#!/usr/bin/python
+from __future__ import print_function
+
import sys
import os
import tempfile
from optparse import OptionParser
+
+from sfa.util.faults import ConnectionKeyGIDMismatch
from sfa.util.config import Config
-import sfa.util.xmlrpcprotocol as xmlrpcprotocol
-import sfa.util.misc as misc
+
from sfa.trust.certificate import Keypair, Certificate
from sfa.trust.credential import Credential
from sfa.trust.gid import GID
from sfa.trust.hierarchy import Hierarchy
-def get_server(url=None, port=None, keyfile=None, certfile=None,verbose=False):
+from sfa.client.sfaserverproxy import SfaServerProxy
+
+from sfa.planetlab.plxrn import hrn_to_pl_slicename, slicename_to_hrn
+
+KEYDIR = "/var/lib/sfa/"
+CONFDIR = "/etc/sfa/"
+
+
+def handle_gid_mismatch_exception(f):
+ def wrapper(*args, **kwds):
+ try:
+ return f(*args, **kwds)
+ except ConnectionKeyGIDMismatch:
+ # clean regen server keypair and try again
+ print("cleaning keys and trying again")
+ clean_key_cred()
+ return f(args, kwds)
+
+ return wrapper
+
+
+def server_proxy(url=None, port=None, keyfile=None, certfile=None, verbose=False):
"""
returns an xmlrpc connection to the service a the specified
address
"""
if url:
url_parts = url.split(":")
- if len(url_parts) >1:
+ if len(url_parts) > 1:
pass
else:
url = "http://%(url)s:%(port)s" % locals()
url = "http://%(addr)s:%(port)s" % locals()
if verbose:
- print "Contacting registry at: %(url)s" % locals()
+ print("Contacting registry at: %(url)s" % locals())
+
+ server = SfaServerProxy(url, keyfile, certfile)
+ return server
- server = xmlrpcprotocol.get_server(url, keyfile, certfile)
- return server
-
def create_default_dirs():
config = Config()
for dir in all_dirs:
if not os.path.exists(dir):
os.makedirs(dir)
-
+
+
+def has_node_key():
+ key_file = KEYDIR + os.sep + 'server.key'
+ return os.path.exists(key_file)
+
+
+def clean_key_cred():
+ """
+ remove the existing keypair and cred and generate new ones
+ """
+ files = ["server.key", "server.cert", "node.cred"]
+ for f in files:
+ filepath = KEYDIR + os.sep + f
+ if os.path.isfile(filepath):
+ os.unlink(f)
+
+ # install the new key pair
+ # GetCredential will take care of generating the new keypair
+ # and credential
+ GetCredential()
+
+
def get_node_key(registry=None, verbose=False):
- # this call requires no authentication,
+ # this call requires no authentication,
# so we can generate a random keypair here
- subject="component"
- keyfile = tempfile.mktemp()
- certfile = tempfile.mktemp()
+ subject = "component"
+ (kfd, keyfile) = tempfile.mkstemp()
+ (cfd, certfile) = tempfile.mkstemp()
key = Keypair(create=True)
key.save_to_file(keyfile)
cert = Certificate(subject=subject)
cert.set_pubkey(key)
cert.sign()
cert.save_to_file(certfile)
-
- registry = get_server(url = registry, keyfile=keyfile, certfile=certfile)
- registry.get_key()
+
+ registry = server_proxy(url=registry, keyfile=keyfile, certfile=certfile)
+ registry.get_key_from_incoming_ip()
+
def create_server_keypair(keyfile=None, certfile=None, hrn="component", verbose=False):
"""
cert.set_issuer(key=key, subject=hrn)
cert.set_pubkey(key)
cert.sign()
- cert.save_to_file(certfile, save_parents=True)
-
-def get_credential(registry=None, verbose=False):
+ cert.save_to_file(certfile, save_parents=True)
+
+
+@handle_gid_mismatch_exception
+def GetCredential(registry=None, force=False, verbose=False):
config = Config()
hierarchy = Hierarchy()
- key_dir= hierarchy.basedir
+ key_dir = hierarchy.basedir
data_dir = config.data_path
config_dir = config.config_path
credfile = data_dir + os.sep + 'node.cred'
# check for existing credential
- if os.path.exists(credfile):
+ if not force and os.path.exists(credfile):
if verbose:
- print "Loading Credential from %(credfile)s " % locals()
+ print("Loading Credential from %(credfile)s " % locals())
cred = Credential(filename=credfile).save_to_string(save_parents=True)
else:
if verbose:
- print "Getting credential from registry"
+ print("Getting credential from registry")
# make sure node private key exists
node_pkey_file = config_dir + os.sep + "node.key"
node_gid_file = config_dir + os.sep + "node.gid"
if not os.path.exists(node_pkey_file) or \
not os.path.exists(node_gid_file):
get_node_key(registry=registry, verbose=verbose)
-
+
gid = GID(filename=node_gid_file)
hrn = gid.get_hrn()
# create server key and certificate
- keyfile =data_dir + os.sep + "server.key"
+ keyfile = data_dir + os.sep + "server.key"
certfile = data_dir + os.sep + "server.cert"
key = Keypair(filename=node_pkey_file)
key.save_to_file(keyfile)
create_server_keypair(keyfile, certfile, hrn, verbose)
- # get credential from registry
- registry = get_server(url=registry, keyfile=keyfile, certfile=certfile)
+ # get credential from registry
+ registry = server_proxy(
+ url=registry, keyfile=keyfile, certfile=certfile)
+ cert = Certificate(filename=certfile)
cert_str = cert.save_to_string(save_parents=True)
- cred = registry.get_self_credential(cert_str, 'node', hrn)
- Credential(string=cred).save_to_file(credfile)
-
+ cred = registry.GetSelfCredential(cert_str, 'node', hrn)
+ Credential(string=cred).save_to_file(credfile, save_parents=True)
+
return cred
+
+@handle_gid_mismatch_exception
def get_trusted_certs(registry=None, verbose=False):
"""
refresh our list of trusted certs.
node_gid = GID(filename=node_gid_file)
hrn = node_gid.get_hrn()
# get credential
- cred = get_credential(registry=registry, verbose=verbose)
+ cred = GetCredential(registry=registry, verbose=verbose)
# make sure server key cert pair exists
- create_server_keypair(keyfile=keyfile, certfile=certfile, hrn=hrn, verbose=verbose)
- registry = get_server(url=registry, keyfile=keyfile, certfile=certfile)
+ create_server_keypair(
+ keyfile=keyfile, certfile=certfile, hrn=hrn, verbose=verbose)
+ registry = server_proxy(url=registry, keyfile=keyfile, certfile=certfile)
# get the trusted certs and save them in the right place
if verbose:
- print "Getting trusted certs from registry"
+ print("Getting trusted certs from registry")
trusted_certs = registry.get_trusted_certs(cred)
- trusted_gid_names = []
+ trusted_gid_names = []
for gid_str in trusted_certs:
gid = GID(string=gid_str)
gid.decode()
- trusted_gid_names.append(gid.get_hrn())
- gid_filename = trusted_certs_dir + os.sep + gid.get_hrn() + ".gid"
+ relative_filename = gid.get_hrn() + ".gid"
+ trusted_gid_names.append(relative_filename)
+ gid_filename = trusted_certs_dir + os.sep + relative_filename
if verbose:
- print "Writing GID for %s as %s" % (gid.get_hrn(), gid_filename)
+ print("Writing GID for %s as %s" % (gid.get_hrn(), gid_filename))
gid.save_to_file(gid_filename, save_parents=True)
# remove old certs
all_gids_names = os.listdir(trusted_certs_dir)
for gid_name in all_gids_names:
if gid_name not in trusted_gid_names:
- os.unlink(trusted_certs_dir + os.sep + gid_name)
+ if verbose:
+ print("Removing old gid ", gid_name)
+ os.unlink(trusted_certs_dir + os.sep + gid_name)
+
+@handle_gid_mismatch_exception
def get_gids(registry=None, verbose=False):
"""
Get the gid for all instantiated slices on this node and store it
# define useful variables
config = Config()
data_dir = config.data_path
+ config_dir = config.SFA_CONFIG_DIR
trusted_certs_dir = config.get_trustedroots_dir()
keyfile = data_dir + os.sep + "server.key"
certfile = data_dir + os.sep + "server.cert"
hrn = node_gid.get_hrn()
interface_hrn = config.SFA_INTERFACE_HRN
# get credential
- cred = get_credential(registry=registry, verbose=verbose)
+ cred = GetCredential(registry=registry, verbose=verbose)
# make sure server key cert pair exists
- create_server_keypair(keyfile=keyfile, certfile=certfile, hrn=hrn, verbose=verbose)
- registry = get_server(url=registry, keyfile=keyfile, certfile=certfile)
-
+ create_server_keypair(
+ keyfile=keyfile, certfile=certfile, hrn=hrn, verbose=verbose)
+ registry = server_proxy(url=registry, keyfile=keyfile, certfile=certfile)
+
if verbose:
- print "Getting current slices on this node"
+ print("Getting current slices on this node")
# get a list of slices on this node
- from sfa.plc.api import ComponentAPI
- api = ComponentAPI()
- slicenames = api.nodemanger.GetXIDs().keys()
- slicename_to_hrn = lambda name: ".".join([interface_hrn, name.replace('_', '.')])
- hrns = map(slicename_to_hrn, slicenames)
+ from sfa.generic import Generic
+ generic = Generic.the_flavour()
+ api = generic.make_api(interface='component')
+ xids_tuple = api.driver.nodemanager.GetXIDs()
+ slices = eval(xids_tuple[1])
+ slicenames = slices.keys()
+
+ # generate a list of slices that dont have gids installed
+ slices_without_gids = []
+ for slicename in slicenames:
+ if not os.path.isfile("/vservers/%s/etc/slice.gid" % slicename) \
+ or not os.path.isfile("/vservers/%s/etc/node.gid" % slicename):
+ slices_without_gids.append(slicename)
+
+ # convert slicenames to hrns
+ hrns = [slicename_to_hrn(interface_hrn, slicename)
+ for slicename in slices_without_gids]
+
+ # exit if there are no gids to install
+ if not hrns:
+ return
if verbose:
- print "Getting gids for slices on this node from registry"
+ print("Getting gids for slices on this node from registry")
# get the gids
# and save them in the right palce
- records = registry.get_gids(cred, hrns)
+ records = registry.GetGids(hrns, cred)
for record in records:
# if this isnt a slice record skip it
if not record['type'] == 'slice':
continue
- slicename = misc.hrn_to_pl_slicename(record['hrn'])
+ slicename = hrn_to_pl_slicename(record['hrn'])
# if this slice isnt really instatiated skip it
if not os.path.exists("/vservers/%(slicename)s" % locals()):
continue
-
+
# save the slice gid in /etc/sfa/ in the vservers filesystem
- vserver_path = "/vserver/%(slicename)s" % locals()
+ vserver_path = "/vservers/%(slicename)s" % locals()
gid = record['gid']
- slice_gid_filename = os.sep.join([vserver_path, config_dir, "slice.gid"])
+ slice_gid_filename = os.sep.join([vserver_path, "etc", "slice.gid"])
if verbose:
- print "Saving GID for %(slicename)s as %(slice_gid_filename)s" % locals()
+ print("Saving GID for %(slicename)s as %(slice_gid_filename)s" % locals())
GID(string=gid).save_to_file(slice_gid_filename, save_parents=True)
# save the node gid in /etc/sfa
- node_gid_filename = os.sep.join([vserver_path, config_dir, "node.gid"])
+ node_gid_filename = os.sep.join([vserver_path, "etc", "node.gid"])
if verbose:
- print "Saving node GID for %(slicename)s as %(slice_gid_filename)s" % locals()
- node_gid.save_to_file(node_gid_filename, save_parents=True)
-
+ print("Saving node GID for %(slicename)s as %(node_gid_filename)s" % locals())
+ node_gid.save_to_file(node_gid_filename, save_parents=True)
+
def dispatch(options, args):
create_default_dirs()
if options.key:
if options.verbose:
- print "Getting the component's pkey"
+ print("Getting the component's pkey")
get_node_key(registry=options.registry, verbose=options.verbose)
if options.certs:
if options.verbose:
- print "Getting the component's trusted certs"
+ print("Getting the component's trusted certs")
get_trusted_certs(verbose=options.verbose)
- if options.gids:
+ if options.gids:
if options.verbose:
- print "Geting the component's GIDs"
+ print("Geting the component's GIDs")
get_gids(verbose=options.verbose)
+
def main():
args = sys.argv
prog_name = args[0]
parser = OptionParser(usage="%(prog_name)s [options]" % locals())
parser.add_option("-v", "--verbose", dest="verbose", action="store_true",
- default=False, help="Be verbose")
+ default=False, help="Be verbose")
parser.add_option("-r", "--registry", dest="registry", default=None,
- help="Url of registry to contact")
- parser.add_option("-k", "--key", dest="key", action="store_true",
- default=False,
- help="Get the node's pkey from the registry")
+ help="Url of registry to contact")
+ parser.add_option("-k", "--key", dest="key", action="store_true",
+ default=False,
+ help="Get the node's pkey from the registry")
parser.add_option("-c", "--certs", dest="certs", action="store_true",
default=False,
help="Get the trusted certs from the registry")
- parser.add_option("-g", "--gids", dest="gids", action="store_true",
+ parser.add_option("-g", "--gids", dest="gids", action="store_true",
default=False,
help="Get gids for all the slices on the component")
dispatch(options, args)
if __name__ == '__main__':
- main()
+ main()
git://git.onelab.eu / sfa.git / blobdiff