ms/blueprintsprocessor/functions/python-executor/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/functions/python/executor/ComponentRemotePythonExecutor.kt

   1 /*
   2  *  Copyright Â© 2019 IBM.
   3  *  Modifications Copyright © 2020 Bell Canada.
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  */
  17
  18 package org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor
  19
  20 import com.fasterxml.jackson.databind.JsonNode
  21 import com.google.protobuf.ByteString
  22 import kotlinx.coroutines.GlobalScope
  23 import kotlinx.coroutines.TimeoutCancellationException
  24 import kotlinx.coroutines.async
  25 import kotlinx.coroutines.withTimeout
  26 import org.onap.ccsdk.cds.blueprintsprocessor.core.BlueprintPropertiesService
  27 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  28 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.PrepareRemoteEnvInput
  29 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.RemoteIdentifier
  30 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.RemoteScriptExecutionInput
  31 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.RemoteScriptExecutionOutput
  32 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.RemoteScriptUploadBlueprintInput
  33 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.StatusType
  34 import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.repository.BlueprintModelRepository
  35 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
  36 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.ExecutionServiceConstant
  37 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.RemoteScriptExecutionService
  38 import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintProcessorException
  39 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonPrimitive
  40 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonType
  41 import org.onap.ccsdk.cds.controllerblueprints.core.checkFileExists
  42 import org.onap.ccsdk.cds.controllerblueprints.core.checkNotBlank
  43 import org.onap.ccsdk.cds.controllerblueprints.core.data.OperationAssignment
  44 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
  45 import org.onap.ccsdk.cds.controllerblueprints.core.returnNullIfMissing
  46 import org.onap.ccsdk.cds.controllerblueprints.core.rootFieldsToMap
  47 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  48 import org.slf4j.LoggerFactory
  49 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  50 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean
  51 import org.springframework.context.annotation.Scope
  52 import org.springframework.stereotype.Component
  53
  54 @ConditionalOnBean(name = [ExecutionServiceConstant.SERVICE_GRPC_REMOTE_SCRIPT_EXECUTION])
  55 @Component("component-remote-python-executor")
  56 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  57 open class ComponentRemotePythonExecutor(
  58     private val remoteScriptExecutionService: RemoteScriptExecutionService,
  59     private val bluePrintPropertiesService: BlueprintPropertiesService,
  60     private val blueprintModelRepository: BlueprintModelRepository
  61 ) : AbstractComponentFunction() {
  62
  63     private val log = LoggerFactory.getLogger(ComponentRemotePythonExecutor::class.java)!!
  64
  65     companion object {
  66
  67         const val SELECTOR_CMD_EXEC = "blueprintsprocessor.remote-script-command"
  68         const val INPUT_ENDPOINT_SELECTOR = "endpoint-selector"
  69         const val INPUT_DYNAMIC_PROPERTIES = "dynamic-properties"
  70         const val INPUT_ARGUMENT_PROPERTIES = "argument-properties"
  71
  72         const val INPUT_COMMAND = "command"
  73         const val INPUT_PACKAGES = "packages"
  74         const val DEFAULT_SELECTOR = "remote-python"
  75         const val INPUT_ENV_PREPARE_TIMEOUT = "env-prepare-timeout"
  76         const val INPUT_EXECUTE_TIMEOUT = "execution-timeout"
  77
  78         const val STEP_PREPARE_ENV = "prepare-env"
  79         const val STEP_EXEC_CMD = "execute-command"
  80         const val ATTRIBUTE_EXEC_CMD_STATUS = "status"
  81         const val ATTRIBUTE_PREPARE_ENV_LOG = "prepare-environment-logs"
  82         const val ATTRIBUTE_EXEC_CMD_LOG = "execute-command-logs"
  83         const val ATTRIBUTE_RESPONSE_DATA = "response-data"
  84         const val DEFAULT_ENV_PREPARE_TIMEOUT_IN_SEC = 120
  85         const val DEFAULT_EXECUTE_TIMEOUT_IN_SEC = 180
  86         const val TIMEOUT_DELTA = 100L
  87         const val DEFAULT_CBA_UPLOAD_TIMEOUT_IN_SEC = 30
  88     }
  89
  90     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  91
  92         log.debug("Processing : $operationInputs")
  93
  94         val isLogResponseEnabled = bluePrintPropertiesService.propertyBeanType("$SELECTOR_CMD_EXEC.response.log.enabled", Boolean::class.java)
  95
  96         val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
  97         val blueprintName = bluePrintContext.name()
  98         val blueprintVersion = bluePrintContext.version()
  99
 100         // fetch the template (plus cba bindata) from repository
 101         val cbaModel = blueprintModelRepository.findByArtifactNameAndArtifactVersion(blueprintName, blueprintVersion)
 102         val blueprintUUID = cbaModel?.id!!
 103         val cbaBinData = ByteString.copyFrom(cbaModel?.blueprintModelContent?.content)
 104         val archiveType = cbaModel?.blueprintModelContent?.contentType // TODO: should be enum
 105         val remoteIdentifier = RemoteIdentifier(blueprintName = blueprintName, blueprintVersion = blueprintVersion, blueprintUUID = blueprintUUID)
 106         val originatorId = executionServiceInput.commonHeader.originatorId
 107         val subRequestId = executionServiceInput.commonHeader.subRequestId
 108         val requestId = processId
 109
 110         val operationAssignment: OperationAssignment = bluePrintContext
 111             .nodeTemplateInterfaceOperation(nodeTemplateName, interfaceName, operationName)
 112
 113         val artifactName: String = operationAssignment.implementation?.primary
 114             ?: throw BlueprintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
 115
 116         val artifactDefinition =
 117             bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
 118
 119         checkNotBlank(artifactDefinition.file) { "couldn't get python script path($artifactName)" }
 120
 121         val pythonScript = normalizedFile(bluePrintContext.rootPath, artifactDefinition.file)
 122
 123         checkFileExists(pythonScript) { "python script(${pythonScript.absolutePath}) doesn't exists" }
 124
 125         val endPointSelector = getOperationInput(INPUT_ENDPOINT_SELECTOR)
 126         val dynamicProperties = getOptionalOperationInput(INPUT_DYNAMIC_PROPERTIES)
 127         val packages = getOptionalOperationInput(INPUT_PACKAGES)?.returnNullIfMissing()
 128
 129         val argsNode = getOptionalOperationInput(INPUT_ARGUMENT_PROPERTIES)?.returnNullIfMissing()
 130
 131         // This prevents unescaping values, as well as quoting the each parameter, in order to allow for spaces in values
 132         val args = getOptionalOperationInput(INPUT_ARGUMENT_PROPERTIES)?.returnNullIfMissing()
 133             ?.rootFieldsToMap()?.toSortedMap()?.values?.joinToString(" ") { formatNestedJsonNode(it) }
 134
 135         val command = getOperationInput(INPUT_COMMAND).asText()
 136         val cbaNameVerUuid = "blueprintName($blueprintName) blueprintVersion($blueprintVersion) blueprintUUID($blueprintUUID)"
 137
 138         /**
 139          * Timeouts that are specific to the command executor.
 140          * Note: the interface->input->timeout is the component level timeout.
 141          */
 142         val envPrepTimeout = getOptionalOperationInput(INPUT_ENV_PREPARE_TIMEOUT)?.asInt()
 143             ?: DEFAULT_ENV_PREPARE_TIMEOUT_IN_SEC
 144         val executionTimeout = getOptionalOperationInput(INPUT_EXECUTE_TIMEOUT)?.asInt()
 145             ?: DEFAULT_EXECUTE_TIMEOUT_IN_SEC
 146
 147         // component level timeout should be => env_prep_timeout + execution_timeout
 148         val timeout = implementation.timeout
 149
 150         var scriptCommand = command.replace(pythonScript.name, artifactDefinition.file)
 151         if (args != null && args.isNotEmpty()) {
 152             scriptCommand = scriptCommand.plus(" ").plus(args)
 153         }
 154
 155         try {
 156             // Open GRPC Connection
 157             if (DEFAULT_SELECTOR == endPointSelector.asText()) {
 158                 remoteScriptExecutionService.init(endPointSelector.asText())
 159             } else {
 160                 // Get endpoint from DSL
 161                 val endPointSelectorJson = bluePrintRuntimeService.resolveDSLExpression(endPointSelector.asText())
 162                 remoteScriptExecutionService.init(endPointSelectorJson)
 163             }
 164
 165             // If packages are defined, then install in remote server
 166             if (packages != null) {
 167                 val prepareEnvInput = PrepareRemoteEnvInput(
 168                     originatorId = executionServiceInput.commonHeader.originatorId,
 169                     requestId = processId,
 170                     subRequestId = executionServiceInput.commonHeader.subRequestId,
 171                     remoteIdentifier = remoteIdentifier,
 172                     packages = packages,
 173                     timeOut = envPrepTimeout.toLong()
 174                 )
 175                 val prepareEnvOutput = remoteScriptExecutionService.prepareEnv(prepareEnvInput)
 176                 log.info("$ATTRIBUTE_PREPARE_ENV_LOG - ${prepareEnvOutput.response}")
 177                 val logs = JacksonUtils.jsonNodeFromObject(prepareEnvOutput.response)
 178                 setAttribute(ATTRIBUTE_PREPARE_ENV_LOG, logs)
 179
 180                 // there are no artifacts for env. prepare, but we reuse it for err_log...
 181                 if (prepareEnvOutput.status != StatusType.SUCCESS) {
 182                     setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), prepareEnvOutput.payload, isLogResponseEnabled)
 183                     addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, logs.toString())
 184                 } else {
 185                     setNodeOutputProperties(prepareEnvOutput.status, STEP_PREPARE_ENV, logs, prepareEnvOutput.payload, isLogResponseEnabled)
 186                 }
 187             } else {
 188                 if (packages == null) {
 189                     // set env preparation log to empty...
 190                     setAttribute(ATTRIBUTE_PREPARE_ENV_LOG, "".asJsonPrimitive())
 191                 } else {
 192                     prepareEnv(originatorId, requestId, subRequestId, remoteIdentifier, packages, envPrepTimeout, cbaNameVerUuid, archiveType, cbaBinData, isLogResponseEnabled)
 193                 }
 194                 // in cases where the exception is caught in BP side due to timeout, we do not have `err_msg` returned by cmd-exec (inside `payload`),
 195                 // hence `artifact` field will be empty
 196             }
 197         } catch (grpcEx: io.grpc.StatusRuntimeException) {
 198             val componentLevelWarningMsg =
 199                 if (timeout < envPrepTimeout) "Note: component-level timeout ($timeout) is shorter than env-prepare timeout ($envPrepTimeout). " else ""
 200             val grpcErrMsg =
 201                 "Command failed during env. preparation... timeout($envPrepTimeout) requestId ($processId).$componentLevelWarningMsg grpcError: (${grpcEx.cause?.message})"
 202             // no execution log in case of timeout (as cmd-exec side hasn't finished to transfer output)
 203             // set prepare-env-log to the error msg, and cmd-exec-log to empty
 204             setAttribute(ATTRIBUTE_PREPARE_ENV_LOG, grpcErrMsg.asJsonPrimitive())
 205             setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), "{}".asJsonPrimitive(), isLogResponseEnabled)
 206             addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, grpcErrMsg)
 207             log.error(grpcErrMsg, grpcEx)
 208         } catch (e: Exception) {
 209             val catchallErrMsg =
 210                 "Command executor failed during env. preparation.. catch-all case. timeout($envPrepTimeout) requestId ($processId). exception msg: ${e.message}"
 211             // no environment prepare log from executor in case of timeout (as cmd-exec side hasn't finished to transfer output), set it to error msg. Execution logs is empty.
 212             setAttribute(ATTRIBUTE_PREPARE_ENV_LOG, catchallErrMsg.asJsonPrimitive())
 213             setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), "{}".asJsonPrimitive(), isLogResponseEnabled)
 214             addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, catchallErrMsg)
 215             log.error(catchallErrMsg, e)
 216         }
 217         // if Env preparation was successful, then proceed with command execution in this Env
 218         if (noBlueprintErrors()) {
 219             try {
 220                 // Populate command execution properties and pass it to the remote server
 221                 val properties = dynamicProperties?.returnNullIfMissing()?.rootFieldsToMap() ?: hashMapOf()
 222
 223                 val remoteExecutionInput = RemoteScriptExecutionInput(
 224                     originatorId = executionServiceInput.commonHeader.originatorId,
 225                     requestId = processId,
 226                     subRequestId = executionServiceInput.commonHeader.subRequestId,
 227                     remoteIdentifier = remoteIdentifier,
 228                     command = scriptCommand,
 229                     properties = properties,
 230                     timeOut = executionTimeout.toLong()
 231                 )
 232
 233                 val remoteExecutionOutputDeferred = GlobalScope.async {
 234                     remoteScriptExecutionService.executeCommand(remoteExecutionInput)
 235                 }
 236
 237                 val remoteExecutionOutput = withTimeout(executionTimeout * 1000L + TIMEOUT_DELTA) {
 238                     remoteExecutionOutputDeferred.await()
 239                 }
 240
 241                 checkNotNull(remoteExecutionOutput) {
 242                     "Error: Request-id $processId did not return a result from remote command execution."
 243                 }
 244                 val logs = JacksonUtils.jsonNodeFromObject(remoteExecutionOutput.response)
 245                 val returnedPayload = remoteExecutionOutput.payload
 246                 // In case of execution, `payload` (dictionary from Python execution) is preserved in `remoteExecutionOutput.payload`;
 247                 // It would contain `err_msg` key. It is valid to return it.
 248                 if (remoteExecutionOutput.status != StatusType.SUCCESS) {
 249                     setNodeOutputErrors(STEP_EXEC_CMD, logs, returnedPayload, isLogResponseEnabled)
 250                     addError(StatusType.FAILURE.name, STEP_EXEC_CMD, logs.toString())
 251                 } else {
 252                     setNodeOutputProperties(remoteExecutionOutput.status, STEP_EXEC_CMD, logs, returnedPayload, isLogResponseEnabled)
 253                 } // In timeout exception cases, we don't have payload, hence `payload` is empty value.
 254             } catch (timeoutEx: TimeoutCancellationException) {
 255                 val componentLevelWarningMsg =
 256                     if (timeout < executionTimeout) "Note: component-level timeout ($timeout) is shorter than execution timeout ($executionTimeout). " else ""
 257                 val timeoutErrMsg =
 258                     "Command executor execution timeout. DetailedMessage: (${timeoutEx.message}) requestId ($processId). $componentLevelWarningMsg"
 259                 setNodeOutputErrors(STEP_EXEC_CMD, listOf(timeoutErrMsg).asJsonType(), logging = isLogResponseEnabled)
 260                 addError(StatusType.FAILURE.name, STEP_EXEC_CMD, timeoutErrMsg)
 261                 log.error(timeoutErrMsg, timeoutEx)
 262             } catch (grpcEx: io.grpc.StatusRuntimeException) {
 263                 val timeoutErrMsg =
 264                     "Command executor timed out executing after $executionTimeout seconds requestId ($processId) grpcErr: ${grpcEx.status}"
 265                 setNodeOutputErrors(STEP_EXEC_CMD, listOf(timeoutErrMsg).asJsonType(), logging = isLogResponseEnabled)
 266                 addError(StatusType.FAILURE.name, STEP_EXEC_CMD, timeoutErrMsg)
 267                 log.error(timeoutErrMsg, grpcEx)
 268             } catch (e: Exception) {
 269                 val catchAllErrMsg =
 270                     "Command executor failed during process catch-all case requestId ($processId) timeout($envPrepTimeout) exception msg: ${e.message}"
 271                 setNodeOutputErrors(STEP_PREPARE_ENV, listOf(catchAllErrMsg).asJsonType(), logging = isLogResponseEnabled)
 272                 addError(StatusType.FAILURE.name, STEP_EXEC_CMD, catchAllErrMsg)
 273                 log.error(catchAllErrMsg, e)
 274             }
 275         }
 276         log.debug("Trying to close GRPC channel. request ($processId)")
 277         remoteScriptExecutionService.close()
 278     }
 279
 280     // wrapper for call to prepare_env step on cmd-exec - reupload CBA and call prepare env again if cmd-exec reported CBA uuid mismatch
 281     private suspend fun prepareEnv(originatorId: String, requestId: String, subRequestId: String, remoteIdentifier: RemoteIdentifier, packages: JsonNode, envPrepTimeout: Int, cbaNameVerUuid: String, archiveType: String?, cbaBinData: ByteString?, isLogResponseEnabled: Boolean, innerCall: Boolean = false) {
 282         val prepareEnvInput = PrepareRemoteEnvInput(
 283             originatorId = originatorId,
 284             requestId = requestId,
 285             subRequestId = subRequestId,
 286             remoteIdentifier = remoteIdentifier,
 287             packages = packages,
 288             timeOut = envPrepTimeout.toLong()
 289         )
 290         val prepareEnvOutput = remoteScriptExecutionService.prepareEnv(prepareEnvInput)
 291         log.info("$ATTRIBUTE_PREPARE_ENV_LOG - ${prepareEnvOutput.response}")
 292         val logs = JacksonUtils.jsonNodeFromObject(prepareEnvOutput.response)
 293         setAttribute(ATTRIBUTE_PREPARE_ENV_LOG, logs)
 294
 295         // there are no artifacts for env. prepare, but we reuse it for err_log...
 296         if (prepareEnvOutput.status != StatusType.SUCCESS) {
 297             // Check for the flag that blueprint is mismatched first, if so, reupload the blueprint
 298             if (prepareEnvOutput.payload.has("reupload_cba")) {
 299                 log.info("Cmd-exec is missing the CBA $cbaNameVerUuid, it will be reuploaded.")
 300                 uploadCba(remoteIdentifier, requestId, subRequestId, originatorId, archiveType, cbaBinData, cbaNameVerUuid, prepareEnvOutput, isLogResponseEnabled, logs)
 301                 // call prepare_env again.
 302                 if (!innerCall) {
 303                     log.info("Calling prepare environment again")
 304                     prepareEnv(originatorId, requestId, subRequestId, remoteIdentifier, packages, envPrepTimeout, cbaNameVerUuid, archiveType, cbaBinData, isLogResponseEnabled)
 305                 } else {
 306                     val errMsg = "Something is wrong: prepare_env step attempted to call itself too many times after upload CBA step!"
 307                     log.error(errMsg)
 308                     setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), prepareEnvOutput.payload, isLogResponseEnabled)
 309                     addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, errMsg)
 310                 }
 311             } else {
 312                 setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), prepareEnvOutput.payload, isLogResponseEnabled)
 313                 addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, logs.toString())
 314             }
 315         } else {
 316             setNodeOutputProperties(prepareEnvOutput.status, STEP_PREPARE_ENV, logs, prepareEnvOutput.payload, isLogResponseEnabled)
 317         }
 318     }
 319
 320     private suspend fun uploadCba(remoteIdentifier: RemoteIdentifier, requestId: String, subRequestId: String, originatorId: String, archiveType: String?, cbaBinData: ByteString?, cbaNameVerUuid: String, prepareEnvOutput: RemoteScriptExecutionOutput, isLogResponseEnabled: Boolean, logs: JsonNode) {
 321
 322         val uploadCbaInput = RemoteScriptUploadBlueprintInput(
 323             remoteIdentifier = remoteIdentifier,
 324             requestId = requestId,
 325             subRequestId = subRequestId,
 326             originatorId = originatorId,
 327             timeOut = DEFAULT_CBA_UPLOAD_TIMEOUT_IN_SEC.toLong(),
 328             archiveType = archiveType!!,
 329             binData = cbaBinData!!
 330         )
 331
 332         val cbaUploadOutput = remoteScriptExecutionService.uploadBlueprint(uploadCbaInput)
 333         if (cbaUploadOutput.status != StatusType.SUCCESS) {
 334             log.error("Error uploading CBA $cbaNameVerUuid error(${cbaUploadOutput.payload})")
 335             setNodeOutputErrors(STEP_PREPARE_ENV, "[]".asJsonPrimitive(), prepareEnvOutput.payload, isLogResponseEnabled)
 336             addError(StatusType.FAILURE.name, STEP_PREPARE_ENV, logs.toString())
 337         } else {
 338             log.info("Finished uploading CBA $cbaNameVerUuid")
 339         }
 340     }
 341
 342     private fun noBlueprintErrors() = bluePrintRuntimeService.getBlueprintError().errors.isEmpty()
 343
 344     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
 345         bluePrintRuntimeService.getBlueprintError()
 346             .addError("Failed in ComponentRemotePythonExecutor : ${runtimeException.message}")
 347     }
 348
 349     private fun formatNestedJsonNode(node: JsonNode): String {
 350         val sb = StringBuilder()
 351         if (node.isValueNode) {
 352             sb.append(" $node")
 353         } else {
 354             node.forEach { sb.append(" $it") }
 355         }
 356         return sb.toString()
 357     }
 358
 359     /**
 360      * Utility function to set the output properties of the executor node
 361      */
 362     private fun setNodeOutputProperties(
 363         status: StatusType,
 364         step: String,
 365         executionLogs: JsonNode,
 366         artifacts: JsonNode,
 367         logging: Boolean = true
 368     ) {
 369
 370         setAttribute(ATTRIBUTE_EXEC_CMD_STATUS, status.name.asJsonPrimitive())
 371         setAttribute(ATTRIBUTE_EXEC_CMD_LOG, executionLogs)
 372         setAttribute(ATTRIBUTE_RESPONSE_DATA, artifacts)
 373
 374         if (logging) {
 375             log.info("Executor status : $step : $status")
 376             log.info("Executor logs   : $step : $executionLogs")
 377             log.info("Executor artifacts: $step : $artifacts")
 378         }
 379     }
 380
 381     /**
 382      * Utility function to set the output properties and errors of the executor node, in case of errors
 383      */
 384     private fun setNodeOutputErrors(
 385         step: String,
 386         executionLogs: JsonNode = "[]".asJsonPrimitive(),
 387         artifacts: JsonNode = "{}".asJsonPrimitive(),
 388         logging: Boolean = true
 389     ) {
 390         val status = StatusType.FAILURE.name
 391         setAttribute(ATTRIBUTE_EXEC_CMD_STATUS, status.asJsonPrimitive())
 392         setAttribute(ATTRIBUTE_EXEC_CMD_LOG, executionLogs)
 393         setAttribute(ATTRIBUTE_RESPONSE_DATA, artifacts)
 394
 395         if (logging) {
 396             log.info("Executor status : $step : $status")
 397             log.info("Executor logs   : $step : $executionLogs")
 398             log.info("Executor artifacts: $step : $artifacts")
 399         }
 400     }
 401 }