dotfiles/.dotfiles/aws

alias aws='docker pull -q amazon/aws-cli:latest 1> /dev/null && docker run --rm -i -v ~/.aws:/root/.aws -v $(pwd):/aws -e NO_COLOR=true -e AWS_PROFILE -e AWS_DEFAULT_REGION -e AWS_REGION -e AWS_ACCESS_KEY_ID -e AWS_SECRET_ACCESS_KEY -e AWS_SESSION_TOKEN amazon/aws-cli'

assume-role() {
  ROLE=$1

  if [[ -z "$ROLE" ]]; then
    export AWS_ACCESS_KEY_ID=
    export AWS_SECRET_ACCESS_KEY=
    export AWS_SESSION_TOKEN=
  else
    OUTPUT=$(aws sts assume-role --role-arn $ROLE --role-session-name assumed-role-session --query Credentials --output json)

    export AWS_ACCESS_KEY_ID=$(echo $OUTPUT | jq -r .AccessKeyId)
    export AWS_SECRET_ACCESS_KEY=$(echo $OUTPUT | jq -r .SecretAccessKey)
    export AWS_SESSION_TOKEN=$(echo $OUTPUT | jq -r .SessionToken)
  fi

  aws sts get-caller-identity
}

aws-decode-message() {
  ENCODED=$1
  aws sts decode-authorization-message --query DecodedMessage --output text --encoded-message $ENCODED | jq -r '.context.action, .context.resource'
}