feat(aws): Implement the account API for AWS accounts

clouddriver-aws/src/main/java/com/netflix/spinnaker/clouddriver/aws/security/config/AccountsConfiguration.java

@@ -21,6 +21,7 @@
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.netflix.spinnaker.clouddriver.security.AccessControlledAccountDefinition;
 import com.netflix.spinnaker.fiat.model.resources.Permissions;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
@@ -57,8 +58,8 @@ public static class Account implements AccessControlledAccountDefinition {
     @Include private Boolean enabled;
     @Include private List<CredentialsConfig.Region> regions;
     @Include private List<String> defaultSecurityGroups;
-    private List<String> requiredGroupMembership;
-    @Include private Permissions.Builder permissions;
+    private List<String> requiredGroupMembership = new ArrayList<>();
+    @Include private Permissions.Builder permissions = new Permissions.Builder();
     @Include private String edda;
     @Include private Boolean eddaEnabled;
     @Include private Boolean lambdaEnabled;

clouddriver-aws/src/main/java/com/netflix/spinnaker/clouddriver/aws/security/config/AmazonAccountDefinitionSourceConfiguration.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 Salesforce, 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.aws.security.config;
+
+import com.netflix.spinnaker.clouddriver.security.AccountDefinitionRepository;
+import com.netflix.spinnaker.clouddriver.security.AccountDefinitionSource;
+import com.netflix.spinnaker.credentials.definition.CredentialsDefinitionSource;
+import java.util.List;
+import java.util.Optional;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+@Configuration
+@ConditionalOnProperty({"account.storage.enabled", "account.storage.aws.enabled"})
+public class AmazonAccountDefinitionSourceConfiguration {
+  @Bean
+  @Primary
+  public CredentialsDefinitionSource<AccountsConfiguration.Account> amazonAccountSource(
+      AccountDefinitionRepository repository,
+      Optional<List<CredentialsDefinitionSource<AccountsConfiguration.Account>>> additionalSources,
+      AccountsConfiguration accountProperties) {
+    return new AccountDefinitionSource<>(
+        repository,
+        AccountsConfiguration.Account.class,
+        additionalSources.orElseGet(() -> List.of(accountProperties::getAccounts)));
+  }
+}