4 releases (2 breaking)
|0.3.0||Dec 2, 2022|
|0.2.1||Nov 25, 2022|
|0.2.0||Nov 22, 2022|
|0.1.0||Nov 12, 2022|
#1336 in Command line utilities
assume-rolers is a tool to use a temporary AWS credentials. Currently, assume-rolers supports Linux and macOS only.
You can extend the tool by developing WebAssembly/WASI plugins!
No pre-built binaries are available so far. Please build this tool from the source.
$ cargo install assume-rolers
$ git clone https://github.com/yoshihitoh/assume-rolers $ cd assume-rolers $ cargo build --release
If you're planning to use this tool frequently, please copy the binary to a directory included in PATH.
$ cp ./target/release/assume-rolers ~/.local/bin/
How to use
You can select a profile on the terminal. If the role you selected requires MFA, you can also set a token code on the terminal.
Specifying the profile
You can pass a profile as a command line argument.
If the role you selected requires MFA, you can set a token code via
$ assume-rolers <PROFILE_NAME> [-t <TOKEN>]
Deactivate the session
assume-rolers creates a new shell session, so you can deactivate it by
assume-rolers will export the following parameters.
|AWS_SESSION_EXPIRATION||set||expiration datetime in RFC 3339 format. e.g. "2022-11-20T12:01:36+00:00"|
|ASSUME_ROLERS_PROFILE||set||assumed profile name. you can use this variable for the shell prompt.|
assume-rolers depends on rusoto's DefaultCredentialsProvider backed by ChainProvider. So assume-rolers will look credentials in this order.
- Environment variables: AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY
- credential_process command in the AWS config file, usually located at ~/.aws/config.
- AWS credentials file. Usually located at ~/.aws/credentials.
- IAM instance profile. Will only work if running on an EC2 instance with an instance profile/role.
quoted from Rusoto's document.
You can use a builtin plugins with
|export||show commands to export environment variable.|
|federation||show a federation url to sign-in to the AWS Management Console.|
For example, you can use
export plugin with the following command.
$ assume-rolers <PROFILE> -t <TOKEN> -p export
Write your own plugin
You can write your own plugin. The plugin must be built for wasm32-wasi target. See assume-rolers-export plugin as an example.
You can use the wasm/wasi plugin by specifying the path to the
For example, you can use
assume-rolers-export.wasm plugin with the following command.
$ assume-rolers <PROFILE> -t <TOKEN> -p ./plugins/assume-rolers-export.wasm
Currently, assume-rolers supports fish shell only.
try the following command to enable shell completion.
$ cp ./shell-completions/assume-rolers.fish ~/.config/fish/functions/