Exemple #1
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 def remove(self, *fileglobs):
     '''
     remove FILEGLOB [FILEGLOB ...]
       Remove all the named files or directories.
       Will *not* raise exceptions if the file(s) are not found.
     '''
     for g in fileglobs:
         for f in rglob(self._out(g)):
             remove(f)
             logger.debug("removed %s", f)
Exemple #2
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 def postinstall(self):
     '''Do some post-install setup work with runtime-postinstall.tmpl'''
     # copy configdir into runtime root beforehand
     configdir = joinpaths(self._runner.templatedir,"config_files")
     configdir_path = "tmp/config_files"
     fullpath = joinpaths(self.vars.root, configdir_path)
     if os.path.exists(fullpath):
         remove(fullpath)
     copytree(configdir, fullpath)
     self._runner.run("runtime-postinstall.tmpl", configdir=configdir_path)
Exemple #3
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    def create_runtime(self, outfile="/var/tmp/squashfs.img", compression="xz", compressargs=None, size=2):
        # make live rootfs image - must be named "LiveOS/rootfs.img" for dracut
        compressargs = compressargs or []
        workdir = joinpaths(os.path.dirname(outfile), "runtime-workdir")
        os.makedirs(joinpaths(workdir, "LiveOS"))

        imgutils.mkrootfsimg(self.vars.root, joinpaths(workdir, "LiveOS/rootfs.img"),
                             "Anaconda", size=size)

        # squash the live rootfs and clean up workdir
        imgutils.mksquashfs(workdir, outfile, compression, compressargs)
        remove(workdir)
Exemple #4
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    def removekmod(self, *globs):
        '''
        removekmod GLOB [GLOB...] [--allbut] KEEPGLOB [KEEPGLOB...]
          Remove all files and directories matching the given file globs from the kernel
          modules directory.

          If '--allbut' is used, all the files from the modules will be removed *except*
          the ones which match the file globs. There must be at least one initial GLOB
          to search and one KEEPGLOB to keep. The KEEPGLOB is expanded to be *KEEPGLOB*
          so that it will match anywhere in the path.

          This only removes files from under /lib/modules/*/kernel/

          Examples:
            removekmod sound drivers/media drivers/hwmon drivers/video
            removekmod drivers/char --allbut virtio_console hw_random
        '''
        cmd = " ".join(globs)
        if "--allbut" in globs:
            idx = globs.index("--allbut")
            if idx == 0:
                raise ValueError("removekmod needs at least one GLOB before --allbut")

            # Apply keepglobs anywhere they appear in the path
            keepglobs = globs[idx+1:]
            if len(keepglobs) == 0:
                raise ValueError("removekmod needs at least one GLOB after --allbut")

            globs = globs[:idx]
        else:
            # Nothing to keep
            keepglobs = []

        filelist = set()
        for g in globs:
            for top_dir in rglob(self._out("/lib/modules/*/kernel/"+g)):
                for root, _dirs, files in os.walk(top_dir):
                    filelist.update(root+"/"+f for f in files)

        # Remove anything matching keepglobs from the list
        matches = set()
        for g in keepglobs:
            globs_re = re.compile(fnmatch.translate("*"+g+"*"))
            m = [f for f in filelist if globs_re.match(f)]
            if m:
                matches.update(m)
            else:
                logger.debug("removekmod %s: no files matched!", g)
        remove_files = filelist.difference(matches)

        if remove_files:
            logger.debug("removekmod: removing %d files", len(remove_files))
            list(remove(f) for f in remove_files)
        else:
            logger.debug("removekmod %s: no files to remove!", cmd)
Exemple #5
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def make_live_images(opts, work_dir, disk_img):
    """
    Create live images from direcory or rootfs image

    :param opts: options passed to livemedia-creator
    :type opts: argparse options
    :param str work_dir: Directory for storing results
    :param str disk_img: Path to disk image (fsimage or partitioned)
    :returns: Path of directory with created images or None
    :rtype: str

    fsck.ext4 is run on the rootfs_image to make sure there are no errors and to zero
    out any deleted blocks to make it compress better. If this fails for any reason
    it will return None and log the error.
    """
    sys_root = ""

    squashfs_root_dir = joinpaths(work_dir, "squashfs_root")
    liveos_dir = joinpaths(squashfs_root_dir, "LiveOS")
    os.makedirs(liveos_dir)
    rootfs_img = joinpaths(liveos_dir, "rootfs.img")

    if opts.fs_image or opts.no_virt:
        # Find the ostree root in the fsimage
        if opts.ostree:
            with Mount(disk_img, opts="loop") as mnt_dir:
                sys_root = find_ostree_root(mnt_dir)

        # Try to hardlink the image, if that fails, copy it
        rc = execWithRedirect("/bin/ln", [disk_img, rootfs_img])
        if rc != 0:
            shutil.copy2(disk_img, rootfs_img)
    else:
        is_root_part = None
        if opts.ostree:
            is_root_part = lambda dir: os.path.exists(dir + "/ostree/deploy")
        with PartitionMount(disk_img, mount_ok=is_root_part) as img_mount:
            if img_mount and img_mount.mount_dir:
                try:
                    mounted_sysroot_boot_dir = None
                    if opts.ostree:
                        sys_root = find_ostree_root(img_mount.mount_dir)
                        mounted_sysroot_boot_dir = mount_boot_part_over_root(
                            img_mount)
                    if opts.live_rootfs_keep_size:
                        size = img_mount.mount_size / 1024**3
                    else:
                        size = opts.live_rootfs_size or None
                    log.info("Creating live rootfs image")
                    mkrootfsimg(img_mount.mount_dir,
                                rootfs_img,
                                "LiveOS",
                                size=size,
                                sysroot=sys_root)
                finally:
                    if mounted_sysroot_boot_dir:
                        umount(mounted_sysroot_boot_dir)
    log.debug("sys_root = %s", sys_root)

    # Make sure free blocks are actually zeroed so it will compress
    rc = execWithRedirect("/usr/sbin/fsck.ext4",
                          ["-y", "-f", "-E", "discard", rootfs_img])
    if rc != 0:
        log.error("Problem zeroing free blocks of %s", disk_img)
        return None

    log.info("Packing live rootfs image")
    add_pxe_args = []
    live_image_name = "live-rootfs.squashfs.img"
    compression, compressargs = squashfs_args(opts)
    mksquashfs(squashfs_root_dir, joinpaths(work_dir, live_image_name),
               compression, compressargs)

    log.info("Rebuilding initramfs for live")
    with Mount(rootfs_img, opts="loop") as mnt_dir:
        try:
            mount(joinpaths(mnt_dir, "boot"),
                  opts="bind",
                  mnt=joinpaths(mnt_dir, sys_root, "boot"))
            rebuild_initrds_for_live(opts, joinpaths(mnt_dir, sys_root),
                                     work_dir)
        finally:
            umount(joinpaths(mnt_dir, sys_root, "boot"), delete=False)

    remove(squashfs_root_dir)

    if opts.ostree:
        add_pxe_args.append("ostree=/%s" % sys_root)
    template = joinpaths(opts.lorax_templates, "pxe-live/pxe-config.tmpl")
    create_pxe_config(template, work_dir, live_image_name, add_pxe_args)

    return work_dir
Exemple #6
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def make_livecd(opts, mount_dir, work_dir):
    """
    Take the content from the disk image and make a livecd out of it

    :param opts: options passed to livemedia-creator
    :type opts: argparse options
    :param str mount_dir: Directory tree to compress
    :param str work_dir: Output compressed image to work_dir+images/install.img

    This uses wwood's squashfs live initramfs method:
     * put the real / into LiveOS/rootfs.img
     * make a squashfs of the LiveOS/rootfs.img tree
     * This is loaded by dracut when the cmdline is passed to the kernel:
       root=live:CDLABEL=<volid> rd.live.image
    """
    kernel_arch = get_arch(mount_dir)

    arch = ArchData(kernel_arch)
    # TODO: Need to get release info from someplace...
    product = DataHolder(name=opts.project,
                         version=opts.releasever,
                         release="",
                         variant="",
                         bugurl="",
                         isfinal=False)

    # Link /images to work_dir/images to make the templates happy
    if os.path.islink(joinpaths(mount_dir, "images")):
        os.unlink(joinpaths(mount_dir, "images"))
    rc = execWithRedirect(
        "/bin/ln",
        ["-s",
         joinpaths(work_dir, "images"),
         joinpaths(mount_dir, "images")])
    if rc:
        raise RuntimeError(
            "Failed to symlink images from mount_dir to work_dir")

    # The templates expect the config files to be in /tmp/config_files
    # I think these should be release specific, not from lorax, but for now
    configdir = joinpaths(opts.lorax_templates, "live/config_files/")
    configdir_path = "tmp/config_files"
    fullpath = joinpaths(mount_dir, configdir_path)
    if os.path.exists(fullpath):
        remove(fullpath)
    copytree(configdir, fullpath)

    isolabel = opts.volid or "{0.name}-{0.version}-{1.basearch}".format(
        product, arch)
    if len(isolabel) > 32:
        isolabel = isolabel[:32]
        log.warning("Truncating isolabel to 32 chars: %s", isolabel)

    tb = TreeBuilder(product=product,
                     arch=arch,
                     domacboot=opts.domacboot,
                     inroot=mount_dir,
                     outroot=work_dir,
                     runtime=RUNTIME,
                     isolabel=isolabel,
                     templatedir=joinpaths(opts.lorax_templates, "live/"),
                     extra_boot_args=opts.extra_boot_args)
    log.info("Rebuilding initrds")
    log.info("dracut args = %s", dracut_args(opts))
    tb.rebuild_initrds(add_args=dracut_args(opts))
    log.info("Building boot.iso")
    tb.build()

    return work_dir
Exemple #7
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    def run(self,
            dbo,
            product,
            version,
            release,
            variant="",
            bugurl="",
            isfinal=False,
            workdir=None,
            outputdir=None,
            buildarch=None,
            volid=None,
            domacboot=True,
            doupgrade=True,
            remove_temp=False,
            installpkgs=None,
            excludepkgs=None,
            size=2,
            add_templates=None,
            add_template_vars=None,
            add_arch_templates=None,
            add_arch_template_vars=None,
            verify=True):

        assert self._configured

        installpkgs = installpkgs or []
        excludepkgs = excludepkgs or []

        # get lorax version
        try:
            import pylorax.version
        except ImportError:
            vernum = "devel"
        else:
            vernum = pylorax.version.num

        if domacboot:
            try:
                runcmd(["rpm", "-q", "hfsplus-tools"])
            except CalledProcessError:
                logger.critical(
                    "you need to install hfsplus-tools to create mac images")
                sys.exit(1)

        # set up work directory
        self.workdir = workdir or tempfile.mkdtemp(prefix="pylorax.work.")
        if not os.path.isdir(self.workdir):
            os.makedirs(self.workdir)

        # set up log directory
        logdir = self.conf.get("lorax", "logdir")
        if not os.path.isdir(logdir):
            os.makedirs(logdir)

        self.init_stream_logging()
        self.init_file_logging(logdir)

        logger.debug("version is %s", vernum)
        logger.debug("using work directory %s", self.workdir)
        logger.debug("using log directory %s", logdir)

        # set up output directory
        self.outputdir = outputdir or tempfile.mkdtemp(prefix="pylorax.out.")
        if not os.path.isdir(self.outputdir):
            os.makedirs(self.outputdir)
        logger.debug("using output directory %s", self.outputdir)

        # do we have root privileges?
        logger.info("checking for root privileges")
        if not os.geteuid() == 0:
            logger.critical("no root privileges")
            sys.exit(1)

        # is selinux disabled?
        # With selinux in enforcing mode the rpcbind package required for
        # dracut nfs module, which is in turn required by anaconda module,
        # will not get installed, because it's preinstall scriptlet fails,
        # resulting in an incomplete initial ramdisk image.
        # The reason is that the scriptlet runs tools from the shadow-utils
        # package in chroot, particularly groupadd and useradd to add the
        # required rpc group and rpc user. This operation fails, because
        # the selinux context on files in the chroot, that the shadow-utils
        # tools need to access (/etc/group, /etc/passwd, /etc/shadow etc.),
        # is wrong and selinux therefore disallows access to these files.
        logger.info("checking the selinux mode")
        if selinux.is_selinux_enabled() and selinux.security_getenforce():
            logger.critical("selinux must be disabled or in Permissive mode")
            sys.exit(1)

        # do we have a proper dnf base object?
        logger.info("checking dnf base object")
        if not isinstance(dbo, dnf.Base):
            logger.critical("no dnf base object")
            sys.exit(1)
        self.inroot = dbo.conf.installroot
        logger.debug("using install root: %s", self.inroot)

        if not buildarch:
            buildarch = get_buildarch(dbo)

        logger.info("setting up build architecture")
        self.arch = ArchData(buildarch)
        for attr in ('buildarch', 'basearch', 'libdir'):
            logger.debug("self.arch.%s = %s", attr, getattr(self.arch, attr))

        logger.info("setting up build parameters")
        self.product = DataHolder(name=product,
                                  version=version,
                                  release=release,
                                  variant=variant,
                                  bugurl=bugurl,
                                  isfinal=isfinal)
        logger.debug("product data: %s", self.product)

        # NOTE: if you change isolabel, you need to change pungi to match, or
        # the pungi images won't boot.
        isolabel = volid or "%s-%s-%s" % (
            self.product.name, self.product.version, self.arch.basearch)

        if len(isolabel) > 32:
            logger.fatal("the volume id cannot be longer than 32 characters")
            sys.exit(1)

        # NOTE: rb.root = dbo.conf.installroot (== self.inroot)
        rb = RuntimeBuilder(product=self.product,
                            arch=self.arch,
                            dbo=dbo,
                            templatedir=self.templatedir,
                            installpkgs=installpkgs,
                            excludepkgs=excludepkgs,
                            add_templates=add_templates,
                            add_template_vars=add_template_vars)

        logger.info("installing runtime packages")
        rb.install()

        # write .buildstamp
        buildstamp = BuildStamp(self.product.name, self.product.version,
                                self.product.bugurl, self.product.isfinal,
                                self.arch.buildarch)

        buildstamp.write(joinpaths(self.inroot, ".buildstamp"))

        if self.debug:
            rb.writepkglists(joinpaths(logdir, "pkglists"))
            rb.writepkgsizes(joinpaths(logdir, "original-pkgsizes.txt"))

        logger.info("doing post-install configuration")
        rb.postinstall()

        # write .discinfo
        discinfo = DiscInfo(self.product.release, self.arch.basearch)
        discinfo.write(joinpaths(self.outputdir, ".discinfo"))

        logger.info("backing up installroot")
        installroot = joinpaths(self.workdir, "installroot")
        linktree(self.inroot, installroot)

        logger.info("generating kernel module metadata")
        rb.generate_module_data()

        logger.info("cleaning unneeded files")
        rb.cleanup()

        if verify:
            logger.info("verifying the installroot")
            if not rb.verify():
                sys.exit(1)
        else:
            logger.info("Skipping verify")

        if self.debug:
            rb.writepkgsizes(joinpaths(logdir, "final-pkgsizes.txt"))

        logger.info("creating the runtime image")
        runtime = "images/install.img"
        compression = self.conf.get("compression", "type")
        compressargs = self.conf.get("compression", "args").split()  # pylint: disable=no-member
        if self.conf.getboolean("compression", "bcj"):
            if self.arch.bcj:
                compressargs += ["-Xbcj", self.arch.bcj]
            else:
                logger.info("no BCJ filter for arch %s", self.arch.basearch)
        rb.create_runtime(joinpaths(installroot, runtime),
                          compression=compression,
                          compressargs=compressargs,
                          size=size)
        rb.finished()

        logger.info("preparing to build output tree and boot images")
        treebuilder = TreeBuilder(product=self.product,
                                  arch=self.arch,
                                  inroot=installroot,
                                  outroot=self.outputdir,
                                  runtime=runtime,
                                  isolabel=isolabel,
                                  domacboot=domacboot,
                                  doupgrade=doupgrade,
                                  templatedir=self.templatedir,
                                  add_templates=add_arch_templates,
                                  add_template_vars=add_arch_template_vars,
                                  workdir=self.workdir)

        logger.info("rebuilding initramfs images")
        dracut_args = [
            "--xz", "--install", "/.buildstamp", "--no-early-microcode"
        ]
        anaconda_args = dracut_args + [
            "--add", "anaconda pollcdrom qemu qemu-net"
        ]

        # ppc64 cannot boot an initrd > 32MiB so remove some drivers
        if self.arch.basearch in ("ppc64", "ppc64le"):
            dracut_args.extend(["--omit-drivers", REMOVE_PPC64_DRIVERS])

            # Only omit dracut modules from the initrd so that they're kept for
            # upgrade.img
            anaconda_args.extend(["--omit", REMOVE_PPC64_MODULES])

        treebuilder.rebuild_initrds(add_args=anaconda_args)

        logger.info("populating output tree and building boot images")
        treebuilder.build()

        # write .treeinfo file and we're done
        treeinfo = TreeInfo(self.product.name, self.product.version,
                            self.product.variant, self.arch.basearch)
        for section, data in treebuilder.treeinfo_data.items():
            treeinfo.add_section(section, data)
        treeinfo.write(joinpaths(self.outputdir, ".treeinfo"))

        # cleanup
        if remove_temp:
            remove(self.workdir)
Exemple #8
0
    def run(self,
            dbo,
            product,
            version,
            release,
            variant="",
            bugurl="",
            isfinal=False,
            workdir=None,
            outputdir=None,
            buildarch=None,
            volid=None,
            domacboot=True,
            doupgrade=True,
            remove_temp=False,
            installpkgs=None,
            excludepkgs=None,
            size=2,
            add_templates=None,
            add_template_vars=None,
            add_arch_templates=None,
            add_arch_template_vars=None,
            verify=True,
            user_dracut_args=None,
            squashfs_only=False,
            skip_branding=False):

        assert self._configured

        installpkgs = installpkgs or []
        excludepkgs = excludepkgs or []

        if domacboot:
            try:
                runcmd(["rpm", "-q", "hfsplus-tools"])
            except CalledProcessError:
                logger.critical(
                    "you need to install hfsplus-tools to create mac images")
                sys.exit(1)

        # set up work directory
        self.workdir = workdir or tempfile.mkdtemp(prefix="pylorax.work.")
        if not os.path.isdir(self.workdir):
            os.makedirs(self.workdir)

        # set up log directory
        logdir = self.conf.get("lorax", "logdir")
        if not os.path.isdir(logdir):
            os.makedirs(logdir)

        self.init_stream_logging()
        self.init_file_logging(logdir)

        logger.debug("version is %s", vernum)
        log_selinux_state()

        logger.debug("using work directory %s", self.workdir)
        logger.debug("using log directory %s", logdir)

        # set up output directory
        self.outputdir = outputdir or tempfile.mkdtemp(prefix="pylorax.out.")
        if not os.path.isdir(self.outputdir):
            os.makedirs(self.outputdir)
        logger.debug("using output directory %s", self.outputdir)

        # do we have root privileges?
        logger.info("checking for root privileges")
        if not os.geteuid() == 0:
            logger.critical("no root privileges")
            sys.exit(1)

        # do we have a proper dnf base object?
        logger.info("checking dnf base object")
        if not isinstance(dbo, dnf.Base):
            logger.critical("no dnf base object")
            sys.exit(1)
        self.inroot = dbo.conf.installroot
        logger.debug("using install root: %s", self.inroot)

        if not buildarch:
            buildarch = get_buildarch(dbo)

        logger.info("setting up build architecture")
        self.arch = ArchData(buildarch)
        for attr in ('buildarch', 'basearch', 'libdir'):
            logger.debug("self.arch.%s = %s", attr, getattr(self.arch, attr))

        logger.info("setting up build parameters")
        self.product = DataHolder(name=product,
                                  version=version,
                                  release=release,
                                  variant=variant,
                                  bugurl=bugurl,
                                  isfinal=isfinal)
        logger.debug("product data: %s", self.product)

        # NOTE: if you change isolabel, you need to change pungi to match, or
        # the pungi images won't boot.
        isolabel = volid or "%s-%s-%s" % (
            self.product.name, self.product.version, self.arch.basearch)

        if len(isolabel) > 32:
            logger.fatal("the volume id cannot be longer than 32 characters")
            sys.exit(1)

        # NOTE: rb.root = dbo.conf.installroot (== self.inroot)
        rb = RuntimeBuilder(product=self.product,
                            arch=self.arch,
                            dbo=dbo,
                            templatedir=self.templatedir,
                            installpkgs=installpkgs,
                            excludepkgs=excludepkgs,
                            add_templates=add_templates,
                            add_template_vars=add_template_vars,
                            skip_branding=skip_branding)

        logger.info("installing runtime packages")
        rb.install()

        # write .buildstamp
        buildstamp = BuildStamp(self.product.name, self.product.version,
                                self.product.bugurl, self.product.isfinal,
                                self.arch.buildarch, self.product.variant)

        buildstamp.write(joinpaths(self.inroot, ".buildstamp"))

        if self.debug:
            rb.writepkglists(joinpaths(logdir, "pkglists"))
            rb.writepkgsizes(joinpaths(logdir, "original-pkgsizes.txt"))

        logger.info("doing post-install configuration")
        rb.postinstall()

        # write .discinfo
        discinfo = DiscInfo(self.product.release, self.arch.basearch)
        discinfo.write(joinpaths(self.outputdir, ".discinfo"))

        logger.info("backing up installroot")
        installroot = joinpaths(self.workdir, "installroot")
        linktree(self.inroot, installroot)

        logger.info("generating kernel module metadata")
        rb.generate_module_data()

        logger.info("cleaning unneeded files")
        rb.cleanup()

        if verify:
            logger.info("verifying the installroot")
            if not rb.verify():
                sys.exit(1)
        else:
            logger.info("Skipping verify")

        if self.debug:
            rb.writepkgsizes(joinpaths(logdir, "final-pkgsizes.txt"))

        logger.info("creating the runtime image")
        runtime = "images/install.img"
        compression = self.conf.get("compression", "type")
        compressargs = self.conf.get("compression", "args").split()  # pylint: disable=no-member
        if self.conf.getboolean("compression", "bcj"):
            if self.arch.bcj:
                compressargs += ["-Xbcj", self.arch.bcj]
            else:
                logger.info("no BCJ filter for arch %s", self.arch.basearch)
        if squashfs_only:
            # Create an ext4 rootfs.img and compress it with squashfs
            rc = rb.create_squashfs_runtime(joinpaths(installroot, runtime),
                                            compression=compression,
                                            compressargs=compressargs,
                                            size=size)
        else:
            # Create an ext4 rootfs.img and compress it with squashfs
            rc = rb.create_ext4_runtime(joinpaths(installroot, runtime),
                                        compression=compression,
                                        compressargs=compressargs,
                                        size=size)
        if rc != 0:
            logger.error("rootfs.img creation failed. See program.log")
            sys.exit(1)

        rb.finished()

        logger.info("preparing to build output tree and boot images")
        treebuilder = TreeBuilder(product=self.product,
                                  arch=self.arch,
                                  inroot=installroot,
                                  outroot=self.outputdir,
                                  runtime=runtime,
                                  isolabel=isolabel,
                                  domacboot=domacboot,
                                  doupgrade=doupgrade,
                                  templatedir=self.templatedir,
                                  add_templates=add_arch_templates,
                                  add_template_vars=add_arch_template_vars,
                                  workdir=self.workdir)

        logger.info("rebuilding initramfs images")
        if not user_dracut_args:
            dracut_args = DRACUT_DEFAULT
        else:
            dracut_args = []
            for arg in user_dracut_args:
                dracut_args += arg.split(" ", 1)

        anaconda_args = dracut_args + [
            "--add", "anaconda pollcdrom qemu qemu-net"
        ]

        logger.info("dracut args = %s", dracut_args)
        logger.info("anaconda args = %s", anaconda_args)
        treebuilder.rebuild_initrds(add_args=anaconda_args)

        logger.info("populating output tree and building boot images")
        treebuilder.build()

        # write .treeinfo file and we're done
        treeinfo = TreeInfo(self.product.name, self.product.version,
                            self.product.variant, self.arch.basearch)
        for section, data in treebuilder.treeinfo_data.items():
            treeinfo.add_section(section, data)
        treeinfo.write(joinpaths(self.outputdir, ".treeinfo"))

        # cleanup
        if remove_temp:
            remove(self.workdir)
Exemple #9
0
    def run(self, dbo, product, version, release, variant="", bugurl="",
            isfinal=False, workdir=None, outputdir=None, buildarch=None, volid=None,
            domacboot=True, doupgrade=True, remove_temp=False,
            installpkgs=None, excludepkgs=None,
            size=2,
            add_templates=None,
            add_template_vars=None,
            add_arch_templates=None,
            add_arch_template_vars=None,
            verify=True):

        assert self._configured

        installpkgs = installpkgs or []
        excludepkgs = excludepkgs or []

        if domacboot:
            try:
                runcmd(["rpm", "-q", "hfsplus-tools"])
            except CalledProcessError:
                logger.critical("you need to install hfsplus-tools to create mac images")
                sys.exit(1)

        # set up work directory
        self.workdir = workdir or tempfile.mkdtemp(prefix="pylorax.work.")
        if not os.path.isdir(self.workdir):
            os.makedirs(self.workdir)

        # set up log directory
        logdir = self.conf.get("lorax", "logdir")
        if not os.path.isdir(logdir):
            os.makedirs(logdir)

        self.init_stream_logging()
        self.init_file_logging(logdir)

        logger.debug("version is %s", vernum)
        logger.debug("using work directory %s", self.workdir)
        logger.debug("using log directory %s", logdir)

        # set up output directory
        self.outputdir = outputdir or tempfile.mkdtemp(prefix="pylorax.out.")
        if not os.path.isdir(self.outputdir):
            os.makedirs(self.outputdir)
        logger.debug("using output directory %s", self.outputdir)

        # do we have root privileges?
        logger.info("checking for root privileges")
        if not os.geteuid() == 0:
            logger.critical("no root privileges")
            sys.exit(1)

        # is selinux disabled?
        # With selinux in enforcing mode the rpcbind package required for
        # dracut nfs module, which is in turn required by anaconda module,
        # will not get installed, because it's preinstall scriptlet fails,
        # resulting in an incomplete initial ramdisk image.
        # The reason is that the scriptlet runs tools from the shadow-utils
        # package in chroot, particularly groupadd and useradd to add the
        # required rpc group and rpc user. This operation fails, because
        # the selinux context on files in the chroot, that the shadow-utils
        # tools need to access (/etc/group, /etc/passwd, /etc/shadow etc.),
        # is wrong and selinux therefore disallows access to these files.
        logger.info("checking the selinux mode")
        if selinux.is_selinux_enabled() and selinux.security_getenforce():
            logger.critical("selinux must be disabled or in Permissive mode")
            sys.exit(1)

        # do we have a proper dnf base object?
        logger.info("checking dnf base object")
        if not isinstance(dbo, dnf.Base):
            logger.critical("no dnf base object")
            sys.exit(1)
        self.inroot = dbo.conf.installroot
        logger.debug("using install root: %s", self.inroot)

        if not buildarch:
            buildarch = get_buildarch(dbo)

        logger.info("setting up build architecture")
        self.arch = ArchData(buildarch)
        for attr in ('buildarch', 'basearch', 'libdir'):
            logger.debug("self.arch.%s = %s", attr, getattr(self.arch,attr))

        logger.info("setting up build parameters")
        self.product = DataHolder(name=product, version=version, release=release,
                                 variant=variant, bugurl=bugurl, isfinal=isfinal)
        logger.debug("product data: %s", self.product)

        # NOTE: if you change isolabel, you need to change pungi to match, or
        # the pungi images won't boot.
        isolabel = volid or "%s-%s-%s" % (self.product.name, self.product.version, self.arch.basearch)

        if len(isolabel) > 32:
            logger.fatal("the volume id cannot be longer than 32 characters")
            sys.exit(1)

        # NOTE: rb.root = dbo.conf.installroot (== self.inroot)
        rb = RuntimeBuilder(product=self.product, arch=self.arch,
                            dbo=dbo, templatedir=self.templatedir,
                            installpkgs=installpkgs,
                            excludepkgs=excludepkgs,
                            add_templates=add_templates,
                            add_template_vars=add_template_vars)

        logger.info("installing runtime packages")
        rb.install()

        # write .buildstamp
        buildstamp = BuildStamp(self.product.name, self.product.version,
                                self.product.bugurl, self.product.isfinal, self.arch.buildarch)

        buildstamp.write(joinpaths(self.inroot, ".buildstamp"))

        if self.debug:
            rb.writepkglists(joinpaths(logdir, "pkglists"))
            rb.writepkgsizes(joinpaths(logdir, "original-pkgsizes.txt"))

        logger.info("doing post-install configuration")
        rb.postinstall()

        # write .discinfo
        discinfo = DiscInfo(self.product.release, self.arch.basearch)
        discinfo.write(joinpaths(self.outputdir, ".discinfo"))

        logger.info("backing up installroot")
        installroot = joinpaths(self.workdir, "installroot")
        linktree(self.inroot, installroot)

        logger.info("generating kernel module metadata")
        rb.generate_module_data()

        logger.info("cleaning unneeded files")
        rb.cleanup()

        if verify:
            logger.info("verifying the installroot")
            if not rb.verify():
                sys.exit(1)
        else:
            logger.info("Skipping verify")

        if self.debug:
            rb.writepkgsizes(joinpaths(logdir, "final-pkgsizes.txt"))

        logger.info("creating the runtime image")
        runtime = "images/install.img"
        compression = self.conf.get("compression", "type")
        compressargs = self.conf.get("compression", "args").split()     # pylint: disable=no-member
        if self.conf.getboolean("compression", "bcj"):
            if self.arch.bcj:
                compressargs += ["-Xbcj", self.arch.bcj]
            else:
                logger.info("no BCJ filter for arch %s", self.arch.basearch)
        rb.create_runtime(joinpaths(installroot,runtime),
                          compression=compression, compressargs=compressargs,
                          size=size)
        rb.finished()

        logger.info("preparing to build output tree and boot images")
        treebuilder = TreeBuilder(product=self.product, arch=self.arch,
                                  inroot=installroot, outroot=self.outputdir,
                                  runtime=runtime, isolabel=isolabel,
                                  domacboot=domacboot, doupgrade=doupgrade,
                                  templatedir=self.templatedir,
                                  add_templates=add_arch_templates,
                                  add_template_vars=add_arch_template_vars,
                                  workdir=self.workdir)

        logger.info("rebuilding initramfs images")
        dracut_args = ["--xz", "--install", "/.buildstamp", "--no-early-microcode", "--add", "fips"]
        anaconda_args = dracut_args + ["--add", "anaconda pollcdrom qemu qemu-net"]

        # ppc64 cannot boot an initrd > 32MiB so remove some drivers
        if self.arch.basearch in ("ppc64", "ppc64le"):
            dracut_args.extend(["--omit-drivers", REMOVE_PPC64_DRIVERS])

            # Only omit dracut modules from the initrd so that they're kept for
            # upgrade.img
            anaconda_args.extend(["--omit", REMOVE_PPC64_MODULES])

        treebuilder.rebuild_initrds(add_args=anaconda_args)

        logger.info("populating output tree and building boot images")
        treebuilder.build()

        # write .treeinfo file and we're done
        treeinfo = TreeInfo(self.product.name, self.product.version,
                            self.product.variant, self.arch.basearch)
        for section, data in treebuilder.treeinfo_data.items():
            treeinfo.add_section(section, data)
        treeinfo.write(joinpaths(self.outputdir, ".treeinfo"))

        # cleanup
        if remove_temp:
            remove(self.workdir)
Exemple #10
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 def remove_test(self):
     remove_file="/var/tmp/lorax-test-remove-file"
     open(remove_file, "w").write("test was here")
     remove(remove_file)
     self.assertFalse(os.path.exists(remove_file))
Exemple #11
0
 def test_remove(self):
     remove_file="/var/tmp/lorax-test-remove-file"
     with open(remove_file, "w") as f:
         f.write("test was here")
     remove(remove_file)
     self.assertFalse(os.path.exists(remove_file))