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# Copyright (C) 2013 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# FIXME: no tests
import os
import glob
import json
import cliapp
import morphlib
class CopyArtifactsPlugin(cliapp.Plugin):
def enable(self):
self.app.add_subcommand(
'list-artifacts', self.list_artifacts,
arg_synopsis='SYSTEM-ARTIFACT')
self.app.add_subcommand(
'copy-artifacts', self.copy_artifacts,
arg_synopsis='SYSTEM-ARTIFACT DESTINATION')
def disable(self):
pass
def list_artifacts(self, args):
'''List every artifact that makes up a system artifact.
Command line arguments:
* `SYSTEM-ARTIFACT` is the filename for a build artifact for
a system (ending in `-rootfs`).
list-artifacts reads the system artifact and writes out a list
of the filenames, in the local artifact cache, of all the
component artifacts included in the system. It does not include
build-dependencies of the system, unless they're included in
the system.
'''
if len(args) != 1:
raise cliapp.AppException(
'Wrong number of arguments to list-artifacts command'
'(see help)')
system = args[0]
artifacts = self.find_artifacts(system)
for artifact in artifacts:
self.app.output.write(artifact + "\n")
def copy_artifacts(self, args):
'''Copy every artifact that makes up a system to an rsync path.
Command line arguments:
* `SYSTEM-ARTIFACT` is the filename for a build artifact for
a system (ending in `-rootfs`).
* `DESTINATION` is a URL for where the artifacts are to be
copied to, in a form suitable for the rsync program.
This command is useful for copying artifacts from a local
system to a Morph artifact cache server, so they can be
shared by other people. It can also be used to archive
artifacts used for a release. Note, however, that it does
not include artifacts that are build-dependencies of the
strata included in the system, but not actually in cluded
in the system.
Example:
morph copy-artifacts /src/cache/artifacts/*.system.* \
cache.example.com:/srv/cache/
'''
if len(args) != 2:
raise cliapp.AppException(
'Wrong number of arguments to copy-artifacts command'
'(see help)')
system = args[0]
rsync_dest = args[1]
artifacts = self.find_artifacts(system)
cmdline = ['rsync']
cmdline.extend(artifacts)
cmdline.append(rsync_dest)
cliapp.runcmd(cmdline)
def find_artifacts(self, system):
artifacts_dir = os.path.join(
self.app.settings['cachedir'], 'artifacts')
artifacts = []
def find_in_system(dirname):
metadirs = [
os.path.join(dirname, 'factory', 'baserock'),
os.path.join(dirname, 'baserock')
]
existing_metadirs = [x for x in metadirs if os.path.isdir(x)]
if not existing_metadirs:
raise NotASystemArtifactError(system)
metadir = existing_metadirs[0]
for basename in glob.glob(os.path.join(metadir, '*.meta')):
metafile = os.path.join(metadir, basename)
metadata = json.load(open(metafile))
cache_key = metadata['cache-key']
artifact_glob = os.path.join(artifacts_dir, cache_key) + '*'
found_artifacts = glob.glob(artifact_glob)
if not found_artifacts:
raise cliapp.AppException('Could not find cache-key '
+ cache_key + 'for artifact '
+ metajson['artifact-name'])
artifacts.extend(found_artifacts)
morphlib.bins.call_in_artifact_directory(
self.app, system, find_in_system)
return artifacts
|
