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a tool to export and import (migrate) data across vault clusters

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vault-backend-migrator

vault-backend-migrator is a tool to export and import (migrate) data across vault clusters.

Right now this tool really only supports the secret/kv backend (version 1 in particular, although version 2 works too). Other mount points might work, but many create dynamic secrets behind the scenes or don't support all operations (i.e. LIST).

Usage

Setup

You'll want to go get -f -u github.com/adamdecaf/vault-backend-migrator this project. It will pull down the vault source code to your GOPATH too.

There's also a docker image: docker pull adamdecaf/vault-backend-migrator

Exporting

After pulling the code it's helpful to set a few environment variables. (These may not all be required for your setup.) These variables will be for the vault you're exporting from.

export VAULT_ADDR=http://127.0.0.1:8200/
export VAULT_CAPATH=<full filepath to .crt bundle>
export VAULT_TOKEN=<vault token>

Note: You'll need to make sure the VAULT_TOKEN has permissions to list and read all vault paths.

Then you should be able to run an export command:

$ ./vault-backend-migrator -export secret/ -file secrets.json

If you are using the version 2 of the backend and want all the data in there:

$ ./vault-backend-migrator -export secret/data/ -metadata secret/metadata/ -file secrets.json -ver 2

This will create a file called secrets.json that has all the keys and paths. (Note: This is literally all the secrets from the generic backend. Don't share this file with anyone! The secret data is encoded in base64, but there's no protection over this file.)

Importing

Once you've created an export you are able to reconfigure the vault environment variables (VAULT_ADDR and VAULT_TOKEN usually) to run an import command (remember to specify -ver 2 in the command line when importing to a version 2 backend).

$ ./vault-backend-migrator -import secret/ -file secrets.json

This will output each key the tool is writing to. After that a simple vault list command off the vault cli will show the secrets there.

Note: It's recommended that you now delete secrets.json if you don't need it. If you can install a tool like srm to really delete this file.

  • OSX: brew install srm
  • Ubuntu: apt-get install secure-delete

Configuration

This tool reads all the VAULT_* environment variables as the vault cli does. You likely need to specify those for the address, CA certs, etc.

Dependencies

This project uses Go Modules and thus requires Go 1.11+.

Releases

There are various makefile commands for building parts of the release make release builds and pushes everything.

You can run make docker to build a tagged docker image.

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a tool to export and import (migrate) data across vault clusters

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