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fake_tacker.py
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#!/usr/bin/env python
import configparser
import os
from uuid import uuid4
import logging
import requests
logger = logging.getLogger('fake_tacker')
class IdentityManager:
"""
Class responsible for identification and authentication of REST requests.
"""
def __init__(self):
CONFIG_FILE = 'tacker.conf'
if not os.path.isfile(CONFIG_FILE):
logger.critical("Missing tacker.conf file!")
exit(1)
config = configparser.ConfigParser()
config.read(CONFIG_FILE)
self.OPENSTACK_URL = config.get('openstack', 'url')
self.USERNAME = config.get('auth', 'username')
self.TENANT_NAME = config.get('auth', 'tenant_name')
self.PASSWORD = config.get('auth', 'password')
self.FIP_INTERFACES = config['sfc_fip_router_interface']
self.header = {
'Content-type' : 'application/json',
'Accept' : 'application/json'
}
self.identity_info = self.get_identity_info()
def get_fip_router_interfaces(self):
"""Return all FIP network configured interfaces in tacker.conf file
:return: a dictionary containing all FIP network configured interfaces in tacker.conf file
"""
return self.FIP_INTERFACES
def get_identity_info(self):
"""
Request for tokens and endpoints info.
"""
data = """{
"auth": {
"tenantName": "%s",
"passwordCredentials": {
"username": "%s",
"password": "%s"
}
}
}""" % (self.TENANT_NAME, self.USERNAME, self.PASSWORD)
# url = self.OPENSTACK_URL + 'identity/v2.0/tokens'
# return requests.post(url, data=data, headers=self.header).json()
return {'token': ''}
def get_token(self):
"""
Return the token ID used to authenticate requests.
"""
return str(uuid4())
# return self.identity_info['access']['token']['id']
def get_endpoints(self):
"""
Get endpoints public URLs of each OpenStack service.
These endpoints are used for future requests.
"""
endpoints = {'tacker': ''}
# endpoints = {}
# service_catalog = self.identity_info['access']['serviceCatalog']
#
# for service in service_catalog:
# name = service['name']
# public_url = service['endpoints'][0]['publicURL']
# endpoints[name] = public_url
return endpoints
class Tacker:
"""
Implementation of the Tacker Client REST API interface.
"""
def __init__(self, token, tacker_endpoint):
self.token = token
self.header = {
'Content-type' : 'application/json',
'Accept' : 'application/json',
'X-Auth-Token' : token
}
self.tacker_endpoint = tacker_endpoint
def vnfd_create(self, vnfd):
"""
Create a VNF descriptor.
Template should be a JSON text.
"""
return MockResponse({'vnfd': {'id': str(uuid4())}}, 201)
# url = self.tacker_endpoint + 'v1.0/vnfds'
# return requests.post(url, headers=self.header, data=vnfd)
def vnfd_delete(self, vnfd_id):
"""
Delete a given VNF descriptor.
"""
url = self.tacker_endpoint + 'v1.0/vnfds/' + vnfd_id
return requests.delete(url, headers=self.header)
def vnfd_list(self):
"""
List all available VNF descriptors.
"""
return MockResponse({'vnfds': []}, 200)
# url = self.tacker_endpoint + 'v1.0/vnfds'
# return requests.get(url, headers=self.header)
def vnf_create(self, vnfd_id, vnf_name):
"""
Create a instance of a VNF.
"""
return MockResponse({'vnf': {'id': str(uuid4())}}, 201)
# url = self.tacker_endpoint + 'v1.0/vnfs'
# data = """{
# "vnf": {
# "attributes": {},
# "vim_id": "",
# "description": "",
# "vnfd_id": "%s",
# "name": "%s"
# }
# }""" % (vnfd_id, vnf_name)
#
# return requests.post(url, headers=self.header, data=data)
def vnffgd_create(self, vnffgd):
"""Create a VNF Forwarding Graph Descriptor."""
return MockResponse({'vnffgd': {'id': str(uuid4())}}, 201)
# url = self.tacker_endpoint + 'v1.0/vnffgds'
# return requests.post(url, headers=self.header, data=vnffgd)
def vnffgd_list(self):
"""List all VNFFG Descriptors in Tacker"""
return MockResponse({'vnffgds': []}, 200)
def vnffgd_delete(self, vnffgd_id):
"""Delete a given VNFFGD"""
url = self.tacker_endpoint + 'v1.0/vnffgds/' + vnffgd_id
return requests.delete(url, headers=self.header)
def vnffg_create(self, vnffgd_id, vnf_mapping, vnffg_name):
"""Create a VNF Forwarding Graph."""
return MockResponse({'vnffg': {'id': str(uuid4())}}, 201)
# url = self.tacker_endpoint + 'v1.0/vnffgs'
# vnffg = """{
# "vnffg": {
# "vnffgd_id": "%s",
# "name": "%s",
# "vnf_mapping": %s,
# "symmetrical": false
# }
# }""" % (vnffgd_id, vnffg_name, vnf_mapping)
#
# print(vnffg)
#
# return requests.post(url, headers=self.header, data=vnffg)
def vnffg_list(self):
"""List all VNF Forwarding Graph in Tacker"""
url = self.tacker_endpoint + 'v1.0/vnffgs'
return requests.get(url, headers=self.header)
def vnffg_show(self, vnffg_id):
"""List a given VNF Forwarding Graph in Tacker"""
url = self.tacker_endpoint + 'v1.0/vnffgs/' + vnffg_id
return requests.get(url, headers=self.header)
def vnffg_delete(self, vnffg_id):
"""Delete a given VNF Forwarding Graph in Tacker"""
url = self.tacker_endpoint + 'v1.0/vnffgs/' + vnffg_id
return requests.delete(url, headers=self.header)
def vnf_delete(self, vnf_id):
"""
Delete a given VNF.
"""
url = self.tacker_endpoint + 'v1.0/vnfs/' + vnf_id
return requests.delete(url, headers=self.header)
def vnf_update(self, vnf_id, update_file):
"""
Update a given VNF.
"""
url = self.tacker_endpoint + 'v1.0/vnfs/' + vnf_id
return requests.put(url, headers=self.header, data=update_file)
def vnf_list(self):
"""
List all VNFs.
"""
return MockResponse({'vnfs': []}, 200)
def vnf_show(self, vnf_id):
"""
Show info about a given VNF.
"""
# url = self.tacker_endpoint + 'v1.0/vnfs/' + vnf_id
# return requests.get(url, headers=self.header)
data = {
"vnf": {
"status": "ACTIVE",
"description": "OpenWRT VNFD with parameterized VDU name",
"vnfd_id": "a04b47d1-e8ad-4ef9-8341-eafec398ce02",
"tenant_id": "6673e4d4e13340acb0b847f9ecde613b",
"created_at": "2016-10-25 10:15:06",
"updated_at": "2016-10-25 10:16:43",
"instance_id": "178d3186-5b5f-483c-b2f5-75b484ec793e",
"mgmt_url": "{\"VDU1\": \"192.168.120.3\"}",
"vim_id": "f6bd6f24-7a0e-4111-8994-e108c5ee2ff2",
"placement_attr": {
"region_name": "RegionOne",
"vim_name": "VIM0"
},
"error_reason": None,
"attributes": {
"config": "vdus:\n vdu1:\n config: {firewall: 'package firewall\n\n '}\n",
"monitoring_policy": "{\"vdus\": {\"VDU1\": {\"ping\": {\"actions\": {\"failure\": \"respawn\"}, \"name\": \"ping\", \"parameters\": {\"count\": 3, \"interval\": 10}, \"monitoring_params\": {\"count\": 3, \"interval\": 10}}}}}",
"param_values": "vdus:\n vdu1:\n param: {vdu-name: openwrt_vdu1}\n",
"heat_template": "heat_template_version: 2013-05-23\ndescription: 'OpenWRT with services\n\n '\nparameters:\n vdu-name:\n type: string\n description: Vdu name\n default: test-vdu\nresources:\n CP1:\n type: OS::Neutron::Port\n properties:\n network: net_mgmt\n port_security_enabled: false\n CP2:\n type: OS::Neutron::Port\n properties:\n network: net0\n port_security_enabled: false\n CP3:\n type: OS::Neutron::Port\n properties:\n network: net1\n port_security_enabled: false\n VDU1:\n type: OS::Nova::Server\n properties:\n config_drive: false\n flavor: {get_resource: VDU1_flavor}\n image: OpenWRT\n name:\n get_param: vdu-name\n networks:\n - port:\n get_resource: CP1\n - port:\n get_resource: CP2\n - port:\n get_resource: CP3\n user_data_format: SOFTWARE_CONFIG\n VDU1_flavor:\n properties: {disk: 1, ram: 512, vcpus: 1}\n type: OS::Nova::Flavor\noutputs:\n mgmt_ip-VDU1:\n value:\n get_attr: [CP1, fixed_ips, 0, ip_address]\n"
},
"id": "2b85ac49-e59e-4f22-89b8-42c3e27115ef",
"name": "OpenWRT"
}
}
return MockResponse(data, 200)
def vnf_resources(self, vnf_id):
"""
Show VDU and CP of a given VNF.
"""
url = self.tacker_endpoint + 'v1.0/vnfs/%s/resources' % vnf_id
return requests.get(url, headers=self.header)
def sfc_list(self):
"""List all SFCs."""
url = self.tacker_endpoint + 'v1.0/sfcs'
return requests.get(url, headers=self.header)
class MockResponse:
def __init__(self, json_data, status_code):
self.json_data = json_data
self.status_code = status_code
def json(self):
return self.json_data