Add jvm aware setting and max num docs settings for batching docs for…

… percolate queries (#1435)

* add jvm aware and max docs settings for batching docs for percolate queries

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

* fix stats logging

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

* add queryfieldnames field in findings mapping

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

---------

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

alerting/src/main/kotlin/org/opensearch/alerting/AlertingPlugin.kt

@@ -6,15 +6,14 @@
 package org.opensearch.alerting
 
 import org.opensearch.action.ActionRequest
-import org.opensearch.action.ActionResponse
 import org.opensearch.alerting.action.ExecuteMonitorAction
+import org.opensearch.alerting.action.ExecuteWorkflowAction
 import org.opensearch.alerting.action.GetDestinationsAction
 import org.opensearch.alerting.action.GetEmailAccountAction
 import org.opensearch.alerting.action.GetEmailGroupAction
-import org.opensearch.alerting.action.GetMonitorAction
+import org.opensearch.alerting.action.GetRemoteIndexesAction
 import org.opensearch.alerting.action.SearchEmailAccountAction
 import org.opensearch.alerting.action.SearchEmailGroupAction
-import org.opensearch.alerting.action.SearchMonitorAction
 import org.opensearch.alerting.alerts.AlertIndices
 import org.opensearch.alerting.core.JobSweeper
 import org.opensearch.alerting.core.ScheduledJobIndices
@@ -33,25 +32,37 @@ import org.opensearch.alerting.resthandler.RestGetEmailAccountAction
 import org.opensearch.alerting.resthandler.RestGetEmailGroupAction
 import org.opensearch.alerting.resthandler.RestGetFindingsAction
 import org.opensearch.alerting.resthandler.RestGetMonitorAction
+import org.opensearch.alerting.resthandler.RestGetRemoteIndexesAction
+import org.opensearch.alerting.resthandler.RestGetWorkflowAction
+import org.opensearch.alerting.resthandler.RestGetWorkflowAlertsAction
 import org.opensearch.alerting.resthandler.RestIndexMonitorAction
+import org.opensearch.alerting.resthandler.RestIndexWorkflowAction
 import org.opensearch.alerting.resthandler.RestSearchEmailAccountAction
 import org.opensearch.alerting.resthandler.RestSearchEmailGroupAction
 import org.opensearch.alerting.resthandler.RestSearchMonitorAction
 import org.opensearch.alerting.script.TriggerScript
+import org.opensearch.alerting.service.DeleteMonitorService
 import org.opensearch.alerting.settings.AlertingSettings
 import org.opensearch.alerting.settings.DestinationSettings
 import org.opensearch.alerting.settings.LegacyOpenDistroAlertingSettings
 import org.opensearch.alerting.settings.LegacyOpenDistroDestinationSettings
 import org.opensearch.alerting.transport.TransportAcknowledgeAlertAction
+import org.opensearch.alerting.transport.TransportAcknowledgeChainedAlertAction
 import org.opensearch.alerting.transport.TransportDeleteMonitorAction
+import org.opensearch.alerting.transport.TransportDeleteWorkflowAction
 import org.opensearch.alerting.transport.TransportExecuteMonitorAction
+import org.opensearch.alerting.transport.TransportExecuteWorkflowAction
 import org.opensearch.alerting.transport.TransportGetAlertsAction
 import org.opensearch.alerting.transport.TransportGetDestinationsAction
 import org.opensearch.alerting.transport.TransportGetEmailAccountAction
 import org.opensearch.alerting.transport.TransportGetEmailGroupAction
 import org.opensearch.alerting.transport.TransportGetFindingsSearchAction
 import org.opensearch.alerting.transport.TransportGetMonitorAction
+import org.opensearch.alerting.transport.TransportGetRemoteIndexesAction
+import org.opensearch.alerting.transport.TransportGetWorkflowAction
+import org.opensearch.alerting.transport.TransportGetWorkflowAlertsAction
 import org.opensearch.alerting.transport.TransportIndexMonitorAction
+import org.opensearch.alerting.transport.TransportIndexWorkflowAction
 import org.opensearch.alerting.transport.TransportSearchEmailAccountAction
 import org.opensearch.alerting.transport.TransportSearchEmailGroupAction
 import org.opensearch.alerting.transport.TransportSearchMonitorAction
@@ -61,8 +72,6 @@ import org.opensearch.client.Client
 import org.opensearch.cluster.metadata.IndexNameExpressionResolver
 import org.opensearch.cluster.node.DiscoveryNodes
 import org.opensearch.cluster.service.ClusterService
-import org.opensearch.common.io.stream.NamedWriteableRegistry
-import org.opensearch.common.io.stream.StreamInput
 import org.opensearch.common.settings.ClusterSettings
 import org.opensearch.common.settings.IndexScopedSettings
 import org.opensearch.common.settings.Setting
@@ -83,6 +92,9 @@ import org.opensearch.core.xcontent.XContentParser
 import org.opensearch.env.Environment
 import org.opensearch.env.NodeEnvironment
 import org.opensearch.index.IndexModule
+import org.opensearch.monitor.jvm.JvmStats
+import org.opensearch.painless.spi.Allowlist
+import org.opensearch.painless.spi.AllowlistLoader
 import org.opensearch.painless.spi.PainlessExtension
 import org.opensearch.painless.spi.Whitelist
 import org.opensearch.painless.spi.WhitelistLoader
@@ -237,6 +249,8 @@ internal class AlertingPlugin : PainlessExtension, ActionPlugin, ScriptPlugin, R
             .registerTriggerService(TriggerService(scriptService))
             .registerAlertService(AlertService(client, xContentRegistry, alertIndices))
             .registerDocLevelMonitorQueries(DocLevelMonitorQueries(client, clusterService))
+            .registerJvmStats(JvmStats.jvmStats())
+            .registerWorkflowService(WorkflowService(client, xContentRegistry))
             .registerConsumers()
             .registerDestinationSettings()
         scheduledJobIndices = ScheduledJobIndices(client.admin(), clusterService)
@@ -284,6 +298,8 @@ internal class AlertingPlugin : PainlessExtension, ActionPlugin, ScriptPlugin, R
             AlertingSettings.ALERT_HISTORY_MAX_DOCS,
             AlertingSettings.ALERT_HISTORY_RETENTION_PERIOD,
             AlertingSettings.ALERTING_MAX_MONITORS,
+            AlertingSettings.PERCOLATE_QUERY_DOCS_SIZE_MEMORY_PERCENTAGE_LIMIT,
+            AlertingSettings.PERCOLATE_QUERY_MAX_NUM_DOCS_IN_MEMORY,
             AlertingSettings.REQUEST_TIMEOUT,
             AlertingSettings.MAX_ACTION_THROTTLE_VALUE,
             AlertingSettings.FILTER_BY_BACKEND_ROLES,