229 lines
8.2 KiB
Python
Executable File
229 lines
8.2 KiB
Python
Executable File
#!/usr/bin/python
|
|
#
|
|
# Copyright (C) 2011 Colin Walters <walters@verbum.org>
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2 of the License, or (at your option) any later version.
|
|
#
|
|
# This library 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the
|
|
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
# Boston, MA 02111-1307, USA.
|
|
|
|
import os
|
|
import sys
|
|
import stat
|
|
import argparse
|
|
import json
|
|
|
|
from . import ostbuildrc
|
|
from . import fileutil
|
|
from . import jsondb
|
|
from .ostbuildlog import log, fatal
|
|
from .subprocess_helpers import run_sync, run_sync_get_output
|
|
|
|
_all_builtins = {}
|
|
|
|
class Builtin(object):
|
|
name = None
|
|
short_description = None
|
|
|
|
def __init__(self):
|
|
self._meta_cache = {}
|
|
self.prefix = None
|
|
self.manifest = None
|
|
self.snapshot = None
|
|
self.bin_snapshot = None
|
|
self.repo = None
|
|
self.ostree_dir = self._find_ostree_dir()
|
|
(self.active_branch, self.active_branch_checksum) = self._find_active_branch()
|
|
self._src_snapshots = None
|
|
self._bin_snapshots = None
|
|
|
|
def _find_ostree_dir(self):
|
|
for path in ['/ostree', '/sysroot/ostree']:
|
|
if os.path.isdir(path):
|
|
return path
|
|
return None
|
|
|
|
def _find_active_branch(self):
|
|
if self.ostree_dir is None:
|
|
return (None, None)
|
|
current_path = os.path.join(self.ostree_dir, 'current')
|
|
while True:
|
|
try:
|
|
target = os.path.join(self.ostree_dir, current_path)
|
|
stbuf = os.lstat(target)
|
|
except OSError, e:
|
|
current_path = None
|
|
break
|
|
if not stat.S_ISLNK(stbuf.st_mode):
|
|
break
|
|
current_path = os.readlink(target)
|
|
if current_path is not None:
|
|
basename = os.path.basename(current_path)
|
|
return basename.rsplit('-', 1)
|
|
else:
|
|
return (None, None)
|
|
|
|
def get_component_from_cwd(self):
|
|
cwd = os.getcwd()
|
|
parent = os.path.dirname(cwd)
|
|
parentparent = os.path.dirname(parent)
|
|
return '%s/%s/%s' % tuple(map(os.path.basename, [parentparent, parent, cwd]))
|
|
|
|
def parse_config(self):
|
|
self.ostbuildrc = ostbuildrc
|
|
|
|
self.mirrordir = ostbuildrc.get_key('mirrordir')
|
|
if not os.path.isdir(self.mirrordir):
|
|
fatal("Specified mirrordir '%s' is not a directory" % (self.mirrordir, ))
|
|
self.workdir = ostbuildrc.get_key('workdir')
|
|
if not os.path.isdir(self.workdir):
|
|
fatal("Specified workdir '%s' is not a directory" % (self.workdir, ))
|
|
|
|
self.snapshot_dir = os.path.join(self.workdir, 'snapshots')
|
|
self.patchdir = os.path.join(self.workdir, 'patches')
|
|
|
|
def load_bin_snapshot_from_path(self, path):
|
|
self.bin_snapshot_path = os.path.join(path, 'contents.json')
|
|
self.bin_snapshot = json.load(open(self.bin_snapshot_path))
|
|
bin_ver = self.bin_snapshot['00ostree-bin-snapshot-version']
|
|
if bin_ver != 0:
|
|
fatal("Unhandled 00ostree-bin-snapshot-version \"%d\", expected 0", bin_ver)
|
|
|
|
def load_bin_snapshot_from_current(self):
|
|
if self.ostree_dir is None:
|
|
fatal("/ostree directory not found")
|
|
repo_path = os.path.join(self.ostree_dir, 'repo')
|
|
if not os.path.isdir(repo_path):
|
|
fatal("Repository '%s' doesn't exist" % (repo_path, ))
|
|
self.repo = repo_path
|
|
if self.active_branch is None:
|
|
fatal("No \"current\" link found")
|
|
tree_path = os.path.join(self.ostree_dir, self.active_branch)
|
|
self.load_bin_snapshot_from_path(tree_path)
|
|
|
|
def get_component_snapshot(self, name):
|
|
found = False
|
|
for content in self.active_branch_contents['contents']:
|
|
if content['name'] == name:
|
|
found = True
|
|
break
|
|
if not found:
|
|
fatal("Unknown component '%s'" % (name, ))
|
|
return content
|
|
|
|
def get_component_meta_from_revision(self, revision):
|
|
text = run_sync_get_output(['ostree', '--repo=' + self.repo,
|
|
'cat', revision,
|
|
'/_ostbuild-meta.json'])
|
|
return json.loads(text)
|
|
|
|
def get_component_meta(self, name):
|
|
assert self.repo is not None
|
|
|
|
if self.snapshot is not None:
|
|
return self.snapshot['components'][name]
|
|
|
|
meta = self._meta_cache.get(name)
|
|
if meta is None:
|
|
content = self.get_component_snapshot(name)
|
|
meta = self.get_component_meta_from_revision(content['ostree-revision'])
|
|
self._meta_cache[name] = meta
|
|
return meta
|
|
|
|
def get_prefix(self):
|
|
if self.prefix is None:
|
|
path = os.path.expanduser('~/.config/ostbuild-prefix')
|
|
if not os.path.exists(path):
|
|
fatal("No prefix set; use \"ostbuild prefix\" to set one")
|
|
f = open(path)
|
|
self.prefix = f.read().strip()
|
|
f.close()
|
|
return self.prefix
|
|
|
|
def create_db(self, dbsuffix, prefix=None):
|
|
if prefix is None:
|
|
target_prefix = self.get_prefix()
|
|
else:
|
|
target_prefix = prefix
|
|
name = '%s-%s' % (target_prefix, dbsuffix)
|
|
fileutil.ensure_dir(self.snapshot_dir)
|
|
return jsondb.JsonDB(self.snapshot_dir, prefix=name)
|
|
|
|
def get_src_snapshot_db(self):
|
|
if self._src_snapshots is None:
|
|
self._src_snapshots = self.create_db('src-snapshot')
|
|
return self._src_snapshots
|
|
|
|
def get_bin_snapshot_db(self):
|
|
if self._bin_snapshots is None:
|
|
self._bin_snapshots = self.create_db('bin-snapshot')
|
|
return self._bin_snapshots
|
|
|
|
def _init_repo(self):
|
|
repo = ostbuildrc.get_key('repo', default=None)
|
|
if repo is not None:
|
|
self.repo = repo
|
|
else:
|
|
shadow_path = os.path.join(self.workdir, 'shadow-repo')
|
|
if os.path.isdir(shadow_path):
|
|
self.repo = shadow_path
|
|
else:
|
|
fatal("No repository configured, and shadow-repo not found. Use \"ostbuild shadow-repo-init\" to make one")
|
|
|
|
def parse_snapshot(self, prefix, path):
|
|
if prefix is not None:
|
|
self.prefix = prefix
|
|
self._init_repo()
|
|
if path is None:
|
|
latest_path = self.get_src_snapshot_db().get_latest_path()
|
|
if latest_path is None:
|
|
raise Exception("No source snapshot found for prefix %r" % (self.prefix, ))
|
|
self.snapshot_path = latest_path
|
|
else:
|
|
self.snapshot_path = path
|
|
self.snapshot = json.load(open(self.snapshot_path))
|
|
src_ver = self.snapshot['00ostree-src-snapshot-version']
|
|
if src_ver != 0:
|
|
fatal("Unhandled 00ostree-src-snapshot-version \"%d\", expected 0" % (src_ver, ))
|
|
|
|
def parse_bin_snapshot(self, prefix, path):
|
|
if prefix is not None:
|
|
self.prefix = prefix
|
|
self._init_repo()
|
|
if path is None:
|
|
latest_path = self.get_bin_snapshot_db().get_latest_path()
|
|
if latest_path is None:
|
|
raise Exception("No binary snapshot found for prefix %r" % (self.prefix, ))
|
|
self.bin_snapshot_path = latest_path
|
|
else:
|
|
self.bin_snapshot_path = path
|
|
self.bin_snapshot = json.load(open(self.bin_snapshot_path))
|
|
bin_ver = self.bin_snapshot['00ostree-bin-snapshot-version']
|
|
if bin_ver != 0:
|
|
fatal("Unhandled 00ostree-bin-snapshot-version \"%d\", expected 0" % (bin_ver, ))
|
|
|
|
def execute(self, args):
|
|
raise NotImplementedError()
|
|
|
|
def register(builtin):
|
|
_all_builtins[builtin.name] = builtin
|
|
|
|
def get(name):
|
|
builtin = _all_builtins.get(name)
|
|
if builtin is not None:
|
|
return builtin()
|
|
return None
|
|
|
|
def get_all():
|
|
return sorted(_all_builtins.itervalues(), lambda a, b: cmp(a.name, b.name))
|