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
100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import os
|
|
import sys
|
|
import yaml
|
|
|
|
import murano.packages.application_package
|
|
from murano.packages import exceptions
|
|
|
|
|
|
class MuranoPlPackage(murano.packages.application_package.ApplicationPackage):
|
|
def __init__(self, source_directory, manifest, loader):
|
|
super(MuranoPlPackage, self).__init__(
|
|
source_directory, manifest, loader)
|
|
|
|
self._classes = None
|
|
self._ui = None
|
|
self._ui_cache = None
|
|
self._raw_ui_cache = None
|
|
self._classes_cache = {}
|
|
|
|
@property
|
|
def classes(self):
|
|
return tuple(self._classes.keys())
|
|
|
|
@property
|
|
def ui(self):
|
|
if not self._ui_cache:
|
|
self._load_ui(True)
|
|
return self._ui_cache
|
|
|
|
@property
|
|
def raw_ui(self):
|
|
if not self._raw_ui_cache:
|
|
self._load_ui(False)
|
|
return self._raw_ui_cache
|
|
|
|
def get_class(self, name):
|
|
if name not in self._classes_cache:
|
|
self._load_class(name)
|
|
return self._classes_cache[name]
|
|
|
|
# Private methods
|
|
def _load_ui(self, load_yaml=False):
|
|
if self._raw_ui_cache and load_yaml:
|
|
self._ui_cache = yaml.load(self._raw_ui_cache, self.yaml_loader)
|
|
else:
|
|
ui_file = self._ui
|
|
full_path = os.path.join(self._source_directory, 'UI', ui_file)
|
|
if not os.path.isfile(full_path):
|
|
self._raw_ui_cache = None
|
|
self._ui_cache = None
|
|
return
|
|
try:
|
|
with open(full_path) as stream:
|
|
self._raw_ui_cache = stream.read()
|
|
if load_yaml:
|
|
self._ui_cache = yaml.load(self._raw_ui_cache,
|
|
self.yaml_loader)
|
|
except Exception as ex:
|
|
trace = sys.exc_info()[2]
|
|
raise exceptions.PackageUILoadError(str(ex)), None, trace
|
|
|
|
def _load_class(self, name):
|
|
if name not in self._classes:
|
|
raise exceptions.PackageClassLoadError(
|
|
name, 'Class not defined in this package')
|
|
def_file = self._classes[name]
|
|
full_path = os.path.join(self._source_directory, 'Classes', def_file)
|
|
if not os.path.isfile(full_path):
|
|
raise exceptions.PackageClassLoadError(
|
|
name, 'File with class definition not found')
|
|
try:
|
|
with open(full_path) as stream:
|
|
self._classes_cache[name] = yaml.load(stream, self.yaml_loader)
|
|
except Exception as ex:
|
|
trace = sys.exc_info()[2]
|
|
msg = 'Unable to load class definition due to "{0}"'.format(
|
|
str(ex))
|
|
raise exceptions.PackageClassLoadError(name, msg), None, trace
|
|
|
|
def validate(self):
|
|
self._classes_cache.clear()
|
|
for class_name in self._classes:
|
|
self.get_class(class_name)
|
|
self._load_ui(True)
|
|
super(MuranoPlPackage, self).validate()
|