summaryrefslogtreecommitdiff
path: root/packages/brpm
blob: 1735f5bbc50bcd55f20251e230ba6a7ee1e0da28 (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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
#!/usr/bin/python

import argparse
import contextlib
import glob
import os
import shutil
import subprocess
import sys
import tempfile
import re

from datetime import datetime


def find_root():
    # expected path is in <top_dir>/packages/
    top_dir = os.environ.get("CLOUD_INIT_TOP_D", None)
    if top_dir is None:
       top_dir = os.path.dirname(os.path.dirname(os.path.abspath(sys.argv[0])))
    if os.path.isfile(os.path.join(top_dir, 'setup.py')):
        return os.path.abspath(top_dir)
    raise OSError(("Unable to determine where your cloud-init topdir is."
                       " set CLOUD_INIT_TOP_D?"))


# Use the util functions from cloudinit
sys.path.insert(0, find_root())

from cloudinit import templater
from cloudinit import util

# Mapping of expected packages to there full name...
# this is a translation of the 'requires'
# file pypi package name to a redhat/fedora package name.
PKG_MP = {
    'boto': 'python-boto',
    'cheetah': 'python-cheetah',
    'prettytable': 'python-prettytable',
    'oauth': 'python-oauth',
    'configobj': 'python-configobj',
    'pyyaml': 'PyYAML',
    'argparse': 'python-argparse',
}

# Subdirectories of the ~/rpmbuild dir
RPM_BUILD_SUBDIRS = ['BUILD', 'RPMS', 'SOURCES', 'SPECS', 'SRPMS']


def get_log_header(version):
    # Try to find the version in the tags output
    cmd = ['bzr', 'tags']
    (stdout, _stderr) = util.subp(cmd)
    a_rev = None
    for t in stdout.splitlines():
        ver, rev = t.split(None)
        if ver == version:
            a_rev = rev
            break
    if not a_rev:
        return format_change_line(datetime.now(),
                                  '??', version)
    
    # Extract who made that tag as the header
    cmd = ['bzr', 'log', '-r%s' % (a_rev), '--timezone=utc']
    (stdout, _stderr) = util.subp(cmd)
    kvs = {
        'comment': version,
    }

    for line in stdout.splitlines():
        if line.startswith('committer:'):
            kvs['who'] = line[len('committer:'):].strip()
        if line.startswith('timestamp:'):
            ts = line[len('timestamp:'):]
            ts = ts.strip()
            # http://bugs.python.org/issue6641
            ts = ts.replace("+0000", '').strip()
            ds = datetime.strptime(ts, '%a %Y-%m-%d %H:%M:%S')
            kvs['ds'] = ds

    return format_change_line(**kvs)


def format_change_line(ds, who, comment=None):
    # Rpmbuild seems to be pretty strict about the date format
    d = ds.strftime("%a %b %d %Y")
    d += " - %s" % (who)
    if comment:
        d += " - %s" % (comment)
    return "* %s" % (d)


def generate_spec_contents(args, tmpl_fn, top_dir, arc_fn):

    # Figure out the version and revno
    cmd = [util.abs_join(find_root(), 'tools', 'read-version')]
    (stdout, _stderr) = util.subp(cmd)
    version = stdout.strip()
    
    cmd = ['bzr', 'revno']
    (stdout, _stderr) = util.subp(cmd)
    revno = stdout.strip()

    # Tmpl params
    subs = {}
    subs['version'] = version
    subs['revno'] = revno
    subs['release'] = "bzr%s" % (revno)
    subs['archive_name'] = arc_fn

    cmd = [util.abs_join(find_root(), 'tools', 'read-dependencies')]
    (stdout, _stderr) = util.subp(cmd)
    pkgs = [p.lower().strip() for p in stdout.splitlines()]

    # Map to known packages
    requires = []
    for p in pkgs:
        tgt_pkg = PKG_MP.get(p)
        if not tgt_pkg:
            raise RuntimeError(("Do not know how to translate pypi dependency"
                                " %r to a known package") % (p))
        else:
            requires.append(tgt_pkg)
    subs['requires'] = requires

    # Format a nice changelog (as best as we can)
    changelog = util.load_file(util.abs_join(find_root(), 'ChangeLog'))
    changelog_lines = []
    for line in changelog.splitlines():
        if not line.strip():
            continue
        if re.match(r"^\s*[\d][.][\d][.][\d]:\s*", line):
            line = line.strip(":")
            header = get_log_header(line)
            changelog_lines.append(header)
        else:
            changelog_lines.append(line)
    subs['changelog'] = "\n".join(changelog_lines)

    if args.boot == 'sysvinit':
        subs['sysvinit'] = True
    else:
        subs['sysvinit'] = False

    if args.boot == 'systemd':
        subs['systemd'] = True
    else:
        subs['systemd'] = False

    subs['defines'] = ["_topdir %s" % (top_dir)]
    subs['init_sys'] = args.boot
    subs['patches'] = [os.path.basename(p) for p in args.patches]
    return templater.render_from_file(tmpl_fn, params=subs)


def main():
    
    parser = argparse.ArgumentParser()
    parser.add_argument("-b", "--boot", dest="boot",
                        help="select boot type (default: %(default)s)", 
                        metavar="TYPE", default='sysvinit',
                        choices=('sysvinit', 'systemd'))
    parser.add_argument("-v", "--verbose", dest="verbose",
                        help=("run verbosely"
                              " (default: %(default)s)"),
                        default=False,
                        action='store_true')
    parser.add_argument("-p", "--patch", dest="patches",
                        help=("include the following patch when building"),
                        default=[],
                        action='append')
    args = parser.parse_args()
    capture = True
    if args.verbose:
        capture = False

    # Clean out the root dir and make sure the dirs we want are in place
    root_dir = os.path.expanduser("~/rpmbuild")
    if os.path.isdir(root_dir):
        shutil.rmtree(root_dir)

    arc_dir = util.abs_join(root_dir, 'SOURCES')
    build_dirs = [root_dir, arc_dir]
    for dname in RPM_BUILD_SUBDIRS:
        build_dirs.append(util.abs_join(root_dir, dname))
    build_dirs.sort()
    util.ensure_dirs(build_dirs)

    # Archive the code
    cmd = [util.abs_join(find_root(), 'tools', 'make-tarball')]
    (stdout, _stderr) = util.subp(cmd)
    archive_fn = stdout.strip()
    real_archive_fn = os.path.join(arc_dir, os.path.basename(archive_fn))
    shutil.move(archive_fn, real_archive_fn)
    print("Archived the code in %r" % (real_archive_fn))

    # Form the spec file to be used
    tmpl_fn = util.abs_join(find_root(), 'packages',
                            'redhat', 'cloud-init.spec.in')
    contents = generate_spec_contents(args, tmpl_fn, root_dir,
                                      os.path.basename(archive_fn))
    spec_fn = util.abs_join(root_dir, 'cloud-init.spec')
    util.write_file(spec_fn, contents)
    print("Created spec file at %r" % (spec_fn))
    for p in args.patches:
        util.copy(p, util.abs_join(arc_dir, os.path.basename(p)))

    # Now build it!
    print("Running 'rpmbuild' in %r" % (root_dir))
    cmd = ['rpmbuild', '-ba', spec_fn]
    util.subp(cmd, capture=capture)

    # Copy the items built to our local dir
    globs = [] 
    globs.extend(glob.glob("%s/*.rpm" %
                           (util.abs_join(root_dir, 'RPMS', 'noarch'))))
    globs.extend(glob.glob("%s/*.rpm" %
                           (util.abs_join(root_dir, 'RPMS'))))
    globs.extend(glob.glob("%s/*.rpm" %
                           (util.abs_join(root_dir, 'SRPMS'))))
    for rpm_fn in globs:
        tgt_fn = util.abs_join(os.getcwd(), os.path.basename(rpm_fn))
        shutil.move(rpm_fn, tgt_fn)
        print("Wrote out redhat package %r" % (tgt_fn))

    return 0


if __name__ == '__main__':
    sys.exit(main())