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# Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to You 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. import time from libcloud.common.gridscale import GridscaleBaseDriver from libcloud.common.gridscale import GridscaleConnection from libcloud.compute.base import NodeImage, NodeLocation, VolumeSnapshot, \ Node, StorageVolume, KeyPair, NodeState, StorageVolumeState, NodeDriver from libcloud.compute.providers import Provider from libcloud.utils.iso8601 import parse_date class GridscaleIp(object): """ Ip Object :param id: uuid :type id: ``str`` :param family: family of ip (v4 or v6) :type family: ``str`` :param prefix: prefix of ip :type prefix: ``str`` :param ip_address: Ip address :type ip_address: ``str`` :param create_time: Time ip was created :type create_time: ``str`` """ def __init__(self, id, family, prefix, create_time, address, extra=None): self.id = id self.family = family self.prefix = prefix self.create_time = create_time self.ip_address = address self.extra = extra or {} def __repr__(self): return ('Ip: id={}, family={}, prefix={}, create_time={}, ' 'ip_address={}' .format(self.id, self.family, self.prefix, self.create_time, self.ip_address)) class GridscaleNetwork(object): """ Network Object :param id: uuid :type id: ``str`` :param name: Name of Network :type name: ``str`` :param status: Network status :type status: ``str`` :param relations: object related to network :type relations: ``object`` :param create_time: Time Network was created :type create_time: ``str`` """ def __init__(self, id, name, status, create_time, relations): self.id = id self.name = name self.status = status self.create_time = create_time self.relations = relations def __repr__(self): return ('Network: id={}, name={}, status={}, create_time={}, ' 'relations={}'.format(self.id, self.name, self.status, self.create_time, self.relations)) class GridscaleNodeDriver(GridscaleBaseDriver, NodeDriver): """ create and entry in libcloud/compute/providers for gridscale """ connectionCls = GridscaleConnection type = Provider.GRIDSCALE name = 'Gridscale' api_name = 'gridscale' website = 'https://gridscale.io' features = {'create_node': ['ssh_key']} def __init__(self, user_id, key, **kwargs): super(GridscaleNodeDriver, self).__init__(user_id, key, **kwargs) def list_nodes(self): """ List all nodes. :return: List of node objects :rtype: ``list`` of :class:`.Node` """ result = self._sync_request(data=None, endpoint='objects/servers/') nodes = [] for key, value in self._get_response_dict(result).items(): node = self._to_node(value) nodes.append(node) return sorted(nodes, key=lambda sort: sort.created_at) def list_locations(self): """ List all available data centers. :return: List of node location objects :rtype: ``list`` of :class:`.NodeLocation` """ locations = [] result = self._sync_request(endpoint='objects/locations/') for key, value in self._get_response_dict(result).items(): location = self._to_location(value) locations.append(location) return sorted(locations, key=lambda nod: nod.id) def list_volumes(self): """ List all volumes. :return: List of StorageVolume object :rtype: ``list`` of :class:`.StorageVolume` """ volumes = [] result = self._sync_request(endpoint='objects/storages/') for key, value in self._get_response_dict(result).items(): volume = self._to_volume(value) volumes.append(volume) return sorted(volumes, key=lambda sort: sort.extra['create_time']) def ex_list_networks(self): """ List all networks. :return: List of objects. :rtype: ``list`` of :class:`.GridscaleNetwork` """ networks = [] result = self._sync_request(endpoint='objects/networks/') for key, value in self._get_response_dict(result).items(): network = self._to_network(value) networks.append(network) return sorted(networks, key=lambda sort: sort.create_time) def list_volume_snapshots(self, volume): """ Lists all snapshots for storage volume. :param volume: storage the snapshot is attached to :type volume: :class:`.StorageVolume` :return: Snapshots :rtype: ``list`` of :class:`.VolumeSnapshot` """ snapshots = [] result = self._sync_request( endpoint='objects/storages/' '{}/snapshots'.format(volume.id)) for key, value in self._get_response_dict(result).items(): snapshot = self._to_volume_snapshot(value) snapshots.append(snapshot) return sorted(snapshots, key=lambda snapshot: snapshot.created) def ex_list_ips(self): """ Lists all IPs available. :return: List of IP objects. :rtype: ``list`` of :class:`.GridscaleIp` """ ips = [] result = self._sync_request(endpoint='objects/ips/') for key, value in self._get_response_dict(result).items(): ip = self._to_ip(value) ips.append(ip) return ips def list_images(self): """ List images. :return: List of node image objects :rtype: ``list`` of :class:`.NodeImage` """ templates = [] result = self._sync_request(endpoint='objects/templates') for key, value in self._get_response_dict(result).items(): template = self._to_node_image(value) templates.append(template) return sorted(templates, key=lambda sort: sort.name) def create_node(self, name, size, image, location, ex_ssh_key_ids=None, **kwargs): """ Create a simple node with a name, cores, memory at the designated location. :param name: Name of the server. :type name: ``str`` :param size: Nodesize object. :type size: :class:`.NodeSize` :param image: OS image to attach to the storage. :type image: :class:`.GridscaleTemplate` :param location: The data center to create a node in. :type location: :class:`.NodeLocation` :keyword ex_ssh_key_ids: List of SSH key IDs to add to the server. :type ex_ssh_key_ids: ``list`` of ``str`` :return: The newly created Node. :rtype: :class:`.Node` """ if size.ram % 1024 != 0: raise Exception('Value not accepted. Use a multiple of 1024 e.g.' '1024, 2048, 3072...') data = { 'name': name, 'cores': size.extra['cores'], 'memory': int(size.ram / 1024), 'location_uuid': location.id } self.connection.async_request('objects/servers/', data=data, method='POST') node = self._to_node(self._get_resource('servers', self.connection .poll_response_initial .object['object_uuid'])) volume = self._create_volume_from_template(name=image.extra['ostype'], size=size.disk, location=location, template={ 'template_uuid': image.id, 'sshkeys': ex_ssh_key_ids}) ip = self.ex_create_ip(4, location, name + '_ip') self.attach_volume(node, volume) self.ex_link_ip_to_node(node, ip) self.ex_link_network_to_node(node, self.ex_list_networks()[0]) self.ex_start_node(node) return self._to_node(self._get_resource('servers', node.id)) def ex_create_ip(self, family, location, name): """ Create either an ip_v4 ip or a ip_v6. :param family: Defines if the ip is v4 or v6 with int 4 or int 6. :type family: ``int`` :param location: Defines which datacenter the created ip responds with. :type location: :class:`.NodeLocation` :param name: Name of your Ip. :type name: ``str`` :return: Ip :rtype: :class:`.GridscaleIp` """ self.connection.async_request( 'objects/ips/', data={ 'name': name, 'family': family, 'location_uuid': location.id}, method='POST') return self._to_ip(self._get_resource('ips', self.connection .poll_response_initial .object['object_uuid'])) def ex_create_networks(self, name, location): """ Create a network at the data center location. :param name: Name of the network. :type name: ``str`` :param location: Location. :type location: :class:`.NodeLocation` :return: Network. :rtype: :class:`.GridscaleNetwork` """ self.connection.async_request( 'objects/networks', data={ 'name': name, 'location_uuid': location.id}, method='POST') return self._to_network(self._get_resource('network', self.connection .poll_response_initial .object['object_uuid'])) def create_volume(self, size, name, location=None, snapshot=None): """ Create a new volume. :param size: Integer in GB. :type size: ``int`` :param name: Name of the volume. :type name: ``str`` :param location: The server location. :type location: :class:`.NodeLocation` :param snapshot: Snapshot from which to create the new volume. (optional) :type snapshot: :class:`.VolumeSnapshot` :return: Newly created StorageVolume. :rtype: :class:`.StorageVolume` """ return self._create_volume_from_template(size, name, location) def _create_volume_from_template(self, size, name, location=None, template=None): """ create Storage :param name: name of your Storage unit :type name: ``str`` :param size: Integer in GB. :type size: ``int`` :param location: your server location :type location: :class:`.NodeLocation` :param template: template to shape the storage capacity to :type template: ``dict`` :return: newly created StorageVolume :rtype: :class:`.GridscaleVolumeStorage` """ template = template self.connection.async_request( 'objects/storages/', data={ 'name': name, 'capacity': size, 'location_uuid': location.id, 'template': template}, method='POST') return self._to_volume(self._get_resource('storages', self.connection .poll_response_initial .object['object_uuid'])) def create_volume_snapshot(self, volume, name): """ Creates a snapshot of the current state of your volume, you can rollback to. :param volume: Volume you want to create a snapshot of. :type volume: :class:`.StorageVolume` :param name: Name of the snapshot. :type name: ``str`` :return: VolumeSnapshot. :rtype: :class:`.VolumeSnapshot` """ self.connection.async_request( 'objects/storages/{}/snapshots'.format(volume.id), data={ 'name': name}, method='POST') return self._to_volume_snapshot(self._get_resource( 'storages/{}/snapshots'.format(volume.id), self.connection .poll_response_initial.object['object_uuid'])) def create_image(self, node, name): """ Creates an image from a node object. :param node: Node to run the task on. :type node: :class:`.Node` :param name: Name for new image. :type name: ``str`` :return: NodeImage. :rtype: :class:`.NodeImage` """ storage_dict = node.extra['relations']['storages'][0] snapshot_uuid = '' if storage_dict['bootdevice'] is True: self.connection.async_request( 'objects/storages/{}/snapshots/' .format(storage_dict['object_uuid']), data={'name': name + '_snapshot'}, method='POST') snapshot_uuid = self.connection.poll_response_initial.object[ 'object_uuid'] self.connection.async_request( 'objects/templates/', data={ 'name': name, 'snapshot_uuid': snapshot_uuid}, method='POST') snapshot_dict = self._get_response_dict(self._sync_request( endpoint='objects/storages/{}/snapshots/{}' .format(storage_dict['object_uuid'], snapshot_uuid))) self.destroy_volume_snapshot( self._to_volume_snapshot(snapshot_dict)) return self._to_node_image(self._get_resource( 'templates', self.connection.poll_response_initial.object[ 'object_uuid'])) def destroy_node(self, node, ex_destroy_associated_resources=False): """ Destroy node. :param node: Node object. :type node: :class:`.Node` :param ex_destroy_associated_resources: True to destroy associated resources such as storage volumes and IPs. :type ex_destroy_associated_resources: ``bool`` :return: True if the destroy was successful, otherwise False. :rtype: ``bool`` """ if ex_destroy_associated_resources: associated_volumes = self.ex_list_volumes_for_node(node=node) associated_ips = self.ex_list_ips_for_node(node=node) # 1. Delete the server itself result = self._sync_request(endpoint='objects/servers/{}' .format(node.id), method='DELETE') # 2. Destroy associated resouces (if requested) if ex_destroy_associated_resources: for volume in associated_volumes: self.destroy_volume(volume=volume) for ip in associated_ips: self.ex_destroy_ip(ip=ip) return result.status == 204 def destroy_volume(self, volume): """ Delete volume. :param volume: Volume to be destroyed. :type volume: :class:`.StorageVolume` :return: True if the destroy was successful, otherwise False. :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/storages/{}' .format(volume.id), method='DELETE') return result.status == 204 def ex_destroy_ip(self, ip): """ Delete an ip. :param ip: IP object. :type ip: :class:`.GridscaleIp` :return: ``True`` if delete_image was successful, ``False`` otherwise. :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/ips/{}' .format(ip.id), method='DELETE') return result.status == 204 def destroy_volume_snapshot(self, snapshot): """ Destroy a snapshot. :param snapshot: The snapshot to delete. :type snapshot: :class:'.VolumeSnapshot` :return: True if the destroy was successful, otherwise False. :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/storages/' '{}/snapshots/{}/' .format(snapshot.extra['parent_uuid'], snapshot.id), method='DELETE') return result.status == 204 def ex_destroy_network(self, network): """ Delete network. :param network: Network object. :type network: :class:`.GridscaleNetwork` :return: ``True`` if destroyed successfully, otherwise ``False`` :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/networks/{}' .format(network.id), method='DELETE') return result.status == 204 def delete_image(self, node_image): """ Destroy an image. :param node_image: Node image object. :type node_image: :class:`.NodeImage` :return: True if the destroy was successful, otherwise False :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/templates/{}' .format(node_image.id), method='DELETE') return result.status == 204 def ex_rename_node(self, node, name): """ Modify node name. :param name: New node name. :type name: ``str`` :param node: Node :type node: :class:`.Node` :return: ``True`` or ``False`` :rtype: ``bool`` """ result = self._sync_request(data={'name': name}, endpoint='objects/servers/{}' .format(node.id), method='PATCH') return result.status == 204 def ex_rename_volume(self, volume, name): """ Modify storage volume name :param volume: Storage. :type volume: :class:.`StorageVolume` :param name: New storage name. :type name: ``str`` :return: ``True`` or ``False`` :rtype: ``bool`` """ result = self._sync_request(data={'name': name}, endpoint='objects/storages/{}' .format(volume.id), method='PATCH') return result.status == 204 def ex_rename_network(self, network, name): """ Modify networks name. :param network: Network. :type network: :class:`.GridscaleNetwork` :param name: New network name. :type name: ``str`` :return: ``True`` or ``False`` :rtype: ``bool`` """ result = self._sync_request(data={'name': name}, endpoint='objects/networks/{}' .format(network.id), method='PATCH') return result.status == 204 def reboot_node(self, node, ex_sleep_interval=3): """ Reboot a node. :param node: Node object. :type node: :class:`.Node` :return: True if the reboot was successful, otherwise False. :rtype: ``bool`` :keyword ex_sleep_interval: time to let the shutdown process finish :type ex_sleep_interval: ``int`` """ if node.extra['power'] is True: data = dict({'power': False}) self._sync_request(data=data, endpoint='objects/servers/{}/power' .format(node.id), method='PATCH') time.sleep(ex_sleep_interval) data = dict({'power': True}) self._sync_request(data=data, endpoint='objects/servers/{}/power' .format(node.id), method='PATCH') return True else: return False def import_key_pair_from_string(self, name, key_material): data = { 'name': name, 'sshkey': key_material } result = self._sync_request(endpoint='objects/sshkeys/', method='POST', data=data) key = self._to_key(result.object, name=name, sshkey=key_material) return key def list_key_pairs(self): """ List all the available key pair objects. :rtype: ``list``of :class:`.KeyPair` objects """ keys = [] result = self._sync_request(endpoint='objects/sshkeys/') for key, value in self._get_response_dict(result).items(): key = self._to_key(value) keys.append(key) return keys def get_image(self, image_id): """ Get an image based on an image_id. :param image_id: Image identifier. :type image_id: ``str`` :return: A NodeImage object. :rtype: :class:`.NodeImage` """ response_dict = self._get_response_dict(self._sync_request( endpoint='/objects/templates/{}'.format(image_id))) return self._to_node_image(response_dict) def start_node(self, node): result = self._sync_request(data={'power': True}, endpoint='objects/servers/{}/power' .format(node.id), method='PATCH') return result.status == 204 def ex_start_node(self, node): # NOTE: This method is here for backward compatibility reasons after # this method was promoted to be part of the standard compute API in # Libcloud v2.7.0 return self.start_node(node=node) def ex_link_isoimage_to_node(self, node, isoimage): """ link and isoimage to a node :param node: Node you want to link the iso image to :type node: ``object`` :param isoimage: isomiage you want to link :type isoimage: ``object`` :return: None -> success :rtype: ``None`` """ result = self._sync_request(data={'object_uuid': isoimage.id}, endpoint='objects/servers/{}/isoimages/' .format(node.id), method='POST') return result def attach_volume(self, node, volume): """ Attaches volume to node. :param node: Node to attach volume to. :type node: :class:`.Node` :param volume: Volume to attach. :type volume: :class:`.StorageVolume` :rytpe: ``bool`` """ result = self._sync_request(data={'object_uuid': volume.id}, endpoint='objects/servers/{}/storages/' .format(node.id), method='POST') return result.status == 204 def ex_link_network_to_node(self, node, network): """ Link a network to a node. :param node: Node object to link networks to. :type node: :class:`.Node` :param network: Network you want to link. :type network: :class:`.GridscaleNetwork` :return: ``True`` if linked sucessfully, otherwise ``False`` :rtype: ``bool`` """ result = self._sync_request(data={'object_uuid': network.id}, endpoint='objects/servers/{}/networks/' .format(node.id), method='POST') return result.status == 204 def ex_link_ip_to_node(self, node, ip): """ links a existing ip with a node :param node: node object :type node: ``object`` :param ip: ip object :type ip: ``object`` :return: Request ID :rtype: ``str`` """ result = self._sync_request(data={'object_uuid': ip.id}, endpoint='objects/servers/{}/ips/' .format(node.id), method='POST') return result def ex_unlink_isoimage_from_node(self, node, isoimage): """ unlink isoimages from server :param node: node you want to unlink the image from :type node: ``object`` :param isoimage: isoimage you want to unlink :type isoimage: ``object`` :return: None -> success :rtype: ``None`` """ result = self._sync_request(endpoint='objects/servers/{}/isoimages/{}' .format(node.id, isoimage.id), method='DELETE') return result def ex_unlink_ip_from_node(self, node, ip): """ unlink ips from server :param node: node you want to unlink the ip from :type node: ``object`` :param ip: the ip you want to unlink :type ip: ``object`` :return: None -> success :rtype: ``None`` """ result = self._sync_request(endpoint='objects/servers/{}/ips/{}' .format(node.id, ip.id), method='DELETE') return result def ex_unlink_network_from_node(self, node, network): """ Unlink network from node. :param node: Node you want to unlink from network. :type node: :class:`.Node` :param network: Network you want to unlink. :type network: :class:`.GridscaleNetwork :return: ``True`` if unlink was successful, otherwise ``False`` :rtype: ``bool`` """ result = self._sync_request(endpoint='objects/servers/{}/networks/{}' .format(node.id, network.id), method='DELETE') return result.status == 204 def detach_volume(self, volume): """ Detaches a volume from a node. :param volume: Volume to be detached :type volume: :class:`.StorageVolume` :rtype: ``bool`` """ node = volume.extra['relations']['servers'][0] result = self._sync_request(endpoint='objects/servers/{}/storages/{}' .format(node['object_uuid'], volume.id), method='DELETE') return result.status == 204 def ex_storage_rollback(self, volume, snapshot, rollback): """ initiate a rollback on your storage :param volume: storage uuid :type volume: ``string`` :param snapshot: snapshot uuid :type snapshot: ``string`` :param rollback: variable :type rollback: ``bool`` :return: RequestID :rtype: ``str`` """ result = self._sync_request(data={'rollback': rollback}, endpoint='objects/storages/{}/snapshots/' '{}/rollback' .format(volume.id, snapshot.id), method='PATCH') return result def ex_list_volumes_for_node(self, node): """ Return a list of associated volumes for the provided node. :rtype: ``list`` of :class:`StorageVolume` """ volumes = self.list_volumes() result = [] for volume in volumes: related_servers = volume.extra.get('relations', {}) \ .get('servers', []) for server in related_servers: if server['object_uuid'] == node.id: result.append(volume) return result def ex_list_ips_for_node(self, node): """ Return a list of associated IPs for the provided node. :rype: ``list`` of :class:`GridscaleIp` """ ips = self.ex_list_ips() result = [] for ip in ips: related_servers = ip.extra.get('relations', {}) \ .get('servers', []) for server in related_servers: # TODO: This is not consistent with volumes where key is # called "object_uuid" if server['server_uuid'] == node.id: result.append(ip) return result def _to_node(self, data): extra_keys = ['cores', 'power', 'memory', 'current_price', 'relations'] extra = self._extract_values_to_dict(data=data, keys=extra_keys) ips = [] for diction in data['relations']['public_ips']: ips.append(diction['ip']) state = '' if data['power'] is True: state = NodeState.RUNNING else: state = NodeState.STOPPED node = Node(id=data['object_uuid'], name=data['name'], state=state, public_ips=ips, created_at=parse_date(data['create_time']), private_ips=None, driver=self.connection.driver, extra=extra) return node def _to_volume(self, data): extra_keys = ['create_time', 'current_price', 'storage_type', 'relations'] extra = self._extract_values_to_dict(data=data, keys=extra_keys) storage = StorageVolume(id=data['object_uuid'], name=data['name'], size=data['capacity'], driver=self.connection.driver, extra=extra) return storage def _to_volume_snapshot(self, data): extra_keys = ['labels', 'status', 'usage_in_minutes', 'location_country', 'current_price', 'parent_uuid'] extra = self._extract_values_to_dict(data=data, keys=extra_keys) volume_snapshot = VolumeSnapshot(id=data['object_uuid'], driver=self.connection.driver, size=data['capacity'], extra=extra, created=parse_date( data['create_time']), state=StorageVolumeState.AVAILABLE, name=data['name']) return volume_snapshot def _to_location(self, data): location = NodeLocation(id=data['object_uuid'], name=data['name'], country=data['country'], driver=self.connection.driver, ) return location def _to_ip(self, data): extra_keys = ['create_time', 'current_price', 'name', 'relations', 'reverse_dns', 'status'] extra = self._extract_values_to_dict(data=data, keys=extra_keys) ip = GridscaleIp(id=data['object_uuid'], family=data['family'], prefix=data['prefix'], create_time=data['create_time'], address=data['ip'], extra=extra) return ip def _to_network(self, data): network = GridscaleNetwork(id=data['object_uuid'], name=data['name'], create_time=data['create_time'], status=data['status'], relations=data['relations']) return network def _to_node_image(self, data): extra_keys = ['capacity', 'create_time', 'labels', 'ostype', 'location_name', 'private', 'status', 'usage_in_minutes', 'version'] extra = self._extract_values_to_dict(data=data, keys=extra_keys) template = NodeImage(id=data['object_uuid'], name=data['name'], driver=self.connection.driver, extra=extra) return template def _to_key(self, data, name=None, sshkey=None): extra = { 'uuid': data['object_uuid'], 'labels': data.get('labels', []) } name = data.get('name', name) sshkey = data.get('sshkey', sshkey) key = KeyPair(name=name, fingerprint=data['object_uuid'], public_key=sshkey, private_key=None, extra=extra, driver=self.connection.driver) return key def _extract_values_to_dict(self, data, keys): """ Extract extra values to dict. :param data: dict to extract values from. :type data: ``dict`` :param keys: keys to extract :type keys: ``List`` :return: dictionary containing extra values :rtype: ``dict`` """ result = {} for key in keys: if key == 'memory': result[key] = data[key] * 1024 else: result[key] = data[key] return result def _get_response_dict(self, raw_response): """ Get the actual response dictionary. :param raw_response: Nested dictionary. :type raw_response: ``dict`` :return: Not-nested dictionary. :rtype: ``dict`` """ return list(raw_response.object.values())[0] def _get_resource(self, endpoint_suffix, object_uuid): """ Get specific uuid specific resource. :param endpoint_suffix: Endpoint resource e.g. servers/. :type endpoint_suffix: ``str`` :param object_uuid: Uuid of resource to be pulled. :type object_uuid: ``str`` :return: Response dictionary. :rtype: nested ``dict`` """ data = self._sync_request( endpoint='objects/{}/{}'.format(endpoint_suffix, object_uuid)) data = self._get_response_dict(data) return data