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| -rw-r--r-- | plugins/imager/qcow_plugin.py | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/plugins/imager/qcow_plugin.py b/plugins/imager/qcow_plugin.py new file mode 100644 index 0000000..03ed0da --- /dev/null +++ b/plugins/imager/qcow_plugin.py @@ -0,0 +1,170 @@ +# +# Copyright (c) 2014 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. + +import os +import shutil + +from mic import msger, rt_util +from mic.conf import configmgr +from mic.plugin import pluginmgr +from mic.pluginbase import ImagerPlugin +from mic.imager.loop import LoopImageCreator +from mic.utils import errors, fs_related, runner + +class QcowImageCreator(LoopImageCreator): + img_format = 'qcow' + + def __init__(self, creatoropts=None, pkgmgr=None): + LoopImageCreator.__init__(self, creatoropts, pkgmgr) + self.cmd_qemuimg = 'qemu-img' + + def _stage_final_image(self): + try: + self.cmd_qemuimg = fs_related.find_binary_path('qemu-img') + except errors.CreatorError: + return LoopImageCreator._stage_final_image(self) + + self._resparse() + + imgfile = None + for item in self._instloops: + if item['mountpoint'] == '/': + if item['fstype'] == "ext4": + runner.show('/sbin/tune2fs -O ^huge_file,extents,uninit_bg %s' + % imgfile) + self.image_files.setdefault('partitions', {}).update( + {item['mountpoint']: item['label']}) + imgfile = os.path.join(self._imgdir, item['name']) + + if imgfile: + qemuimage = imgfile + ".x86" + runner.show("%s convert -O qcow2 %s %s" + % (self.cmd_qemuimg, imgfile, qemuimage)) + os.unlink(imgfile) + os.rename(qemuimage, imgfile) + + for item in os.listdir(self._imgdir): + shutil.move(os.path.join(self._imgdir, item), + os.path.join(self._outdir, item)) + +class QcowPlugin(ImagerPlugin): + name = 'qcow' + + @classmethod + def do_create(cls, subcmd, opts, *args): + """${cmd_name}: create qcow image + + Usage: + ${name} ${cmd_name} <ksfile> [OPTS] + + ${cmd_option_list} + """ + if len(args) != 1: + raise errors.Usage("Extra arguments given") + + creatoropts = configmgr.create + ksconf = args[0] + + if creatoropts['runtime'] == "bootstrap": + configmgr._ksconf = ksconf + rt_util.bootstrap_mic() + elif not rt_util.inbootstrap(): + try: + fs_related.find_binary_path('mic-native') + except errors.CreatorError: + if not msger.ask("Subpackage \"mic-native\" has not been " + "installed in your host system, still " + "continue with \"native\" running mode?", + False): + raise errors.Abort("Abort because subpackage 'mic-native' " + "has not been installed") + + recording_pkgs = [] + if len(creatoropts['record_pkgs']) > 0: + recording_pkgs = creatoropts['record_pkgs'] + + if creatoropts['release'] is not None: + if 'name' not in recording_pkgs: + recording_pkgs.append('name') + if 'vcs' not in recording_pkgs: + recording_pkgs.append('vcs') + + configmgr._ksconf = ksconf + + # try to find the pkgmgr + pkgmgr = None + backends = pluginmgr.get_plugins('backend') + if 'auto' == creatoropts['pkgmgr']: + for key in configmgr.prefer_backends: + if key in backends: + pkgmgr = backends[key] + break + else: + for key in backends.keys(): + if key == creatoropts['pkgmgr']: + pkgmgr = backends[key] + break + + if not pkgmgr: + raise errors.CreatorError("Can't find backend: %s, " + "available choices: %s" % + (creatoropts['pkgmgr'], + ','.join(backends.keys()))) + + creator = QcowImageCreator(creatoropts, + pkgmgr) + + if len(recording_pkgs) > 0: + creator._recording_pkgs = recording_pkgs + + image_names = [creator.name + ".img"] + image_names.extend(creator.get_image_names()) + cls.check_image_exists(creator.destdir, + creator.pack_to, + image_names, + creatoropts['release']) + + try: + creator.check_depend_tools() + creator.mount(None, creatoropts["cachedir"]) + creator.install() + creator.configure(creatoropts["repomd"]) + creator.copy_kernel() + creator.unmount() + creator.package(creatoropts["destdir"]) + creator.create_manifest() + + if creatoropts['release'] is not None: + creator.release_output(ksconf, + creatoropts['destdir'], + creatoropts['release']) + creator.print_outimage_info() + + except errors.CreatorError: + raise + finally: + creator.cleanup() + + msger.info("Finished.") + return 0 + + @classmethod + def do_chroot(cls, target, cmd=[]): + pass + + @classmethod + def do_unpack(cls, srcimg): + pass |