1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* ============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.xnf.impl.adapters
import arrow.core.Either
import arrow.effects.IO
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfStatus.BUSY
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfStatus.DETAILED_STATUS_NODE
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfStatus.IDLE
import org.onap.dcae.collectors.veshv.utils.http.HttpConstants
import org.onap.dcae.collectors.veshv.utils.http.Response
import org.onap.dcae.collectors.veshv.utils.http.Responses
import org.onap.dcae.collectors.veshv.utils.http.sendAndHandleErrors
import org.onap.dcae.collectors.veshv.utils.http.sendEitherErrorOrResponse
import org.onap.dcae.collectors.veshv.utils.logging.Logger
import org.onap.dcae.collectors.veshv.ves.message.generator.api.ParsingError
import ratpack.handling.Chain
import ratpack.handling.Context
import ratpack.http.TypedData
import ratpack.server.RatpackServer
import ratpack.server.ServerConfig
import java.util.*
import javax.json.Json
/**
* @author Jakub Dudycz <jakub.dudycz@nokia.com>
* @since June 2018
*/
internal class XnfApiServer(
private val xnfSimulator: XnfSimulator,
private val ongoingSimulations: OngoingSimulations) {
fun start(port: Int): IO<RatpackServer> = IO {
RatpackServer.start { server ->
server.serverConfig(ServerConfig.embedded().port(port))
.handlers(this::configureHandlers)
}
}
private fun configureHandlers(chain: Chain) {
chain
.post("simulator", ::startSimulationHandler)
.post("simulator/async", ::startSimulationHandler)
.get("simulator/:id", ::simulatorStatusHandler)
.get("healthcheck", ::healthcheckHandler)
}
private fun startSimulationHandler(ctx: Context) {
logger.info { "Attempting to start asynchronous scenario" }
ctx.request.body.then { body ->
val id = startSimulation(body)
when (id) {
is Either.Left -> logger.warn { "Failed to start scenario, ${id.a}" }
is Either.Right -> logger.info { "Scenario started, details: ${id.b}" }
}
ctx.response.sendEitherErrorOrResponse(id)
}
}
private fun startSimulation(body: TypedData): Either<ParsingError, Response> {
return xnfSimulator.startSimulation(body.inputStream)
.map(ongoingSimulations::startAsynchronousSimulation)
.map(Responses::acceptedResponse)
}
private fun simulatorStatusHandler(ctx: Context) {
logger.debug { "Checking task status" }
val id = UUID.fromString(ctx.pathTokens["id"])
logger.debug { "Checking status for id: $id" }
val status = ongoingSimulations.status(id)
val response = Responses.statusResponse(status.toString(), status.message)
logger.info { "Task $id status: $response" }
ctx.response.sendAndHandleErrors(IO.just(response))
}
private fun healthcheckHandler(ctx: Context) {
val healthCheckDetailedMessage = createHealthCheckDetailedMessage()
val simulatorStatus = HttpConstants.STATUS_OK
logger.info { "Returning simulator status: ${simulatorStatus} ${healthCheckDetailedMessage}" }
ctx.response.status(simulatorStatus).send(healthCheckDetailedMessage)
}
private fun createHealthCheckDetailedMessage() =
Json.createObjectBuilder()
.add(DETAILED_STATUS_NODE, when {
ongoingSimulations.isAnySimulationPending() -> BUSY
else -> IDLE
})
.build().toString()
companion object {
private val logger = Logger(XnfApiServer::class)
}
}
|