Get aws environment variables from an aws-profile and role

aws-ar

function aws-ar() {
  local profile=${1:-hod-central}
  local role_arn=$(grep ${profile} ~/.aws/credentials -A 3 | grep role_arn | cut -d'=' -f2)
  local creds_json=$(aws sts assume-role --output json --role-arn ${role_arn} --profile ${profile} --role-session-name ${profile} )

  aws-unset
  export AWS_ACCESS_KEY_ID=$(echo ${creds_json} | jq -r '.Credentials.AccessKeyId')
  export AWS_SECRET_ACCESS_KEY=$(echo ${creds_json} | jq -r '.Credentials.SecretAccessKey')
  export AWS_SECURITY_TOKEN=$(echo ${creds_json} | jq -r '.Credentials.SessionToken')
  export AWS_SESSION_EXPIRE=$(echo ${creds_json} | jq -r '.Credentials.Expiration')
  export AWS_SESSION_TOKEN="${AWS_SECURITY_TOKEN}"
}

function aws-unset() {
  unset AWS_ACCESS_KEY_ID
  unset AWS_SECRET_ACCESS_KEY
  unset AWS_SECURITY_TOKEN
  unset AWS_SESSION_EXPIRE
  unset AWS_SESSION_TOKEN
}