feat(supervisor): optional custom scheduler (#2579)

Author: nicktrn

apps/supervisor/src/env.ts

@@ -90,6 +90,7 @@ const Env = z.object({
   KUBERNETES_MEMORY_REQUEST_MIN_GB: z.coerce.number().min(0).default(0),
   KUBERNETES_MEMORY_REQUEST_RATIO: z.coerce.number().min(0).max(1).default(1), // Ratio of memory limit, so 1 = 100% of memory limit
   KUBERNETES_MEMORY_OVERHEAD_GB: z.coerce.number().min(0).optional(), // Optional memory overhead to add to the limit in GB
+  KUBERNETES_SCHEDULER_NAME: z.string().optional(), // Custom scheduler name for pods
 
   // Placement tags settings
   PLACEMENT_TAGS_ENABLED: BoolEnv.default(false),

apps/supervisor/src/workloadManager/kubernetes.ts

@@ -274,6 +274,11 @@ export class KubernetesWorkloadManager implements WorkloadManager {
       restartPolicy: "Never",
       automountServiceAccountToken: false,
       imagePullSecrets: this.getImagePullSecrets(),
+      ...(env.KUBERNETES_SCHEDULER_NAME
+        ? {
+            schedulerName: env.KUBERNETES_SCHEDULER_NAME,
+          }
+        : {}),
       ...(env.KUBERNETES_WORKER_NODETYPE_LABEL
         ? {
             nodeSelector: {