2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.simulators.dcaeapp.impl.adapters
22 import arrow.effects.IO
23 import org.onap.dcae.collectors.veshv.simulators.dcaeapp.impl.DcaeAppSimulator
24 import org.onap.dcae.collectors.veshv.utils.http.HttpConstants
25 import org.onap.dcae.collectors.veshv.utils.http.HttpStatus
26 import org.onap.dcae.collectors.veshv.utils.http.Responses
27 import org.onap.dcae.collectors.veshv.utils.http.sendAndHandleErrors
28 import org.onap.dcae.collectors.veshv.utils.http.sendOrError
29 import org.onap.dcae.collectors.veshv.utils.logging.Logger
30 import ratpack.handling.Chain
31 import ratpack.server.RatpackServer
32 import ratpack.server.ServerConfig
35 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
38 class DcaeAppApiServer(private val simulator: DcaeAppSimulator) {
39 private val responseValid by lazy {
40 Responses.statusResponse(
42 message = VALID_RESPONSE_MESSAGE
46 private val responseInvalid by lazy {
47 Responses.statusResponse(
49 message = INVALID_RESPONSE_MESSAGE,
50 httpStatus = HttpStatus.BAD_REQUEST
55 fun start(port: Int, kafkaTopics: Set<String>): IO<RatpackServer> =
56 simulator.listenToTopics(kafkaTopics).map {
57 RatpackServer.start { server ->
58 server.serverConfig(ServerConfig.embedded().port(port))
59 .handlers(::setupHandlers)
63 private fun setupHandlers(chain: Chain) {
65 .put("configuration/topics") { ctx ->
66 ctx.request.body.then { body ->
67 val operation = simulator.listenToTopics(body.text)
68 ctx.response.sendOrError(operation)
72 .delete("messages") { ctx ->
73 ctx.response.contentType(CONTENT_TEXT)
74 logger.info { "Resetting simulator state" }
75 ctx.response.sendOrError(simulator.resetState())
77 .get("messages/all/count") { ctx ->
78 logger.info { "Processing request for count of received messages" }
79 simulator.state().fold(
81 ctx.response.status(HttpConstants.STATUS_NOT_FOUND)
82 logger.warn { "Error - number of messages could not be specified" }
85 logger.info { "Returned number of received messages: ${it.messagesCount}" }
87 .contentType(CONTENT_TEXT)
88 .send(it.messagesCount.toString())
91 .post("messages/all/validate") { ctx ->
92 ctx.request.body.then { body ->
93 logger.info { "Processing request for message validation" }
94 val response = simulator.validate(body.inputStream)
97 logger.info { "Comparison result: $VALID_RESPONSE_MESSAGE" }
100 logger.info { "Comparison result: $INVALID_RESPONSE_MESSAGE" }
104 ctx.response.sendAndHandleErrors(response)
107 .get("healthcheck") { ctx ->
108 val status = HttpConstants.STATUS_OK
109 logger.info { "Healthcheck OK, returning status: $status" }
110 ctx.response.status(status).send()
115 private const val CONTENT_TEXT = "text/plain"
116 private const val VALID_RESPONSE_MESSAGE = "validation passed"
117 private const val INVALID_RESPONSE_MESSAGE = "consumed messages don't match data from validation request"
118 private val logger = Logger(DcaeAppApiServer::class)