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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.influxdb
import akka.actor.{ ActorRef, Props }
import akka.io.{ IO, Udp }
import akka.testkit.TestProbe
import com.typesafe.config.{ Config, ConfigFactory }
import kamon.metric.SubscriptionsDispatcher.TickMetricSnapshot
import kamon.metric.{ Entity, EntitySnapshot }
import kamon.testkit.BaseKamonSpec
import spray.http.HttpRequest
import spray.httpx.RequestBuilding.Post
import spray.httpx.encoding.Deflate
class HttpBasedInfluxDBMetricSenderSpec extends BaseKamonSpec("udp-based-influxdb-metric-sender-spec") {
override lazy val config = ConfigFactory.load("http_test")
class HttpSenderFixture(influxDBConfig: Config) extends SenderFixture {
def setup(metrics: Map[Entity, EntitySnapshot]): TestProbe = {
val http = TestProbe()
val metricsSender = system.actorOf(newSender(http))
val fakeSnapshot = TickMetricSnapshot(from, to, metrics)
metricsSender ! fakeSnapshot
http
}
def getHttpRequest(http: TestProbe): HttpRequest = {
http.expectMsgType[HttpRequest]
}
def newSender(httpProbe: TestProbe) =
Props(new BatchInfluxDBMetricsPacker(influxDBConfig) {
override protected def httpRef: ActorRef = httpProbe.ref
override def timestamp = from.millis
})
}
"the HttpSender" should {
val influxDBConfig = config.getConfig("kamon.influxdb")
val configWithAuthAndRetention = config.getConfig("kamon.influx-with-auth-and-rp")
val configWithHostnameOverride = config.getConfig("kamon.influxdb-hostname-override")
"use the overriden hostname, if provided" in new HttpSenderFixture(configWithHostnameOverride) {
val testrecorder = buildRecorder("user/kamon")
testrecorder.counter.increment()
val http = setup(Map(testEntity -> testrecorder.collect(collectionContext)))
val expectedMessage = s"kamon-counters,category=test,entity=user-kamon,hostname=overridden,metric=metric-two value=1 ${from.millis * 1000000}"
val request = getHttpRequest(http)
val requestData = request.entity.asString.split("\n")
requestData should contain(expectedMessage)
}
"connect to the correct database" in new HttpSenderFixture(influxDBConfig) {
val testrecorder = buildRecorder("user/kamon")
val http = setup(Map(testEntity -> testrecorder.collect(collectionContext)))
val request = getHttpRequest(http)
val query = request.uri.query.toMap
query("db") shouldBe influxDBConfig.getString("database")
}
"use authentication and retention policy are defined" in new HttpSenderFixture(configWithAuthAndRetention) {
val testrecorder = buildRecorder("user/kamon")
val http = setup(Map(testEntity -> testrecorder.collect(collectionContext)))
val request = getHttpRequest(http)
val query = request.uri.query.toMap
query("u") shouldBe configWithAuthAndRetention.getString("authentication.user")
query("p") shouldBe configWithAuthAndRetention.getString("authentication.password")
query("rp") shouldBe configWithAuthAndRetention.getString("retention-policy")
}
"send counters in a correct format" in new HttpSenderFixture(influxDBConfig) {
val testrecorder = buildRecorder("user/kamon")
(0 to 2).foreach(_ ⇒ testrecorder.counter.increment())
val http = setup(Map(testEntity -> testrecorder.collect(collectionContext)))
val expectedMessage = s"kamon-counters,category=test,entity=user-kamon,hostname=$hostName,metric=metric-two value=3 ${from.millis * 1000000}"
val request = getHttpRequest(http)
val requestData = request.entity.asString.split("\n")
requestData should contain(expectedMessage)
}
"send histograms in a correct format" in new HttpSenderFixture(influxDBConfig) {
val testRecorder = buildRecorder("user/kamon")
testRecorder.histogramOne.record(10L)
testRecorder.histogramOne.record(5L)
val http = setup(Map(testEntity -> testRecorder.collect(collectionContext)))
val expectedMessage = s"kamon-timers,category=test,entity=user-kamon,hostname=$hostName,metric=metric-one mean=7.5,lower=5,upper=10,p70.5=10,p50=5 ${from.millis * 1000000}"
val request = getHttpRequest(http)
val requestData = request.entity.asString.split("\n")
requestData should contain(expectedMessage)
}
}
}
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