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.RemoteScriptExecutionService
  22 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  23 import org.onap.ccsdk.cds.controllerblueprints.core.checkFileExists
  24 import org.onap.ccsdk.cds.controllerblueprints.core.checkNotBlank
  25 import org.onap.ccsdk.cds.controllerblueprints.core.data.OperationAssignment
  26 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
  27 import org.slf4j.LoggerFactory
  28 import org.springframework.beans.factory.config.ConfigurableBeanFactory
  29 import org.springframework.context.annotation.Scope
  30 import org.springframework.stereotype.Component
  31
  32
  33 @Component("component-remote-python-executor")
  34 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  35 open class ComponentRemotePythonExecutor(private val remoteScriptExecutionService: RemoteScriptExecutionService)
  36     : AbstractComponentFunction() {
  37
  38     private val log = LoggerFactory.getLogger(ComponentRemotePythonExecutor::class.java)
  39
  40     companion object {
  41         const val INPUT_ENDPOINT_SELECTOR = "endpoint-selector"
  42         const val INPUT_DYNAMIC_PROPERTIES = "dynamic-properties"
  43     }
  44
  45     override suspend fun processNB(executionRequest: ExecutionServiceInput) {
  46
  47         log.info("Processing : $operationInputs")
  48
  49         val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
  50         val blueprintName = bluePrintContext.name()
  51         val blueprintVersion = bluePrintContext.version()
  52
  53         val operationAssignment: OperationAssignment = bluePrintContext
  54                 .nodeTemplateInterfaceOperation(nodeTemplateName, interfaceName, operationName)
  55
  56         val artifactName: String = operationAssignment.implementation?.primary
  57                 ?: throw BluePrintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
  58
  59         val artifactDefinition = bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
  60
  61         checkNotBlank(artifactDefinition.file) { "couldn't get python script path($artifactName)" }
  62
  63         val pythonScript = normalizedFile(bluePrintContext.rootPath, artifactDefinition.file)
  64
  65         checkFileExists(pythonScript) { "python script(${pythonScript.absolutePath}) doesn't exists" }
  66         //TODO ("Get the ENDPOINT SELECTOR and resolve the Remote Server")
  67         val endPointSelector = getOperationInput(INPUT_ENDPOINT_SELECTOR)
  68         val dynamicProperties = getOperationInput(INPUT_DYNAMIC_PROPERTIES)
  69
  70         // TODO("Python execution command and Resolve some expressions with dynamic properties")
  71         val scriptCommand: String = pythonScript.absolutePath
  72
  73         val packages = operationAssignment.implementation?.dependencies
  74         // If dependencies are defined, then install in remote server
  75         if (packages != null && !packages.isEmpty()) {
  76             val prepareEnvInput = PrepareRemoteEnvInput(requestId = processId,
  77                     remoteScriptType = RemoteScriptType.PYTHON,
  78                     packages = arrayListOf()
  79             )
  80             val prepareEnvOutput = remoteScriptExecutionService.prepareEnv(prepareEnvInput)
  81             checkNotNull(prepareEnvOutput) {
  82                 "failed to get prepare remote env response for requestId(${prepareEnvInput.requestId})"
  83             }
  84         }
  85
  86         val remoteExecutionInput = RemoteScriptExecutionInput(
  87                 requestId = processId,
  88                 remoteIdentifier = RemoteIdentifier(blueprintName = blueprintName, blueprintVersion = blueprintVersion),
  89                 remoteScriptType = RemoteScriptType.PYTHON,
  90                 command = scriptCommand)
  91         val remoteExecutionOutput = remoteScriptExecutionService.executeCommand(remoteExecutionInput)
  92         checkNotNull(remoteExecutionOutput) {
  93             "failed to get prepare remote command response for requestId(${remoteExecutionOutput.requestId})"
  94         }
  95     }
  96
  97     override suspend fun recoverNB(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
  98         bluePrintRuntimeService.getBluePrintError()
  99                 .addError("Failed in ComponentJythonExecutor : ${runtimeException.message}")
 100     }
 101 }