--- /dev/null
+### $Id: $
+### $URL: $
+import os
+import tempfile
+from sfa.util.faults import *
+from sfa.util.misc import *
+from sfa.util.method import Method
+from sfa.util.parameter import Parameter, Mixed
+from sfa.trust.auth import Auth
+
+class request_key(Method):
+ """
+ Generate a new keypair and gid for requesting caller (component).
+ @return 1 If successful
+ """
+
+ interfaces = ['registry']
+
+ accepts = []
+
+ returns = Parameter(int, "1 if successful, faults otherwise")
+
+ def call(self):
+ # verify that the callers's ip address exist in the db and is an inteface
+ # for a node in the db
+ (ip, port) = self.api.remote_addr
+ interfaces = self.api.plshell(self.api.plauth, {'ip': ip}, ['node_id'])i
+ if not interfaces:
+ raise NonExistingRecord("no such ip %(ip)s" % locals())
+ nodes = self.api.plshell(self.api.plauth, [interfaces[0]['node_id']], ['node_id', 'hostname'])
+ if not nodes:
+ raise NonExistingRecord("no such node using ip %(ip)s" % locals())
+ node = nodes[0]
+
+ # look up the sfa record
+ table = GeniTable()
+ records = table.find({'type': 'node', 'pointer': node['node_id']})
+ if not records:
+ raise raise RecordNotFound("pointer:" + str(node['node_id']))
+ record = records[0]
+
+ # generate a new keypair and gid
+ uuid = create_uuid()
+ pkey = Keypair(create=True)
+ gid_object = self.api.auth.hierarchy.create_gid(record['hrn'], uuid, pkey)
+ gid = gid_object.save_to_string(save_parents=True)
+ record['gid'] = gid
+ record.set_gid(gid)
+
+ # update the record
+ table.update(record)
+
+ # attempt the scp the key
+ # this will only work for planetlab based compoenents
+ (fd, filename) = tempfile.mkstemp()
+ pkey.save_to_file(filename)
+ host = node['hostname']
+ dest="/etc/sfa/%s.key" % record['hrn']
+ identity = "/etc/planetlab/root_ssh_key.pub"
+ os.system("scp -i %(identity)s %(filename)s root@%(host)s:%(dest)s" % locals()
+ os.remove(filename)
+
+ return 1