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Small utility to transfer fields of a key in Vault into the environment

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README.md

Luzifer / vault2env

vault2env is a really small utility to transfer fields of a key in Vault into the environment. It uses the app-id authentication mechanism to identify itself with the Vault server, fetches all fields in the specified key and returns export directives for bash / zsh. That way you can do eval stuff and pull those fields into your ENV.

Usage

You have two ways to set the four input values the tool needs.

Using evironment variables

# export VAULT_ADDR="https://127.0.0.1:8200"
# export VAULT_APP_ID="29c8febe-49f5-4620-a177-20dff0fda2da"
# export VAULT_USER_ID="54d24f66-6ecb-4dcc-bdb7-0241a955f1df"
# vault2env secret/my/path/with/keys
export FIRST_KEY="firstvalue"
export SECOND_KEY="secondvalue"
# eval $(vault2env secret/my/path/with/keys)
# echo "${FIRST_KEY}"
firstvalue

Using CLI parameters

# vault2env --vault-addr="..." --vault-app-id="..." --vault-user-id="..." secret/my/path/with/keys
export FIRST_KEY="firstvalue"
export SECOND_KEY="secondvalue"

Though it's possible to use CLI parameters I strongly recommend to stick to the ENV variant as it's possible under certain conditions to read CLI parameters on a shared system using for example ps aux.