Add shell script for deleting hypershift workshop student clusters

scripts/hcp_destroy_cluster_loop.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+REGION="us-west-2"
+BASE_DOMAIN="aws.validatedpatterns.io"
+ROLE_ARN="arn:aws:iam::296267305927:role/hypershift_cli_role"
+STS_CREDS="$HOME/sts-creds/sts-creds.json"
+
+for i in {1..10}; do
+    CLUSTER="studentcluster-$i"
+
+    echo "Refreshing STS credentials..."
+    aws sts get-session-token --output json > "$STS_CREDS"
+
+    if [ $? -ne 0 ]; then
+        echo "Failed to refresh STS credentials. Aborting..."
+        exit 1
+    fi
+
+    echo "Destroying cluster: $CLUSTER in region: $REGION"
+
+    trap "echo 'Aborting script...'; exit 1" SIGINT
+
+    RETRIES=3
+    while [ $RETRIES -gt 0 ]; do
+        hcp destroy cluster aws --destroy-cloud-resources \
+            --name "$CLUSTER" \
+            --infra-id "$CLUSTER" \
+            --region="$REGION" \
+            --sts-creds "$STS_CREDS" \
+            --base-domain "$BASE_DOMAIN" \
+            --role-arn "$ROLE_ARN"
+
+        if [ $? -eq 0 ]; then
+            echo "Successfully destroyed $CLUSTER"
+            break
+        else
+            echo "Failed to destroy $CLUSTER, retrying... ($((RETRIES-1)) attempts left)"
+            ((RETRIES--))
+        fi
+    done
+
+    if [ $RETRIES -eq 0 ]; then
+        echo "Failed to destroy $CLUSTER after multiple attempts. Moving to the next cluster..."
+    fi
+done
+