com.netflix.spinnaker.clouddriver.google.provider.agent.GoogleNetworkCachingAgent.groovy Maven / Gradle / Ivy

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Spinnaker Clouddriver
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/*
 * Copyright 2015 Google, 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.
 */

package com.netflix.spinnaker.clouddriver.google.provider.agent

import com.google.api.services.compute.model.Network
import com.netflix.spinnaker.cats.agent.AgentDataType
import com.netflix.spinnaker.cats.agent.CacheResult
import com.netflix.spinnaker.cats.provider.ProviderCache
import com.netflix.spinnaker.clouddriver.google.cache.CacheResultBuilder
import com.netflix.spinnaker.clouddriver.google.cache.Keys
import com.netflix.spinnaker.clouddriver.google.deploy.GCEUtil
import groovy.transform.InheritConstructors
import groovy.util.logging.Slf4j

import static com.netflix.spinnaker.cats.agent.AgentDataType.Authority.AUTHORITATIVE
import static com.netflix.spinnaker.clouddriver.google.cache.Keys.Namespace.NETWORKS

@Slf4j
@InheritConstructors
class GoogleNetworkCachingAgent extends AbstractGoogleCachingAgent {

  final Set providedDataTypes = [
      AUTHORITATIVE.forType(NETWORKS.ns)
  ] as Set

  String agentType = "${accountName}/global/${GoogleNetworkCachingAgent.simpleName}"

  @Override
  CacheResult loadData(ProviderCache providerCache) {
    List networkList = loadNetworks()
    buildCacheResult(providerCache, networkList)
  }

  List loadNetworks() {
    // TODO(duftler): Batch these 2 calls.
    List networks =
      timeExecute(compute.networks().list(project),
                  "compute.networks.list", TAG_SCOPE, SCOPE_GLOBAL).items as List

    if (xpnHostProject) {
      List hostNetworks = timeExecute(compute.networks().list(xpnHostProject),
                                               "compute.networks.list", TAG_SCOPE, SCOPE_GLOBAL).items as List

      networks = (networks ?: []) + (hostNetworks ?: [])
    }

    return networks
  }

  private CacheResult buildCacheResult(ProviderCache _, List networkList) {
    log.debug("Describing items in ${agentType}")

    def cacheResultBuilder = new CacheResultBuilder()

    networkList.each { Network network ->
      def networkKey = Keys.getNetworkKey(deriveNetworkId(network), "global", accountName)

      cacheResultBuilder.namespace(NETWORKS.ns).keep(networkKey).with {
        attributes.network = network
      }
    }

    log.debug("Caching ${cacheResultBuilder.namespace(NETWORKS.ns).keepSize()} items in ${agentType}")

    cacheResultBuilder.build()
  }

  private String deriveNetworkId(Network network) {
    def networkProject = GCEUtil.deriveProjectId(network.getSelfLink())
    def networkId = network.getName()

    if (networkProject != project) {
      networkId = "$networkProject/$networkId"
    }

    return networkId
  }
}