dgrove-oss commented on a change in pull request #3338: implement
suspend/resume for KubernetesContainer
URL:
https://github.com/apache/incubator-openwhisk/pull/3338#discussion_r170916241
##########
File path:
core/invoker/src/main/scala/whisk/core/containerpool/kubernetes/KubernetesClient.scala
##########
@@ -99,43 +116,139 @@ class KubernetesClient(
}
protected val kubectlCmd = Seq(findKubectlCmd)
- def run(name: String, image: String, args: Seq[String] = Seq.empty[String])(
- implicit transid: TransactionId): Future[ContainerId] = {
- runCmd(Seq("run", name, s"--image=$image") ++ args, timeouts.run)
- .map(_ => ContainerId(name))
- }
+ def run(name: String,
+ image: String,
+ memory: ByteSize = 256.MB,
+ environment: Map[String, String] = Map(),
+ labels: Map[String, String] = Map())(implicit transid:
TransactionId): Future[KubernetesContainer] = {
+
+ val envVars = environment.map {
+ case (key, value) => new
EnvVarBuilder().withName(key).withValue(value).build()
+ }.toSeq
+
+ val pod = new PodBuilder()
+ .withNewMetadata()
+ .withName(name)
+ .addToLabels("name", name)
+ .addToLabels(labels.asJava)
+ .endMetadata()
+ .withNewSpec()
+ .withRestartPolicy("Always")
+ .addNewContainer()
+ .withNewResources()
+ .withLimits(Map("memory" -> new Quantity(memory.toMB + "Mi")).asJava)
+ .endResources()
+ .withName("user-action")
+ .withImage(image)
+ .withEnv(envVars.asJava)
+ .addNewPort()
+ .withContainerPort(8080)
+ .withName("action")
+ .endPort()
+ .endContainer()
+ .endSpec()
+ .build()
+
+ kubeRestClient.pods.inNamespace("openwhisk").create(pod)
- def inspectIPAddress(id: ContainerId)(implicit transid: TransactionId):
Future[ContainerAddress] = {
Future {
blocking {
- val pod =
-
kubeRestClient.pods().withName(id.asString).waitUntilReady(timeouts.inspect.length,
timeouts.inspect.unit)
- ContainerAddress(pod.getStatus().getPodIP())
+ val createdPod = kubeRestClient.pods
+ .inNamespace("openwhisk")
+ .withName(name)
+ .waitUntilReady(config.timeouts.run.length, config.timeouts.run.unit)
+ toContainer(createdPod)
}
}.recoverWith {
case e =>
- log.error(this, s"Failed to get IP of Pod '${id.asString}' within
timeout: ${e.getClass} - ${e.getMessage}")
- Future.failed(new Exception(s"Failed to get IP of Pod
'${id.asString}'"))
+ log.error(this, s"Failed create pod for '$name': ${e.getClass} -
${e.getMessage}")
+ Future.failed(new Exception(s"Failed to create pod '$name'"))
+ }
+ }
+
+ def rm(container: KubernetesContainer)(implicit transid: TransactionId):
Future[Unit] = {
+ runCmd(Seq("delete", "--now", "pod", container.id.asString),
config.timeouts.rm).map(_ => ())
+ }
+
+ def rm(key: String, value: String)(implicit transid: TransactionId):
Future[Unit] = {
+ if (config.invokerAgent.enabled) {
+ Future {
+ blocking {
+ kubeRestClient
+ .inNamespace("openwhisk")
Review comment:
good point. Moved the namespace value into application.conf.
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