Python RSpec.validate方法代码示例

# 需要导入模块: from sfa.rspecs.rspec import RSpec [as 别名]
# 或者: from sfa.rspecs.rspec.RSpec import validate [as 别名]
def CreateSliver(api, xrn, creds, rspec_str, users, call_id):

    version_manager = VersionManager()
    def _CreateSliver(aggregate, server, xrn, credential, rspec, users, call_id):
        tStart = time.time()
        try:
            # Need to call GetVersion at an aggregate to determine the supported
            # rspec type/format beofre calling CreateSliver at an Aggregate.
            server_version = api.get_cached_server_version(server)
            requested_users = users
            if 'sfa' not in server_version and 'geni_api' in server_version:
                # sfa aggregtes support both sfa and pg rspecs, no need to convert
                # if aggregate supports sfa rspecs. otherwise convert to pg rspec
                rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request'))
                filter = {'component_manager_id': server_version['urn']}
                rspec.filter(filter)
                rspec = rspec.toxml()
                requested_users = sfa_to_pg_users_arg(users)
            args = [xrn, credential, rspec, requested_users]
            if _call_id_supported(api, server):
                args.append(call_id)
            rspec = server.CreateSliver(*args)
            return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
        except: 
            logger.log_exc('Something wrong in _CreateSliver with URL %s'%server.url)
            return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception"}

    if Callids().already_handled(call_id): return ""
    # Validate the RSpec against PlanetLab's schema --disabled for now
    # The schema used here needs to aggregate the PL and VINI schemas
    # schema = "/var/www/html/schemas/pl.rng"
    rspec = RSpec(rspec_str)
    schema = None
    if schema:
        rspec.validate(schema)

    # if there is a <statistics> section, the aggregates don't care about it,
    # so delete it.
    drop_slicemgr_stats(rspec)

    # attempt to use delegated credential first
    cred = api.getDelegatedCredential(creds)
    if not cred:
        cred = api.getCredential()

    # get the callers hrn
    hrn, type = urn_to_hrn(xrn)
    valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0]
    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
    threads = ThreadManager()
    for aggregate in api.aggregates:
        # prevent infinite loop. Dont send request back to caller
        # unless the caller is the aggregate's SM 
        if caller_hrn == aggregate and aggregate != api.hrn:
            continue
        interface = api.aggregates[aggregate]
        server = api.get_server(interface, cred)
        # Just send entire RSpec to each aggregate
        threads.run(_CreateSliver, aggregate, server, xrn, [cred], rspec.toxml(), users, call_id)
            
    results = threads.get_results()
    manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest')
    result_rspec = RSpec(version=manifest_version)
    for result in results:
        add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"])
        if result["status"]=="success":
            try:
                result_rspec.version.merge(result["rspec"])
            except:
                api.logger.log_exc("SM.CreateSliver: Failed to merge aggregate rspec")
    return result_rspec.toxml()