fix(core): Add NoopAtomicOperationConverter. (#1547)

clouddriver-core/src/main/groovy/com/netflix/spinnaker/clouddriver/core/CloudDriverConfig.groovy

@@ -51,6 +51,7 @@ import com.netflix.spinnaker.clouddriver.model.NoopSubnetProvider
 import com.netflix.spinnaker.clouddriver.model.ReservationReportProvider
 import com.netflix.spinnaker.clouddriver.model.SecurityGroupProvider
 import com.netflix.spinnaker.clouddriver.model.SubnetProvider
+import com.netflix.spinnaker.clouddriver.orchestration.AtomicOperationConverter
 import com.netflix.spinnaker.clouddriver.search.ApplicationSearchProvider
 import com.netflix.spinnaker.clouddriver.search.NoopSearchProvider
 import com.netflix.spinnaker.clouddriver.search.ProjectSearchProvider
@@ -225,4 +226,10 @@ class CloudDriverConfig {
       new CleanupPendingOnDemandCachesAgent(jedisSource, applicationContext)
     ])
   }
+
+  @Bean
+  @ConditionalOnMissingBean(AtomicOperationConverter)
+  AtomicOperationConverter atomicOperationConverter() {
+    new NoopAtomicOperationConverter()
+  }
 }

clouddriver-core/src/main/groovy/com/netflix/spinnaker/clouddriver/core/NoopAtomicOperationConverter.groovy

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2017 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.core
+
+import com.netflix.spinnaker.clouddriver.orchestration.AtomicOperation
+import com.netflix.spinnaker.clouddriver.orchestration.AtomicOperationConverter
+import groovy.util.logging.Slf4j
+import org.springframework.stereotype.Component
+
+@Slf4j
+@Component("noProvidersConfigured")
+class NoopAtomicOperationConverter implements AtomicOperationConverter {
+
+  NoopAtomicOperationConverter() {
+    log.warn("No AtomicOperationConverters found. This likely means you have no cloud providers configured.")
+  }
+
+  @Override
+  AtomicOperation convertOperation(Map input) {
+    return null
+  }
+
+  @Override
+  Object convertDescription(Map input) {
+    return null
+  }
+}