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Add DNS nameservers to networks

This commit is contained in:
Joshua Boniface 2019-12-08 23:32:03 -05:00
parent 9cb5561e77
commit 1fb560e996
6 changed files with 56 additions and 12 deletions
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8
client-api/api_lib/api.py
View File

@ -516,14 +516,14 @@ def net_list(limit=None):
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
def net_add(vni, description, nettype, domain,
def net_add(vni, description, nettype, domain, name_servers,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end):
"""
Add a virtual client network to the PVC cluster.
"""
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_network.add_network(zk_conn, vni, description, nettype, domain,
retflag, retdata = pvc_network.add_network(zk_conn, vni, description, nettype, domain, name_servers,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
if retflag:
@ -537,7 +537,7 @@ def net_add(vni, description, nettype, domain,
}
return flask.jsonify(output), retcode
def net_modify(vni, description, domain,
def net_modify(vni, description, domain, name_servers,
ip4_network, ip4_gateway,
ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end):
@ -545,7 +545,7 @@ def net_modify(vni, description, domain,
Modify a virtual client network in the PVC cluster.
"""
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_network.modify_network(zk_conn, vni, description, domain,
retflag, retdata = pvc_network.modify_network(zk_conn, vni, description, domain, name_servers,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
if retflag:

16
client-api/pvc-api.py
View File

@ -413,6 +413,12 @@ def api_net_root():
else:
domain = None
# Get network name servers
if 'name_server' in flask.request.values:
name_servers = flask.request.values.getlist('name_server')
else:
name_servers = None
# Get ipv4 network
if 'ip4_network' in flask.request.values:
ip4_network = flask.request.values['ip4_network']
@ -455,7 +461,7 @@ def api_net_root():
else:
dhcp4_end = None
return pvcapi.net_add(vni, description, nettype, domain,
return pvcapi.net_add(vni, description, nettype, domain, name_servers,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
@ -479,6 +485,12 @@ def api_net_element(network):
else:
domain = None
# Get network name servers
if 'name_server' in flask.request.values:
name_servers = flask.request.values.getlist('name_server')
else:
name_servers = None
# Get ipv4 network
if 'ip4_network' in flask.request.values:
ip4_network = flask.request.values['ip4_network']
@ -521,7 +533,7 @@ def api_net_element(network):
else:
dhcp4_end = None
return pvcapi.net_modify(network, description, domain,
return pvcapi.net_modify(network, description, domain, name_servers,
ip4_network, ip4_gateway,
ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)

18
client-cli/pvc.py
View File

@ -727,6 +727,11 @@ def cli_network():
default=None,
help='Domain name of the network.'
)
@click.option(
'--dns-server', 'name_servers',
multiple=True,
help='DNS nameserver for network'
)
@click.option(
'-i', '--ipnet', 'ip_network',
default=None,
@ -766,7 +771,7 @@ def cli_network():
@click.argument(
'vni'
)
def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end):
def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end, name_servers):
"""
Add a new virtual network with VXLAN identifier VNI to the cluster.
@ -788,7 +793,7 @@ def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_netwo
exit(1)
zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_network.add_network(zk_conn, vni, description, nettype, domain, ip_network, ip_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end)
retcode, retmsg = pvc_network.add_network(zk_conn, vni, description, nettype, domain, name_servers, ip_network, ip_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end)
cleanup(retcode, retmsg, zk_conn)
###############################################################################
@ -805,6 +810,11 @@ def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_netwo
default=None,
help='Domain name of the network.'
)
@click.option(
'--dns-server', 'name_servers',
multiple=True,
help='DNS nameserver for network'
)
@click.option(
'-i', '--ipnet', 'ip4_network',
default=None,
@ -844,7 +854,7 @@ def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_netwo
@click.argument(
'vni'
)
def net_modify(vni, description, domain, ip6_network, ip6_gateway, ip4_network, ip4_gateway, dhcp_flag, dhcp_start, dhcp_end):
def net_modify(vni, description, domain, name_servers, ip6_network, ip6_gateway, ip4_network, ip4_gateway, dhcp_flag, dhcp_start, dhcp_end):
"""
Modify details of virtual network VNI. All fields optional; only specified fields will be updated.
@ -853,7 +863,7 @@ def net_modify(vni, description, domain, ip6_network, ip6_gateway, ip4_network,
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_network.modify_network(zk_conn, vni, description=description, domain=domain, ip6_network=ip6_network, ip6_gateway=ip6_gateway, ip4_network=ip4_network, ip4_gateway=ip4_gateway, dhcp_flag=dhcp_flag, dhcp_start=dhcp_start, dhcp_end=dhcp_end)
retcode, retmsg = pvc_network.modify_network(zk_conn, vni, description=description, domain=domain, name_servers=name_servers, ip6_network=ip6_network, ip6_gateway=ip6_gateway, ip4_network=ip4_network, ip4_gateway=ip4_gateway, dhcp_flag=dhcp_flag, dhcp_start=dhcp_start, dhcp_end=dhcp_end)
cleanup(retcode, retmsg, zk_conn)
###############################################################################

8
client-common/network.py
View File

@ -134,6 +134,7 @@ def getNetworkInformation(zk_conn, vni):
description = zkhandler.readdata(zk_conn, '/networks/{}'.format(vni))
nettype = zkhandler.readdata(zk_conn, '/networks/{}/nettype'.format(vni))
domain = zkhandler.readdata(zk_conn, '/networks/{}/domain'.format(vni))
name_servers = zkhandler.readdata(zk_conn, '/networks/{}/name_servers'.format(vni))
ip6_network = zkhandler.readdata(zk_conn, '/networks/{}/ip6_network'.format(vni))
ip6_gateway = zkhandler.readdata(zk_conn, '/networks/{}/ip6_gateway'.format(vni))
dhcp6_flag = zkhandler.readdata(zk_conn, '/networks/{}/dhcp6_flag'.format(vni))
@ -149,6 +150,7 @@ def getNetworkInformation(zk_conn, vni):
'description': description,
'type': nettype,
'domain': domain,
'name_servers': name_servers.split(','),
'ip6': {
'network': ip6_network,
'gateway': ip6_gateway,
@ -223,7 +225,7 @@ def isValidIP(ipaddr):
# Direct functions
#
def add_network(zk_conn, vni, description, nettype,
domain, ip4_network, ip4_gateway, ip6_network, ip6_gateway,
domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end):
# Ensure start and end DHCP ranges are set if the flag is set
if dhcp4_flag and ( not dhcp4_start or not dhcp4_end ):
@ -254,6 +256,7 @@ def add_network(zk_conn, vni, description, nettype,
'/networks/{}'.format(vni): description,
'/networks/{}/nettype'.format(vni): nettype,
'/networks/{}/domain'.format(vni): domain,
'/networks/{}/name_servers'.format(vni): ','.join(name_servers),
'/networks/{}/ip6_network'.format(vni): ip6_network,
'/networks/{}/ip6_gateway'.format(vni): ip6_gateway,
'/networks/{}/dhcp6_flag'.format(vni): dhcp6_flag,
@ -278,6 +281,8 @@ def modify_network(zk_conn, vni, **parameters):
zk_data.update({'/networks/{}'.format(vni): parameters['description']})
if parameters['domain']:
zk_data.update({'/networks/{}/domain'.format(vni): parameters['domain']})
if parameters['name_servers']:
zk_data.update({'/networks/{}/name_servers'.format(vni): ','.join(parameters['name_servers'])})
if parameters['ip4_network']:
zk_data.update({'/networks/{}/ip4_network'.format(vni): parameters['ip4_network']})
if parameters['ip4_gateway']:
@ -644,6 +649,7 @@ def format_info(network_information, long_output):
ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['description']))
if network_information['type'] == 'managed':
ainformation.append('{}Domain:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['domain']))
ainformation.append('{}DNS Servers:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(network_information['name_servers'])))
if network_information['ip6']['network'] != "None":
ainformation.append('')
ainformation.append('{}IPv6 network:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip6']['network']))

6
node-daemon/pvcd/DNSAggregatorInstance.py
View File

@ -222,7 +222,11 @@ class DNSNetworkInstance(object):
(domain_id, network_domain, 'nsX.{d} root.{d} 1 10800 1800 86400 86400'.format(d=self.config['upstream_domain']), 'SOA', 86400, 0)
)
ns_servers = ['pvc-ns.{}'.format(self.config['upstream_domain'])]
if self.network.name_servers:
ns_servers = self.network.name_servers
else:
ns_servers = ['pvc-dns.{}'.format(self.config['upstream_domain'])]
for ns_server in ns_servers:
sql_curs.execute(
"""

12
node-daemon/pvcd/VXNetworkInstance.py
View File

@ -90,6 +90,7 @@ class VXNetworkInstance(object):
self.old_description = None
self.description = None
self.domain = None
self.name_servers = None
self.ip6_gateway = zkhandler.readdata(self.zk_conn, '/networks/{}/ip6_gateway'.format(self.vni))
self.ip6_network = zkhandler.readdata(self.zk_conn, '/networks/{}/ip6_network'.format(self.vni))
self.ip6_cidrnetmask = zkhandler.readdata(self.zk_conn, '/networks/{}/ip6_network'.format(self.vni)).split('/')[-1]
@ -180,6 +181,17 @@ add rule inet filter forward ip6 saddr {netaddr6} counter jump {vxlannic}-out
domain = data.decode('ascii')
self.domain = domain
@self.zk_conn.DataWatch('/networks/{}/name_servers'.format(self.vni))
def watch_network_name_servers(data, stat, event=''):
if event and event.type == 'DELETED':
# The key has been deleted after existing before; terminate this watcher
# because this class instance is about to be reaped in Daemon.py
return False
if data and self.name_servers != data.decode('ascii'):
name_servers = data.decode('ascii').split(',')
self.name_servers = name_servers
@self.zk_conn.DataWatch('/networks/{}/ip6_network'.format(self.vni))
def watch_network_ip6_network(data, stat, event=''):
if event and event.type == 'DELETED':