Add support for default pipeline on index settings (#3530)

(cherry picked from commit 801522e)

Author: Mpdreamz

src/Nest/IndexModules/IndexSettings/Settings/DynamicIndexSettings.cs

@@ -97,6 +97,13 @@ public interface IDynamicIndexSettings : IIsADictionary<string, object>
 		/// delayed with this dynamic setting, which defaults to 1m.
 		/// </summary>
 		Time UnassignedNodeLeftDelayedTimeout { get; set; }
+
+		/// <summary>
+		/// The default ingest node pipeline for this index. Index requests will fail if the default pipeline is set and
+		/// the pipeline does not exist. The default may be overridden using the pipeline parameter.
+		/// The special pipeline name _none indicates no ingest pipeline should be run.`
+		/// </summary>
+		string DefaultPipeline { get; set; }
 	}
 
 	/// <inheritdoc />
@@ -108,37 +115,37 @@ public DynamicIndexSettings() { }
 
 		public DynamicIndexSettings(IDictionary<string, object> container) : base(container) { }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.Analysis" />
 		public IAnalysis Analysis { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.AutoExpandReplicas" />
 		public AutoExpandReplicas AutoExpandReplicas { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksMetadata" />
 		public bool? BlocksMetadata { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksRead" />
 		public bool? BlocksRead { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksReadOnly" />
 		public bool? BlocksReadOnly { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksWrite" />
 		public bool? BlocksWrite { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.Merge" />
 		public IMergeSettings Merge { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.NumberOfReplicas" />
 		public int? NumberOfReplicas { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.Priority" />
 		public int? Priority { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.RecoveryInitialShards" />
 		public Union<int, RecoveryInitialShards> RecoveryInitialShards { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.RefreshInterval" />
 		public Time RefreshInterval
 		{
 			get => _refreshInterval;
@@ -149,31 +156,32 @@ public Time RefreshInterval
 			}
 		}
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.RequestsCacheEnabled" />
 		public bool? RequestsCacheEnabled { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.RoutingAllocationTotalShardsPerNode" />
 		public int? RoutingAllocationTotalShardsPerNode { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.Similarity" />
 		public ISimilarities Similarity { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.SlowLog" />
 		public ISlowLog SlowLog { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.Translog" />
 		public ITranslogSettings Translog { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IDynamicIndexSettings.UnassignedNodeLeftDelayedTimeout" />
 		public Time UnassignedNodeLeftDelayedTimeout { get; set; }
 
-		/// <summary>
-		/// Add any setting to the index
-		/// </summary>
+		/// <inheritdoc cref="IDynamicIndexSettings.DefaultPipeline" />
+		public string DefaultPipeline { get; set; }
+
+		/// <summary> Add any setting to the index </summary>
 		public void Add(string setting, object value) => BackingDictionary[setting] = value;
 	}
 
-	/// <inheritdoc cref="DynamicIndexSettings" />
+	/// <inheritdoc cref="IDynamicIndexSettings" />
 	public class DynamicIndexSettingsDescriptor : DynamicIndexSettingsDescriptorBase<DynamicIndexSettingsDescriptor, DynamicIndexSettings>
 	{
 		public DynamicIndexSettingsDescriptor() : base(new DynamicIndexSettings()) { }
@@ -194,64 +202,67 @@ public TDescriptor Setting(string setting, object value)
 			return (TDescriptor)this;
 		}
 
-		/// <inheritdoc cref="DynamicIndexSettings.NumberOfReplicas" />
+		/// <inheritdoc cref="IDynamicIndexSettings.NumberOfReplicas" />
 		public TDescriptor NumberOfReplicas(int? numberOfReplicas) => Assign(a => a.NumberOfReplicas = numberOfReplicas);
 
-		/// <inheritdoc cref="DynamicIndexSettings.AutoExpandReplicas" />
+		/// <inheritdoc cref="IDynamicIndexSettings.AutoExpandReplicas" />
 		public TDescriptor AutoExpandReplicas(AutoExpandReplicas autoExpandReplicas) => Assign(a => a.AutoExpandReplicas = autoExpandReplicas);
 
-		/// <inheritdoc cref="DynamicIndexSettings.BlocksMetadata" />
+		/// <inheritdoc cref="IDynamicIndexSettings.DefaultPipeline" />
+		public TDescriptor DefaultPipeline(string defaultPipeline) => Assign(a => a.DefaultPipeline = defaultPipeline);
+
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksMetadata" />
 		public TDescriptor BlocksMetadata(bool? blocksMetadata = true) => Assign(a => a.BlocksMetadata = blocksMetadata);
 
-		/// <inheritdoc cref="DynamicIndexSettings.BlocksRead" />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksRead" />
 		public TDescriptor BlocksRead(bool? blocksRead = true) => Assign(a => a.BlocksRead = blocksRead);
 
-		/// <inheritdoc cref="DynamicIndexSettings.BlocksReadOnly" />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksReadOnly" />
 		public TDescriptor BlocksReadOnly(bool? blocksReadOnly = true) => Assign(a => a.BlocksReadOnly = blocksReadOnly);
 
-		/// <inheritdoc cref="DynamicIndexSettings.BlocksWrite" />
+		/// <inheritdoc cref="IDynamicIndexSettings.BlocksWrite" />
 		public TDescriptor BlocksWrite(bool? blocksWrite = true) => Assign(a => a.BlocksWrite = blocksWrite);
 
-		/// <inheritdoc cref="DynamicIndexSettings.Priority" />
+		/// <inheritdoc cref="IDynamicIndexSettings.Priority" />
 		public TDescriptor Priority(int? priority) => Assign(a => a.Priority = priority);
 
-		/// <inheritdoc cref="DynamicIndexSettings.Merge" />
+		/// <inheritdoc cref="IDynamicIndexSettings.Merge" />
 		public TDescriptor Merge(Func<MergeSettingsDescriptor, IMergeSettings> merge) =>
 			Assign(a => a.Merge = merge?.Invoke(new MergeSettingsDescriptor()));
 
-		/// <inheritdoc cref="DynamicIndexSettings.RecoveryInitialShards" />
+		/// <inheritdoc cref="IDynamicIndexSettings.RecoveryInitialShards" />
 		public TDescriptor RecoveryInitialShards(Union<int, RecoveryInitialShards> initialShards) =>
 			Assign(a => a.RecoveryInitialShards = initialShards);
 
-		/// <inheritdoc cref="DynamicIndexSettings.RequestsCacheEnabled" />
+		/// <inheritdoc cref="IDynamicIndexSettings.RequestsCacheEnabled" />
 		public TDescriptor RequestsCacheEnabled(bool? enable = true) =>
 			Assign(a => a.RequestsCacheEnabled = enable);
 
-		/// <inheritdoc cref="DynamicIndexSettings.RefreshInterval" />
+		/// <inheritdoc cref="IDynamicIndexSettings.RefreshInterval" />
 		public TDescriptor RefreshInterval(Time time) => Assign(a => a.RefreshInterval = time);
 
 		// TODO: align name for 7.x
-		/// <inheritdoc cref="DynamicIndexSettings.RoutingAllocationTotalShardsPerNode" />
+		/// <inheritdoc cref="IDynamicIndexSettings.RoutingAllocationTotalShardsPerNode" />
 		public TDescriptor TotalShardsPerNode(int? totalShardsPerNode) =>
 			Assign(a => a.RoutingAllocationTotalShardsPerNode = totalShardsPerNode);
 
-		/// <inheritdoc cref="DynamicIndexSettings.SlowLog" />
+		/// <inheritdoc cref="IDynamicIndexSettings.SlowLog" />
 		public TDescriptor SlowLog(Func<SlowLogDescriptor, ISlowLog> slowLogSelector) =>
 			Assign(a => a.SlowLog = slowLogSelector?.Invoke(new SlowLogDescriptor()));
 
-		/// <inheritdoc cref="DynamicIndexSettings.Translog" />
+		/// <inheritdoc cref="IDynamicIndexSettings.Translog" />
 		public TDescriptor Translog(Func<TranslogSettingsDescriptor, ITranslogSettings> translogSelector) =>
 			Assign(a => a.Translog = translogSelector?.Invoke(new TranslogSettingsDescriptor()));
 
-		/// <inheritdoc cref="DynamicIndexSettings.UnassignedNodeLeftDelayedTimeout" />
+		/// <inheritdoc cref="IDynamicIndexSettings.UnassignedNodeLeftDelayedTimeout" />
 		public TDescriptor UnassignedNodeLeftDelayedTimeout(Time time) =>
 			Assign(a => a.UnassignedNodeLeftDelayedTimeout = time);
 
-		/// <inheritdoc cref="DynamicIndexSettings.Analysis" />
+		/// <inheritdoc cref="IDynamicIndexSettings.Analysis" />
 		public TDescriptor Analysis(Func<AnalysisDescriptor, IAnalysis> selector) =>
 			Assign(a => a.Analysis = selector?.Invoke(new AnalysisDescriptor()));
 
-		/// <inheritdoc cref="DynamicIndexSettings.Similarity" />
+		/// <inheritdoc cref="IDynamicIndexSettings.Similarity" />
 		public TDescriptor Similarity(Func<SimilaritiesDescriptor, IPromise<ISimilarities>> selector) =>
 			Assign(a => a.Similarity = selector?.Invoke(new SimilaritiesDescriptor())?.Value);
 	}

src/Nest/IndexModules/IndexSettings/Settings/IndexSettings.cs

@@ -44,6 +44,8 @@ public interface IIndexSettings : IDynamicIndexSettings
 		/// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/index-modules-index-sorting.html
 		/// </summary>
 		ISortingSettings Sorting { get; set; }
+
+
 	}
 
 	/// <inheritdoc cref="IIndexSettings" />
@@ -53,22 +55,22 @@ public IndexSettings() { }
 
 		public IndexSettings(IDictionary<string, object> container) : base(container) { }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.FileSystemStorageImplementation" />
 		public FileSystemStorageImplementation? FileSystemStorageImplementation { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.NumberOfRoutingShards" />
 		public int? NumberOfRoutingShards { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.NumberOfShards" />
 		public int? NumberOfShards { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.Queries" />
 		public IQueriesSettings Queries { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.RoutingPartitionSize" />
 		public int? RoutingPartitionSize { get; set; }
 
-		/// <inheritdoc />
+		/// <inheritdoc cref="IIndexSettings.Sorting" />
 		public ISortingSettings Sorting { get; set; }
 	}
 

src/Nest/IndexModules/IndexSettings/Settings/IndexSettingsConverter.cs

@@ -34,6 +34,7 @@ void Set(string knownKey, object newValue)
 
 			Set(NumberOfReplicas, ds.NumberOfReplicas);
 			Set(RefreshInterval, ds.RefreshInterval);
+			Set(DefaultPipeline, ds.DefaultPipeline);
 			Set(BlocksReadOnly, ds.BlocksReadOnly);
 			Set(BlocksRead, ds.BlocksRead);
 			Set(BlocksWrite, ds.BlocksWrite);
@@ -155,6 +156,8 @@ private static void SetKnownIndexSettings(JsonReader reader, JsonSerializer seri
 			Set<bool?>(s, settings, BlocksWrite, v => s.BlocksWrite = v);
 			Set<bool?>(s, settings, BlocksMetadata, v => s.BlocksMetadata = v);
 			Set<int?>(s, settings, Priority, v => s.Priority = v);
+			Set<string>(s, settings, DefaultPipeline, v => s.DefaultPipeline = v);
+
 			Set<Union<int, RecoveryInitialShards>>(s, settings, UpdatableIndexSettings.RecoveryInitialShards,
 				v => s.RecoveryInitialShards = v, serializer);
 			Set<bool?>(s, settings, RequestsCacheEnable, v => s.RequestsCacheEnabled = v);

src/Nest/IndexModules/IndexSettings/Settings/UpdatableIndexSettings.cs

@@ -33,6 +33,8 @@ public static class UpdatableIndexSettings
 		public const string RecoveryInitialShards = "index.recovery.initial_shards";
 		public const string RefreshInterval = "index.refresh_interval";
 
+		public const string DefaultPipeline = "index.default_pipeline";
+
 		public const string RequestsCacheEnable = "index.requests.cache.enable";
 		public const string RoutingAllocationDisableAllication = "index.routing.allocation.disable_allocation";
 		public const string RoutingAllocationDisableNewAllocation = "index.routing.allocation.disable_new_allocation";

src/Tests/Tests/IndexModules/IndexSettings/Settings/TypedIndexSettings.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using Nest;
+using Tests.Core.ManagedElasticsearch.NodeSeeders;
 using Tests.Framework;
 
 namespace Tests.IndexModules.IndexSettings.Settings
@@ -20,6 +21,7 @@ public class Usage : PromiseUsageTestBase<IIndexSettings, IndexSettingsDescripto
 				{ "enums", "offsets" },
 				{ "index.number_of_replicas", 2 },
 				{ "index.auto_expand_replicas", "1-3" },
+				{ "index.default_pipeline", "a-default-pipeline" },
 				{ "index.refresh_interval", -1 },
 				{ "index.blocks.read_only", true },
 				{ "index.blocks.read", true },
@@ -45,6 +47,7 @@ public class Usage : PromiseUsageTestBase<IIndexSettings, IndexSettingsDescripto
 				.Setting("enums", IndexOptions.Offsets)
 				.NumberOfShards(1)
 				.NumberOfReplicas(2)
+				.DefaultPipeline("a-default-pipeline")
 				.AutoExpandReplicas("1-3")
 				.BlocksMetadata()
 				.BlocksRead()
@@ -72,6 +75,7 @@ public class Usage : PromiseUsageTestBase<IIndexSettings, IndexSettingsDescripto
 				{
 					NumberOfShards = 1,
 					NumberOfReplicas = 2,
+					DefaultPipeline = "a-default-pipeline",
 					AutoExpandReplicas = "1-3",
 					BlocksMetadata = true,
 					BlocksRead = true,