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Fixed traffic splitting for endpoints with tag metadata
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119 changes: 119 additions & 0 deletions
119
.../allegro/tech/servicemesh/envoycontrol/trafficsplitting/WeightedClustersTagRoutingTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package pl.allegro.tech.servicemesh.envoycontrol.trafficsplitting | ||
|
|
||
| import TrafficSplitting.serviceName | ||
| import TrafficSplitting.upstreamServiceName | ||
| import callUpstreamServiceRepeatedly | ||
| import org.junit.jupiter.api.Test | ||
| import org.junit.jupiter.api.extension.RegisterExtension | ||
| import pl.allegro.tech.servicemesh.envoycontrol.config.Xds | ||
| import pl.allegro.tech.servicemesh.envoycontrol.config.consul.ConsulMultiClusterExtension | ||
| import pl.allegro.tech.servicemesh.envoycontrol.config.envoy.EnvoyExtension | ||
| import pl.allegro.tech.servicemesh.envoycontrol.config.envoycontrol.EnvoyControlClusteredExtension | ||
| import pl.allegro.tech.servicemesh.envoycontrol.config.service.EchoServiceExtension | ||
| import verifyCallsCountCloseTo | ||
| import verifyCallsCountEquals | ||
| import verifyIsReachable | ||
| import java.time.Duration | ||
|
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| class WeightedClustersTagRoutingTest { | ||
| companion object { | ||
| private const val forceTrafficZone = "dc2" | ||
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| private val properties = mapOf( | ||
| "logging.level.pl.allegro.tech.servicemesh.envoycontrol.snapshot.EnvoySnapshotFactory" to "DEBUG", | ||
| "envoy-control.envoy.snapshot.stateSampleDuration" to Duration.ofSeconds(0), | ||
| "envoy-control.sync.enabled" to true, | ||
| "envoy-control.envoy.snapshot.loadBalancing.trafficSplitting.zoneName" to forceTrafficZone, | ||
| "envoy-control.envoy.snapshot.loadBalancing.trafficSplitting.serviceByWeightsProperties.$serviceName.main" to 50, | ||
| "envoy-control.envoy.snapshot.loadBalancing.trafficSplitting.serviceByWeightsProperties.$serviceName.secondary" to 50, | ||
| "envoy-control.envoy.snapshot.routing.service-tags.enabled" to true, | ||
| "envoy-control.envoy.snapshot.routing.service-tags.metadata-key" to "x-service-tag", | ||
| "envoy-control.envoy.snapshot.loadBalancing.priorities.zonePriorities" to mapOf( | ||
| "dc1" to mapOf( | ||
| "dc1" to 0, | ||
| "dc2" to 1 | ||
| ), | ||
| "dc2" to mapOf( | ||
| "dc1" to 1, | ||
| "dc2" to 0, | ||
| ), | ||
| ) | ||
| ) | ||
|
|
||
| private val echo2Config = """ | ||
| node: | ||
| metadata: | ||
| proxy_settings: | ||
| outgoing: | ||
| routingPolicy: | ||
| serviceTagPreference: ["tag"] | ||
| dependencies: | ||
| - service: "service-1" | ||
| """.trimIndent() | ||
|
|
||
| private val config = Xds.copy(configOverride = echo2Config, serviceName = "echo2") | ||
|
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||
| @JvmField | ||
| @RegisterExtension | ||
| val consul = ConsulMultiClusterExtension() | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val envoyControl = | ||
| EnvoyControlClusteredExtension(consul.serverFirst, { properties }, listOf(consul)) | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val envoyControl2 = | ||
| EnvoyControlClusteredExtension(consul.serverSecond, { properties }, listOf(consul)) | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val echoServiceDC1 = EchoServiceExtension() | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val upstreamServiceDC1 = EchoServiceExtension() | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val upstreamServiceDC2 = EchoServiceExtension() | ||
|
|
||
| @JvmField | ||
| @RegisterExtension | ||
| val echoEnvoyDC1 = EnvoyExtension(envoyControl, localService = echoServiceDC1, config) | ||
| @JvmField | ||
| @RegisterExtension | ||
| val echoEnvoyDC2 = EnvoyExtension(envoyControl2) | ||
| } | ||
|
|
||
| @Test | ||
| fun `should route traffic according to weights with service tag`() { | ||
| consul.serverFirst.operations.registerServiceWithEnvoyOnEgress(echoEnvoyDC1, name = serviceName) | ||
|
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| consul.serverFirst.operations.registerService(upstreamServiceDC1, name = upstreamServiceName, tags = listOf("tag")) | ||
| echoEnvoyDC1.verifyIsReachable(upstreamServiceDC1, upstreamServiceName) | ||
|
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||
| consul.serverSecond.operations.registerService(upstreamServiceDC2, name = upstreamServiceName, tags = listOf("tag")) | ||
| echoEnvoyDC1.verifyIsReachable(upstreamServiceDC2, upstreamServiceName) | ||
|
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| echoEnvoyDC1.callUpstreamServiceRepeatedly(upstreamServiceDC1, upstreamServiceDC2, tag = "tag") | ||
| .verifyCallsCountCloseTo(upstreamServiceDC1, 50) | ||
| .verifyCallsCountCloseTo(upstreamServiceDC2, 50) | ||
| } | ||
|
|
||
| @Test | ||
| fun `should not split traffic with service tag if there are no endpoints in zone`() { | ||
| consul.serverFirst.operations.registerServiceWithEnvoyOnEgress(echoEnvoyDC1, name = serviceName) | ||
|
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| consul.serverFirst.operations.registerService(upstreamServiceDC1, name = upstreamServiceName, tags = listOf("tag")) | ||
| echoEnvoyDC1.verifyIsReachable(upstreamServiceDC1, upstreamServiceName) | ||
|
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| consul.serverSecond.operations.registerService(upstreamServiceDC2, name = upstreamServiceName, tags = listOf()) | ||
| echoEnvoyDC2.verifyIsReachable(upstreamServiceDC2, upstreamServiceName) | ||
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| echoEnvoyDC1.callUpstreamServiceRepeatedly(upstreamServiceDC1, upstreamServiceDC2, tag = "tag") | ||
| .verifyCallsCountCloseTo(upstreamServiceDC1, 100) | ||
| .verifyCallsCountEquals(upstreamServiceDC2, 0) | ||
| } | ||
| } |