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|
# Copyright (C) 2010, 2011 Linaro
#
# Author: James Westby <james.westby@linaro.org>
#
# This file is part of Linaro Image Tools.
#
# Linaro Image Tools 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; either version 2
# of the License, or (at your option) any later version.
#
# Linaro Image Tools 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 Linaro Image Tools; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
import time
import os
import urlparse
from linaro_image_tools.hwpack.better_tarfile import writeable_tarfile
from linaro_image_tools.hwpack.packages import (
FetchedPackage,
get_packages_file,
PackageMaker,
)
from linaro_image_tools.hwpack.hardwarepack_format import (
HardwarePackFormatV1,
)
from linaro_image_tools.hwpack.hwpack_convert import (
dump,
)
from hwpack_fields import (
BOARDS_FIELD,
BOOTLOADERS_FIELD,
BOOT_MIN_SIZE_FIELD,
BOOT_SCRIPT_FIELD,
DTB_ADDR_FIELD,
DTB_FILE_FIELD,
DTB_FILES_FIELD,
EXTRA_SERIAL_OPTIONS_FIELD,
FORMAT_FIELD,
INITRD_ADDR_FIELD,
INITRD_FILE_FIELD,
KERNEL_ADDR_FIELD,
KERNEL_FILE_FIELD,
LOAD_ADDR_FIELD,
LOADER_MIN_SIZE_FIELD,
LOADER_START_FIELD,
MAINTAINER_FIELD,
METADATA_ARCH_FIELD,
METADATA_VERSION_FIELD,
MMC_ID_FIELD,
NAME_FIELD,
ORIGIN_FIELD,
PARTITION_LAYOUT_FIELD,
ROOT_MIN_SIZE_FIELD,
SAMSUNG_BL1_LEN_FIELD,
SAMSUNG_BL1_START_FIELD,
SAMSUNG_BL2_LEN_FIELD,
SAMSUNG_BL2_START_FIELD,
SAMSUNG_ENV_LEN_FIELD,
SAMSUNG_ENV_START_FIELD,
SERIAL_TTY_FIELD,
SNOWBALL_STARTUP_FILES_CONFIG_FIELD,
SUPPORT_FIELD,
WIRED_INTERFACES_FIELD,
WIRELESS_INTERFACES_FIELD,
)
class Metadata(object):
"""Metadata for a hardware pack.
This metadata is what is required and optional for the metadata file
that ends up in the hardware pack.
In addition str() can be used to create the contents of the metdata
file for the hardware pack that this metadata file refers to.
:ivar name: the name of the hardware pack.
:type name: str
:ivar version: the version of the hardware pack. It must not contain white
spaces.
:type version: str
:ivar origin: the origin of the hardware pack, or None if the origin
is not known.
:type origin: str or None
:ivar maintainer: the maintainer of the hardware pack, or None if
not known.
:type maintainer: str or None
:ivar support: the support status of this hardware pack, or None if
not know.
:type support: str or None
"""
def __init__(self, name, version, architecture, origin=None,
maintainer=None, support=None, format=HardwarePackFormatV1()):
"""Create the Metadata for a hardware pack.
See the instance variables for a description of the arguments.
"""
self.format = format
self.name = name
if ' ' in version:
raise AssertionError(
'Hardware pack version must not contain white '
'spaces: "%s"' % version)
self.version = version
self.origin = origin
self.maintainer = maintainer
self.support = support
self.architecture = architecture
@classmethod
def add_v2_config(self, serial_tty=None, kernel_addr=None,
initrd_addr=None, load_addr=None, dtb_file=None,
wired_interfaces=[], wireless_interfaces=[],
partition_layout=None, mmc_id=None, boot_min_size=None,
root_min_size=None, loader_min_size=None, vmlinuz=None,
initrd=None, dtb_addr=None, extra_boot_options=None,
env_dd=None, boot_script=None,
bootloader_file_in_boot_part=None,
uboot_dd=None, spl_in_boot_part=None, spl_dd=None,
extra_serial_opts=None, loader_start=None,
snowball_startup_files_config=None,
samsung_bl1_start=None, samsung_bl1_len=None,
samsung_env_start=None, samsung_env_len=None,
samsung_bl2_start=None, samsung_bl2_len=None):
"""Add fields that are specific to the new format.
These fields are not present in earlier config files.
"""
self.u_boot = None
self.spl = None
self.serial_tty = serial_tty
self.kernel_addr = kernel_addr
self.initrd_addr = initrd_addr
self.load_addr = load_addr
self.wired_interfaces = wired_interfaces
self.wireless_interfaces = wireless_interfaces
self.partition_layout = partition_layout
self.mmc_id = mmc_id
self.boot_min_size = boot_min_size
self.root_min_size = root_min_size
self.loader_min_size = loader_min_size
self.loader_start = loader_start
self.vmlinuz = vmlinuz
self.initrd = initrd
self.dtb_file = dtb_file
self.dtb_addr = dtb_addr
self.extra_boot_options = extra_boot_options
self.boot_script = boot_script
self.bootloader_file_in_boot_part = bootloader_file_in_boot_part
self.uboot_dd = uboot_dd
self.spl_in_boot_part = spl_in_boot_part
self.spl_dd = spl_dd
self.env_dd = env_dd
self.extra_serial_opts = extra_serial_opts
self.snowball_startup_files_config = snowball_startup_files_config
self.samsung_bl1_start = samsung_bl1_start
self.samsung_bl1_len = samsung_bl1_len
self.samsung_env_start = samsung_env_start
self.samsung_env_len = samsung_env_len
self.samsung_bl2_start = samsung_bl2_start
self.samsung_bl2_len = samsung_bl2_len
@classmethod
def add_v3_config(self, boards=None, bootloaders=None, dtb_files=None):
"""Add fields that are specific to the v3 config format.
These fields are not present in the earlier config files.
:param boards: The boards section of the hwpack.
:param bootloaders: The bootloaders section of the hwpack.
:param dtb_files: The dtb_files section of the hwpack."""
self.boards = boards
self.bootloaders = bootloaders
self.dtb_files = dtb_files
@classmethod
def from_config(cls, config, version, architecture):
"""Create a Metadata from a Config object.
As a Config will contain most of the information needed for a
Metadata, we can provide this convenient way to construct one.
Information that is not in the config has to be provided by
the caller.
:param config: the config to take values from.
:type config: Config
:param version: the version to record in the metadata.
:type version: str
:param architecture: the architecture that the hardware pack is
targetting.
:type architecture: str
"""
metadata = cls(
config.name, version, architecture, origin=config.origin,
maintainer=config.maintainer, support=config.support,
format=config.format)
if config.format.has_v2_fields:
# Helper variable to adhere to the line length limit.
snowball_startup_config = config.snowball_startup_files_config
metadata.add_v2_config(
boot_min_size=config.boot_min_size,
boot_script=config.boot_script,
dtb_addr=config.dtb_addr,
dtb_file=config.dtb_file,
env_dd=config.env_dd,
extra_boot_options=config.extra_boot_options,
extra_serial_opts=config.extra_serial_opts,
initrd_addr=config.initrd_addr,
initrd=config.initrd,
kernel_addr=config.kernel_addr,
load_addr=config.load_addr,
loader_min_size=config.loader_min_size,
loader_start=config.loader_start,
mmc_id=config.mmc_id,
partition_layout=config.partition_layout,
root_min_size=config.root_min_size,
samsung_bl1_len=config.samsung_bl1_len,
samsung_bl1_start=config.samsung_bl1_start,
samsung_bl2_len=config.samsung_bl2_len,
samsung_bl2_start=config.samsung_bl2_start,
samsung_env_len=config.samsung_env_len,
samsung_env_start=config.samsung_env_start,
serial_tty=config.serial_tty,
snowball_startup_files_config=snowball_startup_config,
spl_dd=config.spl_dd,
spl_in_boot_part=config.spl_in_boot_part,
uboot_dd=config.bootloader_dd,
bootloader_file_in_boot_part=config.
bootloader_file_in_boot_part,
vmlinuz=config.vmlinuz,
wired_interfaces=config.wired_interfaces,
wireless_interfaces=config.wireless_interfaces,
)
if config.format.format_as_string == '3.0':
metadata.add_v3_config(boards=config.boards,
bootloaders=config.bootloaders,
dtb_files=config.dtb_files)
return metadata
def __str__(self):
if self.format.format_as_string == '3.0':
return self.create_metadata_new()
else:
return self.create_metadata_old()
def create_metadata_new(self):
"""Get the contents of the metadata file.
The metadata file is almost an identical copy of the hwpack
configuration file. Only a couple of fields are different, and some
are missing.
:return A string.
"""
metadata = ""
metadata += dump({FORMAT_FIELD: self.format.format_as_string})
metadata += dump({NAME_FIELD: self.name})
metadata += dump({METADATA_VERSION_FIELD: self.version})
# This is a single 'architecture' hwpack, each arch will get its own,
# it is not retrieved from the Config.
metadata += dump({METADATA_ARCH_FIELD: self.architecture})
if self.origin is not None:
metadata += dump({ORIGIN_FIELD: self.origin})
if self.maintainer is not None:
metadata += dump({MAINTAINER_FIELD: self.maintainer})
if self.support is not None:
metadata += dump({SUPPORT_FIELD: self.support})
if self.boards is not None:
metadata += dump({BOARDS_FIELD: self.boards})
if self.bootloaders is not None:
metadata += dump({BOOTLOADERS_FIELD: self.bootloaders})
if self.serial_tty is not None:
metadata += dump({SERIAL_TTY_FIELD: self.serial_tty})
if self.kernel_addr is not None:
metadata += dump({KERNEL_ADDR_FIELD: self.kernel_addr})
if self.initrd_addr is not None:
metadata += dump({INITRD_ADDR_FIELD: self.initrd_addr})
if self.load_addr is not None:
metadata += dump({LOAD_ADDR_FIELD: self.load_addr})
if self.dtb_addr is not None:
metadata += dump({DTB_ADDR_FIELD: self.dtb_addr})
if self.wired_interfaces != []:
eth_interfaces = " ".join(self.wired_interfaces)
metadata += dump({WIRED_INTERFACES_FIELD: eth_interfaces})
if self.wireless_interfaces != []:
wifi_interfaces = " ".join(self.wireless_interfaces)
metadata += dump({WIRELESS_INTERFACES_FIELD: wifi_interfaces})
if self.partition_layout is not None:
metadata += dump({PARTITION_LAYOUT_FIELD: self.partition_layout})
if self.mmc_id is not None:
metadata += dump({MMC_ID_FIELD: self.mmc_id})
if self.boot_min_size is not None:
metadata += dump({BOOT_MIN_SIZE_FIELD: self.boot_min_size})
if self.root_min_size is not None:
metadata += dump({ROOT_MIN_SIZE_FIELD: self.root_min_size})
if self.loader_min_size is not None:
metadata += dump({LOADER_MIN_SIZE_FIELD: self.loader_min_size})
if self.loader_start is not None:
metadata += dump({LOADER_START_FIELD: self.loader_start})
if self.vmlinuz is not None:
metadata += dump({KERNEL_FILE_FIELD: self.vmlinuz})
if self.initrd is not None:
metadata += dump({INITRD_FILE_FIELD: self.initrd})
if self.dtb_file is not None:
# XXX In V3 this one should be a list, called dtb_files.
metadata += dump({DTB_FILE_FIELD: self.dtb_file})
if self.dtb_files is not None:
metadata += dump({DTB_FILES_FIELD: self.dtb_files})
if self.boot_script is not None:
metadata += dump({BOOT_SCRIPT_FIELD: self.boot_script})
if self.extra_serial_opts is not None:
# XXX Check why and where once we get a list once a string.
if isinstance(self.extra_serial_opts, list):
extra_serial_options = " ".join(self.extra_serial_opts)
else:
extra_serial_options = self.extra_serial_opts
metadata += dump({
EXTRA_SERIAL_OPTIONS_FIELD:
extra_serial_options})
if self.snowball_startup_files_config is not None:
metadata += dump({SNOWBALL_STARTUP_FILES_CONFIG_FIELD:
self.snowball_startup_files_config})
if self.samsung_bl1_start is not None:
metadata += dump({SAMSUNG_BL1_START_FIELD: self.samsung_bl1_start})
if self.samsung_bl1_len is not None:
metadata += dump({SAMSUNG_BL1_LEN_FIELD: self.samsung_bl1_len})
if self.samsung_env_start is not None:
metadata += dump({SAMSUNG_ENV_START_FIELD: self.samsung_env_start})
if self.samsung_env_len is not None:
metadata += dump({SAMSUNG_ENV_LEN_FIELD: self.samsung_env_len})
if self.samsung_bl2_start is not None:
metadata += dump({SAMSUNG_BL2_START_FIELD: self.samsung_bl2_start})
if self.samsung_bl2_len is not None:
metadata += dump({SAMSUNG_BL2_LEN_FIELD: self.samsung_bl2_len})
return metadata
def create_metadata_old(self):
"""Get the contents of the metadata file.
Creates a metadata file for v1 and v2 of the hwpack config file.
"""
metadata = "NAME=%s\n" % self.name
metadata += "VERSION=%s\n" % self.version
metadata += "ARCHITECTURE=%s\n" % self.architecture
if self.origin is not None:
metadata += "ORIGIN=%s\n" % self.origin
if self.maintainer is not None:
metadata += "MAINTAINER=%s\n" % self.maintainer
if self.support is not None:
metadata += "SUPPORT=%s\n" % self.support
if not self.format.has_v2_fields:
return metadata
if self.u_boot is not None:
metadata += "U_BOOT=%s\n" % self.u_boot
if self.spl is not None:
metadata += "SPL=%s\n" % self.spl
if self.serial_tty is not None:
metadata += "SERIAL_TTY=%s\n" % self.serial_tty
if self.kernel_addr is not None:
metadata += "KERNEL_ADDR=%s\n" % self.kernel_addr
if self.initrd_addr is not None:
metadata += "INITRD_ADDR=%s\n" % self.initrd_addr
if self.load_addr is not None:
metadata += "LOAD_ADDR=%s\n" % self.load_addr
if self.dtb_addr is not None:
metadata += "DTB_ADDR=%s\n" % self.dtb_addr
if self.wired_interfaces != []:
metadata += "WIRED_INTERFACES=%s\n" % " ".join(
self.wired_interfaces)
if self.wireless_interfaces != []:
metadata += "WIRELESS_INTERFACES=%s\n" % " ".join(
self.wireless_interfaces)
if self.partition_layout is not None:
metadata += "PARTITION_LAYOUT=%s\n" % self.partition_layout
if self.mmc_id is not None:
metadata += "MMC_ID=%s\n" % self.mmc_id
if self.boot_min_size is not None:
metadata += "BOOT_MIN_SIZE=%s\n" % self.boot_min_size
if self.root_min_size is not None:
metadata += "ROOT_MIN_SIZE=%s\n" % self.root_min_size
if self.loader_min_size is not None:
metadata += "LOADER_MIN_SIZE=%s\n" % self.loader_min_size
if self.loader_start is not None:
metadata += "LOADER_START=%s\n" % self.loader_start
if self.vmlinuz is not None:
metadata += "KERNEL_FILE=%s\n" % self.vmlinuz
if self.initrd is not None:
metadata += "INITRD_FILE=%s\n" % self.initrd
if self.dtb_file is not None:
metadata += "DTB_FILE=%s\n" % self.dtb_file
if self.extra_boot_options is not None:
metadata += "EXTRA_BOOT_OPTIONS=%s\n" % self.extra_boot_options
if self.boot_script is not None:
metadata += "BOOT_SCRIPT=%s\n" % self.boot_script
if self.bootloader_file_in_boot_part is not None:
metadata += ("U_BOOT_IN_BOOT_PART=%s\n" %
self.bootloader_file_in_boot_part)
if self.spl_in_boot_part is not None:
metadata += "SPL_IN_BOOT_PART=%s\n" % self.spl_in_boot_part
if self.uboot_dd is not None:
metadata += "U_BOOT_DD=%s\n" % self.uboot_dd
if self.spl_dd is not None:
metadata += "SPL_DD=%s\n" % self.spl_dd
if self.env_dd is not None:
metadata += "ENV_DD=%s\n" % self.env_dd
if self.extra_serial_opts is not None:
metadata += "EXTRA_SERIAL_OPTIONS=%s\n" % self.extra_serial_opts
if self.snowball_startup_files_config is not None:
metadata += "SNOWBALL_STARTUP_FILES_CONFIG=%s\n" % (
self.snowball_startup_files_config)
if self.samsung_bl1_start is not None:
metadata += "SAMSUNG_BL1_START=%s\n" % self.samsung_bl1_start
if self.samsung_bl1_len is not None:
metadata += "SAMSUNG_BL1_LEN=%s\n" % self.samsung_bl1_len
if self.samsung_env_start is not None:
metadata += "SAMSUNG_ENV_START=%s\n" % self.samsung_env_start
if self.samsung_env_len is not None:
metadata += "SAMSUNG_ENV_LEN=%s\n" % self.samsung_env_len
if self.samsung_bl2_start is not None:
metadata += "SAMSUNG_BL2_START=%s\n" % self.samsung_bl2_start
if self.samsung_bl2_len is not None:
metadata += "SAMSUNG_BL2_LEN=%s\n" % self.samsung_bl2_len
return metadata
class HardwarePack(object):
"""The representation of a hardware pack.
:ivar metadata: the metadata of this hardware pack.
:type metadata: Metadata
:ivar FORMAT: the format of hardware pack that should be created.
:type FORMAT: str
"""
FORMAT_FILENAME = "FORMAT"
METADATA_FILENAME = "metadata"
MANIFEST_FILENAME = "manifest"
PACKAGES_DIRNAME = "pkgs"
PACKAGES_FILENAME = "%s/Packages" % PACKAGES_DIRNAME
SOURCES_LIST_DIRNAME = "sources.list.d"
SOURCES_LIST_GPG_DIRNAME = "sources.list.d.gpg"
U_BOOT_DIR = "u-boot"
SPL_DIR = "spl"
BOOT_DIR = "boot"
def __init__(self, metadata):
"""Create a HardwarePack.
:param metadata: the metadata to use.
:type metadata: Metadata
"""
self.metadata = metadata
self.sources = {}
self.packages = []
self.format = metadata.format
self.files = []
def filename(self, extension=".tar.gz"):
"""The filename that this hardware pack should have.
Returns the filename that the hardware pack should have, according
to the convention used.
:return: the filename that should be used.
:rtype: str
"""
if self.metadata.support is None:
support_suffix = ""
else:
support_suffix = "_%s" % self.metadata.support
return "hwpack_%s_%s_%s%s%s" % (
self.metadata.name, self.metadata.version,
self.metadata.architecture, support_suffix, extension)
def add_apt_sources(self, sources):
"""Add APT sources to the hardware pack.
Given a dict of names and the source lines this will add
them to the hardware pack.
The names should be an identifier for the source, and the
source lines should be what is put in sources.list for that
source, minus the "deb" part.
If you pass an identifier that has already been passed to this
method, then the previous value will be replaced with the new
value.
:param sources: the sources to use as a dict mapping identifiers
to sources entries.
:type sources: a dict mapping str to str
"""
if sources:
self.sources.update(sources)
def add_packages(self, packages):
"""Add packages to the hardware pack.
Given a list of packages this will add them to the hardware
pack.
:param packages: the packages to add
:type packages: FetchedPackage
"""
self.packages += packages
def add_dependency_package(self, packages_spec):
"""Add a packge that depends on packages_spec to the hardware pack.
:param packages_spec: A list of apt package specifications,
e.g. ``['foo', 'bar (>= 1.2)']``.
"""
with PackageMaker() as maker:
dep_package_name = 'hwpack-' + self.metadata.name
relationships = {}
if packages_spec:
relationships = {'Depends': ', '.join(packages_spec)}
deb_file_path = maker.make_package(
dep_package_name, self.metadata.version,
relationships, self.metadata.architecture)
self.packages.append(FetchedPackage.from_deb(deb_file_path))
def add_file(self, dir, file):
target_file = os.path.join(dir, os.path.basename(file))
self.files.append((file, target_file))
return target_file
def manifest_text(self):
manifest_content = ""
for package in self.packages:
manifest_content += "%s=%s\n" % (
package.name, package.version)
return manifest_content
def to_file(self, fileobj):
"""Write the hwpack to a file object.
The full hardware pack will be written to the file object in
gzip compressed tarball form as the spec requires.
:param fileobj: the file object to write to.
:type fileobj: a file-like object
:return: None
"""
kwargs = {}
kwargs["default_uid"] = 1000
kwargs["default_gid"] = 1000
kwargs["default_uname"] = "user"
kwargs["default_gname"] = "group"
kwargs["default_mtime"] = time.time()
with writeable_tarfile(fileobj, mode="w:gz", **kwargs) as tf:
tf.create_file_from_string(
self.FORMAT_FILENAME, "%s\n" % self.format)
tf.create_file_from_string(
self.METADATA_FILENAME, str(self.metadata))
for fs_file_name, arc_file_name in self.files:
tf.add(fs_file_name, arcname=arc_file_name)
tf.create_dir(self.PACKAGES_DIRNAME)
for package in self.packages:
if package.content is not None:
tf.create_file_from_string(
self.PACKAGES_DIRNAME + "/" + package.filename,
package.content.read())
tf.create_file_from_string(
self.MANIFEST_FILENAME, self.manifest_text())
tf.create_file_from_string(
self.PACKAGES_FILENAME,
get_packages_file(
[p for p in self.packages if p.content is not None]))
tf.create_dir(self.SOURCES_LIST_DIRNAME)
for source_name, source_info in self.sources.items():
url_parsed = urlparse.urlsplit(source_info)
# Don't output sources with passwords in them
if not url_parsed.password:
tf.create_file_from_string(
(self.SOURCES_LIST_DIRNAME + "/" +
source_name + ".list"),
"deb " + source_info + "\n")
# TODO: include sources keys etc.
tf.create_dir(self.SOURCES_LIST_GPG_DIRNAME)
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