1 # Baris Metin <tmetin@sophia.inria.fr>
6 from PLC.Slices import Slices
7 from PLC.SliceTags import SliceTags, SliceTag
8 from PLC.TagTypes import TagTypes
9 from PLC.Nodes import Nodes
10 from PLC.Config import Config
11 from pyaspects.meta import MetaAspect
14 class BaseOMF(object):
17 self.config = Config("/etc/planetlab/plc_config")
20 # this was only for debugging, no need to log all method calls here -baris
21 # self.log = open("/var/log/omf/plc_slice_calls.log", "a")
25 def logit(self, call, args, kwargs, data, slice):
26 if not self.log: return
28 self.log.write("%s : args: %s kwargs: %s\n" % (call, args, kwargs))
29 self.log.write("data: %s\n" % data)
30 self.log.write("%s\n\n" % slice)
34 def get_slice(self, api, id_or_name):
37 slice_filter['slice_id'] = int(str(id_or_name))
40 slice_filter['name'] = id_or_name
41 slice = Slices(api, slice_filter = slice_filter)[0]
42 # don't bother to check for slice tags for the moment. we'll only
43 # create XMPP pubsub groups for all slices
45 # slice_tags = SliceTags(api, slice_tag_filter = { 'slice_id': slice['slice_id'] })
46 # omf_tag = [tag for tag in slice_tags if tag['name'] == 'omf']
47 # if omf_tag and omf_tag['value'] not in ('false','0','no'):
48 # # OK, slice has the "omf" tag set.
53 def get_node_hostname(self, api, node_id_or_hostname):
56 node_filter['node_id'] = int(str(node_id_or_hostname))
59 node_filter['hostname'] = node_id_or_hostname
62 node = Nodes(api, node_filter = node_filter)[0]
63 return node['hostname']
67 def get_slice_tags(self, api, slice_id):
68 return SliceTags(api, slice_tag_filter = {'slice_id': slice_id})
70 def get_tag_type(self, api, tagname):
72 tag = TagTypes(api, {'tagname':tagname})[0]
77 def create_slice(self, slice):
80 def add_resource(self, slice, resource):
83 def delete_slice(self, slice):
86 def delete_resource(self, slice, resource):
90 def before(self, wobj, data, *args, **kwargs):
91 api_method_name = wobj.name
92 slice_name_or_id = None
95 if api_method_name == "AddSlice":
96 slice_name_or_id = args[1]['name']
97 elif api_method_name == "AddSliceToNodes" or api_method_name == "DeleteSliceFromNodes":
98 slice_name_or_id = args[1]
100 elif api_method_name == "AddSliceTag":
101 slice_name_or_id = args[1]
102 elif api_method_name == "DeleteSlice":
103 slice_name_or_id = args[1]
104 else: # ignore the rest
105 #self.logit(wobj.name, args, kwargs, data, "SLICE")
109 self.slice = self.get_slice(wobj.api, slice_name_or_id)
111 self.logit(wobj.name, args, kwargs, data, slice)
114 def after(self, wobj, data, *args, **kwargs):
118 if data.has_key("method_return_value") and data['method_return_value'] == 1:
119 # return value 1 means that API call was successful, we can go on.
124 api_method_name = wobj.name
126 if api_method_name == "AddSlice":
127 self.create_slice(slice['name'])
128 elif api_method_name == "AddSliceToNodes":
129 for node_id in node_ids:
130 node_hostname = self.get_node_hostname(wobj.api, node_id)
131 self.add_resource(slice['name'], node_hostname)
132 elif api_method_name == "DeleteSlice":
133 self.delete_slice(slice['name'])
134 elif api_method_name == "DeleteSliceFromNodes":
135 for node_id in node_ids:
136 node_hostname = self.get_node_hostname(wobj.api, node_id)
137 self.delete_resource(slice['name'], node_hostname)
138 elif api_method_name == "AddSliceTag":
139 # OMF slices need to have dotsshmount vsys tag set to be
140 # able to access users' public keys.
141 tag_type_id_or_name = args[2]
142 omf_tag = self.get_tag_type(wobj.api, "omf_control")
143 vsys_tag = self.get_tag_type(wobj.api, "vsys")
144 if tag_type_id_or_name in (omf_tag['tagname'], omf_tag['tag_type_id']):
145 slice_tag = SliceTag(wobj.api)
146 slice_tag['slice_id'] = slice['slice_id']
147 slice_tag['tag_type_id'] = vsys_tag['tag_type_id']
148 slice_tag['value'] = u'dotsshmount'
151 self.logit(wobj.name, args, kwargs, data, slice)
155 class OMFAspect_xmlrpc(BaseOMF):
156 __metaclass__ = MetaAspect
157 name = "omfaspect_xmlrpc"
160 BaseOMF.__init__(self)
162 slicemgr_url = self.config.PLC_OMF_SLICEMGR_URL
163 self.server = xmlrpclib.ServerProxy(slicemgr_url, allow_none = 1)
165 def create_slice(self, slice):
166 self.server.createSlice(slice)
168 def add_resource(self, slice, resource):
169 self.server.addResource(slice, resource)
171 def delete_slice(self, slice):
172 self.server.deleteSlice(slice)
174 def delete_resource(self, slice, resource):
175 self.server.removeResource(slice, resource)
177 def before(self, wobj, data, *args, **kwargs):
178 BaseOMF.before(self, wobj, data, *args, **kwargs)
180 def after(self, wobj, data, *args, **kwargs):
181 BaseOMF.after(self, wobj, data, *args, **kwargs)
185 OMFAspect = OMFAspect_xmlrpc