Files
poky/meta/lib/oe/package_manager/deb/rootfs.py
Fredrik Gustafsson e51345b507 package management: Allow dynamic loading of PM
Dynamic loading of package managers will allow other layers to simply
add their package manager code in package_manager/ and have bitbake find
it according to the package manager configuration. This is useful for
adding new (faster) package managers to Open Embedded while not increasing the
test scope or require Open Embedded to support more package managers.

How this is tested:
* Build core-image-minimal with all three package managers
* Build the sdk with all three package managers. dpkg fails, but
  it fails on master as well.
* Run the complete test suite, all tests passed except 16
* Run those 16 tests on master and verify that they fail there as well
* Fix errors making tests works on master but not with this patch.

(From OE-Core rev: 02670501dea192879ddf9f8048eea57a94719fc1)

Signed-off-by: Fredrik Gustafsson <fredrigu@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-11-24 15:53:07 +00:00

211 lines
7.2 KiB
Python

#
# SPDX-License-Identifier: GPL-2.0-only
#
import re
import shutil
from oe.rootfs import Rootfs
from oe.manifest import Manifest
from oe.utils import execute_pre_post_process
from oe.package_manager.deb.manifest import PkgManifest
from oe.package_manager.deb import DpkgPM
class DpkgOpkgRootfs(Rootfs):
def __init__(self, d, progress_reporter=None, logcatcher=None):
super(DpkgOpkgRootfs, self).__init__(d, progress_reporter, logcatcher)
def _get_pkgs_postinsts(self, status_file):
def _get_pkg_depends_list(pkg_depends):
pkg_depends_list = []
# filter version requirements like libc (>= 1.1)
for dep in pkg_depends.split(', '):
m_dep = re.match(r"^(.*) \(.*\)$", dep)
if m_dep:
dep = m_dep.group(1)
pkg_depends_list.append(dep)
return pkg_depends_list
pkgs = {}
pkg_name = ""
pkg_status_match = False
pkg_depends = ""
with open(status_file) as status:
data = status.read()
status.close()
for line in data.split('\n'):
m_pkg = re.match(r"^Package: (.*)", line)
m_status = re.match(r"^Status:.*unpacked", line)
m_depends = re.match(r"^Depends: (.*)", line)
#Only one of m_pkg, m_status or m_depends is not None at time
#If m_pkg is not None, we started a new package
if m_pkg is not None:
#Get Package name
pkg_name = m_pkg.group(1)
#Make sure we reset other variables
pkg_status_match = False
pkg_depends = ""
elif m_status is not None:
#New status matched
pkg_status_match = True
elif m_depends is not None:
#New depends macthed
pkg_depends = m_depends.group(1)
else:
pass
#Now check if we can process package depends and postinst
if "" != pkg_name and pkg_status_match:
pkgs[pkg_name] = _get_pkg_depends_list(pkg_depends)
else:
#Not enough information
pass
# remove package dependencies not in postinsts
pkg_names = list(pkgs.keys())
for pkg_name in pkg_names:
deps = pkgs[pkg_name][:]
for d in deps:
if d not in pkg_names:
pkgs[pkg_name].remove(d)
return pkgs
def _get_delayed_postinsts_common(self, status_file):
def _dep_resolve(graph, node, resolved, seen):
seen.append(node)
for edge in graph[node]:
if edge not in resolved:
if edge in seen:
raise RuntimeError("Packages %s and %s have " \
"a circular dependency in postinsts scripts." \
% (node, edge))
_dep_resolve(graph, edge, resolved, seen)
resolved.append(node)
pkg_list = []
pkgs = None
if not self.d.getVar('PACKAGE_INSTALL').strip():
bb.note("Building empty image")
else:
pkgs = self._get_pkgs_postinsts(status_file)
if pkgs:
root = "__packagegroup_postinst__"
pkgs[root] = list(pkgs.keys())
_dep_resolve(pkgs, root, pkg_list, [])
pkg_list.remove(root)
if len(pkg_list) == 0:
return None
return pkg_list
def _save_postinsts_common(self, dst_postinst_dir, src_postinst_dir):
if bb.utils.contains("IMAGE_FEATURES", "package-management",
True, False, self.d):
return
num = 0
for p in self._get_delayed_postinsts():
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
class PkgRootfs(DpkgOpkgRootfs):
def __init__(self, d, manifest_dir, progress_reporter=None, logcatcher=None):
super(PkgRootfs, self).__init__(d, progress_reporter, logcatcher)
self.log_check_regex = '^E:'
self.log_check_expected_regexes = \
[
"^E: Unmet dependencies."
]
bb.utils.remove(self.image_rootfs, True)
bb.utils.remove(self.d.getVar('MULTILIB_TEMP_ROOTFS'), True)
self.manifest = PkgManifest(d, manifest_dir)
self.pm = DpkgPM(d, d.getVar('IMAGE_ROOTFS'),
d.getVar('PACKAGE_ARCHS'),
d.getVar('DPKG_ARCH'))
def _create(self):
pkgs_to_install = self.manifest.parse_initial_manifest()
deb_pre_process_cmds = self.d.getVar('DEB_PREPROCESS_COMMANDS')
deb_post_process_cmds = self.d.getVar('DEB_POSTPROCESS_COMMANDS')
alt_dir = self.d.expand("${IMAGE_ROOTFS}/var/lib/dpkg/alternatives")
bb.utils.mkdirhier(alt_dir)
# update PM index files
self.pm.write_index()
execute_pre_post_process(self.d, deb_pre_process_cmds)
if self.progress_reporter:
self.progress_reporter.next_stage()
# Don't support incremental, so skip that
self.progress_reporter.next_stage()
self.pm.update()
if self.progress_reporter:
self.progress_reporter.next_stage()
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.fix_broken_dependencies()
if self.progress_reporter:
# Don't support attemptonly, so skip that
self.progress_reporter.next_stage()
self.progress_reporter.next_stage()
self.pm.install_complementary()
if self.progress_reporter:
self.progress_reporter.next_stage()
self._setup_dbg_rootfs(['/var/lib/dpkg'])
self.pm.fix_broken_dependencies()
self.pm.mark_packages("installed")
self.pm.run_pre_post_installs()
execute_pre_post_process(self.d, deb_post_process_cmds)
if self.progress_reporter:
self.progress_reporter.next_stage()
@staticmethod
def _depends_list():
return ['DEPLOY_DIR_DEB', 'DEB_SDK_ARCH', 'APTCONF_TARGET', 'APT_ARGS', 'DPKG_ARCH', 'DEB_PREPROCESS_COMMANDS', 'DEB_POSTPROCESS_COMMANDS']
def _get_delayed_postinsts(self):
status_file = self.image_rootfs + "/var/lib/dpkg/status"
return self._get_delayed_postinsts_common(status_file)
def _save_postinsts(self):
dst_postinst_dir = self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/deb-postinsts")
src_postinst_dir = self.d.expand("${IMAGE_ROOTFS}/var/lib/dpkg/info")
return self._save_postinsts_common(dst_postinst_dir, src_postinst_dir)
def _log_check(self):
self._log_check_warn()
self._log_check_error()
def _cleanup(self):
pass