1 files changed, 255 insertions, 0 deletions

diff --git a/scripts/lib/mic/plugins/imager/livecd_plugin.py b/scripts/lib/mic/plugins/imager/livecd_plugin.py
new file mode 100644
index 0000000000..d24ef59264
--- /dev/null
+++ b/scripts/lib/mic/plugins/imager/livecd_plugin.py
@@ -0,0 +1,255 @@
+#!/usr/bin/python -tt
+#
+# Copyright (c) 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.
+
+import os
+import shutil
+import tempfile
+
+from mic import chroot, msger, rt_util
+from mic.utils import misc, fs_related, errors
+from mic.conf import configmgr
+import mic.imager.livecd as livecd
+from mic.plugin import pluginmgr
+
+from mic.pluginbase import ImagerPlugin
+class LiveCDPlugin(ImagerPlugin):
+    name = 'livecd'
+
+    @classmethod
+    def do_create(self, subcmd, opts, *args):
+        """${cmd_name}: create livecd 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()
+
+        if creatoropts['arch'] and creatoropts['arch'].startswith('arm'):
+            msger.warning('livecd cannot support arm images, Quit')
+            return
+
+        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
+
+        # Called After setting the configmgr._ksconf as the creatoropts['name'] is reset there.
+        if creatoropts['release'] is not None:
+            creatoropts['outdir'] = "%s/%s/images/%s/" % (creatoropts['outdir'], creatoropts['release'], creatoropts['name'])
+
+        # 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 = livecd.LiveCDImageCreator(creatoropts, pkgmgr)
+
+        if len(recording_pkgs) > 0:
+            creator._recording_pkgs = recording_pkgs
+
+        self.check_image_exists(creator.destdir,
+                                creator.pack_to,
+                                [creator.name + ".iso"],
+                                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["outdir"])
+            if creatoropts['release'] is not None:
+                creator.release_output(ksconf, creatoropts['outdir'], 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=[]):
+        os_image = cls.do_unpack(target)
+        os_image_dir = os.path.dirname(os_image)
+
+        # unpack image to target dir
+        imgsize = misc.get_file_size(os_image) * 1024L * 1024L
+        imgtype = misc.get_image_type(os_image)
+        if imgtype == "btrfsimg":
+            fstype = "btrfs"
+            myDiskMount = fs_related.BtrfsDiskMount
+        elif imgtype in ("ext3fsimg", "ext4fsimg"):
+            fstype = imgtype[:4]
+            myDiskMount = fs_related.ExtDiskMount
+        else:
+            raise errors.CreatorError("Unsupported filesystem type: %s" % fstype)
+
+        extmnt = misc.mkdtemp()
+        extloop = myDiskMount(fs_related.SparseLoopbackDisk(os_image, imgsize),
+                              extmnt,
+                              fstype,
+                              4096,
+                              "%s label" % fstype)
+        try:
+            extloop.mount()
+
+        except errors.MountError:
+            extloop.cleanup()
+            shutil.rmtree(extmnt, ignore_errors = True)
+            shutil.rmtree(os_image_dir, ignore_errors = True)
+            raise
+
+        try:
+            if len(cmd) != 0:
+                cmdline = ' '.join(cmd)
+            else:
+                cmdline = "/bin/bash"
+            envcmd = fs_related.find_binary_inchroot("env", extmnt)
+            if envcmd:
+                cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
+            chroot.chroot(extmnt, None, cmdline)
+        except:
+            raise errors.CreatorError("Failed to chroot to %s." %target)
+        finally:
+            chroot.cleanup_after_chroot("img", extloop, os_image_dir, extmnt)
+
+    @classmethod
+    def do_pack(cls, base_on):
+        import subprocess
+
+        def __mkinitrd(instance):
+            kernelver = instance._get_kernel_versions().values()[0][0]
+            args = [ "/usr/libexec/mkliveinitrd", "/boot/initrd-%s.img" % kernelver, "%s" % kernelver ]
+            try:
+                subprocess.call(args, preexec_fn = instance._chroot)
+            except OSError, (err, msg):
+                raise errors.CreatorError("Failed to execute /usr/libexec/mkliveinitrd: %s" % msg)
+
+        def __run_post_cleanups(instance):
+            kernelver = instance._get_kernel_versions().values()[0][0]
+            args = ["rm", "-f", "/boot/initrd-%s.img" % kernelver]
+
+            try:
+                subprocess.call(args, preexec_fn = instance._chroot)
+            except OSError, (err, msg):
+                raise errors.CreatorError("Failed to run post cleanups: %s" % msg)
+
+        convertoropts = configmgr.convert
+        convertoropts['name'] = os.path.splitext(os.path.basename(base_on))[0]
+        convertor = livecd.LiveCDImageCreator(convertoropts)
+        imgtype = misc.get_image_type(base_on)
+        if imgtype == "btrfsimg":
+            fstype = "btrfs"
+        elif imgtype in ("ext3fsimg", "ext4fsimg"):
+            fstype = imgtype[:4]
+        else:
+            raise errors.CreatorError("Unsupported filesystem type: %s" % fstype)
+        convertor._set_fstype(fstype)
+        try:
+            convertor.mount(base_on)
+            __mkinitrd(convertor)
+            convertor._create_bootconfig()
+            __run_post_cleanups(convertor)
+            convertor.launch_shell(convertoropts['shell'])
+            convertor.unmount()
+            convertor.package()
+            convertor.print_outimage_info()
+        finally:
+            shutil.rmtree(os.path.dirname(base_on), ignore_errors = True)
+
+    @classmethod
+    def do_unpack(cls, srcimg):
+        img = srcimg
+        imgmnt = misc.mkdtemp()
+        imgloop = fs_related.DiskMount(fs_related.LoopbackDisk(img, 0), imgmnt)
+        try:
+            imgloop.mount()
+        except errors.MountError:
+            imgloop.cleanup()
+            raise
+
+        # legacy LiveOS filesystem layout support, remove for F9 or F10
+        if os.path.exists(imgmnt + "/squashfs.img"):
+            squashimg = imgmnt + "/squashfs.img"
+        else:
+            squashimg = imgmnt + "/LiveOS/squashfs.img"
+
+        tmpoutdir = misc.mkdtemp()
+        # unsquashfs requires outdir mustn't exist
+        shutil.rmtree(tmpoutdir, ignore_errors = True)
+        misc.uncompress_squashfs(squashimg, tmpoutdir)
+
+        try:
+            # legacy LiveOS filesystem layout support, remove for F9 or F10
+            if os.path.exists(tmpoutdir + "/os.img"):
+                os_image = tmpoutdir + "/os.img"
+            else:
+                os_image = tmpoutdir + "/LiveOS/ext3fs.img"
+
+            if not os.path.exists(os_image):
+                raise errors.CreatorError("'%s' is not a valid live CD ISO : neither "
+                                          "LiveOS/ext3fs.img nor os.img exist" %img)
+
+            imgname = os.path.basename(srcimg)
+            imgname = os.path.splitext(imgname)[0] + ".img"
+            rtimage = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), imgname)
+            shutil.copyfile(os_image, rtimage)
+
+        finally:
+            imgloop.cleanup()
+            shutil.rmtree(tmpoutdir, ignore_errors = True)
+            shutil.rmtree(imgmnt, ignore_errors = True)
+
+        return rtimage