summaryrefslogtreecommitdiff
path: root/bootstrap/template.py
blob: 0acfaa21e08d7ba724fa1f582bd7c61b65ea0941 (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
#!/usr/bin/env python3

# Copyright (C) Catalyst.Net Ltd 2019
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
Manage dependencies and bootstrap environments for Samba.

CLI script to render bootstrap.sh/Dockerfile/Vagrantfile.

Author: Joe Guo <joeg@catalyst.net.nz>
"""

import io
import os
import hashlib
import logging
import argparse
from config import DISTS, VAGRANTFILE, OUT

HERE = os.path.abspath(os.path.dirname(__file__))
SHA1SUM_FILE_PATH = os.path.join(HERE, 'sha1sum.txt')
README_FILE_PATH = os.path.join(HERE, 'README.md')

logging.basicConfig(level='INFO')
log = logging.getLogger(__file__)


def get_files(path):
    """Get all files recursively in path as a list"""
    filepaths = []
    for root, dirnames, filenames in os.walk(path):
        for filename in filenames:
            filepath = os.path.join(root, filename)
            filepaths.append(filepath)
    return filepaths


def get_sha1sum(debug=False):
    """Get sha1sum for dists + .gitlab-ci.yml"""
    filepaths = get_files(HERE)
    m = hashlib.sha1()
    i = 0
    for filepath in sorted(list(filepaths)):
        _filepath = os.path.relpath(filepath)
        i += 1
        if filepath == SHA1SUM_FILE_PATH:
            d = "skip                                    "
            if debug:
                print("%s: %s: %s" % (i, d, _filepath))
            continue
        if filepath == README_FILE_PATH:
            d = "skip                                    "
            if debug:
                print("%s: %s: %s" % (i, d, _filepath))
            continue
        if filepath.endswith('.pyc'):
            d = "skip                                    "
            if debug:
                print("%s: %s: %s" % (i, d, _filepath))
            continue
        with io.open(filepath, mode='rb') as _file:
            _bytes = _file.read()

            m1 = hashlib.sha1()
            m1.update(_bytes)
            d = m1.hexdigest()
            if debug:
                print("%s: %s: %s" % (i, d, _filepath))

            m.update(_bytes)
    return m.hexdigest()


def render(dists):
    """Render files for all dists"""
    for dist, config in dists.items():
        home = config['home']
        os.makedirs(home, exist_ok=True)
        for key in ['bootstrap.sh', 'locale.sh', 'packages.yml', 'Dockerfile']:
            path = os.path.join(home, key)
            log.info('%s: render "%s" to %s', dist, key, path)
            with io.open(path, mode='wt', encoding='utf8') as fp:
                fp.write(config[key])
            if path.endswith('.sh'):
                os.chmod(path, 0o755)

    key = 'Vagrantfile'
    path = os.path.join(OUT, key)
    log.info('%s: render "%s" to %s', dist, key, path)
    with io.open(path, mode='wt', encoding='utf8') as fp:
        fp.write(VAGRANTFILE)

    # always calc sha1sum after render
    sha1sum = get_sha1sum()
    log.info('write sha1sum to %s: %s', SHA1SUM_FILE_PATH, sha1sum)
    with io.open(SHA1SUM_FILE_PATH, mode='wt', encoding='utf8') as fp:
        fp.write(sha1sum + "\n")


def main():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
        description=('Render templates with samba dependencies '
                     'to bootstrap multiple distributions.'))

    parser.add_argument(
        '-r', '--render', action='store_true', help='Render templates')

    parser.add_argument(
        '-s', '--sha1sum', action='store_true', help='Print sha1sum')
    parser.add_argument(
        '-d', '--debug', action='store_true', help='Debug sha1sum')

    args = parser.parse_args()
    need_help = True

    if args.render:
        render(DISTS)
        need_help = False
    if args.sha1sum:
        # we will use the output to check sha1sum in ci
        print(get_sha1sum(args.debug))
        need_help = False
    if need_help:
        parser.print_help()


if __name__ == '__main__':
    main()