Backports replicas change and rollover RTE cause handling (#328)

* Explicitly sets replicas and shards to 1 for ISM history indices (#318) * Handles remote transport exceptions in rollover (#325)
opendistro-for-elasticsearch · Nov 13, 2020 · 460b3ec · 460b3ec
1 parent c458f8c
commit 460b3ec
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Showing 3 changed files with 11 additions and 9 deletions.
diff --git a/...com/amazon/opendistroforelasticsearch/indexstatemanagement/IndexStateManagementHistory.kt b/...com/amazon/opendistroforelasticsearch/indexstatemanagement/IndexStateManagementHistory.kt
@@ -119,6 +119,7 @@ class IndexStateManagementHistory(
         val request = RolloverRequest(IndexStateManagementIndices.HISTORY_WRITE_INDEX_ALIAS, null)
         request.createIndexRequest.index(IndexStateManagementIndices.HISTORY_INDEX_PATTERN)
             .mapping(_DOC, IndexStateManagementIndices.indexStateManagementHistoryMappings, XContentType.JSON)
+            .settings(Settings.builder().put("index.number_of_shards", 1).put("index.number_of_replicas", 1))
         request.addMaxIndexDocsCondition(historyMaxDocs)
         request.addMaxIndexAgeCondition(historyMaxAge)
         val response = client.admin().indices().rolloversIndex(request).actionGet()

diff --git a/...com/amazon/opendistroforelasticsearch/indexstatemanagement/IndexStateManagementIndices.kt b/...com/amazon/opendistroforelasticsearch/indexstatemanagement/IndexStateManagementIndices.kt
@@ -32,6 +32,7 @@ import org.elasticsearch.action.support.master.AcknowledgedResponse
 import org.elasticsearch.client.Client
 import org.elasticsearch.client.IndicesAdminClient
 import org.elasticsearch.cluster.service.ClusterService
+import org.elasticsearch.common.settings.Settings
 import org.elasticsearch.common.xcontent.XContentType
 
 @OpenForTesting
@@ -104,6 +105,7 @@ class IndexStateManagementIndices(
         if (existsResponse.isExists) return true
 
         val request = CreateIndexRequest(index).mapping(_DOC, indexStateManagementHistoryMappings, XContentType.JSON)
+            .settings(Settings.builder().put("index.number_of_shards", 1).put("index.number_of_replicas", 1).build())
         if (alias != null) request.alias(Alias(alias))
         return try {
             val createIndexResponse: CreateIndexResponse = client.suspendUntil { client.create(request, it) }

diff --git a/...azon/opendistroforelasticsearch/indexstatemanagement/step/rollover/AttemptRolloverStep.kt b/...azon/opendistroforelasticsearch/indexstatemanagement/step/rollover/AttemptRolloverStep.kt
@@ -24,6 +24,7 @@ import com.amazon.opendistroforelasticsearch.indexstatemanagement.model.managedi
 import com.amazon.opendistroforelasticsearch.indexstatemanagement.step.Step
 import com.amazon.opendistroforelasticsearch.indexstatemanagement.util.evaluateConditions
 import org.apache.logging.log4j.LogManager
+import org.elasticsearch.ExceptionsHelper
 import org.elasticsearch.action.admin.indices.rollover.RolloverRequest
 import org.elasticsearch.action.admin.indices.rollover.RolloverResponse
 import org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest
@@ -33,6 +34,7 @@ import org.elasticsearch.cluster.service.ClusterService
 import org.elasticsearch.common.unit.ByteSizeValue
 import org.elasticsearch.common.unit.TimeValue
 import org.elasticsearch.rest.RestStatus
+import org.elasticsearch.transport.RemoteTransportException
 import java.time.Instant
 
 @Suppress("ReturnCount", "TooGenericExceptionCaught")
@@ -138,6 +140,8 @@ class AttemptRolloverStep(
                     if (conditions.isEmpty()) null else "conditions" to conditions // don't show empty conditions object if no conditions specified
                 ).toMap()
             }
+        } catch (e: RemoteTransportException) {
+            handleException(ExceptionsHelper.unwrapCause(e) as Exception)
         } catch (e: Exception) {
             handleException(e)
         }
@@ -173,21 +177,16 @@ class AttemptRolloverStep(
                 "message" to message,
                 "shard_failures" to statsResponse.shardFailures.map { it.getUsefulCauseString() }
             )
+        } catch (e: RemoteTransportException) {
+            handleException(ExceptionsHelper.unwrapCause(e) as Exception)
         } catch (e: Exception) {
-            val message = getFailedEvaluateMessage(indexName)
-            logger.error(message, e)
-            stepStatus = StepStatus.FAILED
-            val mutableInfo = mutableMapOf("message" to message)
-            val errorMessage = e.message
-            if (errorMessage != null) mutableInfo["cause"] = errorMessage
-            info = mutableInfo.toMap()
+            handleException(e, getFailedEvaluateMessage(indexName))
         }
 
         return null
     }
 
-    private fun handleException(e: Exception) {
-        val message = getFailedMessage(indexName)
+    private fun handleException(e: Exception, message: String = getFailedMessage(indexName)) {
         logger.error(message, e)
         stepStatus = StepStatus.FAILED
         val mutableInfo = mutableMapOf("message" to message)