1 | #!/usr/local/bin/python |
---|
2 | |
---|
3 | import copy |
---|
4 | import topdl |
---|
5 | from datetime import datetime, timedelta |
---|
6 | from numbers import Number |
---|
7 | |
---|
8 | class federated_service: |
---|
9 | def __init__(self, name, exporter=None, importers=None, params=None, |
---|
10 | reqs=None, portal=None): |
---|
11 | self.name=name |
---|
12 | self.exporter=exporter |
---|
13 | if importers is None: self.importers = [] |
---|
14 | else: self.importers=importers |
---|
15 | if params is None: self.params = { } |
---|
16 | else: self.params = params |
---|
17 | if reqs is None: self.reqs = [] |
---|
18 | else: self.reqs = reqs |
---|
19 | |
---|
20 | if portal is not None: |
---|
21 | self.portal = portal |
---|
22 | else: |
---|
23 | self.portal = (name in federated_service.needs_portal) |
---|
24 | |
---|
25 | def to_topdl(self): |
---|
26 | return topdl.Service(name=self.name, importer=self.importers) |
---|
27 | |
---|
28 | def __str__(self): |
---|
29 | return "name %s export %s import %s params %s reqs %s" % \ |
---|
30 | (self.name, self.exporter, self.importers, self.params, |
---|
31 | [ (r['name'], r['visibility']) for r in self.reqs] ) |
---|
32 | |
---|
33 | needs_portal = ('SMB', 'seer', 'tmcd', 'project_export', 'seer_master') |
---|
34 | |
---|
35 | class allocation_info: |
---|
36 | """ |
---|
37 | An allocation identified by allocationID. It includes the local name |
---|
38 | of the testbed on which it was allocated and the uri on which to |
---|
39 | contact it. In addition, the proofs of access are included. |
---|
40 | """ |
---|
41 | def __init__(self, allocID, tb, uri, proof=None, services=None): |
---|
42 | self.allocID = allocID |
---|
43 | self.tb = tb |
---|
44 | self.uri = uri |
---|
45 | self.proof = proof |
---|
46 | if services is not None: self.services = services |
---|
47 | else: self.services = [ ] |
---|
48 | self.attrs = { } |
---|
49 | |
---|
50 | def set_attribute(self, a, v): |
---|
51 | a = a.lower() |
---|
52 | if a not in self.attrs: self.attrs[a] = v |
---|
53 | |
---|
54 | def get_attribute(self, a, default=None): |
---|
55 | a = a.lower() |
---|
56 | return self.attrs.get(a, default) |
---|
57 | |
---|
58 | class experiment_info: |
---|
59 | """ |
---|
60 | Information about an experiment in the eperiment controller. It includes |
---|
61 | the fedid and localnames, the identity the experiment acts as, current |
---|
62 | status, topology allocation logs and the allocations themselves. |
---|
63 | """ |
---|
64 | def __init__(self, fedid, localname, identity=None): |
---|
65 | self.fedid = fedid |
---|
66 | self.localname = localname |
---|
67 | self.identity = identity |
---|
68 | self.top = None |
---|
69 | self.status = 'empty' |
---|
70 | self.log = [] |
---|
71 | self.alloc = { } |
---|
72 | self.last_update = datetime.now() |
---|
73 | |
---|
74 | def add_allocation(self, a): |
---|
75 | self.alloc[a.tb] = a |
---|
76 | |
---|
77 | def get_allocation(self, tb): |
---|
78 | return self.alloc.get(tb,None) |
---|
79 | |
---|
80 | def get_all_allocations(self): |
---|
81 | return self.alloc.values() |
---|
82 | |
---|
83 | def updated(self): |
---|
84 | self.last_update = datetime.now() |
---|
85 | |
---|
86 | def older_than(self, secs=None, dt=None): |
---|
87 | """ |
---|
88 | If the last update of this info was more than secs seconds ago, or |
---|
89 | before dt (a datetime), return True. If both secs and dt or neither is |
---|
90 | given return False. If the last update time is completelt unknown |
---|
91 | (which should never happen) return True. |
---|
92 | """ |
---|
93 | if self.last_update is None: |
---|
94 | return True |
---|
95 | elif dt is None and isinstance(secs, Number): |
---|
96 | return self.last_update + timedelta(seconds=secs) < datetime.now() |
---|
97 | elif secs is None and isinstance(dt, datetime): |
---|
98 | return self.last_update < dt |
---|
99 | else: |
---|
100 | return False |
---|
101 | |
---|
102 | |
---|
103 | def get_info(self): |
---|
104 | """ |
---|
105 | Return the information as a dict suitable for a soap return value. |
---|
106 | This is an infoResponseType in fedd_types.xsd. |
---|
107 | """ |
---|
108 | # The state may be massaged by the service function that called |
---|
109 | # get_info (e.g., encoded for XMLRPC transport) so copy structured |
---|
110 | # fields. |
---|
111 | rv = { |
---|
112 | 'experimentID': [ |
---|
113 | { 'fedid': copy.deepcopy(self.fedid) }, |
---|
114 | {'localname': self.localname }, |
---|
115 | ], |
---|
116 | 'experimentStatus': self.status, |
---|
117 | } |
---|
118 | if self.log: |
---|
119 | rv['allocationLog'] = "".join(self.log) |
---|
120 | if self.identity is not None: |
---|
121 | rv['experimentAccess'] = {'X509': copy.deepcopy(self.identity)} |
---|
122 | if self.top is not None: |
---|
123 | rv['experimentdescription'] = \ |
---|
124 | { 'topdldescription': self.top.to_dict() } |
---|
125 | return rv |
---|
126 | |
---|