adutra commented on code in PR #11809:
URL: https://github.com/apache/iceberg/pull/11809#discussion_r1889954336


##########
core/src/main/java/org/apache/iceberg/rest/auth/AuthManager.java:
##########
@@ -0,0 +1,108 @@
+/*
+ * 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.apache.iceberg.rest.auth;
+
+import java.util.Map;
+import org.apache.iceberg.catalog.SessionCatalog;
+import org.apache.iceberg.catalog.TableIdentifier;
+import org.apache.iceberg.rest.RESTClient;
+
+/**
+ * Manager for authentication sessions. This interface is used to create 
sessions for the catalog,
+ * the tables/views, and any other context that requires authentication.
+ *
+ * <p>Managers are usually stateful and may require initialization and 
cleanup. The manager is
+ * created by the catalog and is closed when the catalog is closed.
+ */
+public interface AuthManager extends AutoCloseable {
+
+  /**
+   * Returns a temporary session to use for contacting the configuration 
endpoint only. Note that
+   * the returned session will be closed after the configuration endpoint is 
contacted, and should
+   * not be cached.
+   *
+   * <p>The provided REST client is a short-lived client; it should only be 
used to fetch initial
+   * credentials, if required, and must be discarded after that.
+   *
+   * <p>This method cannot return null. By default, it returns the catalog 
session.
+   */
+  default AuthSession initSession(RESTClient initClient, Map<String, String> 
properties) {
+    return mainSession(initClient, properties);
+  }
+
+  /**
+   * Returns a long-lived session whose lifetime is tied to the owning 
catalog. This session serves
+   * as the parent session for all other sessions (contextual and 
table-specific). It is closed when
+   * the owning catalog is closed.
+   *
+   * <p>The provided REST client is a long-lived, shared client; if required, 
implementors may store
+   * it and reuse it for all subsequent requests to the authorization server, 
e.g. for renewing or
+   * refreshing credentials. It is not necessary to close it when {@link 
#close()} is called.
+   *
+   * <p>This method cannot return null.
+   *
+   * <p>It is not required to cache the returned session internally, as the 
catalog will keep it
+   * alive for the lifetime of the catalog.
+   */
+  AuthSession mainSession(RESTClient sharedClient, Map<String, String> 
properties);

Review Comment:
   Ah sorry I forgot to start this discussion :-)
   
   But wdyt about components like the signer and the credential refreshers? 
They will also use the auth manager. But in those places, it doesn't make sense 
to talk about a "catalog" session. WDYT?



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For additional commands, e-mail: issues-h...@iceberg.apache.org

Reply via email to