#!/bin/bash
# verify-multipath-config.sh
# Verify that multipath.conf is properly configured on Talos worker nodes
# Run from city-hall after applying the fixed configuration

set -e

NODE="${1:-10.1.71.69}"  # Default to jungle-cruise
echo "=== Verifying multipath configuration on node $NODE ==="
echo

echo "1. Checking ext-multipathd service status..."
talosctl services --nodes "$NODE" | grep -E "(STATE|multipathd)" || echo "  ⚠️  Service not found"
echo

echo "2. Checking if /etc/multipath.conf exists in ext-multipathd container..."
if talosctl exec --nodes "$NODE" --service ext-multipathd -- cat /etc/multipath.conf &>/dev/null; then
    echo "  ✅ File exists! Contents:"
    talosctl exec --nodes "$NODE" --service ext-multipathd -- cat /etc/multipath.conf | head -20
    echo "  ... (truncated)"
else
    echo "  ❌ File does NOT exist"
    echo "  This means the ExtensionServiceConfig is still not being applied."
    exit 1
fi
echo

echo "3. Checking multipath-tools extension..."
talosctl get extensions --nodes "$NODE" | grep -E "(NAME|multipath)" || echo "  ⚠️  Extension not found"
echo

echo "4. Checking for multipath devices..."
echo "  Running: multipath -ll"
if talosctl exec --nodes "$NODE" -- multipath -ll 2>/dev/null; then
    echo "  ✅ Multipath devices detected"
else
    echo "  ⚠️  No multipath devices (may be normal if iSCSI not connected yet)"
fi
echo

echo "5. Checking ext-multipathd logs (last 20 lines)..."
talosctl logs --nodes "$NODE" --service ext-multipathd --tail 20
echo

echo "=== Verification complete ==="
echo
echo "Expected results:"
echo "  ✅ ext-multipathd service: Running"
echo "  ✅ /etc/multipath.conf: Exists with Pure FlashArray config"
echo "  ✅ multipath-tools extension: Loaded"
echo "  ✅ multipath -ll: Shows Pure devices (if iSCSI connected)"
echo
echo "If /etc/multipath.conf does NOT exist:"
echo "  - Verify talhelper genconfig was run"
echo "  - Check clusterconfig/fastpass-jungle-cruise.yaml for 'kind: ExtensionServiceConfig'"
echo "  - Ensure it's NOT inside quotes (should be structured YAML, not a string)"