Update check-host.sh

check-host.sh

@@ -3,16 +3,20 @@ set -euo pipefail
 
 : "${TARGET_HOSTS:?TARGET_HOSTS is not configured}"
 : "${SSH_USER:?SSH_USER is not configured}"
-echo "SSH directory:"
-ls -la ~/.ssh/ 2>/dev/null || true
 
-echo "SSH-related environment variables:"
-env | grep -Ei 'ssh|key' | sed 's/=.*/=<set>/'
+SSH_KEY="$HOME/.ssh/ansible_ed25519"
+
+if [[ ! -r "$SSH_KEY" ]]; then
+    echo "ERROR: SSH key not found: $SSH_KEY"
+    exit 1
+fi
+
 for host in $TARGET_HOSTS; do
     echo "Connecting to $host..."
 
     ssh \
-        -i ~/.ssh/alpine_hosts \
+        -i "$SSH_KEY" \
+        -o IdentitiesOnly=yes \
         -o BatchMode=yes \
         -o StrictHostKeyChecking=accept-new \
         "$SSH_USER@$host" \