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 oe.path import filecmp 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) self.install_order = Manifest.INSTALL_ORDER @abstractmethod def _create(self): pass @abstractmethod def _get_delayed_postinsts(self): pass @abstractmethod def _save_postinsts(self): pass @abstractmethod def _log_check(self): pass def _insert_feed_uris(self): if base_contains("IMAGE_FEATURES", "package-management", True, False, self.d): self.pm.insert_feeds_uris() @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, stderr=subprocess.STDOUT) except subprocess.CalledProcessError as e: return("Command '%s' returned %d:\n%s" % (e.cmd, e.returncode, e.output)) 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: installed_pkgs_dir = self.d.expand('${WORKDIR}/installed_pkgs.txt') pkgs_to_remove = list() with open(installed_pkgs_dir, "r+") as installed_pkgs: pkgs_installed = installed_pkgs.read().split('\n') for pkg_installed in pkgs_installed[:]: pkg = pkg_installed.split()[0] if pkg in ["update-rc.d", "base-passwd", self.d.getVar("ROOTFS_BOOTSTRAP_INSTALL", True) ]: pkgs_to_remove.append(pkg) pkgs_installed.remove(pkg_installed) if len(pkgs_to_remove) > 0: self.pm.remove(pkgs_to_remove, False) # Update installed_pkgs.txt open(installed_pkgs_dir, "w+").write('\n'.join(pkgs_installed)) if os.path.exists(self.d.expand("${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:") os.environ['D'] = self.image_rootfs 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.warn("The postinstall intercept hook '%s' failed (exit code: %d)! See log for details!" % (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.warn("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): 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().strip(' \n') 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, d, manifest_dir): super(RpmRootfs, self).__init__(d) self.manifest = RpmManifest(d, manifest_dir) self.pm = RpmPM(d, d.getVar('IMAGE_ROOTFS', True), self.d.getVar('TARGET_VENDOR', True) ) self.inc_rpm_image_gen = self.d.getVar('INC_RPM_IMAGE_GEN', True) if self.inc_rpm_image_gen != "1": bb.utils.remove(self.image_rootfs, True) else: self.pm.recovery_packaging_data() bb.utils.remove(self.d.getVar('MULTILIB_TEMP_ROOTFS', True), True) self.pm.create_configs() ''' While rpm incremental image generation is enabled, it will remove the unneeded pkgs by comparing the new install solution manifest and the old installed manifest. ''' def _create_incremental(self, pkgs_initial_install): if self.inc_rpm_image_gen == "1": pkgs_to_install = list() for pkg_type in pkgs_initial_install: pkgs_to_install += pkgs_initial_install[pkg_type] installed_manifest = self.pm.load_old_install_solution() solution_manifest = self.pm.dump_install_solution(pkgs_to_install) pkg_to_remove = list() for pkg in installed_manifest: if pkg not in solution_manifest: pkg_to_remove.append(pkg) self.pm.update() bb.note('incremental update -- upgrade packages in place ') self.pm.upgrade() if pkg_to_remove != []: bb.note('incremental removed: %s' % ' '.join(pkg_to_remove)) self.pm.remove(pkg_to_remove) def _create(self): pkgs_to_install = self.manifest.parse_initial_manifest() # update PM index files self.pm.write_index() self.pm.dump_all_available_pkgs() if self.inc_rpm_image_gen == "1": self._create_incremental(pkgs_to_install) self.pm.update() pkgs = [] pkgs_attempt = [] for pkg_type in pkgs_to_install: if pkg_type == Manifest.PKG_TYPE_ATTEMPT_ONLY: pkgs_attempt += pkgs_to_install[pkg_type] else: pkgs += pkgs_to_install[pkg_type] self.pm.install(pkgs) self.pm.install(pkgs_attempt, True) self.pm.install_complementary() self._log_check() if self.inc_rpm_image_gen == "1": self.pm.backup_packaging_data() self.pm.rpm_setup_smart_target_config() def _get_delayed_postinsts(self): postinst_dir = self.d.expand("${IMAGE_ROOTFS}${sysconfdir}/rpm-postinsts") if os.path.isdir(postinst_dir): files = os.listdir(postinst_dir) for f in files: bb.note('Delayed package scriptlet: %s' % f) return files return None def _save_postinsts(self): # this is just a stub. For RPM, the failed postinstalls are # already saved in /etc/rpm-postinsts pass def _log_check(self): r = re.compile('(unpacking of archive failed|Cannot find package|exit 1|ERR|Fail)') log_path = self.d.expand("${T}/log.do_rootfs") with open(log_path, 'r') as log: found_error = 0 message = "\n" for line in log.read().split('\n'): if 'log_check' in line: continue m = r.search(line) if m: found_error = 1 bb.warn('log_check: There were error messages in the logfile') bb.warn('log_check: Matched keyword: [%s]\n\n' % m.group()) if found_error >= 1 and found_error <= 5: message += line + '\n' found_error += 1 if found_error == 6: bb.fatal(message) def _handle_intercept_failure(self, registered_pkgs): rpm_postinsts_dir = self.image_rootfs + self.d.expand('${sysconfdir}/rpm-postinsts/') bb.utils.mkdirhier(rpm_postinsts_dir) # Save the package postinstalls in /etc/rpm-postinsts for pkg in registered_pkgs.split(): self.pm.save_rpmpostinst(pkg) class DpkgRootfs(Rootfs): def __init__(self, d, manifest_dir): super(DpkgRootfs, self).__init__(d) bb.utils.remove(self.image_rootfs, True) bb.utils.remove(self.d.getVar('MULTILIB_TEMP_ROOTFS', True), True) self.manifest = DpkgManifest(d, manifest_dir) self.pm = DpkgPM(d, d.getVar('IMAGE_ROOTFS', True), d.getVar('PACKAGE_ARCHS', True), d.getVar('DPKG_ARCH', True)) def _create(self): pkgs_to_install = self.manifest.parse_initial_manifest() alt_dir = self.d.expand("${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("${IMAGE_ROOTFS}/var/lib/dpkg/info") bb.utils.mkdirhier(dst_postinst_dir) if os.path.exists(os.path.join(src_postinst_dir, p + ".postinst")): shutil.copy(os.path.join(src_postinst_dir, p + ".postinst"), os.path.join(dst_postinst_dir, "%03d-%s" % (num, p))) num += 1 def _handle_intercept_failure(self, registered_pkgs): self.pm.mark_packages("unpacked", registered_pkgs.split()) def _log_check(self): pass class OpkgRootfs(Rootfs): def __init__(self, d, manifest_dir): super(OpkgRootfs, self).__init__(d) self.manifest = OpkgManifest(d, manifest_dir) self.opkg_conf = self.d.getVar("IPKGCONF_TARGET", True) self.pkg_archs = self.d.getVar("ALL_MULTILIB_PACKAGE_ARCHS", True) self.inc_opkg_image_gen = self.d.getVar('INC_IPK_IMAGE_GEN', True) or "" if self._remove_old_rootfs(): bb.utils.remove(self.image_rootfs, True) self.pm = OpkgPM(d, self.image_rootfs, self.opkg_conf, self.pkg_archs) else: self.pm = OpkgPM(d, self.image_rootfs, self.opkg_conf, self.pkg_archs) self.pm.recover_packaging_data() bb.utils.remove(self.d.getVar('MULTILIB_TEMP_ROOTFS', True), True) def _prelink_file(self, root_dir, filename): bb.note('prelink %s in %s' % (filename, root_dir)) prelink_cfg = oe.path.join(root_dir, self.d.expand('${sysconfdir}/prelink.conf')) if not os.path.exists(prelink_cfg): shutil.copy(self.d.expand('${STAGING_DIR_NATIVE}${sysconfdir_native}/prelink.conf'), prelink_cfg) cmd_prelink = self.d.expand('${STAGING_DIR_NATIVE}${sbindir_native}/prelink') self._exec_shell_cmd([cmd_prelink, '--root', root_dir, '-amR', '-N', '-c', self.d.expand('${sysconfdir}/prelink.conf')]) ''' Compare two files with the same key twice to see if they are equal. If they are not equal, it means they are duplicated and come from different packages. 1st: Comapre them directly; 2nd: While incremental image creation is enabled, one of the files could be probaly prelinked in the previous image creation and the file has been changed, so we need to prelink the other one and compare them. ''' def _file_equal(self, key, f1, f2): # Both of them are not prelinked if filecmp.cmp(f1, f2): return True if self.image_rootfs not in f1: self._prelink_file(f1.replace(key, ''), f1) if self.image_rootfs not in f2: self._prelink_file(f2.replace(key, ''), f2) # Both of them are prelinked if filecmp.cmp(f1, f2): return True # Not equal return False """ This function was reused from the old implementation. See commit: "image.bbclass: Added variables for multilib support." by Lianhao Lu. """ def _multilib_sanity_test(self, dirs): allow_replace = self.d.getVar("MULTILIBRE_ALLOW_REP", True) if allow_replace is None: allow_replace = "" allow_rep = re.compile(re.sub("\|$", "", 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 os.path.exists(files[key]) and \ os.path.exists(item) and \ not self._file_equal(key, 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) ''' While ipk incremental image generation is enabled, it will remove the unneeded pkgs by comparing the old full manifest in previous existing image and the new full manifest in the current image. ''' def _remove_extra_packages(self, pkgs_initial_install): if self.inc_opkg_image_gen == "1": # Parse full manifest in previous existing image creation session old_full_manifest = self.manifest.parse_full_manifest() # Create full manifest for the current image session, the old one # will be replaced by the new one. self.manifest.create_full(self.pm) # Parse full manifest in current image creation session new_full_manifest = self.manifest.parse_full_manifest() pkg_to_remove = list() for pkg in old_full_manifest: if pkg not in new_full_manifest: pkg_to_remove.append(pkg) if pkg_to_remove != []: bb.note('decremental removed: %s' % ' '.join(pkg_to_remove)) self.pm.remove(pkg_to_remove) ''' Compare with previous existing image creation, if some conditions triggered, the previous old image should be removed. The conditions include any of 'PACKAGE_EXCLUDE, NO_RECOMMENDATIONS and BAD_RECOMMENDATIONS' has been changed. ''' def _remove_old_rootfs(self): if self.inc_opkg_image_gen != "1": return True vars_list_file = self.d.expand('${T}/vars_list') old_vars_list = "" if os.path.exists(vars_list_file): old_vars_list = open(vars_list_file, 'r+').read() new_vars_list = '%s:%s:%s\n' % \ ((self.d.getVar('BAD_RECOMMENDATIONS', True) or '').strip(), (self.d.getVar('NO_RECOMMENDATIONS', True) or '').strip(), (self.d.getVar('PACKAGE_EXCLUDE', True) or '').strip()) open(vars_list_file, 'w+').write(new_vars_list) if old_vars_list != new_vars_list: return True return False 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, unless users provide their own feeds if (self.d.getVar('BUILD_IMAGES_FROM_FEEDS', True) or "") != "1": self.pm.write_index() execute_pre_post_process(self.d, opkg_pre_process_cmds) self.pm.update() self.pm.handle_bad_recommendations() if self.inc_opkg_image_gen == "1": self._remove_extra_packages(pkgs_to_install) 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) if self.inc_opkg_image_gen == "1": self.pm.backup_packaging_data() def _get_delayed_postinsts(self): pkg_list = [] status_file = os.path.join(self.image_rootfs, self.d.getVar('OPKGLIBDIR', True).strip('/'), "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 create_rootfs(d, manifest_dir=None): env_bkp = os.environ.copy() img_type = d.getVar('IMAGE_PKGTYPE', True) if img_type == "rpm": RpmRootfs(d, manifest_dir).create() 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) def image_list_installed_packages(d, format=None, rootfs_dir=None): if not rootfs_dir: rootfs_dir = d.getVar('IMAGE_ROOTFS', True) img_type = d.getVar('IMAGE_PKGTYPE', True) if img_type == "rpm": return RpmPkgsList(d, rootfs_dir).list(format) elif img_type == "ipk": return OpkgPkgsList(d, rootfs_dir, d.getVar("IPKGCONF_TARGET", True)).list(format) elif img_type == "deb": return DpkgPkgsList(d, rootfs_dir).list(format) if __name__ == "__main__": """ We should be able to run this as a standalone script, from outside bitbake environment. """ """ TBD """