Adds point in time APIs (opensearch-project#461)

* Adds point in time APIs Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Add version check for Point in time tests Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Update point in time namespace Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Update point in time to pit everywhere Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Update USER_GUIDE.md Co-authored-by: Andriy Redko <drreta@gmail.com> Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Update USER_GUIDE.md Co-authored-by: Andriy Redko <drreta@gmail.com> Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> * Using AssumeTrue for tests for PIT Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> --------- Signed-off-by: Harsha Vamsi Kalluri <harshavamsi096@gmail.com> Co-authored-by: Andriy Redko <drreta@gmail.com> (cherry picked from commit 4ceb43b)
harshavamsi · May 4, 2023 · 48bfeab · 48bfeab
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,7 +1,27 @@
 # CHANGELOG
 Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Unreleased]
+## [Unreleased 3.0]
+
+### Added
+- Document HTTP/2 support ([#330](https://github.com/opensearch-project/opensearch-java/pull/330))
+- Added Point-In-Time APIs ([#461](https://github.com/opensearch-project/opensearch-java/pull/461))
+
+### Dependencies
+- Bumps `org.ajoberstar.grgit:grgit-gradle` from 5.0.0 to 5.2.0
+### Changed
+- Migrate client transports to Apache HttpClient / Core 5.x ([#246](https://github.com/opensearch-project/opensearch-java/pull/246))
+
+### Deprecated
+
+### Removed
+
+### Fixed
+- Fix version and build ([#254](https://github.com/opensearch-project/opensearch-java/pull/254))
+
+### Security
+
+## [Unreleased 2.x]
 
 ### Added
 - Add workflow to publish snapshots via GHA ([#454](https://github.com/opensearch-project/opensearch-java/pull/454))

diff --git a/USER_GUIDE.md b/USER_GUIDE.md
@@ -20,10 +20,21 @@
     - [Get data stream](#get-data-stream)
     - [Data stream stats](#data-stream-stats)
     - [Delete data stream and backing indices](#delete-data-stream-and-backing-indices)
+<<<<<<< HEAD
+=======
+  - [Point-In-Time API](#point-in-time-api)
+    - [Creating a point in time](#creating-a-point-in-time)
+    - [List all point in time](#list-all-point-in-time)
+    - [Delete point in time](#delete-point-in-time)
+>>>>>>> 4ceb43b0 (Adds point in time APIs (#461))
   - [Cat API](#cat-api)
     - [Cat Indices](#cat-indices)
     - [Cat aliases](#cat-aliases)
     - [Cat nodes](#cat-nodes)
+<<<<<<< HEAD
+=======
+    - [Cat point in time segments](#cat-point-in-time-segments)
+>>>>>>> 4ceb43b0 (Adds point in time APIs (#461))
 - [Using different transport options](#using-different-transport-options)
   - [Amazon Managed OpenSearch](#amazon-managed-opensearch)
 
@@ -255,6 +266,42 @@ DeleteDataStreamRequest deleteDataStreamRequest = new DeleteDataStreamRequest.Bu
 DeleteDataStreamResponse deleteDataStreamResponse = javaClient().indices().deleteDataStream(deleteDataStreamRequest);
 ```
 
+## Point-In-Time API
+
+### Creating a point in time
+
+Creates a PIT. The keep_alive query parameter is required; it specifies how long to keep a PIT.
+
+```java
+CreatePitRequest createPitRequest = new CreatePitRequest.Builder()
+                .targetIndexes(Collections.singletonList(index))
+                .keepAlive(new Time.Builder().time("100m").build()).build();
+
+CreatePitResponse createPitResponse = javaClient()
+                .createPit(createPitRequest);                
+```
+
+### List all point in time
+
+Returns all PITs in the OpenSearch cluster.
+
+```java
+ListAllPitResponse listAllPitResponse = javaClient().listAllPit();
+```
+
+### Delete point in time
+
+Deletes one, several, or all PITs. PITs are automatically deleted when the keep_alive time period elapses. However, to deallocate resources, you can delete a PIT using the Delete PIT API. The Delete PIT API supports deleting a list of PITs by ID or deleting all PITs at once.
+
+```java
+DeletePitRequest deletePitRequest = new DeletePitRequest.Builder()
+                .pitId(Collections.singletonList("pit_id")).build();
+
+DeletePitResponse deletePitResponse = javaClient()
+                .deletePit(deletePitRequest);
+```
+
+
 ## Cat API
 
 ### Cat Indices
@@ -280,6 +327,13 @@ The following sample code cat nodes sorted by cpu
 NodesResponse nodesResponse = javaClient().cat().nodes(r -> r.sort("cpu"));
 ```
 
+### Cat point in time segments
+Similarly to the CAT Segments API, the PIT Segments API provides low-level information about the disk utilization of a PIT by describing its Lucene segments. 
+```java
+SegmentsResponse pitSegmentsResponse = javaClient().cat()
+                .pitSegments(r -> r.headers("index,shard,id,segment,size"));
+```
+
 # Using different transport options
 
 ## Amazon Managed OpenSearch

diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/OpenSearchAsyncClient.java b/java-client/src/main/java/org/opensearch/client/opensearch/OpenSearchAsyncClient.java
@@ -116,6 +116,12 @@
 import org.opensearch.client.opensearch.core.UpdateByQueryRethrottleResponse;
 import org.opensearch.client.opensearch.core.UpdateRequest;
 import org.opensearch.client.opensearch.core.UpdateResponse;
+import org.opensearch.client.opensearch.core.pit.CreatePitRequest;
+import org.opensearch.client.opensearch.core.pit.CreatePitResponse;
+import org.opensearch.client.opensearch.core.pit.DeletePitRequest;
+import org.opensearch.client.opensearch.core.pit.DeletePitResponse;
+import org.opensearch.client.opensearch.core.pit.ListAllPitRequest;
+import org.opensearch.client.opensearch.core.pit.ListAllPitResponse;
 import org.opensearch.client.opensearch.dangling_indices.OpenSearchDanglingIndicesAsyncClient;
 import org.opensearch.client.opensearch.features.OpenSearchFeaturesAsyncClient;
 import org.opensearch.client.opensearch.indices.OpenSearchIndicesAsyncClient;
@@ -362,6 +368,39 @@ public final <TDocument> CompletableFuture<CreateResponse> create(
 		return create(fn.apply(new CreateRequest.Builder<TDocument>()).build());
 	}
 
+	// ----- Endpoint: create_point_in_time
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 *
+	 */
+
+	public CompletableFuture<CreatePitResponse> createPit(CreatePitRequest request)
+			throws IOException, OpenSearchException {
+		@SuppressWarnings("unchecked")
+		JsonEndpoint<CreatePitRequest, CreatePitResponse, ErrorResponse> endpoint = (JsonEndpoint<CreatePitRequest, CreatePitResponse, ErrorResponse>) CreatePitRequest._ENDPOINT;
+
+		return this.transport.performRequestAsync(request, endpoint, this.transportOptions);
+	}
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 * @param fn
+	 *           a function that initializes a builder to create the
+	 *           {@link CreatePitRequest}
+	 *
+	 */
+
+	public final CompletableFuture<CreatePitResponse> createPit(
+			Function<CreatePitRequest.Builder, ObjectBuilder<CreatePitRequest>> fn)
+			throws IOException, OpenSearchException {
+		return createPit(fn.apply(new CreatePitRequest.Builder()).build());
+	}
+
 	// ----- Endpoint: delete
 
 	/**
@@ -393,6 +432,37 @@ public final CompletableFuture<DeleteResponse> delete(
 		return delete(fn.apply(new DeleteRequest.Builder()).build());
 	}
 
+	// ----- Endpoint: delete_point_in_time
+
+	/**
+	 * Delete Point In Time
+	 * 
+	 *
+	 */
+
+	public CompletableFuture<DeletePitResponse> deletePit(DeletePitRequest request)
+			throws IOException, OpenSearchException {
+		@SuppressWarnings("unchecked")
+		JsonEndpoint<DeletePitRequest, DeletePitResponse, ErrorResponse> endpoint = (JsonEndpoint<DeletePitRequest, DeletePitResponse, ErrorResponse>) DeletePitRequest._ENDPOINT;
+
+		return this.transport.performRequestAsync(request, endpoint, this.transportOptions);
+	}
+
+	/**
+	 * Delete Point In Time
+	 * 
+	 * @param fn
+	 *           a function that initializes a builder to create the
+	 *           {@link DeletePitRequest}
+	 *
+	 */
+
+	public final CompletableFuture<DeletePitResponse> deletePit(
+			Function<DeletePitRequest.Builder, ObjectBuilder<DeletePitRequest>> fn)
+			throws IOException, OpenSearchException {
+		return deletePit(fn.apply(new DeletePitRequest.Builder()).build());
+	}
+
 	// ----- Endpoint: delete_by_query
 
 	/**
@@ -801,6 +871,20 @@ public CompletableFuture<InfoResponse> info() throws IOException, OpenSearchExce
 		return this.transport.performRequestAsync(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
 	}
 
+	// ----- Endpoint: list_point_in_time
+
+	/**
+	 * List all Point In Time
+	 * 
+	 *
+	 */
+
+	public CompletableFuture<ListAllPitResponse> listAllPit()
+			throws IOException, OpenSearchException {
+		return this.transport.performRequestAsync(ListAllPitRequest._INSTANCE, ListAllPitRequest._ENDPOINT,
+				this.transportOptions);
+	}
+
 	// ----- Endpoint: mget
 
 	/**

diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/OpenSearchClient.java b/java-client/src/main/java/org/opensearch/client/opensearch/OpenSearchClient.java
@@ -116,6 +116,12 @@
 import org.opensearch.client.opensearch.core.UpdateByQueryRethrottleResponse;
 import org.opensearch.client.opensearch.core.UpdateRequest;
 import org.opensearch.client.opensearch.core.UpdateResponse;
+import org.opensearch.client.opensearch.core.pit.CreatePitRequest;
+import org.opensearch.client.opensearch.core.pit.CreatePitResponse;
+import org.opensearch.client.opensearch.core.pit.DeletePitRequest;
+import org.opensearch.client.opensearch.core.pit.DeletePitResponse;
+import org.opensearch.client.opensearch.core.pit.ListAllPitRequest;
+import org.opensearch.client.opensearch.core.pit.ListAllPitResponse;
 import org.opensearch.client.opensearch.dangling_indices.OpenSearchDanglingIndicesClient;
 import org.opensearch.client.opensearch.features.OpenSearchFeaturesClient;
 import org.opensearch.client.opensearch.indices.OpenSearchIndicesClient;
@@ -359,6 +365,39 @@ public final <TDocument> CreateResponse create(
 		return create(fn.apply(new CreateRequest.Builder<TDocument>()).build());
 	}
 
+	// ----- Endpoint: create_point_in_time
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 *
+	 */
+
+	public CreatePitResponse createPit(CreatePitRequest request)
+			throws IOException, OpenSearchException {
+		@SuppressWarnings("unchecked")
+		JsonEndpoint<CreatePitRequest, CreatePitResponse, ErrorResponse> endpoint = (JsonEndpoint<CreatePitRequest, CreatePitResponse, ErrorResponse>) CreatePitRequest._ENDPOINT;
+
+		return this.transport.performRequest(request, endpoint, this.transportOptions);
+	}
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 * @param fn
+	 *           a function that initializes a builder to create the
+	 *           {@link CreatePitRequest}
+	 *
+	 */
+
+	public final CreatePitResponse createPit(
+			Function<CreatePitRequest.Builder, ObjectBuilder<CreatePitRequest>> fn)
+			throws IOException, OpenSearchException {
+		return createPit(fn.apply(new CreatePitRequest.Builder()).build());
+	}
+
 	// ----- Endpoint: delete
 
 	/**
@@ -389,6 +428,37 @@ public final DeleteResponse delete(Function<DeleteRequest.Builder, ObjectBuilder
 		return delete(fn.apply(new DeleteRequest.Builder()).build());
 	}
 
+	// ----- Endpoint: delete_point_in_time
+
+	/**
+	 * Delete Point In Time
+	 * 
+	 *
+	 */
+
+	public DeletePitResponse deletePit(DeletePitRequest request)
+			throws IOException, OpenSearchException {
+		@SuppressWarnings("unchecked")
+		JsonEndpoint<DeletePitRequest, DeletePitResponse, ErrorResponse> endpoint = (JsonEndpoint<DeletePitRequest, DeletePitResponse, ErrorResponse>) DeletePitRequest._ENDPOINT;
+
+		return this.transport.performRequest(request, endpoint, this.transportOptions);
+	}
+
+	/**
+	 * Delete Point In Time
+	 * 
+	 * @param fn
+	 *           a function that initializes a builder to create the
+	 *           {@link DeletePitRequest}
+	 *
+	 */
+
+	public final DeletePitResponse deletePit(
+			Function<DeletePitRequest.Builder, ObjectBuilder<DeletePitRequest>> fn)
+			throws IOException, OpenSearchException {
+		return deletePit(fn.apply(new DeletePitRequest.Builder()).build());
+	}
+
 	// ----- Endpoint: delete_by_query
 
 	/**
@@ -790,6 +860,19 @@ public InfoResponse info() throws IOException, OpenSearchException {
 		return this.transport.performRequest(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
 	}
 
+	// ----- Endpoint: list_point_in_time
+
+	/**
+	 * List all Point In Time
+	 * 
+	 *
+	 */
+
+	public ListAllPitResponse listAllPit()
+			throws IOException, OpenSearchException {
+			return this.transport.performRequest(ListAllPitRequest._INSTANCE, ListAllPitRequest._ENDPOINT, this.transportOptions);
+	}
+
 	// ----- Endpoint: mget
 
 	/**

diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/cat/OpenSearchCatAsyncClient.java b/java-client/src/main/java/org/opensearch/client/opensearch/cat/OpenSearchCatAsyncClient.java
@@ -426,6 +426,20 @@ public CompletableFuture<NodesResponse> nodes() throws IOException, OpenSearchEx
 				this.transportOptions);
 	}
 
+	// ----- Endpoint: cat.point_in_time_segments
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 *
+	 */
+	public CompletableFuture<SegmentsResponse> pitSegments() throws IOException, OpenSearchException {
+		return this.transport.performRequestAsync(new PitSegmentsRequest.Builder().build(),
+				PitSegmentsRequest._ENDPOINT,
+				this.transportOptions);
+	}
+
 	// ----- Endpoint: cat.pending_tasks
 
 	/**

diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/cat/OpenSearchCatClient.java b/java-client/src/main/java/org/opensearch/client/opensearch/cat/OpenSearchCatClient.java
@@ -414,6 +414,47 @@ public NodesResponse nodes() throws IOException, OpenSearchException {
 				this.transportOptions);
 	}
 
+	// ----- Endpoint: cat.point_in_time_segments
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 *
+	 */
+	public SegmentsResponse pitSegments(PitSegmentsRequest request)
+			throws IOException, OpenSearchException {
+		@SuppressWarnings("unchecked")
+		JsonEndpoint<PitSegmentsRequest, SegmentsResponse, ErrorResponse> endpoint = (JsonEndpoint<PitSegmentsRequest, SegmentsResponse, ErrorResponse>) PitSegmentsRequest._ENDPOINT;
+
+		return this.transport.performRequest(request, endpoint, this.transportOptions);
+	}
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 * * @param fn
+	 * a function that initializes a builder to create the
+	 * {@link PitSegmentsRequest}
+	 */
+
+	public final SegmentsResponse pitSegments(Function<PitSegmentsRequest.Builder, ObjectBuilder<PitSegmentsRequest>> fn)
+			throws IOException, OpenSearchException {
+		return pitSegments(fn.apply(new PitSegmentsRequest.Builder()).build());
+	}
+
+	/**
+	 * Provides low-level information about the disk utilization of a PIT by
+	 * describing its Lucene segments.
+	 * 
+	 */
+	public SegmentsResponse pitSegments() throws IOException, OpenSearchException {
+		return this.transport.performRequest(new PitSegmentsRequest.Builder().build(), 
+				PitSegmentsRequest._ENDPOINT,
+				this.transportOptions);
+	}
+
 	// ----- Endpoint: cat.pending_tasks
 
 	/**