changed influxdb mount location to /mnt/influxdb

Author: janvda

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     # privileged added so usb drive can be mounted.
     privileged: true
     volumes:
-        - 'influxdb-data:/mnt/usbdrive'   
+        - 'influxdb-data:/mnt/influxdb'   
     ports:
       # The API for InfluxDB is served on port 8086
       - "8086:8086"

influxdb/Dockerfile

@@ -1,6 +1,7 @@
 FROM arm32v7/influxdb:latest
 
-RUN echo "LABEL=influxdb2 /mnt/usbdrive ext4 rw,relatime,discard,data=ordered 0 2"  >> /etc/fstab
+# The following instruction defines the mount location where the influxdb data should be stored.
+RUN echo "LABEL=influxdb /mnt/influxdb ext4 rw,relatime,discard,data=ordered 0 2"  >> /etc/fstab
 
 # The script "my_entrypoint.sh" is an extension of the existing script with extra instructions to mount the usb memory stick.
 COPY my_entrypoint.sh /entrypoint.sh

influxdb/influxdb.conf

@@ -1,7 +1,7 @@
 [meta]
-  dir = "/mnt/usbdrive/influxdb/meta"
+  dir = "/mnt/influxdb/meta"
 
 [data]
-  dir = "/mnt/usbdrive/influxdb/data"
+  dir = "/mnt/influxdb/data"
   engine = "tsm1"
-  wal-dir = "/mnt/usbdrive/influxdb/wal"
+  wal-dir = "/mnt/influxdb/wal"

influxdb/my_entrypoint.sh

@@ -1,9 +1,7 @@
 #!/bin/bash
 # JVA 2018-11-15 I have added following instructions to mount usbdrive and create subfolder influxdb
-mkdir -p /mnt/usbdrive
-mount /mnt/usbdrive
-
-mkdir -p /mnt/usbdrive/influxdb
+mkdir -p /mnt/influxdb
+mount /mnt/influxdb
 
 # here below copy paste of original entrypoint.sh. see : 
 #  https://github.com/influxdata/influxdata-docker/tree/35d89882b57f333d9518b4556e7b872ce970e620/influxdb/1.7