's use it
break
# if there really exist 99 networks with name "${net_name}-${net_name_number},
# subnet creation will fail
net_name_number += 1
gateway = None
if 'gateway' in nic:
gateway = nic['gateway']
mtu = None
if 'mtu' in nic:
mtu = nic['mtu']
# create the network
new_network = Subnet(name=net_name, uuid=net_uuid, nic_tag=nic['nic_tag'], mtu=mtu, network=network,
netmask=nic['netmask'], gateway=gateway, owner_id=settings.ADMIN_USER, alias=net_name)
new_network.save()
# attach network to specified dc
new_network.dc.add(dc)
if dc.name == settings.VMS_DC_ADMIN:
# when attaching network to admin DC, attach it also to main dc
main_dc = Dc.objects.get(name=settings.VMS_DC_MAIN)
new_network.dc.add(main_dc)
# Initialize uptime now
logger.info(vm.update_uptime(force_init=True))
if save:
vm.save(sync_json=True, update_node_resources=True, update_storage_resources=True)
logger.info('Server %s (%s) was saved', vm.uuid, vm)
exc = None
primary_ip = None
if update_ips:
for i, nic in enumerate(vm.json_get_nics()):
if 'network_uuid' not in nic:
logger.error('Server %s NIC ID %s has no network_uuid defined', vm, i)
exc = KeyError('network_uuid')
break
try:
net = Subnet.objects.get(uuid=nic['network_uuid'], dc=dc)
except Subnet.DoesNotExist as e:
exc = e
break
else:
if net.dhcp_passthrough:
logger.info('Server %s NIC ID %s uses an externally managed network %s', vm, i, net.name)
continue
ip, err = _vm_save_ip_from_json(vm, net, nic['ip'], allowed_ips=False)
if err:
logger.critical(err)
exc = SystemError(err)
break
if i == 0:
primary_ip = ip
for ipaddress in nic.get('allowed_ips', []):
_, err = _vm_save_ip_from_json(vm, net, ipaddress, allowed_ips=True)
if err:
logger.critical(err)
exc = SystemError(err)
break
if exc:
vm.delete()
logger.info('Server %s was deleted', json['uuid'])
raise exc
try:
vm_update_ipaddress_usage(vm)
except ValueError as exc:
vm.delete()
logger.info('Server %s was deleted', json['uuid'])
raise exc
if update_dns and primary_ip:
# This will fail silently (exception is logged)
VmDefineNicSerializer.save_a(request, task_id, vm, primary_ip)
if primary_ip.subnet.ptr_domain:
# This will fail silently (exception is logged)
VmDefineNicSerializer.save_ptr(request, task_id, vm, primary_ip, primary_ip.subnet, content=vm.hostname)
return vm
def vm_status_all_cb(result, task_id, node_uuid=None):
"""
A callback function for api.vm.status.tasks.vm_status_all.
Compare actual VM status against cached data. If something changes emit a message and update DB.
"""
tid = vm_status_all_cb.request.id
if result.get('returncode') != 0:
logger.warn('Found nonzero returncode for task %s(%s)',
'vm_status_all', node_uuid)
return
vms = []
r_states = redis.pipeline()
# The result['stdout'] contains output from `vmadm list -o uuid,state,exit_timestamp,boot_timestamp`
# Only one property of exit_timestamp and boot_timestamp will be in the command output
for line in result['stdout'].splitlines():
i = line.strip().split(':',
2) # uuid:state:exit_timestamp,boot_timestamp
if len(i) != 3:
logger.error(
'Could not parse line ("%s") from output of task %s(%s)', line,
'vm_status_all', node_uuid)
continue
if i[1] in Vm.STATUS_UNUSED: # 255
logger.info(
'Ignoring unusable status ("%s") from output of task %s(%s)',
line, 'vm_status_all', node_uuid)
continue
if i[1] not in Vm.STATUS_DICT:
logger.error(
'Unknown status in vmadm list output ("%s") from output of task %s(%s)',
line, 'vm_status_all', node_uuid)
continue
uuid = i[0]
state = Vm.STATUS_DICT[i[1]] # returns int
exit_or_boot_timestamp = i[2]
# Save vm status line into vms list for later status check because we need to pair it to the redis result list
vms.append((uuid, state, exit_or_boot_timestamp))
r_states.get(KEY_PREFIX + Vm.status_key(uuid))
if not vms:
return
vm_states = r_states.execute()
for i, line in enumerate(vms):
uuid, state, exit_or_boot_timestamp = line
state_cache = vm_states[i] # None or string
# Check and eventually save VM's status
_vm_status_check(tid,
node_uuid,
uuid,
state,
state_cache=state_cache,
change_time=_parse_timestamp(exit_or_boot_timestamp))
