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authorChen Qi <Qi.Chen@windriver.com>2015-06-29 13:33:16 +0800
committerChen Qi <Qi.Chen@windriver.com>2015-08-20 15:04:26 +0800
commitcd47fe141d2a0036294838ecb1729a4293453825 (patch)
tree7f8f65bd210c97a8bda3bd1eb76dfdef721ecb94
parent976a8a06f122246c20abebef8aa604733e1debfb (diff)
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devtool: add sdk.py plugin
This plugin is only enabled when devtool is used within the extensible SDK. It is used to update the current SDK from a local or remote server. E.g. devtool sdk-update /mnt/sdk-repo/ devtool sdk-update http://mysdkhost/sdk Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
-rw-r--r--scripts/lib/devtool/sdk.py188
1 files changed, 188 insertions, 0 deletions
diff --git a/scripts/lib/devtool/sdk.py b/scripts/lib/devtool/sdk.py
new file mode 100644
index 00000000000..9bc21eae0bb
--- /dev/null
+++ b/scripts/lib/devtool/sdk.py
@@ -0,0 +1,188 @@
+# 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
+
+logger = logging.getLogger('devtool')
+
+def plugin_init(pluginlist):
+ """Plugin initialization"""
+ pass
+
+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, newsdk_path):
+ """Return a list containing sstate objects which are to be installed"""
+ sstate_objects = []
+ # Ensure newsdk_path points to an extensible SDK
+ 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)
+ raise
+ 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
+ logger.debug("updateserver: %s" % args.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 args.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(args.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" % args.updateserver)
+ return -1
+ else:
+ logger.debug("Found conf/locked-sigs.inc in %s" % args.updateserver)
+ update_dict = generate_update_dict(new_locked_sig_file_path, old_locked_sig_file_path)
+ logger.debug("update_dict = %s" % update_dict)
+ sstate_objects = get_sstate_objects(update_dict, args.updateserver)
+ 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, args.updateserver.rstrip('/'), basepath)
+ logger.info("Updating configuration files")
+ new_conf_dir = os.path.join(args.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(args.updateserver, 'layers')
+ old_layers_dir = os.path.join(basepath, 'layers')
+ shutil.rmtree(old_layers_dir)
+ shutil.copytree(new_layers_dir, old_layers_dir)
+ 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" % (args.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" % (args.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" % (args.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", shell=True)
+ else:
+ ret = -1
+ if ret != 0:
+ ret = subprocess.call("rm -rf layers && git clone %s/layers" % args.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', 'work-config.inc', 'locked-sigs.inc']
+ for conf in conf_files:
+ ret = subprocess.call("wget -q -O - %s/conf/%s > conf/%s" % (args.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' % args.updateserver)
+
+ # Run bitbake command for the whole SDK
+ sdk_targets = config.get('SDK', 'sdk_targets')
+ logger.info("Executing 'bitbake %s' ... (This may take some time.)" % sdk_targets)
+ 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 destination')
+ parser_sdk.add_argument('updateserver', help='The update server to fetch latest SDK components')
+ parser_sdk.set_defaults(func=sdk_update)