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# Development tool - sdk-update command plugin
import os
import subprocess
import logging
import glob
import shutil
import errno
import sys
from devtool import exec_build_env_command, setup_tinfoil, 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 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', '')
if not updateserver:
raise DevtoolError("Update server not specified in config file, you must specify it on the command line")
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
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)
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')
old_conf_dir = os.path.join(basepath, 'conf')
shutil.rmtree(old_conf_dir)
shutil.copytree(new_conf_dir, old_conf_dir)
logger.info("Updating layers")
new_layers_dir = os.path.join(updateserver, 'layers')
old_layers_dir = os.path.join(basepath, 'layers')
shutil.rmtree(old_layers_dir)
ret = subprocess.call("cp -a %s %s" % (new_layers_dir, old_layers_dir), shell=True)
if ret != 0:
logger.error("Copying %s to %s failed" % (new_layers_dir, old_layers_dir))
return ret
else:
# devtool sdk-update http://myhost/sdk
tmpsdk_dir = '/tmp/sdk-ext'
if os.path.exists(tmpsdk_dir):
shutil.rmtree(tmpsdk_dir)
os.makedirs(tmpsdk_dir)
os.makedirs(os.path.join(tmpsdk_dir, 'conf'))
# Fetch locked-sigs.inc from update server
ret = subprocess.call("wget -q -O - %s/conf/locked-sigs.inc > %s/locked-sigs.inc" % (updateserver, os.path.join(tmpsdk_dir, 'conf')), shell=True)
if ret != 0:
logger.error("Fetching conf/locked-sigs.inc from %s to %s/locked-sigs.inc failed" % (updateserver, os.path.join(tmpsdk_dir, 'conf')))
return ret
else:
logger.info("Fetching conf/locked-sigs.inc from %s to %s/locked-sigs.inc succeeded" % (updateserver, os.path.join(tmpsdk_dir, 'conf')))
new_locked_sig_file_path = os.path.join(tmpsdk_dir, 'conf/locked-sigs.inc')
update_dict = generate_update_dict(new_locked_sig_file_path, old_locked_sig_file_path)
logger.debug("update_dict = %s" % update_dict)
if len(update_dict) == 0:
logger.info("No need to update.")
return 0
# Update metadata
logger.debug("Updating meta data via git ...")
# Try using 'git pull', if failed, use 'git clone'
if os.path.exists(os.path.join(basepath, 'layers/.git')):
ret = subprocess.call("cd layers && git pull %s/layers/.git" % updateserver, shell=True)
else:
ret = -1
if ret != 0:
ret = subprocess.call("rm -rf layers && git clone %s/layers/.git" % updateserver, shell=True)
if ret != 0:
logger.error("Updating meta data via git failed")
return ret
logger.debug("Updating conf files ...")
conf_files = ['local.conf', 'bblayers.conf', 'devtool.conf', 'locked-sigs.inc']
for conf in conf_files:
ret = subprocess.call("wget -q -O - %s/conf/%s > conf/%s" % (updateserver, conf, conf), shell=True)
if ret != 0:
logger.error("Update %s failed" % conf)
return ret
with open(os.path.join(basepath, 'conf/local.conf'), 'a') as f:
f.write('SSTATE_MIRRORS_append = " file://.* %s/sstate-cache/PATH \\n "\n' % updateserver)
if not args.skip_prepare:
# Run bitbake command for the whole SDK
sdk_targets = config.get('SDK', 'sdk_targets')
logger.info("Preparing build system... (This may take some time.)")
try:
exec_build_env_command(config.init_path, basepath, 'bitbake %s' % sdk_targets)
except:
logger.error('bitbake %s failed' % sdk_targets)
return -1
return 0
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 from a nominated location')
parser_sdk.add_argument('updateserver', help='The update server to fetch latest SDK components from', nargs='?')
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)
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