docker-volume-backup/docker-volume-recover.sh

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#!/bin/bash
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# Check minimum number of arguments
if [ $# -lt 3 ]; then
echo "ERROR: Not enough arguments. Please provide at least a volume name, backup hash, and version."
exit 1
fi
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volume_name="$1" # Volume-Name
backup_hash="$2" # Hashed Machine ID
version="$3" # version to backup
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container="${4:-}" # optional
mysql_root_password="${5:-}" # optional
database="${6:-}" # optional
backup_folder="Backups/$backup_hash/docker-volume-backup/$version/$volume_name"
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backup_files="/$backup_folder/files"
backup_sql="/$backup_folder/sql/backup.sql"
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echo "Inspect volume $volume_name"
docker volume inspect "$volume_name"
exit_status_volume_inspect=$?
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if [ $exit_status_volume_inspect -eq 0 ]; then
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echo "Volume $volume_name already exists"
else
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echo "Create volume $volume_name"
docker volume create "$volume_name"
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if [ $? -ne 0 ]; then
echo "ERROR: Failed to create volume $volume_name"
exit 1
fi
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fi
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if [ -f "$backup_sql" ]; then
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if [ -n "$container" ] && [ -n "$mysql_root_password" ] && [ -n "$database" ]; then
echo "recover mysql dump"
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cat "$backup_sql" | docker exec -i "$container" mariadb -u root --password="$mysql_root_password" "$database"
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if [ $? -ne 0 ]; then
echo "ERROR: Failed to recover mysql dump"
exit 1
fi
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exit 0
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fi
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echo "A database backup exists, but a parameter is missing. Files will be recovered instead."
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fi
if [ -d "$backup_files" ]; then
echo "recover files"
docker run --rm -v "$volume_name:/recover/" -v "$backup_files:/backup/" "kevinveenbirkenbach/alpine-rsync" sh -c "rsync -avv --delete /backup/ /recover/"
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if [ $? -ne 0 ]; then
echo "ERROR: Failed to recover files"
exit 1
fi
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exit 0
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else
echo "ERROR: $backup_files doesn't exist"
exit 1
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fi
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echo "ERROR: Unhandled case"
exit 1