Add support for component template APIs (#411)

* Generate `cluster.put_component_template`

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level DeleteComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Remove old put_component_template

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level GetComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for DeleteComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for GetComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level PutComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add component template CRUD tests

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add naming convention exception for ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Update guide

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Formatting

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add changelog entry

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license header

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix namespaces

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license header

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

---------

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

CHANGELOG.md

@@ -8,6 +8,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Added
 - Added support for point-in-time search and associated APIs ([#405](https://github.com/opensearch-project/opensearch-net/pull/405))
+- Added support for the component template APIs ([#411](https://github.com/opensearch-project/opensearch-net/pull/411))
 
 ### Removed
 - Removed the `Features` API which is not supported by OpenSearch from the low-level client ([#331](https://github.com/opensearch-project/opensearch-net/pull/331))

guides/index-template.md

@@ -116,22 +116,19 @@ Composable index templates are a new type of index template that allow you to de
 
 ```csharp
 // Create a component template
-var createResponse = client.LowLevel.Cluster.PutComponentTemplate<VoidResponse>("books_mappings", PostData.Serializable(new
-{
-    template = new
-    {
-        mappings = new
-        {
-            properties = new
-            {
-                title = new { type = "text" },
-                author = new { type = "text" },
-                published_on = new { type = "date" },
-                pages = new { type = "integer" }
-            }
-        }
-    }
-}));
+client.Cluster.PutComponentTemplate("books_mappings", ct => ct
+    .Template(t => t
+        .Map(m => m
+            .Properties(p => p
+                .Text(tp => tp
+                    .Name("title"))
+                .Text(tp => tp
+                    .Name("author"))
+                .Date(d => d
+                    .Name("published_on"))
+                .Number(n => n
+                    .Name("pages")
+                    .Type(NumberType.Integer))))));
 
 // Create an index template for "books"
 var createBooksTemplateResponse = client.LowLevel.Indices.PutTemplateV2ForAll<VoidResponse>("books", PostData.Serializable(new
@@ -178,7 +175,6 @@ When we create an index named `books-fiction-horror`, OpenSearch will apply the
 client.Indices.Create("books-fiction-horror");
 var getResponse = client.Indices.Get("books-fiction-horror");
 Console.WriteLine(getResponse.Indices["books-fiction-horror"].Settings.NumberOfShards); // 1 Console.WriteLine(getResponse.Indices["books-fiction-horror"].Mappings.Properties["pages"].Type); // integer 
-Console.WriteLine($"Create response: {componentTemplateCreateResponse}"); // Create response: {"acknowledged":true}
 ```
 
 ### Get an Index Template
@@ -204,5 +200,5 @@ Let's delete all resources created in this guide:
 ```csharp
 client.Indices.Delete("books-");
 client.LowLevel.Indices.DeleteTemplateV2ForAll("books-fiction");
-client.LowLevel.Cluster.DeleteComponentTemplate("books_mappings");
-```
+client.Cluster.DeleteComponentTemplate("books_mappings");
+```

src/ApiGenerator/Configuration/CodeConfiguration.cs

@@ -43,14 +43,13 @@ public static class CodeConfiguration
 			new("{delete,get}_all_pits"),
 
 			new("cluster.allocation_explain"),
-			new("cluster.delete_component_template"),
 			new("cluster.delete_voting_config_exclusions"),
-			new("cluster.exists_component_template"),
-			new("cluster.get_component_template"),
 			new("cluster.get_settings"),
 			new("cluster.health"),
 			new("cluster.pending_tasks"),
 
+			new("cluster.*_component_template"),
+
 			new("dangling_indices.*"),
 			new("ingest.*"),
             new("nodes.*"),

src/OpenSearch.Client/Cluster/ComponentTemplate/ComponentTemplate.cs

@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+using OpenSearch.Net.Utf8Json;
+
+namespace OpenSearch.Client;
+
+[ReadAs(typeof(ComponentTemplate))]
+public interface IComponentTemplate
+{
+	[DataMember(Name = "template")]
+	ITemplate Template { get; set; }
+
+	[DataMember(Name = "version")]
+	long? Version { get; set; }
+
+	[DataMember(Name = "_meta")]
+	[JsonFormatter(typeof(VerbatimDictionaryInterfaceKeysFormatter<string, object>))]
+	IDictionary<string, object> Meta { get; set; }
+}
+
+public class ComponentTemplate : IComponentTemplate
+{
+	public ITemplate Template { get; set; }
+	public long? Version { get; set; }
+	public IDictionary<string, object> Meta { get; set; }
+}
+
+[ReadAs(typeof(Template))]
+public interface ITemplate
+{
+	[DataMember(Name = "aliases")]
+	IAliases Aliases { get; set; }
+
+	[DataMember(Name = "mappings")]
+	ITypeMapping Mappings { get; set; }
+
+	[DataMember(Name = "settings")]
+	IIndexSettings Settings { get; set; }
+}
+
+public class Template : ITemplate
+{
+	public IAliases Aliases { get; set; }
+	public ITypeMapping Mappings { get; set; }
+	public IIndexSettings Settings { get; set; }
+}
+
+public class TemplateDescriptor : DescriptorBase<TemplateDescriptor, ITemplate>, ITemplate
+{
+	IAliases ITemplate.Aliases { get; set; }
+	ITypeMapping ITemplate.Mappings { get; set; }
+	IIndexSettings ITemplate.Settings { get; set; }
+
+	public TemplateDescriptor Aliases(Func<AliasesDescriptor, IPromise<IAliases>> aliasDescriptor) =>
+		Assign(aliasDescriptor, (a, v) => a.Aliases = v?.Invoke(new AliasesDescriptor())?.Value);
+
+	public TemplateDescriptor Map<T>(Func<TypeMappingDescriptor<T>, ITypeMapping> selector) where T : class =>
+		Assign(selector, (a, v) => a.Mappings = v?.Invoke(new TypeMappingDescriptor<T>()));
+
+	public TemplateDescriptor Map(Func<TypeMappingDescriptor<object>, ITypeMapping> selector) =>
+		Assign(selector, (a, v) => a.Mappings = v?.Invoke(new TypeMappingDescriptor<object>()));
+
+	public TemplateDescriptor Settings(Func<IndexSettingsDescriptor, IPromise<IIndexSettings>> settingsSelector) =>
+		Assign(settingsSelector, (a, v) => a.Settings = v?.Invoke(new IndexSettingsDescriptor())?.Value);
+}

src/OpenSearch.Client/Cluster/ComponentTemplate/ComponentTemplateExistsRequest.cs

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+namespace OpenSearch.Client;
+
+[MapsApi("cluster.exists_component_template")]
+public partial interface IComponentTemplateExistsRequest { }
+
+public partial class ComponentTemplateExistsRequest { }
+
+public partial class ComponentTemplateExistsDescriptor { }

src/OpenSearch.Client/Cluster/ComponentTemplate/DeleteComponentTemplateRequest.cs

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+namespace OpenSearch.Client;
+
+[MapsApi("cluster.delete_component_template")]
+public partial interface IDeleteComponentTemplateRequest { }
+
+public partial class DeleteComponentTemplateRequest { }
+
+public partial class DeleteComponentTemplateDescriptor { }

src/OpenSearch.Client/Cluster/ComponentTemplate/DeleteComponentTemplateResponse.cs

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+using System.Runtime.Serialization;
+
+namespace OpenSearch.Client;
+
+[DataContract]
+public class DeleteComponentTemplateResponse : AcknowledgedResponseBase { }

src/OpenSearch.Client/Cluster/ComponentTemplate/GetComponentTemplateRequest.cs

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+namespace OpenSearch.Client;
+
+[MapsApi("cluster.get_component_template")]
+public partial interface IGetComponentTemplateRequest { }
+
+public partial class GetComponentTemplateRequest { }
+
+public partial class GetComponentTemplateDescriptor { }

src/OpenSearch.Client/Cluster/ComponentTemplate/GetComponentTemplateResponse.cs

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+
+namespace OpenSearch.Client;
+
+[DataContract]
+public class GetComponentTemplateResponse : ResponseBase
+{
+	[DataMember(Name = "component_templates")]
+	public IReadOnlyCollection<NamedComponentTemplate> ComponentTemplates { get; internal set; }
+}
+
+[DataContract]
+public class NamedComponentTemplate
+{
+	[DataMember(Name = "name")]
+	public string Name { get; internal set; }
+
+	[DataMember(Name = "component_template")]
+	public ComponentTemplate ComponentTemplate { get; internal set; }
+}

src/OpenSearch.Client/Cluster/ComponentTemplate/PutComponentTemplateRequest.cs

@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+using System;
+using System.Collections.Generic;
+
+namespace OpenSearch.Client;
+
+[MapsApi("cluster.put_component_template")]
+public partial interface IPutComponentTemplateRequest : IComponentTemplate { }
+
+public partial class PutComponentTemplateRequest
+{
+	public ITemplate Template { get; set; }
+	public long? Version { get; set; }
+	public IDictionary<string, object> Meta { get; set; }
+}
+
+public partial class PutComponentTemplateDescriptor
+{
+	ITemplate IComponentTemplate.Template { get; set; }
+	long? IComponentTemplate.Version { get; set; }
+	IDictionary<string, object> IComponentTemplate.Meta { get; set; }
+
+	public PutComponentTemplateDescriptor Version(long? version) => Assign(version, (a, v) => a.Version = v);
+
+	public PutComponentTemplateDescriptor Meta(Func<FluentDictionary<string, object>, FluentDictionary<string, object>> metaSelector) =>
+		Assign(metaSelector(new FluentDictionary<string, object>()), (a, v) => a.Meta = v);
+
+	public PutComponentTemplateDescriptor Meta(Dictionary<string, object> metaDictionary) => Assign(metaDictionary, (a, v) => a.Meta = v);
+
+	public PutComponentTemplateDescriptor Template(Func<TemplateDescriptor, ITemplate> selector) =>
+		Assign(selector, (a, v) => a.Template = v?.Invoke(new TemplateDescriptor()));
+}

src/OpenSearch.Client/Cluster/ComponentTemplate/PutComponentTemplateResponse.cs

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+using System.Runtime.Serialization;
+
+namespace OpenSearch.Client;
+
+[DataContract]
+public class PutComponentTemplateResponse : AcknowledgedResponseBase { }

src/OpenSearch.Client/Indices/IndexManagement/IndicesExists/ExistsResponse.cs

@@ -28,11 +28,10 @@
 
 using System.Runtime.Serialization;
 
-namespace OpenSearch.Client
+namespace OpenSearch.Client;
+
+[DataContract]
+public class ExistsResponse : ResponseBase
 {
-	[DataContract]
-	public class ExistsResponse : ResponseBase
-	{
-		public bool Exists => ApiCall != null && ApiCall.Success && ApiCall.HttpStatusCode == 200;
-	}
+	public bool Exists => ApiCall is { Success: true, HttpStatusCode: 200 };
 }

src/OpenSearch.Client/_Generated/ApiUrlsLookup.cs

@@ -48,9 +48,18 @@ internal static partial class ApiUrlsLookups
         internal static readonly ApiUrls ClusterAllocationExplain =
             new(new[] { "_cluster/allocation/explain" });
 
+        internal static readonly ApiUrls ClusterDeleteComponentTemplate =
+            new(new[] { "_component_template/{name}" });
+
         internal static readonly ApiUrls ClusterDeleteVotingConfigExclusions =
             new(new[] { "_cluster/voting_config_exclusions" });
 
+        internal static readonly ApiUrls ClusterComponentTemplateExists =
+            new(new[] { "_component_template/{name}" });
+
+        internal static readonly ApiUrls ClusterGetComponentTemplate =
+            new(new[] { "_component_template", "_component_template/{name}" });
+
         internal static readonly ApiUrls ClusterGetSettings = new(new[] { "_cluster/settings" });
 
         internal static readonly ApiUrls ClusterHealth =
@@ -59,6 +68,9 @@ internal static partial class ApiUrlsLookups
         internal static readonly ApiUrls ClusterPendingTasks =
             new(new[] { "_cluster/pending_tasks" });
 
+        internal static readonly ApiUrls ClusterPutComponentTemplate =
+            new(new[] { "_component_template/{name}" });
+
         internal static readonly ApiUrls NoNamespaceCreatePit =
             new(new[] { "{index}/_search/point_in_time" });