def read_confd(self):
rsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
ns = dhcpd_ns.ns
cdb.connect(rsock, cdb.READ_SOCKET, '127.0.0.1',
_confd.CONFD_PORT, '/')
cdb.start_session(rsock, cdb.RUNNING)
cdb.set_namespace(rsock, ns.hash)
default_lease_time = cdb.get(rsock, "/dhcp/defaultLeaseTime")
max_lease_time = cdb.get(rsock, "/dhcp/maxLeaseTime")
log_facility = cdb.get(rsock, "/dhcp/logFacility")
if log_facility == ns.dhcpd_kern:
log_facility_string = "log-facility kern"
if log_facility == ns. dhcpd_mail:
log_facility_string = "log-facility mail"
if log_facility == ns.dhcpd_local7:
log_facility_string = "log-facility local7"
self.fp = open("dhcpd.conf.tmp", "w")
self.fp.write("default-lease-time {dlt}\n"
"max-lease-time {mlt}\n"
"{lfs}\n".format(dlt=duration2secs(default_lease_time),
mlt=duration2secs(max_lease_time),
lfs=log_facility_string))
sub_nets = cdb.num_instances(
rsock,
"/dhcp/SubNets/subNet")
for i in range(0, sub_nets):
cdb.cd(rsock, "/dhcp/SubNets/subNet[{index}]".format(index=i))
self.do_subnet(rsock)
shared_networks = cdb.num_instances(
rsock,
"/dhcp/SharedNetworks/sharedNetwork"
)
for i in range(0, shared_networks):
sh_net = "/dhcp/SharedNetworks/sharedNetwork[{0}]".format(str(i))
network_name = cdb.get(
rsock,
sh_net + "/name"
)
self.fp.write("shared-network {0} {{\n".format(str(network_name)))
m = cdb.num_instances(
rsock,
sh_net + "/SubNets/subNet")
for j in range(0, m):
cdb.pushd(rsock, sh_net +
"/SubNets/subNet[{0}]".format(str(j)))
self.do_subnet(rsock)
cdb.popd(rsock)
self.fp.write("}\n")
self.fp.close()
return cdb.close(rsock)
def cb_action(self, uinfo, name, kp, input, output):
sub_points = []
cds = socket.socket()
cdb.connect(cds, cdb.DATA_SOCKET, CONFD_ADDR, confd.CONFD_PORT)
cdb.start_session(cds, cdb.OPERATIONAL)
if input.all.exists() or len(input.server) == 0:
num = cdb.num_instances(cds, SERVER_PATH)
for i in range(num):
sub_point = int(
cdb.get(cds,
"{}[{}]/subscription-id".format(SERVER_PATH, i)))
sub_points.append(sub_point)
cdb.end_session(cds)
cdb.trigger_subscriptions(cds, sub_points)
output.result = "Synchronized the configuration with all NETCONF servers"
else:
server_names = input.server
for server_name in server_names:
sub_point = int(
cdb.get(
cds, "{0}{{{1}}}/subscription-id".format(
SERVER_PATH, server_name)))
sub_points.append(sub_point)
cdb.end_session(cds)
cdb.trigger_subscriptions(cds, sub_points)
output.result = "Synchronized the configuration with {} NETCONF servers".format(
', '.join(server_names))
cds.close()
def __init__(self, prio=100, path='/'):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
self.path = path
self.prio = prio
cdb.connect(self.sock, cdb.SUBSCRIPTION_SOCKET, '127.0.0.1',
_confd.CONFD_PORT, self.path)
cdb.subscribe(self.sock, self.prio, dhcpd_ns.ns.hash, self.path)
cdb.subscribe_done(self.sock)
print("Subscribed to {path}".format(path=self.path))
def run():
log.info("==>")
# In C we use confd_init() which sets the debug-level, but for Python the
# call to confd_init() is done when we do 'import confd'.
# Therefore we need to set the ConfD debug level here (if we want it to be
# different from the default debug level - CONFD_SILENT):
_confd.set_debug(confd_debug_level, sys.stderr)
subsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
# maapi socket for load schemas
maapisock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
maapi.connect(maapisock, CONFD_ADDR, _confd.CONFD_PORT)
maapi.load_schemas(maapisock)
cdb.connect(subsock, cdb.SUBSCRIPTION_SOCKET, CONFD_ADDR, _confd.CONFD_PORT)
spoint = cdb.subscribe(subsock, 3, user_folders_ns.ns.hash, ROOT_PATH)
cdb.subscribe_done(subsock)
log.debug("Subscribed to path %s spoint=%i" % (ROOT_PATH, spoint))
log.info("CDB subscriber initialized!")
try:
_r = [subsock]
_w = []
_e = []
log.debug("subscok connected, starting ConfD loop")
while True:
(r, w, e) = select.select(_r, _w, _e, 1)
for rs in r:
log.debug("rs.fileno=%i subscok.fileno=%i" % (
rs.fileno(), subsock.fileno()))
if rs.fileno() == subsock.fileno():
log.debug("subsock triggered")
try:
process_subscriptions(spoint, subsock)
except _confd.error.Error as e:
if e.confd_errno is not _confd.ERR_EXTERNAL:
raise e
except KeyboardInterrupt:
print("\nCtrl-C pressed\n")
finally:
subsock.close()
log.info("<==")
def send_netconf_operation(op, sid, q):
crs = socket.socket()
cdb.connect(crs, cdb.DATA_SOCKET, CONFD_ADDR, confd.CONFD_PORT)
cds = socket.socket()
cdb.connect(cds, cdb.DATA_SOCKET, CONFD_ADDR, confd.CONFD_PORT)
cdb.start_session2(crs, cdb.RUNNING, 0)
cdb.start_session(cds, cdb.OPERATIONAL)
num = cdb.num_instances(crs, SERVER_PATH)
for i in range(num):
id = int(cdb.get(cds, "{}[{}]/subscription-id".format(SERVER_PATH, i)))
if id == sid:
break
if id != sid:
cds.close()
crs.close()
print("Subscription ID: {}".format(sid))
return
ipaddr = str(cdb.get(crs, "{}[{}]/remote-address".format(SERVER_PATH, i)))
port = str(cdb.get(crs, "{}[{}]/remote-port".format(SERVER_PATH, i)))
user = str(cdb.get(crs, "{}[{}]/username".format(SERVER_PATH, i)))
passwd = str(cdb.get(crs, "{}[{}]/password".format(SERVER_PATH, i)))
proc = subprocess.Popen(
"netconf-console --user={} --password={} --host={} --port={} -".format(
user, passwd, ipaddr, port),
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
cmd = op
output, errors = proc.communicate(input=cmd.encode('utf-8'))
proc.stdout.close()
proc.stderr.close()
reply = output.decode()
errstr = errors.decode()
if reply.find('<rpc-error>') != -1 or errstr != "":
q.put((reply, errstr))
cds.close()
crs.close()
def handle_netconf_server_list(lock):
crs = socket.socket()
cdb.connect(crs, cdb.DATA_SOCKET, CONFD_ADDR, confd.CONFD_PORT)
cds = socket.socket()
cdb.connect(cds, cdb.DATA_SOCKET, CONFD_ADDR, confd.CONFD_PORT)
css = socket.socket()
cdb.connect(css, cdb.SUBSCRIPTION_SOCKET, CONFD_ADDR, confd.PORT)
cdb.start_session2(crs, cdb.RUNNING, lock)
cdb.start_session(cds, cdb.OPERATIONAL)
num = cdb.num_instances(crs, SERVER_PATH)
for i in range(num):
sub_path = str(
cdb.get(crs, "{}[{}]/subscription-path".format(SERVER_PATH, i)))
sub_prio = int(
cdb.get(crs, "{}[{}]/subscription-priority".format(SERVER_PATH,
i)))
sid = cdb.subscribe2(css, cdb.SUB_RUNNING_TWOPHASE,
cdb.SUB_WANT_ABORT_ON_ABORT, sub_prio, 0,
sub_path)
cdb.set_elem(cds, str(sid),
"{}[{}]/subscription-id".format(SERVER_PATH, i))
cds.close()
server_prio = int(cdb.get(crs, "{}/server-priority".format(CLIENT_PATH)))
server_sid = cdb.subscribe(css, server_prio, 0, SERVER_PATH)
crs.close()
cdb.subscribe_done(css)
return css, server_sid
def run():
""" Main subscriber thread execution. """
confd_addr = '127.0.0.1'
confd_port = _confd.PORT
_confd.set_debug(_confd.SILENT, sys.stderr)
sub_path = "/system/ip/route"
# MAAPI socket to load schemas for a nicer print() calls
maapi_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
maapi.connect(maapi_sock, confd_addr, confd_port, sub_path)
maapi.load_schemas(maapi_sock)
# socket for subscription data iteration
data_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
cdb.connect(data_sock, cdb.DATA_SOCKET, confd_addr, confd_port, sub_path)
# tailf:cdb-oper subscription socket
oper_sub_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
cdb.connect(oper_sub_sock, cdb.SUBSCRIPTION_SOCKET, confd_addr, confd_port,
sub_path)
oper_sub_point = cdb.oper_subscribe(oper_sub_sock, routes_ns.ns.hash,
sub_path)
cdb.subscribe_done(oper_sub_sock)
try:
read_list = [oper_sub_sock]
write_list = []
error_list = []
print('entering poll loop')
while True:
read_socks = select.select(read_list, write_list, error_list, 1)[0]
for rs in read_socks:
# process only our cdb-oper subscription socket here...
if rs.fileno() is not oper_sub_sock.fileno():
continue
try:
sub_points = cdb.read_subscription_socket(oper_sub_sock)
for s in sub_points:
if s != oper_sub_point:
continue
print("CDB operational subscription point triggered")
cdb.start_session(data_sock, cdb.OPERATIONAL)
cdb.set_namespace(data_sock, routes_ns.ns.hash)
cdb.diff_iterate(oper_sub_sock, oper_sub_point,
iterate_changes, 0, None)
cdb.end_session(data_sock)
cdb.sync_subscription_socket(oper_sub_sock,
cdb.DONE_OPERATIONAL)
except _confd.error.Error as e:
if e.confd_errno is not _confd.ERR_EXTERNAL:
raise e
except KeyboardInterrupt:
print("\nCtrl-C pressed\n")
finally:
data_sock.close()
oper_sub_sock.close()
def run():
log.info("==>")
# In C we use confd_init() which sets the debug-level, but for Python the
# call to confd_init() is done when we do 'import confd'.
# Therefore we need to set the ConfD debug level here (if we want it to be
# different from the default debug level - CONFD_SILENT):
_confd.set_debug(confd_debug_level, sys.stderr)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
subsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
# maapi socket for load schemas
maapisock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
maapi.connect(maapisock, CONFD_ADDR, _confd.CONFD_PORT)
maapi.load_schemas(maapisock)
cdb.connect(sock, cdb.DATA_SOCKET, CONFD_ADDR, _confd.CONFD_PORT)
sub_path = "/root/NodeB/RFHead"
cdb.connect(subsock, cdb.SUBSCRIPTION_SOCKET, CONFD_ADDR,
_confd.CONFD_PORT)
spoint = cdb.subscribe(subsock, 3, root_ns.ns.hash, sub_path)
cdb.subscribe_done(subsock)
log.debug("Subscribed to path %s spoint=%i" % (sub_path, spoint))
read_db(sock)
try:
_r = [subsock]
_w = []
_e = []
log.debug("subscok connected, starting ConfD loop")
while (True):
(r, w, e) = select.select(_r, _w, _e, 1)
# log.debug("select triggered r=%r" % r)
for rs in r:
log.debug("rs.fileno=%i subscok.fileno=%i" %
(rs.fileno(), subsock.fileno()))
if rs.fileno() == subsock.fileno():
log.debug("subsock triggered")
try:
sub_points = cdb.read_subscription_socket(subsock)
for s in sub_points:
if s == spoint:
log.debug("our spoint=%i triggered" % spoint)
cdb.start_session(sock, cdb.RUNNING)
cdb.set_namespace(sock, root_ns.ns.hash)
cdb.diff_iterate(subsock, spoint, iter,
_confd.ITER_WANT_PREV, sock)
cdb.end_session(sock)
# variant with diff_match not yet available
# in python
cdb.sync_subscription_socket(
subsock, cdb.DONE_PRIORITY)
except (_confd.error.Error) as e:
if e.confd_errno is not _confd.ERR_EXTERNAL:
raise e
except KeyboardInterrupt:
print("\nCtrl-C pressed\n")
finally:
sock.close()
subsock.close()
log.info("<==")
