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Backup a docker-compose project, named and unnamed volumesith exeption list ( Plex ? ) and Gotify push
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#!/usr/bin/env bash | |
### Bash Environment Setup | |
# http://redsymbol.net/articles/unofficial-bash-strict-mode/ | |
# https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html | |
# set -o xtrace | |
set -o errexit | |
set -o errtrace | |
set -o nounset | |
set -o pipefail | |
IFS=$'\n' | |
now=$(date) | |
volume_exeption=("/media/Movies" "/run/udev") | |
echo "[START] $now" | |
# Fully backup a docker-compose project, including all images, named and unnamed volumes, container filesystems, config, logs, and databases. | |
project_dir="${1:-$PWD}" | |
if [ -f "$project_dir/docker-compose.yml" ]; then | |
echo "[i] Found docker-compose config at $project_dir/docker-compose.yml" | |
else | |
echo "[X] Could not find a docker-compose.yml file in $project_dir" | |
exit 1 | |
fi | |
project_name=$(basename "$project_dir") | |
backup_time=$(date +"%Y-%m-%d_%H-%M") | |
backup_dir="$project_dir/backups/$backup_time" | |
# Source any needed environment variables | |
[ -f "$project_dir/docker-compose.env" ] && source "$project_dir/docker-compose.env" | |
[ -f "$project_dir/.env" ] && source "$project_dir/.env" | |
echo "[+] Backing up $project_name project to $backup_dir" | |
mkdir -p "$backup_dir" | |
echo " - Saving docker-compose.yml config" | |
cp "$project_dir/docker-compose.yml" "$backup_dir/docker-compose.yml" | |
# Optional: pause the containers before backing up to ensure consistency | |
#docker-compose pause | |
# Optional: run a command inside the contianer to dump your application's state/database to a stable file | |
echo " - Saving application state to ./dumps" | |
mkdir -p "$backup_dir/dumps" | |
# your database/stateful service export commands to run inside docker go here, e.g. | |
# docker compose exec postgres env PGPASSWORD="$POSTGRES_PASSWORD" pg_dump -U "$POSTGRES_USER" "$POSTGRES_DB" | gzip -9 > "$backup_dir/dumps/$POSTGRES_DB.sql.gz" | |
# docker compose exec redis redis-cli SAVE | |
# docker compose exec redis cat /data/dump.rdb | gzip -9 > "$backup_dir/dumps/redis.rdb.gz" | |
for service_name in $(docker-compose config --services); do | |
echo " - Pause service $service_name for backup" | |
docker-compose pause $service_name | |
container_id=$(docker-compose ps -q "$service_name") | |
service_dir="$backup_dir/$service_name" | |
echo "[*] Backing up ${project_name}__${service_name} to ./$service_name..." | |
mkdir -p "$service_dir" | |
# save config | |
echo " - Saving container config to ./$service_name/config.json" | |
docker inspect "$container_id" > "$service_dir/config.json" | |
# save logs | |
echo " - Saving stdout/stderr logs to ./$service_name/docker.{out,err}" | |
docker logs "$container_id" > "$service_dir/docker.out" 2> "$service_dir/docker.err" | |
# save data volumes | |
mkdir -p "$service_dir/volumes" | |
for source in $(docker inspect -f '{{range .Mounts}}{{println .Source}}{{end}}' "$container_id"); do | |
if [[ "${volume_exeption[@]}" =~ $source ]] | |
then | |
echo " - Volume $source found in exeption list, skipped !" | |
else | |
volume_dir="$service_dir/volumes$source" | |
echo " - Saving $source volume to ./$service_name/volumes$source" | |
mkdir -p $(dirname "$volume_dir") | |
cp -a -r "$source" "$volume_dir" | |
fi | |
done | |
echo " - UnPause service $service_name" | |
docker-compose unpause $service_name | |
done | |
echo "[*] Compressing backup folder to $backup_dir.tar.gz" | |
tar -zcf "$backup_dir.tar.gz" --totals "$backup_dir" && rm -Rf "$backup_dir" | |
echo "[√] Finished Backing up $project_name to $backup_dir.tar.gz." | |
curl "https://GOTIFY_URL/message?token=YOUR_TOKEN" -F "title=Backup $project_name" -F "message=Finished Backing up $project_name to $backup_dir.tar.gz." -F "priority=5" | |
# Resume the containers if paused above | |
#docker-compose unpause |
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