134 lines
3.8 KiB
Python
134 lines
3.8 KiB
Python
# 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 logging
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import voluptuous as v
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import yaml
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log = logging.getLogger(__name__)
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class ConfigValidator:
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"""Check the layout and certain configuration options"""
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def __init__(self, config_file):
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self.config_file = config_file
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def validate(self):
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cron = {
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'check': str,
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'cleanup': str,
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}
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images = {
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'name': str,
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'pause': bool,
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'min-ram': int,
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'name-filter': str,
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'diskimage': str,
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'meta': dict,
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'username': str,
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'user-home': str,
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'private-key': str,
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'config-drive': bool,
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}
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old_network = {
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'net-id': str,
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'net-label': str,
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}
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network = {
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'name': v.Required(str),
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'public': bool, # Ignored, but kept for backwards compat
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}
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providers = {
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'name': str,
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'region-name': str,
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'service-type': str,
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'service-name': str,
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'availability-zones': [str],
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'keypair': str,
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'cloud': str,
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'username': str,
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'password': str,
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'auth-url': str,
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'project-id': str,
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'project-name': str,
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'max-servers': int,
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'max-concurrency': int,
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'pool': str, # Ignored, but kept for backwards compat
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'image-type': str,
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'networks': [v.Any(old_network, network)],
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'ipv6-preferred': bool,
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'boot-timeout': int,
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'api-timeout': int,
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'launch-timeout': int,
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'launch-retries': int,
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'rate': float,
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'images': [images],
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'hostname-format': str,
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'image-name-format': str,
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'clean-floating-ips': bool,
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}
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labels = {
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'name': str,
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'image': str,
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'min-ready': int,
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'ready-script': str,
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'providers': [{
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'name': str,
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}],
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}
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diskimages = {
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'name': str,
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'pause': bool,
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'elements': [str],
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'formats': [str],
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'release': v.Any(str, int),
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'rebuild-age': int,
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'env-vars': dict,
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}
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top_level = {
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'elements-dir': str,
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'images-dir': str,
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'zookeeper-servers': [{
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'host': str,
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'port': int,
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'chroot': str,
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}],
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'cron': cron,
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'providers': [providers],
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'labels': [labels],
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'diskimages': [diskimages],
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}
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log.info("validating %s" % self.config_file)
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config = yaml.load(open(self.config_file))
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# validate the overall schema
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schema = v.Schema(top_level)
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schema(config)
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# labels must list valid providers
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all_providers = [p['name'] for p in config['providers']]
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for label in config['labels']:
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for provider in label['providers']:
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if not provider['name'] in all_providers:
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raise AssertionError('label %s requests '
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'non-existent provider %s'
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% (label['name'], provider['name']))
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