docker-volume-backup/recover-docker-from-local.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 recover
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# DATABASE PARAMETERS
database_type="$4" # Valid values; mariadb, postgress
database_container="$5" # optional
database_password="$6" # optional
database_name="$7" # optional
database_user="$database_name"
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backup_folder="Backups/$backup_hash/backup-docker-to-local/$version/$volume_name"
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backup_files="/$backup_folder/files"
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backup_sql="/$backup_folder/sql/$database_name.backup.sql"
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# DATABASE RECOVERY
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if [ ! -z "$database_type" ]; then
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if [ "$database_type" = "postgres" ]; then
if [ -n "$database_container" ] && [ -n "$database_password" ] && [ -n "$database_name" ]; then
echo "Recover PostgreSQL dump"
export PGPASSWORD="$database_password"
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cat "$backup_sql" | docker exec -i "$database_container" psql -v ON_ERROR_STOP=1 -U "$database_user" -d "$database_name"
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if [ $? -ne 0 ]; then
echo "ERROR: Failed to recover PostgreSQL dump"
exit 1
fi
exit 0
fi
elif [ "$database_type" = "mariadb" ]; then
if [ -n "$database_container" ] && [ -n "$database_password" ] && [ -n "$database_name" ]; then
echo "recover mysql dump"
cat "$backup_sql" | docker exec -i "$database_container" mariadb -u "$database_user" --password="$database_password" "$database_name"
if [ $? -ne 0 ]; then
echo "ERROR: Failed to recover mysql dump"
exit 1
fi
exit 0
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fi
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fi
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echo "A database backup exists, but a parameter is missing."
exit 1
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fi
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# FILE RECOVERY
echo "Inspect volume $volume_name"
docker volume inspect "$volume_name"
exit_status_volume_inspect=$?
if [ $exit_status_volume_inspect -eq 0 ]; then
echo "Volume $volume_name already exists"
else
echo "Create volume $volume_name"
docker volume create "$volume_name"
if [ $? -ne 0 ]; then
echo "ERROR: Failed to create volume $volume_name"
exit 1
fi
fi
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if [ -d "$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