serverless: Track metrics per function

This change adds metrics that are tracked per function instance, which
includes the runtime of the invocations, the number of invocations
(total, warm, cold, failed).

2 files changed, 5 insertions, 4 deletions

diff --git a/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/SimFunctionDeployer.kt b/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/SimFunctionDeployer.kt
index 160f8ebb..fd9d910a 100644
--- a/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/SimFunctionDeployer.kt
+++ b/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/SimFunctionDeployer.kt
@@ -24,7 +24,7 @@ package org.opendc.serverless.simulator
 
 import kotlinx.coroutines.*
 import kotlinx.coroutines.channels.Channel
-import org.opendc.serverless.api.ServerlessFunction
+import org.opendc.serverless.service.FunctionObject
 import org.opendc.serverless.service.deployer.FunctionDeployer
 import org.opendc.serverless.service.deployer.FunctionInstance
 import org.opendc.serverless.service.deployer.FunctionInstanceState
@@ -51,7 +51,7 @@ public class SimFunctionDeployer(
     private val mapper: SimServerlessWorkloadMapper
 ) : FunctionDeployer {
 
-    override fun deploy(function: ServerlessFunction): Instance {
+    override fun deploy(function: FunctionObject): Instance {
         val instance = Instance(function)
         instance.start()
         return instance
@@ -60,7 +60,7 @@ public class SimFunctionDeployer(
     /**
      * A simulated [FunctionInstance].
      */
-    public inner class Instance(override val function: ServerlessFunction) : FunctionInstance {
+    public inner class Instance(override val function: FunctionObject) : FunctionInstance {
         /**
          * The workload associated with this instance.
          */
diff --git a/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/workload/SimServerlessWorkloadMapper.kt b/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/workload/SimServerlessWorkloadMapper.kt
index 670f978d..3a47eb53 100644
--- a/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/workload/SimServerlessWorkloadMapper.kt
+++ b/simulator/opendc-serverless/opendc-serverless-simulator/src/main/kotlin/org/opendc/serverless/simulator/workload/SimServerlessWorkloadMapper.kt
@@ -23,6 +23,7 @@
 package org.opendc.serverless.simulator.workload
 
 import org.opendc.serverless.api.ServerlessFunction
+import org.opendc.serverless.service.FunctionObject
 
 /**
  * A [SimServerlessWorkloadMapper] is responsible for mapping a [ServerlessFunction] to a [SimServerlessWorkload] that
@@ -32,5 +33,5 @@ public fun interface SimServerlessWorkloadMapper {
     /**
      * Map the specified [function] to a [SimServerlessWorkload] that can be simulated.
      */
-    public fun createWorkload(function: ServerlessFunction): SimServerlessWorkload
+    public fun createWorkload(function: FunctionObject): SimServerlessWorkload
 }