+ def _split_kh_entry(self, line):
+ s = line.split(' ')
+ try:
+ (host,ip) = s[0].split(',')
+ except:
+ ip = s[0]
+ host = ""
+
+ key = ' '.join(s[1:3])
+ comment = ' '.join(s[3:])
+ return (host, ip, key, comment)
+
+ def _get_index(self, host, ip):
+ index = ""
+ if host is not "":
+ index = "%s,%s" % (host,ip)
+ else:
+ index = ip
+ return index
+
+ def read_knownhosts(self):
+ kh_read = open(self.args["known_hosts"], 'r')
+ self.pl_keys = {}
+ self.other_keys = {}
+ for line in kh_read:
+ (host, ip, key, comment) = self._split_kh_entry(line[:-1])
+ rec = { self._get_index(host, ip) : "%s %s" % (key, comment) }
+ if 'PlanetLab' in comment:
+ self.pl_keys.update(rec)
+ else:
+ self.other_keys.update(rec)
+
+ #for i in self.pl_keys:
+ # print i
+ # print self.pl_keys[i]
+
+ return
+
+ def write(self):
+ self.write_knownhosts()
+
+ def write_knownhosts(self):
+ f = open(self.args['known_hosts'], 'w')
+ for index in self.pl_keys:
+ print >>f, "%s %s" % (index, self.pl_keys[index])
+ for index in self.other_keys:
+ print >>f, "%s %s" % (index, self.other_keys[index])
+ f.close()
+
+ def updateAll(self):
+ l_nodes = self.getNodes()
+ d_nodes = {}
+ nokey_list = []
+ for node in l_nodes:
+ name = node['hostname']
+ d_nodes[name] = node
+
+ for host in d_nodes:
+ node = d_nodes[host]
+ (host, ip, key, comment) = self._record_from_node(node, nokey_list)
+ rec = { "%s,%s" % (host,ip) : "%s %s" % (key, comment) }
+ self.pl_keys.update(rec)
+
+ return nokey_list
+
+ def delete(self, host):
+ 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 = self.getNodes(host)
+ (host2, ip2, x, x) = self._record_from_node(node[0])
+ rec = { self._get_index(host2, ip2) : "%s %s" % (key, "DIRECT") }
+
+ self.delete(host)
+ self.other_keys.update(rec)
+
+ def update(self, host):
+ 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']