Adds ability to hardcode group membership to service accounts. This i…

…s especially useful in SAML environments, where neither Fiat nor Gate can reach out to an external service to resolve roles/permissions. (#128)

fiat-core/src/main/java/com/netflix/spinnaker/fiat/model/resources/ServiceAccount.java

@@ -17,19 +17,31 @@
 package com.netflix.spinnaker.fiat.model.resources;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.netflix.spinnaker.fiat.model.UserPermission;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.val;
 import org.apache.commons.lang3.StringUtils;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Data
 public class ServiceAccount implements GroupAccessControlled, Viewable {
   private final ResourceType resourceType = ResourceType.SERVICE_ACCOUNT;
 
   private String name;
+  private List<String> memberOf = new ArrayList<>();
+
+  public UserPermission toUserPermission() {
+    val roles = memberOf.stream()
+                        .map(membership -> new Role(membership).setSource(Role.Source.EXTERNAL))
+                        .collect(Collectors.toSet());
+    return new UserPermission().setId(name).setRoles(roles);
+  }
 
   @JsonIgnore
   public List<String> getRequiredGroupMembership() {

fiat-core/src/test/groovy/com/netflix/spinnaker/fiat/model/resources/ServiceAccountSpec.groovy

@@ -0,0 +1,38 @@
+/*
+ * 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.fiat.model.resources
+
+import spock.lang.Specification
+
+class ServiceAccountSpec extends Specification {
+
+  def 'should convert to UserPermission'() {
+    setup:
+    ServiceAccount acct = new ServiceAccount().setName("my-svc-acct")
+                                              .setMemberOf(["foo", "bar"])
+
+    when:
+    def result = acct.toUserPermission()
+
+    then:
+    result.id == "my-svc-acct"
+    result.roles.containsAll([
+        new Role("foo").setSource(Role.Source.EXTERNAL),
+        new Role("bar").setSource(Role.Source.EXTERNAL)
+    ])
+  }
+}

fiat-roles/src/main/java/com/netflix/spinnaker/fiat/roles/UserRolesSyncer.java

@@ -21,6 +21,7 @@
 import com.netflix.spinnaker.fiat.config.UnrestrictedResourceConfig;
 import com.netflix.spinnaker.fiat.model.UserPermission;
 import com.netflix.spinnaker.fiat.model.resources.Role;
+import com.netflix.spinnaker.fiat.model.resources.ServiceAccount;
 import com.netflix.spinnaker.fiat.permissions.ExternalUser;
 import com.netflix.spinnaker.fiat.permissions.PermissionResolutionException;
 import com.netflix.spinnaker.fiat.permissions.PermissionsRepository;
@@ -134,7 +135,7 @@ private Map<String, UserPermission> getServiceAccountsAsMap() {
     return serviceAccountProvider
         .getAll()
         .stream()
-        .map(serviceAccount -> new UserPermission().setId(serviceAccount.getName()))
+        .map(ServiceAccount::toUserPermission)
         .collect(Collectors.toMap(UserPermission::getId, Functions.identity()));
   }
 

fiat-roles/src/test/groovy/com/netflix/spinnaker/fiat/permissions/RedisPermissionsRepositorySpec.groovy

@@ -98,7 +98,7 @@ class RedisPermissionsRepositorySpec extends Specification {
     jedis.hgetAll("unittests:permissions:testUser:applications") ==
         ['app': '{"name":"app","requiredGroupMembership":[]}']
     jedis.hgetAll("unittests:permissions:testUser:service_accounts") ==
-        ['serviceAccount': '{"name":"serviceAccount"}']
+        ['serviceAccount': '{"name":"serviceAccount","memberOf":[]}']
     jedis.hgetAll("unittests:permissions:testUser:roles") ==
         ['role1': '{"name":"role1"}']
   }