S3 backup script in a single binary
Provides a standard way of backing up an archive to a S3 bucket, and restoring the backed up archive from its S3 bucket. No more custom backup scripts please ...
You can download the latest release from here.
Encrypt file to be backed up (optional but highly recommended).
s3backupencrypts using AES-CTR and can use either a 256-bit Base64-encoded symmetric key, or a PEM-encoded RSA public key for encryption. If a public key is provided,
s3backupwill generate a random 256-bit symmetric key which will be encrypted using the public key and stored with the encrypted file.
Calculate a SHA-256 checksum for the file to be uploaded. For encrypted uploads the checksum is calculated on the encrypted file.
Upload to AWS S3 using concurrent uploads to handle large files and store the checksum with the uploaded file.
Download file from AWS S3 using concurrent downloads to handle large files and retrieve the stored checksum of the uploaded file.
Verify that the stored checksum matches the downloaded file.
Optionally, decrypt the downloaded file using either the same symmetric key that was used to encrypt it, or the RSA private key matching the RSA public key that was used for encryption.
Usage: s3backup [command] Available Commands: get Get local file from S3 bucket using local credentials help Help about any command put Put local file to S3 bucket using local credentials vault-get Get local file from S3 bucket using credentials from vault vault-put Put local file to S3 bucket using credentials from vault version Print version and exit Flags: -h, --help help for s3backup Use "s3backup [command] --help" for more information about a command.
AWS S3 Credentials
Click here for details about using default AWS credentials. Please note that if you choose to use AWS environment variables you must specify the
vault-put commands that allow it to be configured using secrets held by a vault instance so that you can store encryption keys and AWS credentials in a secure manner. The secrets that you need to hold in vault for
s3backup are described here.
Vault integration in
s3backup can be configured from the command line and using vault's own
Backup key generation
To make things easier, this project also provides
s3keygen to create 256-bit symmetric keys
and 2048-bit RSA private/public key pairs for use by
Usage: s3keygen [command] Available Commands: aes Print generated AES key help Help about any command rsa Generate RSA key pair version Print version Flags: -h, --help help for s3keygen Use "s3keygen [command] --help" for more information about a command.