35979b1e02
Adds support for packages consisting of single HOT template. Most of HOT features are supported with exception of environments, attachments and JSON parameter type. Implements: blueprint hot-packages Change-Id: I927af0e96f1613e8843ac47844e9c19fa00fdaa6
92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import shutil
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import sys
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import tempfile
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import yaml
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import zipfile
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from murano.engine import yaql_yaml_loader
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import murano.packages.application_package
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import murano.packages.exceptions as e
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import murano.packages.versions.hot_v1
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import murano.packages.versions.mpl_v1
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def load_from_file(archive_path, target_dir=None, drop_dir=False,
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loader=yaql_yaml_loader.YaqlYamlLoader):
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if not os.path.isfile(archive_path):
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raise e.PackageLoadError('Unable to find package file')
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created = False
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if not target_dir:
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target_dir = tempfile.mkdtemp()
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created = True
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elif not os.path.exists(target_dir):
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os.mkdir(target_dir)
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created = True
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else:
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if os.listdir(target_dir):
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raise e.PackageLoadError('Target directory is not empty')
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try:
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if not zipfile.is_zipfile(archive_path):
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raise e.PackageFormatError("Uploading file should be a "
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"zip' archive")
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package = zipfile.ZipFile(archive_path)
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package.extractall(path=target_dir)
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return load_from_dir(target_dir, preload=True, loader=loader)
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finally:
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if drop_dir:
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if created:
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shutil.rmtree(target_dir)
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else:
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for f in os.listdir(target_dir):
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os.unlink(os.path.join(target_dir, f))
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def load_from_dir(source_directory, filename='manifest.yaml', preload=False,
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loader=yaql_yaml_loader.YaqlYamlLoader):
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formats = {
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'1.0': murano.packages.versions.mpl_v1,
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'MuranoPL/1.0': murano.packages.versions.mpl_v1,
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'Heat.HOT/1.0': murano.packages.versions.hot_v1
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}
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if not os.path.isdir(source_directory) or not os.path.exists(
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source_directory):
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raise e.PackageLoadError('Invalid package directory')
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full_path = os.path.join(source_directory, filename)
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if not os.path.isfile(full_path):
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raise e.PackageLoadError('Unable to find package manifest')
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try:
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with open(full_path) as stream:
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content = yaml.safe_load(stream)
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except Exception as ex:
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trace = sys.exc_info()[2]
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raise e.PackageLoadError(
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"Unable to load due to '{0}'".format(str(ex))), None, trace
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if content:
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p_format = str(content.get('Format'))
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if not p_format or p_format not in formats:
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raise e.PackageFormatError(
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'Unknown or missing format version')
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package = formats[p_format].create(source_directory, content, loader)
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formats[p_format].load(package, content)
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if preload:
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package.validate()
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return package
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