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#!/usr/bin/python3
# -*- coding: utf-8 -*-
from optparse import OptionParser
from jinja2 import Environment, FileSystemLoader
from pprint import pprint as pp
import os
import random
import yaml
import sys, traceback
##
## Parse parameters
##
parser = OptionParser()
parser.add_option("-s", "--scenario", dest="scenario", help ="scenario name")
parser.add_option("-l", "--lab", dest="lab", help ="lab config file")
(options, args) = parser.parse_args()
scenario = options.scenario
labconfig_file = options.lab
##
## Set Path and configs path
##
scenarioconfig_file = 'default_deployment_config.yaml'
# Capture our current directory
TPL_DIR = os.path.dirname(os.path.abspath(__file__))+'/bundle_tpl'
##
## Prepare variables
##
# Prepare a storage for passwords
passwords_store = dict()
##
## Local Functions
##
def load_yaml(filepath):
with open(filepath, 'r') as stream:
try:
return yaml.load(stream)
except yaml.YAMLError as exc:
print(exc)
##
## Templates functions
##
def unit_qty():
global config
if config['os']['ha']['mode'] == 'ha':
return config['os']['ha']['cluster_size']
else:
return 1
def to_select( qty = False ):
global config
if not qty:
qty = config['os']['ha']['cluster_size'] if config['os']['ha']['mode'] == 'ha' else 1
return random.sample(range(0,config['opnfv']['units']), qty )
def get_password(key, length=16, special=False):
global passwords_store
if key not in passwords_store.keys():
alphabet = "abcdefghijklmnopqrstuvwxyz"
upperalphabet = alphabet.upper()
char_list = alphabet + upperalphabet
pwlist = []
if special:
char_list += "+-,;./:?!*"
for i in range(length):
pwlist.append(char_list[random.randrange(len(char_list))])
random.shuffle(pwlist)
passwords_store[key] = "".join(pwlist)
return passwords_store[key]
##
## Config import
##
#Load scenario Config
config = load_yaml(scenarioconfig_file)
#Load lab Config
config.update(load_yaml(labconfig_file))
#We transform array to hash for an easier work
config['opnfv']['spaces_dict'] = dict()
for space in config['opnfv']['spaces']:
config['opnfv']['spaces_dict'][space['type']] = space
config['opnfv']['storage_dict'] = dict()
for storage in config['opnfv']['storage']:
config['opnfv']['storage_dict'][storage['type']] = storage
##
## Parse scenario name
##
# Set default scenario name
if not scenario:
scenario = "os-nosdn-nofeature-nonha"
# Parse scenario name
try:
sc = scenario.split('-')
(sdn, features, hamode) = sc[1:4]
features = features.split('_')
if len(sc) > 4:
extra = sc[4].split('_')
else:
extra = []
except ValueError as err:
print('Error: Bad scenario name syntax, use '
'"os-<controller>-<nfvfeature>-<mode>[-<extrastuff>]" format')
sys.exit(1)
##
## Update config with scenario name
##
# change ha mode
config['os']['ha']['mode'] = hamode
# change ha mode
config['os']['network']['controller'] = sdn
# Change features
if 'lxd' in features:
config['os']['lxd'] = True
if 'drv' in features:
config['os']['network']['dvr'] = True
if 'ipv6' in features:
config['os']['network']['ipv6'] = True
if 'ovs' in features:
config['os']['network']['enhanced_ovs'] = True
# Set beta option from extra
if 'publicapi' in extra:
config['os']['beta']['public_api'] = True
if 'radosgwcluster' in extra:
config['os']['beta']['hacluster_ceph_radosgw'] = True
if 'hugepages' in extra:
config['os']['beta']['huge_pages'] = True
# pp(config)
##
## Transform template to bundle.yaml according to config
##
# Create the jinja2 environment.
env = Environment(loader=FileSystemLoader(TPL_DIR),
trim_blocks=True)
template = env.get_template('bundle.yaml')
# Add functions
env.globals.update(get_password=get_password)
env.globals.update(unit_qty=unit_qty)
env.globals.update(to_select=to_select)
# Render the template
print(template.render(**config))
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