249 lines
8.9 KiB
Python
249 lines
8.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 NEC Corporation. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# @author: Ryota MIBU
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import uuid
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from quantum.plugins.nec.common import ofc_client
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from quantum.plugins.nec import ofc_driver_base
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class TremaDriverBase(ofc_driver_base.OFCDriverBase):
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"""Common class for Trema (Sliceable Switch) Drivers"""
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networks_path = "/networks"
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network_path = "/networks/%s"
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def __init__(self, conf_ofc):
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# Trema sliceable REST API does not support HTTPS
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self.client = ofc_client.OFCClient(host=conf_ofc.host,
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port=conf_ofc.port)
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def create_tenant(self, description, tenant_id=None):
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return tenant_id or str(uuid.uuid4())
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def update_tenant(self, ofc_tenant_id, description):
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pass
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def delete_tenant(self, ofc_tenant_id):
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pass
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def create_network(self, ofc_tenant_id, description, network_id=None):
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ofc_network_id = network_id or str(uuid.uuid4())
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body = {'id': ofc_network_id, 'description': description}
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self.client.post(self.networks_path, body=body)
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return ofc_network_id
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def update_network(self, ofc_tenant_id, ofc_network_id, description):
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path = self.network_path % ofc_network_id
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body = {'description': description}
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return self.client.put(path, body=body)
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def delete_network(self, ofc_tenant_id, ofc_network_id):
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path = self.network_path % ofc_network_id
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return self.client.delete(path)
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def update_port(self, ofc_tenant_id, ofc_network_id, ofc_port_id,
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portinfo):
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self.delete_port(ofc_tenant_id, ofc_network_id, ofc_port_id)
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self.create_port(ofc_tenant_id, ofc_network_id, portinfo, ofc_port_id)
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class TremaFilterDriver(object):
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"""Trema (Sliceable Switch) PacketFilter Driver"""
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filters_path = "/filters"
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filter_path = "/filters/%s"
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@classmethod
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def filter_supported(cls):
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return True
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def create_filter(self, ofc_tenant_id, ofc_network_id, filter_dict,
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portinfo=None, filter_id=None):
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if filter_dict['action'].upper() in ["ACCEPT", "ALLOW"]:
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ofc_action = "ALLOW"
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elif filter_dict['action'].upper() in ["DROP", "DENY"]:
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ofc_action = "DENY"
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body = {'priority': filter_dict['priority'],
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'slice': ofc_network_id,
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'action': ofc_action}
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ofp_wildcards = ["dl_vlan", "dl_vlan_pcp", "nw_tos"]
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if portinfo:
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body['in_datapath_id'] = portinfo.datapath_id
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body['in_port'] = portinfo.port_no
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else:
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body['wildcards'] = "in_datapath_id"
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ofp_wildcards.append("in_port")
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if filter_dict['src_mac']:
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body['dl_src'] = filter_dict['src_mac']
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else:
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ofp_wildcards.append("dl_src")
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if filter_dict['dst_mac']:
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body['dl_dst'] = filter_dict['dst_mac']
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else:
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ofp_wildcards.append("dl_dst")
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if filter_dict['src_cidr']:
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body['nw_src'] = filter_dict['src_cidr']
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else:
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ofp_wildcards.append("nw_src:32")
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if filter_dict['dst_cidr']:
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body['nw_dst'] = filter_dict['dst_cidr']
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else:
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ofp_wildcards.append("nw_dst:32")
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if filter_dict['protocol']:
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if filter_dict['protocol'].upper() in "ICMP":
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body['dl_type'] = "0x800"
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body['nw_proto'] = hex(1)
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elif filter_dict['protocol'].upper() in "TCP":
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body['dl_type'] = "0x800"
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body['nw_proto'] = hex(6)
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elif filter_dict['protocol'].upper() in "UDP":
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body['dl_type'] = "0x800"
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body['nw_proto'] = hex(17)
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elif filter_dict['protocol'].upper() in "ARP":
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body['dl_type'] = "0x806"
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ofp_wildcards.append("nw_proto")
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else:
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body['nw_proto'] = filter_dict['protocol']
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if filter_dict['eth_type']:
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body['dl_type'] = filter_dict['eth_type']
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else:
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ofp_wildcards.append("dl_type")
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else:
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ofp_wildcards.append("dl_type")
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ofp_wildcards.append("nw_proto")
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if filter_dict['src_port']:
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body['tp_src'] = hex(filter_dict['src_port'])
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else:
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ofp_wildcards.append("tp_src")
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if filter_dict['dst_port']:
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body['tp_dst'] = hex(filter_dict['dst_port'])
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else:
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ofp_wildcards.append("tp_dst")
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ofc_filter_id = filter_id or str(uuid.uuid4())
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body['id'] = ofc_filter_id
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body['ofp_wildcards'] = ','.join(ofp_wildcards)
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self.client.post(self.filters_path, body=body)
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return ofc_filter_id
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def delete_filter(self, ofc_tenant_id, ofc_network_id, ofc_filter_id):
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path = self.filter_path % ofc_filter_id
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return self.client.delete(path)
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class TremaPortBaseDriver(TremaDriverBase, TremaFilterDriver):
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"""Trema (Sliceable Switch) Driver for port base binding
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TremaPortBaseDriver uses port base binding.
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Ports are identified by datapath_id, port_no and vlan_id.
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"""
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ports_path = "/networks/%s/ports"
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port_path = "/networks/%s/ports/%s"
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def create_port(self, ofc_tenant_id, ofc_network_id, portinfo,
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port_id=None):
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ofc_port_id = port_id or str(uuid.uuid4())
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path = self.ports_path % ofc_network_id
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body = {'id': ofc_port_id,
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'datapath_id': portinfo.datapath_id,
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'port': str(portinfo.port_no),
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'vid': str(portinfo.vlan_id)}
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self.client.post(path, body=body)
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return ofc_port_id
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def delete_port(self, ofc_tenant_id, ofc_network_id, ofc_port_id):
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path = self.port_path % (ofc_network_id, ofc_port_id)
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return self.client.delete(path)
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class TremaPortMACBaseDriver(TremaDriverBase, TremaFilterDriver):
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"""Trema (Sliceable Switch) Driver for port-mac base binding
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TremaPortBaseDriver uses port-mac base binding.
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Ports are identified by datapath_id, port_no, vlan_id and mac.
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"""
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ports_path = "/networks/%s/ports"
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port_path = "/networks/%s/ports/%s"
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attachments_path = "/networks/%s/ports/%s/attachments"
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attachment_path = "/networks/%s/ports/%s/attachments/%s"
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def create_port(self, ofc_tenant_id, ofc_network_id, portinfo,
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port_id=None):
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#NOTE: This Driver create slices with Port-MAC Based bindings on Trema
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# Sliceable. It's REST API requires Port Based binding before you
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# define Port-MAC Based binding.
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ofc_port_id = port_id or str(uuid.uuid4())
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dummy_port_id = "dummy-%s" % ofc_port_id
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path = self.ports_path % ofc_network_id
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body = {'id': dummy_port_id,
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'datapath_id': portinfo.datapath_id,
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'port': str(portinfo.port_no),
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'vid': str(portinfo.vlan_id)}
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self.client.post(path, body=body)
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path = self.attachments_path % (ofc_network_id, dummy_port_id)
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body = {'id': ofc_port_id, 'mac': portinfo.mac}
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self.client.post(path, body=body)
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path = self.port_path % (ofc_network_id, dummy_port_id)
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self.client.delete(path)
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return ofc_port_id
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def delete_port(self, ofc_tenant_id, ofc_network_id, ofc_port_id):
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dummy_port_id = "dummy-%s" % ofc_port_id
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path = self.attachment_path % (ofc_network_id, dummy_port_id,
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ofc_port_id)
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return self.client.delete(path)
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class TremaMACBaseDriver(TremaDriverBase):
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"""Trema (Sliceable Switch) Driver for mac base binding
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TremaPortBaseDriver uses mac base binding.
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Ports are identified by mac.
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"""
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attachments_path = "/networks/%s/attachments"
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attachment_path = "/networks/%s/attachments/%s"
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@classmethod
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def filter_supported(cls):
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return False
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def create_port(self, ofc_tenant_id, ofc_network_id, portinfo,
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port_id=None):
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ofc_port_id = port_id or str(uuid.uuid4())
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path = self.attachments_path % ofc_network_id
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body = {'id': ofc_port_id, 'mac': portinfo.mac}
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self.client.post(path, body=body)
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return ofc_port_id
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def delete_port(self, ofc_tenant_id, ofc_network_id, ofc_port_id):
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path = self.attachment_path % (ofc_network_id, ofc_port_id)
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return self.client.delete(path)
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