From 5ff443c799322836d532fffb3ff8f720806c32b6 Mon Sep 17 00:00:00 2001
From: Fabian Mastenbroek <mail.fabianm@gmail.com>
Date: Mon, 16 Mar 2020 23:07:22 +0100
Subject: feat: Add failures to SC20 experiment

---
 .../atlarge/opendc/experiments/sc20/Sc20Monitor.kt  |  1 +
 .../opendc/experiments/sc20/TestExperiment.kt       | 21 ++++++++++++++++++---
 2 files changed, 19 insertions(+), 3 deletions(-)

(limited to 'opendc/opendc-experiments-sc20/src/main')

diff --git a/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/Sc20Monitor.kt b/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/Sc20Monitor.kt
index 6ce9cefa..d3b2d5c6 100644
--- a/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/Sc20Monitor.kt
+++ b/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/Sc20Monitor.kt
@@ -1,5 +1,6 @@
 package com.atlarge.opendc.experiments.sc20
 
+import com.atlarge.odcsim.simulationContext
 import com.atlarge.opendc.compute.core.Server
 import com.atlarge.opendc.compute.core.ServerState
 import com.atlarge.opendc.compute.core.monitor.ServerMonitor
diff --git a/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/TestExperiment.kt b/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/TestExperiment.kt
index e47438f0..a1619fe2 100644
--- a/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/TestExperiment.kt
+++ b/opendc/opendc-experiments-sc20/src/main/kotlin/com/atlarge/opendc/experiments/sc20/TestExperiment.kt
@@ -30,6 +30,8 @@ import com.atlarge.opendc.compute.core.Flavor
 import com.atlarge.opendc.compute.metal.service.ProvisioningService
 import com.atlarge.opendc.compute.virt.service.SimpleVirtProvisioningService
 import com.atlarge.opendc.compute.virt.service.allocation.AvailableMemoryAllocationPolicy
+import com.atlarge.opendc.core.failure.FailureDomain
+import com.atlarge.opendc.core.failure.UncorrelatedFaultInjector
 import com.atlarge.opendc.format.environment.sc20.Sc20ClusterEnvironmentReader
 import com.atlarge.opendc.format.trace.sc20.Sc20PerformanceInterferenceReader
 import com.atlarge.opendc.format.trace.sc20.Sc20TraceReader
@@ -37,11 +39,11 @@ import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.xenomachina.argparser.ArgParser
 import com.xenomachina.argparser.default
+import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import java.io.File
-import java.io.FileInputStream
 import java.io.FileReader
 import java.util.ServiceLoader
 import kotlin.math.max
@@ -88,12 +90,14 @@ fun main(args: Array<String>) {
         val system = provider("test")
         val root = system.newDomain("root")
 
+        val chan = Channel<Unit>(Channel.CONFLATED)
+
         root.launch {
             val environment = Sc20ClusterEnvironmentReader(File(environmentFile))
                 .use { it.construct(root) }
 
             val performanceInterferenceStream = if (performanceInterferenceFile != null) {
-                FileInputStream(File(performanceInterferenceFile!!))
+                File(performanceInterferenceFile!!).inputStream().buffered()
             } else {
                 object {}.javaClass.getResourceAsStream("/env/performance-interference.json")
             }
@@ -103,17 +107,28 @@ fun main(args: Array<String>) {
 
             println(simulationContext.clock.instant())
 
+            val bareMetalProvisioner = environment.platforms[0].zones[0].services[ProvisioningService.Key]
+
             val scheduler = SimpleVirtProvisioningService(
                 AvailableMemoryAllocationPolicy(),
                 simulationContext,
-                environment.platforms[0].zones[0].services[ProvisioningService.Key],
+                bareMetalProvisioner,
                 monitor
             )
 
+            root.launch {
+                chan.receive()
+                val faultInjector = UncorrelatedFaultInjector(mu = 2e7)
+                for (node in bareMetalProvisioner.nodes()) {
+                    faultInjector.enqueue(node.metadata["driver"] as FailureDomain)
+                }
+            }
+
             val reader = Sc20TraceReader(File(traceDirectory), performanceInterferenceModel, getSelectedVmList())
             while (reader.hasNext()) {
                 val (time, workload) = reader.next()
                 delay(max(0, time - simulationContext.clock.millis()))
+                chan.send(Unit)
                 scheduler.deploy(workload.image, monitor, Flavor(workload.image.cores, workload.image.requiredMemory))
             }
 
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