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authorPiotr Jaszczyk <piotr.jaszczyk@nokia.com>2018-06-12 12:16:19 +0200
committerPiotr Jaszczyk <piotr.jaszczyk@nokia.com>2018-08-02 07:36:34 +0200
commit39ceb737a99abfcff47bd5b3d819d2d3876db519 (patch)
tree775aeb9f00f86bbd636676f6773ce00ce14b3564
parent9bdb7d9b45ade3b4181c15729fdbb6a53410cebc (diff)
Basic Ratpack API in DCAE APP Simulator
Closes ONAP-266 Change-Id: Iaa000e976fcdc4274aa88ce7d0a6cd5866987680 Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com> Issue-ID: DCAEGEN2-601
-rw-r--r--hv-collector-dcae-app-simulator/pom.xml8
-rw-r--r--hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/kafka/KafkaSource.kt69
-rw-r--r--hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/main.kt37
-rw-r--r--hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/remote/ApiServer.kt45
-rw-r--r--hv-collector-dcae-app-simulator/src/main/resources/logback.xml36
-rw-r--r--pom.xml5
6 files changed, 196 insertions, 4 deletions
diff --git a/hv-collector-dcae-app-simulator/pom.xml b/hv-collector-dcae-app-simulator/pom.xml
index a7123e38..5796f1d2 100644
--- a/hv-collector-dcae-app-simulator/pom.xml
+++ b/hv-collector-dcae-app-simulator/pom.xml
@@ -70,6 +70,14 @@
<version>${project.parent.version}</version>
</dependency>
<dependency>
+ <groupId>io.ratpack</groupId>
+ <artifactId>ratpack-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>io.projectreactor.kafka</groupId>
+ <artifactId>reactor-kafka</artifactId>
+ </dependency>
+ <dependency>
<groupId>commons-cli</groupId>
<artifactId>commons-cli</artifactId>
</dependency>
diff --git a/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/kafka/KafkaSource.kt b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/kafka/KafkaSource.kt
new file mode 100644
index 00000000..b0725d13
--- /dev/null
+++ b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/kafka/KafkaSource.kt
@@ -0,0 +1,69 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.simulators.dcaeapp.kafka
+
+import org.apache.kafka.clients.consumer.ConsumerConfig
+import org.apache.kafka.common.serialization.ByteArrayDeserializer
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
+import reactor.core.publisher.Mono
+import reactor.kafka.receiver.KafkaReceiver
+import reactor.kafka.receiver.ReceiverOptions
+import reactor.kafka.receiver.ReceiverRecord
+import java.util.*
+import java.util.concurrent.atomic.AtomicLong
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since May 2018
+ */
+class KafkaSource(private val receiver: KafkaReceiver<ByteArray, ByteArray>) {
+
+ private val consumedMessages = AtomicLong(0)
+
+ fun start(): Mono<Void> = Mono.create { sink ->
+ receiver.doOnConsumer { it.subscription() }.subscribe({ sink.success() }, sink::error)
+ receiver.receive().subscribe(this::update)
+ }
+
+ fun consumedMessages() = consumedMessages.get()
+
+ private fun update(record: ReceiverRecord<ByteArray, ByteArray>) {
+ consumedMessages.incrementAndGet()
+ }
+
+ companion object {
+ private val logger = Logger(KafkaSource::class)
+
+ fun create(bootstrapServers: String, topics: Set<String>): KafkaSource {
+ val props = HashMap<String, Any>()
+ props[ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG] = bootstrapServers
+ props[ConsumerConfig.CLIENT_ID_CONFIG] = "hv-collector-dcae-app-simulator"
+ props[ConsumerConfig.GROUP_ID_CONFIG] = "hv-collector-simulators"
+ props[ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG] = ByteArrayDeserializer::class.java
+ props[ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG] = ByteArrayDeserializer::class.java
+ props[ConsumerConfig.AUTO_OFFSET_RESET_CONFIG] = "earliest"
+ val receiverOptions = ReceiverOptions.create<ByteArray, ByteArray>(props)
+ .addAssignListener { partitions -> logger.debug { "onPartitionsAssigned $partitions" } }
+ .addRevokeListener { partitions -> logger.debug { "onPartitionsRevoked $partitions" } }
+ .subscription(topics)
+ return KafkaSource(KafkaReceiver.create(receiverOptions))
+ }
+ }
+} \ No newline at end of file
diff --git a/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/main.kt b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/main.kt
index a03dbcdb..75c28c48 100644
--- a/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/main.kt
+++ b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/main.kt
@@ -1,9 +1,38 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
package org.onap.dcae.collectors.veshv.simulators.dcaeapp
+import org.onap.dcae.collectors.veshv.simulators.dcaeapp.kafka.KafkaSource
+import org.onap.dcae.collectors.veshv.simulators.dcaeapp.remote.ApiServer
+import org.onap.dcae.collectors.veshv.utils.logging.Logger
import org.slf4j.LoggerFactory
-private val logger = LoggerFactory.getLogger("Dcae simulator :: main")
+private val logger = Logger(LoggerFactory.getLogger("DCAE simulator :: main"))
-fun main(args : Array<String>){
- logger.info("Hello world!")
-} \ No newline at end of file
+fun main(args: Array<String>) {
+ logger.info("Starting DCAE APP simulator")
+ val port = 8080
+ val messageSource = KafkaSource.create("kafka:9092", setOf("ves_hvRanMeas"))
+ val apiServer = ApiServer(messageSource)
+
+ messageSource.start()
+ .then(apiServer.start(port))
+ .block()
+}
diff --git a/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/remote/ApiServer.kt b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/remote/ApiServer.kt
new file mode 100644
index 00000000..3f4e4fc8
--- /dev/null
+++ b/hv-collector-dcae-app-simulator/src/main/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/remote/ApiServer.kt
@@ -0,0 +1,45 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.collectors.veshv.simulators.dcaeapp.remote
+
+import org.onap.dcae.collectors.veshv.simulators.dcaeapp.kafka.KafkaSource
+import ratpack.handling.Chain
+import ratpack.server.RatpackServer
+import ratpack.server.ServerConfig
+import reactor.core.publisher.Mono
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since May 2018
+ */
+class ApiServer(private val messageSource: KafkaSource) {
+ fun start(port: Int): Mono<RatpackServer> = Mono.fromCallable {
+ RatpackServer.of { server ->
+ server.serverConfig(ServerConfig.embedded().port(port))
+ .handlers(this::setupHandlers)
+ }
+ }.doOnNext(RatpackServer::start)
+
+ private fun setupHandlers(chain: Chain) {
+ chain.get("messages/count") { ctx ->
+ ctx.response.send(messageSource.consumedMessages().toString())
+ }
+ }
+}
diff --git a/hv-collector-dcae-app-simulator/src/main/resources/logback.xml b/hv-collector-dcae-app-simulator/src/main/resources/logback.xml
new file mode 100644
index 00000000..48da3b18
--- /dev/null
+++ b/hv-collector-dcae-app-simulator/src/main/resources/logback.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+ <property name="LOG_FILE"
+ value="${LOG_FILE:-${LOG_PATH:-${LOG_TEMP:-${java.io.tmpdir:-/tmp}}/}ves-hv.log}"/>
+ <property name="FILE_LOG_PATTERN" value="%d{yyyy-MM-dd'T'HH:mm:ss.SSSXXX,UTC} %-5level [%-40.40logger{10}] - %msg%n"/>
+
+ <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+ <encoder>
+ <pattern>
+ %d{yyyy-MM-dd'T'HH:mm:ss.SSSXXX,UTC} %highlight(%-5level) [%-40.40logger{10}] - %msg%n
+ </pattern>
+ </encoder>
+ </appender>
+
+ <appender name="ROLLING-FILE"
+ class="ch.qos.logback.core.rolling.RollingFileAppender">
+ <encoder>
+ <pattern>${FILE_LOG_PATTERN}</pattern>
+ </encoder>
+ <file>${LOG_FILE}</file>
+ <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+ <fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.log</fileNamePattern>
+ <maxFileSize>50MB</maxFileSize>
+ <maxHistory>30</maxHistory>
+ <totalSizeCap>10GB</totalSizeCap>
+ </rollingPolicy>
+ </appender>
+
+ <logger name="org.onap.dcae.collectors.veshv" level="INFO"/>
+ <!--<logger name="reactor.ipc.netty" level="DEBUG"/>-->
+
+ <root level="INFO">
+ <appender-ref ref="CONSOLE"/>
+ <appender-ref ref="ROLLING-FILE"/>
+ </root>
+</configuration> \ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 6ac05ec5..d2c58865 100644
--- a/pom.xml
+++ b/pom.xml
@@ -489,6 +489,11 @@
<artifactId>javax.json</artifactId>
<version>1.1.2</version>
</dependency>
+ <dependency>
+ <groupId>io.ratpack</groupId>
+ <artifactId>ratpack-core</artifactId>
+ <version>1.5.4</version>
+ </dependency>
<!-- Test dependencies -->