224 lines
8.1 KiB
Python
Executable File
224 lines
8.1 KiB
Python
Executable File
# Copyright (C) 2011 Colin Walters <walters@verbum.org>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import os,sys,re,subprocess,tempfile,shutil
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from StringIO import StringIO
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import argparse
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import time
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import json
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import hashlib
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from . import builtins
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from . import buildutil
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from . import fileutil
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from . import ostbuildrc
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from .ostbuildlog import log, fatal
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from .subprocess_helpers import run_sync, run_sync_get_output
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class OstbuildChrootCompileOne(builtins.Builtin):
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name = "chroot-compile-one"
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short_description = "Build artifacts from the current source directory in a chroot"
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def _resolve_refs(self, refs):
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if len(refs) == 0:
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return []
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args = ['ostree', '--repo=' + self.repo, 'rev-parse']
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args.extend(refs)
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output = run_sync_get_output(args)
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return output.split('\n')
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def _compose_buildroot(self, component_name, architecture):
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starttime = time.time()
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rootdir_prefix = os.path.join(self.workdir, 'roots')
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rootdir = os.path.join(rootdir_prefix, component_name)
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fileutil.ensure_parent_dir(rootdir)
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# Clean up any leftover root dir
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rootdir_tmp = rootdir + '.tmp'
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if os.path.isdir(rootdir_tmp):
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shutil.rmtree(rootdir_tmp)
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components = self.snapshot['components']
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component = None
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build_dependencies = []
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for component in components:
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if component['name'] == component_name:
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break
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build_dependencies.append(component)
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ref_to_rev = {}
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prefix = self.snapshot['prefix']
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arch_buildroot_name = 'bases/%s/%s-%s-devel' % (self.snapshot['base']['name'],
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prefix,
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architecture)
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arch_buildroot_rev = run_sync_get_output(['ostree', '--repo=' + self.repo, 'rev-parse',
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arch_buildroot_name]).strip()
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ref_to_rev[arch_buildroot_name] = arch_buildroot_rev
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checkout_trees = [(arch_buildroot_name, '/')]
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refs_to_resolve = []
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for dependency in build_dependencies:
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buildname = 'components/%s/%s/%s' % (prefix, dependency['name'], architecture)
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refs_to_resolve.append(buildname)
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checkout_trees.append((buildname, '/runtime'))
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checkout_trees.append((buildname, '/devel'))
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resolved_refs = self._resolve_refs(refs_to_resolve)
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for ref,rev in zip(refs_to_resolve, resolved_refs):
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ref_to_rev[ref] = rev
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sha = hashlib.sha256()
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(fd, tmppath) = tempfile.mkstemp(suffix='.txt', prefix='ostbuild-buildroot-')
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f = os.fdopen(fd, 'w')
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for (branch, subpath) in checkout_trees:
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f.write(ref_to_rev[branch])
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f.write('\0')
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f.write(subpath)
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f.write('\0')
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f.close()
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f = open(tmppath)
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buf = f.read(8192)
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while buf != '':
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sha.update(buf)
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buf = f.read(8192)
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f.close()
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new_root_cacheid = sha.hexdigest()
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rootdir_cache_path = os.path.join(rootdir_prefix, component_name + '.cacheid')
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if os.path.isdir(rootdir):
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if os.path.isfile(rootdir_cache_path):
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f = open(rootdir_cache_path)
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prev_cache_id = f.read().strip()
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f.close()
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if prev_cache_id == new_root_cacheid:
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log("Reusing previous buildroot")
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os.unlink(tmppath)
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return rootdir
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else:
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log("New buildroot differs from previous")
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shutil.rmtree(rootdir)
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os.mkdir(rootdir_tmp)
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if len(checkout_trees) > 0:
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log("composing buildroot from %d parents (last: %r)" % (len(checkout_trees),
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checkout_trees[-1][0]))
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run_sync(['ostree', '--repo=' + self.repo,
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'checkout', '--user-mode', '--union',
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'--from-file=' + tmppath, rootdir_tmp])
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os.unlink(tmppath);
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builddir_tmp = os.path.join(rootdir_tmp, 'ostbuild')
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os.mkdir(builddir_tmp)
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os.mkdir(os.path.join(builddir_tmp, 'source'))
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os.mkdir(os.path.join(builddir_tmp, 'results'))
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os.rename(rootdir_tmp, rootdir)
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f = open(rootdir_cache_path, 'w')
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f.write(new_root_cacheid)
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f.write('\n')
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f.close()
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endtime = time.time()
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log("Composed buildroot; %d seconds elapsed" % (int(endtime - starttime),))
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return rootdir
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def execute(self, argv):
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parser = argparse.ArgumentParser(description=self.short_description)
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parser.add_argument('--prefix')
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parser.add_argument('--snapshot', required=True)
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parser.add_argument('--name')
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parser.add_argument('--resultdir')
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parser.add_argument('--arch', required=True)
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parser.add_argument('--debug-shell', action='store_true')
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args = parser.parse_args(argv)
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self.parse_config()
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self.parse_snapshot(args.prefix, args.snapshot)
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if args.name:
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component_name = args.name
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else:
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component_name = self.get_component_from_cwd()
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component = self.get_expanded_component(component_name)
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workdir = self.workdir
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log("Using working directory: %s" % (workdir, ))
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child_tmpdir=os.path.join(workdir, 'tmp')
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if os.path.isdir(child_tmpdir):
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log("Cleaning up previous tmpdir: %r" % (child_tmpdir, ))
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shutil.rmtree(child_tmpdir)
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fileutil.ensure_dir(child_tmpdir)
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resultdir = args.resultdir
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rootdir = self._compose_buildroot(component_name, args.arch)
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log("Checked out buildroot: %s" % (rootdir, ))
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sourcedir=os.path.join(rootdir, 'ostbuild', 'source', component_name)
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fileutil.ensure_dir(sourcedir)
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output_metadata = open('_ostbuild-meta.json', 'w')
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json.dump(component, output_metadata, indent=4, sort_keys=True)
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output_metadata.close()
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chroot_sourcedir = os.path.join('/ostbuild', 'source', component_name)
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child_args = buildutil.get_base_user_chroot_args()
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child_args.extend([
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'--mount-readonly', '/',
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'--mount-proc', '/proc',
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'--mount-bind', '/dev', '/dev',
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'--mount-bind', child_tmpdir, '/tmp',
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'--mount-bind', os.getcwd(), chroot_sourcedir,
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'--mount-bind', resultdir, '/ostbuild/results',
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'--chdir', chroot_sourcedir])
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if args.debug_shell:
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child_args.extend([rootdir, '/bin/sh'])
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else:
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child_args.extend([rootdir, '/usr/bin/ostbuild',
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'compile-one',
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'--ostbuild-resultdir=/ostbuild/results',
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'--ostbuild-meta=_ostbuild-meta.json'])
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env_copy = dict(buildutil.BUILD_ENV)
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env_copy['PWD'] = chroot_sourcedir
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run_sync(child_args, env=env_copy, keep_stdin=args.debug_shell)
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recorded_meta_path = os.path.join(resultdir, '_ostbuild-meta.json')
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recorded_meta_f = open(recorded_meta_path, 'w')
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json.dump(component, recorded_meta_f, indent=4, sort_keys=True)
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recorded_meta_f.close()
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builtins.register(OstbuildChrootCompileOne)
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