Merge pull request #1493 from elastic/fix/snapshot-version

fix #1485 add support for version on snapshot info

Author: gmarz

src/Nest/Domain/Repository/Snapshot.cs

@@ -37,6 +37,12 @@ public class Snapshot
 		[JsonProperty("failures")]
 		public IEnumerable<SnapshotShardFailure> ShardFailures { get; internal set; }
 
+		[JsonProperty("version_id")]
+		public int VersionId { get; internal set;  }
+
+		[JsonProperty("version")]
+		public string Version { get; internal set;  }
+
 		/// <summary>
 		/// Contains the reason for each shard failure.
 		/// </summary>

src/Tests/Nest.Tests.Integration/Core/Repository/RestoreTests.cs

@@ -71,6 +71,9 @@ public void SnapshotRestore()
 			snapshotResponse.IsValid.Should().BeTrue();
 			snapshotResponse.Accepted.Should().BeTrue();
 			snapshotResponse.Snapshot.Should().NotBeNull();
+			if (ElasticsearchConfiguration.CurrentVersion >= new Version("1.7.0"))
+				snapshotResponse.Snapshot.VersionId.Should().BeGreaterThan(0);
+
 			snapshotResponse.Snapshot.EndTimeInMilliseconds.Should().BeGreaterThan(0);
 			snapshotResponse.Snapshot.StartTime.Should().BeAfter(DateTime.UtcNow.AddDays(-1));