+++ /dev/null
-from sfa.util.faults import SfaInvalidArgument, InvalidRSpec
-from sfa.util.xrn import urn_to_hrn
-from sfa.util.method import Method
-from sfa.util.sfatablesRuntime import run_sfatables
-from sfa.trust.credential import Credential
-from sfa.storage.parameter import Parameter, Mixed
-from sfa.rspecs.rspec import RSpec
-
-class CreateSliver(Method):
- """
- Allocate resources to a slice. This operation is expected to
- start the allocated resources asynchornously after the operation
- has successfully completed. Callers can check on the status of
- the resources using SliverStatus.
-
- @param slice_urn (string) URN of slice to allocate to
- @param credentials ([string]) of credentials
- @param rspec (string) rspec to allocate
-
- """
- interfaces = ['aggregate', 'slicemgr']
- accepts = [
- Parameter(str, "Slice URN"),
- Mixed(Parameter(str, "Credential string"),
- Parameter(type([str]), "List of credentials")),
- Parameter(str, "RSpec"),
- Parameter(type([]), "List of user information"),
- Parameter(dict, "options"),
- ]
- returns = Parameter(str, "Allocated RSpec")
-
- def call(self, slice_xrn, creds, rspec, users, options):
- hrn, type = urn_to_hrn(slice_xrn)
-
- self.api.logger.info("interface: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, hrn, self.name))
-
- # Find the valid credentials
- valid_creds = self.api.auth.checkCredentials(creds, 'createsliver', hrn)
- origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
-
- # make sure users info is specified
- if not users:
- msg = "'users' must be specified and cannot be null. You may need to update your client."
- raise SfaInvalidArgument(name='users', extra=msg)
-
- # flter rspec through sfatables
- if self.api.interface in ['aggregate']:
- chain_name = 'INCOMING'
- elif self.api.interface in ['slicemgr']:
- chain_name = 'FORWARD-INCOMING'
- self.api.logger.debug("CreateSliver: sfatables on chain %s"%chain_name)
- rspec = run_sfatables(chain_name, hrn, origin_hrn, rspec)
- slivers = RSpec(rspec).version.get_nodes_with_slivers()
- if not slivers:
- raise InvalidRSpec("Missing <sliver_type> or <sliver> element. Request rspec must explicitly allocate slivers")
- result = self.api.manager.CreateSliver(self.api, slice_xrn, creds, rspec, users, options)
- return result