+++ /dev/null
-# Copyright 2019 Whitestack, LLC
-#
-# 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.
-#
-# For those usages not covered by the Apache License, Version 2.0 please
-# contact: esousa@whitestack.com or glavado@whitestack.com
-##
-
-import functools
-import logging
-import os
-import sys
-
-from jinja2 import Environment, PackageLoader
-
-from generators.actions_generator import ActionsGenerator
-from generators.metadata_generator import MetadataGenerator
-
-
-class AnsibleGenerator:
- LOGGER = logging.getLogger()
- ENV = Environment(loader=PackageLoader('ansible-charm', 'templates'))
-
- def __init__(self, metadata, license=None, options=None):
- """
- Creates the object to generate the ansible charm from templates.
-
- Usage should be:
-
- 1) Create the object.
- 2) Run the generate method.
-
- :param metadata: metadata information about the charm being generated.
- :param license: information license to included in the charm being generated.
- :param options: options to override the normal flow.
- """
- self.path = os.getcwd()
- self.metadata = metadata
- self.license = license
- self.options = options
- self.playbooks = AnsibleGenerator._fetch_all_playbooks(self.path)
-
- playbooks_name = [playbook['file'] for playbook in self.playbooks]
- AnsibleGenerator.LOGGER.debug('Playbooks found: %s', playbooks_name)
-
- self.metadata_generator = MetadataGenerator(metadata=self.metadata, license=self.license, options=self.options)
- self.actions_generator = ActionsGenerator(metadata=self.metadata, actions=self.playbooks, license=self.license,
- options=self.options)
-
- def generate(self):
- """
- Generates the Ansible Charm using templates.
- """
- AnsibleGenerator.LOGGER.info('Generating the Ansible Charm...')
-
- # Generating metadata.yaml
- self.metadata_generator.generate()
- self.metadata = self.metadata_generator.get_metadata()
-
- # Generating actions
- self.actions_generator.generate()
-
- self._generate_ansible_lib()
- self._generate_layer_yaml_file()
- self._generate_reactive_file()
-
- AnsibleGenerator.LOGGER.info('Generated the Ansible Charm.')
-
- @staticmethod
- def _fetch_all_playbooks(path):
- """
- Walks over the playbooks directory, fetches the playbook's name.
- It takes the file name and normalizes it to be used in the ansible charm.
-
- :param path: path of the root of the charm.
- :return: a list of dictionaries with the information about the playbooks.
- """
- playbooks_path = path + '/playbooks'
-
- if os.path.isdir(playbooks_path) and len(os.listdir(playbooks_path)) != 0:
- filenames = os.listdir(playbooks_path)
-
- result = []
- for file in filenames:
- info = {
- 'action_name': file.replace('_', '-').replace('.yaml', ''),
- 'function_name': file.replace('-', '_').replace('.yaml', ''),
- 'file': file
- }
- result.append(info)
-
- return result
- else:
- AnsibleGenerator.LOGGER.error('Playbooks directory should exist and be populated.')
- sys.exit(-1)
-
- def _generate_ansible_lib(self):
- """
- Generates the ansible lib file from a template.
- """
- AnsibleGenerator.LOGGER.debug('Creating ansible.py lib...')
-
- lib_folder_path = self.path + '/lib/charms'
- ansible_lib_path = lib_folder_path + '/libansible.py'
-
- if not os.path.isdir(lib_folder_path):
- os.makedirs(lib_folder_path)
-
- ansible_lib_template = AnsibleGenerator.ENV.get_template('ansible_lib.py.j2')
-
- with open(ansible_lib_path, 'w') as f:
- f.write(ansible_lib_template.render(license=self.license))
-
- AnsibleGenerator.LOGGER.debug('Created anisble.py lib.')
-
- def _generate_layer_yaml_file(self):
- """
- Generates the layer.yaml file from a template.
-
- Note: disables the venv environment.
- """
- AnsibleGenerator.LOGGER.debug('Creating layer.yaml...')
-
- layer_yaml_path = self.path + '/layer.yaml'
-
- layers = [{
- 'name': 'basic',
- 'options': [{
- 'name': 'use_venv',
- 'value': 'false'
- }]}, {
- 'name': 'ansible-base'
- }, {
- 'name': 'vnfproxy'
- }]
-
- layer_template = AnsibleGenerator.ENV.get_template('layer.yaml.j2')
-
- with open(layer_yaml_path, 'w') as f:
- f.write(layer_template.render(layers=layers, license=self.license))
-
- AnsibleGenerator.LOGGER.debug('Created layer.yaml.')
-
- def _generate_reactive_file(self):
- """
- Generates the Ansible reactive file from a template.
- It takes all the playbook information and fills in the templates.
-
- Note: renames the old charm file with a .bkp extension, so the history is preserved.
- """
- AnsibleGenerator.LOGGER.debug('Creating ansible charm: %s...', self.metadata['file'])
-
- reactive_folder_path = self.path + '/reactive'
- charm_file_path = reactive_folder_path + ('/%s' % self.metadata['file'])
- ansible_charm_template = AnsibleGenerator.ENV.get_template('ansible_charm.py.j2')
-
- ids = [int(f.split('.')[-1]) for f in os.listdir(reactive_folder_path)
- if f.startswith('%s.bkp' % self.metadata['file'])]
-
- id = 0
- if ids:
- id = functools.reduce(lambda x, y: x if (x > y) else y, ids)
- id += 1
-
- backup_charm_file_path = reactive_folder_path + ('/%s.bkp.%02d' % (self.metadata['file'], id))
- os.rename(charm_file_path, backup_charm_file_path)
-
- with open(charm_file_path, 'w') as f:
- f.write(ansible_charm_template.render(charm_name=self.metadata['name'], playbooks=self.playbooks,
- license=self.license))
-
- AnsibleGenerator.LOGGER.debug('Created ansible charm: %s.', self.metadata['file'])
projects / osm / devops.git / blobdiff