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#!/usr/bin/python
##
## Copyright (c) 2020 Intel Corporation
##
## 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.
##
import os_client_config
import heatclient
from heatclient.client import Client as Heat_Client
from keystoneclient.v3 import Client as Keystone_Client
from heatclient.common import template_utils
from novaclient import client as NovaClient
import yaml
import os
import time
import sys
from collections import OrderedDict
from rapid_log import RapidLog
class StackDeployment(object):
"""Deployment class to create VMs for test execution in OpenStack
environment.
"""
def __init__(self, cloud_name):
# RapidLog.log_init('CREATEStack.log', 'DEBUG', 'INFO', '2020.05.05')
self.dp_ips = []
self.dp_macs = []
self.mngmt_ips = []
self.names = []
self.number_of_servers = 0
self.cloud_name = cloud_name
self.heat_template = 'L6_heat_template.yaml'
self.heat_param = 'params_rapid.yaml'
self.cloud_config = os_client_config.OpenStackConfig().get_all_clouds()
ks_client = None
for cloud in self.cloud_config:
if cloud.name == self.cloud_name:
ks_client = Keystone_Client(**cloud.config['auth'])
break
if ks_client == None:
sys.exit()
heat_endpoint = ks_client.service_catalog.url_for(service_type='orchestration',
endpoint_type='publicURL')
self.heatclient = Heat_Client('1', heat_endpoint, token=ks_client.auth_token)
self.nova_client = NovaClient.Client(2, **cloud.config['auth'])
def generate_paramDict(self):
for output in self.stack.output_list()['outputs']:
output_value = self.stack.output_show(output['output_key'])['output']['output_value']
for server_group_output in output_value:
if (output['output_key'] == 'number_of_servers'):
self.number_of_servers += int (server_group_output)
elif (output['output_key'] == 'mngmt_ips'):
for ip in server_group_output:
self.mngmt_ips.append(ip)
elif (output['output_key'] == 'data_plane_ips'):
for dps in server_group_output:
self.dp_ips.append(dps)
elif (output['output_key'] == 'data_plane_macs'):
for mac in server_group_output:
self.dp_macs.append(mac)
elif (output['output_key'] == 'server_name'):
for name in server_group_output:
self.names.append(name)
def print_paramDict(self, user, dataplane_subnet_mask):
if not(len(self.dp_ips) == len(self.dp_macs) == len(self.mngmt_ips)):
sys.exit()
_ENV_FILE_DIR = os.path.dirname(os.path.realpath(__file__))
env_file = os.path.join(_ENV_FILE_DIR, self.stack.stack_name)+ '.env'
with open(env_file, 'w') as env_file:
env_file.write('[rapid]\n')
env_file.write('total_number_of_machines = {}\n'.format(str(self.number_of_servers)))
env_file.write('\n')
for count in range(self.number_of_servers):
env_file.write('[M' + str(count+1) + ']\n')
env_file.write('name = {}\n'.format(str(self.names[count])))
env_file.write('admin_ip = {}\n'.format(str(self.mngmt_ips[count])))
if type(self.dp_ips[count]) == list:
for i, dp_ip in enumerate(self.dp_ips[count], start = 1):
env_file.write('dp_ip{} = {}/{}\n'.format(i, str(dp_ip),
dataplane_subnet_mask))
else:
env_file.write('dp_ip1 = {}/{}\n'.format(str(self.dp_ips[count]),
dataplane_subnet_mask))
if type(self.dp_macs[count]) == list:
for i, dp_mac in enumerate(self.dp_macs[count], start = 1):
env_file.write('dp_mac{} = {}\n'.format(i, str(dp_mac)))
else:
env_file.write('dp_mac1 = {}\n'.format(str(self.dp_macs[count])))
env_file.write('\n')
env_file.write('[ssh]\n')
env_file.write('key = {}\n'.format(self.key_name))
env_file.write('user = {}\n'.format(user))
env_file.write('\n')
env_file.write('[Varia]\n')
env_file.write('vim = OpenStack\n')
env_file.write('stack = {}\n'.format(self.stack.stack_name))
def create_stack(self, stack_name, stack_file_path, heat_parameters):
files, template = template_utils.process_template_path(stack_file_path)
stack_created = self.heatclient.stacks.create(stack_name = stack_name,
template = template, parameters = heat_parameters,
files = files)
stack = self.heatclient.stacks.get(stack_created['stack']['id'],
resolve_outputs=True)
# Poll at 5 second intervals, until the status is no longer 'BUILD'
while stack.stack_status == 'CREATE_IN_PROGRESS':
print('waiting..')
time.sleep(5)
stack = self.heatclient.stacks.get(stack_created['stack']['id'], resolve_outputs=True)
if stack.stack_status == 'CREATE_COMPLETE':
return stack
else:
RapidLog.exception('Error in stack deployment')
def create_key(self):
if os.path.exists(self.key_name):
public_key_file = "{}.pub".format(self.key_name)
if not os.path.exists(public_key_file):
RapidLog.critical('Keypair {}.pub does not exist'.format(
self.key_name))
with open(public_key_file, mode='rb') as public_file:
public_key = public_file.read()
else:
public_key = None
keypair = self.nova_client.keypairs.create(name = self.key_name,
public_key = public_key)
# Create a file for writing that can only be read and written by owner
if not os.path.exists(self.key_name):
fp = os.open(self.key_name, os.O_WRONLY | os.O_CREAT, 0o600)
with os.fdopen(fp, 'w') as f:
f.write(keypair.private_key)
RapidLog.info('Keypair {} created'.format(self.key_name))
def IsDeployed(self, stack_name):
for stack in self.heatclient.stacks.list():
if stack.stack_name == stack_name:
RapidLog.info('Stack already existing: {}'.format(stack_name))
self.stack = stack
return True
return False
def IsKey(self):
keypairs = self.nova_client.keypairs.list()
if next((x for x in keypairs if x.name == self.key_name), None):
RapidLog.info('Keypair {} already exists'.format(self.key_name))
return True
return False
def deploy(self, stack_name, heat_template, heat_param):
heat_parameters_file = open(heat_param)
heat_parameters = yaml.load(heat_parameters_file,
Loader=yaml.BaseLoader)['parameters']
heat_parameters_file.close()
self.key_name = heat_parameters['PROX_key']
if not self.IsDeployed(stack_name):
if not self.IsKey():
self.create_key()
self.stack = self.create_stack(stack_name, heat_template,
heat_parameters)
def generate_env_file(self, user = 'centos', dataplane_subnet_mask = '24'):
self.generate_paramDict()
self.print_paramDict(user, dataplane_subnet_mask)
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