4 # Copyright 2017 RIFT.IO Inc
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
20 gi
.require_version('RwcalYang', '1.0')
21 from gi
.repository
import RwcalYang
24 class ImageValidateError(Exception):
27 class VolumeValidateError(Exception):
30 class AffinityGroupError(Exception):
34 class ComputeUtils(object):
36 Utility class for compute operations
38 epa_types
= ['vm_flavor',
44 def __init__(self
, driver
):
48 driver: object of OpenstackDriver()
57 def search_vdu_flavor(self
, vdu_params
):
59 Function to search a matching flavor for VDU instantiation
60 from already existing flavors
63 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
66 flavor_id(string): Flavor id for VDU instantiation
67 None if no flavor could be found
69 kwargs
= { 'vcpus': vdu_params
.vm_flavor
.vcpu_count
,
70 'ram' : vdu_params
.vm_flavor
.memory_mb
,
71 'disk' : vdu_params
.vm_flavor
.storage_gb
,}
73 flavors
= self
.driver
.nova_flavor_find(**kwargs
)
76 flavor_list
.append(self
.driver
.utils
.flavor
.parse_flavor_info(flv
))
78 flavor_id
= self
.driver
.utils
.flavor
.match_resource_flavor(vdu_params
, flavor_list
)
81 def select_vdu_flavor(self
, vdu_params
):
83 This function attempts to find a pre-existing flavor matching required
84 parameters for VDU instantiation. If no such flavor is found, a new one
88 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
91 flavor_id(string): Flavor id for VDU instantiation
93 flavor_id
= self
.search_vdu_flavor(vdu_params
)
94 if flavor_id
is not None:
95 self
.log
.info("Found flavor with id: %s matching requirements for VDU: %s",
96 flavor_id
, vdu_params
.name
)
99 flavor
= RwcalYang
.FlavorInfoItem()
100 flavor
.name
= str(uuid
.uuid4())
102 epa_dict
= { k
: v
for k
, v
in vdu_params
.as_dict().items()
103 if k
in ComputeUtils
.epa_types
}
105 flavor
.from_dict(epa_dict
)
107 flavor_id
= self
.driver
.nova_flavor_create(name
= flavor
.name
,
108 ram
= flavor
.vm_flavor
.memory_mb
,
109 vcpus
= flavor
.vm_flavor
.vcpu_count
,
110 disk
= flavor
.vm_flavor
.storage_gb
,
111 epa_specs
= self
.driver
.utils
.flavor
.get_extra_specs(flavor
))
114 def make_vdu_flavor_args(self
, vdu_params
):
116 Creates flavor related arguments for VDU operation
118 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
121 A dictionary {'flavor_id': <flavor-id>}
123 return {'flavor_id': self
.select_vdu_flavor(vdu_params
)}
126 def make_vdu_image_args(self
, vdu_params
):
128 Creates image related arguments for VDU operation
130 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
133 A dictionary {'image_id': <image-id>}
137 if vdu_params
.has_field('image_name'):
138 kwargs
['image_id'] = self
.resolve_image_n_validate(vdu_params
.image_name
,
139 vdu_params
.image_checksum
)
140 elif vdu_params
.has_field('image_id'):
141 kwargs
['image_id'] = vdu_params
.image_id
145 def resolve_image_n_validate(self
, image_name
, checksum
= None):
147 Resolve the image_name to image-object by matching image_name and checksum
150 image_name (string): Name of image
151 checksums (string): Checksum associated with image
153 Raises ImageValidateError in case of Errors
155 image_info
= [ i
for i
in self
.driver
._glance
_image
_list
if i
['name'] == image_name
]
158 self
.log
.error("No image with name: %s found", image_name
)
159 raise ImageValidateError("No image with name %s found" %(image_name))
161 for image
in image_info
:
162 if 'status' not in image
or image
['status'] != 'active':
163 self
.log
.error("Image %s not in active state. Current state: %s",
164 image_name
, image
['status'])
165 raise ImageValidateError("Image with name %s found in incorrect (%s) state"
166 %(image_name
, image
['status']))
167 if not checksum
or checksum
== image
['checksum']:
170 self
.log
.info("No image found with matching name: %s and checksum: %s",
171 image_name
, checksum
)
172 raise ImageValidateError("No image found with matching name: %s and checksum: %s"
173 %(image_name
, checksum
))
176 def make_vdu_volume_args(self
, volume
, vdu_params
):
179 volume: Protobuf GI object RwcalYang.VDUInitParams_Volumes()
180 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
183 A dictionary required to create volume for VDU
185 Raises VolumeValidateError in case of Errors
189 if volume
.has_field('volume_ref'):
190 self
.log
.error("Unsupported option <Volume Reference> found for volume: %s", volume
.name
)
191 raise VolumeValidateError("Unsupported option <Volume Reference> found for volume: %s"
194 kwargs
['boot_index'] = volume
.boot_priority
195 if volume
.has_field("image"):
196 # Support image->volume
197 kwargs
['source_type'] = "image"
198 kwargs
['uuid'] = self
.resolve_image_n_validate(volume
.image
, volume
.image_checksum
)
200 # Support blank->volume
201 kwargs
['source_type'] = "blank"
202 kwargs
['device_name'] = volume
.name
203 kwargs
['destination_type'] = "volume"
204 kwargs
['volume_size'] = volume
.size
205 kwargs
['delete_on_termination'] = True
207 if volume
.has_field('device_type'):
208 if volume
.device_type
in ['cdrom', 'disk']:
209 kwargs
['device_type'] = volume
.device_type
211 self
.log
.error("Unsupported device_type <%s> found for volume: %s",
212 volume
.device_type
, volume
.name
)
213 raise VolumeValidateError("Unsupported device_type <%s> found for volume: %s"
214 %(volume
.device_type
, volume
.name
))
216 self
.log
.error("Mandatory field <device_type> not specified for volume: %s",
218 raise VolumeValidateError("Mandatory field <device_type> not specified for volume: %s"
221 if volume
.has_field('device_bus'):
222 if volume
.device_bus
in ['ide', 'virtio', 'scsi']:
223 kwargs
['disk_bus'] = volume
.device_bus
225 self
.log
.error("Unsupported device_bus <%s> found for volume: %s",
226 volume
.device_bus
, volume
.name
)
227 raise VolumeValidateError("Unsupported device_bus <%s> found for volume: %s"
228 %(volume
.device_bus
, volume
.name
))
230 self
.log
.error("Mandatory field <device_bus> not specified for volume: %s",
232 raise VolumeValidateError("Mandatory field <device_bus> not specified for volume: %s"
237 def make_vdu_storage_args(self
, vdu_params
):
239 Creates volume related arguments for VDU operation
242 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
245 A dictionary required for volumes creation for VDU instantiation
248 if vdu_params
.has_field('volumes'):
249 kwargs
['block_device_mapping_v2'] = list()
250 # Ignore top-level image
251 kwargs
['image_id'] = ""
252 for volume
in vdu_params
.volumes
:
253 kwargs
['block_device_mapping_v2'].append(self
.make_vdu_volume_args(volume
, vdu_params
))
256 def make_vdu_network_args(self
, vdu_params
):
258 Creates VDU network related arguments for VDU operation
260 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
263 A dictionary {'port_list' : [ports], 'network_list': [networks]}
267 kwargs
['port_list'], kwargs
['network_list'] = self
.driver
.utils
.network
.setup_vdu_networking(vdu_params
)
271 def make_vdu_boot_config_args(self
, vdu_params
):
273 Creates VDU boot config related arguments for VDU operation
275 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
279 'userdata' : <cloud-init> ,
280 'config_drive': True/False,
281 'files' : [ file name ],
282 'metadata' : <metadata string>
286 if vdu_params
.has_field('vdu_init') and vdu_params
.vdu_init
.has_field('userdata'):
287 kwargs
['userdata'] = vdu_params
.vdu_init
.userdata
289 kwargs
['userdata'] = ''
291 if not vdu_params
.has_field('supplemental_boot_data'):
294 if vdu_params
.supplemental_boot_data
.has_field('config_file'):
296 for cf
in vdu_params
.supplemental_boot_data
.config_file
:
297 files
[cf
.dest
] = cf
.source
298 kwargs
['files'] = files
300 if vdu_params
.supplemental_boot_data
.has_field('boot_data_drive'):
301 kwargs
['config_drive'] = vdu_params
.supplemental_boot_data
.boot_data_drive
303 kwargs
['config_drive'] = False
305 if vdu_params
.supplemental_boot_data
.has_field('custom_meta_data'):
307 for cm
in vdu_params
.supplemental_boot_data
.custom_meta_data
:
308 metadata
[cm
] = cm
.value
309 kwargs
['metadata'] = metadata
313 def _select_affinity_group(self
, group_name
):
315 Selects the affinity group based on name and return its id
317 group_name (string): Name of the Affinity/Anti-Affinity group
319 Id of the matching group
321 Raises exception AffinityGroupError if no matching group is found
323 groups
= [g
['id'] for g
in self
.driver
._nova
_affinity
_group
if g
['name'] == group_name
]
325 self
.log
.error("No affinity/anti-affinity group with name: %s found", group_name
)
326 raise AffinityGroupError("No affinity/anti-affinity group with name: %s found" %(group_name))
330 def make_vdu_server_placement_args(self
, vdu_params
):
332 Function to create kwargs required for nova server placement
335 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
338 A dictionary { 'availability_zone' : < Zone >, 'scheduler_hints': <group-id> }
343 if vdu_params
.has_field('availability_zone') \
344 and vdu_params
.availability_zone
.has_field('name'):
345 kwargs
['availability_zone'] = vdu_params
.availability_zone
347 if vdu_params
.has_field('server_group'):
348 kwargs
['scheduler_hints'] = {
349 'group': self
._select
_affinity
_group
(vdu_params
.server_group
)
353 def make_vdu_server_security_args(self
, vdu_params
, account
):
355 Function to create kwargs required for nova security group
358 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
359 account: Protobuf GI object RwcalYang.CloudAccount()
362 A dictionary {'security_groups' : < group > }
365 if account
.openstack
.security_groups
:
366 kwargs
['security_groups'] = account
.openstack
.security_groups
370 def make_vdu_create_args(self
, vdu_params
, account
):
372 Function to create kwargs required for nova_server_create API
375 vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
376 account: Protobuf GI object RwcalYang.CloudAccount()
379 A kwargs dictionary for VDU create operation
383 kwargs
['name'] = vdu_params
.name
385 kwargs
.update(self
.make_vdu_flavor_args(vdu_params
))
386 kwargs
.update(self
.make_vdu_storage_args(vdu_params
))
387 kwargs
.update(self
.make_vdu_image_args(vdu_params
))
388 kwargs
.update(self
.make_vdu_network_args(vdu_params
))
389 kwargs
.update(self
.make_vdu_boot_config_args(vdu_params
))
390 kwargs
.update(self
.make_vdu_server_placement_args(vdu_params
))
391 kwargs
.update(self
.make_vdu_server_security_args(vdu_params
, account
))
395 def _parse_vdu_mgmt_address_info(self
, vm_info
):
397 Get management_ip and public_ip for VDU
400 vm_info : A dictionary object return by novaclient library listing VM attributes
403 A tuple of mgmt_ip (string) and public_ip (string)
407 if 'addresses' in vm_info
:
408 for network_name
, network_info
in vm_info
['addresses'].items():
409 if network_info
and network_name
== self
.driver
.mgmt_network
:
410 for interface
in network_info
:
411 if 'OS-EXT-IPS:type' in interface
:
412 if interface
['OS-EXT-IPS:type'] == 'fixed':
413 mgmt_ip
= interface
['addr']
414 elif interface
['OS-EXT-IPS:type'] == 'floating':
415 public_ip
= interface
['addr']
416 return (mgmt_ip
, public_ip
)
418 def get_vdu_epa_info(self
, vm_info
):
420 Get flavor information (including EPA) for VDU
423 vm_info : A dictionary returned by novaclient library listing VM attributes
425 flavor_info: A dictionary object returned by novaclient library listing flavor attributes
427 if 'flavor' in vm_info
and 'id' in vm_info
['flavor']:
429 flavor_info
= self
.driver
.nova_flavor_get(vm_info
['flavor']['id'])
431 except Exception as e
:
432 self
.log
.exception("Exception %s occured during get-flavor", str(e
))
435 def _parse_vdu_cp_info(self
, vdu_id
):
437 Get connection point information for VDU identified by vdu_id
439 vdu_id (string) : VDU Id (vm_info['id'])
441 A List of object RwcalYang.VDUInfoParams_ConnectionPoints()
445 # Fill the port information
446 port_list
= self
.driver
.neutron_port_list(**{'device_id': vdu_id
})
447 for port
in port_list
:
448 cp_info
= self
.driver
.utils
.network
._parse
_cp
(port
)
449 cp
= RwcalYang
.VDUInfoParams_ConnectionPoints()
450 cp
.from_dict(cp_info
.as_dict())
454 def _parse_vdu_state_info(self
, vm_info
):
456 Get VDU state information
459 vm_info : A dictionary returned by novaclient library listing VM attributes
462 state (string): State of the VDU
464 if 'status' in vm_info
:
465 if vm_info
['status'] == 'ACTIVE':
467 elif vm_info
['status'] == 'ERROR':
470 vdu_state
= 'inactive'
472 vdu_state
= 'unknown'
475 def _parse_vdu_server_group_info(self
, vm_info
):
477 Get VDU server group information
479 vm_info : A dictionary returned by novaclient library listing VM attributes
482 server_group_name (string): Name of the server group to which VM belongs, else empty string
485 server_group
= [ v
['name']
486 for v
in self
.driver
.nova_server_group_list()
487 if vm_info
['id'] in v
['members'] ]
489 return server_group
[0]
493 def _parse_vdu_volume_info(self
, vm_info
):
495 Get VDU server group information
497 vm_info : A dictionary returned by novaclient library listing VM attributes
500 List of RwcalYang.VDUInfoParams_Volumes()
505 volume_list
= self
.driver
.nova_volume_list(vm_info
['id'])
506 except Exception as e
:
507 self
.log
.exception("Exception %s occured during nova-volume-list", str(e
))
510 for v
in volume_list
:
511 volume
= RwcalYang
.VDUInfoParams_Volumes()
513 volume
.name
= (v
['device']).split('/')[2]
514 volume
.volume_id
= v
['volumeId']
515 details
= self
.driver
.cinder_volume_get(volume
.volume_id
)
516 for k
, v
in details
.metadata
.items():
517 vd
= volume
.custom_meta_data
.add()
520 except Exception as e
:
521 self
.log
.exception("Exception %s occured during volume list parsing", str(e
))
524 volumes
.append(volume
)
527 def _parse_vdu_console_url(self
, vm_info
):
531 vm_info : A dictionary returned by novaclient library listing VM attributes
534 console_url(string): Console URL for VM
537 if self
._parse
_vdu
_state
_info
(vm_info
) == 'active':
539 serv_console_url
= self
.driver
.nova_server_console(vm_info
['id'])
540 if 'console' in serv_console_url
:
541 console_url
= serv_console_url
['console']['url']
543 self
.log
.error("Error fetching console url. This could be an Openstack issue. Console : " + str(serv_console_url
))
546 except Exception as e
:
547 self
.log
.exception("Exception %s occured during volume list parsing", str(e
))
550 def parse_cloud_vdu_info(self
, vm_info
):
552 Parse vm_info dictionary (return by python-client) and put values in GI object for VDU
555 vm_info : A dictionary object return by novaclient library listing VM attributes
558 Protobuf GI Object of type RwcalYang.VDUInfoParams()
560 vdu
= RwcalYang
.VDUInfoParams()
561 vdu
.name
= vm_info
['name']
562 vdu
.vdu_id
= vm_info
['id']
563 vdu
.cloud_type
= 'openstack'
565 if 'config_drive' in vm_info
:
566 vdu
.supplemental_boot_data
.boot_data_drive
= vm_info
['config_drive']
568 if 'image' in vm_info
and 'id' in vm_info
['image']:
569 vdu
.image_id
= vm_info
['image']['id']
571 if 'availability_zone' in vm_info
:
572 vdu
.availability_zone
= vm_info
['availability_zone']
574 vdu
.state
= self
._parse
_vdu
_state
_info
(vm_info
)
575 management_ip
,public_ip
= self
._parse
_vdu
_mgmt
_address
_info
(vm_info
)
578 vdu
.management_ip
= management_ip
581 vdu
.public_ip
= public_ip
583 if 'flavor' in vm_info
and 'id' in vm_info
['flavor']:
584 vdu
.flavor_id
= vm_info
['flavor']['id']
585 flavor_info
= self
.get_vdu_epa_info(vm_info
)
586 vm_flavor
= self
.driver
.utils
.flavor
.parse_vm_flavor_epa_info(flavor_info
)
587 guest_epa
= self
.driver
.utils
.flavor
.parse_guest_epa_info(flavor_info
)
588 host_epa
= self
.driver
.utils
.flavor
.parse_host_epa_info(flavor_info
)
589 host_aggregates
= self
.driver
.utils
.flavor
.parse_host_aggregate_epa_info(flavor_info
)
591 vdu
.vm_flavor
.from_dict(vm_flavor
.as_dict())
592 vdu
.guest_epa
.from_dict(guest_epa
.as_dict())
593 vdu
.host_epa
.from_dict(host_epa
.as_dict())
594 for aggr
in host_aggregates
:
595 ha
= vdu
.host_aggregate
.add()
596 ha
.from_dict(aggr
.as_dict())
598 cp_list
= self
._parse
_vdu
_cp
_info
(vdu
.vdu_id
)
600 vdu
.connection_points
.append(cp
)
602 vdu
.server_group
.name
= self
._parse
_vdu
_server
_group
_info
(vm_info
)
604 for v
in self
._parse
_vdu
_volume
_info
(vm_info
):
605 vdu
.volumes
.append(v
)
607 vdu
.console_url
= self
._parse
_vdu
_console
_url
(vm_info
)
611 def perform_vdu_network_cleanup(self
, vdu_id
):
613 This function cleans up networking resources related to VDU
615 vdu_id(string): VDU id
619 ### Get list of floating_ips associated with this instance and delete them
620 floating_ips
= [ f
for f
in self
.driver
.nova_floating_ip_list() if f
.instance_id
== vdu_id
]
621 for f
in floating_ips
:
622 self
.driver
.nova_floating_ip_delete(f
)
624 ### Get list of port on VM and delete them.
625 port_list
= self
.driver
.neutron_port_list(**{'device_id': vdu_id
})
627 for port
in port_list
:
628 if ((port
['device_owner'] == 'compute:None') or (port
['device_owner'] == '')):
629 self
.driver
.neutron_port_delete(port
['id'])