#!/usr/bin/env python # Fetch layer repositories and update layer index database # # Copyright (C) 2013 Intel Corporation # Author: Paul Eggleton # # Licensed under the MIT license, see COPYING.MIT for details import sys import os.path import optparse import logging import subprocess from datetime import datetime import fnmatch import re import tempfile import shutil from distutils.version import LooseVersion def logger_create(): logger = logging.getLogger("LayerIndexUpdate") loggerhandler = logging.StreamHandler() loggerhandler.setFormatter(logging.Formatter("%(levelname)s: %(message)s")) logger.addHandler(loggerhandler) logger.setLevel(logging.INFO) return logger logger = logger_create() # Ensure PythonGit is installed (buildhistory_analysis needs it) try: import git except ImportError: logger.error("Please install PythonGit 0.3.1 or later in order to use this script") sys.exit(1) def runcmd(cmd,destdir=None,printerr=True): """ execute command, raise CalledProcessError if fail return output if succeed """ logger.debug("run cmd '%s' in %s" % (cmd, os.getcwd() if destdir is None else destdir)) out = os.tmpfile() try: subprocess.check_call(cmd, stdout=out, stderr=out, cwd=destdir, shell=True) except subprocess.CalledProcessError,e: out.seek(0) if printerr: logger.error("%s" % out.read()) raise e out.seek(0) output = out.read() logger.debug("output: %s" % output.rstrip() ) return output def split_bb_file_path(recipe_path, subdir_start): if fnmatch.fnmatch(recipe_path, "*.bb"): if subdir_start: filepath = os.path.relpath(os.path.dirname(recipe_path), subdir_start) else: filepath = os.path.dirname(recipe_path) return (filepath, os.path.basename(recipe_path)) return (None, None) conf_re = re.compile(r'conf/machine/([^/.]*).conf$') def check_machine_conf(path): res = conf_re.search(path) if res: return res.group(1) return None def update_recipe_file(data, path, recipe, layerdir_start, repodir): fn = str(os.path.join(path, recipe.filename)) try: logger.debug('Updating recipe %s' % fn) envdata = bb.cache.Cache.loadDataFull(fn, [], data) envdata.setVar('SRCPV', 'X') recipe.pn = envdata.getVar("PN", True) recipe.pv = envdata.getVar("PV", True) recipe.summary = envdata.getVar("SUMMARY", True) recipe.description = envdata.getVar("DESCRIPTION", True) recipe.section = envdata.getVar("SECTION", True) recipe.license = envdata.getVar("LICENSE", True) recipe.homepage = envdata.getVar("HOMEPAGE", True) recipe.save() # Get file dependencies within this layer deps = envdata.getVar('__depends', True) filedeps = [] for depstr, date in deps: found = False if depstr.startswith(layerdir_start) and not depstr.endswith('/conf/layer.conf'): filedeps.append(os.path.relpath(depstr, repodir)) from layerindex.models import RecipeFileDependency RecipeFileDependency.objects.filter(recipe=recipe).delete() for filedep in filedeps: recipedep = RecipeFileDependency() recipedep.layerbranch = recipe.layerbranch recipedep.recipe = recipe recipedep.path = filedep recipedep.save() except KeyboardInterrupt: raise except BaseException as e: if not recipe.pn: recipe.pn = recipe.filename[:-3].split('_')[0] logger.error("Unable to read %s: %s", fn, str(e)) def update_machine_conf_file(path, machine): logger.debug('Updating machine %s' % path) with open(path, 'r') as f: for line in f: if line.startswith('#@DESCRIPTION:'): desc = line[14:].strip() desc = re.sub(r'Machine configuration for (the )*', '', desc) machine.description = desc break def parse_layer_conf(layerdir, data): data.setVar('LAYERDIR', str(layerdir)) data = bb.cooker._parse(os.path.join(layerdir, "conf", "layer.conf"), data) data.expandVarref('LAYERDIR') def get_branch(branchname): from layerindex.models import Branch res = list(Branch.objects.filter(name=branchname)[:1]) if res: return res[0] return None def get_layer(layername): from layerindex.models import LayerItem res = list(LayerItem.objects.filter(name=layername)[:1]) if res: return res[0] return None def main(): if LooseVersion(git.__version__) < '0.3.1': logger.error("Version of GitPython is too old, please install GitPython (python-git) 0.3.1 or later in order to use this script") sys.exit(1) parser = optparse.OptionParser( usage = """ %prog [options]""") parser.add_option("-b", "--branch", help = "Specify branch to update", action="store", dest="branch", default='master') parser.add_option("-l", "--layer", help = "Specify layers to update (use commas to separate multiple). Default is all published layers.", action="store", dest="layers") parser.add_option("-r", "--reload", help = "Discard existing recipe data and fetch it from scratch", action="store_true", dest="reload") parser.add_option("-n", "--dry-run", help = "Don't write any data back to the database", action="store_true", dest="dryrun") parser.add_option("-x", "--nofetch", help = "Don't fetch repositories", action="store_true", dest="nofetch") parser.add_option("-d", "--debug", help = "Enable debug output", action="store_const", const=logging.DEBUG, dest="loglevel", default=logging.INFO) parser.add_option("-q", "--quiet", help = "Hide all output except error messages", action="store_const", const=logging.ERROR, dest="loglevel") options, args = parser.parse_args(sys.argv) # Get access to our Django model newpath = os.path.abspath(os.path.dirname(os.path.abspath(sys.argv[0])) + '/..') sys.path.append(newpath) os.environ['DJANGO_SETTINGS_MODULE'] = 'settings' from django.core.management import setup_environ from django.conf import settings from layerindex.models import LayerItem, LayerBranch, Recipe, RecipeFileDependency, Machine from django.db import transaction import settings setup_environ(settings) branch = get_branch(options.branch) if not branch: logger.error("Specified branch %s is not valid" % options.branch) sys.exit(1) fetchdir = settings.LAYER_FETCH_DIR if not fetchdir: logger.error("Please set LAYER_FETCH_DIR in settings.py") sys.exit(1) if options.layers: layerquery = LayerItem.objects.filter(name__in=options.layers.split(',')) if layerquery.count() == 0: logger.error('No layers matching specified query "%s"' % options.layers) sys.exit(1) else: layerquery = LayerItem.objects.filter(status='P') if layerquery.count() == 0: logger.info("No published layers to update") sys.exit(1) if not os.path.exists(fetchdir): os.makedirs(fetchdir) fetchedrepos = [] failedrepos = [] bitbakepath = os.path.join(fetchdir, 'bitbake') if not options.nofetch: # Fetch latest metadata from repositories for layer in layerquery: # Handle multiple layers in a single repo urldir = layer.get_fetch_dir() repodir = os.path.join(fetchdir, urldir) if not layer.vcs_url in fetchedrepos: logger.info("Fetching remote repository %s" % layer.vcs_url) out = None try: if not os.path.exists(repodir): out = runcmd("git clone %s %s" % (layer.vcs_url, urldir), fetchdir) else: out = runcmd("git fetch", repodir) except Exception as e: logger.error("fetch failed: %s" % str(e)) failedrepos.append(layer.vcs_url) continue fetchedrepos.append(layer.vcs_url) logger.info("Fetching bitbake from remote repository %s" % settings.BITBAKE_REPO_URL) if not os.path.exists(bitbakepath): out = runcmd("git clone %s %s" % (settings.BITBAKE_REPO_URL, 'bitbake'), fetchdir) else: out = runcmd("git fetch", bitbakepath) # Check out the branch of BitBake appropriate for this branch and clean out any stale files (e.g. *.pyc) out = runcmd("git checkout origin/%s" % branch.bitbake_branch, bitbakepath) out = runcmd("git clean -f -x", bitbakepath) # Skip sanity checks os.environ['BB_ENV_EXTRAWHITE'] = 'DISABLE_SANITY_CHECKS' os.environ['DISABLE_SANITY_CHECKS'] = '1' # Ensure we have OE-Core set up to get some base configuration core_layer = get_layer(settings.CORE_LAYER_NAME) if not core_layer: logger.error("Unable to find core layer %s in database; check CORE_LAYER_NAME setting" % settings.CORE_LAYER_NAME) sys.exit(1) core_layerbranch = core_layer.get_layerbranch(options.branch) if core_layerbranch: core_subdir = core_layerbranch.vcs_subdir else: core_subdir = 'meta' core_urldir = core_layer.get_fetch_dir() core_repodir = os.path.join(fetchdir, core_urldir) core_layerdir = os.path.join(core_repodir, core_subdir) out = runcmd("git checkout origin/%s" % options.branch, core_repodir) out = runcmd("git clean -f -x", core_repodir) # The directory above where this script exists should contain our conf/layer.conf, # so add it to BBPATH along with the core layer directory confparentdir = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..')) os.environ['BBPATH'] = str("%s:%s" % (confparentdir, core_layerdir)) # Change into a temporary directory so we don't write the cache and other files to the current dir if not os.path.exists(settings.TEMP_BASE_DIR): os.makedirs(settings.TEMP_BASE_DIR) tempdir = tempfile.mkdtemp(dir=settings.TEMP_BASE_DIR) os.chdir(tempdir) sys.path.extend([bitbakepath + '/lib']) import bb.tinfoil import bb.cooker tinfoil = bb.tinfoil.Tinfoil() tinfoil.prepare(config_only = True) logger.setLevel(options.loglevel) # Clear the default value of SUMMARY so that we can use DESCRIPTION instead if it hasn't been set tinfoil.config_data.setVar('SUMMARY', '') # Clear the default value of DESCRIPTION so that we can see where it's not set tinfoil.config_data.setVar('DESCRIPTION', '') # Clear the default value of HOMEPAGE ('unknown') tinfoil.config_data.setVar('HOMEPAGE', '') # Set a blank value for LICENSE so that it doesn't cause the parser to die (e.g. with meta-ti - # why won't they just fix that?!) tinfoil.config_data.setVar('LICENSE', '') # Ensure TMPDIR exists (or insane.bbclass will blow up trying to write to the QA log) oe_tmpdir = tinfoil.config_data.getVar('TMPDIR', True) os.makedirs(oe_tmpdir) # Process and extract data from each layer for layer in layerquery: transaction.enter_transaction_management() transaction.managed(True) try: urldir = layer.get_fetch_dir() repodir = os.path.join(fetchdir, urldir) if layer.vcs_url in failedrepos: logger.info("Skipping update of layer %s as fetch of repository %s failed" % (layer.name, layer.vcs_url)) transaction.rollback() continue # Collect repo info repo = git.Repo(repodir) assert repo.bare == False try: topcommit = repo.commit('origin/%s' % options.branch) except: logger.info("Skipping update of layer %s - branch %s doesn't exist" % (layer.name, options.branch)) transaction.rollback() continue layerbranch = layer.get_layerbranch(options.branch) if not layerbranch: # LayerBranch doesn't exist for this branch, create it layerbranch = LayerBranch() layerbranch.layer = layer layerbranch.branch = branch layerbranch_master = layer.get_layerbranch('master') if layerbranch_master: layerbranch.vcs_subdir = layerbranch_master.vcs_subdir layerbranch.save() if layerbranch_master: for maintainer in layerbranch_master.layermaintainer_set.all(): maintainer.pk = None maintainer.id = None maintainer.layerbranch = layerbranch maintainer.save() for dep in layerbranch_master.dependencies_set.all(): dep.pk = None dep.id = None dep.layerbranch = layerbranch dep.save() if layerbranch.vcs_subdir: # Find latest commit in subdirectory # A bit odd to do it this way but apparently there's no other way in the GitPython API for commit in repo.iter_commits('origin/%s' % options.branch, paths=layerbranch.vcs_subdir): topcommit = commit break layerdir = os.path.join(repodir, layerbranch.vcs_subdir) layerdir_start = os.path.normpath(layerdir) + os.sep layerrecipes = Recipe.objects.filter(layerbranch=layerbranch) layermachines = Machine.objects.filter(layerbranch=layerbranch) if layerbranch.vcs_last_rev != topcommit.hexsha or options.reload: # Check out appropriate branch out = runcmd("git checkout origin/%s" % options.branch, repodir) if not os.path.exists(layerdir): if options.branch == 'master': logger.error("Subdirectory for layer %s does not exist on master branch!" % layer.name) transaction.rollback() continue else: logger.info("Skipping update of layer %s for branch %s - subdirectory does not exist on this branch" % (layer.name, options.branch)) transaction.rollback() continue if not os.path.exists(os.path.join(layerdir, 'conf/layer.conf')): logger.error("conf/layer.conf not found for layer %s - is subdirectory set correctly?" % layer.name) transaction.rollback() continue logger.info("Collecting data for layer %s on branch %s" % (layer.name, options.branch)) # Parse layer.conf files for this layer and its dependencies # This is necessary not just because BBPATH needs to be set in order # for include/require/inherit to work outside of the current directory # or across layers, but also because custom variable values might be # set in layer.conf. config_data_copy = bb.data.createCopy(tinfoil.config_data) parse_layer_conf(layerdir, config_data_copy) for dep in layerbranch.dependencies_set.all(): depurldir = dep.dependency.get_fetch_dir() deprepodir = os.path.join(fetchdir, depurldir) deplayerbranch = dep.dependency.get_layerbranch(options.branch) if not deplayerbranch: logger.error('Dependency %s of layer %s does not have branch record for branch %s' % (dep.dependency.name, layer.name, options.branch)) transaction.rollback() continue deplayerdir = os.path.join(deprepodir, deplayerbranch.vcs_subdir) parse_layer_conf(deplayerdir, config_data_copy) config_data_copy.delVar('LAYERDIR') if layerbranch.vcs_last_rev and not options.reload: try: diff = repo.commit(layerbranch.vcs_last_rev).diff(topcommit) except Exception as e: logger.warn("Unable to get diff from last commit hash for layer %s - falling back to slow update: %s" % (layer.name, str(e))) diff = None else: diff = None if diff: # Apply git changes to existing recipe list if layerbranch.vcs_subdir: subdir_start = os.path.normpath(layerbranch.vcs_subdir) + os.sep else: subdir_start = "" updatedrecipes = set() for d in diff.iter_change_type('D'): path = d.a_blob.path if path.startswith(subdir_start): (filepath, filename) = split_bb_file_path(path, subdir_start) if filename: layerrecipes.filter(filepath=filepath).filter(filename=filename).delete() else: machinename = check_machine_conf(path) if machinename: layermachines.filter(name=machinename).delete() for d in diff.iter_change_type('A'): path = d.b_blob.path if path.startswith(subdir_start): (filepath, filename) = split_bb_file_path(path, subdir_start) if filename: recipe = Recipe() recipe.layerbranch = layerbranch recipe.filename = filename recipe.filepath = filepath update_recipe_file(config_data_copy, os.path.join(layerdir, filepath), recipe, layerdir_start, repodir) recipe.save() updatedrecipes.add(recipe) else: machinename = check_machine_conf(path) if machinename: machine = Machine() machine.layerbranch = layerbranch machine.name = machinename update_machine_conf_file(os.path.join(repodir, path), machine) machine.save() dirtyrecipes = set() for d in diff.iter_change_type('M'): path = d.a_blob.path if path.startswith(subdir_start): (filepath, filename) = split_bb_file_path(path, subdir_start) if filename: results = layerrecipes.filter(filepath=filepath).filter(filename=filename)[:1] if results: recipe = results[0] update_recipe_file(config_data_copy, os.path.join(layerdir, filepath), recipe, layerdir_start, repodir) recipe.save() updatedrecipes.add(recipe) else: machinename = check_machine_conf(path) if machinename: results = layermachines.filter(name=machinename) if results: machine = results[0] update_machine_conf_file(os.path.join(repodir, path), machine) machine.save() deps = RecipeFileDependency.objects.filter(layerbranch=layerbranch).filter(path=path) for dep in deps: dirtyrecipes.add(dep.recipe) dirtyrecipes -= updatedrecipes for recipe in dirtyrecipes: update_recipe_file(config_data_copy, os.path.join(layerdir, recipe.filepath), recipe, layerdir_start, repodir) else: # Collect recipe data from scratch layerrecipes.delete() layermachines.delete() for root, dirs, files in os.walk(layerdir): for f in files: if fnmatch.fnmatch(f, "*.bb"): recipe = Recipe() recipe.layerbranch = layerbranch recipe.filename = f recipe.filepath = os.path.relpath(root, layerdir) update_recipe_file(config_data_copy, root, recipe, layerdir_start, repodir) recipe.save() else: fullpath = os.path.join(root, f) machinename = check_machine_conf(fullpath) if machinename: machine = Machine() machine.layerbranch = layerbranch machine.name = machinename update_machine_conf_file(fullpath, machine) machine.save() # Save repo info layerbranch.vcs_last_rev = topcommit.hexsha layerbranch.vcs_last_commit = datetime.fromtimestamp(topcommit.committed_date) else: logger.info("Layer %s is already up-to-date for branch %s" % (layer.name, options.branch)) layerbranch.vcs_last_fetch = datetime.now() layerbranch.save() if options.dryrun: transaction.rollback() else: transaction.commit() except: import traceback traceback.print_exc() transaction.rollback() finally: transaction.leave_transaction_management() shutil.rmtree(tempdir) sys.exit(0) if __name__ == "__main__": main()