130 lines
4.1 KiB
Python
130 lines
4.1 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from libcloud.compute.base import NodeDriver, Node
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from libcloud.compute.base import NodeState
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from libcloud.common.base import ConnectionKey, JsonResponse
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from libcloud.compute.types import Provider
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from libcloud.common.types import InvalidCredsError
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class GridspotAPIException(Exception):
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def __str__(self):
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# pylint: disable=unsubscriptable-object
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return self.args[0]
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def __repr__(self):
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# pylint: disable=unsubscriptable-object
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return "<GridspotAPIException '%s'>" % (self.args[0])
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class GridspotResponse(JsonResponse):
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"""
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Response class for Gridspot
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"""
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def parse_body(self):
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body = super(GridspotResponse, self).parse_body()
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if 'exception_name' in body and body['exception_name']:
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raise GridspotAPIException(body['exception_name'])
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return body
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def parse_error(self):
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# Gridspot 404s on invalid api key or instance_id
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raise InvalidCredsError("Invalid api key/instance_id")
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class GridspotConnection(ConnectionKey):
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"""
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Connection class to connect to Gridspot's API servers
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"""
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host = 'gridspot.com'
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responseCls = GridspotResponse
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def add_default_params(self, params):
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params['api_key'] = self.key
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return params
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class GridspotNodeDriver(NodeDriver):
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"""
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Gridspot (http://www.gridspot.com/) node driver.
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"""
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type = Provider.GRIDSPOT
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name = 'Gridspot'
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website = 'http://www.gridspot.com/'
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connectionCls = GridspotConnection
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NODE_STATE_MAP = {
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'Running': NodeState.RUNNING,
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'Starting': NodeState.PENDING
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}
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def list_nodes(self):
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data = self.connection.request(
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'/compute_api/v1/list_instances').object
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return [self._to_node(n) for n in data['instances']]
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def destroy_node(self, node):
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data = {'instance_id': node.id}
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self.connection.request('/compute_api/v1/stop_instance', data).object
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return True
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def _get_node_state(self, state):
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result = self.NODE_STATE_MAP.get(state, NodeState.UNKNOWN)
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return result
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def _add_int_param(self, params, data, field):
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if data[field]:
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try:
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params[field] = int(data[field])
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except Exception:
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pass
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def _to_node(self, data):
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port = None
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ip = None
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state = self._get_node_state(data['current_state'])
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if data['vm_ssh_wan_ip_endpoint'] != 'null':
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parts = data['vm_ssh_wan_ip_endpoint'].split(':')
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ip = parts[0]
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port = int(parts[1])
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extra_params = {
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'winning_bid_id': data['winning_bid_id'],
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'port': port
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}
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# Spec is vague and doesn't indicate if these will always be present
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self._add_int_param(extra_params, data, 'vm_num_logical_cores')
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self._add_int_param(extra_params, data, 'vm_num_physical_cores')
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self._add_int_param(extra_params, data, 'vm_ram')
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self._add_int_param(extra_params, data, 'start_state_time')
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self._add_int_param(extra_params, data, 'ended_state_time')
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self._add_int_param(extra_params, data, 'running_state_time')
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return Node(
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id=data['instance_id'],
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name=data['instance_id'],
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state=state,
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public_ips=[ip],
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private_ips=[],
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driver=self.connection.driver,
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extra=extra_params)
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