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Thu, 22 Feb 2024 00:34:42 +0000 X-MS-Exchange-Authentication-Results: spf=temperror (sender IP is 193.8.40.94) smtp.mailfrom=leica-geosystems.com; dkim=none (message not signed) header.d=none;dmarc=temperror action=none header.from=leica-geosystems.com; Received-SPF: TempError (protection.outlook.com: error in processing during lookup of leica-geosystems.com: DNS Timeout) Received: from hexagon.com (193.8.40.94) by AM3PEPF00009B9E.mail.protection.outlook.com (10.167.16.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.25 via Frontend Transport; Thu, 22 Feb 2024 00:34:41 +0000 Received: from aherlnxbspsrv01.lgs-net.com ([10.60.34.116]) by hexagon.com with Microsoft SMTPSVC(10.0.17763.1697); Thu, 22 Feb 2024 01:34:39 +0100 From: Johannes Schneider To: openembedded-core@lists.openembedded.org, richard.purdie@linuxfoundation.org CC: Johannes Schneider Subject: [PATCH v3 2/3] image.bbclass/rootfs: set and unpack package-database Date: Thu, 22 Feb 2024 01:34:26 +0100 Message-ID: <20240222003428.1585775-3-johannes.schneider@leica-geosystems.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240222003428.1585775-1-johannes.schneider@leica-geosystems.com> References: <20240222003428.1585775-1-johannes.schneider@leica-geosystems.com> MIME-Version: 1.0 X-OriginalArrivalTime: 22 Feb 2024 00:34:39.0438 (UTC) FILETIME=[EB75CEE0:01DA6526] X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM3PEPF00009B9E:EE_|AM7PR06MB6389:EE_ X-MS-Office365-Filtering-Correlation-Id: 96411337-3337-4615-6a98-08dc333e0ef4 X-SET-LOWER-SCL-SCANNER: YES X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Thu, 22 Feb 2024 00:34:53 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/196001 set the package-database of a "lower image" to unpack and build upon when installing packages for the current image. This way a lean image will be created, which only holds the packages that are not already present in the lower image. An image build such could then be used with overlayfs or systemd- sysext to extend the "lower image" on demand; for development purposes on a device running the "lower image" in RO mode for example. A configuration could look as follows: some-core-image.bb inherit image IMAGE_GEN_PKGDBFS = "1" extending-image.bb inherit image IMAGE_BASE_PKGDB = "some-core-image" Signed-off-by: Johannes Schneider --- meta/classes-recipe/image.bbclass | 23 ++++++++-- meta/conf/documentation.conf | 3 +- meta/lib/oe/package_manager/deb/rootfs.py | 2 + meta/lib/oe/package_manager/ipk/rootfs.py | 6 ++- meta/lib/oe/package_manager/rpm/rootfs.py | 7 ++- meta/lib/oe/rootfs.py | 18 ++++++++ meta/lib/oeqa/selftest/cases/imagefeatures.py | 46 +++++++++++++++++++ 7 files changed, 97 insertions(+), 8 deletions(-) diff --git a/meta/classes-recipe/image.bbclass b/meta/classes-recipe/image.bbclass index 3ccaaa17b8..c573c37cd8 100644 --- a/meta/classes-recipe/image.bbclass +++ b/meta/classes-recipe/image.bbclass @@ -42,8 +42,16 @@ IMAGE_FEATURES ?= "" IMAGE_FEATURES[type] = "list" IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs read-only-rootfs-delayed-postinsts stateless-rootfs empty-root-password allow-empty-password allow-root-login serial-autologin-root post-install-logging overlayfs-etc" -# Generate snapshot of the package database? +# Image layering: +# a "base image" would create a snapshot of the package-database after the +# installation of all packages into the rootfs is done. The next/other image +# "layered on-top" of the former would then import that database and install +# further packages; without reinstalling packages/dependencies that are already +# installed in the layer below. +# Set to '1' in a "base image" recipe, to preserve a snapshot of the package database. IMAGE_GEN_PKGDBFS ?= "0" +# "PN" of a "base image", upon which the current image is to be built upon. +IMAGE_BASE_PKGDB ?= "" # Generate companion debugfs? IMAGE_GEN_DEBUGFS ?= "0" @@ -118,6 +126,15 @@ do_rootfs[depends] += " \ " do_rootfs[recrdeptask] += "do_packagedata" +python () { + # make sure that the 'base image' has been queued in before this + # image wants to unpack and build upon the formers pgkdb + base_image = d.getVar('IMAGE_BASE_PKGDB') + pn = d.getVar('PN') + if base_image and base_image != pn: + d.appendVarFlag("do_rootfs", 'depends', ' '+ base_image + ':do_image_complete') +} + def rootfs_command_variables(d): return ['ROOTFS_POSTPROCESS_COMMAND','ROOTFS_PREPROCESS_COMMAND','ROOTFS_POSTINSTALL_COMMAND','ROOTFS_POSTUNINSTALL_COMMAND','OPKG_PREPROCESS_COMMANDS','OPKG_POSTPROCESS_COMMANDS','IMAGE_POSTPROCESS_COMMAND', 'IMAGE_PREPROCESS_COMMAND','RPM_PREPROCESS_COMMANDS','RPM_POSTPROCESS_COMMANDS','DEB_PREPROCESS_COMMANDS','DEB_POSTPROCESS_COMMANDS'] @@ -134,8 +151,8 @@ def rootfs_variables(d): 'IMAGE_ROOTFS_MAXSIZE','IMAGE_NAME','IMAGE_LINK_NAME','IMAGE_MANIFEST','DEPLOY_DIR_IMAGE','IMAGE_FSTYPES','IMAGE_INSTALL_COMPLEMENTARY','IMAGE_LINGUAS', 'IMAGE_LINGUAS_COMPLEMENTARY', 'IMAGE_LOCALES_ARCHIVE', 'MULTILIBRE_ALLOW_REP','MULTILIB_TEMP_ROOTFS','MULTILIB_VARIANTS','MULTILIBS','ALL_MULTILIB_PACKAGE_ARCHS','MULTILIB_GLOBAL_VARIANTS','BAD_RECOMMENDATIONS','NO_RECOMMENDATIONS', 'PACKAGE_ARCHS','PACKAGE_CLASSES','TARGET_VENDOR','TARGET_ARCH','TARGET_OS','OVERRIDES','BBEXTENDVARIANT','FEED_DEPLOYDIR_BASE_URI','INTERCEPT_DIR','USE_DEVFS', - 'CONVERSIONTYPES', 'IMAGE_GEN_PKGDBFS', 'IMAGE_GEN_DEBUGFS', 'ROOTFS_RO_UNNEEDED', 'IMGDEPLOYDIR', 'PACKAGE_EXCLUDE_COMPLEMENTARY', 'REPRODUCIBLE_TIMESTAMP_ROOTFS', - 'IMAGE_INSTALL_DEBUGFS'] + 'CONVERSIONTYPES', 'IMAGE_GEN_PKGDBFS', 'IMAGE_BASE_PKGDB', 'IMAGE_GEN_DEBUGFS', 'ROOTFS_RO_UNNEEDED', 'IMGDEPLOYDIR', 'PACKAGE_EXCLUDE_COMPLEMENTARY', + 'REPRODUCIBLE_TIMESTAMP_ROOTFS', 'IMAGE_INSTALL_DEBUGFS'] variables.extend(rootfs_command_variables(d)) variables.extend(variable_depends(d)) return " ".join(variables) diff --git a/meta/conf/documentation.conf b/meta/conf/documentation.conf index 7ec6f07dfc..9013556c04 100644 --- a/meta/conf/documentation.conf +++ b/meta/conf/documentation.conf @@ -208,6 +208,7 @@ ICECC_PATH[doc] = "The location of the icecc binary." ICECC_CLASS_DISABLE[doc] = "Identifies user classes that you do not want the Icecream distributed compile support to consider." ICECC_RECIPE_DISABLE[doc] = "Identifies user recipes that you do not want the Icecream distributed compile support to consider." ICECC_RECIPE_ENABLE[doc] = "Identifies user recipes that use an empty PARALLEL_MAKE variable that you want to force remote distributed compilation on using the Icecream distributed compile support." +IMAGE_BASE_PKGDB[doc] = "Set to the PN of a base-image name, which was built with IMAGE_GEN_PKGDBFS enabled; Then this image will only add/install packages into its rootfs that are not already in the base-image." IMAGE_BASENAME[doc] = "The base name of image output files." IMAGE_BOOT_FILES[doc] = "Whitespace separated list of files from ${DEPLOY_DIR_IMAGE} to place in boot partition. Entries will be installed under a same name as the source file. To change the destination file name, pass a desired name after a semicolon (eg. u-boot.img;uboot)." IMAGE_CLASSES[doc] = "A list of classes that all images should inherit." @@ -215,7 +216,7 @@ IMAGE_FEATURES[doc] = "The primary list of features to include in an image. Conf IMAGE_FSTYPES[doc] = "Formats of root filesystem images that you want to have created." IMAGE_FSTYPES_DEBUGFS[doc] = "Formats of the debug root filesystem images that you want to have created." IMAGE_GEN_DEBUGFS[doc] = "When set to '1', generate a companion debug object/source filesystem image." -IMAGE_GEN_PKGDBFS[doc] = "When set to '1', create a snapshot of the package-manager state after the rootfs has been assembled." +IMAGE_GEN_PKGDBFS[doc] = "When set to '1', create a snapshot of the package-manager state after the rootfs has been assembled; This snapshot can then be used in a different image recipe, that sets IMAGE_BASE_PKGDB to this images PN." IMAGE_INSTALL[doc] = "Specifies the packages to install into an image. Image recipes set IMAGE_INSTALL to specify the packages to install into an image through image.bbclass." IMAGE_LINGUAS[doc] = "Specifies the list of locales to install into the image during the root filesystem construction process." IMAGE_NAME[doc] = "The name of the output image files minus the extension." diff --git a/meta/lib/oe/package_manager/deb/rootfs.py b/meta/lib/oe/package_manager/deb/rootfs.py index 43107c8663..71a21df09b 100644 --- a/meta/lib/oe/package_manager/deb/rootfs.py +++ b/meta/lib/oe/package_manager/deb/rootfs.py @@ -152,6 +152,8 @@ class PkgRootfs(DpkgOpkgRootfs): execute_pre_post_process(self.d, deb_pre_process_cmds) + self._unpack_pkg_db_rootfs(['/var/lib/dpkg']) + if self.progress_reporter: self.progress_reporter.next_stage() # Don't support incremental, so skip that diff --git a/meta/lib/oe/package_manager/ipk/rootfs.py b/meta/lib/oe/package_manager/ipk/rootfs.py index 64d9bc7969..408faa8030 100644 --- a/meta/lib/oe/package_manager/ipk/rootfs.py +++ b/meta/lib/oe/package_manager/ipk/rootfs.py @@ -276,12 +276,16 @@ class PkgRootfs(DpkgOpkgRootfs): pkgs_to_install = self.manifest.parse_initial_manifest() opkg_pre_process_cmds = self.d.getVar('OPKG_PREPROCESS_COMMANDS') opkg_post_process_cmds = self.d.getVar('OPKG_POSTPROCESS_COMMANDS') + opkg_lib_dir = self.d.getVar('OPKGLIBDIR') + opkg_dir = os.path.join(opkg_lib_dir, 'opkg') # update PM index files self.pm.write_index() execute_pre_post_process(self.d, opkg_pre_process_cmds) + self._unpack_pkg_db_rootfs([opkg_dir]) + if self.progress_reporter: self.progress_reporter.next_stage() # Steps are a bit different in order, skip next @@ -317,8 +321,6 @@ class PkgRootfs(DpkgOpkgRootfs): if self.progress_reporter: self.progress_reporter.next_stage() - opkg_lib_dir = self.d.getVar('OPKGLIBDIR') - opkg_dir = os.path.join(opkg_lib_dir, 'opkg') self._setup_pkg_db_rootfs([opkg_dir]) self._setup_dbg_rootfs([opkg_dir]) diff --git a/meta/lib/oe/package_manager/rpm/rootfs.py b/meta/lib/oe/package_manager/rpm/rootfs.py index 673006c131..9986b13b5f 100644 --- a/meta/lib/oe/package_manager/rpm/rootfs.py +++ b/meta/lib/oe/package_manager/rpm/rootfs.py @@ -67,12 +67,15 @@ class PkgRootfs(Rootfs): pkgs_to_install = self.manifest.parse_initial_manifest() rpm_pre_process_cmds = self.d.getVar('RPM_PREPROCESS_COMMANDS') rpm_post_process_cmds = self.d.getVar('RPM_POSTPROCESS_COMMANDS') + package_paths = ['/etc/rpm', '/etc/rpmrc', '/etc/dnf', '/var/lib/rpm', '/var/cache/dnf', '/var/lib/dnf'] # update PM index files self.pm.write_index() execute_pre_post_process(self.d, rpm_pre_process_cmds) + self._unpack_pkg_db_rootfs(package_paths) + if self.progress_reporter: self.progress_reporter.next_stage() @@ -110,8 +113,8 @@ class PkgRootfs(Rootfs): if self.progress_reporter: self.progress_reporter.next_stage() - self._setup_pkg_db_rootfs(['/etc/rpm', '/etc/rpmrc', '/etc/dnf', '/var/lib/rpm', '/var/cache/dnf', '/var/lib/dnf']) - self._setup_dbg_rootfs(['/etc/rpm', '/etc/rpmrc', '/etc/dnf', '/var/lib/rpm', '/var/cache/dnf', '/var/lib/dnf']) + self._setup_pkg_db_rootfs(package_paths) + self._setup_dbg_rootfs(package_paths) execute_pre_post_process(self.d, rpm_post_process_cmds) diff --git a/meta/lib/oe/rootfs.py b/meta/lib/oe/rootfs.py index 6d6e888a30..9d691c58cd 100644 --- a/meta/lib/oe/rootfs.py +++ b/meta/lib/oe/rootfs.py @@ -106,6 +106,24 @@ class Rootfs(object, metaclass=ABCMeta): def _cleanup(self): pass + def _unpack_pkg_db_rootfs(self, package_paths): + import tarfile + pn = self.d.getVar('PN') + base_pkgdb = self.d.getVar('IMAGE_BASE_PKGDB') + if not base_pkgdb or pn == base_pkgdb: + return + + fname = self.d.getVar('DEPLOY_DIR_IMAGE') + '/' + self.d.getVar('IMAGE_BASE_PKGDB') + '-' + self.d.getVar('MACHINE') + '.rootfs-pkgdb.tar.gz' + if not os.path.exists(fname): + bb.fatal("PKGDB for '%s' does not exist,\n\texpected: %s\n\tthe recipe for '%s' should set: IMAGE_GEN_PKGDBFS='1'" % (base_pkgdb, fname, base_pkgdb)) + return + + bb.note(" unpacking base image package database...") + if fname.endswith("tar.gz"): + tar = tarfile.open(fname, "r:gz") + tar.extractall(path=self.image_rootfs) + tar.close() + def _setup_pkg_db_rootfs(self, package_paths): gen_pkg_db_fs = bb.utils.to_boolean(self.d.getVar('IMAGE_GEN_PKGDBFS')) if not gen_pkg_db_fs: diff --git a/meta/lib/oeqa/selftest/cases/imagefeatures.py b/meta/lib/oeqa/selftest/cases/imagefeatures.py index 4d4005e00c..aa5c7c7ccc 100644 --- a/meta/lib/oeqa/selftest/cases/imagefeatures.py +++ b/meta/lib/oeqa/selftest/cases/imagefeatures.py @@ -349,6 +349,52 @@ SKIP_RECIPE[busybox] = "Don't build this" # check for a common base package, a random library for example: self.assertTrue("libc6" in result.output, msg='Failed query installed packages') + def test_image_use_pkgdbfs(self): + """ + Summary: Check pkgdb snapshot + Expected: 1. core-image-minimal is built with IMAGE_GEN_PKGDBFS variable set + 2. core-image-minimal-mtdutils is built with: + IMAGE_BASE_PKGDB pointing to the former, to build upon it + 3. the rootfs of both images is checked, and there should be no file + from any of the installed packages that shows up in both images + """ + + base_image = 'core-image-minimal' + extension_image = 'core-image-minimal-mtdutils' + + features = 'IMAGE_FSTYPES = "tar.bz2"\n' + # enable usrmerge so that all relevant pieces are in one place = /usr + features += 'DISTRO_FEATURES += "usrmerge"\n' + features += 'IMAGE_GEN_PKGDBFS = "1"\n' + features += 'IMAGE_BASE_PKGDB = "%s"\n' % base_image + self.write_config(features) + + # through task dependencies the base_image should automagically be built + bitbake(extension_image) + + # collect image content of both images + img_vars = get_bb_vars(['DEPLOY_DIR_IMAGE', 'IMAGE_LINK_NAME'], base_image) + img_file = os.path.join(img_vars['DEPLOY_DIR_IMAGE'], "%s.%s" % (img_vars['IMAGE_LINK_NAME'], 'tar.bz2')) + self.logger.debug("base image: %s" % img_file) + img_content = runCmd('tar -tf %s' % img_file) + + ext_vars = get_bb_vars(['DEPLOY_DIR_IMAGE', 'IMAGE_LINK_NAME'], extension_image) + ext_file = os.path.join(ext_vars['DEPLOY_DIR_IMAGE'], "%s.%s" % (ext_vars['IMAGE_LINK_NAME'], 'tar.bz2')) + self.logger.debug("extension image: %s" % ext_file) + ext_content = runCmd('tar -tf %s' % ext_file) + + # filter out folders and anything outside of /usr + img_files = [ x for x in img_content.output.splitlines() if not x.endswith('/') and x.startswith('./usr/') ] + self.logger.debug("image files:\n%s" % img_files) + ext_files = [ x for x in ext_content.output.splitlines() if not x.endswith('/') and x.startswith('./usr/') ] + + # check mutual exclusive content listing + self.logger.debug("extension files:\n%s" % ext_files) + for i in img_files: + self.assertTrue(i not in ext_files, "found %s in extension" % i) + for e in ext_files: + self.assertTrue(e not in img_files, "found %s in base-image" % e) + def test_empty_image(self): """Test creation of image with no packages""" image = 'test-empty-image'