summaryrefslogtreecommitdiffstats
path: root/ci/genK8Bundle.py
blob: f0198d77d4cf8addde61dd383e9f6aea5ad4b512 (plain)
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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
This script generates a juju deployer bundle based on
scenario name, and lab config file.

Parameters:
 -s, --scenario : scenario name
 -l, --lab      : lab config file
"""

from optparse import OptionParser
from jinja2 import Environment, FileSystemLoader
from distutils.version import LooseVersion, StrictVersion
import os
import subprocess
import random
import yaml
import sys

#
# 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'
TPL_DIR = os.path.dirname(os.path.abspath(__file__))+'/config_tpl/juju2/bundlek8_tpl'

#
# Prepare variables
#

# Prepare a storage for passwords
passwords_store = dict()

#
# Local Functions
#


def load_yaml(filepath):
    """Load YAML file"""
    with open(filepath, 'r') as stream:
        try:
            return yaml.load(stream)
        except yaml.YAMLError as exc:
            print(exc)

#
# Templates functions
#


def unit_qty():
    """Return quantity of units to deploy"""
    global config
    if config['os']['ha']['mode'] == 'ha':
        return config['os']['ha']['cluster_size']
    else:
        return 1


def unit_ceph_qty():
    """Return size of the ceph cluster"""
    global config
    if config['os']['ha']['mode'] == 'ha':
        return config['os']['ha']['cluster_size']
    else:
        if config['opnfv']['units'] >= 3:
            return config['os']['ha']['cluster_size']
        else:
            return 2

def unit_scaleio_qty():
    """Return size of the scaleio cluster"""
    return 3

def to_select(qty=False):
    """Return a random list of machines numbers to deploy"""
    global config
    if not qty:
        qty = config['os']['ha']['cluster_size'] if \
                config['os']['ha']['mode'] == 'ha' else 1
    if config['os']['hyperconverged']:
        return random.sample(range(0, config['opnfv']['units']), qty)
    else:
        return random.sample(range(0, qty), qty)


def get_password(key, length=16, special=False):
    """Return a new random password or a already created one"""
    global passwords_store
    if key not in passwords_store.keys():
        alphabet = "abcdefghijklmnopqrstuvwxyz"
        upperalphabet = alphabet.upper()
        char_list = alphabet + upperalphabet + '0123456789'
        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 = "k8-nosdn-baremetal-core"

# 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 '
          '"k8-nosdn-baremetal-core" format')
    sys.exit(1)

#
# Update config with scenario name
#

if 'dpdk' in features:
    config['os']['network']['dpdk'] = True
if 'lb' in features:
    config['k8']['feature']['loadbalancer'] = True

# change ha mode
config['k8']['network']['controller'] = sdn

# Set beta option from extra
if 'hugepages' in extra:
    config['os']['beta']['huge_pages'] = True
if 'lb' in extra:
    config['k8']['feature']['loadbalancer'] = True
if 'mitaka' in extra:
    config['os']['release'] = 'mitaka'
if 'xenial' in extra:
    config['ubuntu']['release'] = 'xenial'

#
# 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(unit_ceph_qty=unit_ceph_qty)
env.globals.update(unit_scaleio_qty=unit_scaleio_qty)
env.globals.update(to_select=to_select)

# Render the template
output = template.render(**config)

# Check output syntax
try:
    yaml.load(output)
except yaml.YAMLError as exc:
    print(exc)

# print output
print(output)