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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   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.apps.blueprintsprocessor.services.workflow.executor
  18
  19 import com.fasterxml.jackson.databind.JsonNode
  20 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
  21 import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
  22 import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintSvcLogicContext
  23 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  24 import org.onap.ccsdk.apps.controllerblueprints.core.asJsonNode
  25 import org.onap.ccsdk.apps.controllerblueprints.core.putJsonElement
  26 import org.onap.ccsdk.sli.core.sli.SvcLogicContext
  27 import org.onap.ccsdk.sli.core.sli.SvcLogicException
  28 import org.onap.ccsdk.sli.core.sli.SvcLogicNode
  29 import org.onap.ccsdk.sli.core.sli.provider.ExecuteNodeExecutor
  30 import org.onap.ccsdk.sli.core.sli.provider.SvcLogicExpressionResolver
  31 import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService
  32 import org.slf4j.LoggerFactory
  33 import org.springframework.beans.factory.annotation.Autowired
  34 import org.springframework.context.ApplicationContext
  35 import org.springframework.stereotype.Service
  36
  37 @Service
  38 open class ComponentExecuteNodeExecutor : ExecuteNodeExecutor() {
  39
  40     private val log = LoggerFactory.getLogger(ComponentExecuteNodeExecutor::class.java)
  41
  42     @Autowired
  43     private lateinit var context: ApplicationContext
  44
  45     fun getComponentFunction(pluginName: String): AbstractComponentFunction {
  46         return context.getBean(pluginName, AbstractComponentFunction::class.java)
  47     }
  48
  49     @Throws(SvcLogicException::class)
  50     override fun execute(svc: SvcLogicService, node: SvcLogicNode, svcLogicContext: SvcLogicContext): SvcLogicNode {
  51
  52         var outValue: String
  53
  54         val ctx = svcLogicContext as BlueprintSvcLogicContext
  55
  56         val nodeTemplateName = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx)
  57
  58         try {
  59             // Get the Blueprint Context
  60             val blueprintContext = ctx.getBluePrintService().bluePrintContext()
  61             // Get the Component Name, NodeTemplate type is mapped to Component Name
  62             val componentName = blueprintContext.nodeTemplateByName(nodeTemplateName).type
  63
  64             val interfaceName = blueprintContext.nodeTemplateFirstInterfaceName(nodeTemplateName)
  65
  66             val operationName = blueprintContext.nodeTemplateFirstInterfaceFirstOperationName(nodeTemplateName)
  67
  68             log.info("executing node template($nodeTemplateName) component($componentName) interface($interfaceName) operation($operationName)")
  69             // Get the Component Instance
  70             val plugin = this.getComponentFunction(componentName)
  71             // Set the Blueprint Service
  72             plugin.bluePrintRuntimeService = ctx.getBluePrintService()
  73             plugin.stepName = nodeTemplateName
  74
  75             val executionInput = ctx.getRequest() as ExecutionServiceInput
  76
  77             // Populate Step Meta Data
  78             val stepInputs: MutableMap<String, JsonNode> = hashMapOf()
  79             stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_NODE_TEMPLATE, nodeTemplateName)
  80             stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_INTERFACE, interfaceName)
  81             stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_OPERATION, operationName)
  82
  83             plugin.bluePrintRuntimeService!!.put("$nodeTemplateName-step-inputs", stepInputs.asJsonNode())
  84
  85             // Get the Request from the Context and Set to the Function Input and Invoke the function
  86             val executionOutput = plugin.apply(executionInput)
  87
  88             ctx.setResponse(executionOutput)
  89
  90             outValue = executionOutput.status.message
  91             ctx.status = executionOutput.status.message
  92
  93         } catch (e: Exception) {
  94             this.log.error("Could not execute plugin($nodeTemplateName) : ", e)
  95             outValue = "failure"
  96             ctx.status = "failure"
  97         }
  98
  99         return this.getNextNode(node, outValue)
 100     }
 101 }