+++ /dev/null
-# -*- coding: utf-8 -*-
-
-##
-# Copyright 2019 ADLINK Technology Inc..
-# This file is part of ETSI OSM
-# All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-#
-#
-
-"""
-Eclipse fog05 connector, implements methods to interact with fog05 using REST Client + REST Proxy
-
-Manages LXD containers on x86_64 by default, currently missing EPA and VF/PF
-Support config dict:
- - arch : cpu architecture for the VIM
- - hypervisor: virtualization technology supported by the VIM, can
- can be one of: LXD, KVM, BARE, XEN, DOCKER, MCU
- the selected VIM need to have at least a node with support
- for the selected hypervisor
-
-"""
-__author__="Gabriele Baldoni"
-__date__ ="$13-may-2019 10:35:12$"
-
-import uuid
-import socket
-import struct
-import vimconn
-import random
-import yaml
-from functools import partial
-from fog05rest import FIMAPI
-from fog05rest import fimerrors
-
-
-class vimconnector(vimconn.vimconnector):
- def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None, log_level=None,
- config={}, persistent_info={}):
- """Constructor of VIM
- Params:
- 'uuid': id asigned to this VIM
- 'name': name assigned to this VIM, can be used for logging
- 'tenant_id', 'tenant_name': (only one of them is mandatory) VIM tenant to be used
- 'url_admin': (optional), url used for administrative tasks
- 'user', 'passwd': credentials of the VIM user
- 'log_level': provider if it should use a different log_level than the general one
- 'config': dictionary with extra VIM information. This contains a consolidate version of general VIM config
- at creation and particular VIM config at teh attachment
- 'persistent_info': dict where the class can store information that will be available among class
- destroy/creation cycles. This info is unique per VIM/credential. At first call it will contain an
- empty dict. Useful to store login/tokens information for speed up communication
-
- Returns: Raise an exception is some needed parameter is missing, but it must not do any connectivity
- check against the VIM
- """
-
- vimconn.vimconnector.__init__(self, uuid, name, tenant_id, tenant_name, url, url_admin, user, passwd, log_level,
- config, persistent_info)
-
- self.logger.debug('vimconn_fos init with config: {}'.format(config))
- self.arch = config.get('arch', 'x86_64')
- self.hv = config.get('hypervisor', 'LXD')
- self.nodes = config.get('nodes', [])
- self.fdu_node_map = {}
- self.fos_api = FIMAPI(locator=self.url)
-
-
- def __get_ip_range(self, first, count):
- int_first = struct.unpack('!L', socket.inet_aton(first))[0]
- int_last = int_first + count
- last = socket.inet_ntoa(struct.pack('!L', int_last))
- return (first, last)
-
- def __name_filter(self, desc, filter_name=None):
- if filter_name is None:
- return True
- return desc.get('name') == filter_name
-
- def __id_filter(self, desc, filter_id=None):
- if filter_id is None:
- return True
- return desc.get('uuid') == filter_id
-
- def __checksum_filter(self, desc, filter_checksum=None):
- if filter_checksum is None:
- return True
- return desc.get('checksum') == filter_checksum
-
- def check_vim_connectivity(self):
- """Checks VIM can be reached and user credentials are ok.
- Returns None if success or raised vimconnConnectionException, vimconnAuthException, ...
- """
- try:
- self.fos_api.check()
- return None
- except fimerrors.FIMAuthExcetpion as fae:
- raise vimconn.vimconnAuthException("Unable to authenticate to the VIM. Error {}".format(fae))
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
-
- def new_network(self, net_name, net_type, ip_profile=None, shared=False, vlan=None):
- """Adds a tenant network to VIM
- Params:
- 'net_name': name of the network
- 'net_type': one of:
- 'bridge': overlay isolated network
- 'data': underlay E-LAN network for Passthrough and SRIOV interfaces
- 'ptp': underlay E-LINE network for Passthrough and SRIOV interfaces.
- 'ip_profile': is a dict containing the IP parameters of the network
- 'ip_version': can be "IPv4" or "IPv6" (Currently only IPv4 is implemented)
- 'subnet_address': ip_prefix_schema, that is X.X.X.X/Y
- 'gateway_address': (Optional) ip_schema, that is X.X.X.X
- 'dns_address': (Optional) comma separated list of ip_schema, e.g. X.X.X.X[,X,X,X,X]
- 'dhcp_enabled': True or False
- 'dhcp_start_address': ip_schema, first IP to grant
- 'dhcp_count': number of IPs to grant.
- 'shared': if this network can be seen/use by other tenants/organization
- 'vlan': in case of a data or ptp net_type, the intended vlan tag to be used for the network
- Returns the network identifier on success or raises and exception on failure
- """
- self.logger.debug('new_network: {}'.format(locals()))
- if net_type in ['data','ptp']:
- raise vimconn.vimconnNotImplemented('{} type of network not supported'.format(net_type))
-
- net_uuid = '{}'.format(uuid.uuid4())
- desc = {
- 'uuid':net_uuid,
- 'name':net_name,
- 'net_type':'ELAN',
- 'is_mgmt':False
- }
-
- if ip_profile is not None:
- ip = {}
- if ip_profile.get('ip_version') == 'IPv4':
- ip_info = {}
- ip_range = self.__get_ip_range(ip_profile.get('dhcp_start_address'), ip_profile.get('dhcp_count'))
- dhcp_range = '{},{}'.format(ip_range[0],ip_range[1])
- ip.update({'subnet':ip_profile.get('subnet_address')})
- ip.update({'dns':ip_profile.get('dns', None)})
- ip.update({'dhcp_enable':ip_profile.get('dhcp_enabled', False)})
- ip.update({'dhcp_range': dhcp_range})
- ip.update({'gateway':ip_profile.get('gateway_address', None)})
- desc.update({'ip_configuration':ip_info})
- else:
- raise vimconn.vimconnNotImplemented('IPV6 network is not implemented at VIM')
- desc.update({'ip_configuration':ip})
- self.logger.debug('VIM new_network args: {} - Generated Eclipse fog05 Descriptor {}'.format(locals(), desc))
- try:
- self.fos_api.network.add_network(desc)
- except fimerrors.FIMAResouceExistingException as free:
- raise vimconn.vimconnConflictException("Network already exists at VIM. Error {}".format(free))
- except Exception as e:
- raise vimconn.vimconnException("Unable to create network {}. Error {}".format(net_name, e))
- # No way from the current rest service to get the actual error, most likely it will be an already existing error
- return net_uuid
-
- def get_network_list(self, filter_dict={}):
- """Obtain tenant networks of VIM
- Params:
- 'filter_dict' (optional) contains entries to return only networks that matches ALL entries:
- name: string => returns only networks with this name
- id: string => returns networks with this VIM id, this imply returns one network at most
- shared: boolean >= returns only networks that are (or are not) shared
- tenant_id: sting => returns only networks that belong to this tenant/project
- ,#(not used yet) admin_state_up: boolean => returns only networks that are (or are not) in admin state active
- #(not used yet) status: 'ACTIVE','ERROR',... => filter networks that are on this status
- Returns the network list of dictionaries. each dictionary contains:
- 'id': (mandatory) VIM network id
- 'name': (mandatory) VIM network name
- 'status': (mandatory) can be 'ACTIVE', 'INACTIVE', 'DOWN', 'BUILD', 'ERROR', 'VIM_ERROR', 'OTHER'
- 'network_type': (optional) can be 'vxlan', 'vlan' or 'flat'
- 'segmentation_id': (optional) in case network_type is vlan or vxlan this field contains the segmentation id
- 'error_msg': (optional) text that explains the ERROR status
- other VIM specific fields: (optional) whenever possible using the same naming of filter_dict param
- List can be empty if no network map the filter_dict. Raise an exception only upon VIM connectivity,
- authorization, or some other unspecific error
- """
- self.logger.debug('get_network_list: {}'.format(filter_dict))
- res = []
- try:
- nets = self.fos_api.network.list()
- except Exception as e:
- raise vimconn.vimconnConnectionException("Cannot get network list from VIM, connection error. Error {}".format(e))
-
- filters = [
- partial(self.__name_filter, filter_name=filter_dict.get('name')),
- partial(self.__id_filter,filter_id=filter_dict.get('id'))
- ]
-
- r1 = []
-
- for n in nets:
- match = True
- for f in filters:
- match = match and f(n)
- if match:
- r1.append(n)
-
- for n in r1:
- osm_net = {
- 'id':n.get('uuid'),
- 'name':n.get('name'),
- 'status':'ACTIVE'
- }
- res.append(osm_net)
- return res
-
- def get_network(self, net_id):
- """Obtain network details from the 'net_id' VIM network
- Return a dict that contains:
- 'id': (mandatory) VIM network id, that is, net_id
- 'name': (mandatory) VIM network name
- 'status': (mandatory) can be 'ACTIVE', 'INACTIVE', 'DOWN', 'BUILD', 'ERROR', 'VIM_ERROR', 'OTHER'
- 'error_msg': (optional) text that explains the ERROR status
- other VIM specific fields: (optional) whenever possible using the same naming of filter_dict param
- Raises an exception upon error or when network is not found
- """
- self.logger.debug('get_network: {}'.format(net_id))
- res = self.get_network_list(filter_dict={'id':net_id})
- if len(res) == 0:
- raise vimconn.vimconnNotFoundException("Network {} not found at VIM".format(net_id))
- return res[0]
-
- def delete_network(self, net_id):
- """Deletes a tenant network from VIM
- Returns the network identifier or raises an exception upon error or when network is not found
- """
- self.logger.debug('delete_network: {}'.format(net_id))
- try:
- self.fos_api.network.remove_network(net_id)
- except fimerrors.FIMNotFoundException as fnfe:
- raise vimconn.vimconnNotFoundException("Network {} not found at VIM (already deleted?). Error {}".format(net_id, fnfe))
- except Exception as e:
- raise vimconn.vimconnException("Cannot delete network {} from VIM. Error {}".format(net_id, e))
- return net_id
-
- def refresh_nets_status(self, net_list):
- """Get the status of the networks
- Params:
- 'net_list': a list with the VIM network id to be get the status
- Returns a dictionary with:
- 'net_id': #VIM id of this network
- status: #Mandatory. Text with one of:
- # DELETED (not found at vim)
- # VIM_ERROR (Cannot connect to VIM, authentication problems, VIM response error, ...)
- # OTHER (Vim reported other status not understood)
- # ERROR (VIM indicates an ERROR status)
- # ACTIVE, INACTIVE, DOWN (admin down),
- # BUILD (on building process)
- error_msg: #Text with VIM error message, if any. Or the VIM connection ERROR
- vim_info: #Text with plain information obtained from vim (yaml.safe_dump)
- 'net_id2': ...
- """
- self.logger.debug('Refeshing network status with args: {}'.format(locals()))
- r = {}
- for n in net_list:
- try:
- osm_n = self.get_network(n)
- r.update({
- osm_n.get('id'):{'status':osm_n.get('status')}
- })
- except vimconn.vimconnNotFoundException:
- r.update({
- n:{'status':'VIM_ERROR'}
- })
- return r
-
- def get_flavor(self, flavor_id):
- """Obtain flavor details from the VIM
- Returns the flavor dict details {'id':<>, 'name':<>, other vim specific }
- Raises an exception upon error or if not found
- """
- self.logger.debug('VIM get_flavor with args: {}'.format(locals()))
- try:
- r = self.fos_api.flavor.get(flavor_id)
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- if r is None:
- raise vimconn.vimconnNotFoundException("Flavor not found at VIM")
- return {'id':r.get('uuid'), 'name':r.get('name'), 'fos':r}
-
- def get_flavor_id_from_data(self, flavor_dict):
- """Obtain flavor id that match the flavor description
- Params:
- 'flavor_dict': dictionary that contains:
- 'disk': main hard disk in GB
- 'ram': meomry in MB
- 'vcpus': number of virtual cpus
- #TODO: complete parameters for EPA
- Returns the flavor_id or raises a vimconnNotFoundException
- """
- self.logger.debug('VIM get_flavor_id_from_data with args : {}'.format(locals()))
-
- try:
- flvs = self.fos_api.flavor.list()
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- r = [x.get('uuid') for x in flvs if (x.get('cpu_min_count') == flavor_dict.get('vcpus') and x.get('ram_size_mb') == flavor_dict.get('ram') and x.get('storage_size_gb') == flavor_dict.get('disk'))]
- if len(r) == 0:
- raise vimconn.vimconnNotFoundException ( "No flavor found" )
- return r[0]
-
- def new_flavor(self, flavor_data):
- """Adds a tenant flavor to VIM
- flavor_data contains a dictionary with information, keys:
- name: flavor name
- ram: memory (cloud type) in MBytes
- vpcus: cpus (cloud type)
- extended: EPA parameters
- - numas: #items requested in same NUMA
- memory: number of 1G huge pages memory
- paired-threads|cores|threads: number of paired hyperthreads, complete cores OR individual threads
- interfaces: # passthrough(PT) or SRIOV interfaces attached to this numa
- - name: interface name
- dedicated: yes|no|yes:sriov; for PT, SRIOV or only one SRIOV for the physical NIC
- bandwidth: X Gbps; requested guarantee bandwidth
- vpci: requested virtual PCI address
- disk: disk size
- is_public:
- #TODO to concrete
- Returns the flavor identifier"""
- self.logger.debug('VIM new_flavor with args: {}'.format(locals()))
- flv_id = '{}'.format(uuid.uuid4())
- desc = {
- 'uuid':flv_id,
- 'name':flavor_data.get('name'),
- 'cpu_arch': self.arch,
- 'cpu_min_count': flavor_data.get('vcpus'),
- 'cpu_min_freq': 0.0,
- 'ram_size_mb':float(flavor_data.get('ram')),
- 'storage_size_gb':float(flavor_data.get('disk'))
- }
- try:
- self.fos_api.flavor.add(desc)
- except fimerrors.FIMAResouceExistingException as free:
- raise vimconn.vimconnConflictException("Flavor {} already exist at VIM. Error {}".format(flv_id, free))
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- return flv_id
-
-
- def delete_flavor(self, flavor_id):
- """Deletes a tenant flavor from VIM identify by its id
- Returns the used id or raise an exception"""
- try:
- self.fos_api.flavor.remove(flavor_id)
- except fimerrors.FIMNotFoundException as fnfe:
- raise vimconn.vimconnNotFoundException("Flavor {} not found at VIM (already deleted?). Error {}".format(flavor_id, fnfe))
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- return flavor_id
-
- def new_image(self, image_dict):
- """ Adds a tenant image to VIM. imge_dict is a dictionary with:
- name: name
- disk_format: qcow2, vhd, vmdk, raw (by default), ...
- location: path or URI
- public: "yes" or "no"
- metadata: metadata of the image
- Returns the image id or raises an exception if failed
- """
- self.logger.debug('VIM new_image with args: {}'.format(locals()))
- img_id = '{}'.format(uuid.uuid4())
- desc = {
- 'name':image_dict.get('name'),
- 'uuid':img_id,
- 'uri':image_dict.get('location')
- }
- try:
- self.fos_api.image.add(desc)
- except fimerrors.FIMAResouceExistingException as free:
- raise vimconn.vimconnConflictException("Image {} already exist at VIM. Error {}".format(img_id, free))
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- return img_id
-
- def get_image_id_from_path(self, path):
-
- """Get the image id from image path in the VIM database.
- Returns the image_id or raises a vimconnNotFoundException
- """
- self.logger.debug('VIM get_image_id_from_path with args: {}'.format(locals()))
- try:
- imgs = self.fos_api.image.list()
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- res = [x.get('uuid') for x in imgs if x.get('uri')==path]
- if len(res) == 0:
- raise vimconn.vimconnNotFoundException("Image with this path was not found")
- return res[0]
-
- def get_image_list(self, filter_dict={}):
- """Obtain tenant images from VIM
- Filter_dict can be:
- name: image name
- id: image uuid
- checksum: image checksum
- location: image path
- Returns the image list of dictionaries:
- [{<the fields at Filter_dict plus some VIM specific>}, ...]
- List can be empty
- """
- self.logger.debug('VIM get_image_list args: {}'.format(locals()))
- r = []
- try:
- fimgs = self.fos_api.image.list()
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
-
- filters = [
- partial(self.__name_filter, filter_name=filter_dict.get('name')),
- partial(self.__id_filter,filter_id=filter_dict.get('id')),
- partial(self.__checksum_filter,filter_checksum=filter_dict.get('checksum'))
- ]
-
- r1 = []
-
- for i in fimgs:
- match = True
- for f in filters:
- match = match and f(i)
- if match:
- r1.append(i)
-
- for i in r1:
- img_info = {
- 'name':i.get('name'),
- 'id':i.get('uuid'),
- 'checksum':i.get('checksum'),
- 'location':i.get('uri'),
- 'fos':i
- }
- r.append(img_info)
- return r
- #raise vimconnNotImplemented( "Should have implemented this" )
-
- def new_vminstance(self, name, description, start, image_id, flavor_id, net_list, cloud_config=None, disk_list=None,
- availability_zone_index=None, availability_zone_list=None):
- """Adds a VM instance to VIM
- Params:
- 'start': (boolean) indicates if VM must start or created in pause mode.
- 'image_id','flavor_id': image and flavor VIM id to use for the VM
- 'net_list': list of interfaces, each one is a dictionary with:
- 'name': (optional) name for the interface.
- 'net_id': VIM network id where this interface must be connect to. Mandatory for type==virtual
- 'vpci': (optional) virtual vPCI address to assign at the VM. Can be ignored depending on VIM capabilities
- 'model': (optional and only have sense for type==virtual) interface model: virtio, e1000, ...
- 'mac_address': (optional) mac address to assign to this interface
- 'ip_address': (optional) IP address to assign to this interface
- #TODO: CHECK if an optional 'vlan' parameter is needed for VIMs when type if VF and net_id is not provided,
- the VLAN tag to be used. In case net_id is provided, the internal network vlan is used for tagging VF
- 'type': (mandatory) can be one of:
- 'virtual', in this case always connected to a network of type 'net_type=bridge'
- 'PCI-PASSTHROUGH' or 'PF' (passthrough): depending on VIM capabilities it can be connected to a data/ptp network ot it
- can created unconnected
- 'SR-IOV' or 'VF' (SRIOV with VLAN tag): same as PF for network connectivity.
- 'VFnotShared'(SRIOV without VLAN tag) same as PF for network connectivity. VF where no other VFs
- are allocated on the same physical NIC
- 'bw': (optional) only for PF/VF/VFnotShared. Minimal Bandwidth required for the interface in GBPS
- 'port_security': (optional) If False it must avoid any traffic filtering at this interface. If missing
- or True, it must apply the default VIM behaviour
- After execution the method will add the key:
- 'vim_id': must be filled/added by this method with the VIM identifier generated by the VIM for this
- interface. 'net_list' is modified
- 'cloud_config': (optional) dictionary with:
- 'key-pairs': (optional) list of strings with the public key to be inserted to the default user
- 'users': (optional) list of users to be inserted, each item is a dict with:
- 'name': (mandatory) user name,
- 'key-pairs': (optional) list of strings with the public key to be inserted to the user
- 'user-data': (optional) can be a string with the text script to be passed directly to cloud-init,
- or a list of strings, each one contains a script to be passed, usually with a MIMEmultipart file
- 'config-files': (optional). List of files to be transferred. Each item is a dict with:
- 'dest': (mandatory) string with the destination absolute path
- 'encoding': (optional, by default text). Can be one of:
- 'b64', 'base64', 'gz', 'gz+b64', 'gz+base64', 'gzip+b64', 'gzip+base64'
- 'content' (mandatory): string with the content of the file
- 'permissions': (optional) string with file permissions, typically octal notation '0644'
- 'owner': (optional) file owner, string with the format 'owner:group'
- 'boot-data-drive': boolean to indicate if user-data must be passed using a boot drive (hard disk)
- 'disk_list': (optional) list with additional disks to the VM. Each item is a dict with:
- 'image_id': (optional). VIM id of an existing image. If not provided an empty disk must be mounted
- 'size': (mandatory) string with the size of the disk in GB
- availability_zone_index: Index of availability_zone_list to use for this this VM. None if not AV required
- availability_zone_list: list of availability zones given by user in the VNFD descriptor. Ignore if
- availability_zone_index is None
- Returns a tuple with the instance identifier and created_items or raises an exception on error
- created_items can be None or a dictionary where this method can include key-values that will be passed to
- the method delete_vminstance and action_vminstance. Can be used to store created ports, volumes, etc.
- Format is vimconnector dependent, but do not use nested dictionaries and a value of None should be the same
- as not present.
- """
- self.logger.debug('new_vminstance with rgs: {}'.format(locals()))
- fdu_uuid = '{}'.format(uuid.uuid4())
-
- flv = self.fos_api.flavor.get(flavor_id)
- img = self.fos_api.image.get(image_id)
-
- if flv is None:
- raise vimconn.vimconnNotFoundException("Flavor {} not found at VIM".format(flavor_id))
- if img is None:
- raise vimconn.vimconnNotFoundException("Image {} not found at VIM".format(image_id))
-
- created_items = {
- 'fdu_id':'',
- 'node_id':'',
- 'connection_points':[]
- }
-
- fdu_desc = {
- 'name':name,
- 'uuid':fdu_uuid,
- 'computation_requirements':flv,
- 'image':img,
- 'hypervisor':self.hv,
- 'migration_kind':'LIVE',
- 'interfaces':[],
- 'io_ports':[],
- 'connection_points':[],
- 'depends_on':[]
- }
-
- nets = []
- cps = []
- intf_id = 0
- for n in net_list:
- cp_id = '{}'.format(uuid.uuid4())
- n.update({'vim_id':cp_id})
- pair_id = n.get('net_id')
-
- cp_d = {
- 'uuid':cp_id,
- 'pair_id':pair_id
- }
- intf_d = {
- 'name':n.get('name','eth{}'.format(intf_id)),
- 'is_mgmt':False,
- 'if_type':'INTERNAL',
- 'virtual_interface':{
- 'intf_type':n.get('model','VIRTIO'),
- 'vpci':n.get('vpci','0:0:0'),
- 'bandwidth':int(n.get('bw', 100))
- }
- }
- if n.get('mac_address', None) is not None:
- intf_d['mac_address'] = n['mac_address']
-
- created_items['connection_points'].append(cp_id)
- fdu_desc['connection_points'].append(cp_d)
- fdu_desc['interfaces'].append(intf_d)
-
- intf_id = intf_id + 1
-
- if cloud_config is not None:
- configuration = {
- 'conf_type':'CLOUD_INIT'
- }
- if cloud_config.get('user-data') is not None:
- configuration.update({'script':cloud_config.get('user-data')})
- if cloud_config.get('key-pairs') is not None:
- configuration.update({'ssh_keys':cloud_config.get('key-pairs')})
-
- if 'script' in configuration:
- fdu_desc.update({'configuration':configuration})
-
- ### NODE Selection ###
- # Infrastructure info
- # nodes dict with
- # uuid -> node uuid
- # computational capabilities -> cpu, ram, and disk available
- # hypervisors -> list of available hypervisors (eg. KVM, LXD, BARE)
- #
- #
-
- # UPDATING AVAILABLE INFRASTRUCTURE
-
- if len(self.nodes) == 0:
- nodes_id = self.fos_api.node.list()
- else:
- nodes_id = self.nodes
- nodes = []
- for n in nodes_id:
- n_info = self.fos_api.node.info(n)
- if n_info is None:
- continue
- n_plugs = []
- for p in self.fos_api.node.plugins(n):
- n_plugs.append(self.fos_api.plugin.info(n,p))
-
- n_cpu_number = len(n_info.get('cpu'))
- n_cpu_arch = n_info.get('cpu')[0].get('arch')
- n_cpu_freq = n_info.get('cpu')[0].get('frequency')
- n_ram = n_info.get('ram').get('size')
- n_disk_size = sorted(list(filter(lambda x: 'sda' in x['local_address'], n_info.get('disks'))), key= lambda k: k['dimension'])[-1].get('dimension')
-
- hvs = []
- for p in n_plugs:
- if p.get('type') == 'runtime':
- hvs.append(p.get('name'))
-
- ni = {
- 'uuid':n,
- 'computational_capabilities':{
- 'cpu_count':n_cpu_number,
- 'cpu_arch':n_cpu_arch,
- 'cpu_freq':n_cpu_freq,
- 'ram_size':n_ram,
- 'disk_size':n_disk_size
- },
- 'hypervisors':hvs
- }
- nodes.append(ni)
-
- # NODE SELECTION
- compatible_nodes = []
- for n in nodes:
- if fdu_desc.get('hypervisor') in n.get('hypervisors'):
- n_comp = n.get('computational_capabilities')
- f_comp = fdu_desc.get('computation_requirements')
- if f_comp.get('cpu_arch') == n_comp.get('cpu_arch'):
- if f_comp.get('cpu_min_count') <= n_comp.get('cpu_count') and f_comp.get('ram_size_mb') <= n_comp.get('ram_size'):
- if f_comp.get('disk_size_gb') <= n_comp.get('disk_size'):
- compatible_nodes.append(n)
-
- if len(compatible_nodes) == 0:
- raise vimconn.vimconnConflictException("No available nodes at VIM")
- selected_node = random.choice(compatible_nodes)
-
- created_items.update({'fdu_id':fdu_uuid, 'node_id': selected_node.get('uuid')})
-
- self.logger.debug('FOS Node {} FDU Descriptor: {}'.format(selected_node.get('uuid'), fdu_desc))
-
- try:
- self.fos_api.fdu.onboard(fdu_desc)
- instanceid = self.fos_api.fdu.instantiate(fdu_uuid, selected_node.get('uuid'))
- created_items.update({'instance_id':instanceid})
-
- self.fdu_node_map.update({instanceid: selected_node.get('uuid')})
- self.logger.debug('new_vminstance return: {}'.format((fdu_uuid, created_items)))
- return (instanceid, created_items)
- except fimerrors.FIMAResouceExistingException as free:
- raise vimconn.vimconnConflictException("VM already exists at VIM. Error {}".format(free))
- except Exception as e:
- raise vimconn.vimconnException("Error while instantiating VM {}. Error {}".format(name, e))
-
-
- def get_vminstance(self,vm_id):
- """Returns the VM instance information from VIM"""
- self.logger.debug('VIM get_vminstance with args: {}'.format(locals()))
-
- try:
- intsinfo = self.fos_api.fdu.instance_info(vm_id)
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
- if intsinfo is None:
- raise vimconn.vimconnNotFoundException('VM with id {} not found!'.format(vm_id))
- return intsinfo
-
-
- def delete_vminstance(self, vm_id, created_items=None):
- """
- Removes a VM instance from VIM and each associate elements
- :param vm_id: VIM identifier of the VM, provided by method new_vminstance
- :param created_items: dictionary with extra items to be deleted. provided by method new_vminstance and/or method
- action_vminstance
- :return: None or the same vm_id. Raises an exception on fail
- """
- self.logger.debug('FOS delete_vminstance with args: {}'.format(locals()))
- fduid = created_items.get('fdu_id')
- try:
- self.fos_api.fdu.terminate(vm_id)
- self.fos_api.fdu.offload(fduid)
- except Exception as e:
- raise vimconn.vimconnException("Error on deletting VM with id {}. Error {}".format(vm_id,e))
- return vm_id
-
- #raise vimconnNotImplemented( "Should have implemented this" )
-
- def refresh_vms_status(self, vm_list):
- """Get the status of the virtual machines and their interfaces/ports
- Params: the list of VM identifiers
- Returns a dictionary with:
- vm_id: #VIM id of this Virtual Machine
- status: #Mandatory. Text with one of:
- # DELETED (not found at vim)
- # VIM_ERROR (Cannot connect to VIM, VIM response error, ...)
- # OTHER (Vim reported other status not understood)
- # ERROR (VIM indicates an ERROR status)
- # ACTIVE, PAUSED, SUSPENDED, INACTIVE (not running),
- # BUILD (on building process), ERROR
- # ACTIVE:NoMgmtIP (Active but any of its interface has an IP address
- #
- error_msg: #Text with VIM error message, if any. Or the VIM connection ERROR
- vim_info: #Text with plain information obtained from vim (yaml.safe_dump)
- interfaces: list with interface info. Each item a dictionary with:
- vim_info: #Text with plain information obtained from vim (yaml.safe_dump)
- mac_address: #Text format XX:XX:XX:XX:XX:XX
- vim_net_id: #network id where this interface is connected, if provided at creation
- vim_interface_id: #interface/port VIM id
- ip_address: #null, or text with IPv4, IPv6 address
- compute_node: #identification of compute node where PF,VF interface is allocated
- pci: #PCI address of the NIC that hosts the PF,VF
- vlan: #physical VLAN used for VF
- """
- self.logger.debug('FOS refresh_vms_status with args: {}'.format(locals()))
- fos2osm_status = {
- 'DEFINE':'OTHER',
- 'CONFIGURE':'INACTIVE',
- 'RUN':'ACTIVE',
- 'PAUSE':'PAUSED',
- 'ERROR':'ERROR'
- }
-
- r = {}
-
- for vm in vm_list:
- self.logger.debug('FOS refresh_vms_status for {}'.format(vm))
-
- info = {}
- nid = self.fdu_node_map.get(vm)
- if nid is None:
- r.update({vm:{
- 'status':'VIM_ERROR',
- 'error_msg':'Not compute node associated for VM'
- }})
- continue
-
- try:
- vm_info = self.fos_api.fdu.instance_info(vm)
- except:
- r.update({vm:{
- 'status':'VIM_ERROR',
- 'error_msg':'unable to connect to VIM'
- }})
- continue
-
- if vm_info is None:
- r.update({vm:{'status':'DELETED'}})
- continue
-
-
- desc = self.fos_api.fdu.info(vm_info['fdu_uuid'])
- osm_status = fos2osm_status.get(vm_info.get('status'))
-
- self.logger.debug('FOS status info {}'.format(vm_info))
- self.logger.debug('FOS status is {} <-> OSM Status {}'.format(vm_info.get('status'), osm_status))
- info.update({'status':osm_status})
- if vm_info.get('status') == 'ERROR':
- info.update({'error_msg':vm_info.get('error_code')})
- info.update({'vim_info':yaml.safe_dump(vm_info)})
- faces = []
- i = 0
- for intf_name in vm_info.get('hypervisor_info').get('network',[]):
- intf_info = vm_info.get('hypervisor_info').get('network').get(intf_name)
- face = {}
- face['compute_node'] = nid
- face['vim_info'] = yaml.safe_dump(intf_info)
- face['mac_address'] = intf_info.get('hwaddr')
- addrs = []
- for a in intf_info.get('addresses'):
- addrs.append(a.get('address'))
- if len(addrs) >= 0:
- face['ip_address'] = ','.join(addrs)
- else:
- face['ip_address'] = ''
- face['pci'] = '0:0:0.0'
- # getting net id by CP
- try:
- cp_info = vm_info.get('connection_points')[i]
- except IndexError:
- cp_info = None
- if cp_info is not None:
- cp_id = cp_info['cp_uuid']
- cps_d = desc['connection_points']
- matches = [x for x in cps_d if x['uuid'] == cp_id]
- if len(matches) > 0:
- cpd = matches[0]
- face['vim_net_id'] = cpd.get('pair_id','')
- else:
- face['vim_net_id'] = ''
- face['vim_interface_id'] = cp_id
- # cp_info.get('uuid')
- else:
- face['vim_net_id'] = ''
- face['vim_interface_id'] = intf_name
- faces.append(face)
- i += 1
-
-
-
- info.update({'interfaces':faces})
- r.update({vm:info})
- self.logger.debug('FOS refresh_vms_status res for {} is {}'.format(vm, info))
- self.logger.debug('FOS refresh_vms_status res is {}'.format(r))
- return r
-
-
- #raise vimconnNotImplemented( "Should have implemented this" )
-
- def action_vminstance(self, vm_id, action_dict, created_items={}):
- """
- Send and action over a VM instance. Returns created_items if the action was successfully sent to the VIM.
- created_items is a dictionary with items that
- :param vm_id: VIM identifier of the VM, provided by method new_vminstance
- :param action_dict: dictionary with the action to perform
- :param created_items: provided by method new_vminstance is a dictionary with key-values that will be passed to
- the method delete_vminstance. Can be used to store created ports, volumes, etc. Format is vimconnector
- dependent, but do not use nested dictionaries and a value of None should be the same as not present. This
- method can modify this value
- :return: None, or a console dict
- """
- self.logger.debug('VIM action_vminstance with args: {}'.format(locals()))
- nid = self.fdu_node_map.get(vm_id)
- if nid is None:
- raise vimconn.vimconnNotFoundException('No node for this VM')
- try:
- fdu_info = self.fos_api.fdu.instance_info(vm_id)
- if "start" in action_dict:
- if fdu_info.get('status') == 'CONFIGURE':
- self.fos_api.fdu.start(vm_id)
- elif fdu_info.get('status') == 'PAUSE':
- self.fos_api.fdu.resume(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot start from this state")
- elif "pause" in action_dict:
- if fdu_info.get('status') == 'RUN':
- self.fos_api.fdu.pause(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot pause from this state")
- elif "resume" in action_dict:
- if fdu_info.get('status') == 'PAUSE':
- self.fos_api.fdu.resume(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot resume from this state")
- elif "shutoff" in action_dict or "shutdown" or "forceOff" in action_dict:
- if fdu_info.get('status') == 'RUN':
- self.fos_api.fdu.stop(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot shutoff from this state")
- elif "terminate" in action_dict:
- if fdu_info.get('status') == 'RUN':
- self.fos_api.fdu.stop(vm_id)
- self.fos_api.fdu.clean(vm_id)
- self.fos_api.fdu.undefine(vm_id)
- # self.fos_api.fdu.offload(vm_id)
- elif fdu_info.get('status') == 'CONFIGURE':
- self.fos_api.fdu.clean(vm_id)
- self.fos_api.fdu.undefine(vm_id)
- # self.fos_api.fdu.offload(vm_id)
- elif fdu_info.get('status') == 'PAUSE':
- self.fos_api.fdu.resume(vm_id)
- self.fos_api.fdu.stop(vm_id)
- self.fos_api.fdu.clean(vm_id)
- self.fos_api.fdu.undefine(vm_id)
- # self.fos_api.fdu.offload(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot terminate from this state")
- elif "rebuild" in action_dict:
- raise vimconnNotImplemented("Rebuild not implememnted")
- elif "reboot" in action_dict:
- if fdu_info.get('status') == 'RUN':
- self.fos_api.fdu.stop(vm_id)
- self.fos_api.fdu.start(vm_id)
- else:
- raise vimconn.vimconnConflictException("Cannot reboot from this state")
- except Exception as e:
- raise vimconn.vimconnConnectionException("VIM not reachable. Error {}".format(e))
projects / osm / RO.git / blobdiff