last plc-dependent code moved to PlDriver
[sfa.git] / sfa / managers / aggregate_manager.py
index 30ebd92..8955920 100644 (file)
-import datetime
-import time
-import sys
-
-from sfa.util.sfalogging import logger
-from sfa.util.faults import RecordNotFound, SliverDoesNotExist
-from sfa.util.xrn import get_authority, hrn_to_urn, urn_to_hrn, Xrn, urn_to_sliver_id
-from sfa.util.plxrn import slicename_to_hrn, hrn_to_pl_slicename
 from sfa.util.version import version_core
-from sfa.util.sfatime import utcparse
+from sfa.util.xrn import Xrn
 from sfa.util.callids import Callids
 
-from sfa.trust.sfaticket import SfaTicket
-from sfa.trust.credential import Credential
-from sfa.rspecs.version_manager import VersionManager
-from sfa.rspecs.rspec import RSpec
-
-from sfa.server.sfaapi import SfaApi
-
-import sfa.plc.peers as peers
-from sfa.plc.aggregate import Aggregate
-from sfa.plc.slices import Slices
-
 class AggregateManager:
 
-    def __init__ (self):
-        # xxx Thierry : caching at the aggregate level sounds wrong...
-        #self.caching=True
-        self.caching=False
+    def __init__ (self, config): pass
     
-    def GetVersion(self, api):
+    # essentially a union of the core version, the generic version (this code) and
+    # whatever the driver needs to expose
+    def GetVersion(self, api, options):
     
-        version_manager = VersionManager()
-        ad_rspec_versions = []
-        request_rspec_versions = []
-        for rspec_version in version_manager.versions:
-            if rspec_version.content_type in ['*', 'ad']:
-                ad_rspec_versions.append(rspec_version.to_dict())
-            if rspec_version.content_type in ['*', 'request']:
-                request_rspec_versions.append(rspec_version.to_dict()) 
-        default_rspec_version = version_manager.get_version("sfa 1").to_dict()
         xrn=Xrn(api.hrn)
-        version_more = {'interface':'aggregate',
-                        'testbed':'myplc',
-                        'hrn':xrn.get_hrn(),
-                        'request_rspec_versions': request_rspec_versions,
-                        'ad_rspec_versions': ad_rspec_versions,
-                        'default_ad_rspec': default_rspec_version
-                        }
-        return version_core(version_more)
-    
-    def _get_registry_objects(self, slice_xrn, creds, users):
-        """
-    
-        """
-        hrn, _ = urn_to_hrn(slice_xrn)
-    
-        hrn_auth = get_authority(hrn)
-    
-        # Build up objects that an SFA registry would return if SFA
-        # could contact the slice's registry directly
-        reg_objects = None
-    
-        if users:
-            # dont allow special characters in the site login base
-            #only_alphanumeric = re.compile('[^a-zA-Z0-9]+')
-            #login_base = only_alphanumeric.sub('', hrn_auth[:20]).lower()
-            slicename = hrn_to_pl_slicename(hrn)
-            login_base = slicename.split('_')[0]
-            reg_objects = {}
-            site = {}
-            site['site_id'] = 0
-            site['name'] = 'geni.%s' % login_base 
-            site['enabled'] = True
-            site['max_slices'] = 100
-    
-            # Note:
-            # Is it okay if this login base is the same as one already at this myplc site?
-            # Do we need uniqueness?  Should use hrn_auth instead of just the leaf perhaps?
-            site['login_base'] = login_base
-            site['abbreviated_name'] = login_base
-            site['max_slivers'] = 1000
-            reg_objects['site'] = site
-    
-            slice = {}
-            
-            # get_expiration always returns a normalized datetime - no need to utcparse
-            extime = Credential(string=creds[0]).get_expiration()
-            # If the expiration time is > 60 days from now, set the expiration time to 60 days from now
-            if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
-                extime = datetime.datetime.utcnow() + datetime.timedelta(days=60)
-            slice['expires'] = int(time.mktime(extime.timetuple()))
-            slice['hrn'] = hrn
-            slice['name'] = hrn_to_pl_slicename(hrn)
-            slice['url'] = hrn
-            slice['description'] = hrn
-            slice['pointer'] = 0
-            reg_objects['slice_record'] = slice
-    
-            reg_objects['users'] = {}
-            for user in users:
-                user['key_ids'] = []
-                hrn, _ = urn_to_hrn(user['urn'])
-                user['email'] = hrn_to_pl_slicename(hrn) + "@geni.net"
-                user['first_name'] = hrn
-                user['last_name'] = hrn
-                reg_objects['users'][user['email']] = user
-    
-            return reg_objects
+        version = version_core()
+        version_generic = {'interface':'aggregate',
+                           'sfa': 2,
+                           'geni_api': 2,
+                           'hrn':xrn.get_hrn(),
+                           'urn':xrn.get_urn(),
+                           }
+        version.update(version_generic)
+        testbed_version = self.driver.aggregate_version()
+        version.update(testbed_version)
+        return version
+    
+    def ListSlices(self, api, creds, options):
+        call_id = options.get('call_id')
+        if Callids().already_handled(call_id): return []
+        return self.driver.list_slices (creds, options)
+
+    def ListResources(self, api, creds, options):
+        call_id = options.get('call_id')
+        if Callids().already_handled(call_id): return ""
+
+        # get slice's hrn from options
+        slice_xrn = options.get('geni_slice_urn', None)
+        # pass None if no slice is specified
+        if not slice_xrn:
+            slice_hrn, slice_urn = None, None
+        else:
+            xrn = Xrn(slice_xrn)
+            slice_urn=xrn.get_urn()
+            slice_hrn=xrn.get_hrn()
+
+        return self.driver.list_resources (slice_urn, slice_hrn, creds, options)
     
-    def SliverStatus(self, api, slice_xrn, creds, call_id):
+    def SliverStatus (self, api, xrn, creds, options):
+        call_id = options.get('call_id')
         if Callids().already_handled(call_id): return {}
     
-        (hrn, _) = urn_to_hrn(slice_xrn)
-        # find out where this slice is currently running
-        slicename = hrn_to_pl_slicename(hrn)
-        
-        slices = api.driver.GetSlices([slicename], ['slice_id', 'node_ids','person_ids','name','expires'])
-        if len(slices) == 0:        
-            raise Exception("Slice %s not found (used %s as slicename internally)" % (slice_xrn, slicename))
-        slice = slices[0]
-        
-        # report about the local nodes only
-        nodes = api.driver.GetNodes({'node_id':slice['node_ids'],'peer_id':None},
-                                     ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact'])
-        site_ids = [node['site_id'] for node in nodes]
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.sliver_status (slice_urn, slice_hrn)
     
-        result = {}
-        top_level_status = 'unknown'
-        if nodes:
-            top_level_status = 'ready'
-        slice_urn = Xrn(slice_xrn, 'slice').get_urn()
-        result['geni_urn'] = slice_urn
-        result['pl_login'] = slice['name']
-        result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
-        
-        resources = []
-        for node in nodes:
-            res = {}
-            res['pl_hostname'] = node['hostname']
-            res['pl_boot_state'] = node['boot_state']
-            res['pl_last_contact'] = node['last_contact']
-            if node['last_contact'] is not None:
-                res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
-            sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id']) 
-            res['geni_urn'] = sliver_id
-            if node['boot_state'] == 'boot':
-                res['geni_status'] = 'ready'
-            else:
-                res['geni_status'] = 'failed'
-                top_level_status = 'failed' 
-                
-            res['geni_error'] = ''
-    
-            resources.append(res)
-            
-        result['geni_status'] = top_level_status
-        result['geni_resources'] = resources
-        return result
-    
-    def CreateSliver(self, api, slice_xrn, creds, rspec_string, users, call_id):
+    def CreateSliver(self, api, xrn, creds, rspec_string, users, options):
         """
         Create the sliver[s] (slice) at this aggregate.    
         Verify HRN and initialize the slice record in PLC if necessary.
         """
+        call_id = options.get('call_id')
         if Callids().already_handled(call_id): return ""
     
-        aggregate = Aggregate(api)
-        slices = Slices(api)
-        (hrn, _) = urn_to_hrn(slice_xrn)
-        peer = slices.get_peer(hrn)
-        sfa_peer = slices.get_sfa_peer(hrn)
-        slice_record=None    
-        if users:
-            slice_record = users[0].get('slice_record', {})
-    
-        # parse rspec
-        rspec = RSpec(rspec_string)
-        requested_attributes = rspec.version.get_slice_attributes()
-        
-        # ensure site record exists
-        site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
-        # ensure slice record exists
-        slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
-        # ensure person records exists
-        persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
-        # ensure slice attributes exists
-        slices.verify_slice_attributes(slice, requested_attributes)
-        
-        # add/remove slice from nodes
-        requested_slivers = [node.get('component_name') for node in rspec.version.get_nodes_with_slivers()]
-        slices.verify_slice_nodes(slice, requested_slivers, peer) 
-   
-        # add/remove links links 
-        slices.verify_slice_links(slice, rspec.version.get_link_requests(), aggregate)
-    
-        # handle MyPLC peer association.
-        # only used by plc and ple.
-        slices.handle_peer(site, slice, persons, peer)
-        
-        return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
-    
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+
+        return self.driver.create_sliver (slice_urn, slice_hrn, creds, rspec_string, users, options)
     
-    def RenewSliver(self, api, xrn, creds, expiration_time, call_id):
+    def DeleteSliver(self, api, xrn, creds, options):
+        call_id = options.get('call_id')
+        if Callids().already_handled(call_id): return True
+
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.delete_sliver (slice_urn, slice_hrn, creds, options)
+
+    def RenewSliver(self, api, xrn, creds, expiration_time, options):
+        call_id = options.get('call_id')
         if Callids().already_handled(call_id): return True
-        (hrn, _) = urn_to_hrn(xrn)
-        slicename = hrn_to_pl_slicename(hrn)
-        slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
-        if not slices:
-            raise RecordNotFound(hrn)
-        slice = slices[0]
-        requested_time = utcparse(expiration_time)
-        record = {'expires': int(time.mktime(requested_time.timetuple()))}
-        try:
-            api.driver.UpdateSlice(slice['slice_id'], record)
-            return True
-        except:
-            return False
+        
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.renew_sliver (slice_urn, slice_hrn, creds, expiration_time, options)
     
+    ### these methods could use an options extension for at least call_id
     def start_slice(self, api, xrn, creds):
-        (hrn, _) = urn_to_hrn(xrn)
-        slicename = hrn_to_pl_slicename(hrn)
-        slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
-        if not slices:
-            raise RecordNotFound(hrn)
-        slice_id = slices[0]['slice_id']
-        slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'}, ['slice_tag_id'])
-        # just remove the tag if it exists
-        if slice_tags:
-            api.driver.DeleteSliceTag(slice_tags[0]['slice_tag_id'])
-    
-        return 1
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.start_slice (slice_urn, slice_hrn, creds)
      
     def stop_slice(self, api, xrn, creds):
-        hrn, _ = urn_to_hrn(xrn)
-        slicename = hrn_to_pl_slicename(hrn)
-        slices = api.driver.GetSlices({'name': slicename}, ['slice_id'])
-        if not slices:
-            raise RecordNotFound(hrn)
-        slice_id = slices[0]['slice_id']
-        slice_tags = api.driver.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'})
-        if not slice_tags:
-            api.driver.AddSliceTag(slice_id, 'enabled', '0')
-        elif slice_tags[0]['value'] != "0":
-            tag_id = slice_tags[0]['slice_tag_id']
-            api.driver.UpdateSliceTag(tag_id, '0')
-        return 1
-    
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.stop_slice (slice_urn, slice_hrn, creds)
+
     def reset_slice(self, api, xrn):
-        # XX not implemented at this interface
-        return 1
-    
-    def DeleteSliver(self, api, xrn, creds, call_id):
-        if Callids().already_handled(call_id): return ""
-        (hrn, _) = urn_to_hrn(xrn)
-        slicename = hrn_to_pl_slicename(hrn)
-        slices = api.driver.GetSlices({'name': slicename})
-        if not slices:
-            return 1
-        slice = slices[0]
-    
-        # determine if this is a peer slice
-        peer = peers.get_peer(api, hrn)
-        try:
-            if peer:
-                api.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
-            api.driver.DeleteSliceFromNodes(slicename, slice['node_ids'])
-        finally:
-            if peer:
-                api.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])
-        return 1
-    
-    def ListSlices(self, api, creds, call_id):
-        if Callids().already_handled(call_id): return []
-        # look in cache first
-        if self.caching and api.cache:
-            slices = api.cache.get('slices')
-            if slices:
-                return slices
-    
-        # get data from db 
-        slices = api.driver.GetSlices({'peer_id': None}, ['name'])
-        slice_hrns = [slicename_to_hrn(api.hrn, slice['name']) for slice in slices]
-        slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
-    
-        # cache the result
-        if self.caching and api.cache:
-            api.cache.add('slices', slice_urns) 
-    
-        return slice_urns
-        
-    def ListResources(self, api, creds, options, call_id):
-        if Callids().already_handled(call_id): return ""
-        # get slice's hrn from options
-        xrn = options.get('geni_slice_urn', None)
-        (hrn, _) = urn_to_hrn(xrn)
-    
-        version_manager = VersionManager()
-        # get the rspec's return format from options
-        rspec_version = version_manager.get_version(options.get('rspec_version'))
-        version_string = "rspec_%s" % (rspec_version.to_string())
-    
-        #panos adding the info option to the caching key (can be improved)
-        if options.get('info'):
-            version_string = version_string + "_"+options.get('info', 'default')
-    
-        # look in cache first
-        if self.caching and api.cache and not xrn:
-            rspec = api.cache.get(version_string)
-            if rspec:
-                api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
-                return rspec 
-    
-        #panos: passing user-defined options
-        #print "manager options = ",options
-        aggregate = Aggregate(api, options)
-        rspec =  aggregate.get_rspec(slice_xrn=xrn, version=rspec_version)
-    
-        # cache the result
-        if self.caching and api.cache and not xrn:
-            api.cache.add(version_string, rspec)
-    
-        return rspec
-    
-    
-    def get_ticket(self, api, xrn, creds, rspec, users):
-    
-        (slice_hrn, _) = urn_to_hrn(xrn)
-        slices = Slices(api)
-        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, get_ticket): Undefined variable 'SliceRecord'
-                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(hrn, slice_record, peer, sfa_peer)
-        # ensure slice record exists
-        slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
-        # ensure person records exists
-        persons = slices.verify_persons(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=api.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()
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+        return self.driver.reset_slice (slice_urn, slice_hrn)
+
+    def GetTicket(self, api, xrn, creds, rspec, users, options):
     
-        return new_ticket.save_to_string(save_parents=True)
+        xrn = Xrn(xrn)
+        slice_urn=xrn.get_urn()
+        slice_hrn=xrn.get_hrn()
+
+        return self.driver.get_ticket (slice_urn, slice_hrn, creds, rspec, options)
+