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#!/usr/bin/python -tt
#
# Copyright (c) 2009, 2010, 2011 Intel, Inc.
#
# 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; version 2 of the License
#
# 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, write to the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
from __future__ import with_statement
import os
import sys
import glob
import re
import shutil
import subprocess
from mic import bootstrap, msger
from mic.conf import configmgr
from mic.utils import errors, proxy
from mic.utils.fs_related import find_binary_path, makedirs
from mic.chroot import setup_chrootenv, cleanup_chrootenv
expath = lambda p: os.path.abspath(os.path.expanduser(p))
def bootstrap_mic(argv=None):
def mychroot():
os.chroot(rootdir)
os.chdir(cwd)
# by default, sys.argv is used to run mic in bootstrap
if not argv:
argv = sys.argv
if argv[0] not in ('/usr/bin/mic', 'mic'):
argv[0] = '/usr/bin/mic'
cropts = configmgr.create
bsopts = configmgr.bootstrap
distro = bsopts['distro_name'].lower()
rootdir = bsopts['rootdir']
pkglist = bsopts['packages']
cwd = os.getcwd()
# create bootstrap and run mic in bootstrap
bsenv = bootstrap.Bootstrap(rootdir, distro, cropts['arch'])
bsenv.logfile = cropts['logfile']
# rootdir is regenerated as a temp dir
rootdir = bsenv.rootdir
if 'optional' in bsopts:
optlist = bsopts['optional']
else:
optlist = []
try:
msger.info("Creating %s bootstrap ..." % distro)
bsenv.create(cropts['repomd'], pkglist, optlist)
# bootstrap is relocated under "bootstrap"
if os.path.exists(os.path.join(rootdir, "bootstrap")):
rootdir = os.path.join(rootdir, "bootstrap")
bsenv.dirsetup(rootdir)
sync_mic(rootdir)
#FIXME: sync the ks file to bootstrap
if "/" == os.path.dirname(os.path.abspath(configmgr._ksconf)):
safecopy(configmgr._ksconf, rootdir)
msger.info("Start mic in bootstrap: %s\n" % rootdir)
bindmounts = get_bindmounts(cropts)
ret = bsenv.run(argv, cwd, rootdir, bindmounts)
except errors.BootstrapError, err:
msger.warning('\n%s' % err)
if msger.ask("Switch to native mode and continue?"):
return
raise
except RuntimeError, err:
#change exception type but keep the trace back
value, tb = sys.exc_info()[1:]
raise errors.BootstrapError, value, tb
else:
sys.exit(ret)
finally:
bsenv.cleanup()
def get_bindmounts(cropts):
binddirs = [
os.getcwd(),
cropts['tmpdir'],
cropts['cachedir'],
cropts['outdir'],
cropts['local_pkgs_path'],
]
bindfiles = [
cropts['logfile'],
configmgr._ksconf,
]
for lrepo in cropts['localrepos']:
binddirs.append(lrepo)
bindlist = map(expath, filter(None, binddirs))
bindlist += map(os.path.dirname, map(expath, filter(None, bindfiles)))
bindlist = sorted(set(bindlist))
bindmounts = ';'.join(bindlist)
return bindmounts
def get_mic_binpath():
fp = None
try:
import pkg_resources # depends on 'setuptools'
except ImportError:
pass
else:
dist = pkg_resources.get_distribution('mic')
# the real script is under EGG_INFO/scripts
if dist.has_metadata('scripts/mic'):
fp = os.path.join(dist.egg_info, "scripts/mic")
if fp:
return fp
# not found script if 'flat' egg installed
try:
return find_binary_path('mic')
except errors.CreatorError:
raise errors.BootstrapError("Can't find mic binary in host OS")
def get_mic_modpath():
try:
import mic
except ImportError:
raise errors.BootstrapError("Can't find mic module in host OS")
path = os.path.abspath(mic.__file__)
return os.path.dirname(path)
def get_mic_libpath():
# TBD: so far mic lib path is hard coded
return "/usr/lib/mic"
# the hard code path is prepared for bootstrap
def sync_mic(bootstrap, binpth = '/usr/bin/mic',
libpth='/usr/lib',
pylib = '/usr/lib/python2.7/site-packages',
conf = '/etc/mic/mic.conf'):
_path = lambda p: os.path.join(bootstrap, p.lstrip('/'))
micpaths = {
'binpth': get_mic_binpath(),
'libpth': get_mic_libpath(),
'pylib': get_mic_modpath(),
'conf': '/etc/mic/mic.conf',
}
if not os.path.exists(_path(pylib)):
pyptn = '/usr/lib/python?.?/site-packages'
pylibs = glob.glob(_path(pyptn))
if pylibs:
pylib = pylibs[0].replace(bootstrap, '')
else:
raise errors.BootstrapError("Can't find python site dir in: %s" %
bootstrap)
for key, value in micpaths.items():
try:
safecopy(value, _path(eval(key)), False, ["*.pyc", "*.pyo"])
except (OSError, IOError), err:
raise errors.BootstrapError(err)
# auto select backend
conf_str = file(_path(conf)).read()
conf_str = re.sub("pkgmgr\s*=\s*.*", "pkgmgr=auto", conf_str)
with open(_path(conf), 'w') as wf:
wf.write(conf_str)
# chmod +x /usr/bin/mic
os.chmod(_path(binpth), 0777)
# correct python interpreter
mic_cont = file(_path(binpth)).read()
mic_cont = "#!/usr/bin/python\n" + mic_cont
with open(_path(binpth), 'w') as wf:
wf.write(mic_cont)
def safecopy(src, dst, symlinks=False, ignore_ptns=()):
if os.path.isdir(src):
if os.path.isdir(dst):
dst = os.path.join(dst, os.path.basename(src))
if os.path.exists(dst):
shutil.rmtree(dst, ignore_errors=True)
src = src.rstrip('/')
# check common prefix to ignore copying itself
if dst.startswith(src + '/'):
ignore_ptns = list(ignore_ptns) + [ os.path.basename(src) ]
ignores = shutil.ignore_patterns(*ignore_ptns)
try:
shutil.copytree(src, dst, symlinks, ignores)
except (OSError, IOError):
shutil.rmtree(dst, ignore_errors=True)
raise
else:
if not os.path.isdir(dst):
makedirs(os.path.dirname(dst))
shutil.copy2(src, dst)
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