mounting USB drive in influxdb container

Author: janvda

influxdb/Dockerfile

@@ -1,3 +1,4 @@
 FROM arm32v7/influxdb:latest
-RUN echo "LABEL=influxdb /mnt/influxdb ext4 rw,relatime,discard,data=ordered 0 2" >> /etc/fstab
-COPY start.sh .
+RUN echo "LABEL=influxdb /mnt/usbdrive ext4 rw,relatime,discard,data=ordered 0 2" >> /etc/fstab
+#overwrite the default entrypoint script by mine script that contains the mount instruction
+COPY my_entrypoint.sh /entrypoint.sh

influxdb/start.sh

@@ -1,3 +1,17 @@
 #!/bin/bash
-mkdir -p /mnt/influxdb
-mount /mnt/influxdb
+# JVA 2018-11-15 I have added following instructions to mount usbdrive
+mkdir -p /mnt/usbdrive
+mount /mnt/usbdrive
+
+# here below original entrypoint.sh (see https://github.com/influxdata/influxdata-docker/tree/35d89882b57f333d9518b4556e7b872ce970e620/influxdb/1.7)
+set -e
+
+if [ "${1:0:1}" = '-' ]; then
+    set -- influxd "$@"
+fi
+
+if [ "$1" = 'influxd' ]; then
+	/init-influxdb.sh "${@:2}"
+fi
+
+exec "$@"