Adding access key auth support for openstack V3

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v3/auth/V3AuthenticationApi.java

@@ -27,6 +27,9 @@
 import org.jclouds.openstack.keystone.auth.domain.PasswordCredentials;
 import org.jclouds.openstack.keystone.auth.domain.TenantOrDomainAndCredentials;
 import org.jclouds.openstack.keystone.auth.domain.TokenCredentials;
+import org.jclouds.openstack.keystone.auth.domain.ApiAccessKeyCredentials;
+import org.jclouds.openstack.keystone.auth.domain.AuthInfo;
+import org.jclouds.openstack.keystone.v3.binders.BindAccessKeyAuthToJsonPayload;
 import org.jclouds.openstack.keystone.v3.binders.BindPasswordAuthToJsonPayload;
 import org.jclouds.openstack.keystone.v3.binders.BindTokenAuthToJsonPayload;
 import org.jclouds.openstack.keystone.v3.domain.Token;
@@ -57,4 +60,10 @@ public interface V3AuthenticationApi extends AuthenticationApi, Closeable {
    @Override
    Token authenticateToken(TenantOrDomainAndCredentials<TokenCredentials> credentials);
 
+   @Named("token:create")
+   @POST
+   @ResponseParser(ParseTokenFromHttpResponse.class)
+   @MapBinder(BindAccessKeyAuthToJsonPayload.class)
+   @Override
+   AuthInfo authenticateAccessKey(TenantOrDomainAndCredentials<ApiAccessKeyCredentials> credentials);
 }

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v3/binders/BindAccessKeyAuthToJsonPayload.java

@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.jclouds.openstack.keystone.v3.binders;
+
+import org.jclouds.json.Json;
+import org.jclouds.openstack.keystone.auth.domain.ApiAccessKeyCredentials;
+import org.jclouds.openstack.keystone.auth.domain.TenantOrDomainAndCredentials;
+import org.jclouds.openstack.keystone.v3.domain.Auth;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import static java.util.Collections.singletonList;
+
+@Singleton
+public class BindAccessKeyAuthToJsonPayload extends BindAuthToJsonPayload<ApiAccessKeyCredentials> {
+
+    @Inject
+    protected BindAccessKeyAuthToJsonPayload(Json jsonBinder) {
+        super(jsonBinder);
+    }
+
+    @Override
+    protected Auth buildAuth(TenantOrDomainAndCredentials<ApiAccessKeyCredentials> credentials, Object scope) {
+        Auth.Identity.AccessKeyAuth accessKeyAuth = Auth.Identity.AccessKeyAuth.create(
+                credentials.credentials().accessKey(),
+                credentials.credentials().secretKey());
+        return Auth.create(Auth.Identity.create(singletonList("application_credential"), null, null, accessKeyAuth), null);
+    }
+}

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v3/binders/BindPasswordAuthToJsonPayload.java

@@ -44,7 +44,7 @@ protected Auth buildAuth(TenantOrDomainAndCredentials<PasswordCredentials> crede
       DomainAuth domain = DomainAuth.create(credentials.tenantOrDomainName());
       UserAuth user = UserAuth.create(creds.username(), domain, creds.password());
 
-      return Auth.create(Identity.create(singletonList("password"), null, PasswordAuth.create(user)), scope);
+      return Auth.create(Identity.create(singletonList("password"), null, PasswordAuth.create(user), null), scope);
    }
 
 }

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v3/binders/BindTokenAuthToJsonPayload.java

@@ -39,7 +39,7 @@ public class BindTokenAuthToJsonPayload extends BindAuthToJsonPayload<TokenCrede
    @Override
    protected Auth buildAuth(TenantOrDomainAndCredentials<TokenCredentials> credentials, Object scope) {
       Id token = Id.create(credentials.credentials().id());
-      return Auth.create(Identity.create(singletonList("token"), token, null), scope);
+      return Auth.create(Identity.create(singletonList("token"), token, null, null), scope);
    }
 
 }

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v3/domain/Auth.java

@@ -45,9 +45,23 @@ public abstract static class Identity {
       @Nullable
       public abstract PasswordAuth password();
 
-      @SerializedNames({ "methods", "token", "password" })
-      public static Identity create(List<String> methods, Id token, PasswordAuth password) {
-         return new AutoValue_Auth_Identity(methods, token, password);
+      @Nullable
+      public abstract AccessKeyAuth secret();
+
+      @SerializedNames({ "methods", "token", "password", "application_credential" })
+      public static Identity create(List<String> methods, Id token, PasswordAuth password, AccessKeyAuth accessKeyAuth) {
+         return new AutoValue_Auth_Identity(methods, token, password, accessKeyAuth);
+      }
+
+      @AutoValue
+      public abstract static class AccessKeyAuth {
+         public abstract String id();
+         public abstract String secret();
+
+         @SerializedNames({ "id", "secret" })
+         public static AccessKeyAuth create(String id, String secret) {
+            return new AutoValue_Auth_Identity_AccessKeyAuth(id, secret);
+         }
       }
 
       @AutoValue