1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
#!/usr/bin/python
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, push_gateway):
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)))
else:
env_file.write('dp_ip1 = {}\n'.format(str(self.dp_ips[count])))
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.private_key_filename))
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))
env_file.write('pushgateway = {}\n'.format(push_gateway))
def create_stack(self, stack_name, stack_file_path, param_file):
files, template = template_utils.process_template_path(stack_file_path)
heat_parameters = open(param_file)
temp_params = yaml.load(heat_parameters,Loader=yaml.BaseLoader)
heat_parameters.close()
stack_created = self.heatclient.stacks.create(stack_name=stack_name, template=template,
parameters=temp_params["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):
keypair = self.nova_client.keypairs.create(name=self.key_name)
# Create a file for writing that can only be read and written by owner
fp = os.open(self.private_key_filename, 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, keypair_name, heat_template, heat_param):
self.key_name = keypair_name
self.private_key_filename = '{}.pem'.format(keypair_name)
if not self.IsDeployed(stack_name):
if not self.IsKey():
self.create_key()
self.stack = self.create_stack(stack_name, heat_template, heat_param)
def generate_env_file(self, user = 'centos', push_gateway = None):
self.generate_paramDict()
self.print_paramDict(user, push_gateway)
|
