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Signed-off-by: Chase Engelbrecht <engechas@amazon.com>
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47 changes: 47 additions & 0 deletions
47
alerting/src/main/kotlin/org/opensearch/alerting/resthandler/RestRunWorkflowAction.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package org.opensearch.alerting.resthandler | ||
|
|
||
| import org.apache.logging.log4j.LogManager | ||
| import org.opensearch.alerting.AlertingPlugin | ||
| import org.opensearch.client.node.NodeClient | ||
| import org.opensearch.commons.alerting.action.AlertingActions | ||
| import org.opensearch.commons.alerting.action.RunWorkflowRequest | ||
| import org.opensearch.core.xcontent.XContentParser | ||
| import org.opensearch.core.xcontent.XContentParserUtils | ||
| import org.opensearch.rest.BaseRestHandler | ||
| import org.opensearch.rest.RestHandler | ||
| import org.opensearch.rest.RestRequest | ||
| import org.opensearch.rest.action.RestToXContentListener | ||
|
|
||
| class RestRunWorkflowAction : BaseRestHandler() { | ||
| private val log = LogManager.getLogger(javaClass) | ||
|
|
||
| override fun getName(): String { | ||
| return "run_workflow_action" | ||
| } | ||
|
|
||
| override fun routes(): List<RestHandler.Route> { | ||
| return listOf( | ||
| RestHandler.Route( | ||
| RestRequest.Method.POST, | ||
| "${AlertingPlugin.WORKFLOW_BASE_URI}/{workflowID}/run" | ||
| ) | ||
| ) | ||
| } | ||
|
|
||
| override fun prepareRequest(request: RestRequest, client: NodeClient): RestChannelConsumer { | ||
| log.debug("${request.method()} ${AlertingPlugin.WORKFLOW_BASE_URI}/{workflowID}/run") | ||
|
|
||
| val xcp = request.contentParser() | ||
| XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, xcp.nextToken(), xcp) | ||
| val runWorkflowRequest = RunWorkflowRequest.parse(xcp) | ||
|
|
||
| return RestChannelConsumer { | ||
| channel -> | ||
| client.execute( | ||
| AlertingActions.RUN_WORKFLOW_ACTION_TYPE, | ||
| runWorkflowRequest, | ||
| RestToXContentListener(channel) | ||
| ) | ||
| } | ||
| } | ||
| } |
93 changes: 93 additions & 0 deletions
93
alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportRunWorkflowAction.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.opensearch.alerting.transport | ||
|
|
||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.launch | ||
| import org.apache.logging.log4j.LogManager | ||
| import org.opensearch.ResourceNotFoundException | ||
| import org.opensearch.action.ActionRequest | ||
| import org.opensearch.action.support.ActionFilters | ||
| import org.opensearch.action.support.HandledTransportAction | ||
| import org.opensearch.alerting.MonitorRunnerService | ||
| import org.opensearch.alerting.opensearchapi.suspendUntil | ||
| import org.opensearch.alerting.util.AlertingException | ||
| import org.opensearch.alerting.workflow.CompositeWorkflowRunner | ||
| import org.opensearch.client.Client | ||
| import org.opensearch.common.inject.Inject | ||
| import org.opensearch.common.io.stream.BytesStreamOutput | ||
| import org.opensearch.commons.alerting.action.AlertingActions | ||
| import org.opensearch.commons.alerting.action.GetWorkflowRequest | ||
| import org.opensearch.commons.alerting.action.GetWorkflowResponse | ||
| import org.opensearch.commons.alerting.action.RunWorkflowRequest | ||
| import org.opensearch.commons.alerting.action.RunWorkflowResponse | ||
| import org.opensearch.core.action.ActionListener | ||
| import org.opensearch.core.rest.RestStatus | ||
| import org.opensearch.rest.RestRequest | ||
| import org.opensearch.tasks.Task | ||
| import org.opensearch.transport.TransportService | ||
| import java.time.Instant | ||
|
|
||
| private val log = LogManager.getLogger(TransportRunWorkflowAction::class.java) | ||
| private val scope: CoroutineScope = CoroutineScope(Dispatchers.IO) | ||
|
|
||
| class TransportRunWorkflowAction @Inject constructor( | ||
| transportService: TransportService, | ||
| val client: Client, | ||
| actionFilters: ActionFilters, | ||
| val transportGetWorkflowAction: TransportGetWorkflowAction | ||
| ) : HandledTransportAction<ActionRequest, RunWorkflowResponse>( | ||
| AlertingActions.RUN_WORKFLOW_ACTION_NAME, transportService, actionFilters, | ||
| ::RunWorkflowRequest | ||
| ) { | ||
|
|
||
| override fun doExecute(task: Task, request: ActionRequest, actionListener: ActionListener<RunWorkflowResponse>) { | ||
| // TODO ser/de here is a hack to avoid a ClassCastException. Security Analytics and Alerting both use the RunWorkflowRequest object | ||
| // but have different ClassLoaders - https://stackoverflow.com/a/826345 | ||
| val outputStream = BytesStreamOutput() | ||
| request.writeTo(outputStream) | ||
| val actualRequest = RunWorkflowRequest(outputStream.copyBytes().streamInput()) | ||
|
|
||
| scope.launch { | ||
| val getWorkflowResponse: GetWorkflowResponse = | ||
| transportGetWorkflowAction.client.suspendUntil { | ||
| val getWorkflowRequest = GetWorkflowRequest(actualRequest.workflowId, RestRequest.Method.GET) | ||
| execute(AlertingActions.GET_WORKFLOW_ACTION_TYPE, getWorkflowRequest, it) | ||
| } | ||
|
|
||
| if (getWorkflowResponse.workflow != null) { | ||
| try { | ||
| // TODO - is using monitorCtx like this safe? | ||
| // TODO - is Instant.now() fine? | ||
| val workflowRunResult = CompositeWorkflowRunner.runWorkflow( | ||
| getWorkflowResponse.workflow!!, | ||
| MonitorRunnerService.monitorCtx, | ||
| Instant.now(), | ||
| Instant.now(), | ||
| false, | ||
| actualRequest.documents | ||
| ) | ||
|
|
||
| if (workflowRunResult.error != null) { | ||
| actionListener.onFailure(workflowRunResult.error) | ||
| } else { | ||
| actionListener.onResponse(RunWorkflowResponse(RestStatus.OK)) | ||
| } | ||
| } catch (e: Exception) { | ||
| actionListener.onFailure( | ||
| AlertingException.wrap(e) | ||
| ) | ||
| } | ||
| } else { | ||
| actionListener.onFailure( | ||
| AlertingException.wrap( | ||
| ResourceNotFoundException("Workflow with id ${actualRequest.workflowId} not found", RestStatus.NOT_FOUND) | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } |
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