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##############################################################################
# Copyright (c) 2015 Dell Inc 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 os
import sys
from collections import defaultdict
from func.env_setup import Env_setup
from func.fetchimg import FetchImg
import yaml
import heatclient.client
import keystoneclient
import glanceclient
from novaclient import client
import time
import json
from func.create_zones import create_zones
class SpawnVM(Env_setup):
vm_role_ip_dict = defaultdict(list)
def __init__(self, vm_info):
print 'SpawnVM Class initiated'
vm_role_ip_dict = vm_info.copy()
print 'Generating Heat Template\n'
self._keystone_client = None
self._heat_client = None
self._glance_client = None
self._nova_client = None
nova =self. _get_nova_client()
azoneobj = create_zones()
azoneobj.create_agg(vm_info['availability_zone'])
self.Heat_template1 = self.HeatTemplate_vm(vm_info)
self.create_stack(vm_role_ip_dict, self.Heat_template1)
def HeatTemplate_vm(self, vm_params):
try:
Heat_Dic=''
with open('./heat/SampleHeat.yaml', 'r+') as H_temp:
Heat_Dic = yaml.load(H_temp)
except yaml.YAMLError as exc:
if hasattr(exc, 'problem_mark'):
mark = exc.problem_mark
print 'Error in qtip/heat/SampleHeat.yaml at: (%s,%s)' % (mark.line + 1, mark.column + 1)
print 'EXITING PROGRAM. Correct File and restart'
sys.exit(0)
fopen = open('./data/QtipKey.pub', 'r')
fopenstr = fopen.read()
fopenstr = fopenstr.rstrip()
scriptcmd = '#!/bin/bash \n echo {0} >> foo.txt \n echo {1} >> /root/.ssh/authorized_keys'.format(
fopenstr, fopenstr)
Heat_Dic['heat_template_version'] = '2014-10-16'
Heat_Dic['resources']['KeyPairSavePrivate'] = {
'type': 'OS::Nova::KeyPair',
'properties': {
'save_private_key': 'true',
'name': 'my_key'
}
}
Heat_Dic['parameters']['public_network'] = {
'type': 'string',
'default': vm_params['public_network'][0]
}
for x in range(1, len(vm_params['availability_zone']) + 1):
avail_zone = vm_params['availability_zone'][x - 1]
img = vm_params['OS_image'][x - 1]
flavor = vm_params['flavor'][x - 1]
Heat_Dic['parameters']['availability_zone_' +str(x)] = {
'description': 'Availability Zone of the instance',
'default': avail_zone,
'type': 'string'
}
Heat_Dic['resources']['public_port_' +str(x)] = {
'type': 'OS::Neutron::Port',
'properties': {
'network': {'get_resource': 'private_network'},
'security_groups': [{ 'get_resource': 'demo1_security_Group'}],
'fixed_ips': [
{'subnet_id': {'get_resource': 'private_subnet'}}]}}
Heat_Dic['resources']['floating_ip_' + str(x)] = {
'type': 'OS::Neutron::FloatingIP',
'properties': {
'floating_network': {'get_param': 'public_network'}}}
Heat_Dic['resources']['floating_ip_assoc_' + str(x)] = {
'type': 'OS::Neutron::FloatingIPAssociation',
'properties': {
'floatingip_id': {'get_resource': 'floating_ip_' + str(x)},
'port_id': {'get_resource': 'public_port_' + str(x)}}}
Heat_Dic['resources']['my_instance_' + str(x)] = {
'type': 'OS::Nova::Server',
'properties': {
'image': img,
'networks':[
{'port': {'get_resource': 'public_port_' + str(x)}}],
'flavor': flavor,
'availability_zone': avail_zone,
'name': 'instance' + str(x),
'key_name': {'get_resource': 'KeyPairSavePrivate'},
'user_data_format': 'RAW',
'user_data': scriptcmd}}
Heat_Dic['resources']['demo1_security_Group'] = {
'type': 'OS::Neutron::SecurityGroup',
'properties': {
'name': 'demo1_security_Group',
'rules': [{
'protocol': 'tcp',
'port_range_min': 22,
'port_range_max': 5201},
{'protocol': 'udp',
'port_range_min': 22,
'port_range_max': 5201},
{'protocol': 'icmp'}]}}
Heat_Dic['outputs']['instance_PIP_' +str(x)] = {
'description': 'IP address of the instance',
'value': {'get_attr': ['my_instance_' + str(x), 'first_address']}}
Heat_Dic['outputs']['instance_ip_' +str(x)] = {
'description': 'IP address of the instance',
'value': {'get_attr': ['floating_ip_' + str(x), 'floating_ip_address']}}
Heat_Dic['outputs']['availability_instance_' + str(x)] = {
'description': 'Availability Zone of the Instance',
'value': { 'get_param': 'availability_zone_'+str(x)}}
Heat_Dic['outputs']['KeyPair_PublicKey'] = {
'description': 'Private Key',
'value': {'get_attr': ['KeyPairSavePrivate', 'private_key']}
}
del Heat_Dic['outputs']['description']
return Heat_Dic
def _get_keystone_client(self):
'''returns a keystone client instance'''
if self._keystone_client is None:
self._keystone_client = keystoneclient.v2_0.client.Client(
auth_url=os.environ.get('OS_AUTH_URL'),
username=os.environ.get('OS_USERNAME'),
password=os.environ.get('OS_PASSWORD'),
tenant_name=os.environ.get('OS_TENANT_NAME'))
return self._keystone_client
def _get_nova_client(self):
if self._nova_client is None:
keystone = self._get_keystone_client()
self._nova_client = client.Client('2', token=keystone.auth_token)
return self._nova_client
def _get_heat_client(self):
'''returns a heat client instance'''
if self._heat_client is None:
keystone = self._get_keystone_client()
heat_endpoint = keystone.service_catalog.url_for(
service_type='orchestration')
self._heat_client = heatclient.client.Client(
'1', endpoint=heat_endpoint, token=keystone.auth_token)
return self._heat_client
def _get_glance_client(self):
if self._glance_client is None:
keystone = self._get_keystone_client()
glance_endpoint = keystone.service_catalog.url_for(
service_type='image')
self._glance_client = glanceclient.Client(
'2', glance_endpoint, token=keystone.auth_token)
return self._glance_client
def create_stack(self, vm_role_ip_dict, Heat_template):
stackname = 'QTIP'
heat = self._get_heat_client()
glance = self._get_glance_client()
available_images = []
for image_list in glance.images.list():
available_images.append(image_list.name)
if 'QTIP_CentOS' in available_images:
print 'Image Present'
elif 'QTIP_CentOS' not in available_images:
fetchImage = FetchImg()
fetchImage.download()
print 'Uploading Image to Glance. Please wait'
qtip_image = glance.images.create(
name='QTIP_CentOS',
visibility='public',
disk_format='qcow2',
container_format='bare')
qtip_image = glance.images.upload(
qtip_image.id, open('./Temp_Img/QTIP_CentOS.qcow2'))
json_temp = json.dumps(Heat_template)
for checks in range(3):
for prev_stacks in heat.stacks.list():
if prev_stacks.stack_name == 'QTIP':
print 'QTIP Stacks exists.\nDeleting Existing Stack'
heat.stacks.delete('QTIP')
time.sleep(10)
print '\nStack Creating Started\n'
try:
heat.stacks.create(stack_name=stackname, template=Heat_template)
except:
print 'Create Failed :( '
cluster_detail = heat.stacks.get(stackname)
while(cluster_detail.status != 'COMPLETE'):
if cluster_detail.status == 'IN_PROGRESS':
print 'Stack Creation in Progress'
cluster_detail = heat.stacks.get(stackname)
time.sleep(10)
print 'Stack Created'
print 'Getting Public IP(s)'
zone = []
s=0
for vm in range(len(vm_role_ip_dict['OS_image'])):
for I in cluster_detail.outputs:
availabilityKey = 'availability_instance_'+str(vm+1)
if I['output_key'] == availabilityKey:
zone.insert(s,str(I['output_value']))
s=s+1
for i in cluster_detail.outputs:
instanceKey = "instance_ip_" + str(vm + 1)
privateIPkey = 'instance_PIP_' + str(vm +1)
if i['output_key'] == instanceKey:
Env_setup.roles_dict[vm_role_ip_dict['role'][vm]].append(
str(i['output_value']))
Env_setup.ip_pw_list.append((str(i['output_value']),''))
if i['output_key'] == privateIPkey:
Env_setup.ip_pw_dict[vm_role_ip_dict['role'][vm]]=str(i['output_value'])
if i['output_key'] == 'KeyPair_PublicKey':
sshkey = str(i['output_value'])
with open('./data/my_key.pem', 'w') as fopen:
fopen.write(sshkey)
fopen.close()
print Env_setup.ip_pw_list
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