Source code for libcloud.compute.drivers.vcl

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VCL driver

import time

from libcloud.common.base import ConnectionUserAndKey
from libcloud.common.xmlrpc import XMLRPCResponse, XMLRPCConnection
from libcloud.common.types import InvalidCredsError, LibcloudError
from libcloud.compute.types import Provider, NodeState
from libcloud.compute.base import NodeDriver, Node
from libcloud.compute.base import NodeSize, NodeImage

[docs]class VCLResponse(XMLRPCResponse): exceptions = { 'VCL_Account': InvalidCredsError, }
[docs]class VCLConnection(XMLRPCConnection, ConnectionUserAndKey): endpoint = '/index.php?mode=xmlrpccall'
[docs] def add_default_headers(self, headers): headers['X-APIVERSION'] = '2' headers['X-User'] = self.user_id headers['X-Pass'] = self.key return headers
[docs]class VCLNodeDriver(NodeDriver): """ VCL node driver :keyword host: The VCL host to which you make requests(required) :type host: ``str`` """ NODE_STATE_MAP = { 'ready': NodeState.RUNNING, 'failed': NodeState.TERMINATED, 'timedout': NodeState.TERMINATED, 'loading': NodeState.PENDING, 'time': NodeState.PENDING, 'future': NodeState.PENDING, 'error': NodeState.UNKNOWN, 'notready': NodeState.PENDING, 'notavailable': NodeState.TERMINATED, 'success': NodeState.PENDING } connectionCls = VCLConnection name = 'VCL' website = '' type = Provider.VCL def __init__(self, key, secret, secure=True, host=None, port=None, *args, **kwargs): """ :param key: API key or username to used (required) :type key: ``str`` :param secret: Secret password to be used (required) :type secret: ``str`` :param secure: Whether to use HTTPS or HTTP. :type secure: ``bool`` :param host: Override hostname used for connections. (required) :type host: ``str`` :param port: Override port used for connections. :type port: ``int`` :rtype: ``None`` """ if not host: raise Exception('When instantiating VCL driver directly ' + 'you also need to provide host') super(VCLNodeDriver, self).__init__(key, secret, secure=True, host=None, port=None, *args, **kwargs) def _vcl_request(self, method, *args): res = self.connection.request( method, *args ).object if(res['status'] == 'error'): raise LibcloudError(res['errormsg'], driver=self) return res
[docs] def create_node(self, **kwargs): """Create a new VCL reservation size and name ignored, image is the id from list_image @inherits: :class:`NodeDriver.create_node` :keyword image: image is the id from list_image :type image: ``str`` :keyword start: start time as unix timestamp :type start: ``str`` :keyword length: length of time in minutes :type length: ``str`` """ image = kwargs["image"] start = kwargs.get('start', int(time.time())) length = kwargs.get('length', '60') res = self._vcl_request( "XMLRPCaddRequest",, start, length ) return Node( id=res['requestid'],, state=self.NODE_STATE_MAP[res['status']], public_ips=[], private_ips=[], driver=self, )
[docs] def destroy_node(self, node): """ End VCL reservation for the node passed in. Throws error if request fails. :param node: The node to be destroyed :type node: :class:`Node` :rtype: ``bool`` """ try: self._vcl_request( 'XMLRPCendRequest', ) except LibcloudError: return False return True
def _to_image(self, img): return NodeImage( id=img['id'], name=img['name'], driver=self.connection.driver )
[docs] def list_images(self, location=None): """ List images available to the user provided credentials @inherits: :class:`NodeDriver.list_images` """ res = self.connection.request( "XMLRPCgetImages" ).object return [self._to_image(i) for i in res]
[docs] def list_sizes(self, location=None): """ VCL does not choosing sizes for node creation. Size of images are statically set by administrators. @inherits: :class:`NodeDriver.list_sizes` """ return [NodeSize( 't1.micro', 'none', '512', 0, 0, 0, self) ]
def _to_connect_data(self, request_id, ipaddr): res = self._vcl_request( "XMLRPCgetRequestConnectData", request_id, ipaddr ) return res def _to_status(self, requestid, imagename, ipaddr): res = self._vcl_request( "XMLRPCgetRequestStatus", requestid ) public_ips = [] extra = [] if(res['status'] == 'ready'): cdata = self._to_connect_data(requestid, ipaddr) public_ips = [cdata['serverIP']] extra = { 'user': cdata['user'], 'pass': cdata['password'] } return Node( id=requestid, name=imagename, state=self.NODE_STATE_MAP[res['status']], public_ips=public_ips, private_ips=[], driver=self, image=imagename, extra=extra ) def _to_nodes(self, res, ipaddr): return [self._to_status( h['requestid'], h['imagename'], ipaddr ) for h in res]
[docs] def list_nodes(self, ipaddr): """ List nodes :param ipaddr: IP address which should be used :type ipaddr: ``str`` :rtype: ``list`` of :class:`Node` """ res = self._vcl_request( "XMLRPCgetRequestIds" ) return self._to_nodes(res['requests'], ipaddr)
[docs] def ex_update_node_access(self, node, ipaddr): """ Update the remote ip accessing the node. :param node: the reservation node to update :type node: :class:`Node` :param ipaddr: the ipaddr used to access the node :type ipaddr: ``str`` :return: node with updated information :rtype: :class:`Node` """ return self._to_status(, node.image, ipaddr)
[docs] def ex_extend_request_time(self, node, minutes): """ Time in minutes to extend the requested node's reservation time :param node: the reservation node to update :type node: :class:`Node` :param minutes: the number of mintes to update :type minutes: ``str`` :return: true on success, throws error on failure :rtype: ``bool`` """ return self._vcl_request( "XMLRPCextendRequest",, minutes )
[docs] def ex_get_request_end_time(self, node): """ Get the ending time of the node reservation. :param node: the reservation node to update :type node: :class:`Node` :return: unix timestamp :rtype: ``int`` """ res = self._vcl_request( "XMLRPCgetRequestIds" ) time = 0 for i in res['requests']: if i['requestid'] == time = i['end'] return time