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#!/usr/bin/python
import contextlib
import glob
import os
import shutil
import subprocess
import sys
import tempfile
import tempita
# Mapping of expected packages to there full name...
PKG_MP = {
'boto': 'python-boto',
'tempita': 'python-tempita',
'prettytable': 'python-prettytable',
'oauth': 'python-oauth',
'configobj': 'python-configobj',
'yaml': 'PyYAML',
'argparse': 'python-argparse'
}
@contextlib.contextmanager
def tmpdir():
t = tempfile.mkdtemp()
try:
yield t
finally:
shutil.rmtree(t)
def join(*paths):
p = os.path.join(*paths)
return os.path.abspath(p)
def tiny_p(cmd):
# Darn python 2.6 doesn't have check_output (argggg)
info("Running %s" % (cmd))
sp = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, stdin=None)
(out, err) = sp.communicate()
if sp.returncode not in [0]:
raise RuntimeError("Failed running %s [rc=%s]" % (cmd, sp.returncode))
return (out, err)
def info(msg):
print("INFO: %s" % (msg))
def warn(msg):
print("WARNING: %s" % (msg))
def generate_spec_contents(tmpl_fn):
# Version junk
cmd = [sys.executable, join(os.pardir, 'tools', 'read-version')]
(stdout, _stderr) = tiny_p(cmd)
i_version = stdout.strip()
# Tmpl params
subs = {}
subs['version'] = i_version
(stdout, _stderr) = tiny_p(['bzr', 'revno'])
subs['revno'] = "%s" % (stdout.strip())
subs['release'] = "%s" % (subs['revno'])
subs['archive_name'] = '%{name}-%{version}-' + subs['revno'] + '.tar.gz'
subs['bd_requires'] = ['python-devel', 'python-setuptools']
requires = []
cmd = [sys.executable, join(os.pardir, 'tools', 'read-dependencies')]
(stdout, _stderr) = tiny_p(cmd)
pkgs = stdout.splitlines()
# Map to known packages
for e in pkgs:
e = e.lower().strip()
tgt_pkg = None
for n in PKG_MP.keys():
if e.find(n) != -1:
tgt_pkg = PKG_MP.get(n)
if not tgt_pkg:
raise RuntimeError(("Do not know how to translate %s to "
" a known package") % (e))
else:
requires.append(tgt_pkg)
base_name = 'cloud-init-%s-%s' % (i_version, subs['revno'])
subs['requires'] = requires
(stdout, _stderr) = tiny_p([sys.executable,
join(os.getcwd(), 'rpm-changelog')])
subs['changelog'] = stdout
# See: http://www.zarb.org/~jasonc/macros.php
# Pickup any special files
docs = [
'TODO',
'LICENSE',
'ChangeLog',
'Requires',
'%{_defaultdocdir}/cloud-init/*',
]
subs['docs'] = docs
configs = [
'cloud/cloud.cfg',
'cloud/cloud.cfg.d/*.cfg',
'cloud/cloud.cfg.d/README',
'cloud/templates/*',
]
subs['configs'] = configs
other_files = [
'%{_bindir}/*',
'/usr/lib/cloud-init/*',
]
subs['files'] = other_files
with open(tmpl_fn, 'r') as fh:
tmpl = tempita.Template(fh.read())
contents = tmpl.substitute(**subs)
return (base_name, '%s.tar.gz' % (base_name), contents)
def main():
# Clean out the root dir and make sure the dirs we want are in place
root_dir = os.path.expanduser("~/rpmbuild")
info("Cleaning %s" % (root_dir))
if os.path.isdir(root_dir):
shutil.rmtree(root_dir)
arc_dir = os.path.join(root_dir, 'SOURCES')
for d in [root_dir, arc_dir]:
os.makedirs(d)
# Form the spec file to be used
tmpl_fn = os.path.join(os.getcwd(), 'brpm.tmpl')
info("Generated spec file from template %s" % (tmpl_fn))
(base_name, arc_name, contents) = generate_spec_contents(tmpl_fn)
spec_fn = os.path.join(root_dir, 'cloud-init.spec')
with open(spec_fn, 'w') as fh:
fh.write(contents)
info("Wrote spec file to %s" % (spec_fn))
# Archive the code and files that we want to
with tmpdir() as td:
src_dir = os.path.join(td, base_name)
os.makedirs(src_dir)
for fn in os.listdir(os.pardir):
if fn.startswith("."):
continue
full_fn = os.path.abspath(os.path.join(os.pardir, fn))
if os.path.isfile(full_fn):
shutil.copy(full_fn, os.path.join(src_dir, fn))
else:
shutil.copytree(full_fn, os.path.join(src_dir, fn),
ignore=shutil.ignore_patterns('*.pyc',
'.bzr',
'tmp*',
'*bzr*'))
arc_fn = os.path.join(arc_dir, arc_name)
cmd = ['tar', '-zcvf', arc_fn, '-C', td]
cmd.extend(os.listdir(td))
tiny_p(cmd)
info("Archived code at %s" % (arc_fn))
# Now build it!
cmd = ['rpmbuild', '-ba', spec_fn]
info("Running rpmbuild %s" % (cmd))
tiny_p(cmd)
info("Rpmbuild completed!")
# Copy the items built to our local dir
globs = []
globs.extend(glob.glob("%s/*.rpm" %
(os.path.join(root_dir, 'RPMS', 'noarch'))))
globs.extend(glob.glob("%s/*.rpm" %
(os.path.join(root_dir, 'RPMS'))))
globs.extend(glob.glob("%s/*.rpm" %
(os.path.join(root_dir, 'SRPMS'))))
for fn in globs:
n = os.path.basename(fn)
tgt_fn = os.path.join(os.getcwd(), n)
util.copy(fn, tgt_fn)
info("Copied %s to %s" % (n, tgt_fn))
return 0
if __name__ == '__main__':
sys.exit(main())
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