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Merge pull request #171 from chandrashekh-vmw/master

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Examples for L3VPN CRUD operations
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Tianhao He 2019-07-26 21:18:59 +08:00 committed by GitHub
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#!/usr/bin/env python
"""
* *******************************************************
* Copyright (c) VMware, Inc. 2019. All Rights Reserved.
* SPDX-License-Identifier: MIT
* *******************************************************
*
* DISCLAIMER. THIS PROGRAM IS PROVIDED TO YOU "AS IS" WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, WHETHER ORAL OR WRITTEN,
* EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY DISCLAIMS ANY IMPLIED
* WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY,
* NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE.
"""
__author__ = 'VMware, Inc.'
import argparse
from com.vmware.nsx_policy_client_for_vmc import create_nsx_policy_client_for_vmc
from vmware.vapi.bindings.struct import PrettyPrinter as NsxPrettyPrinter
from com.vmware.nsx_policy.model_client import ApiError
from com.vmware.nsx_policy.model_client import L3VpnSubnet
from com.vmware.nsx_policy.model_client import RouteBasedL3VpnSession
from com.vmware.nsx_policy.model_client import PolicyBasedL3VpnSession
from com.vmware.nsx_policy.model_client import L3VpnSession
from com.vmware.nsx_policy.model_client import L3VpnRule
from com.vmware.nsx_policy.model_client import BgpNeighborConfig
from com.vmware.nsx_policy.model_client import TunnelSubnet
from com.vmware.nsx_policy.model_client import L3Vpn
# format NSXT objects for readability
nsx_pp = NsxPrettyPrinter()
class NSXPolicyL3VPN(object):
"""
e.g. Demonstrate access to NSX Policy Manager and show
L3VPN CRUD operations
"""
def __init__(self):
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--refresh_token',
required=True,
help='Refresh token obtained from CSP')
parser.add_argument('--org_id',
required=True,
help='Orgization ID')
parser.add_argument('--sddc_id',
required=True,
help='Sddc ID')
parser.add_argument('--remote_endpoint_public_ip',
required=True,
help='L3 VPN Remote end point\'s public ip')
parser.add_argument('--passphrase',
required=True,
help='Passphrase used for VPN')
self.args = parser.parse_args()
self.nsx_client = create_nsx_policy_client_for_vmc(
refresh_token=self.args.refresh_token,
org_id=self.args.org_id,
sddc_id=self.args.sddc_id)
def get_l3_vpn_context(self):
print(' Get L3VPN Context '.center(70, '='))
try:
context = self.nsx_client.infra.tier_0s.locale_services.L3vpnContext.get("vmc", "default")
nsx_pp.pprint(context)
return context
except Exception as ex:
print(ex)
self.log_error(ex)
def create_policy_based_l3_vpn(self, vpn_id):
print(' Create policy based L3VPN '.center(70, '='))
try:
context = self.get_l3_vpn_context()
local_end_point_ip = context.available_local_addresses[0].address_value
print("local_end_point_ip={}".format(local_end_point_ip))
destination_subnet = [L3VpnSubnet(subnet="10.3.0.0/16")] # Value should be per the user setup config
source_subnet = [L3VpnSubnet(subnet="10.2.0.0/16")] # Value should be per the user setup config
self.l3vpn_rule = L3VpnRule(
revision=0,
description="rule 1",
display_name="rule1",
resource_type=L3VpnSession.RESOURCE_TYPE_POLICYBASEDL3VPNSESSION,
action=L3VpnRule.ACTION_PROTECT,
destinations=destination_subnet,
sequence_number=0,
id="rule-" + vpn_id,
sources=source_subnet)
l3vpn_session = PolicyBasedL3VpnSession(resource_type=L3VpnSession.RESOURCE_TYPE_POLICYBASEDL3VPNSESSION,
rules=[self.l3vpn_rule])
self.l3VPN = L3Vpn(
revision=0,
id=vpn_id,
description="Example policy based L3VPN",
display_name="Example policy based L3VPN",
resource_type=L3VpnSession.RESOURCE_TYPE_POLICYBASEDL3VPNSESSION,
dh_groups=[L3Vpn.DH_GROUPS_GROUP14],
enable_perfect_forward_secrecy=True,
enabled=True,
ike_digest_algorithms=[L3Vpn.IKE_DIGEST_ALGORITHMS_SHA1], # Value should be per the user setup config
ike_encryption_algorithms=[L3Vpn.IKE_ENCRYPTION_ALGORITHMS_128],
# Value should be per the user setup config
ike_version=L3Vpn.IKE_VERSION_V1, # Value should be per the user setup config
l3vpn_session=l3vpn_session,
local_address=local_end_point_ip,
passphrases=[self.args.passphrase],
remote_public_address=self.args.remote_endpoint_public_ip,
tunnel_digest_algorithms=[L3Vpn.TUNNEL_DIGEST_ALGORITHMS_SHA1],
# Value should be per the user setup config
tunnel_encryption_algorithms=[L3Vpn.TUNNEL_ENCRYPTION_ALGORITHMS_128]
# Value should be per the user setup config
)
self.nsx_client.infra.tier_0s.locale_services.L3vpns.patch("vmc", "default",
l3vpn_id=vpn_id, l3_vpn=self.l3VPN)
except Exception as ex:
print(ex)
self.log_error(ex)
def create_route_based_l3_vpn(self, vpn_id):
print(' Create route based L3VPN '.center(70, '='))
try:
context = self.get_l3_vpn_context()
local_end_point_ip = context.available_local_addresses[0].address_value
print("local_end_point_ip={}".format(local_end_point_ip))
tunnel_subnet = TunnelSubnet(ip_addresses=["169.254.2.1"], # Value should be per the user setup config
prefix_length=24) # Value should be per the user setup config
bgpconfig1 = BgpNeighborConfig(links=None,
description="bgp neighbor config",
display_name="bgp_neighbor_config_1",
id="bgp_neighbor_config_1",
neighbor_address="169.254.2.2", # Value should be per the user setup config
remote_as_num=str(65002)) # Value should be per the user setup config
self.nsx_client.infra.tier_0s.locale_services.bgp.Neighbors.patch(tier0_id="vmc",
locale_service_id="default",
neighbor_id="rb_neighbor_1",
bgp_neighbor_config=bgpconfig1)
neighbor_list = self.nsx_client.infra.tier_0s.locale_services.bgp.Neighbors.list(tier0_id="vmc",
locale_service_id="default"
)
print("List of neighbors={}".format(neighbor_list))
get_neighbhor = self.nsx_client.infra.tier_0s.locale_services.bgp.Neighbors.get(
tier0_id="vmc", locale_service_id="default", neighbor_id="rb_neighbor_1")
print("get_neighbhor={}".format(get_neighbhor))
l3vpn_session = RouteBasedL3VpnSession(routing_config_path=get_neighbhor.path,
tunnel_subnets=[
tunnel_subnet],
resource_type=L3VpnSession.RESOURCE_TYPE_ROUTEBASEDL3VPNSESSION)
self.l3VPN = L3Vpn(
revision=0,
id=vpn_id,
description="vpn config from automation",
display_name="Example route based L3VPN",
resource_type=L3VpnSession.RESOURCE_TYPE_ROUTEBASEDL3VPNSESSION,
dh_groups=[L3Vpn.DH_GROUPS_GROUP14],
enable_perfect_forward_secrecy=True,
enabled=True, # To enabel/disable the VPN
ike_digest_algorithms=[L3Vpn.IKE_DIGEST_ALGORITHMS_SHA1], # Value should be per the user setup config
ike_encryption_algorithms=[L3Vpn.IKE_ENCRYPTION_ALGORITHMS_128],
# Value should be per the user setup config
ike_version=L3Vpn.IKE_VERSION_V1, # Value should be per the user setup config
l3vpn_session=l3vpn_session,
local_address=local_end_point_ip,
passphrases=[self.args.passphrase],
remote_public_address=self.args.remote_endpoint_public_ip,
tunnel_digest_algorithms=[L3Vpn.TUNNEL_DIGEST_ALGORITHMS_SHA1],
# Value should be per the user setup config
tunnel_encryption_algorithms=[L3Vpn.TUNNEL_ENCRYPTION_ALGORITHMS_128]
# Value should be per the user setup config
)
self.nsx_client.infra.tier_0s.locale_services.L3vpns.patch("vmc", "default",
l3vpn_id=vpn_id, l3_vpn=self.l3VPN)
except Exception as ex:
print(ex)
self.log_error(ex)
def list_l3_vpns(self):
print(' List L3VPN '.center(70, '='))
try:
list_of_vpns = self.nsx_client.infra.tier_0s.locale_services.L3vpns.list("vmc", "default")
for vpn_entry in list_of_vpns.results:
nsx_pp.pprint(vpn_entry)
except Exception as ex:
print(ex)
self.log_error(ex)
def get_l3_vpn(self, vpn_id):
print(' Get L3VPN '.center(70, '='))
try:
vpn_entry = self.nsx_client.infra.tier_0s.locale_services.L3vpns.get("vmc", "default", vpn_id)
nsx_pp.pprint(vpn_entry)
except Exception as ex:
print(ex)
self.log_error(ex)
def delete_l3vpn(self, vpn_id):
print(' Delete L3VPN '.center(70, '='))
try:
self.nsx_client.infra.tier_0s.locale_services.L3vpns.delete("vmc", "default", vpn_id)
except Exception as ex:
print(ex)
self.log_error(ex)
def delete_bgp_neighbor(self, neighbor_id):
print(' Delete BGP Neighbor '.center(70, '='))
try:
self.nsx_client.infra.tier_0s.locale_services.bgp.Neighbors.delete(tier0_id="vmc",
locale_service_id="default",
neighbor_id=neighbor_id)
except Exception as ex:
print(ex)
self.log_error(ex)
def log_error(self, ex):
"""
Generic error logger that will use NSXT API Error message decoders for
more descriptive information on errors
"""
api_error = ex.data.convert_to(ApiError)
print("Error configuring {}".format(api_error.error_message))
print("{}".format(api_error.__dict__))
print("{}".format(api_error.details))
def run_policy_based_vpn(self):
self.create_policy_based_l3_vpn(vpn_id="example_policy_vpn_1")
self.list_l3_vpns()
self.get_l3_vpn(vpn_id="example_policy_vpn_1")
def cleanup_policy_based_vpn(self):
self.delete_l3vpn(vpn_id="example_policy_vpn_1")
def run_route_based_vpn(self):
self.create_route_based_l3_vpn(vpn_id="example_route_vpn_1")
self.list_l3_vpns()
self.get_l3_vpn(vpn_id="example_route_vpn_1")
def cleanup_route_based_vpn(self):
self.delete_bgp_neighbor(neighbor_id="rb_neighbor_1")
self.delete_l3vpn(vpn_id="example_route_vpn_1")
def main():
nsx = NSXPolicyL3VPN()
nsx.run_policy_based_vpn()
nsx.cleanup_policy_based_vpn()
nsx.run_route_based_vpn()
nsx.cleanup_route_based_vpn()
if __name__ == '__main__':
main()