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awssecret2env

CirclCI Build Status

Convert secrets stored in AWS Secrets Manager to environment variables.

Example

Given a file like secrets.txt that maps environment variable names to secret names in AWS Secret Manager, awssecret2env replaces the secret names with their values stored in AWS, and prints the resulting env to stdout.

# secrets.txt
DB_HOST=db/dev/DB_HOST
DB_USER=db/dev/DB_USER
DB_PASSWORD=db/dev/DB_PASSWORD
# Usage: awssecret2env [OPTIONS] <input-file>
awssecret2env secrets.txt
# DB_HOST=<REDACTED>
# DB_USER=<REDACTED>
# DB_PASSWORD=<REDACTED>

With no options, awssecret2env prints the resulting environment variables to stdout. You can specify an output file with the --output flag, and optionally add an export statement to each line with --export.

awssecret2env --output .env --export secrets.txt

cat .env
# export DB_HOST=<REDACTED>
# export DB_USER=<REDACTED>
# export DB_PASSWORD=<REDACTED>

source .env
# The env vars should now be injected in your shell

Input File

Input files are in the following format:

# lines beginning with "#" are ignored as a comment
ENV_VAR_NAME=secret-name/secret-key
ENV_VAR_NAME_2=secret-name/secret-key-2
ENV_VAR_NAME_3=other-secret-name/other-key

The secret's key is always interpreted as the string following the last / character in the line.

NOTE: Secret names may contain / characters, but secret keys SHOULD NOT.

Download

Downloaded files must be made executable before they can be run.

You can also download and execute awssecret2env programmatically.

PLATFORM=macos # supported platforms: "macos", "macos-arm64", "windows", "linux64", "linuxarm6", or "linuxarm7"
VERSION=latest # supported versions: "latest", "master", "v0.1.0", etc.

wget https://awssecret2env.s3.amazonaws.com/${VERSION}/awssecret2env-${PLATFORM}
chmod +x awssecret2env-${PLATFORM}
mv awssecret2env-${PLATFORM} /usr/local/bin/awssecret2env

Usage

Usage: ./build/bin/awssecret2env [OPTIONS] <input-file> ...
Note: <input-file> is a required positional argument.
  -r, --aws-region string   The name of the AWS region where secrets are stored (default "us-east-1")
  -e, --export              Prepends "export" statements in front of the output env variables
  -h, --help                Show this screen
  -o, --output string       Redirects output to a file instead of stdout