def __init__(self, root_cert, urn_authority, url):
self._url = url
self._api_version = 2
self._slices = dict()
self._agg = Aggregate()
self._agg.add_resources([FakeVM(self._agg) for _ in range(3)])
self._cred_verifier = geni.CredentialVerifier(root_cert)
self._urn_authority = urn_authority
self._my_urn = publicid_to_urn("%s %s %s" % (self._urn_authority, 'authority', 'am'))
self.max_lease = datetime.timedelta(days=REFAM_MAXLEASE_DAYS)
self.logger = logging.getLogger('gcf.am2')
def __init__(self, root_cert, urn_authority, url):
self._url = url
self._api_version = 2
self._slices = dict()
self._agg = Aggregate()
self._agg.add_resources([FakeVM(self._agg) for _ in range(3)])
self._cred_verifier = geni.CredentialVerifier(root_cert)
self._urn_authority = urn_authority
self._my_urn = publicid_to_urn("%s %s %s" % (self._urn_authority, 'authority', 'am'))
self.max_lease = datetime.timedelta(days=REFAM_MAXLEASE_DAYS)
self.logger = logging.getLogger('gcf.am2')
class ReferenceAggregateManager(object):
'''A reference Aggregate Manager that manages fake resources.'''
# root_cert is a single cert or dir of multiple certs
# that are trusted to sign credentials
def __init__(self, root_cert, urn_authority, url):
self._url = url
self._api_version = 2
self._slices = dict()
self._agg = Aggregate()
self._agg.add_resources([FakeVM(self._agg) for _ in range(3)])
self._cred_verifier = geni.CredentialVerifier(root_cert)
self._urn_authority = urn_authority
self._my_urn = publicid_to_urn("%s %s %s" % (self._urn_authority, 'authority', 'am'))
self.max_lease = datetime.timedelta(days=REFAM_MAXLEASE_DAYS)
self.logger = logging.getLogger('gcf.am2')
def GetVersion(self, options):
'''Specify version information about this AM. That could
include API version information, RSpec format and version
information, etc. Return a dict.'''
self.logger.info("Called GetVersion")
reqver = [dict(type="geni",
version="3",
schema="http://www.geni.net/resources/rspec/3/request.xsd",
namespace="http://www.geni.net/resources/rspec/3",
extensions=[])]
adver = [dict(type="geni",
version="3",
schema="http://www.geni.net/resources/rspec/3/ad.xsd",
namespace="http://www.geni.net/resources/rspec/3",
extensions=[])]
api_versions = dict()
api_versions[str(self._api_version)] = self._url
versions = dict(geni_api=2,
geni_api_versions=api_versions,
geni_request_rspec_versions=reqver,
geni_ad_rspec_versions=adver)
return dict(geni_api=versions['geni_api'],
code=dict(geni_code=0,
am_type="gcf2",
am_code=0),
value=versions,
output="")
# The list of credentials are options - some single cred
# must give the caller required permissions.
# The semantics of the API are unclear on this point, so
# this is just the current implementation
def ListResources(self, credentials, options):
'''Return an RSpec of resources managed at this AM.
If a geni_slice_urn
is given in the options, then only return resources assigned
to that slice. If geni_available is specified in the options,
then only report available resources. And if geni_compressed
option is specified, then compress the result.'''
self.logger.info('ListResources(%r)' % (options))
# Note this list of privileges is really the name of an operation
# from the privilege_table in sfa/trust/rights.py
# Credentials will specify a list of privileges, each of which
# confers the right to perform a list of operations.
# EG the 'info' privilege in a credential allows the operations
# listslices, listnodes, policy
# could require list or listnodes?
privileges = ()
# Note that verify throws an exception on failure.
# Use the client PEM format cert as retrieved
# from the https connection by the SecureXMLRPCServer
# to identify the caller.
self._cred_verifier.verify_from_strings(self._server.pem_cert,
credentials,
None,
privileges)
# If we get here, the credentials give the caller
# all needed privileges to act on the given target.
if 'geni_rspec_version' not in options:
# This is a required option, so error out with bad arguments.
self.logger.error('No geni_rspec_version supplied to ListResources.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version was not supplied.')
if 'type' not in options['geni_rspec_version']:
self.logger.error('ListResources: geni_rspec_version does not contain a type field.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version does not have a type field.')
if 'version' not in options['geni_rspec_version']:
self.logger.error('ListResources: geni_rspec_version does not contain a version field.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version does not have a version field.')
# Look to see what RSpec version the client requested
# Error-check that the input value is supported.
rspec_type = options['geni_rspec_version']['type']
if isinstance(rspec_type, str):
rspec_type = rspec_type.lower().strip()
rspec_version = options['geni_rspec_version']['version']
if rspec_type != 'geni':
self.logger.error('ListResources: Unknown RSpec type %s requested', rspec_type)
return self.errorResult(4, 'Bad Version: requested RSpec type %s is not a valid option.' % (rspec_type))
if rspec_version != '3':
self.logger.error('ListResources: Unknown RSpec version %s requested', rspec_version)
return self.errorResult(4, 'Bad Version: requested RSpec version %s is not a valid option.' % (rspec_type))
self.logger.info("ListResources requested RSpec %s (%s)", rspec_type, rspec_version)
if 'geni_slice_urn' in options:
slice_urn = options['geni_slice_urn']
if slice_urn in self._slices:
### result = self.manifest_rspec(slice_urn)
result = gib_manager.get_manifest()
else:
# return an empty rspec
return self._no_such_slice(slice_urn)
else:
result = gib_manager.get_advert()
### all_resources = self._agg.catalog(None)
### available = 'geni_available' in options and options['geni_available']
### resource_xml = ""
### for r in all_resources:
### if available and not r.available:
### continue
### resource_xml = resource_xml + self.advert_resource(r)
### result = self.advert_header() + resource_xml + self.advert_footer()
self.logger.debug("Result is now \"%s\"", result)
# Optionally compress the result
if 'geni_compressed' in options and options['geni_compressed']:
try:
result = base64.b64encode(zlib.compress(result))
except Exception, exc:
import traceback
self.logger.error("Error compressing and encoding resource list: %s", traceback.format_exc())
raise Exception("Server error compressing resource list", exc)
return dict(code=dict(geni_code=0,
am_type="gcf2",
am_code=0),
value=result,
output="")
class ReferenceAggregateManager(object):
'''A reference Aggregate Manager that manages fake resources.'''
# root_cert is a single cert or dir of multiple certs
# that are trusted to sign credentials
def __init__(self, root_cert, urn_authority, url):
self._url = url
self._api_version = 2
self._slices = dict()
self._agg = Aggregate()
self._agg.add_resources([FakeVM(self._agg) for _ in range(3)])
self._cred_verifier = geni.CredentialVerifier(root_cert)
self._urn_authority = urn_authority
self._my_urn = publicid_to_urn("%s %s %s" % (self._urn_authority, 'authority', 'am'))
self.max_lease = datetime.timedelta(days=REFAM_MAXLEASE_DAYS)
self.logger = logging.getLogger('gcf.am2')
def GetVersion(self, options):
'''Specify version information about this AM. That could
include API version information, RSpec format and version
information, etc. Return a dict.'''
self.logger.info("Called GetVersion")
reqver = [dict(type="geni",
version="3",
schema="http://www.geni.net/resources/rspec/3/request.xsd",
namespace="http://www.geni.net/resources/rspec/3",
extensions=[])]
adver = [dict(type="geni",
version="3",
schema="http://www.geni.net/resources/rspec/3/ad.xsd",
namespace="http://www.geni.net/resources/rspec/3",
extensions=[])]
api_versions = dict()
api_versions[str(self._api_version)] = self._url
versions = dict(geni_api=2,
geni_api_versions=api_versions,
geni_request_rspec_versions=reqver,
geni_ad_rspec_versions=adver)
return dict(geni_api=versions['geni_api'],
code=dict(geni_code=0,
am_type="gcf2",
am_code=0),
value=versions,
output="")
# The list of credentials are options - some single cred
# must give the caller required permissions.
# The semantics of the API are unclear on this point, so
# this is just the current implementation
def ListResources(self, credentials, options):
'''Return an RSpec of resources managed at this AM.
If a geni_slice_urn
is given in the options, then only return resources assigned
to that slice. If geni_available is specified in the options,
then only report available resources. And if geni_compressed
option is specified, then compress the result.'''
self.logger.info('ListResources(%r)' % (options))
# Note this list of privileges is really the name of an operation
# from the privilege_table in sfa/trust/rights.py
# Credentials will specify a list of privileges, each of which
# confers the right to perform a list of operations.
# EG the 'info' privilege in a credential allows the operations
# listslices, listnodes, policy
# could require list or listnodes?
privileges = ()
# Note that verify throws an exception on failure.
# Use the client PEM format cert as retrieved
# from the https connection by the SecureXMLRPCServer
# to identify the caller.
try:
self._cred_verifier.verify_from_strings(self._server.pem_cert,
credentials,
None,
privileges)
except Exception, e:
raise xmlrpclib.Fault('Insufficient privileges', str(e))
# If we get here, the credentials give the caller
# all needed privileges to act on the given target.
if 'geni_rspec_version' not in options:
# This is a required option, so error out with bad arguments.
self.logger.error('No geni_rspec_version supplied to ListResources.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version was not supplied.')
if 'type' not in options['geni_rspec_version']:
self.logger.error('ListResources: geni_rspec_version does not contain a type field.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version does not have a type field.')
if 'version' not in options['geni_rspec_version']:
self.logger.error('ListResources: geni_rspec_version does not contain a version field.')
return self.errorResult(1, 'Bad Arguments: option geni_rspec_version does not have a version field.')
# Look to see what RSpec version the client requested
# Error-check that the input value is supported.
rspec_type = options['geni_rspec_version']['type']
if isinstance(rspec_type, str):
rspec_type = rspec_type.lower().strip()
rspec_version = options['geni_rspec_version']['version']
if rspec_type != 'geni':
self.logger.error('ListResources: Unknown RSpec type %s requested', rspec_type)
return self.errorResult(4, 'Bad Version: requested RSpec type %s is not a valid option.' % (rspec_type))
if rspec_version != '3':
self.logger.error('ListResources: Unknown RSpec version %s requested', rspec_version)
return self.errorResult(4, 'Bad Version: requested RSpec version %s is not a valid option.' % (rspec_type))
self.logger.info("ListResources requested RSpec %s (%s)", rspec_type, rspec_version)
if 'geni_slice_urn' in options:
slice_urn = options['geni_slice_urn']
if slice_urn in self._slices:
### result = self.manifest_rspec(slice_urn)
result = gib_manager.get_manifest()
else:
# return an empty rspec
return self._no_such_slice(slice_urn)
else:
result = gib_manager.get_advert()
### all_resources = self._agg.catalog(None)
### available = 'geni_available' in options and options['geni_available']
### resource_xml = ""
### for r in all_resources:
### if available and not r.available:
### continue
### resource_xml = resource_xml + self.advert_resource(r)
### result = self.advert_header() + resource_xml + self.advert_footer()
self.logger.debug("Result is now \"%s\"", result)
# Optionally compress the result
if 'geni_compressed' in options and options['geni_compressed']:
try:
result = base64.b64encode(zlib.compress(result))
except Exception, exc:
import traceback
self.logger.error("Error compressing and encoding resource list: %s", traceback.format_exc())
raise Exception("Server error compressing resource list", exc)
