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#!/usr/bin/env python
#
# Copyright (C) 2011-2012 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.
# This is a program to read the metadata of a baserock image to produce a list
# of all the chunks needed to build said image.
import json
import os
import tempfile
import gzip
import sys
import glob
import cliapp
path = os.path.dirname(os.path.dirname(__file__))
sys.path.append(path)
import morphlib
class FindArtifacts(morphlib.app.Morph):
def process_args(self, args):
artifacts_dir = os.path.join(self.settings['cachedir'], 'artifacts')
# args[0] is the path to the built image.
artifact = args[0]
def find_artifacts(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(artifact)
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'])
for cached_file in found_artifacts:
self.output.write(cached_file + "\n")
morphlib.bins.call_in_artifact_directory(self, artifact, find_artifacts)
FindArtifacts().run()
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