Weathertop: Allow plugin stacks to specify ephemeral storage sizes (#6968)

* Weathertop: Allow plugin stacks to specify ephemeral storage sizes

* Document resource types.

Author: DavidSouther

.tools/test/stacks/config/targets.ts

@@ -7,8 +7,10 @@ import { parse } from "yaml";
 interface AccountConfig {
   account_id: string;
   status: "enabled" | "disabled";
-  vcpus?: string;
-  memory?: string;
+  // https://docs.aws.amazon.com/batch/latest/APIReference/API_ResourceRequirement.html
+  vcpus?: string; // Count
+  memory?: string; // MiB, but limited based on vCPU count, see docs
+  storage?: string; // GiB, 20GiB to 200GiB
 }
 
 interface AccountConfigs {

.tools/test/stacks/plugin/typescript/plugin_stack.ts

@@ -24,6 +24,7 @@ class PluginStack extends cdk.Stack {
   private adminAccountId: string;
   private batchMemory: string;
   private batchVcpus: string;
+  private batchStorage: string;
 
   constructor(scope: Construct, id: string, props?: cdk.StackProps) {
     super(scope, id, props);
@@ -40,8 +41,10 @@ class PluginStack extends cdk.Stack {
     const sqsQueue = new sqs.Queue(this, `BatchJobQueue-${toolName}`);
     if (acctConfig[`${toolName}`].status === "enabled") {
       this.initSubscribeSns(sqsQueue, snsTopic);
-      this.batchMemory = acctConfig[`${toolName}`]?.memory ?? "16384";
-      this.batchVcpus = acctConfig[`${toolName}`]?.vcpus ?? "4";
+      // https://docs.aws.amazon.com/batch/latest/APIReference/API_ResourceRequirement.html
+      this.batchMemory = acctConfig[`${toolName}`]?.memory ?? "16384"; // MiB
+      this.batchVcpus = acctConfig[`${toolName}`]?.vcpus ?? "4"; // CPUs
+      this.batchStorage = acctConfig[`${toolName}`]?.storage ?? "20"; // GiB
     }
 
     const [jobDefinition, jobQueue] = this.initBatchFargate();
@@ -137,6 +140,9 @@ class PluginStack extends cdk.Stack {
             value: this.batchMemory,
           },
         ],
+        ephemeralStorage: {
+          sizeInGib: this.batchStorage,
+        },
         environment: variableConfigJson,
       },
       platformCapabilities: ["FARGATE"],