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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* 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.
*/
package io.fd.honeycomb.infra.distro.initializer
import com.google.inject.Inject
import com.google.inject.name.Named
import groovy.transform.ToString
import groovy.util.logging.Slf4j
import io.fd.honeycomb.data.init.DataTreeInitializer
import io.fd.honeycomb.data.init.InitializerRegistry
import io.fd.honeycomb.data.init.InitializerRegistryImpl
import io.fd.honeycomb.infra.distro.ProviderTrait
import io.fd.honeycomb.infra.distro.data.ConfigAndOperationalPipelineModule
import io.fd.honeycomb.infra.distro.data.context.ContextPipelineModule
@Slf4j
@ToString
class InitializerRegistryProvider extends ProviderTrait<InitializerRegistry> {
@Inject
@Named(ContextPipelineModule.HONEYCOMB_CONTEXT)
DataTreeInitializer contextInitializer
@Inject
@Named(ConfigAndOperationalPipelineModule.HONEYCOMB_CONFIG)
DataTreeInitializer configInitializer
@Inject(optional = true)
Set<DataTreeInitializer> pluginInitializers = []
@Override
def create() {
return new InitializerRegistry() {
@Override
void initialize() throws DataTreeInitializer.InitializeException {
log.info("Config initialization started");
final InitializerRegistry initializer = new InitializerRegistryImpl(new ArrayList<>(pluginInitializers))
try {
// Initialize contexts first so that other initializers can find any relevant mapping before initializing
// configuration to what is already in VPP
contextInitializer.initialize();
log.info("Persisted context restored successfully");
// Initialize all registered initializers
initializer.initialize();
log.info("Configuration initialized successfully");
// Initialize stored configuration on top
configInitializer.initialize();
log.info("Persisted configuration restored successfully");
} catch (Exception e) {
log.warn("Failed to initialize config", e);
}
log.info("Honeycomb initialized");
}
@Override
void close() throws Exception {}
}
}
}
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