Backup and Restore

# Enter the container
docker exec -it addon_a0d7b954_influxdb bash

# Create a (temporary) backup directory inside the container on 
# a path that's already mounted from Home Assistant
mkdir -p /share/backup/influxdb/

# Create the backup
influxd backup -database homeassistant -portable /share/backup/influxdb/

# Exit the container
exit

# (Optional) Set so all users can read the backup data
sudo chmod a+r /usr/share/hassio/share/backup/influxdb/*

# (Optional) Afterwards remove the backup
sudo rm -rf /usr/share/hassio/share/backup/influxdb/*

# Enter the container
docker exec -it addon_a0d7b954_influxdb bash

# Restore the backup from a shared directory
influxd restore -portable /share/backup/influxdb/

# Create the directory where we'll store our backup
mkdir -p ~/dump/influxdb
cd ~/dump/influxdb

# Start by pulling the necessary Docker images
docker pull influxdb
docker pull chronograf

# Create an InfluxDB network
docker network create influxdb

# Start the InfluxDB container with a mounted path where your backup is located
docker run -d -p 8086:8086 -v $(pwd):/backup --net influxdb --name influxdb influxdb

# (Optional) Start Chronograf for a web interface
docker run -d -p 8888:8888 --net influxdb --name chronograf chronograf --influxdb-url=http://influxdb:8086

# Retrieve our backup from Home Assistant
scp homeassistant.lan:/usr/share/hassio/share/backup/influxdb/\* ./

# Enter our InfluxDB Docker container to restore
docker exec -it influxdb bash

# And restore our backup!
influxd restore -portable /backup