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import json
import zmq
SOCKET_PATH = "ipc:///run/vyos-hostsd.sock"
class VyOSHostsdError(Exception):
pass
class Client(object):
def __init__(self):
try:
context = zmq.Context()
self.__socket = context.socket(zmq.REQ)
self.__socket.RCVTIMEO = 10000 #ms
self.__socket.setsockopt(zmq.LINGER, 0)
self.__socket.connect(SOCKET_PATH)
except zmq.error.Again:
raise VyOSHostsdError("Could not connect to vyos-hostsd")
def _communicate(self, msg):
try:
request = json.dumps(msg).encode()
self.__socket.send(request)
reply_msg = self.__socket.recv().decode()
reply = json.loads(reply_msg)
if 'error' in reply:
raise VyOSHostsdError(reply['error'])
else:
return reply["data"]
except zmq.error.Again:
raise VyOSHostsdError("Could not connect to vyos-hostsd")
def set_host_name(self, host_name, domain_name, search_domains):
msg = {
'type': 'host_name',
'op': 'set',
'data': {
'host_name': host_name,
'domain_name': domain_name,
'search_domains': search_domains
}
}
self._communicate(msg)
def add_hosts(self, tag, hosts):
msg = {'type': 'hosts', 'op': 'add', 'tag': tag, 'data': hosts}
self._communicate(msg)
def delete_hosts(self, tag):
msg = {'type': 'hosts', 'op': 'delete', 'tag': tag}
self._communicate(msg)
def add_name_servers(self, tag, servers):
msg = {'type': 'name_servers', 'op': 'add', 'tag': tag, 'data': servers}
self._communicate(msg)
def delete_name_servers(self, tag):
msg = {'type': 'name_servers', 'op': 'delete', 'tag': tag}
self._communicate(msg)
def get_name_servers(self, tag):
msg = {'type': 'name_servers', 'op': 'get', 'tag': tag}
return self._communicate(msg)
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