X-Git-Url: http://git.onelab.eu/?p=sfa.git;a=blobdiff_plain;f=sfa%2Fmanagers%2Fslice_manager.py;h=cf60d783f0b08f26d30c42301a1dfcdf2cbcac4f;hp=72a9c69838492918badb2a88b77f01c42a962e30;hb=44dbc99733c218930dc61619c068f1038c4f33e4;hpb=a3996bfa45298c8d0abfd58916221abba737441c

diff --git a/sfa/managers/slice_manager.py b/sfa/managers/slice_manager.py
index 72a9c698..cf60d783 100644
--- a/sfa/managers/slice_manager.py
+++ b/sfa/managers/slice_manager.py
@@ -1,4 +1,5 @@
 import sys
+import traceback
 import time
 from StringIO import StringIO
 from copy import copy
@@ -80,16 +81,120 @@ class SliceManager:
             local_am_url=self.get_serverproxy_url(api.aggregates[api.hrn])
             sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
         return sm_version
-    
-    def drop_slicemgr_stats(self, rspec):
+
+def drop_slicemgr_stats(rspec):
+    try:
+        stats_elements = rspec.xml.xpath('//statistics')
+        for node in stats_elements:
+            node.getparent().remove(node)
+    except Exception, e:
+        logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
+
+def add_slicemgr_stat(rspec, callname, aggname, elapsed, status, exc_info=None):
+    try:
+        stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
+        if stats_tags:
+            stats_tag = stats_tags[0]
+        else:
+            stats_tag = etree.SubElement(rspec.xml.root, "statistics", call=callname)
+
+        stat_tag = etree.SubElement(stats_tag, "aggregate", name=str(aggname), elapsed=str(elapsed), status=str(status))
+
+        if exc_info:
+            exc_tag = etree.SubElement(stat_tag, "exc_info", name=str(exc_info[1]))
+
+            # this would encode it as a text block
+            #exc_tag.text = "\n".join(traceback.format_exception(exc_info[0], exc_info[1], exc_info[2]))
+
+            # this encodes the traceback as a set of xml tags
+            tb = traceback.extract_tb(exc_info[2])
+            for item in tb:
+                exc_frame = etree.SubElement(exc_tag, "tb_frame", filename=str(item[0]), line=str(item[1]), func=str(item[2]), code=str(item[3]))
+
+    except Exception, e:
+        logger.warn("add_slicemgr_stat failed on  %s: %s" %(aggname, str(e)))
+
+def ListResources(api, creds, options, call_id):
+    version_manager = VersionManager()
+    def _ListResources(aggregate, server, credential, opts, call_id):
+
+        my_opts = copy(opts)
+        args = [credential, my_opts]
+        tStart = time.time()
         try:
             stats_elements = rspec.xml.xpath('//statistics')
             for node in stats_elements:
                 node.getparent().remove(node)
         except Exception, e:
-            logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
-    
-    def add_slicemgr_stat(self, rspec, callname, aggname, elapsed, status):
+            api.logger.log_exc("ListResources failed at %s" %(server.url))
+            return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()}
+
+    if Callids().already_handled(call_id): return ""
+
+    # get slice's hrn from options
+    xrn = options.get('geni_slice_urn', '')
+    (hrn, type) = urn_to_hrn(xrn)
+    if 'geni_compressed' in options:
+        del(options['geni_compressed'])
+
+    # 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())
+
+    # look in cache first
+    if caching and api.cache and not xrn:
+        rspec =  api.cache.get(version_string)
+        if rspec:
+            return rspec
+
+    # get the callers hrn
+    valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
+    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+    # attempt to use delegated credential first
+    cred = api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential()
+    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
+
+        # get the rspec from the aggregate
+        interface = api.aggregates[aggregate]
+        server = api.get_server(interface, cred)
+        threads.run(_ListResources, aggregate, server, [cred], options, call_id)
+
+
+    results = threads.get_results()
+    rspec_version = version_manager.get_version(options.get('rspec_version'))
+    if xrn:    
+        result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'manifest')
+    else:
+        result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'ad')
+    rspec = RSpec(version=result_version)
+    for result in results:
+        add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], result["status"], result.get("exc_info",None))
+        if result["status"]=="success":
+            try:
+                rspec.version.merge(result["rspec"])
+            except:
+                api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec")
+
+    # cache the result
+    if caching and api.cache and not xrn:
+        api.cache.add(version_string, rspec.toxml())
+
+    return rspec.toxml()
+
+
+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:
             stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
             if stats_tags:
@@ -260,6 +365,46 @@ class SliceManager:
             args =  [xrn, creds, expiration_time, call_id]
             if self._call_id_supported(api, server):
                 args.append(call_id)
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+            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", "exc_info": sys.exc_info()}
+
+    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)
+=======
             return server.RenewSliver(*args)
     
         if Callids().already_handled(call_id): return True
@@ -430,12 +575,208 @@ class SliceManager:
             # unless the caller is the aggregate's SM
             if caller_hrn == aggregate and aggregate != api.hrn:
                 continue
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
             
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+    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"], result.get("exc_info",None))
+        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()
+
+def RenewSliver(api, xrn, creds, expiration_time, call_id):
+    def _RenewSliver(server, xrn, creds, expiration_time, call_id):
+        server_version = api.get_cached_server_version(server)
+        args =  [xrn, creds, expiration_time, call_id]
+        if _call_id_supported(api, server):
+            args.append(call_id)
+        return server.RenewSliver(*args)
+
+    if Callids().already_handled(call_id): return True
+
+    (hrn, type) = urn_to_hrn(xrn)
+    # get the callers hrn
+    valid_cred = api.auth.checkCredentials(creds, 'renewsliver', hrn)[0]
+    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+    # attempt to use delegated credential first
+    cred = api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential()
+    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)
+        threads.run(_RenewSliver, server, xrn, [cred], expiration_time, call_id)
+    # 'and' the results
+    return reduce (lambda x,y: x and y, threads.get_results() , True)
+
+def DeleteSliver(api, xrn, creds, call_id):
+    def _DeleteSliver(server, xrn, creds, call_id):
+        server_version = api.get_cached_server_version(server)
+        args =  [xrn, creds]
+        if _call_id_supported(api, server):
+            args.append(call_id)
+        return server.DeleteSliver(*args)
+
+    if Callids().already_handled(call_id): return ""
+    (hrn, type) = urn_to_hrn(xrn)
+    # get the callers hrn
+    valid_cred = api.auth.checkCredentials(creds, 'deletesliver', hrn)[0]
+    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+    # attempt to use delegated credential first
+    cred = api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential()
+    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)
+        threads.run(_DeleteSliver, server, xrn, [cred], call_id)
+    threads.get_results()
+    return 1
+
+
+# first draft at a merging SliverStatus
+def SliverStatus(api, slice_xrn, creds, call_id):
+    def _SliverStatus(server, xrn, creds, call_id):
+        server_version = api.get_cached_server_version(server)
+        args =  [xrn, creds]
+        if _call_id_supported(api, server):
+            args.append(call_id)
+        return server.SliverStatus(*args)
+=======
             interface = api.aggregates[aggregate]
             server = api.server_proxy(interface, cred)
             threads.run(server.GetTicket, xrn, [cred], aggregate_rspec, users)
-    
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
+    
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+    if Callids().already_handled(call_id): return {}
+    # attempt to use delegated credential first
+    cred = api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential()
+    threads = ThreadManager()
+    for aggregate in api.aggregates:
+        interface = api.aggregates[aggregate]
+        server = api.get_server(interface, cred)
+        threads.run (_SliverStatus, server, slice_xrn, [cred], call_id)
+    results = threads.get_results()
+
+    # get rid of any void result - e.g. when call_id was hit where by convention we return {}
+    results = [ result for result in results if result and result['geni_resources']]
+
+    # do not try to combine if there's no result
+    if not results : return {}
+
+    # otherwise let's merge stuff
+    overall = {}
+
+    # mmh, it is expected that all results carry the same urn
+    overall['geni_urn'] = results[0]['geni_urn']
+    overall['pl_login'] = results[0]['pl_login']
+    # append all geni_resources
+    overall['geni_resources'] = \
+        reduce (lambda x,y: x+y, [ result['geni_resources'] for result in results] , [])
+    overall['status'] = 'unknown'
+    if overall['geni_resources']:
+        overall['status'] = 'ready'
+
+    return overall
+
+caching=True
+#caching=False
+def ListSlices(api, creds, call_id):
+    def _ListSlices(server, creds, call_id):
+        server_version = api.get_cached_server_version(server)
+        args =  [creds]
+        if _call_id_supported(api, server):
+            args.append(call_id)
+        return server.ListSlices(*args)
+
+    if Callids().already_handled(call_id): return []
+
+    # look in cache first
+    if caching and api.cache:
+        slices = api.cache.get('slices')
+        if slices:
+            return slices
+
+    # get the callers hrn
+    valid_cred = api.auth.checkCredentials(creds, 'listslices', None)[0]
+    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+    # attempt to use delegated credential first
+    cred= api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential()
+    threads = ThreadManager()
+    # fetch from aggregates
+    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)
+        threads.run(_ListSlices, server, [cred], call_id)
+
+    # combime results
+    results = threads.get_results()
+    slices = []
+    for result in results:
+        slices.extend(result)
+
+    # cache the result
+    if caching and api.cache:
+        api.cache.add('slices', slices)
+
+    return slices
+
+
+def get_ticket(api, xrn, creds, rspec, users):
+    slice_hrn, type = urn_to_hrn(xrn)
+    # get the netspecs contained within the clients rspec
+    aggregate_rspecs = {}
+    tree= etree.parse(StringIO(rspec))
+    elements = tree.findall('./network')
+    for element in elements:
+        aggregate_hrn = element.values()[0]
+        aggregate_rspecs[aggregate_hrn] = rspec 
+
+    # get the callers hrn
+    valid_cred = api.auth.checkCredentials(creds, 'getticket', slice_hrn)[0]
+    caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+    # attempt to use delegated credential first
+    cred = api.getDelegatedCredential(creds)
+    if not cred:
+        cred = api.getCredential() 
+    threads = ThreadManager()
+    for (aggregate, aggregate_rspec) in aggregate_rspecs.iteritems():
+        # 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
+=======
         results = threads.get_results()
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
         
         # gather information from each ticket 
         rspec = None