def get_extra_pkgs(dbo, share_dir, compose_type):
"""Return extra packages needed for the output type
:param dbo: dnf base object
:type dbo: dnf.Base
:param share_dir: Path to the top level share directory
:type share_dir: str
:param compose_type: The type of output to create from the recipe
:type compose_type: str
:returns: List of package names (name only, not NEVRA)
:rtype: list
Currently this is only needed by live-iso, it reads ./live/live-install.tmpl and
processes only the installpkg lines. It lists the packages needed to complete creation of the
iso using the templates such as x86.tmpl
Keep in mind that the live-install.tmpl is shared between livemedia-creator and lorax-composer,
even though the results are applied differently.
"""
if compose_type != "live-iso":
return []
# get the arch information to pass to the runner
arch = ArchData(get_buildarch(dbo))
defaults = DataHolder(basearch=arch.basearch)
templatedir = joinpaths(find_templates(share_dir), "live")
runner = LiveTemplateRunner(dbo,
templatedir=templatedir,
defaults=defaults)
runner.run("live-install.tmpl")
log.debug("extra pkgs = %s", runner.pkgs)
return runner.pkgnames
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"))
execWithRedirect("/bin/ln", ["-s", joinpaths(work_dir, "images"),
joinpaths(mount_dir, "images")])
# 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")
if not opts.dracut_args:
dracut_args = DRACUT_DEFAULT
else:
dracut_args = []
for arg in opts.dracut_args:
dracut_args += arg.split(" ", 1)
log.info("dracut args = %s", dracut_args)
tb.rebuild_initrds(add_args=dracut_args)
log.info("Building boot.iso")
tb.build()
return work_dir
def make_runtime(opts, mount_dir, work_dir, size=None):
"""
Make the squashfs image from a directory
: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
:param int size: Size of disk image, in GiB
"""
kernel_arch = get_arch(mount_dir)
# Fake dnf object
fake_dbo = FakeDNF(conf=DataHolder(installroot=mount_dir))
# Fake arch with only basearch set
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)
# This is a mounted image partition, cannot hardlink to it, so just use it
# symlink mount_dir/images to work_dir/images so we don't run out of space
os.makedirs(joinpaths(work_dir, "images"))
rb = RuntimeBuilder(product, arch, fake_dbo)
compression, compressargs = squashfs_args(opts)
log.info("Creating runtime")
rb.create_ext4_runtime(joinpaths(work_dir, RUNTIME),
size=size,
compression=compression,
compressargs=compressargs)
def make_runtime(opts, mount_dir, work_dir, size=None):
"""
Make the squashfs image from a directory
: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
:param int size: Size of disk image, in GiB
:returns: rc of squashfs creation
:rtype: int
"""
kernel_arch = get_arch(mount_dir)
# Fake dnf object
fake_dbo = FakeDNF(conf=DataHolder(installroot=mount_dir))
# Fake arch with only basearch set
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)
rb = RuntimeBuilder(product, arch, fake_dbo)
compression, compressargs = squashfs_args(opts)
if opts.squashfs_only:
log.info("Creating a squashfs only runtime")
return rb.create_squashfs_runtime(joinpaths(work_dir, RUNTIME), size=size,
compression=compression, compressargs=compressargs)
else:
log.info("Creating a squashfs+ext4 runtime")
return rb.create_ext4_runtime(joinpaths(work_dir, RUNTIME), size=size,
compression=compression, compressargs=compressargs)
def install_branding(self, repo_dir, variant=None, skip_branding=False):
"""Run the get_branding function in a test repo"""
with tempfile.TemporaryDirectory(prefix="lorax.test.") as root_dir:
dbo = get_dnf_base_object(root_dir, ["file://"+repo_dir], enablerepos=[], disablerepos=[])
self.assertTrue(dbo is not None)
product = DataHolder(name="Fedora", version="33", release="33",
variant=variant, bugurl="http://none", isfinal=True)
arch = ArchData(os.uname().machine)
rb = RuntimeBuilder(product, arch, dbo, skip_branding=skip_branding)
return rb._branding
def squashfs_args(opts):
""" Returns the compression type and args to use when making squashfs
:param opts: ArgumentParser object with compression and compressopts
:returns: tuple of compression type and args
:rtype: tuple
"""
compression = opts.compression or "xz"
arch = ArchData(opts.arch or os.uname().machine)
if compression == "xz" and arch.bcj:
compressargs = ["-Xbcj", arch.bcj]
else:
compressargs = []
return (compression, compressargs)
def install_branding(self, repo_dir, variant=None, skip_branding=False):
"""Run the _install_branding and return the names of the installed packages"""
with tempfile.TemporaryDirectory(prefix="lorax.test.") as root_dir:
dbo = get_dnf_base_object(root_dir, ["file://"+repo_dir], enablerepos=[], disablerepos=[])
self.assertTrue(dbo is not None)
product = DataHolder(name="Fedora", version="33", release="33",
variant=variant, bugurl="http://none", isfinal=True)
arch = ArchData(os.uname().machine)
rb = RuntimeBuilder(product, arch, dbo, skip_branding=skip_branding)
rb._install_branding()
dbo.resolve()
self.assertTrue(dbo.transaction is not None)
return sorted(p.name for p in dbo.transaction.install_set)
def squashfs_args(opts):
""" Returns the compression type and args to use when making squashfs
:param opts: ArgumentParser object with compression and compressopts
:returns: tuple of compression type and args
:rtype: tuple
"""
compression = opts.compression or "xz"
arch = ArchData(opts.arch or os.uname().machine)
if compression == "xz" and arch.bcj and not opts.compress_args:
# default to bcj when using xz
compressargs = ["-Xbcj", arch.bcj]
elif opts.compress_args:
compressargs = []
for arg in opts.compress_args:
compressargs += arg.split(" ", 1)
else:
compressargs = []
return (compression, compressargs)