+
+
# specialized Xrn class for PlanetLab
import re
-from sfa.util.xrn import Xrn
+from sfa.util.xrn import Xrn, get_authority
# temporary helper functions to use this module instead of namespace
-def hostname_to_hrn (auth, login_base, hostname):
- return PlXrn(auth=auth+'.'+login_base,hostname=hostname).get_hrn()
+
+
+def hostname_to_hrn(auth, login_base, hostname):
+ return PlXrn(auth=auth + '.' + login_base, hostname=hostname).get_hrn()
+
+
def hostname_to_urn(auth, login_base, hostname):
- return PlXrn(auth=auth+'.'+login_base,hostname=hostname).get_urn()
-def slicename_to_hrn (auth_hrn, slicename):
- return PlXrn(auth=auth_hrn,slicename=slicename).get_hrn()
-def email_to_hrn (auth_hrn, email):
+ return PlXrn(auth=auth + '.' + login_base, hostname=hostname).get_urn()
+
+
+def slicename_to_hrn(auth_hrn, slicename):
+ return PlXrn(auth=auth_hrn, slicename=slicename).get_hrn()
+
+
+def email_to_hrn(auth_hrn, email):
return PlXrn(auth=auth_hrn, email=email).get_hrn()
-def hrn_to_pl_slicename (hrn):
- return PlXrn(xrn=hrn,type='slice').pl_slicename()
+
+
+def hrn_to_pl_slicename(hrn):
+ return PlXrn(xrn=hrn, type='slice').pl_slicename()
# removed-dangerous - was used for non-slice objects
-#def hrn_to_pl_login_base (hrn):
+# def hrn_to_pl_login_base (hrn):
# return PlXrn(xrn=hrn,type='slice').pl_login_base()
-def hrn_to_pl_authname (hrn):
- return PlXrn(xrn=hrn,type='any').pl_authname()
+
+
+def hrn_to_pl_authname(hrn):
+ return PlXrn(xrn=hrn, type='any').pl_authname()
+
+
def xrn_to_hostname(hrn):
return Xrn.unescape(PlXrn(xrn=hrn, type='node').get_leaf())
+# helpers to handle external objects created via fedaration
+
+
+def top_auth(hrn):
+ return hrn.split('.')[0]
+
+
+def hash_loginbase(site_hrn):
+ if len(site_hrn) <= 12:
+ return site_hrn.replace('.', '8').replace('_', '8')
+ ratio = float(12) / len(site_hrn)
+ auths_tab = site_hrn.split('.')
+ auths_tab2 = []
+ for auth in auths_tab:
+
+ auth = auth.replace('_', '8')
+ auth2 = auth[:int(len(auth) * ratio)]
+ auths_tab2.append(auth2)
+ return '8'.join(auths_tab2)
+
+
class PlXrn (Xrn):
- @staticmethod
- def site_hrn (auth, login_base):
- return '.'.join([auth,login_base])
+ @staticmethod
+ def site_hrn(auth, login_base):
+ return '.'.join([auth, login_base])
- def __init__ (self, auth=None, hostname=None, slicename=None, email=None, interface=None, **kwargs):
- #def hostname_to_hrn(auth_hrn, login_base, hostname):
+ def __init__(self, auth=None, hostname=None, slicename=None, email=None, interface=None, **kwargs):
+ # def hostname_to_hrn(auth_hrn, login_base, hostname):
if hostname is not None:
- self.type='node'
+ self.type = 'node'
# keep only the first part of the DNS name
#self.hrn='.'.join( [auth,hostname.split(".")[0] ] )
# escape the '.' in the hostname
- self.hrn='.'.join( [auth,Xrn.escape(hostname)] )
+ self.hrn = '.'.join([auth, Xrn.escape(hostname)])
self.hrn_to_urn()
- #def slicename_to_hrn(auth_hrn, slicename):
+ # def slicename_to_hrn(auth_hrn, slicename):
elif slicename is not None:
- self.type='slice'
+ self.type = 'slice'
# split at the first _
- parts = slicename.split("_",1)
- self.hrn = ".".join([auth] + parts )
+ parts = slicename.split("_", 1)
+ self.hrn = ".".join([auth] + parts)
self.hrn_to_urn()
- #def email_to_hrn(auth_hrn, email):
+ # def email_to_hrn(auth_hrn, email):
elif email is not None:
- self.type='person'
+ self.type = 'person'
# keep only the part before '@' and replace special chars into _
- self.hrn='.'.join([auth,email.split('@')[0].replace(".", "_").replace("+", "_")])
+ self.hrn = '.'.join(
+ [auth, email.split('@')[0].replace(".", "_").replace("+", "_")])
self.hrn_to_urn()
elif interface is not None:
self.type = 'interface'
self.hrn = auth + '.' + interface
self.hrn_to_urn()
else:
- Xrn.__init__ (self,**kwargs)
+ Xrn.__init__(self, **kwargs)
- #def hrn_to_pl_slicename(hrn):
- def pl_slicename (self):
+ # def hrn_to_pl_slicename(hrn):
+ def pl_slicename(self):
self._normalize()
leaf = self.leaf
sliver_id_parts = leaf.split(':')
name = re.sub('[^a-zA-Z0-9_]', '', name)
return self.pl_login_base() + '_' + name
- #def hrn_to_pl_authname(hrn):
- def pl_authname (self):
+ # def hrn_to_pl_authname(hrn):
+ def pl_authname(self):
self._normalize()
return self.authority[-1]
self._normalize()
return self.leaf
- def pl_login_base (self):
+ def pl_login_base(self):
self._normalize()
- base = self.authority[-1]
-
+ if self.type and self.type.startswith('authority'):
+ base = self.leaf
+ else:
+ base = self.authority[-1]
+
# Fix up names of GENI Federates
base = base.lower()
- base = re.sub('\\\[^a-zA-Z0-9]', '', base)
+ base = re.sub('[\\\\]*[^a-zA-Z0-9]', '', base)
- if len(base) > 20:
- base = base[len(base)-20:]
-
return base
+
+tests = [
+ 'inria.foo.x',
+ 'in.foo.x_y',
+ 'inria.foo.longer',
+ 'onelab.upmc.fit_demo',
+ 'onelab.upmc.fit_demo.some_other',
+]
+
+if __name__ == '__main__':
+ for test in tests:
+ print(("{} - hash_loginbase -> {}".format(test, hash_loginbase(test))))