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ohmyzsh/plugins/aws/README.md

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aws

This plugin provides completion support for awscli v2 and a few utilities to manage AWS profiles/regions and display them in the prompt. awscli v1 is no longer supported.

To use it, add aws to the plugins array in your zshrc file.

plugins=(... aws)

Plugin commands

  • asp [<profile>]: sets $AWS_PROFILE and $AWS_DEFAULT_PROFILE (legacy) to <profile>. It also sets $AWS_EB_PROFILE to <profile> for the Elastic Beanstalk CLI. It sets $AWS_PROFILE_REGION for display in aws_prompt_info. Run asp without arguments to clear the profile.

  • asp [<profile>] login: If AWS SSO has been configured in your aws profile, it will run the aws sso login command following profile selection.

  • asr [<region>]: sets $AWS_REGION and $AWS_DEFAULT_REGION (legacy) to <region>. Run asr without arguments to clear the profile.

  • acp [<profile>] [<mfa_token>]: in addition to asp functionality, it actually changes the profile by assuming the role specified in the <profile> configuration. It supports MFA and sets $AWS_ACCESS_KEY_ID, $AWS_SECRET_ACCESS_KEY and $AWS_SESSION_TOKEN, if obtained. It requires the roles to be configured as per the official guide. Run acp without arguments to clear the profile.

  • agp: gets the current value of $AWS_PROFILE.

  • agr: gets the current value of $AWS_REGION.

  • aws_change_access_key: changes the AWS access key of a profile.

  • aws_profiles: lists the available profiles in the $AWS_CONFIG_FILE (default: ~/.aws/config). Used to provide completion for the asp function.

  • aws_regions: lists the available regions. Used to provide completion for the asr function.

Plugin options

  • Set SHOW_AWS_PROMPT=false in your zshrc file if you want to prevent the plugin from modifying your RPROMPT. Some themes might overwrite the value of RPROMPT instead of appending to it, so they'll need to be fixed to see the AWS profile/region prompt.

Theme

The plugin creates an aws_prompt_info function that you can use in your theme, which displays the current $AWS_PROFILE and $AWS_REGION. It uses four variables to control how that is shown:

  • ZSH_THEME_AWS_PROFILE_PREFIX: sets the prefix of the AWS_PROFILE. Defaults to <aws:.

  • ZSH_THEME_AWS_PROFILE_SUFFIX: sets the suffix of the AWS_PROFILE. Defaults to >.

  • ZSH_THEME_AWS_REGION_PREFIX: sets the prefix of the AWS_REGION. Defaults to <region:.

  • ZSH_THEME_AWS_REGION_SUFFIX: sets the suffix of the AWS_REGION. Defaults to >.

  • ZSH_THEME_AWS_DIVIDER: sets the divider between ZSH_THEME_AWS_PROFILE_SUFFIX and ZSH_THEME_AWS_REGION_PREFIX. Defaults to (single space).

Configuration

Configuration and credential file settings by AWS

Scenario: IAM roles with a source profile and MFA authentication

Source profile credentials in ~/.aws/credentials:

[source-profile-name]
aws_access_key_id = ...
aws_secret_access_key = ...

Role configuration in ~/.aws/config:

[profile source-profile-name]
mfa_serial = arn:aws:iam::111111111111:mfa/myuser
region = us-east-1
output = json

[profile profile-with-role]
role_arn = arn:aws:iam::9999999999999:role/myrole
mfa_serial = arn:aws:iam::111111111111:mfa/myuser
source_profile = source-profile-name
region = us-east-1
output = json