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vsphere-automation-sdk-python/samples/vmc/networks/nat_rule_crud.py

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#!/usr/bin/env python
"""
* *******************************************************
* Copyright (c) VMware, Inc. 2018. 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.vmc.model_client import *
from tabulate import tabulate
from vmware.vapi.vmc.client import create_vmc_client
class NatRuleCrud(object):
"""
Demonstrates NAT rule CRUD operations
Sample Prerequisites:
- An organization associated with the calling user.
- A SDDC in the organization
"""
def __init__(self):
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-r', '--refresh-token',
required=True,
help='VMware Cloud API refresh token')
parser.add_argument('-o', '--org-id',
required=True,
help='Organization identifier.')
parser.add_argument('-s', '--sddc-id',
required=True,
help='Sddc Identifier.')
parser.add_argument('--public-ip',
help='Public IP range for the NAT rule')
parser.add_argument('--rule-description',
default='Sample NAT rule',
help='Description for the rule')
parser.add_argument('--internal-ip',
default='192.168.200.1/24',
help='NAT rule subnet')
parser.add_argument('-c', '--cleardata',
action='store_true',
help='Clean up after sample run')
args = parser.parse_args()
self.network_id = None
self.edge_id = None
self.rule_id = None
self.org_id = args.org_id
self.sddc_id = args.sddc_id
self.public_ip = args.public_ip
self.internal_ip = args.internal_ip
self.rule_description = args.rule_description
self.internal_ip = args.internal_ip
self.cleanup = args.cleardata
self.vmc_client = create_vmc_client(args.refresh_token)
def setup(self):
# Check if the organization exists
orgs = self.vmc_client.Orgs.list()
if self.org_id not in [org.id for org in orgs]:
raise ValueError("Org with ID {} doesn't exist".format(self.org_id))
# Check if the SDDC exists
sddcs = self.vmc_client.orgs.Sddcs.list(self.org_id)
if self.sddc_id not in [sddc.id for sddc in sddcs]:
raise ValueError("SDDC with ID {} doesn't exist in org {}".
format(self.sddc_id, self.org_id))
edges = self.vmc_client.orgs.sddcs.networks.Edges.get(
org=self.org_id,
sddc=self.sddc_id,
edge_type='gatewayServices').edge_page.data
print('\n# Setup: Compute Gateway ID: {}'.format(edges[1].id))
self.edge_id = edges[1].id
# Delete NAT rules with same name
rules = self.get_nat_rules_by_description(self.rule_description)
for rule in rules:
self.vmc_client.orgs.sddcs.networks.edges.nat.config.Rules.delete(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id,
rule_id=rule.rule_id)
print('\n# Setup: NAT Rule "{}" '
'with the same name is deleted'.format(rule.description))
def create_net_rule(self):
print('\n# Example: Add a NAT rule to the compute gateway')
# Construct a new NSX NAT rule spec
rule = Nsxnatrule(vnic='0',
rule_type='user',
action='dnat', # Supported types are DNAT|SNAT
protocol='tcp',
description=self.rule_description,
original_address=self.public_ip,
original_port='443',
translated_address=self.internal_ip,
translated_port='443',
enabled=True)
self.vmc_client.orgs.sddcs.networks.edges.nat.config.Rules.add(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id,
nat_rules=NatRules([rule]))
print('\n# New NAT rule "{}" is added'.format(self.rule_description))
def get_net_rule(self):
print('\n# Example: List all NAT rules')
rules = self.vmc_client.orgs.sddcs.networks.edges.nat.Config.get(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id).rules.nat_rules_dtos
self.print_output(rules)
def update_net_rule(self):
print("\n# Example: Update the NAT rule")
rule = self.get_nat_rules_by_description(self.rule_description)[0]
rule.Description = 'Updated' + self.rule_description
rule.original_port = 'any'
self.vmc_client.orgs.sddcs.networks.edges.nat.config.Rules.update(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id,
rule_id=rule.rule_id,
nsxnatrule=rule)
self.rule_id = rule.rule_id
print('# List the updated NAT rule specs')
rule = self.get_nat_rules_by_description(self.rule_description)[0]
self.print_output([rule])
def delete_net_rule(self):
if self.cleanup:
self.vmc_client.orgs.sddcs.networks.edges.nat.config.Rules.delete(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id,
rule_id=self.rule_id)
print('\n# Example: NAT rule "{}" is deleted'.
format(self.rule_description))
def get_nat_rules_by_description(self, description):
rules = self.vmc_client.orgs.sddcs.networks.edges.nat.Config.get(
org=self.org_id,
sddc=self.sddc_id,
edge_id=self.edge_id).rules.nat_rules_dtos
result = []
for rule in rules:
if rule.description == description:
result.append(rule)
return result
def print_output(self, rules):
table = []
for rule in rules:
table.append([rule.description, rule.rule_id, rule.action,
rule.original_address, rule.original_port,
rule.translated_address, rule.translated_port])
print(tabulate(table, ['Description', 'Rule ID', 'Action',
'Public IP', 'Public Ports',
'Internal IP', 'Internal Ports']))
def main():
net_rule_crud = NatRuleCrud()
net_rule_crud.setup()
net_rule_crud.create_net_rule()
net_rule_crud.get_net_rule()
net_rule_crud.update_net_rule()
net_rule_crud.delete_net_rule()
if __name__ == '__main__':
main()