compute: Add lifecycle methods for Server instances

This change adds more methods for controlling the lifecycle of Server instances.

3 files changed, 27 insertions, 10 deletions

diff --git a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
index 025513e6..c7c507ed 100644
--- a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
+++ b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ComputeClient.kt
@@ -32,11 +32,13 @@ public interface ComputeClient : AutoCloseable {
      * @param name The name of the server to deploy.
      * @param image The image to be deployed.
      * @param flavor The flavor of the machine instance to run this [image] on.
+     * @param start A flag to indicate that the server should be started immediately.
      */
     public suspend fun newServer(
         name: String,
         image: Image,
-        flavor: Flavor
+        flavor: Flavor,
+        start: Boolean = true
     ): Server
 
     /**
diff --git a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/Server.kt b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/Server.kt
index ab1eb860..a4f61c03 100644
--- a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/Server.kt
+++ b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/Server.kt
@@ -54,6 +54,21 @@ public interface Server : Resource {
     public val state: ServerState
 
     /**
+     * Start the server.
+     */
+    public suspend fun start()
+
+    /**
+     * Stop the server.
+     */
+    public suspend fun stop()
+
+    /**
+     * Delete the server instance from the service.
+     */
+    public suspend fun delete()
+
+    /**
      * Register the specified [ServerWatcher] to watch the state of the server.
      *
      * @param watcher The watcher to register for the server.
diff --git a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ServerState.kt b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ServerState.kt
index 25d2e519..a4d7d7d7 100644
--- a/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ServerState.kt
+++ b/simulator/opendc-compute/opendc-compute-api/src/main/kotlin/org/opendc/compute/api/ServerState.kt
@@ -27,27 +27,27 @@ package org.opendc.compute.api
  */
 public enum class ServerState {
     /**
-     * The server has not yet finished the original build process.
+     * Resources are being allocated for the instance. The instance is not running yet.
      */
-    BUILD,
+    PROVISIONING,
 
     /**
-     * The server was powered down by the user.
+     * A user shut down the instance.
      */
-    SHUTOFF,
+    TERMINATED,
 
     /**
-     * The server is active and running.
+     * The server instance is booting up or running.
      */
-    ACTIVE,
+    RUNNING,
 
     /**
-     * The server is in error.
+     * The server is in an error state.
      */
     ERROR,
 
     /**
-     * The state of the server is unknown.
+     * The server has been deleted and cannot be started later on.
      */
-    UNKNOWN,
+    DELETED,
 }