[29d5f7c] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import copy |
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[6bedbdba] | 4 | from deter import topdl |
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[6e33086] | 5 | from datetime import datetime, timedelta |
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| 6 | from numbers import Number |
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[29d5f7c] | 7 | |
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[ab3d6c5] | 8 | class federated_service: |
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| 9 | def __init__(self, name, exporter=None, importers=None, params=None, |
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| 10 | reqs=None, portal=None): |
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| 11 | self.name=name |
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| 12 | self.exporter=exporter |
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| 13 | if importers is None: self.importers = [] |
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| 14 | else: self.importers=importers |
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| 15 | if params is None: self.params = { } |
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| 16 | else: self.params = params |
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| 17 | if reqs is None: self.reqs = [] |
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| 18 | else: self.reqs = reqs |
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| 19 | |
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| 20 | if portal is not None: |
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| 21 | self.portal = portal |
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| 22 | else: |
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| 23 | self.portal = (name in federated_service.needs_portal) |
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| 24 | |
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| 25 | def to_topdl(self): |
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| 26 | return topdl.Service(name=self.name, importer=self.importers) |
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| 27 | |
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| 28 | def __str__(self): |
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| 29 | return "name %s export %s import %s params %s reqs %s" % \ |
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| 30 | (self.name, self.exporter, self.importers, self.params, |
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| 31 | [ (r['name'], r['visibility']) for r in self.reqs] ) |
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| 32 | |
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| 33 | needs_portal = ('SMB', 'seer', 'tmcd', 'project_export', 'seer_master') |
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| 34 | |
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[29d5f7c] | 35 | class allocation_info: |
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| 36 | """ |
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| 37 | An allocation identified by allocationID. It includes the local name |
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| 38 | of the testbed on which it was allocated and the uri on which to |
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| 39 | contact it. In addition, the proofs of access are included. |
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| 40 | """ |
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[ab3d6c5] | 41 | def __init__(self, allocID, tb, uri, proof=None, services=None): |
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[29d5f7c] | 42 | self.allocID = allocID |
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| 43 | self.tb = tb |
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| 44 | self.uri = uri |
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| 45 | self.proof = proof |
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[ab3d6c5] | 46 | if services is not None: self.services = services |
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| 47 | else: self.services = [ ] |
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[9294673] | 48 | self.attrs = { } |
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| 49 | |
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| 50 | def set_attribute(self, a, v): |
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| 51 | a = a.lower() |
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| 52 | if a not in self.attrs: self.attrs[a] = v |
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| 53 | |
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| 54 | def get_attribute(self, a, default=None): |
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| 55 | a = a.lower() |
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| 56 | return self.attrs.get(a, default) |
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[29d5f7c] | 57 | |
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| 58 | class experiment_info: |
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| 59 | """ |
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| 60 | Information about an experiment in the eperiment controller. It includes |
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| 61 | the fedid and localnames, the identity the experiment acts as, current |
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| 62 | status, topology allocation logs and the allocations themselves. |
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| 63 | """ |
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| 64 | def __init__(self, fedid, localname, identity=None): |
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| 65 | self.fedid = fedid |
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| 66 | self.localname = localname |
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| 67 | self.identity = identity |
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| 68 | self.top = None |
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| 69 | self.status = 'empty' |
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| 70 | self.log = [] |
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| 71 | self.alloc = { } |
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[6e33086] | 72 | self.last_update = datetime.now() |
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[29d5f7c] | 73 | |
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| 74 | def add_allocation(self, a): |
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| 75 | self.alloc[a.tb] = a |
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| 76 | |
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| 77 | def get_allocation(self, tb): |
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| 78 | return self.alloc.get(tb,None) |
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| 79 | |
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| 80 | def get_all_allocations(self): |
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| 81 | return self.alloc.values() |
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| 82 | |
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[6e33086] | 83 | def updated(self): |
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| 84 | self.last_update = datetime.now() |
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| 85 | |
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| 86 | def older_than(self, secs=None, dt=None): |
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| 87 | """ |
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| 88 | If the last update of this info was more than secs seconds ago, or |
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| 89 | before dt (a datetime), return True. If both secs and dt or neither is |
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| 90 | given return False. If the last update time is completelt unknown |
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| 91 | (which should never happen) return True. |
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| 92 | """ |
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| 93 | if self.last_update is None: |
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| 94 | return True |
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| 95 | elif dt is None and isinstance(secs, Number): |
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| 96 | return self.last_update + timedelta(seconds=secs) < datetime.now() |
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| 97 | elif secs is None and isinstance(dt, datetime): |
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| 98 | return self.last_update < dt |
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| 99 | else: |
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| 100 | return False |
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| 101 | |
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| 102 | |
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[29d5f7c] | 103 | def get_info(self): |
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| 104 | """ |
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| 105 | Return the information as a dict suitable for a soap return value. |
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| 106 | This is an infoResponseType in fedd_types.xsd. |
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| 107 | """ |
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| 108 | # The state may be massaged by the service function that called |
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| 109 | # get_info (e.g., encoded for XMLRPC transport) so copy structured |
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| 110 | # fields. |
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| 111 | rv = { |
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| 112 | 'experimentID': [ |
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| 113 | { 'fedid': copy.deepcopy(self.fedid) }, |
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| 114 | {'localname': self.localname }, |
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| 115 | ], |
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| 116 | 'experimentStatus': self.status, |
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| 117 | } |
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| 118 | if self.log: |
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| 119 | rv['allocationLog'] = "".join(self.log) |
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| 120 | if self.identity is not None: |
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| 121 | rv['experimentAccess'] = {'X509': copy.deepcopy(self.identity)} |
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| 122 | if self.top is not None: |
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| 123 | rv['experimentdescription'] = \ |
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| 124 | { 'topdldescription': self.top.to_dict() } |
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| 125 | return rv |
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| 126 | |
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