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|
/*
* =========================================================================================
* Copyright © 2013-2014 the kamon project <http://kamon.io/>
*
* 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.
* =========================================================================================
*/
package kamon.newrelic
import akka.actor.{ ActorRef, ActorSystem }
import akka.io.IO
import akka.testkit._
import com.typesafe.config.ConfigFactory
import kamon.metric.{ TraceMetrics, Metrics }
import kamon.{ Kamon, AkkaExtensionSwap }
import kamon.metric.Subscriptions.TickMetricSnapshot
import org.scalatest.{ Matchers, WordSpecLike }
import spray.can.Http
import spray.http.Uri.Query
import spray.http._
import spray.httpx.encoding.Deflate
import spray.httpx.{ RequestBuilding, SprayJsonSupport }
import scala.concurrent.duration._
import spray.json._
class MetricReporterSpec extends TestKitBase with WordSpecLike with Matchers with RequestBuilding with SprayJsonSupport {
import kamon.newrelic.JsonProtocol._
implicit lazy val system: ActorSystem = ActorSystem("metric-reporter-spec", ConfigFactory.parseString(
"""
|akka {
| loggers = ["akka.testkit.TestEventListener"]
| loglevel = "INFO"
|}
|kamon {
| metric {
| tick-interval = 1 hour
| }
|}
|
""".stripMargin))
val agentSettings = Agent.Settings("1111111111", "kamon", "test-host", 1, 1, 30 seconds, 1D)
val baseQuery = Query(
"license_key" -> agentSettings.licenseKey,
"marshal_format" -> "json",
"protocol_version" -> "12")
val baseCollectorUri = Uri("http://collector-1.newrelic.com/agent_listener/invoke_raw_method").withQuery(baseQuery)
"the MetricReporter" should {
"report metrics to New Relic upon arrival" in new FakeTickSnapshotsFixture {
val httpManager = setHttpManager(TestProbe())
val metricReporter = system.actorOf(MetricReporter.props(agentSettings, 9999, baseCollectorUri))
metricReporter ! firstSnapshot
val metricPost = httpManager.expectMsgType[HttpRequest]
metricPost.method should be(HttpMethods.POST)
metricPost.uri should be(rawMethodUri("collector-1.newrelic.com", "metric_data"))
metricPost.encoding should be(HttpEncodings.deflate)
val postedBatch = Deflate.decode(metricPost).entity.asString.parseJson.convertTo[MetricBatch]
postedBatch.runID should be(9999)
postedBatch.timeSliceMetrics.from should be(1415587618)
postedBatch.timeSliceMetrics.to should be(1415587678)
val metrics = postedBatch.timeSliceMetrics.metrics
metrics(MetricID("Apdex", None)).callCount should be(3)
metrics(MetricID("WebTransaction", None)).callCount should be(3)
metrics(MetricID("HttpDispatcher", None)).callCount should be(3)
}
"accumulate metrics if posting fails" in new FakeTickSnapshotsFixture {
val httpManager = setHttpManager(TestProbe())
val metricReporter = system.actorOf(MetricReporter.props(agentSettings, 9999, baseCollectorUri))
metricReporter ! firstSnapshot
val request = httpManager.expectMsgType[HttpRequest]
httpManager.reply(Timedout(request))
metricReporter ! secondSnapshot
val metricPost = httpManager.expectMsgType[HttpRequest]
metricPost.method should be(HttpMethods.POST)
metricPost.uri should be(rawMethodUri("collector-1.newrelic.com", "metric_data"))
metricPost.encoding should be(HttpEncodings.deflate)
val postedBatch = Deflate.decode(metricPost).entity.asString.parseJson.convertTo[MetricBatch]
postedBatch.runID should be(9999)
postedBatch.timeSliceMetrics.from should be(1415587618)
postedBatch.timeSliceMetrics.to should be(1415587738)
val metrics = postedBatch.timeSliceMetrics.metrics
metrics(MetricID("Apdex", None)).callCount should be(6)
metrics(MetricID("WebTransaction", None)).callCount should be(6)
metrics(MetricID("HttpDispatcher", None)).callCount should be(6)
}
}
def setHttpManager(probe: TestProbe): TestProbe = {
AkkaExtensionSwap.swap(system, Http, new IO.Extension {
def manager: ActorRef = probe.ref
})
probe
}
def rawMethodUri(host: String, methodName: String): Uri = {
Uri(s"http://$host/agent_listener/invoke_raw_method").withQuery(
"method" -> methodName,
"run_id" -> "9999",
"license_key" -> "1111111111",
"marshal_format" -> "json",
"protocol_version" -> "12")
}
def compactJsonEntity(jsonString: String): HttpEntity = {
import spray.json._
val compactJson = jsonString.parseJson.compactPrint
HttpEntity(ContentTypes.`application/json`, compactJson)
}
trait FakeTickSnapshotsFixture {
val testTraceID = TraceMetrics("example-trace")
val recorder = Kamon(Metrics).register(testTraceID, TraceMetrics.Factory).get
val collectionContext = Kamon(Metrics).buildDefaultCollectionContext
def collectRecorder = recorder.collect(collectionContext)
recorder.elapsedTime.record(1000000)
recorder.elapsedTime.record(2000000)
recorder.elapsedTime.record(3000000)
val firstSnapshot = TickMetricSnapshot(1415587618000L, 1415587678000L, Map(testTraceID -> collectRecorder))
recorder.elapsedTime.record(6000000)
recorder.elapsedTime.record(5000000)
recorder.elapsedTime.record(4000000)
val secondSnapshot = TickMetricSnapshot(1415587678000L, 1415587738000L, Map(testTraceID -> collectRecorder))
}
}
|
