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
42 slice = Slices(api, slice_filter = slice_filter)[0]
46 # don't bother to check for slice tags for the moment. we'll only
47 # create XMPP pubsub groups for all slices
49 # slice_tags = SliceTags(api, slice_tag_filter = { 'slice_id': slice['slice_id'] })
50 # omf_tag = [tag for tag in slice_tags if tag['name'] == 'omf']
51 # if omf_tag and omf_tag['value'] not in ('false','0','no'):
52 # # OK, slice has the "omf" tag set.
56 def get_node_hostname(self, api, node_id_or_hostname):
59 node_filter['node_id'] = int(str(node_id_or_hostname))
62 node_filter['hostname'] = node_id_or_hostname
65 node = Nodes(api, node_filter = node_filter)[0]
66 return node['hostname']
70 def get_slice_tags(self, api, slice_id):
71 return SliceTags(api, slice_tag_filter = {'slice_id': slice_id})
73 def get_tag_type(self, api, tagname):
75 tag = TagTypes(api, {'tagname':tagname})[0]
80 def create_slice(self, slice):
83 def add_resource(self, slice, resource):
86 def delete_slice(self, slice):
89 def delete_resource(self, slice, resource):
93 def before(self, wobj, data, *args, **kwargs):
94 api_method_name = wobj.name
95 slice_name_or_id = None
97 if api_method_name == "AddSlice":
98 slice_name_or_id = args[1]['name']
99 elif api_method_name == "AddSliceToNodes" or api_method_name == "DeleteSliceFromNodes":
100 slice_name_or_id = args[1]
101 elif api_method_name == "AddSliceTag":
102 slice_name_or_id = args[1]
103 elif api_method_name == "DeleteSlice":
104 slice_name_or_id = args[1]
105 else: # ignore the rest
106 #self.logit(wobj.name, args, kwargs, data, "SLICE")
110 self.slice = self.get_slice(wobj.api, slice_name_or_id)
112 self.logit(wobj.name, args, kwargs, data, slice)
115 def after(self, wobj, data, *args, **kwargs):
116 api_method_name = wobj.name
119 if api_method_name == "AddSlice":
120 slice_name = args[1]['name']
121 self.slice = self.get_slice(wobj.api, slice_name)
126 if data.has_key("method_return_value"):
127 ret_val = data['method_return_value']
129 if api_method_name == "AddSlice" and ret_val > 0:
130 self.create_slice(self.slice['name'])
132 elif api_method_name == "AddSliceToNodes" and ret_val == 1:
134 for node_id in node_ids:
135 node_hostname = self.get_node_hostname(wobj.api, node_id)
136 self.add_resource(self.slice['name'], node_hostname)
138 elif api_method_name == "DeleteSlice" and ret_val == 1:
139 self.delete_slice(self.slice['name'])
141 elif api_method_name == "DeleteSliceFromNodes" and ret_val == 1:
143 for node_id in node_ids:
144 node_hostname = self.get_node_hostname(wobj.api, node_id)
145 self.delete_resource(self.slice['name'], node_hostname)
147 elif api_method_name == "AddSliceTag":
148 # OMF slices need to have dotsshmount vsys tag set to be
149 # able to access users' public keys.
150 tag_type_id_or_name = args[2]
151 omf_tag = self.get_tag_type(wobj.api, "omf_control")
152 vsys_tag = self.get_tag_type(wobj.api, "vsys")
153 if tag_type_id_or_name in (omf_tag['tagname'], omf_tag['tag_type_id']):
154 slice_tag = SliceTag(wobj.api)
155 slice_tag['slice_id'] = self.slice['slice_id']
156 slice_tag['tag_type_id'] = vsys_tag['tag_type_id']
157 slice_tag['value'] = u'dotsshmount'
160 self.logit(wobj.name, args, kwargs, data, self.slice)
164 class OMFAspect_xmlrpc(BaseOMF):
165 __metaclass__ = MetaAspect
166 name = "omfaspect_xmlrpc"
169 BaseOMF.__init__(self)
171 slicemgr_url = self.config.PLC_OMF_SLICEMGR_URL
172 self.server = xmlrpclib.ServerProxy(slicemgr_url, allow_none = 1)
174 def create_slice(self, slice):
175 self.server.createSlice(slice)
177 def add_resource(self, slice, resource):
178 self.server.addResource(slice, resource)
180 def delete_slice(self, slice):
181 self.server.deleteSlice(slice)
183 def delete_resource(self, slice, resource):
184 self.server.removeResource(slice, resource)
186 def before(self, wobj, data, *args, **kwargs):
187 BaseOMF.before(self, wobj, data, *args, **kwargs)
189 def after(self, wobj, data, *args, **kwargs):
190 BaseOMF.after(self, wobj, data, *args, **kwargs)
194 OMFAspect = OMFAspect_xmlrpc