scripts/docker-volume-transfer.sh at main · ayetkin/scripts · GitHub

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#!/bin/bash

# docker-volume-transfer.sh
# Usage:
#   To export: ./docker-volume-transfer.sh export <volume_name>
#   To import: ./docker-volume-transfer.sh import <volume_name> <archive_path>

ACTION=$1
VOLUME_NAME=$2
ARCHIVE_PATH=$3

if [ "$ACTION" == "export" ]; then
  if [ -z "$VOLUME_NAME" ]; then
    echo "Usage: $0 export <volume_name>"
    exit 1
  fi

  MOUNTPOINT=$(docker volume inspect $VOLUME_NAME -f '{{ .Mountpoint }}')

  if [ -z "$MOUNTPOINT" ]; then
    echo "Error: Volume '$VOLUME_NAME' not found."
    exit 1
  fi

  echo "[*] Archiving volume '$VOLUME_NAME' from $MOUNTPOINT..."
  sudo tar -czf "${VOLUME_NAME}.tar.gz" -C "$MOUNTPOINT" .

  echo "[*] Done. Archive saved as '${VOLUME_NAME}.tar.gz'."
  echo "You can now manually transfer this file to the target server."

elif [ "$ACTION" == "import" ]; then
  if [ -z "$VOLUME_NAME" ] || [ -z "$ARCHIVE_PATH" ]; then
    echo "Usage: $0 import <volume_name> <archive_path>"
    exit 1
  fi

  echo "[*] Creating Docker volume '$VOLUME_NAME'..."
  docker volume create "$VOLUME_NAME"

  MOUNTPOINT=$(docker volume inspect $VOLUME_NAME -f '{{ .Mountpoint }}')

  if [ -z "$MOUNTPOINT" ]; then
    echo "Error: Failed to get mount point for volume '$VOLUME_NAME'."
    exit 1
  fi

  echo "[*] Extracting archive into volume..."
  sudo tar -xzf "$ARCHIVE_PATH" -C "$MOUNTPOINT"

  echo "[*] Done. Volume '$VOLUME_NAME' is ready to use."

else
  echo "Invalid action: $ACTION"
  echo "Usage:"
  echo "  To export: $0 export <volume_name>"
  echo "  To import: $0 import <volume_name> <archive_path>"
  exit 1
fi