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

   1 /*
   2  *  Copyright © 2019 IBM.
   3  *  Modifications Copyright © 2018-2019 AT&T Intellectual Property.
   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.message.service
  19
  20 import com.fasterxml.jackson.databind.node.ObjectNode
  21 import org.apache.commons.lang.builder.ToStringBuilder
  22 import org.apache.kafka.clients.producer.Callback
  23 import org.apache.kafka.clients.producer.KafkaProducer
  24 import org.apache.kafka.clients.producer.ProducerRecord
  25 import org.apache.kafka.common.header.internals.RecordHeader
  26 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  27 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  28 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.Status
  29 import org.onap.ccsdk.cds.blueprintsprocessor.message.MessageProducerProperties
  30 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonPrimitive
  31 import org.onap.ccsdk.cds.controllerblueprints.core.asJsonString
  32 import org.onap.ccsdk.cds.controllerblueprints.core.defaultToUUID
  33 import org.slf4j.LoggerFactory
  34 import java.nio.charset.Charset
  35
  36 class KafkaMessageProducerService(
  37     private val messageProducerProperties: MessageProducerProperties
  38 ) :
  39     BlueprintMessageProducerService {
  40
  41     private val log = LoggerFactory.getLogger(KafkaMessageProducerService::class.java)!!
  42
  43     private var kafkaProducer: KafkaProducer<String, ByteArray>? = null
  44
  45     private val messageLoggerService = MessageLoggerService()
  46
  47     companion object {
  48         const val MAX_ERR_MSG_LEN = 128
  49     }
  50
  51     override suspend fun sendMessageNB(message: Any): Boolean {
  52         checkNotNull(messageProducerProperties.topic) { "default topic is not configured" }
  53         return sendMessageNB(messageProducerProperties.topic!!, message)
  54     }
  55
  56     override suspend fun sendMessageNB(message: Any, headers: MutableMap<String, String>?): Boolean {
  57         checkNotNull(messageProducerProperties.topic) { "default topic is not configured" }
  58         return sendMessageNB(messageProducerProperties.topic!!, message, headers)
  59     }
  60
  61     override suspend fun sendMessageNB(
  62         topic: String,
  63         message: Any,
  64         headers: MutableMap<String, String>?
  65     ): Boolean {
  66         var clonedMessage = message
  67         if (clonedMessage is ExecutionServiceOutput) {
  68             clonedMessage = truncateResponse(clonedMessage)
  69         }
  70
  71         val byteArrayMessage = when (clonedMessage) {
  72             is String -> clonedMessage.toByteArray(Charset.defaultCharset())
  73             else -> clonedMessage.asJsonString().toByteArray(Charset.defaultCharset())
  74         }
  75
  76         val record = ProducerRecord<String, ByteArray>(topic, defaultToUUID(), byteArrayMessage)
  77         val recordHeaders = record.headers()
  78         messageLoggerService.messageProducing(recordHeaders)
  79         headers?.let {
  80             headers.forEach { (key, value) -> recordHeaders.add(RecordHeader(key, value.toByteArray())) }
  81         }
  82         val callback = Callback { metadata, exception ->
  83             if (exception != null)
  84                 log.error("ERROR : ${exception.message}")
  85             else {
  86                 var logMessage = when (clonedMessage) {
  87                     is ExecutionServiceInput ->
  88                         "Request published to ${metadata.topic()} for CBA: ${clonedMessage.actionIdentifiers.blueprintName} version: ${clonedMessage.actionIdentifiers.blueprintVersion}"
  89                     is ExecutionServiceOutput ->
  90                         "Response published to ${metadata.topic()} for CBA: ${clonedMessage.actionIdentifiers.blueprintName} version: ${clonedMessage.actionIdentifiers.blueprintVersion}"
  91                     else -> "Message published to(${metadata.topic()}), offset(${metadata.offset()}), headers :$headers"
  92                 }
  93                 log.info(logMessage)
  94             }
  95         }
  96         messageTemplate().send(record, callback)
  97         return true
  98     }
  99
 100     fun messageTemplate(additionalConfig: Map<String, ByteArray>? = null): KafkaProducer<String, ByteArray> {
 101         log.trace("Producer client properties : ${ToStringBuilder.reflectionToString(messageProducerProperties)}")
 102         val configProps = messageProducerProperties.getConfig()
 103
 104         /** Add additional Properties */
 105         if (additionalConfig != null)
 106             configProps.putAll(additionalConfig)
 107
 108         if (kafkaProducer == null)
 109             kafkaProducer = KafkaProducer(configProps)
 110
 111         return kafkaProducer!!
 112     }
 113
 114     /**
 115      * Truncation of BP responses
 116      */
 117     private fun truncateResponse(executionServiceOutput: ExecutionServiceOutput): ExecutionServiceOutput {
 118         /** Truncation of error messages */
 119         var truncErrMsg = executionServiceOutput.status.errorMessage
 120         if (truncErrMsg != null && truncErrMsg.length > MAX_ERR_MSG_LEN) {
 121             truncErrMsg = "${truncErrMsg.substring(0,MAX_ERR_MSG_LEN)}" +
 122                     " [...]. Check Blueprint Processor logs for more information."
 123         }
 124         /** Truncation for Command Executor responses */
 125         var truncPayload = executionServiceOutput.payload.deepCopy()
 126         val workflowName = executionServiceOutput.actionIdentifiers.actionName
 127         if (truncPayload.path("$workflowName-response").has("execute-command-logs")) {
 128             var cmdExecLogNode = truncPayload.path("$workflowName-response") as ObjectNode
 129             cmdExecLogNode.replace("execute-command-logs", "Check Command Executor logs for more information.".asJsonPrimitive())
 130         }
 131         return ExecutionServiceOutput().apply {
 132             correlationUUID = executionServiceOutput.correlationUUID
 133             commonHeader = executionServiceOutput.commonHeader
 134             actionIdentifiers = executionServiceOutput.actionIdentifiers
 135             status = Status().apply {
 136                 code = executionServiceOutput.status.code
 137                 eventType = executionServiceOutput.status.eventType
 138                 timestamp = executionServiceOutput.status.timestamp
 139                 errorMessage = truncErrMsg
 140                 message = executionServiceOutput.status.message
 141             }
 142             payload = truncPayload
 143             stepData = executionServiceOutput.stepData
 144         }
 145     }
 146 }