Fabio Erculiani
761 lines
27 KiB
Python
761 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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# Molecule Disc Image builder for Sabayon Linux
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# Copyright (C) 2009 Fabio Erculiani
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#
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# This program 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 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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 this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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import os
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import shutil
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import tempfile
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from molecule.compat import get_stringtype
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from molecule.i18n import _
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from molecule.output import red, brown, blue, green, purple, darkgreen, \
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darkred, bold, darkblue, readtext
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import molecule.utils
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from molecule.specs.skel import GenericExecutionStep, GenericSpec
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class BuiltinHandlerMixin:
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"""
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This class contains code in common between built-in handler classes.
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"""
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def _run_error_script(self, source_chroot_dir, chroot_dir, cdroot_dir,
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env = None):
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error_script = self.metadata.get('error_script')
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if error_script:
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if env is None:
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env = os.environ.copy()
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else:
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env = env.copy()
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if source_chroot_dir:
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env['SOURCE_CHROOT_DIR'] = source_chroot_dir
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if chroot_dir:
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env['CHROOT_DIR'] = chroot_dir
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if cdroot_dir:
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env['CDROOT_DIR'] = cdroot_dir
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self._output.output("[%s|%s] %s: %s" % (
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blue("BuiltinHandler"), darkred(self.spec_name),
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_("spawning"), " ".join(error_script),
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)
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)
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molecule.utils.exec_cmd(error_script, env = env)
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def _exec_inner_script(self, exec_script, dest_chroot):
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source_exec = exec_script[0]
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with open(source_exec, "rb") as f_src:
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tmp_fd, tmp_exec = tempfile.mkstemp(dir = dest_chroot,
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prefix = "molecule_inner")
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f_dst = os.fdopen(tmp_fd, "wb")
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try:
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shutil.copyfileobj(f_src, f_dst)
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finally:
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f_dst.flush()
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f_dst.close()
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shutil.copystat(source_exec, tmp_exec)
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os.chmod(tmp_exec, 0o744)
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dest_exec = os.path.basename(tmp_exec)
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if not dest_exec.startswith("/"):
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dest_exec = "/%s" % (dest_exec,)
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rc = molecule.utils.exec_chroot_cmd([dest_exec] + exec_script[1:],
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dest_chroot, pre_chroot = self.metadata.get('prechroot', []))
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os.remove(tmp_exec)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("BuiltinHandler"), darkred(self.spec_name),
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_("inner chroot hook failed"), rc,
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)
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)
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return rc
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class MirrorHandler(GenericExecutionStep, BuiltinHandlerMixin):
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def __init__(self, *args, **kwargs):
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GenericExecutionStep.__init__(self, *args, **kwargs)
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def setup(self):
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# creating destination chroot dir
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self.source_dir = self.metadata['source_chroot']
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self.dest_dir = os.path.join(
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self.metadata['destination_chroot'], "chroot",
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os.path.basename(self.source_dir)
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)
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if not os.path.isdir(self.dest_dir):
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os.makedirs(self.dest_dir, 0o755)
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return 0
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def pre_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("executing pre_run"),
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)
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)
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exec_script = self.metadata.get('inner_source_chroot_script')
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if exec_script:
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if os.path.isfile(exec_script[0]) and \
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os.access(exec_script[0], os.R_OK):
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rc = self._exec_inner_script(exec_script, self.source_dir)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("inner_source_chroot_script failed"), rc,
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)
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)
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return rc
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("pre_run completed successfully"),
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)
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)
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return 0
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def post_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("executing post_run"),
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)
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)
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return 0
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def kill(self, success = True):
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if not success:
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self._run_error_script(self.source_dir, self.dest_dir, None)
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("executing kill"),
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)
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)
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return 0
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def run(self):
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("mirroring running"),
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)
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)
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# running sync
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args = [self._config['mirror_syncer']]
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args.extend(self._config['mirror_syncer_builtin_args'])
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args.extend(self.metadata.get('extra_rsync_parameters', []))
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args.extend([self.source_dir+"/*", self.dest_dir])
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self._output.output("[%s|%s] %s: %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("spawning"), " ".join(args),
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)
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)
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rc = molecule.utils.exec_cmd(args)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("mirroring failed"), rc,
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)
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)
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return rc
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self._output.output("[%s|%s] %s" % (
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blue("MirrorHandler"), darkred(self.spec_name),
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_("mirroring completed successfully"),
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)
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)
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return 0
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class ChrootHandler(GenericExecutionStep, BuiltinHandlerMixin):
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def __init__(self, *args, **kwargs):
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GenericExecutionStep.__init__(self, *args, **kwargs)
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def setup(self):
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self.source_dir = self.metadata['source_chroot']
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self.dest_dir = os.path.join(
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self.metadata['destination_chroot'], "chroot",
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os.path.basename(self.source_dir)
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)
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return 0
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def pre_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("executing pre_run"),
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)
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)
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# run outer chroot script
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exec_script = self.metadata.get('outer_chroot_script')
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if exec_script:
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env = os.environ.copy()
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env['CHROOT_DIR'] = self.source_dir
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("spawning"), " ".join(exec_script),
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)
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)
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rc = molecule.utils.exec_cmd(exec_script, env = env)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("outer chroot hook failed"), rc,
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)
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)
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return rc
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return 0
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def post_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("executing post_run"),
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)
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)
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# now remove paths to empty
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empty_paths = self.metadata.get('paths_to_empty', [])
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for mypath in empty_paths:
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mypath = self.dest_dir+mypath
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("emptying dir"), mypath,
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)
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)
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if os.path.isdir(mypath):
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molecule.utils.empty_dir(mypath)
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# now remove paths to remove (...)
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remove_paths = self.metadata.get('paths_to_remove', [])
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# setup sandbox
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sb_dirs = [self.dest_dir]
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sb_env = {
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'SANDBOX_WRITE': ':'.join(sb_dirs),
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}
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myenv = os.environ.copy()
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myenv.update(sb_env)
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for mypath in remove_paths:
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mypath = self.dest_dir+mypath
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("removing dir"), mypath,
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)
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)
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rc = molecule.utils.remove_path_sandbox(mypath, sb_env)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("removal failed for"), mypath, rc,
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)
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)
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return rc
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# write release file
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release_file = self.metadata.get('release_file')
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if isinstance(release_file, get_stringtype()) and release_file:
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if release_file[0] == os.sep:
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release_file = release_file[len(os.sep):]
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release_file = os.path.join(self.dest_dir, release_file)
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if os.path.lexists(release_file) and not os.path.isfile(release_file):
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("release file creation failed, not a file"),
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release_file,
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)
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)
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return 1
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release_string = self.metadata.get('release_string', '')
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release_version = self.metadata.get('release_version', '')
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release_desc = self.metadata.get('release_desc', '')
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file_string = "%s %s %s\n" % (release_string, release_version, release_desc,)
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try:
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f = open(release_file, "w")
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f.write(file_string)
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f.flush()
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f.close()
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except (IOError, OSError,) as e:
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self._output.output("[%s|%s] %s: %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("release file creation failed, system error"),
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release_file, e,
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)
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)
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return 1
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# run outer chroot script after
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exec_script = self.metadata.get('outer_chroot_script_after')
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if exec_script:
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env = os.environ.copy()
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env['CHROOT_DIR'] = self.source_dir
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("spawning"), " ".join(exec_script),
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)
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)
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rc = molecule.utils.exec_cmd(exec_script, env = env)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("outer chroot hook (after inner) failed"), rc,
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)
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)
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return rc
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return 0
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def kill(self, success = True):
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if not success:
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self._run_error_script(self.source_dir, self.dest_dir, None)
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self._output.output("[%s|%s] %s" % (
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blue("ChrootHandler"),
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darkred(self.spec_name), _("executing kill"),
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)
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)
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return 0
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def run(self):
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self._output.output("[%s|%s] %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("hooks running"),
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)
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)
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# run inner chroot script
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exec_script = self.metadata.get('inner_chroot_script')
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if exec_script:
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if os.path.isfile(exec_script[0]) and os.access(exec_script[0], os.R_OK):
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rc = self._exec_inner_script(exec_script, self.dest_dir)
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if rc != 0:
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return rc
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self._output.output("[%s|%s] %s" % (
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blue("ChrootHandler"), darkred(self.spec_name),
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_("hooks completed succesfully"),
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)
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)
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return 0
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class CdrootHandler(GenericExecutionStep, BuiltinHandlerMixin):
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def __init__(self, *args, **kwargs):
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GenericExecutionStep.__init__(self, *args, **kwargs)
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def setup(self):
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self.source_chroot = os.path.join(
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self.metadata['destination_chroot'], "chroot",
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os.path.basename(self.metadata['source_chroot'])
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)
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self.dest_root = os.path.join(
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self.metadata['destination_livecd_root'], "livecd",
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os.path.basename(self.metadata['source_chroot'])
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)
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if os.path.isdir(self.dest_root):
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molecule.utils.empty_dir(self.dest_root)
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if not os.path.isdir(self.dest_root):
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os.makedirs(self.dest_root, 0o755)
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return 0
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def pre_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("executing pre_run"),
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)
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)
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("preparing environment"),
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)
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)
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return 0
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def post_run(self):
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("executing post_run"),
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)
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)
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return 0
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def kill(self, success = True):
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if not success:
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self._run_error_script(None, self.source_chroot,
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self.dest_root)
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("executing kill"),
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)
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)
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return 0
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def run(self):
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("compressing chroot"),
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)
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)
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args = [self._config['chroot_compressor']]
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comp_output = self._config['chroot_compressor_output_file']
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if "chroot_compressor_output_file" in self.metadata:
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comp_output = self.metadata.get('chroot_compressor_output_file')
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comp_output = os.path.join(self.dest_root, comp_output)
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args.extend([self.source_chroot, comp_output])
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args.extend(self._config['chroot_compressor_builtin_args'])
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args.extend(self.metadata.get('extra_mksquashfs_parameters', []))
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self._output.output("[%s|%s] %s: %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("spawning"), " ".join(args),
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)
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)
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rc = molecule.utils.exec_cmd(args)
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if rc != 0:
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self._output.output("[%s|%s] %s: %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("chroot compression failed"), rc,
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)
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)
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return rc
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self._output.output("[%s|%s] %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("chroot compressed successfully"),
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)
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)
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# merge dir
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merge_dir = self.metadata.get('merge_livecd_root')
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if merge_dir:
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if os.path.isdir(merge_dir):
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self._output.output("[%s|%s] %s %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("merging livecd root"), merge_dir,)
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)
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import stat
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try:
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content = os.listdir(merge_dir)
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for mypath in content:
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mysource = os.path.join(merge_dir, mypath)
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mydest = os.path.join(self.dest_root, mypath)
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copystat = False
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if os.path.islink(mysource):
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tolink = os.readlink(mysource)
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os.symlink(tolink, mydest)
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elif os.path.isfile(mysource) or os.path.islink(mysource):
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copystat = True
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shutil.copy2(mysource, mydest)
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elif os.path.isdir(mysource):
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copystat = True
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shutil.copytree(mysource, mydest)
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if copystat:
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user = os.stat(mysource)[stat.ST_UID]
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group = os.stat(mysource)[stat.ST_GID]
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os.chown(mydest, user, group)
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shutil.copystat(mysource, mydest)
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except OSError as err:
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self._output.output("[%s|%s] %s: %s" % (
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blue("CdrootHandler"), darkred(self.spec_name),
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_("cannot merge livecd root, improper usage or system error"), err,)
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)
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return 1
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return 0
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class IsoHandler(GenericExecutionStep, BuiltinHandlerMixin):
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MD5_EXT = ".md5"
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def __init__(self, *args, **kwargs):
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GenericExecutionStep.__init__(self, *args, **kwargs)
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def setup(self):
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# setup paths
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self.source_path = os.path.join(
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self.metadata['destination_livecd_root'], "livecd",
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os.path.basename(self.metadata['source_chroot'])
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)
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dest_iso_dir = self.metadata['destination_iso_directory']
|
|
if not os.path.isdir(dest_iso_dir):
|
|
os.makedirs(dest_iso_dir, 0o755)
|
|
dest_iso_filename = self.metadata.get('destination_iso_image_name')
|
|
release_string = self.metadata.get('release_string', '')
|
|
release_version = self.metadata.get('release_version', '')
|
|
release_desc = self.metadata.get('release_desc', '')
|
|
if not dest_iso_filename:
|
|
dest_iso_filename = "%s_%s_%s.iso" % (
|
|
release_string.replace(' ', '_'),
|
|
release_version.replace(' ', '_'),
|
|
release_desc.replace(' ', '_'),
|
|
)
|
|
self.dest_iso = os.path.join(dest_iso_dir, dest_iso_filename)
|
|
self.iso_title = "%s %s %s" % (release_string, release_version, release_desc,)
|
|
self.source_chroot = self.metadata['source_chroot']
|
|
self.chroot_dir = os.path.join(
|
|
self.metadata['destination_chroot'], "chroot",
|
|
os.path.basename(self.source_chroot)
|
|
)
|
|
return 0
|
|
|
|
def pre_run(self):
|
|
self._output.output("[%s|%s] %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("executing pre_run"),
|
|
)
|
|
)
|
|
|
|
# run pre iso script
|
|
exec_script = self.metadata.get('pre_iso_script')
|
|
if exec_script:
|
|
env = os.environ.copy()
|
|
env['SOURCE_CHROOT_DIR'] = self.source_chroot
|
|
env['CHROOT_DIR'] = self.chroot_dir
|
|
env['CDROOT_DIR'] = self.source_path
|
|
env['ISO_PATH'] = self.dest_iso
|
|
env['ISO_CHECKSUM_PATH'] = self.dest_iso + IsoHandler.MD5_EXT
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("spawning"), " ".join(exec_script),
|
|
)
|
|
)
|
|
rc = molecule.utils.exec_cmd(exec_script, env = env)
|
|
if rc != 0:
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("pre iso hook failed"), rc,
|
|
)
|
|
)
|
|
return rc
|
|
|
|
return 0
|
|
|
|
def post_run(self):
|
|
self._output.output("[%s|%s] %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("executing post_run"),
|
|
)
|
|
)
|
|
|
|
# run post iso script
|
|
exec_script = self.metadata.get('post_iso_script')
|
|
if exec_script:
|
|
env = os.environ.copy()
|
|
env['ISO_PATH'] = self.dest_iso
|
|
env['ISO_CHECKSUM_PATH'] = self.dest_iso + IsoHandler.MD5_EXT
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("spawning"), " ".join(exec_script),
|
|
)
|
|
)
|
|
rc = molecule.utils.exec_cmd(exec_script, env = env)
|
|
if rc != 0:
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("post iso hook failed"), rc,
|
|
)
|
|
)
|
|
return rc
|
|
|
|
return 0
|
|
|
|
def kill(self, success = True):
|
|
if not success:
|
|
self._run_error_script(self.source_chroot, self.chroot_dir,
|
|
self.source_path)
|
|
self._output.output("[%s|%s] %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("executing kill"),
|
|
)
|
|
)
|
|
return 0
|
|
|
|
def run(self):
|
|
|
|
self._output.output("[%s|%s] %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("building ISO image"),
|
|
)
|
|
)
|
|
|
|
args = [self._config['iso_builder']]
|
|
args.extend(self._config['iso_builder_builtin_args'])
|
|
args.extend(self.metadata.get('extra_mkisofs_parameters', []))
|
|
if self.iso_title.strip():
|
|
args.extend(["-V", '"', self.iso_title[:30], '"'])
|
|
args.extend(['-o', self.dest_iso, self.source_path])
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("spawning"), " ".join(args),
|
|
)
|
|
)
|
|
rc = molecule.utils.exec_cmd(args)
|
|
if rc != 0:
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("ISO image build failed"), rc,
|
|
)
|
|
)
|
|
return rc
|
|
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("built ISO image"), self.dest_iso,
|
|
)
|
|
)
|
|
if os.path.isfile(self.dest_iso) and os.access(self.dest_iso, os.R_OK):
|
|
self._output.output("[%s|%s] %s: %s" % (
|
|
blue("IsoHandler"), darkred(self.spec_name),
|
|
_("generating md5 for"), self.dest_iso,
|
|
)
|
|
)
|
|
digest = molecule.utils.md5sum(self.dest_iso)
|
|
md5file = self.dest_iso + IsoHandler.MD5_EXT
|
|
with open(md5file, "w") as f:
|
|
f.write("%s %s\n" % (digest, os.path.basename(self.dest_iso),))
|
|
f.flush()
|
|
|
|
return 0
|
|
|
|
class LivecdSpec(GenericSpec):
|
|
|
|
PLUGIN_API_VERSION = 0
|
|
|
|
@staticmethod
|
|
def execution_strategy():
|
|
return "livecd"
|
|
|
|
def vital_parameters(self):
|
|
return [
|
|
"release_string",
|
|
"source_chroot",
|
|
"destination_iso_directory",
|
|
"destination_livecd_root",
|
|
]
|
|
|
|
def parser_data_path(self):
|
|
return {
|
|
'execution_strategy': {
|
|
'cb': self.ne_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'prechroot': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'release_string': {
|
|
'cb': self.ne_string, # validation callback
|
|
've': self.ve_string_stripper, # value extractor
|
|
},
|
|
'release_version': {
|
|
'cb': self.ne_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'release_desc': {
|
|
'cb': self.ne_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'release_file': {
|
|
'cb': self.ne_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'source_chroot': {
|
|
'cb': self.valid_dir,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'destination_chroot': {
|
|
'cb': self.valid_path_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'extra_rsync_parameters': {
|
|
'cb': self.always_valid,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'merge_destination_chroot': {
|
|
'cb': self.valid_dir,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'error_script': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'outer_chroot_script': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'inner_source_chroot_script': {
|
|
'cb': self.valid_path_string_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'inner_chroot_script': {
|
|
'cb': self.valid_path_string_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'outer_chroot_script_after': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'destination_livecd_root': {
|
|
'cb': self.valid_path_string,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'merge_livecd_root': {
|
|
'cb': self.valid_dir,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'extra_mksquashfs_parameters': {
|
|
'cb': self.always_valid,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'extra_mkisofs_parameters': {
|
|
'cb': self.always_valid,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'pre_iso_script': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'post_iso_script': {
|
|
'cb': self.valid_exec_first_list_item,
|
|
've': self.ve_string_splitter,
|
|
},
|
|
'destination_iso_directory': {
|
|
'cb': self.valid_dir,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'destination_iso_image_name': {
|
|
'cb': self.valid_ascii,
|
|
've': self.ve_string_stripper,
|
|
},
|
|
'paths_to_remove': {
|
|
'cb': self.ne_list,
|
|
've': self.valid_path_list,
|
|
},
|
|
'paths_to_empty': {
|
|
'cb': self.ne_list,
|
|
've': self.valid_path_list,
|
|
},
|
|
|
|
}
|
|
|
|
def get_execution_steps(self):
|
|
return [MirrorHandler, ChrootHandler, CdrootHandler, IsoHandler]
|