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

nfs/run.sh

@@ -1,24 +1,32 @@
 #!/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[${index}].read_only")
-    MOUNT_PATH="/${FOLDER}"
+count=$(jq '.shares | length' "${CONFIG}")
 
-    if bashio::var.true "${READ_ONLY}"; then
-        OPTIONS="ro,no_root_squash"
-    else
-        OPTIONS="rw,no_root_squash"
-    fi
+if [ "${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}"
 
-    bashio::log.info "Exporting ${MOUNT_PATH} to ${NETWORK} (${OPTIONS})..."
-    echo "${MOUNT_PATH} ${NETWORK}(${OPTIONS})" >> /etc/exports
-done
+        if [ "${READ_ONLY}" = "true" ]; then
+            OPTIONS="ro,no_root_squash"
+        else
+            OPTIONS="rw,no_root_squash"
+        fi
+
+        bashio::log.info "Exporting ${MOUNT_PATH} to ${NETWORK} (${OPTIONS})..."
+        echo "${MOUNT_PATH} ${NETWORK}(${OPTIONS})" >> /etc/exports
+    done
+fi
 
 cat /etc/exports