--- /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 / commitdiff