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##############################################################################
# Copyright (c) 2018 Spirent Communications and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
import os
from time import sleep
import traceback
import heatclient.client as heatclient
from keystoneauth1 import loading
from keystoneauth1 import session
class StcvStack(object):
STCV_CONFIG_FILE = 'stcv_config_file'
STCV_HEAT_FILE = './heat_2stcv.yaml'
def __init__(self, name, **kwargs):
self.logger = logging.getLogger(__name__)
self.name = name
self.pub_net_name = kwargs.get('pub_net_name')
self.ntp_server_ip = kwargs.get('ntp_server_ip')
self.lab_server_ip = kwargs.get('lab_server_ip')
self.stcv_image = kwargs.get('stcv_image')
self.stcv_flavor = kwargs.get('stcv_flavor')
if kwargs.get('stcv_affinity'):
self.stcv_affinity = 'affinity'
else:
self.stcv_affinity = 'anti-affinity'
self.stack_id = None
self._heatc_lient = None
def _attach_to_openstack(self):
creds = {"username": os.environ.get('OS_USERNAME'),
"password": os.environ.get('OS_PASSWORD'),
"auth_url": os.environ.get('OS_AUTH_URL'),
"project_domain_id": os.environ.get('OS_PROJECT_DOMAIN_ID'),
"project_domain_name": os.environ.get('OS_PROJECT_DOMAIN_NAME'),
"project_id": os.environ.get('OS_PROJECT_ID'),
"project_name": os.environ.get('OS_PROJECT_NAME'),
"tenant_name": os.environ.get('OS_TENANT_NAME'),
"tenant_id": os.environ.get("OS_TENANT_ID"),
"user_domain_id": os.environ.get('OS_USER_DOMAIN_ID'),
"user_domain_name": os.environ.get('OS_USER_DOMAIN_NAME')
}
self.logger.debug("Creds: %s" % creds)
loader = loading.get_plugin_loader('password')
auth = loader.load_from_options(**creds)
sess = session.Session(auth)
self._heat_client = heatclient.Client("1", session=sess)
def _make_parameters(self):
return {
'public_net_name': self.pub_net_name,
'stcv_image': self.stcv_image,
'stcv_flavor': self.stcv_flavor,
'stcv_sg_affinity': self.stcv_affinity,
'ntp_server_ip': self.ntp_server_ip
}
def acquire_ip_from_stack_output(self, output, key_name):
ip = None
for item in output:
if item['output_key'] == key_name:
ip = item['output_value']
if isinstance(ip, list):
ip = ip[0]['ip_address']
break
return ip
def create_stack(self):
with open(self.STCV_HEAT_FILE) as fd:
template = fd.read()
self._attach_to_openstack()
self.logger.debug("Creating stack")
stack = self._heat_client.stacks.create(
stack_name=self.name,
template=template,
parameters=self._make_parameters())
self.stack_id = stack['stack']['id']
while True:
stack = self._heat_client.stacks.get(self.stack_id)
status = getattr(stack, 'stack_status')
self.logger.debug("Stack status=%s" % (status,))
if (status == u'CREATE_COMPLETE'):
self.stcv1_ip = self.acquire_ip_from_stack_output(stack.outputs, "STCv_1_Mgmt_Ip")
self.stcv2_ip = self.acquire_ip_from_stack_output(stack.outputs, "STCv_2_Mgmt_Ip")
self.stcv1_tst_ip = self.acquire_ip_from_stack_output(stack.outputs, "STCv_1_Tst_Ip")
self.stcv2_tst_ip = self.acquire_ip_from_stack_output(stack.outputs, "STCv_2_Tst_Ip")
break
if (status == u'DELETE_COMPLETE'):
self.stack_id = None
break
if (status == u'CREATE_FAILED'):
self.status_reason = getattr(stack, 'stack_status_reason')
sleep(5)
self._heat_client.stacks.delete(stack_id=self.stack_id)
sleep(2)
def delete_stack(self):
if self.stack_id is None:
raise Exception('stack does not exist')
self._attach_to_openstack()
while True:
stack = self._heat_client.stacks.get(self.stack_id)
status = getattr(stack, 'stack_status')
self.logger.debug("Stack status=%s" % (status,))
if (status == u'CREATE_COMPLETE'):
self._heat_client.stacks.delete(stack_id=self.stack_id)
if (status == u'DELETE_COMPLETE'):
self.stack_id = None
break
if (status == u'DELETE_FAILED'):
sleep(5)
self._heat_client.stacks.delete(stack_id=self.stack_id)
sleep(2)
def get_west_stcv_ip(self):
return self.stcv1_ip
def get_west_stcv_tst_ip(self):
return self.stcv1_tst_ip
def get_east_stcv_ip(self):
return self.stcv2_ip
def get_east_stcv_tst_ip(self):
return self.stcv2_tst_ip
if __name__ == '__main__':
try:
stack = StcvStack(name='stack1',
pub_net_name='external',
ntp_server_ip='192.168.37.151',
stcv_image='stcv-4.79',
stcv_flavor='m1.tiny',
affinity=False)
stack.create_stack()
print stack.get_east_stcv_ip()
print stack.get_east_stcv_tst_ip()
print stack.get_west_stcv_ip()
print stack.get_west_stcv_tst_ip()
except Exception as err:
excstr = traceback.format_exc()
print excstr
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