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Module for modifying firewall rules in vcloud or vcd

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Benno Joy 2015-07-23 15:46:27 +05:30
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commit 71e08d6c3f
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cloud/vmware/vca_fw.py Normal file
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#!/usr/bin/python
# Copyright (c) 2015 VMware, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
DOCUMENTATION = '''
---
module: vca_fw
short_description: add remove firewall rules in a gateway in a vca
description:
- Adds or removes firewall rules from a gateway in a vca environment
version_added: "2.0"
options:
username:
version_added: "2.0"
description:
- The vca username or email address, if not set the environment variable VCA_USER is checked for the username.
required: false
default: None
password:
version_added: "2.0"
description:
- The vca password, if not set the environment variable VCA_PASS is checked for the password
required: false
default: None
org:
version_added: "2.0"
description:
- The org to login to for creating vapp, mostly set when the service_type is vdc.
required: false
default: None
service_id:
version_added: "2.0"
description:
- The service id in a vchs environment to be used for creating the vapp
required: false
default: None
host:
version_added: "2.0"
description:
- The authentication host to be used when service type is vcd.
required: false
default: None
api_version:
version_added: "2.0"
description:
- The api version to be used with the vca
required: false
default: "5.7"
service_type:
version_added: "2.0"
description:
- The type of service we are authenticating against
required: false
default: vca
choices: [ "vca", "vchs", "vcd" ]
state:
version_added: "2.0"
description:
- if the object should be added or removed
required: false
default: present
choices: [ "present", "absent" ]
verify_certs:
version_added: "2.0"
description:
- If the certificates of the authentication is to be verified
required: false
default: True
vdc_name:
version_added: "2.0"
description:
- The name of the vdc where the gateway is located.
required: false
default: None
gateway_name:
version_added: "2.0"
description:
- The name of the gateway of the vdc where the rule should be added
required: false
default: gateway
fw_rules:
version_added: "2.0"
description:
- A list of firewall rules to be added to the gateway, Please see examples on valid entries
required: True
default: false
'''
EXAMPLES = '''
#Add a set of firewall rules
- hosts: localhost
connection: local
tasks:
- vca_fw:
instance_id: 'b15ff1e5-1024-4f55-889f-ea0209726282'
vdc_name: 'benz_ansible'
state: 'absent'
fw_rules:
- description: "ben testing"
source_ip: "Any"
dest_ip: 192.168.2.11
- description: "ben testing 2"
source_ip: 192.168.2.100
source_port: "Any"
dest_port: "22"
dest_ip: 192.168.2.13
is_enable: "true"
enable_logging: "false"
protocol: "Tcp"
policy: "allow"
'''
import time, json, xmltodict
HAS_PYVCLOUD = False
try:
from pyvcloud.vcloudair import VCA
from pyvcloud.schema.vcd.v1_5.schemas.vcloud.networkType import ProtocolsType
HAS_PYVCLOUD = True
except ImportError:
pass
SERVICE_MAP = {'vca': 'ondemand', 'vchs': 'subscription', 'vcd': 'vcd'}
LOGIN_HOST = {}
LOGIN_HOST['vca'] = 'vca.vmware.com'
LOGIN_HOST['vchs'] = 'vchs.vmware.com'
VALID_RULE_KEYS = ['policy', 'is_enable', 'enable_logging', 'description', 'dest_ip', 'dest_port', 'source_ip', 'source_port', 'protocol']
def vca_login(module=None):
service_type = module.params.get('service_type')
username = module.params.get('username')
password = module.params.get('password')
instance = module.params.get('instance_id')
org = module.params.get('org')
service = module.params.get('service_id')
vdc_name = module.params.get('vdc_name')
version = module.params.get('api_version')
verify = module.params.get('verify_certs')
if not vdc_name:
if service_type == 'vchs':
vdc_name = module.params.get('service_id')
if not org:
if service_type == 'vchs':
if vdc_name:
org = vdc_name
else:
org = service
if service_type == 'vcd':
host = module.params.get('host')
else:
host = LOGIN_HOST[service_type]
if not username:
if 'VCA_USER' in os.environ:
username = os.environ['VCA_USER']
if not password:
if 'VCA_PASS' in os.environ:
password = os.environ['VCA_PASS']
if not username or not password:
module.fail_json(msg = "Either the username or password is not set, please check")
if service_type == 'vchs':
version = '5.6'
if service_type == 'vcd':
if not version:
version == '5.6'
vca = VCA(host=host, username=username, service_type=SERVICE_MAP[service_type], version=version, verify=verify)
if service_type == 'vca':
if not vca.login(password=password):
module.fail_json(msg = "Login Failed: Please check username or password", error=vca.response.content)
if not vca.login_to_instance(password=password, instance=instance, token=None, org_url=None):
s_json = serialize_instances(vca.instances)
module.fail_json(msg = "Login to Instance failed: Seems like instance_id provided is wrong .. Please check",\
valid_instances=s_json)
if not vca.login_to_instance(instance=instance, password=None, token=vca.vcloud_session.token,
org_url=vca.vcloud_session.org_url):
module.fail_json(msg = "Error logging into org for the instance", error=vca.response.content)
return vca
if service_type == 'vchs':
if not vca.login(password=password):
module.fail_json(msg = "Login Failed: Please check username or password", error=vca.response.content)
if not vca.login(token=vca.token):
module.fail_json(msg = "Failed to get the token", error=vca.response.content)
if not vca.login_to_org(service, org):
module.fail_json(msg = "Failed to login to org, Please check the orgname", error=vca.response.content)
return vca
if service_type == 'vcd':
if not vca.login(password=password, org=org):
module.fail_json(msg = "Login Failed: Please check username or password or host parameters")
if not vca.login(password=password, org=org):
module.fail_json(msg = "Failed to get the token", error=vca.response.content)
if not vca.login(token=vca.token, org=org, org_url=vca.vcloud_session.org_url):
module.fail_json(msg = "Failed to login to org", error=vca.response.content)
return vca
def validate_fw_rules(module=None, fw_rules=None):
VALID_PROTO = ['Tcp', 'Udp', 'Icmp', 'Any']
for rule in fw_rules:
if not isinstance(rule, dict):
module.fail_json(msg="Firewall rules must be a list of dictionaries, Please check", valid_keys=VALID_RULE_KEYS)
for k in rule.keys():
if k not in VALID_RULE_KEYS:
module.fail_json(msg="%s is not a valid key in fw rules, Please check above.." %k, valid_keys=VALID_RULE_KEYS)
rule['dest_port'] = rule.get('dest_port', 'Any')
rule['dest_ip'] = rule.get('dest_ip', 'Any')
rule['source_port'] = rule.get('source_port', 'Any')
rule['source_ip'] = rule.get('source_ip', 'Any')
rule['protocol'] = rule.get('protocol', 'Any')
rule['policy'] = rule.get('policy', 'allow')
rule['is_enable'] = rule.get('is_enable', 'true')
rule['enable_logging'] = rule.get('enable_logging', 'false')
rule['description'] = rule.get('description', 'rule added by Ansible')
if not rule['protocol'] in VALID_PROTO:
module.fail_json(msg="the value in protocol is not valid, valid values are as above", valid_proto=VALID_PROTO)
return fw_rules
def create_protocol_list(protocol):
plist = []
plist.append(protocol.get_Tcp())
plist.append(protocol.get_Any())
plist.append(protocol.get_Tcp())
plist.append(protocol.get_Udp())
plist.append(protocol.get_Icmp())
plist.append(protocol.get_Other())
return plist
def create_protocols_type(protocol):
all_protocols = {"Tcp": None, "Udp": None, "Icmp": None, "Any": None}
all_protocols[protocol] = True
return ProtocolsType(**all_protocols)
def main():
module = AnsibleModule(
argument_spec=dict(
username = dict(default=None),
password = dict(default=None),
org = dict(default=None),
service_id = dict(default=None),
instance_id = dict(default=None),
host = dict(default=None),
api_version = dict(default='5.7'),
service_type = dict(default='vca', choices=['vchs', 'vca', 'vcd']),
state = dict(default='present', choices = ['present', 'absent']),
vdc_name = dict(default=None),
gateway_name = dict(default='gateway'),
fw_rules = dict(required=True, default=None, type='list'),
)
)
vdc_name = module.params.get('vdc_name')
org = module.params.get('org')
service = module.params.get('service_id')
state = module.params.get('state')
service_type = module.params.get('service_type')
host = module.params.get('host')
instance_id = module.params.get('instance_id')
fw_rules = module.params.get('fw_rules')
gateway_name = module.params.get('gateway_name')
verify_certs = dict(default=True, type='bool'),
if not HAS_PYVCLOUD:
module.fail_json(msg="python module pyvcloud is needed for this module")
if service_type == 'vca':
if not instance_id:
module.fail_json(msg="When service type is vca the instance_id parameter is mandatory")
if not vdc_name:
module.fail_json(msg="When service type is vca the vdc_name parameter is mandatory")
if service_type == 'vchs':
if not service:
module.fail_json(msg="When service type vchs the service_id parameter is mandatory")
if not org:
org = service
if not vdc_name:
vdc_name = service
if service_type == 'vcd':
if not host:
module.fail_json(msg="When service type is vcd host parameter is mandatory")
vca = vca_login(module)
vdc = vca.get_vdc(vdc_name)
if not vdc:
module.fail_json(msg = "Error getting the vdc, Please check the vdc name")
mod_rules = validate_fw_rules(module, fw_rules)
gateway = vca.get_gateway(vdc_name, gateway_name)
if not gateway:
module.fail_json(msg="Not able to find the gateway %s, please check the gateway_name param" %gateway_name)
rules = gateway.get_fw_rules()
existing_rules = []
del_rules = []
for rule in rules:
current_trait = (create_protocol_list(rule.get_Protocols()),
rule.get_DestinationPortRange(),
rule.get_DestinationIp(),
rule.get_SourcePortRange(),
rule.get_SourceIp())
for idx, val in enumerate(mod_rules):
trait = (create_protocol_list(create_protocols_type(val['protocol'])),
val['dest_port'], val['dest_ip'], val['source_port'], val['source_ip'])
if current_trait == trait:
del_rules.append(mod_rules[idx])
mod_rules.pop(idx)
existing_rules.append(current_trait)
if state == 'absent':
if len(del_rules) < 1:
module.exit_json(changed=False, msg="Nothing to delete", delete_rules=mod_rules)
else:
for i in del_rules:
gateway.delete_fw_rule(i['protocol'], i['dest_port'], i['dest_ip'], i['source_port'], i['source_ip'])
task = gateway.save_services_configuration()
if not task:
module.fail_json(msg="Unable to Delete Rule, please check above error", error=gateway.response.content)
if not vca.block_until_completed(task):
module.fail_json(msg="Error while waiting to remove Rule, please check above error", error=gateway.response.content)
module.exit_json(changed=True, msg="Rules Deleted", deleted_rules=del_rules)
if len(mod_rules) < 1:
module.exit_json(changed=False, rules=existing_rules)
if len(mod_rules) >= 1:
for i in mod_rules:
gateway.add_fw_rule(i['is_enable'], i['description'], i['policy'], i['protocol'], i['dest_port'], i['dest_ip'],
i['source_port'], i['source_ip'], i['enable_logging'])
task = gateway.save_services_configuration()
if not task:
module.fail_json(msg="Unable to Add Rule, please check above error", error=gateway.response.content)
if not vca.block_until_completed(task):
module.fail_json(msg="Failure in waiting for adding firewall rule", error=gateway.response.content)
module.exit_json(changed=True, rules=mod_rules)
# import module snippets
from ansible.module_utils.basic import *
if __name__ == '__main__':
main()