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from abc import ABCMeta, abstractmethod
from oe.utils import execute_pre_post_process
from oe.utils import contains as base_contains
from oe.package_manager import *
from oe.manifest import *
import shutil
import os
import subprocess
import re
class Rootfs(object):
"""
This is an abstract class. Do not instantiate this directly.
"""
__metaclass__ = ABCMeta
def __init__(self, d):
self.d = d
self.pm = None
self.image_rootfs = self.d.getVar('IMAGE_ROOTFS', True)
self.deploy_dir_image = self.d.getVar('DEPLOY_DIR_IMAGE', True)
bb.utils.remove(self.image_rootfs, True)
bb.utils.remove(self.d.getVar('MULTILIB_TEMP_ROOTFS', True), True)
self.install_order = [
Manifest.PKG_TYPE_LANGUAGE,
Manifest.PKG_TYPE_MUST_INSTALL,
Manifest.PKG_TYPE_ATTEMPT_ONLY,
Manifest.PKG_TYPE_MULTILIB]
@abstractmethod
def _create(self):
pass
@abstractmethod
def _get_delayed_postinsts(self):
pass
@abstractmethod
def _save_postinsts(self):
pass
@abstractmethod
def _log_check(self):
pass
@abstractmethod
def _insert_feed_uris(self):
pass
@abstractmethod
def _handle_intercept_failure(self, failed_script):
pass
def _exec_shell_cmd(self, cmd):
fakerootcmd = self.d.getVar('FAKEROOT', True)
if fakerootcmd is not None:
exec_cmd = [fakerootcmd, cmd]
else:
exec_cmd = cmd
try:
subprocess.check_output(exec_cmd)
except subprocess.CalledProcessError as e:
return("Command %s returned %d!" % (e.cmd, e.returncode))
return None
def create(self):
bb.note("###### Generate rootfs #######")
pre_process_cmds = self.d.getVar("ROOTFS_PREPROCESS_COMMAND", True)
post_process_cmds = self.d.getVar("ROOTFS_POSTPROCESS_COMMAND", True)
intercepts_dir = os.path.join(self.d.getVar('WORKDIR', True),
"intercept_scripts")
bb.utils.remove(intercepts_dir, True)
bb.utils.mkdirhier(self.image_rootfs)
bb.utils.mkdirhier(self.deploy_dir_image)
shutil.copytree(self.d.expand("${COREBASE}/scripts/postinst-intercepts"),
intercepts_dir)
shutil.copy(self.d.expand("${COREBASE}/meta/files/deploydir_readme.txt"),
self.deploy_dir_image +
"/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt")
execute_pre_post_process(self.d, pre_process_cmds)
# call the package manager dependent create method
self._create()
sysconfdir = self.image_rootfs + self.d.getVar('sysconfdir', True)
bb.utils.mkdirhier(sysconfdir)
with open(sysconfdir + "/version", "w+") as ver:
ver.write(self.d.getVar('BUILDNAME', True) + "\n")
self._run_intercepts()
execute_pre_post_process(self.d, post_process_cmds)
if base_contains("IMAGE_FEATURES", "read-only-rootfs",
True, False, self.d):
delayed_postinsts = self._get_delayed_postinsts()
if delayed_postinsts is not None:
bb.fatal("The following packages could not be configured"
"offline and rootfs is read-only: %s" %
delayed_postinsts)
self._create_devfs()
self._uninstall_uneeded()
self._insert_feed_uris()
self._run_ldconfig()
self._generate_kernel_module_deps()
def _uninstall_uneeded(self):
if base_contains("IMAGE_FEATURES", "package-management",
True, False, self.d):
return
delayed_postinsts = self._get_delayed_postinsts()
if delayed_postinsts is None:
self.pm.remove(["update-rc.d",
"base-passwd",
self.d.getVar("ROOTFS_BOOTSTRAP_INSTALL", True)],
False)
if os.path.exists(self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/init.d/run-postinsts")):
self._exec_shell_cmd(["update-rc.d", "-f", "-r",
self.d.getVar('IMAGE_ROOTFS', True),
"run-postinsts", "remove"])
else:
self._save_postinsts()
self.pm.remove_packaging_data()
def _run_intercepts(self):
intercepts_dir = os.path.join(self.d.getVar('WORKDIR', True),
"intercept_scripts")
bb.note("Running intercept scripts:")
for script in os.listdir(intercepts_dir):
script_full = os.path.join(intercepts_dir, script)
if script == "postinst_intercept" or not os.access(script_full, os.X_OK):
continue
bb.note("> Executing %s intercept ..." % script)
try:
subprocess.check_output(script_full)
except subprocess.CalledProcessError as e:
bb.note("WARNING: intercept script '%s' failed with %d!" %
(script, e.returncode))
with open(script_full) as intercept:
registered_pkgs = None
for line in intercept.read().split("\n"):
m = re.match("^##PKGS:(.*)", line)
if m is not None:
registered_pkgs = m.group(1).strip()
break
if registered_pkgs is not None:
bb.note("The postinstalls for the following packages "
"will be postponed for first boot: %s" %
registered_pkgs)
# call the backend dependent handler
self._handle_intercept_failure(registered_pkgs)
def _run_ldconfig(self):
if self.d.getVar('LDCONFIGDEPEND', True) is not None:
bb.note("Executing: ldconfig -r" + self.image_rootfs + "-c new -v")
self._exec_shell_cmd(['ldconfig', '-r', self.image_rootfs, '-c',
'new', '-v'])
def _generate_kernel_module_deps(self):
kernel_abi_ver_file = os.path.join(self.d.getVar('STAGING_KERNEL_DIR', True),
'kernel-abiversion')
if os.path.exists(kernel_abi_ver_file):
kernel_ver = open(kernel_abi_ver_file).read()
modules_dir = os.path.join(self.image_rootfs, 'lib', 'modules', kernel_ver)
bb.utils.mkdirhier(modules_dir)
self._exec_shell_cmd(['depmodwrapper', '-a', '-b', self.image_rootfs,
kernel_ver])
"""
Create devfs:
* IMAGE_DEVICE_TABLE is the old name to an absolute path to a device table file
* IMAGE_DEVICE_TABLES is a new name for a file, or list of files, seached
for in the BBPATH
If neither are specified then the default name of files/device_table-minimal.txt
is searched for in the BBPATH (same as the old version.)
"""
def _create_devfs(self):
devtable_list = []
devtable = self.d.getVar('IMAGE_DEVICE_TABLE', True)
if devtable is not None:
devtable_list.append(devtable)
else:
devtables = self.d.getVar('IMAGE_DEVICE_TABLES', True)
if devtables is None:
devtables = 'files/device_table-minimal.txt'
for devtable in devtables.split():
devtable_list.append("%s" % bb.utils.which(self.d.getVar('BBPATH', True), devtable))
for devtable in devtable_list:
self._exec_shell_cmd(["makedevs", "-r",
self.image_rootfs, "-D", devtable])
class RpmRootfs(Rootfs):
def __init__(self, manifest):
super(RpmRootfs, self).__init__(manifest)
"""
TBD
"""
class DpkgRootfs(Rootfs):
def __init__(self, d, manifest_dir):
super(DpkgRootfs, self).__init__(d)
self.manifest = DpkgManifest(d, manifest_dir)
self.pm = DpkgPM(d, d.getVar('IMAGE_ROOTFS', True),
d.getVar('PACKAGE_ARCHS', True),
d.getVar('DPKG_ARCH', True))
def _create(self):
pkgs_to_install = self.manifest.parse_initial_manifest()
alt_dir = self.d.expand("${IMAGE_ROOTFS}/var/lib/dpkg/alternatives")
bb.utils.mkdirhier(alt_dir)
# update PM index files
self.pm.write_index()
self.pm.update()
for pkg_type in self.install_order:
if pkg_type in pkgs_to_install:
self.pm.install(pkgs_to_install[pkg_type],
[False, True][pkg_type == Manifest.PKG_TYPE_ATTEMPT_ONLY])
self.pm.install_complementary()
self.pm.fix_broken_dependencies()
self.pm.mark_packages("installed")
self.pm.run_pre_post_installs()
def _get_delayed_postinsts(self):
pkg_list = []
with open(self.image_rootfs + "/var/lib/dpkg/status") as status:
for line in status:
m_pkg = re.match("^Package: (.*)", line)
m_status = re.match("^Status:.*unpacked", line)
if m_pkg is not None:
pkg_name = m_pkg.group(1)
elif m_status is not None:
pkg_list.append(pkg_name)
if len(pkg_list) == 0:
return None
return pkg_list
def _save_postinsts(self):
num = 0
for p in self._get_delayed_postinsts():
dst_postinst_dir = self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/deb-postinsts")
src_postinst_dir = self.d.expand("${IMAGE_ROOTFS}/var/lib/dpkg/info")
bb.utils.mkdirhier(dst_postinst_dir)
if os.path.exists(os.path.join(src_postinst_dir, p + ".postinst")):
shutil.copy(os.path.join(src_postinst_dir, p + ".postinst"),
os.path.join(dst_postinst_dir, "%03d-%s" % (num, p)))
num += 1
def _handle_intercept_failure(self, registered_pkgs):
self.pm.mark_packages("unpacked", registered_pkgs.split())
def _log_check(self):
pass
def _insert_feed_uris(self):
pass
class OpkgRootfs(Rootfs):
def __init__(self, d, manifest_dir):
super(OpkgRootfs, self).__init__(d)
self.manifest = OpkgManifest(d, manifest_dir)
self.opkg_conf = self.d.getVar("IPKGCONF_TARGET", True)
self.pkg_archs = self.d.getVar("ALL_MULTILIB_PACKAGE_ARCHS", True)
self.pm = OpkgPM(d, self.image_rootfs, self.opkg_conf, self.pkg_archs)
"""
This function was reused from the old implementation.
See commit: "image.bbclass: Added variables for multilib support." by
Lianhao Lu.
"""
def _multilib_sanity_test(self, dirs):
import filecmp
allow_replace = self.d.getVar("MULTILIBRE_ALLOW_REP", True)
if allow_replace is None:
allow_replace = ""
allow_rep = re.compile(re.sub("\|$", "", allow_replace))
error_prompt = "Multilib check error:"
files = {}
for dir in dirs:
for root, subfolders, subfiles in os.walk(dir):
for file in subfiles:
item = os.path.join(root, file)
key = str(os.path.join("/", os.path.relpath(item, dir)))
valid = True
if key in files:
#check whether the file is allow to replace
if allow_rep.match(key):
valid = True
else:
if not filecmp.cmp(files[key], item):
valid = False
bb.fatal("%s duplicate files %s %s is not the same\n" %
(error_prompt, item, files[key]))
#pass the check, add to list
if valid:
files[key] = item
def _multilib_test_install(self, pkgs):
ml_temp = self.d.getVar("MULTILIB_TEMP_ROOTFS", True)
bb.utils.mkdirhier(ml_temp)
dirs = [self.image_rootfs]
for variant in self.d.getVar("MULTILIB_VARIANTS", True).split():
ml_target_rootfs = os.path.join(ml_temp, variant)
bb.utils.remove(ml_target_rootfs, True)
ml_opkg_conf = os.path.join(ml_temp,
variant + "-" + os.path.basename(self.opkg_conf))
ml_pm = OpkgPM(self.d, ml_target_rootfs, ml_opkg_conf, self.pkg_archs)
ml_pm.update()
ml_pm.install(pkgs)
dirs.append(ml_target_rootfs)
self._multilib_sanity_test(dirs)
def _create(self):
pkgs_to_install = self.manifest.parse_initial_manifest()
opkg_pre_process_cmds = self.d.getVar('OPKG_PREPROCESS_COMMANDS', True)
opkg_post_process_cmds = self.d.getVar('OPKG_POSTPROCESS_COMMANDS', True)
rootfs_post_install_cmds = self.d.getVar('ROOTFS_POSTINSTALL_COMMAND', True)
# update PM index files
self.pm.write_index()
execute_pre_post_process(self.d, opkg_pre_process_cmds)
self.pm.update()
self.pm.handle_bad_recommendations()
for pkg_type in self.install_order:
if pkg_type in pkgs_to_install:
# For multilib, we perform a sanity test before final install
# If sanity test fails, it will automatically do a bb.fatal()
# and the installation will stop
if pkg_type == Manifest.PKG_TYPE_MULTILIB:
self._multilib_test_install(pkgs_to_install[pkg_type])
self.pm.install(pkgs_to_install[pkg_type],
[False, True][pkg_type == Manifest.PKG_TYPE_ATTEMPT_ONLY])
self.pm.install_complementary()
execute_pre_post_process(self.d, opkg_post_process_cmds)
execute_pre_post_process(self.d, rootfs_post_install_cmds)
def _get_delayed_postinsts(self):
pkg_list = []
status_file = os.path.join(self.image_rootfs,
self.d.getVar('OPKGLIBDIR', True),
"opkg", "status")
with open(status_file) as status:
for line in status:
m_pkg = re.match("^Package: (.*)", line)
m_status = re.match("^Status:.*unpacked", line)
if m_pkg is not None:
pkg_name = m_pkg.group(1)
elif m_status is not None:
pkg_list.append(pkg_name)
if len(pkg_list) == 0:
return None
return pkg_list
def _save_postinsts(self):
num = 0
for p in self._get_delayed_postinsts():
dst_postinst_dir = self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/ipk-postinsts")
src_postinst_dir = self.d.expand("${IMAGE_ROOTFS}${OPKGLIBDIR}/opkg/info")
bb.utils.mkdirhier(dst_postinst_dir)
if os.path.exists(os.path.join(src_postinst_dir, p + ".postinst")):
shutil.copy(os.path.join(src_postinst_dir, p + ".postinst"),
os.path.join(dst_postinst_dir, "%03d-%s" % (num, p)))
num += 1
def _handle_intercept_failure(self, registered_pkgs):
self.pm.mark_packages("unpacked", registered_pkgs.split())
def _log_check(self):
pass
def _insert_feed_uris(self):
pass
def create_rootfs(d, manifest_dir=None):
env_bkp = os.environ.copy()
img_type = d.getVar('IMAGE_PKGTYPE', True)
if img_type == "rpm":
bb.fatal("RPM backend was not implemented yet...")
elif img_type == "ipk":
OpkgRootfs(d, manifest_dir).create()
elif img_type == "deb":
DpkgRootfs(d, manifest_dir).create()
os.environ.clear()
os.environ.update(env_bkp)
if __name__ == "__main__":
"""
We should be able to run this as a standalone script, from outside bitbake
environment.
"""
"""
TBD
"""
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