8af1add2a6
Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
147 lines
3.7 KiB
Python
147 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2013 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import logging
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import os
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import subprocess
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import stat
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import tempfile
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import cdist.config
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import cdist.exec.local
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import cdist.exec.remote
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log = logging.getLogger(__name__)
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class PreOSExistsError(cdist.Error):
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def __init__(self, path):
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self.path = path
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def __str__(self):
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return 'Path %s already exists' % self.path
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class PreOS(object):
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def __init__(self, target_dir, arch="amd64"):
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self.target_dir = target_dir
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self.arch = arch
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self.command = "debootstrap"
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self.suite = "wheezy"
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self.options = [ "--include=openssh-server",
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"--arch=%s" % self.arch ]
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self._init_helper()
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def _init_helper(self):
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self.helper = {}
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self.helper["manifest"] = """
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for pkg in linux-image-amd64 openssh-server; do
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__package $pkg --state present
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done
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"""
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self.helper["remote_exec"] = """#!/bin/sh
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# echo $@
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# set -x
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chroot="$1"; shift
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script=$(mktemp "${chroot}/tmp/chroot-${0##*/}.XXXXXXXXXX")
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trap cleanup INT TERM EXIT
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cleanup() {
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[ $__cdist_debug ] || rm "$script"
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}
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echo "#!/bin/sh -l" > "$script"
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echo "$@" >> "$script"
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chmod +x "$script"
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relative_script="${script#$chroot}"
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# run in chroot
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chroot "$chroot" "$relative_script"
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"""
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self.helper["remote_copy"] = """#!/bin/sh
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echo $@
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set -x
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src=$1; shift
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dst=$1; shift
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real_dst=$(echo $dst | sed 's,:,,')
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cp -L "$src" "$real_dst"
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"""
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@property
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def exists(self):
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return os.path.exists(self.target_dir)
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def bootstrap(self):
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if self.exists:
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raise PreOSExistsError(self.target_dir)
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cmd = [ self.command ]
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cmd.extend(self.options)
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cmd.append(self.suite)
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cmd.append(self.target_dir)
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log.debug("Bootstrap: %s" % cmd)
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subprocess.call(cmd)
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def create_helper_files(self, base_dir):
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for key, val in self.helper.items():
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filename = os.path.join(base_dir, key)
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with open(filename, "w") as fd:
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fd.write(val)
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os.chmod(filename, stat.S_IRUSR | stat.S_IXUSR)
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def config(self):
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handle, path = tempfile.mkstemp(prefix='cdist.stdin.')
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with tempfile.TemporaryDirectory() as tempdir:
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host = self.target_dir
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self.create_helper_files(tempdir)
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local = cdist.exec.local.Local(
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target_host=host,
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initial_manifest=os.path.join(tempdir, "manifest")
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)
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remote = cdist.exec.remote.Remote(
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target_host=host,
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remote_exec=os.path.join(tempdir, "remote_exec"),
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remote_copy=os.path.join(tempdir, "remote_copy"),
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)
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config = cdist.config.Config(local, remote)
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config.run()
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@classmethod
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def commandline(cls, args):
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self = cls(target_dir=args.target_dir[0],
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arch=args.arch)
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if args.bootstrap:
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self.bootstrap()
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if args.config:
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self.config()
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