mLinux 6

1 files changed, 366 insertions, 0 deletions

diff --git a/scripts/lib/devtool/sdk.py b/scripts/lib/devtool/sdk.py
new file mode 100644
index 0000000..46fd12b
--- /dev/null
+++ b/scripts/lib/devtool/sdk.py
@@ -0,0 +1,366 @@
+# Development tool - sdk-update command plugin
+#
+# Copyright (C) 2015-2016 Intel Corporation
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os
+import subprocess
+import logging
+import glob
+import shutil
+import errno
+import sys
+import tempfile
+import re
+from devtool import exec_build_env_command, setup_tinfoil, parse_recipe, DevtoolError
+
+logger = logging.getLogger('devtool')
+
+def parse_locked_sigs(sigfile_path):
+    """Return <pn:task>:<hash> dictionary"""
+    sig_dict = {}
+    with open(sigfile_path) as f:
+        lines = f.readlines()
+        for line in lines:
+            if ':' in line:
+                taskkey, _, hashval = line.rpartition(':')
+                sig_dict[taskkey.strip()] = hashval.split()[0]
+    return sig_dict
+
+def generate_update_dict(sigfile_new, sigfile_old):
+    """Return a dict containing <pn:task>:<hash> which indicates what need to be updated"""
+    update_dict = {}
+    sigdict_new = parse_locked_sigs(sigfile_new)
+    sigdict_old = parse_locked_sigs(sigfile_old)
+    for k in sigdict_new:
+        if k not in sigdict_old:
+            update_dict[k] = sigdict_new[k]
+            continue
+        if sigdict_new[k] != sigdict_old[k]:
+            update_dict[k] = sigdict_new[k]
+            continue
+    return update_dict
+
+def get_sstate_objects(update_dict, sstate_dir):
+    """Return a list containing sstate objects which are to be installed"""
+    sstate_objects = []
+    for k in update_dict:
+        files = set()
+        hashval = update_dict[k]
+        p = sstate_dir + '/' + hashval[:2] + '/*' + hashval + '*.tgz'
+        files |= set(glob.glob(p))
+        p = sstate_dir + '/*/' + hashval[:2] + '/*' + hashval + '*.tgz'
+        files |= set(glob.glob(p))
+        files = list(files)
+        if len(files) == 1:
+            sstate_objects.extend(files)
+        elif len(files) > 1:
+            logger.error("More than one matching sstate object found for %s" % hashval)
+
+    return sstate_objects
+
+def mkdir(d):
+    try:
+        os.makedirs(d)
+    except OSError as e:
+        if e.errno != errno.EEXIST:
+            raise e
+
+def install_sstate_objects(sstate_objects, src_sdk, dest_sdk):
+    """Install sstate objects into destination SDK"""
+    sstate_dir = os.path.join(dest_sdk, 'sstate-cache')
+    if not os.path.exists(sstate_dir):
+        logger.error("Missing sstate-cache directory in %s, it might not be an extensible SDK." % dest_sdk)
+        raise
+    for sb in sstate_objects:
+        dst = sb.replace(src_sdk, dest_sdk)
+        destdir = os.path.dirname(dst)
+        mkdir(destdir)
+        logger.debug("Copying %s to %s" % (sb, dst))
+        shutil.copy(sb, dst)
+
+def check_manifest(fn, basepath):
+    import bb.utils
+    changedfiles = []
+    with open(fn, 'r') as f:
+        for line in f:
+            splitline = line.split()
+            if len(splitline) > 1:
+                chksum = splitline[0]
+                fpath = splitline[1]
+                curr_chksum = bb.utils.sha256_file(os.path.join(basepath, fpath))
+                if chksum != curr_chksum:
+                    logger.debug('File %s changed: old csum = %s, new = %s' % (os.path.join(basepath, fpath), curr_chksum, chksum))
+                    changedfiles.append(fpath)
+    return changedfiles
+
+def sdk_update(args, config, basepath, workspace):
+    # Fetch locked-sigs.inc file from remote/local destination
+    updateserver = args.updateserver
+    if not updateserver:
+        updateserver = config.get('SDK', 'updateserver', '')
+    logger.debug("updateserver: %s" % updateserver)
+
+    # Make sure we are using sdk-update from within SDK
+    logger.debug("basepath = %s" % basepath)
+    old_locked_sig_file_path = os.path.join(basepath, 'conf/locked-sigs.inc')
+    if not os.path.exists(old_locked_sig_file_path):
+        logger.error("Not using devtool's sdk-update command from within an extensible SDK. Please specify correct basepath via --basepath option")
+        return -1
+    else:
+        logger.debug("Found conf/locked-sigs.inc in %s" % basepath)
+
+    if ':' in updateserver:
+        is_remote = True
+    else:
+        is_remote = False
+
+    layers_dir = os.path.join(basepath, 'layers')
+    conf_dir = os.path.join(basepath, 'conf')
+
+    # Grab variable values
+    tinfoil = setup_tinfoil(config_only=True, basepath=basepath)
+    try:
+        stamps_dir = tinfoil.config_data.getVar('STAMPS_DIR', True)
+        sstate_mirrors = tinfoil.config_data.getVar('SSTATE_MIRRORS', True)
+        site_conf_version = tinfoil.config_data.getVar('SITE_CONF_VERSION', True)
+    finally:
+        tinfoil.shutdown()
+
+    if not is_remote:
+        # devtool sdk-update /local/path/to/latest/sdk
+        new_locked_sig_file_path = os.path.join(updateserver, 'conf/locked-sigs.inc')
+        if not os.path.exists(new_locked_sig_file_path):
+            logger.error("%s doesn't exist or is not an extensible SDK" % updateserver)
+            return -1
+        else:
+            logger.debug("Found conf/locked-sigs.inc in %s" % updateserver)
+        update_dict = generate_update_dict(new_locked_sig_file_path, old_locked_sig_file_path)
+        logger.debug("update_dict = %s" % update_dict)
+        newsdk_path = updateserver
+        sstate_dir = os.path.join(newsdk_path, 'sstate-cache')
+        if not os.path.exists(sstate_dir):
+            logger.error("sstate-cache directory not found under %s" % newsdk_path)
+            return 1
+        sstate_objects = get_sstate_objects(update_dict, sstate_dir)
+        logger.debug("sstate_objects = %s" % sstate_objects)
+        if len(sstate_objects) == 0:
+            logger.info("No need to update.")
+            return 0
+        logger.info("Installing sstate objects into %s", basepath)
+        install_sstate_objects(sstate_objects, updateserver.rstrip('/'), basepath)
+        logger.info("Updating configuration files")
+        new_conf_dir = os.path.join(updateserver, 'conf')
+        shutil.rmtree(conf_dir)
+        shutil.copytree(new_conf_dir, conf_dir)
+        logger.info("Updating layers")
+        new_layers_dir = os.path.join(updateserver, 'layers')
+        shutil.rmtree(layers_dir)
+        ret = subprocess.call("cp -a %s %s" % (new_layers_dir, layers_dir), shell=True)
+        if ret != 0:
+            logger.error("Copying %s to %s failed" % (new_layers_dir, layers_dir))
+            return ret
+    else:
+        # devtool sdk-update http://myhost/sdk
+        tmpsdk_dir = tempfile.mkdtemp()
+        try:
+            os.makedirs(os.path.join(tmpsdk_dir, 'conf'))
+            new_locked_sig_file_path = os.path.join(tmpsdk_dir, 'conf', 'locked-sigs.inc')
+            # Fetch manifest from server
+            tmpmanifest = os.path.join(tmpsdk_dir, 'conf', 'sdk-conf-manifest')
+            ret = subprocess.call("wget -q -O %s %s/conf/sdk-conf-manifest" % (tmpmanifest, updateserver), shell=True)
+            changedfiles = check_manifest(tmpmanifest, basepath)
+            if not changedfiles:
+                logger.info("Already up-to-date")
+                return 0
+            # Update metadata
+            logger.debug("Updating metadata via git ...")
+            #Check for the status before doing a fetch and reset
+            if os.path.exists(os.path.join(basepath, 'layers/.git')):
+                out = subprocess.check_output("git status --porcelain", shell=True, cwd=layers_dir)
+                if not out:
+                    ret = subprocess.call("git fetch --all; git reset --hard", shell=True, cwd=layers_dir)
+                else:
+                    logger.error("Failed to update metadata as there have been changes made to it. Aborting.");
+                    logger.error("Changed files:\n%s" % out);
+                    return -1
+            else:
+                ret = -1
+            if ret != 0:
+                ret = subprocess.call("git clone %s/layers/.git" % updateserver, shell=True, cwd=tmpsdk_dir)
+                if ret != 0:
+                    logger.error("Updating metadata via git failed")
+                    return ret
+            logger.debug("Updating conf files ...")
+            for changedfile in changedfiles:
+                ret = subprocess.call("wget -q -O %s %s/%s" % (changedfile, updateserver, changedfile), shell=True, cwd=tmpsdk_dir)
+                if ret != 0:
+                    logger.error("Updating %s failed" % changedfile)
+                    return ret
+
+            # Check if UNINATIVE_CHECKSUM changed
+            uninative = False
+            if 'conf/local.conf' in changedfiles:
+                def read_uninative_checksums(fn):
+                    chksumitems = []
+                    with open(fn, 'r') as f:
+                        for line in f:
+                            if line.startswith('UNINATIVE_CHECKSUM'):
+                                splitline = re.split(r'[\[\]"\']', line)
+                                if len(splitline) > 3:
+                                    chksumitems.append((splitline[1], splitline[3]))
+                    return chksumitems
+
+                oldsums = read_uninative_checksums(os.path.join(basepath, 'conf/local.conf'))
+                newsums = read_uninative_checksums(os.path.join(tmpsdk_dir, 'conf/local.conf'))
+                if oldsums != newsums:
+                    uninative = True
+                    for buildarch, chksum in newsums:
+                        uninative_file = os.path.join('downloads', 'uninative', chksum, '%s-nativesdk-libc.tar.bz2' % buildarch)
+                        mkdir(os.path.join(tmpsdk_dir, os.path.dirname(uninative_file)))
+                        ret = subprocess.call("wget -q -O %s %s/%s" % (uninative_file, updateserver, uninative_file), shell=True, cwd=tmpsdk_dir)
+
+            # Ok, all is well at this point - move everything over
+            tmplayers_dir = os.path.join(tmpsdk_dir, 'layers')
+            if os.path.exists(tmplayers_dir):
+                shutil.rmtree(layers_dir)
+                shutil.move(tmplayers_dir, layers_dir)
+            for changedfile in changedfiles:
+                destfile = os.path.join(basepath, changedfile)
+                os.remove(destfile)
+                shutil.move(os.path.join(tmpsdk_dir, changedfile), destfile)
+            os.remove(os.path.join(conf_dir, 'sdk-conf-manifest'))
+            shutil.move(tmpmanifest, conf_dir)
+            if uninative:
+                shutil.rmtree(os.path.join(basepath, 'downloads', 'uninative'))
+                shutil.move(os.path.join(tmpsdk_dir, 'downloads', 'uninative'), os.path.join(basepath, 'downloads'))
+
+            if not sstate_mirrors:
+                with open(os.path.join(conf_dir, 'site.conf'), 'a') as f:
+                    f.write('SCONF_VERSION = "%s"\n' % site_conf_version)
+                    f.write('SSTATE_MIRRORS_append = " file://.* %s/sstate-cache/PATH \\n "\n' % updateserver)
+        finally:
+            shutil.rmtree(tmpsdk_dir)
+
+    if not args.skip_prepare:
+        # Find all potentially updateable tasks
+        sdk_update_targets = []
+        tasks = ['do_populate_sysroot', 'do_packagedata']
+        for root, _, files in os.walk(stamps_dir):
+            for fn in files:
+                if not '.sigdata.' in fn:
+                    for task in tasks:
+                        if '.%s.' % task in fn or '.%s_setscene.' % task in fn:
+                            sdk_update_targets.append('%s:%s' % (os.path.basename(root), task))
+        # Run bitbake command for the whole SDK
+        logger.info("Preparing build system... (This may take some time.)")
+        try:
+            exec_build_env_command(config.init_path, basepath, 'bitbake --setscene-only %s' % ' '.join(sdk_update_targets), stderr=subprocess.STDOUT)
+            output, _ = exec_build_env_command(config.init_path, basepath, 'bitbake -n %s' % ' '.join(sdk_update_targets), stderr=subprocess.STDOUT)
+            runlines = []
+            for line in output.splitlines():
+                if 'Running task ' in line:
+                    runlines.append(line)
+            if runlines:
+                logger.error('Unexecuted tasks found in preparation log:\n  %s' % '\n  '.join(runlines))
+                return -1
+        except bb.process.ExecutionError as e:
+            logger.error('Preparation failed:\n%s' % e.stdout)
+            return -1
+    return 0
+
+def sdk_install(args, config, basepath, workspace):
+    """Entry point for the devtool sdk-install command"""
+
+    import oe.recipeutils
+    import bb.process
+
+    for recipe in args.recipename:
+        if recipe in workspace:
+            raise DevtoolError('recipe %s is a recipe in your workspace' % recipe)
+
+    tasks = ['do_populate_sysroot', 'do_packagedata']
+    stampprefixes = {}
+    def checkstamp(recipe):
+        stampprefix = stampprefixes[recipe]
+        stamps = glob.glob(stampprefix + '*')
+        for stamp in stamps:
+            if '.sigdata.' not in stamp and stamp.startswith((stampprefix + '.', stampprefix + '_setscene.')):
+                return True
+        else:
+            return False
+
+    install_recipes = []
+    tinfoil = setup_tinfoil(config_only=False, basepath=basepath)
+    try:
+        for recipe in args.recipename:
+            rd = parse_recipe(config, tinfoil, recipe, True)
+            if not rd:
+                return 1
+            stampprefixes[recipe] = '%s.%s' % (rd.getVar('STAMP', True), tasks[0])
+            if checkstamp(recipe):
+                logger.info('%s is already installed' % recipe)
+            else:
+                install_recipes.append(recipe)
+    finally:
+        tinfoil.shutdown()
+
+    if install_recipes:
+        logger.info('Installing %s...' % ', '.join(install_recipes))
+        install_tasks = []
+        for recipe in install_recipes:
+            for task in tasks:
+                if recipe.endswith('-native') and 'package' in task:
+                    continue
+                install_tasks.append('%s:%s' % (recipe, task))
+        options = ''
+        if not args.allow_build:
+            options += ' --setscene-only'
+        try:
+            exec_build_env_command(config.init_path, basepath, 'bitbake %s %s' % (options, ' '.join(install_tasks)), watch=True)
+        except bb.process.ExecutionError as e:
+            raise DevtoolError('Failed to install %s:\n%s' % (recipe, str(e)))
+        failed = False
+        for recipe in install_recipes:
+            if checkstamp(recipe):
+                logger.info('Successfully installed %s' % recipe)
+            else:
+                raise DevtoolError('Failed to install %s - unavailable' % recipe)
+                failed = True
+        if failed:
+            return 2
+
+def register_commands(subparsers, context):
+    """Register devtool subcommands from the sdk plugin"""
+    if context.fixed_setup:
+        parser_sdk = subparsers.add_parser('sdk-update',
+                                           help='Update SDK components',
+                                           description='Updates installed SDK components from a remote server',
+                                           group='sdk')
+        updateserver = context.config.get('SDK', 'updateserver', '')
+        if updateserver:
+            parser_sdk.add_argument('updateserver', help='The update server to fetch latest SDK components from (default %s)' % updateserver, nargs='?')
+        else:
+            parser_sdk.add_argument('updateserver', help='The update server to fetch latest SDK components from')
+        parser_sdk.add_argument('--skip-prepare', action="store_true", help='Skip re-preparing the build system after updating (for debugging only)')
+        parser_sdk.set_defaults(func=sdk_update)
+
+        parser_sdk_install = subparsers.add_parser('sdk-install',
+                                                   help='Install additional SDK components',
+                                                   description='Installs additional recipe development files into the SDK. (You can use "devtool search" to find available recipes.)',
+                                                   group='sdk')
+        parser_sdk_install.add_argument('recipename', help='Name of the recipe to install the development artifacts for', nargs='+')
+        parser_sdk_install.add_argument('-s', '--allow-build', help='Allow building requested item(s) from source', action='store_true')
+        parser_sdk_install.set_defaults(func=sdk_install)