lib/oe/package_manager.py: support RpmPM

- Implementation RpmPM class
- Support rpm incremental image generation

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>

1 files changed, 651 insertions, 5 deletions

diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
index e802edd492..15e56b550d 100644
--- a/meta/lib/oe/package_manager.py
+++ b/meta/lib/oe/package_manager.py
@@ -1,8 +1,63 @@
 from abc import ABCMeta, abstractmethod
 import os
+import glob
 import subprocess
+import shutil
 import multiprocessing
 import re
+import bb
+
+DB_CONFIG_CONTENT = '''# ================ Environment
+set_data_dir .
+set_create_dir .
+set_lg_dir ./log
+set_tmp_dir ./tmp
+set_flags db_log_autoremove on
+
+# -- thread_count must be >= 8
+set_thread_count 64
+
+# ================ Logging
+
+# ================ Memory Pool
+set_cachesize 0 1048576 0
+set_mp_mmapsize 268435456
+
+# ================ Locking
+set_lk_max_locks 16384
+set_lk_max_lockers 16384
+set_lk_max_objects 16384
+mutex_set_max 163840
+
+# ================ Replication
+'''
+
+SCRIPTLET_FORMAT = '''#!/bin/bash
+
+export PATH=%s
+export D=%s
+export OFFLINE_ROOT="$D"
+export IPKG_OFFLINE_ROOT="$D"
+export OPKG_OFFLINE_ROOT="$D"
+export INTERCEPT_DIR=%s
+export NATIVE_ROOT=%s
+
+$2 $1/$3 $4
+if [ $? -ne 0 ]; then
+  if [ $4 -eq 1 ]; then
+    mkdir -p $1/etc/rpm-postinsts
+    num=100
+    while [ -e $1/etc/rpm-postinsts/${num}-* ]; do num=$((num + 1)); done
+    name=`head -1 $1/$3 | cut -d\' \' -f 2`
+    echo "#!$2" > $1/etc/rpm-postinsts/${num}-${name}
+    echo "# Arg: $4" >> $1/etc/rpm-postinsts/${num}-${name}
+    cat $1/$3 >> $1/etc/rpm-postinsts/${num}-${name}
+    chmod +x $1/etc/rpm-postinsts/${num}-${name}
+  else
+    echo "Error: pre/post remove scriptlet failed"
+  fi
+fi
+'''
 
 
 # this can be used by all PM backends to create the index files in parallel
@@ -127,13 +182,604 @@ class PackageManager(object):
 
         self.deploy_lock = None
 
+
 class RpmPM(PackageManager):
-    def __init__(self):
-        super(RpmPM, self).__init__()
+    def __init__(self,
+                 d,
+                 target_rootfs,
+                 package_archs,
+                 target_os,
+                 target_vendor,
+                 task_name='target',
+                 providename=None):
+        super(RpmPM, self).__init__(d)
+        self.target_rootfs = target_rootfs
+        self.ml_os_list = target_os
+        self.target_vendor = target_vendor
+        self.task_name = task_name
+        self.providename = providename
+        self.fullpkglist = list()
+        self.deploy_dir = self.d.getVar('DEPLOY_DIR_RPM', True)
+        self.etcrpm_dir = os.path.join(self.target_rootfs, "etc/rpm")
+        self.install_dir = os.path.join(self.target_rootfs, "install")
+        self.rpm_cmd = bb.utils.which(os.getenv('PATH'), "rpm")
+        self.smart_cmd = bb.utils.which(os.getenv('PATH'), "smart")
+        self.smart_opt = "--data-dir=" + os.path.join(target_rootfs,
+                                                      'var/lib/smart')
+        self.scriptlet_wrapper = self.d.expand('${WORKDIR}/scriptlet_wrapper')
+        self.solution_manifest = self.d.expand('${T}/saved/%s_solution' %
+                                               self.task_name)
+        self.saved_rpmlib = self.d.expand('${T}/saved/%s' % self.task_name)
+        self.image_rpmlib = os.path.join(self.target_rootfs, 'var/lib/rpm')
+
+        if not os.path.exists(self.d.expand('${T}/saved')):
+            bb.utils.mkdirhier(self.d.expand('${T}/saved'))
+
+        # arch order is reversed.  This ensures the -best- match is
+        # listed first!
+        self.ml_prefix_list = dict()
+        for mlib in package_archs:
+            if mlib == 'default':
+                self.ml_prefix_list[mlib] = package_archs[mlib]
+            else:
+                self.ml_prefix_list[mlib] = list()
+                for arch in package_archs[mlib]:
+                    if arch in ['all', 'noarch', 'any']:
+                        self.ml_prefix_list[mlib].append(arch)
+                    else:
+                        self.ml_prefix_list[mlib].append(mlib + "_" + arch)
+
+    '''
+    Create configs for rpm and smart, and multilib is supported
+    '''
+    def create_configs(self):
+        target_arch = self.d.getVar('TARGET_ARCH', True)
+        platform = '%s%s-%s' % (target_arch.replace('-', '_'),
+                                self.target_vendor,
+                                self.ml_os_list['default'])
+
+        # List must be prefered to least preferred order
+        default_platform_extra = list()
+        platform_extra = list()
+        bbextendvariant = self.d.getVar('BBEXTENDVARIANT', True) or ""
+        for mlib in self.ml_os_list:
+            for arch in self.ml_prefix_list[mlib]:
+                plt = arch.replace('-', '_') + '-.*-' + self.ml_os_list[mlib]
+                if mlib == bbextendvariant:
+                    if plt not in default_platform_extra:
+                        default_platform_extra.append(plt)
+                else:
+                    if plt not in platform_extra:
+                        platform_extra.append(plt)
+        platform_extra = default_platform_extra + platform_extra
 
-    """
-    TBD
-    """
+        self._create_configs(platform, platform_extra)
+
+    def _invoke_smart(self, args):
+        cmd = "%s %s %s" % (self.smart_cmd, self.smart_opt, args)
+        # bb.note(cmd)
+        try:
+            complementary_pkgs = subprocess.check_output(cmd, shell=True)
+            # bb.note(complementary_pkgs)
+            return complementary_pkgs
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Could not invoke smart. Command "
+                     "%s returned %d!" % (cmd, e.returncode))
+
+    '''
+    Translate the RPM/Smart format names to the OE multilib format names
+    '''
+    def _pkg_translate_smart_to_oe(self, pkg, arch):
+        new_pkg = pkg
+        fixed_arch = arch.replace('_', '-')
+        found = 0
+        for mlib in self.ml_prefix_list:
+            for cmp_arch in self.ml_prefix_list[mlib]:
+                fixed_cmp_arch = cmp_arch.replace('_', '-')
+                if fixed_arch == fixed_cmp_arch:
+                    if mlib == 'default':
+                        new_pkg = pkg
+                        new_arch = cmp_arch
+                    else:
+                        new_pkg = mlib + '-' + pkg
+                        # We need to strip off the ${mlib}_ prefix on the arch
+                        new_arch = cmp_arch.replace(mlib + '_', '')
+
+                    # Workaround for bug 3565. Simply look to see if we
+                    # know of a package with that name, if not try again!
+                    filename = os.path.join(self.d.getVar('PKGDATA_DIR', True),
+                                            'runtime-reverse',
+                                            new_pkg)
+                    if os.path.exists(filename):
+                        found = 1
+                        break
+
+            if found == 1 and fixed_arch == fixed_cmp_arch:
+                break
+        #bb.note('%s, %s -> %s, %s' % (pkg, arch, new_pkg, new_arch))
+        return new_pkg, new_arch
+
+    def _search_pkg_name_in_feeds(self, pkg, feed_archs):
+        for arch in feed_archs:
+            arch = arch.replace('-', '_')
+            for p in self.fullpkglist:
+                if pkg in p and '@' + arch in p:
+                    # First found is best match
+                    # bb.note('%s -> %s' % (pkg, pkg + '@' + arch))
+                    return pkg + '@' + arch
+
+        return ""
+
+    '''
+    Translate the OE multilib format names to the RPM/Smart format names
+    It searched the RPM/Smart format names in probable multilib feeds first,
+    and then searched the default base feed.
+    '''
+    def _pkg_translate_oe_to_smart(self, pkgs, attempt_only=False):
+        new_pkgs = list()
+
+        for pkg in pkgs:
+            new_pkg = pkg
+            # Search new_pkg in probable multilibs first
+            for mlib in self.ml_prefix_list:
+                # Jump the default archs
+                if mlib == 'default':
+                    continue
+
+                subst = pkg.replace(mlib + '-', '')
+                # if the pkg in this multilib feed
+                if subst != pkg:
+                    feed_archs = self.ml_prefix_list[mlib]
+                    new_pkg = self._search_pkg_name_in_feeds(subst, feed_archs)
+                    if not new_pkg:
+                        # Failed to translate, package not found!
+                        err_msg = '%s not found in the %s feeds (%s).\n' % \
+                                  (pkg, mlib, " ".join(feed_archs))
+                        if not attempt_only:
+                            err_msg += " ".join(self.fullpkglist)
+                            bb.fatal(err_msg)
+                        bb.warn(err_msg)
+                    else:
+                        new_pkgs.append(new_pkg)
+
+                    break
+
+            # Apparently not a multilib package...
+            if pkg == new_pkg:
+                # Search new_pkg in default archs
+                default_archs = self.ml_prefix_list['default']
+                new_pkg = self._search_pkg_name_in_feeds(pkg, default_archs)
+                if not new_pkg:
+                    err_msg = '%s not found in the base feeds (%s).\n' % \
+                              (pkg, ' '.join(default_archs))
+                    if not attempt_only:
+                        err_msg += " ".join(self.fullpkglist)
+                        bb.fatal(err_msg)
+                    bb.warn(err_msg)
+                else:
+                    new_pkgs.append(new_pkg)
+
+        return new_pkgs
+
+    def _create_configs(self, platform, platform_extra):
+        # Setup base system configuration
+        bb.note("configuring RPM platform settings")
+
+        # Configure internal RPM environment when using Smart
+        os.environ['RPM_ETCRPM'] = self.etcrpm_dir
+        bb.utils.mkdirhier(self.etcrpm_dir)
+
+        # Setup temporary directory -- install...
+        if os.path.exists(self.install_dir):
+            bb.utils.remove(self.install_dir, True)
+        bb.utils.mkdirhier(os.path.join(self.install_dir, 'tmp'))
+
+        channel_priority = 5
+        platform_dir = os.path.join(self.etcrpm_dir, "platform")
+        with open(platform_dir, "w+") as platform_fd:
+            platform_fd.write(platform + '\n')
+            for pt in platform_extra:
+                channel_priority += 5
+                platform_fd.write(pt + '.*\n')
+
+        # Tell RPM that the "/" directory exist and is available
+        bb.note("configuring RPM system provides")
+        sysinfo_dir = os.path.join(self.etcrpm_dir, "sysinfo")
+        bb.utils.mkdirhier(sysinfo_dir)
+        with open(os.path.join(sysinfo_dir, "Dirnames"), "w+") as dirnames:
+            dirnames.write("/\n")
+
+        if self.providename:
+            providename_dir = os.path.join(sysinfo_dir, "Providename")
+            if not os.path.exists(providename_dir):
+                providename_content = '\n'.join(self.providename)
+                providename_content += '\n'
+                open(providename_dir, "w+").write(providename_content)
+
+        # Configure RPM... we enforce these settings!
+        bb.note("configuring RPM DB settings")
+        # After change the __db.* cache size, log file will not be
+        # generated automatically, that will raise some warnings,
+        # so touch a bare log for rpm write into it.
+        rpmlib_log = os.path.join(self.image_rpmlib, 'log', 'log.0000000001')
+        if not os.path.exists(rpmlib_log):
+            bb.utils.mkdirhier(os.path.join(self.image_rpmlib, 'log'))
+            open(rpmlib_log, 'w+').close()
+        db_config_dir = os.path.join(self.image_rpmlib, 'DB_CONFIG')
+        if not os.path.exists(db_config_dir):
+            open(db_config_dir, 'w+').write(DB_CONFIG_CONTENT)
+
+        # Create database so that smart doesn't complain (lazy init)
+        cmd = "%s --root %s --dbpath /var/lib/rpm -qa > /dev/null" % (
+              self.rpm_cmd,
+              self.target_rootfs)
+        try:
+            subprocess.check_output(cmd, shell=True)
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Create rpm database failed. Command %s "
+                     "returned %d" % (cmd, e.returncode))
+
+        # Configure smart
+        bb.note("configuring Smart settings")
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+        self._invoke_smart('config --set rpm-root=%s' % self.target_rootfs)
+        self._invoke_smart('config --set rpm-dbpath=/var/lib/rpm')
+        self._invoke_smart('config --set rpm-extra-macros._var=%s' %
+                           self.d.getVar('localstatedir', True))
+        cmd = 'config --set rpm-extra-macros._tmppath=/install/tmp'
+        self._invoke_smart(cmd)
+
+        # Write common configuration for host and target usage
+        self._invoke_smart('config --set rpm-nolinktos=1')
+        self._invoke_smart('config --set rpm-noparentdirs=1')
+        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
+            self._invoke_smart('flag --set ignore-recommends %s' % i)
+
+        # Do the following configurations here, to avoid them being
+        # saved for field upgrade
+        if self.d.getVar('NO_RECOMMENDATIONS', True).strip() == "1":
+            self._invoke_smart('config --set ignore-all-recommends=1')
+        pkg_exclude = self.d.getVar('PACKAGE_EXCLUDE', True) or ""
+        for i in pkg_exclude.split():
+            self._invoke_smart('flag --set exclude-packages %s' % i)
+
+        # Optional debugging
+        # self._invoke_smart('config --set rpm-log-level=debug')
+        # cmd = 'config --set rpm-log-file=/tmp/smart-debug-logfile'
+        # self._invoke_smart(cmd)
+
+        for canonical_arch in platform_extra:
+            arch = canonical_arch.split('-')[0]
+            arch_channel = os.path.join(self.deploy_dir, arch)
+            if os.path.exists(arch_channel):
+                bb.note('Note: adding Smart channel %s (%s)' %
+                        (arch, channel_priority))
+                self._invoke_smart('channel --add %s type=rpm-md baseurl=%s -y'
+                                   % (arch, arch_channel))
+                self._invoke_smart('channel --set %s priority=%d' %
+                                   (arch, channel_priority))
+                channel_priority -= 5
+
+        bb.note('adding Smart RPM DB channel')
+        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')
+
+        # Construct install scriptlet wrapper.
+        # Scripts need to be ordered when executed, this ensures numeric order.
+        # If we ever run into needing more the 899 scripts, we'll have to.
+        # change num to start with 1000.
+        #
+        intercept_dir = self.d.expand('${WORKDIR}/intercept_scripts')
+        native_root = self.d.getVar('STAGING_DIR_NATIVE', True)
+        scriptlet_content = SCRIPTLET_FORMAT % (os.environ['PATH'],
+                                                self.target_rootfs,
+                                                intercept_dir,
+                                                native_root)
+        open(self.scriptlet_wrapper, 'w+').write(scriptlet_content)
+
+        bb.note("Note: configuring RPM cross-install scriptlet_wrapper")
+        os.chmod(self.scriptlet_wrapper, 0755)
+        cmd = 'config --set rpm-extra-macros._cross_scriptlet_wrapper=%s' % \
+              self.scriptlet_wrapper
+        self._invoke_smart(cmd)
+
+        # Debug to show smart config info
+        # bb.note(self._invoke_smart('config --show'))
+
+    def update(self):
+        self._invoke_smart('update rpmsys')
+
+    '''
+    Install pkgs with smart, the pkg name is oe format
+    '''
+    def install(self, pkgs, attempt_only=False):
+
+        bb.note("Installing the following packages: %s" % ' '.join(pkgs))
+        if len(pkgs) == 0:
+            return
+        pkgs = self._pkg_translate_oe_to_smart(pkgs, attempt_only)
+
+        if not attempt_only:
+            bb.note('to be installed: %s' % ' '.join(pkgs))
+            cmd = "%s %s install -y %s" % \
+                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
+            bb.note(cmd)
+        else:
+            bb.note('installing attempt only packages...')
+            bb.note('Attempting %s' % ' '.join(pkgs))
+            cmd = "%s %s install --attempt -y %s" % \
+                  (self.smart_cmd, self.smart_opt, ' '.join(pkgs))
+        try:
+            output = subprocess.check_output(cmd.split())
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            if not attempt_only:
+                bb.note("Unable to install packages. Command %s "
+                        "returned %d" % (cmd, e.returncode))
+
+    '''
+    Remove pkgs with smart, the pkg name is smart/rpm format
+    '''
+    def remove(self, pkgs, with_dependencies=True):
+        bb.note('to be removed: ' + ' '.join(pkgs))
+
+        if not with_dependencies:
+            cmd = "%s -e --nodeps " % self.rpm_cmd
+            cmd += "--root=%s " % self.target_rootfs
+            cmd += "--dbpath=/var/lib/rpm "
+            cmd += "--define='_cross_scriptlet_wrapper %s' " % \
+                   self.scriptlet_wrapper
+            cmd += "--define='_tmppath /install/tmp' %s" % ' '.join(pkgs)
+        else:
+            # for pkg in pkgs:
+            #   bb.note('Debug: What required: %s' % pkg)
+            #   bb.note(self._invoke_smart('query %s --show-requiredby' % pkg))
+
+            cmd = "%s %s remove -y %s" % (self.smart_cmd,
+                                          self.smart_opt,
+                                          ' '.join(pkgs))
+
+        try:
+            bb.note(cmd)
+            output = subprocess.check_output(cmd, shell=True)
+            bb.note(output)
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to remove packages. Command %s "
+                    "returned %d" % (cmd, e.returncode))
+
+    def upgrade(self):
+        bb.note('smart upgrade')
+        self._invoke_smart('upgrade')
+
+    def write_index(self):
+        arch_list = list()
+        for mlib in self.ml_prefix_list:
+            for arch in self.ml_prefix_list[mlib]:
+                if arch not in arch_list:
+                    arch_list.append(arch)
+
+        sdk_pkg_archs = self.d.getVar('SDK_PACKAGE_ARCHS', True)
+        if sdk_pkg_archs is not None:
+            arch_list += [i.replace('-', '_') for i in sdk_pkg_archs.split()
+                          if i.replace('-', '_') not in arch_list]
+
+        rpm_createrepo = bb.utils.which(os.getenv('PATH'), "createrepo")
+        index_cmds = []
+        rpm_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
+
+            index_cmds.append("%s --update -q %s" % (rpm_createrepo, arch_dir))
+
+            rpm_dirs_found = True
+
+        if not rpm_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)
+
+    def remove_packaging_data(self):
+        bb.utils.remove(self.image_rpmlib, True)
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/opkg'), True)
+
+        # remove temp directory
+        bb.utils.remove(self.d.expand('${IMAGE_ROOTFS}/install'), True)
+
+    def backup_packaging_data(self):
+        # Save the rpmlib for increment rpm image generation
+        if os.path.exists(self.saved_rpmlib):
+            bb.utils.remove(self.saved_rpmlib, True)
+        shutil.copytree(self.image_rpmlib,
+                        self.saved_rpmlib,
+                        symlinks=True)
+
+    def recovery_packaging_data(self):
+        # Move the rpmlib back
+        if os.path.exists(self.saved_rpmlib):
+            if os.path.exists(self.image_rpmlib):
+                bb.utils.remove(self.image_rpmlib, True)
+
+            bb.note('Recovery packaging data')
+            shutil.copytree(self.saved_rpmlib,
+                            self.image_rpmlib,
+                            symlinks=True)
+
+    def list_installed(self, format=None):
+        cmd = self.rpm_cmd + ' --root ' + self.target_rootfs
+        cmd += ' -D "_dbpath /var/lib/rpm" -qa'
+        cmd += " --qf '[%{NAME} %{ARCH} %{VERSION} %{PACKAGEORIGIN}\n]'"
+
+        try:
+            # bb.note(cmd)
+            tmp_output = subprocess.check_output(cmd, shell=True).strip()
+            self._unlock_rpm_db()
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Cannot get the installed packages list. Command %s "
+                     "returned %d" % (cmd, e.returncode))
+
+        output = list()
+        for line in tmp_output.split('\n'):
+            if len(line.strip()) == 0:
+                continue
+            pkg = line.split()[0]
+            arch = line.split()[1]
+            ver = line.split()[2]
+            pkgorigin = line.split()[3]
+            new_pkg, new_arch = self._pkg_translate_smart_to_oe(pkg, arch)
+
+            if format == "arch":
+                output.append('%s %s' % (new_pkg, new_arch))
+            elif format == "file":
+                output.append('%s %s %s' % (new_pkg, pkgorigin, new_arch))
+            elif format == "ver":
+                output.append('%s %s %s' % (new_pkg, new_arch, ver))
+            else:
+                output.append('%s' % (new_pkg))
+
+            output.sort()
+
+        return '\n'.join(output)
+
+    '''
+    If incremental install, we need to determine what we've got,
+    what we need to add, and what to remove...
+    The dump_install_solution will dump and save the new install
+    solution.
+    '''
+    def dump_install_solution(self, pkgs):
+        bb.note('creating new install solution for incremental install')
+        if len(pkgs) == 0:
+            return
+
+        pkgs = self._pkg_translate_oe_to_smart(pkgs, False)
+        install_pkgs = list()
+
+        cmd = "%s %s install -y --dump %s 2>%s" %  \
+              (self.smart_cmd,
+               self.smart_opt,
+               ' '.join(pkgs),
+               self.solution_manifest)
+        try:
+            # Disable rpmsys channel for the fake install
+            self._invoke_smart('channel --disable rpmsys')
+
+            subprocess.check_output(cmd, shell=True)
+            with open(self.solution_manifest, 'r') as manifest:
+                for pkg in manifest.read().split('\n'):
+                    if '@' in pkg:
+                        install_pkgs.append(pkg)
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to dump install packages. Command %s "
+                    "returned %d" % (cmd, e.returncode))
+        # Recovery rpmsys channel
+        self._invoke_smart('channel --enable rpmsys')
+        return install_pkgs
+
+    '''
+    If incremental install, we need to determine what we've got,
+    what we need to add, and what to remove...
+    The load_old_install_solution will load the previous install
+    solution
+    '''
+    def load_old_install_solution(self):
+        bb.note('load old install solution for incremental install')
+        installed_pkgs = list()
+        if not os.path.exists(self.solution_manifest):
+            bb.note('old install solution not exist')
+            return installed_pkgs
+
+        with open(self.solution_manifest, 'r') as manifest:
+            for pkg in manifest.read().split('\n'):
+                if '@' in pkg:
+                    installed_pkgs.append(pkg.strip())
+
+        return installed_pkgs
+
+    '''
+    Dump all available packages in feeds, it should be invoked after the
+    newest rpm index was created
+    '''
+    def dump_all_available_pkgs(self):
+        available_manifest = self.d.expand('${T}/saved/available_pkgs.txt')
+        available_pkgs = list()
+        cmd = "%s %s query --output %s" %  \
+              (self.smart_cmd, self.smart_opt, available_manifest)
+        try:
+            subprocess.check_output(cmd, shell=True)
+            with open(available_manifest, 'r') as manifest:
+                for pkg in manifest.read().split('\n'):
+                    if '@' in pkg:
+                        available_pkgs.append(pkg.strip())
+        except subprocess.CalledProcessError as e:
+            bb.note("Unable to list all available packages. Command %s "
+                    "returned %d" % (cmd, e.returncode))
+
+        self.fullpkglist = available_pkgs
+
+        return
+
+    def save_rpmpostinist(self, pkg):
+        mlibs = self.d.getVar('MULTILIB_GLOBAL_VARIANTS').split()
+        new_pkg = pkg
+        # Remove any multilib prefix from the package name
+        for mlib in mlibs:
+            if mlib in pkg:
+                new_pkg = pkg.replace(mlib + '-', '')
+                break
+
+        bb.note('  * postponing %s' % new_pkg)
+        saved_dir = self.image_rootfs + self.d.expand('${sysconfdir}/rpm-postinsts/') + new_pkg
+        cmd = self.rpm_cmd + ' -q --scripts --root ' + self.target_rootfs
+        cmd += ' --dbpath=/var/lib/rpm ' + new_pkg
+        cmd += ' | sed -n -e "/^postinstall scriptlet (using .*):$/,/^.* scriptlet (using .*):$/ {/.*/p}"'
+        cmd += ' | sed -e "s/postinstall scriptlet (using \(.*\)):$/#!\1/"'
+        cmd += ' -e "/^.* scriptlet (using .*):$/d" > %s' % saved_dir
+
+        try:
+            bb.note(cmd)
+            output = subprocess.check_output(cmd, shell=True).strip()
+            bb.note(output)
+            os.chmod(saved_dir, 0755)
+            self._unlock_rpm_db()
+        except subprocess.CalledProcessError as e:
+            bb.fatal("Invoke save_rpmpostinist failed. Command %s "
+                     "returned %d" % (cmd, e.returncode))
+
+    '''Write common configuration for target usage'''
+    def rpm_setup_smart_target_config(self):
+        bb.utils.remove(os.path.join(self.target_rootfs, 'var/lib/smart'),
+                        True)
+
+        self._invoke_smart('config --set rpm-nolinktos=1')
+        self._invoke_smart('config --set rpm-noparentdirs=1')
+        for i in self.d.getVar('BAD_RECOMMENDATIONS', True).split():
+            self._invoke_smart('flag --set ignore-recommends %s' % i)
+        self._invoke_smart('channel --add rpmsys type=rpm-sys -y')
+
+        self._unlock_rpm_db()
+
+    '''
+    The rpm db lock files were produced after invoking rpm to query on
+    build system, and they caused the rpm on target didn't work, so we
+    need to unlock the rpm db by removing the lock files.
+    '''
+    def _unlock_rpm_db(self):
+        # Remove rpm db lock files
+        rpm_db_locks = glob.glob('%s/var/lib/rpm/__db.*' % self.target_rootfs)
+        for f in rpm_db_locks:
+            bb.utils.remove(f, True)
 
 
 class OpkgPM(PackageManager):