import sys
import string
import time
-import plc
+import xml, xmlrpclib
+try:
+ import config
+ auth = {'Username' : config.API_AUTH_USER,
+ 'AuthMethod' : "password",
+ 'AuthString' : config.API_AUTH_PASSWORD}
+except:
+ import traceback
+ print traceback.print_exc()
+ auth = {'AuthMethod' : "anonymous"}
args = {}
-args['known_hosts'] = os.environ['HOME'] + "/.ssh/known_hosts"
+args['known_hosts'] = os.environ['HOME'] + os.sep + ".ssh" + os.sep + "known_hosts"
+args['XMLRPC_SERVER'] = 'https://boot.planet-lab.org/PLCAPI/'
class SSHKnownHosts:
def __init__(self, args = args):
self.args = args
self.read_knownhosts()
+ self.auth = auth
+ self.api = xmlrpclib.Server(args['XMLRPC_SERVER'], verbose=False, allow_none=True)
+ self.nodenetworks = {}
def _split_kh_entry(self, line):
s = line.split(' ')
f.close()
def updateAll(self):
- l_nodes = plc.getNodes()
+ l_nodes = self.getNodes()
d_nodes = {}
nokey_list = []
for node in l_nodes:
return nokey_list
def delete(self, host):
- node = plc.getNodes(host)
- (host, ip, _, _) = self._record_from_node(node[0])
- index = "%s,%s" % (host,ip)
- if index in self.pl_keys:
- del self.pl_keys[index]
- if index in self.other_keys:
- del self.other_keys[index]
+ node = self.getNodes(host)
+ if len(node) > 0:
+ (host, ip, _, _) = self._record_from_node(node[0])
+ index = "%s,%s" % (host,ip)
+ if index in self.pl_keys:
+ del self.pl_keys[index]
+ if index in self.other_keys:
+ del self.other_keys[index]
+ return node
def updateDirect(self, host):
cmd = os.popen("/usr/bin/ssh-keyscan -t rsa %s 2>/dev/null" % host)
line = cmd.read()
(h, ip, key, comment) = self._split_kh_entry(line[:-1])
- node = plc.getNodes(host)
+ node = self.getNodes(host)
(host2, ip2, x, x) = self._record_from_node(node[0])
rec = { self._get_index(host2, ip2) : "%s %s" % (key, "DIRECT") }
self.other_keys.update(rec)
def update(self, host):
- node = plc.getNodes(host)
- ret = self._record_from_node(node[0])
- (host, ip, key, comment) = ret
- if ip == None:
- self.updateDirect(host)
- else:
- rec = { "%s,%s" % (host,ip) : "%s %s" % (key, comment) }
- self.pl_keys.update(rec)
+ node = self.delete(host)
+ #node = self.getNodes(host)
+ if node is not []:
+ ret = self._record_from_node(node[0])
+ (host, ip, key, comment) = ret
+ if ip == None:
+ self.updateDirect(host)
+ else:
+ rec = { "%s,%s" % (host,ip) : "%s %s" % (key, comment) }
+ self.pl_keys.update(rec)
+
+ def getNodes(self, host=None):
+ if type(host) == type(""): host = [host]
+
+ # get the node(s) info
+ nodes = self.api.GetNodes(self.auth,host,["hostname","ssh_rsa_key","nodenetwork_ids"])
+
+ # for each node's node network, update the self.nodenetworks cache
+ nodenetworks = []
+ for node in nodes:
+ for net in node["nodenetwork_ids"]:
+ nodenetworks.append(net)
+
+ plcnodenetworks = self.api.GetNodeNetworks(self.auth,nodenetworks,["nodenetwork_id","ip"])
+ for n in plcnodenetworks:
+ self.nodenetworks[n["nodenetwork_id"]]=n
+ return nodes
def _record_from_node(self, node, nokey_list=None):
host = node['hostname']
key = node['ssh_rsa_key']
- l_nw = plc.getNodeNetworks({'nodenetwork_id':node['nodenetwork_ids']})
- if len(l_nw) == 0:
- # No network for this node. So, skip it.
- return (host, None, None, None)
+ nodenetworks = node['nodenetwork_ids']
+ if len(nodenetworks)==0: return (host, None, None, None)
- ip = l_nw[0]['ip']
+ # the [0] subscript to node['nodenetwork_ids'] means
+ # that this function wont work with multihomed nodes
+ l_nw = self.nodenetworks.get(nodenetworks[0],None)
+ if l_nw is None: return (host, None, None, None)
+ ip = l_nw['ip']
if key == None:
if nokey_list is not None: nokey_list += [node]
key = key.strip()
# TODO: check for '==' at end of key.
- if key[-1] != '=':
+ if len(key) > 0 and key[-1] != '=':
print "Host with corrupt key! for %s %s" % (node['boot_state'], node['hostname'])
s_date = time.strftime("%Y/%m/%d_%H:%M:%S",time.gmtime(time.time()))
return (host, ip, key, "PlanetLab_%s" % s_date)
-def main():
+def main(hosts):
k = SSHKnownHosts()
- nokey_list = k.updateAll()
+ if len (hosts) > 0:
+ for host in hosts:
+ k.updateDirect(host)
+ else:
+ k.updateAll()
+ k.write()
- for node in nokey_list:
- print "%5s %s" % (node['boot_state'], node['hostname'])
-
if __name__ == '__main__':
- #main()
- k = SSHKnownHosts()
- #print "update"
- #k.update('planetlab-4.cs.princeton.edu')
- #print "updateDirect"
- k.update(sys.argv[1])
- #k.updateDirect(sys.argv[1])
- k.write()
+ main(sys.argv[1:])