fix(nfs): read config from /data/options.json with jq, bypass Supervisor API

nfs/Dockerfile

@@ -1,6 +1,6 @@
 ARG BUILD_FROM
 FROM $BUILD_FROM
-RUN apk add --no-cache unfs3 bash
+RUN apk add --no-cache unfs3 bash jq
 COPY run.sh /
 RUN chmod +x /run.sh
 CMD ["/run.sh"]

nfs/config.json

@@ -1,6 +1,6 @@
 {
   "name": "NFS Server",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "slug": "nfs_server",
   "description": "Expose Home Assistant media folder via NFS.",
   "arch": [

nfs/run.sh

@@ -1,16 +1,23 @@
 #!/usr/bin/env bashio
 
+CONFIG="/data/options.json"
+
 # Build /etc/exports from configured shares
 bashio::log.info "Configuring NFS exports..."
 > /etc/exports
 
-for index in $(bashio::config 'shares|keys[]'); do
-    FOLDER=$(bashio::config "shares[${index}].folder")
-    NETWORK=$(bashio::config "shares[${index}].allowed_network")
-    READ_ONLY=$(bashio::config "shares[${index}].read_only")
+count=$(jq '.shares | length' "${CONFIG}")
+
+if [ "${count}" -eq 0 ]; then
+    bashio::log.warning "No shares configured, nothing to export."
+else
+    for i in $(seq 0 $((count - 1))); do
+        FOLDER=$(jq -r ".shares[${i}].folder" "${CONFIG}")
+        NETWORK=$(jq -r ".shares[${i}].allowed_network" "${CONFIG}")
+        READ_ONLY=$(jq -r ".shares[${i}].read_only" "${CONFIG}")
         MOUNT_PATH="/${FOLDER}"
 
-    if bashio::var.true "${READ_ONLY}"; then
+        if [ "${READ_ONLY}" = "true" ]; then
             OPTIONS="ro,no_root_squash"
         else
             OPTIONS="rw,no_root_squash"
@@ -19,6 +26,7 @@ for index in $(bashio::config 'shares|keys[]'); do
         bashio::log.info "Exporting ${MOUNT_PATH} to ${NETWORK} (${OPTIONS})..."
         echo "${MOUNT_PATH} ${NETWORK}(${OPTIONS})" >> /etc/exports
     done
+fi
 
 cat /etc/exports