gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  *  Copyright © 2019 IBM.
   3  *
   4  *  Licensed under the Apache License, Version 2.0 (the "License");
   5  *  you may not use this file except in compliance with the License.
   6  *  You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.cds.blueprintsprocessor.functions.python.executor
  18
  19 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.*
  20 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.AbstractComponentFunction
  21 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.ExecutionServiceConstant
  22 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.RemoteScriptExecutionService
  23 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  24 import org.onap.ccsdk.cds.controllerblueprints.core.checkFileExists
  25 import org.onap.ccsdk.cds.controllerblueprints.core.checkNotBlank
  26 import org.onap.ccsdk.cds.controllerblueprints.core.data.OperationAssignment
  27 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
  28 import org.slf4j.LoggerFactory
  29 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  30 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean
  31 import org.springframework.context.annotation.Scope
  32 import org.springframework.stereotype.Component
  33
  34 @ConditionalOnBean(name = [ExecutionServiceConstant.SERVICE_GRPC_REMOTE_SCRIPT_EXECUTION])
  35 @Component("component-remote-python-executor")
  36 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  37 open class ComponentRemotePythonExecutor(private val remoteScriptExecutionService: RemoteScriptExecutionService)
  38     : AbstractComponentFunction() {
  39
  40     private val log = LoggerFactory.getLogger(ComponentRemotePythonExecutor::class.java)!!
  41
  42     companion object {
  43         const val INPUT_ENDPOINT_SELECTOR = "endpoint-selector"
  44         const val INPUT_DYNAMIC_PROPERTIES = "dynamic-properties"
  45     }
  46
  47     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  48
  49         log.info("Processing : $operationInputs")
  50
  51         val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
  52         val blueprintName = bluePrintContext.name()
  53         val blueprintVersion = bluePrintContext.version()
  54
  55         val operationAssignment: OperationAssignment = bluePrintContext
  56                 .nodeTemplateInterfaceOperation(nodeTemplateName, interfaceName, operationName)
  57
  58         val artifactName: String = operationAssignment.implementation?.primary
  59                 ?: throw BluePrintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
  60
  61         val artifactDefinition = bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
  62
  63         checkNotBlank(artifactDefinition.file) { "couldn't get python script path($artifactName)" }
  64
  65         val pythonScript = normalizedFile(bluePrintContext.rootPath, artifactDefinition.file)
  66
  67         checkFileExists(pythonScript) { "python script(${pythonScript.absolutePath}) doesn't exists" }
  68
  69         val endPointSelector = getOperationInput(INPUT_ENDPOINT_SELECTOR)
  70         val dynamicProperties = getOperationInput(INPUT_DYNAMIC_PROPERTIES)
  71
  72         // TODO("Python execution command and Resolve some expressions with dynamic properties")
  73         val scriptCommand: String = "python ${pythonScript.absolutePath}"
  74
  75         val dependencies = operationAssignment.implementation?.dependencies
  76
  77         try {
  78             // Open GRPC Connection
  79             remoteScriptExecutionService.init(endPointSelector.asText())
  80
  81             // If dependencies are defined, then install in remote server
  82             if (dependencies != null && !dependencies.isEmpty()) {
  83                 val prepareEnvInput = PrepareRemoteEnvInput(
  84                     requestId = processId,
  85                     remoteIdentifier = RemoteIdentifier(blueprintName = blueprintName, blueprintVersion = blueprintVersion),
  86                     remoteScriptType = RemoteScriptType.PYTHON,
  87                     packages = dependencies
  88                 )
  89                 val prepareEnvOutput = remoteScriptExecutionService.prepareEnv(prepareEnvInput)
  90                 checkNotNull(prepareEnvOutput) {
  91                     "failed to get prepare remote env response for requestId(${prepareEnvInput.requestId})"
  92                 }
  93             }
  94
  95             val remoteExecutionInput = RemoteScriptExecutionInput(
  96                     requestId = processId,
  97                     remoteIdentifier = RemoteIdentifier(blueprintName = blueprintName, blueprintVersion = blueprintVersion),
  98                     remoteScriptType = RemoteScriptType.PYTHON,
  99                     command = scriptCommand)
 100             val remoteExecutionOutput = remoteScriptExecutionService.executeCommand(remoteExecutionInput)
 101             checkNotNull(remoteExecutionOutput) {
 102                 "failed to get prepare remote command response for requestId(${remoteExecutionOutput.requestId})"
 103             }
 104         } finally {
 105             remoteScriptExecutionService.close()
 106         }
 107     }
 108
 109     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
 110         bluePrintRuntimeService.getBluePrintError()
 111                 .addError("Failed in ComponentJythonExecutor : ${runtimeException.message}")
 112     }
 113 }