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from abc import ABCMeta, abstractmethod
import os
import subprocess
import multiprocessing
import re
# this can be used by all PM backends to create the index files in parallel
def create_index(arg):
index_cmd = arg
try:
bb.note("Executing '%s' ..." % index_cmd)
subprocess.check_output(index_cmd, shell=True)
except subprocess.CalledProcessError as e:
return("Index creation command %s failed with return code %d!" %
(' '.join(e.cmd), e.returncode))
return None
class PackageManager(object):
"""
This is an abstract class. Do not instantiate this directly.
"""
__metaclass__ = ABCMeta
def __init__(self, d):
self.d = d
"""
Update the package manager package database.
"""
@abstractmethod
def update(self):
pass
"""
Install a list of packages. 'pkgs' is a list object. If 'attempt_only' is
True, installation failures are ignored.
"""
@abstractmethod
def install(self, pkgs, attempt_only=False):
pass
"""
Remove a list of packages. 'pkgs' is a list object. If 'with_dependencies'
is False, the any dependencies are left in place.
"""
@abstractmethod
def remove(self, pkgs, with_dependencies=True):
pass
"""
This function creates the Packages.gz files in each arch directory in
DEPLOY_DIR_DEB.
"""
@abstractmethod
def write_index(self):
pass
@abstractmethod
def remove_packaging_data(self):
pass
@abstractmethod
def list_installed(self, format=None):
pass
"""
Install complementary packages based upon the list of currently installed
packages e.g. locales, *-dev, *-dbg, etc. This will only attempt to install
these packages, if they don't exist then no error will occur. Note: every
backend needs to call this function explicitly after the normal package
installation
"""
def install_complementary(self, globs=None):
# we need to write the list of installed packages to a file because the
# oe-pkgdata-util reads it from a file
installed_pkgs_file = os.path.join(self.d.getVar('WORKDIR', True),
"installed_pkgs.txt")
with open(installed_pkgs_file, "w+") as installed_pkgs:
installed_pkgs.write(self.list_installed("arch"))
if globs is None:
globs = self.d.getVar('IMAGE_INSTALL_COMPLEMENTARY', True)
split_linguas = set()
for translation in self.d.getVar('IMAGE_LINGUAS', True).split():
split_linguas.add(translation)
split_linguas.add(translation.split('-')[0])
split_linguas = sorted(split_linguas)
for lang in split_linguas:
globs += " *-locale-%s" % lang
if globs is None:
return
cmd = [bb.utils.which(os.getenv('PATH'), "oe-pkgdata-util"),
"glob", self.d.getVar('PKGDATA_DIR', True), installed_pkgs_file,
globs]
try:
bb.note("Installing complementary packages ...")
complementary_pkgs = subprocess.check_output(cmd)
except subprocess.CalledProcessError as e:
bb.fatal("Could not compute complementary packages list. Command "
"%s returned %d!" % (' '.join(cmd), e.returncode))
self.install(complementary_pkgs.split(), attempt_only=True)
class RpmPM(PackageManager):
def __init__(self):
super(RpmPM, self).__init__()
"""
TBD
"""
class OpkgPM(PackageManager):
def __init__(self):
super(OpkgPM, self).__init__()
"""
TBD
"""
class DpkgPM(PackageManager):
def __init__(self, d, target_rootfs, archs, dpkg_arch):
super(DpkgPM, self).__init__(d)
self.target_rootfs = target_rootfs
self.deploy_dir = self.d.getVar('DEPLOY_DIR_DEB', True)
self.apt_conf_dir = self.d.expand("${APTCONF_TARGET}/apt")
self.apt_conf_file = os.path.join(self.apt_conf_dir, "apt.conf")
self.apt_get_cmd = bb.utils.which(os.getenv('PATH'), "apt-get")
self.apt_args = ['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]
os.environ['APT_CONFIG'] = self.apt_conf_file
self._create_configs(archs, dpkg_arch)
"""
This function will change a package's status in /var/lib/dpkg/status file.
If 'packages' is None then the new_status will be applied to all
packages
"""
def mark_packages(self, status_tag, packages=None):
status_file = self.target_rootfs + "/var/lib/dpkg/status"
with open(status_file, "r") as sf:
with open(status_file + ".tmp", "w+") as tmp_sf:
if packages is None:
tmp_sf.write(re.sub(r"Package: (.*)\nStatus: (.*)(unpacked|installed)",
r"Package: \1\nStatus: \2%s" % status_tag,
sf.read()))
else:
if type(packages).__name__ != "list":
raise TypeError("'packages' should be a list object")
status = sf.read()
for pkg in packages:
status = re.sub(r"Package: %s\nStatus: (.*)(unpacked|installed)" % pkg,
r"Package: %s\nStatus: \1%s" % (pkg, status_tag),
status)
tmp_sf.write(status)
os.rename(status_file + ".tmp", status_file)
"""
Run the pre/post installs for package "package_name". If package_name is
None, then run all pre/post install scriptlets.
"""
def run_pre_post_installs(self, package_name=None):
info_dir = self.target_rootfs + "/var/lib/dpkg/info"
suffixes = [(".preinst", "Preinstall"), (".postinst", "Postinstall")]
status_file = self.target_rootfs + "/var/lib/dpkg/status"
installed_pkgs = []
with open(status_file, "r") as status:
for line in status.read().split('\n'):
m = re.match("^Package: (.*)", line)
if m is not None:
installed_pkgs.append(m.group(1))
if package_name is not None and not package_name in installed_pkgs:
return
os.environ['D'] = self.target_rootfs
os.environ['OFFLINE_ROOT'] = self.target_rootfs
os.environ['IPKG_OFFLINE_ROOT'] = self.target_rootfs
os.environ['OPKG_OFFLINE_ROOT'] = self.target_rootfs
os.environ['INTERCEPT_DIR'] = os.path.join(self.d.getVar('WORKDIR', True),
"intercept_scripts")
os.environ['NATIVE_ROOT'] = self.d.getVar('STAGING_DIR_NATIVE', True)
failed_pkgs = []
for pkg_name in installed_pkgs:
for suffix in suffixes:
p_full = os.path.join(info_dir, pkg_name + suffix[0])
if os.path.exists(p_full):
try:
bb.note("Executing %s for package: %s ..." %
(suffix[1].lower(), pkg_name))
subprocess.check_output(p_full)
except subprocess.CalledProcessError as e:
bb.note("%s for package %s failed with %d" %
(suffix[1], pkg_name, e.returncode))
failed_pkgs.append(pkg_name)
break
if len(failed_pkgs):
self.mark_packages("unpacked", failed_pkgs)
def update(self):
cmd = "%s update" % self.apt_get_cmd
try:
subprocess.check_output(cmd.split())
except subprocess.CalledProcessError as e:
bb.fatal("Unable to update the package index files. Command %s "
"returned %d" % (e.cmd, e.returncode))
def install(self, pkgs, attempt_only=False):
cmd = "%s %s install --force-yes --allow-unauthenticated %s" % \
(self.apt_get_cmd, self.apt_args, ' '.join(pkgs))
try:
bb.note("Installing the following packages: %s" % ' '.join(pkgs))
subprocess.check_output(cmd.split())
except subprocess.CalledProcessError as e:
(bb.fatal, bb.note)[attempt_only]("Unable to install packages. "
"Command %s returned %d" %
(cmd, e.returncode))
# rename *.dpkg-new files/dirs
for root, dirs, files in os.walk(self.target_rootfs):
for dir in dirs:
new_dir = re.sub("\.dpkg-new", "", dir)
if dir != new_dir:
os.rename(os.path.join(root, dir),
os.path.join(root, new_dir))
for file in files:
new_file = re.sub("\.dpkg-new", "", file)
if file != new_file:
os.rename(os.path.join(root, file),
os.path.join(root, new_file))
def remove(self, pkgs, with_dependencies=True):
if with_dependencies:
cmd = "%s remove %s" % (self.apt_get_cmd, ' '.join(pkgs))
else:
cmd = "%s --admindir=%s/var/lib/dpkg --instdir=%s" \
" -r --force-depends %s" % \
(bb.utils.which(os.getenv('PATH'), "dpkg"),
self.target_rootfs, self.target_rootfs, ' '.join(pkgs))
try:
subprocess.check_output(cmd.split())
except subprocess.CalledProcessError as e:
bb.fatal("Unable to remove packages. Command %s "
"returned %d" % (e.cmd, e.returncode))
def write_index(self):
tmpdir = self.d.getVar('TMPDIR', True)
if os.path.exists(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN")):
return
pkg_archs = self.d.getVar('PACKAGE_ARCHS', True)
if pkg_archs is not None:
arch_list = pkg_archs.split()
sdk_pkg_archs = self.d.getVar('SDK_PACKAGE_ARCHS', True)
if sdk_pkg_archs is not None:
arch_list += sdk_pkg_archs.split()
dpkg_scanpackages = bb.utils.which(os.getenv('PATH'), "dpkg-scanpackages")
gzip = bb.utils.which(os.getenv('PATH'), "gzip")
index_cmds = []
deb_dirs_found = False
for arch in arch_list:
arch_dir = os.path.join(self.deploy_dir, arch)
if not os.path.isdir(arch_dir):
continue
with open(os.path.join(arch_dir, "Release"), "w+") as release:
release.write("Label: %s" % arch)
index_cmds.append("cd %s; %s . | %s > Packages.gz" %
(arch_dir, dpkg_scanpackages, gzip))
deb_dirs_found = True
if not deb_dirs_found:
bb.fatal("There are no packages in %s" % self.deploy_dir)
nproc = multiprocessing.cpu_count()
pool = bb.utils.multiprocessingpool(nproc)
results = list(pool.imap(create_index, index_cmds))
pool.close()
pool.join()
for result in results:
if result is not None:
bb.fatal(result)
open(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN"), "w+").close()
def _create_configs(self, archs, dpkg_arch):
dpkg_arch = re.sub("_", "-", dpkg_arch)
if os.path.exists(self.apt_conf_dir):
bb.utils.remove(self.apt_conf_dir, True)
bb.utils.mkdirhier(self.apt_conf_dir)
arch_list = []
for arch in archs.split():
if not os.path.exists(os.path.join(self.deploy_dir, arch)):
continue
arch_list.append(arch)
with open(os.path.join(self.apt_conf_dir, "preferences"), "w+") as prefs_file:
priority = 801
for arch in arch_list:
prefs_file.write(
"Package: *\n"
"Pin: release l=%s\n"
"Pin-Priority: %d\n\n" % (arch, priority))
priority += 5
for pkg in self.d.getVar('PACKAGE_EXCLUDE', True).split():
prefs_file.write(
"Package: %s\n"
"Pin: release *\n"
"Pin-Priority: -1\n\n" % pkg)
arch_list.reverse()
with open(os.path.join(self.apt_conf_dir, "sources.list"), "w+") as sources_file:
for arch in arch_list:
sources_file.write("deb file:%s/ ./\n" %
os.path.join(self.deploy_dir, arch))
with open(self.apt_conf_file, "w+") as apt_conf:
with open(self.d.expand("${STAGING_ETCDIR_NATIVE}/apt/apt.conf.sample")) as apt_conf_sample:
for line in apt_conf_sample.read().split("\n"):
line = re.sub("Architecture \".*\";",
"Architecture \"%s\";" % dpkg_arch, line)
line = re.sub("#ROOTFS#", self.target_rootfs, line)
line = re.sub("#APTCONF#", self.apt_conf_dir, line)
apt_conf.write(line + "\n")
target_dpkg_dir = "%s/var/lib/dpkg" % self.target_rootfs
bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "info"))
bb.utils.mkdirhier(os.path.join(target_dpkg_dir, "updates"))
open(os.path.join(target_dpkg_dir, "status"), "w+").close()
open(os.path.join(target_dpkg_dir, "available"), "w+").close()
def remove_packaging_data(self):
bb.utils.remove(os.path.join(self.target_rootfs,
self.d.getVar('opkglibdir', True)), True)
bb.utils.remove(self.target_rootfs + "/var/lib/dpkg/", True)
def fix_broken_dependencies(self):
cmd = "%s %s -f install" % (self.apt_get_cmd, self.apt_args)
try:
subprocess.check_output(cmd.split())
except subprocess.CalledProcessError as e:
bb.fatal("Cannot fix broken dependencies. Command %s "
"returned %d" % (cmd, e.returncode))
def list_installed(self, format=None):
cmd = [bb.utils.which(os.getenv('PATH'), "dpkg-query"),
"--admindir=%s/var/lib/dpkg" % self.target_rootfs,
"-W"]
if format == "arch":
cmd.append("-f=${Package} ${PackageArch}\n")
elif format == "file":
cmd.append("-f=${Package} ${Package}_${Version}_${Architecture}.deb ${PackageArch}\n")
elif format == "ver":
cmd.append("-f=${Package} ${PackageArch} ${Version}\n")
else:
cmd.append("-f=${Package}")
try:
output = subprocess.check_output(cmd).strip()
except subprocess.CalledProcessError as e:
bb.fatal("Cannot get the installed packages list. Command %s "
"returned %d" % (' '.join(cmd), e.returncode))
if format == "file":
tmp_output = ""
for pkg, pkg_file, pkg_arch in tuple(output.split('\n')):
full_path = os.path.join(self.deploy_dir, pkg_arch, pkg_file)
if os.path.exists(full_path):
tmp_output += "%s %s %s\n" % (pkg, full_path, pkg_arch)
else:
tmp_output += "%s %s %s\n" % (pkg, pkg_file, pkg_arch)
output = tmp_output
return output
if __name__ == "__main__":
"""
We should be able to run this as a standalone script, from outside bitbake
environment.
"""
"""
TBD
"""
|