feat: update NFS configuration and add check-nfs script for server validation

nfs/scripts/check-nfs.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+# Verify NFS server is reachable and the export path is available.
+# Run before or after deployment to validate NFS connectivity.
+set -e
+set -o pipefail
+
+if [ -z "${WILD_INSTANCE}" ] || [ -z "${WILD_API_DATA_DIR}" ]; then
+    echo "ERROR: WILD_INSTANCE and WILD_API_DATA_DIR must be set"
+    exit 1
+fi
+
+CONFIG_FILE="${WILD_API_DATA_DIR}/instances/${WILD_INSTANCE}/config.yaml"
+
+NFS_HOST="$(yq '.apps.nfs.host' "${CONFIG_FILE}" 2>/dev/null | tr -d '"')"
+NFS_PATH="$(yq '.apps.nfs.mediaPath' "${CONFIG_FILE}" 2>/dev/null | tr -d '"')"
+
+if [ -z "${NFS_HOST}" ] || [ "${NFS_HOST}" = "null" ]; then
+    echo "ERROR: apps.nfs.host not set in config"
+    exit 1
+fi
+if [ -z "${NFS_PATH}" ] || [ "${NFS_PATH}" = "null" ]; then
+    echo "ERROR: apps.nfs.mediaPath not set in config"
+    exit 1
+fi
+
+echo "NFS host: ${NFS_HOST}"
+echo "NFS path: ${NFS_PATH}"
+
+# Resolve hostname to IP
+if [[ "${NFS_HOST}" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    NFS_IP="${NFS_HOST}"
+else
+    NFS_IP=$(getent hosts "${NFS_HOST}" 2>/dev/null | awk '{print $1}' | head -n1 || true)
+    if [ -z "${NFS_IP}" ]; then
+        echo "ERROR: Cannot resolve hostname ${NFS_HOST}"
+        exit 1
+    fi
+    echo "Resolved to: ${NFS_IP}"
+fi
+
+# Check showmount
+if ! command -v showmount >/dev/null 2>&1; then
+    echo "WARNING: showmount not available, skipping export check"
+else
+    echo ""
+    echo "Checking NFS exports..."
+    if timeout 10 showmount -e "${NFS_IP}" >/dev/null 2>&1; then
+        if showmount -e "${NFS_IP}" | grep -q "${NFS_PATH}"; then
+            echo "OK: ${NFS_PATH} is exported"
+        else
+            echo "ERROR: ${NFS_PATH} not found in NFS exports:"
+            showmount -e "${NFS_IP}"
+            exit 1
+        fi
+    else
+        echo "ERROR: Cannot reach NFS server at ${NFS_IP}:2049"
+        exit 1
+    fi
+fi
+
+# Check k8s resources if KUBECONFIG is available
+if [ -n "${KUBECONFIG}" ]; then
+    echo ""
+    echo "Checking Kubernetes resources..."
+    if kubectl get storageclass nfs >/dev/null 2>&1; then
+        echo "OK: StorageClass 'nfs' exists"
+    else
+        echo "WARNING: StorageClass 'nfs' not found (deploy NFS first)"
+    fi
+    if kubectl get pv nfs-media-pv >/dev/null 2>&1; then
+        echo "OK: PersistentVolume 'nfs-media-pv' exists"
+        kubectl get pv nfs-media-pv --no-headers
+    else
+        echo "WARNING: PersistentVolume 'nfs-media-pv' not found (deploy NFS first)"
+    fi
+fi
+
+echo ""
+echo "NFS check complete."