diff options
Diffstat (limited to 'opendc-compute/opendc-compute-service')
2 files changed, 26 insertions, 3 deletions
diff --git a/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/ComputeServiceImpl.kt b/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/ComputeServiceImpl.kt index 2a07a208..292feabe 100644 --- a/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/ComputeServiceImpl.kt +++ b/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/ComputeServiceImpl.kt @@ -26,6 +26,7 @@ import io.opentelemetry.api.common.AttributeKey import io.opentelemetry.api.common.Attributes import io.opentelemetry.api.metrics.Meter import io.opentelemetry.api.metrics.MeterProvider +import io.opentelemetry.api.metrics.ObservableLongMeasurement import kotlinx.coroutines.* import mu.KotlinLogging import org.opendc.compute.api.* @@ -173,6 +174,12 @@ internal class ComputeServiceImpl( result.observe(available, upState) result.observe(total - available, downState) } + + meter.gaugeBuilder("system.time.provision") + .setDescription("The most recent timestamp where the server entered a provisioned state") + .setUnit("1") + .ofLongs() + .buildWithCallback(::collectProvisionTime) } override fun newClient(): ComputeClient { @@ -324,8 +331,10 @@ internal class ComputeServiceImpl( internal fun schedule(server: InternalServer): SchedulingRequest { logger.debug { "Enqueueing server ${server.uid} to be assigned to host." } + val now = clock.millis() + val request = SchedulingRequest(server, now) - val request = SchedulingRequest(server, clock.millis()) + server.lastProvisioningTimestamp = now queue.add(request) _serversPending.add(1) requestSchedulingCycle() @@ -501,4 +510,13 @@ internal class ComputeServiceImpl( requestSchedulingCycle() } } + + /** + * Collect the timestamp when each server entered its provisioning state most recently. + */ + private fun collectProvisionTime(result: ObservableLongMeasurement) { + for ((_, server) in servers) { + result.observe(server.lastProvisioningTimestamp, server.attributes) + } + } } diff --git a/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/InternalServer.kt b/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/InternalServer.kt index 05a7e1bf..f1b92c66 100644 --- a/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/InternalServer.kt +++ b/opendc-compute/opendc-compute-service/src/main/kotlin/org/opendc/compute/service/internal/InternalServer.kt @@ -55,7 +55,7 @@ internal class InternalServer( /** * The attributes of a server. */ - internal val attributes: Attributes = Attributes.builder() + @JvmField internal val attributes: Attributes = Attributes.builder() .put(ResourceAttributes.HOST_NAME, name) .put(ResourceAttributes.HOST_ID, uid.toString()) .put(ResourceAttributes.HOST_TYPE, flavor.name) @@ -70,7 +70,12 @@ internal class InternalServer( /** * The [Host] that has been assigned to host the server. */ - internal var host: Host? = null + @JvmField internal var host: Host? = null + + /** + * The most recent timestamp when the server entered a provisioning state. + */ + @JvmField internal var lastProvisioningTimestamp: Long = Long.MIN_VALUE /** * The current scheduling request. |