Merge Master in geni-v3 conflict resolution
[sfa.git] / sfa / openstack / nova_driver.py
index 7a84c2e..e0afd07 100644 (file)
@@ -2,7 +2,7 @@ import time
 import datetime
 
 from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \
-    RecordNotFound, SfaNotImplemented, SfaInvalidArgument
+    RecordNotFound, SfaNotImplemented, SfaInvalidArgument, UnsupportedOperation
 
 from sfa.util.sfalogging import logger
 from sfa.util.defaultdict import defaultdict
@@ -13,9 +13,10 @@ from sfa.util.cache import Cache
 from sfa.trust.credential import Credential
 # used to be used in get_ticket
 #from sfa.trust.sfaticket import SfaTicket
-
 from sfa.rspecs.version_manager import VersionManager
 from sfa.rspecs.rspec import RSpec
+from sfa.storage.alchemy import dbsession
+from sfa.storage.model import RegRecord, SliverAllocation
 
 # the driver interface, mostly provides default behaviours
 from sfa.managers.driver import Driver
@@ -48,6 +49,41 @@ class NovaDriver(Driver):
             if NovaDriver.cache is None:
                 NovaDriver.cache = Cache()
             self.cache = NovaDriver.cache
+
+    def sliver_to_slice_xrn(self, xrn):
+        sliver_id_parts = Xrn(xrn).get_sliver_id_parts()
+        slice = self.shell.auth_manager.tenants.find(id=sliver_id_parts[0])
+        if not slice:
+            raise Forbidden("Unable to locate slice record for sliver:  %s" % xrn)
+        slice_xrn = OSXrn(name=slice.name, type='slice')
+        return slice_xrn
+
+    def check_sliver_credentials(self, creds, urns):
+        # build list of cred object hrns
+        slice_cred_names = []
+        for cred in creds:
+            slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn()
+            slice_cred_names.append(OSXrn(xrn=slice_cred_hrn).get_slicename())
+
+        # look up slice name of slivers listed in urns arg
+        slice_ids = []
+        for urn in urns:
+            sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts()
+            slice_ids.append(sliver_id_parts[0])
+
+        if not slice_ids:
+             raise Forbidden("sliver urn not provided")
+
+        sliver_names = []
+        for slice_id in slice_ids:
+            slice = self.shell.auth_manager.tenants.find(slice_id) 
+            sliver_names.append(slice['name'])
+
+        # make sure we have a credential for every specified sliver ierd
+        for sliver_name in sliver_names:
+            if sliver_name not in slice_cred_names:
+                msg = "Valid credential not found for target: %s" % sliver_name
+                raise Forbidden(msg)
  
     ########################################
     ########## registry oriented
@@ -319,21 +355,23 @@ class NovaDriver(Driver):
         return {}
 
     # first 2 args are None in case of resource discovery
-    def list_resources (self, version, options):
+    def list_resources (self, version=None, options={}):
         aggregate = OSAggregate(self)
         rspec =  aggregate.list_resources(version=version, options=options)
         return rspec
 
-    def describe(self, urns, version, options):
+    def describe(self, urns, version=None, options={}):
         aggregate = OSAggregate(self)
         return aggregate.describe(urns, version=version, options=options)
     
     def status (self, urns, options={}):
         aggregate = OSAggregate(self)
         desc =  aggregate.describe(urns)
-        return desc['geni_slivers']
+        status = {'geni_urn': desc['geni_urn'],
+                  'geni_slivers': desc['geni_slivers']}
+        return status
 
-    def allocate (self, urn, rspec_string, options):
+    def allocate (self, urn, rspec_string, expiration, options={}):
         xrn = Xrn(urn) 
         aggregate = OSAggregate(self)
 
@@ -353,99 +391,92 @@ class NovaDriver(Driver):
         rspec = RSpec(rspec_string)
         instance_name = hrn_to_os_slicename(slice_hrn)
         tenant_name = OSXrn(xrn=slice_hrn, type='slice').get_tenant_name()
-        aggregate.run_instances(instance_name, tenant_name, rspec_string, key_name, pubkeys)    
+        slivers = aggregate.run_instances(instance_name, tenant_name, \
+                                          rspec_string, key_name, pubkeys)
+        
+        # update all sliver allocation states setting then to geni_allocated    
+        sliver_ids = [sliver.id for sliver in slivers]
+        SliverAllocation.set_allocations(sliver_ids, 'geni_allocated')
    
-        return aggregate.describe(slice_xrn=slice_urn, version=rspec.version)
+        return aggregate.describe(urns=[urn], version=rspec.version)
 
-    def provision(self, urns, version, options):
+    def provision(self, urns, options={}):
+        # update sliver allocation states and set them to geni_provisioned
         aggregate = OSAggregate(self)
-        return aggregate.describe(urns, version=version, options=options) 
-
-    def delete (self, urns, options):
+        instances = aggregate.get_instances(urns)
+        sliver_ids = []
+        for instance in instances:
+            sliver_hrn = "%s.%s" % (self.driver.hrn, instance.id)
+            sliver_ids.append(Xrn(sliver_hrn, type='sliver').urn)
+        SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned') 
+        version_manager = VersionManager()
+        rspec_version = version_manager.get_version(options['geni_rspec_version'])
+        return self.describe(urns, rspec_version, options=options) 
+
+    def delete (self, urns, options={}):
+        # collect sliver ids so we can update sliver allocation states after
+        # we remove the slivers.
         aggregate = OSAggregate(self)
-        for urn in urns:
-            xrn = OSXrn(xrn=urn, type='slice')
-            tenant_name = xrn.get_tenant_name()
-            project_name = xrn.get_slicename()
-            id = xrn.id
-            aggregate.delete_instance(tenant_name, project_name, id)   
-        return 1
-
-    def renew (self, urns, expiration_time, options):
-        return True
-
-    def perform_operational_action  (self, urns, action, options):
-        tenant_name = OSXrn(xrn=slice_hrn, type='slice').get_tenant_name()
-        name = OSXrn(xrn=slice_urn).name
+        instances = aggregate.get_instances(urns)
+        sliver_ids = []
+        for instance in instances:
+            sliver_hrn = "%s.%s" % (self.driver.hrn, instance.id)
+            sliver_ids.append(Xrn(sliver_hrn, type='sliver').urn)
+            
+            # delete the instance
+            aggregate.delete_instance(instance)
+            
+        # delete sliver allocation states
+        SliverAllocation.delete_allocations(sliver_ids)
+
+        # return geni_slivers
+        geni_slivers = []
+        for sliver_id in sliver_ids:
+            geni_slivers.append(
+                {'geni_sliver_urn': sliver['sliver_id'],
+                 'geni_allocation_status': 'geni_unallocated',
+                 'geni_expires': None})        
+        return geni_slivers
+
+    def renew (self, urns, expiration_time, options={}):
+        description = self.describe(urns, None, options)
+        return description['geni_slivers']
+
+    def perform_operational_action  (self, urns, action, options={}):
         aggregate = OSAggregate(self)
-        return aggregate.stop_instances(name, tenant_name) 
-
-    # xxx this code is quite old and has not run for ages
-    # it is obviously totally broken and needs a rewrite
-    def get_ticket (self, slice_urn, slice_hrn, creds, rspec_string, options):
-        raise SfaNotImplemented,"OpenStackDriver.get_ticket needs a rewrite"
-# please keep this code for future reference
-#        slices = PlSlices(self)
-#        peer = slices.get_peer(slice_hrn)
-#        sfa_peer = slices.get_sfa_peer(slice_hrn)
-#    
-#        # get the slice record
-#        credential = api.getCredential()
-#        interface = api.registries[api.hrn]
-#        registry = api.server_proxy(interface, credential)
-#        records = registry.Resolve(xrn, credential)
-#    
-#        # make sure we get a local slice record
-#        record = None
-#        for tmp_record in records:
-#            if tmp_record['type'] == 'slice' and \
-#               not tmp_record['peer_authority']:
-#    #Error (E0602, GetTicket): Undefined variable 'SliceRecord'
-#                slice_record = SliceRecord(dict=tmp_record)
-#        if not record:
-#            raise RecordNotFound(slice_hrn)
-#        
-#        # similar to CreateSliver, we must verify that the required records exist
-#        # at this aggregate before we can issue a ticket
-#        # parse rspec
-#        rspec = RSpec(rspec_string)
-#        requested_attributes = rspec.version.get_slice_attributes()
-#    
-#        # ensure site record exists
-#        site = slices.verify_site(slice_hrn, slice_record, peer, sfa_peer)
-#        # ensure slice record exists
-#        slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer)
-#        # ensure person records exists
-#    # xxx users is undefined in this context
-#        persons = slices.verify_persons(slice_hrn, slice, users, peer, sfa_peer)
-#        # ensure slice attributes exists
-#        slices.verify_slice_attributes(slice, requested_attributes)
-#        
-#        # get sliver info
-#        slivers = slices.get_slivers(slice_hrn)
-#    
-#        if not slivers:
-#            raise SliverDoesNotExist(slice_hrn)
-#    
-#        # get initscripts
-#        initscripts = []
-#        data = {
-#            'timestamp': int(time.time()),
-#            'initscripts': initscripts,
-#            'slivers': slivers
-#        }
-#    
-#        # create the ticket
-#        object_gid = record.get_gid_object()
-#        new_ticket = SfaTicket(subject = object_gid.get_subject())
-#        new_ticket.set_gid_caller(api.auth.client_gid)
-#        new_ticket.set_gid_object(object_gid)
-#        new_ticket.set_issuer(key=api.key, subject=self.hrn)
-#        new_ticket.set_pubkey(object_gid.get_pubkey())
-#        new_ticket.set_attributes(data)
-#        new_ticket.set_rspec(rspec)
-#        #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
-#        new_ticket.encode()
-#        new_ticket.sign()
-#    
-#        return new_ticket.save_to_string(save_parents=True)
+        action = action.lower() 
+        if action == 'geni_start':
+            action_method = aggregate.start_instances
+        elif action == 'geni_stop':
+            action_method = aggregate.stop_instances
+        elif action == 'geni_restart':
+            action_method = aggreate.restart_instances
+        else:
+            raise UnsupportedOperation(action)
+
+         # fault if sliver is not full allocated (operational status is geni_pending_allocation)
+        description = self.describe(urns, None, options)
+        for sliver in description['geni_slivers']:
+            if sliver['geni_operational_status'] == 'geni_pending_allocation':
+                raise UnsupportedOperation(action, "Sliver must be fully allocated (operational status is not geni_pending_allocation)")
+        #
+        # Perform Operational Action Here
+        #
+
+        instances = aggregate.get_instances(urns) 
+        for instance in instances:
+            tenant_name = self.driver.shell.auth_manager.client.tenant_name
+            action_method(tenant_name, instance.name, instance.id)
+        description = self.describe(urns)
+        geni_slivers = self.describe(urns, None, options)['geni_slivers']
+        return geni_slivers
+
+    def shutdown(self, xrn, options={}):
+        xrn = OSXrn(xrn=xrn, type='slice')
+        tenant_name = xrn.get_tenant_name()
+        name = xrn.get_slicename()
+        self.driver.shell.nova_manager.connect(tenant=tenant_name)
+        instances = self.driver.shell.nova_manager.servers.findall(name=name)
+        for instance in instances:
+            self.driver.shell.nova_manager.servers.shutdown(instance)
+        return True