okta_aws plugin for oh-my-zsh

okta-aws.plugin.zsh

# shellcheck disable=SC2148
# shellcheck disable=SC2034
# okta-aws plugin for oh-my-zsh
# for use with the bullet-train oh-my-zsh theme: https://github.com/caiogondim/bullet-train.zsh
#  (although this could be easily changed)
# Irving Popovetsky <irving@chef.io>

# default profile is used if you don't set one using AWS_PROFILE, which is recommended
OKTA_AWS_DEFAULT_PROFILE="chef-support"

function okta_aws_init () {
  if [[ -n "${AWS_PROFILE}" ]]; then
    okta_aws "${AWS_PROFILE}" || return
  else
    okta_aws "${OKTA_AWS_DEFAULT_PROFILE}" || return
  fi
  okta_session
}

function okta_session () {
  date +%s > ~/.okta_session_time
}

function okta_session_prompt () {
  local current_time session_time time_since
  if [ -f ~/.okta_session_time ]; then
    session_time="$(cat ~/.okta_session_time)"
  else
    session_time=0
  fi

  current_time="$(date +%s)"
  time_since=$((current_time - session_time))
  if [ "${time_since}" -gt 3600 ]; then
    # change the aws part of the prompt to green when its being updated
    BULLETTRAIN_AWS_BG=green
    okta_aws_init
  else
    # change it back to yellow, the default
    BULLETTRAIN_AWS_BG=yellow
  fi
}

# neat trick to not clobber zle-line-init from: https://github.com/robbyrussell/oh-my-zsh/blob/d2dfa69419845daebcfd20fed3253ae06faa2876/plugins/git-auto-fetch/git-auto-fetch.plugin.zsh
eval "override-okta-aws-$(declare -f zle-line-init)"

function zle-line-init () {
  override-okta-aws-zle-line-init
  okta_session_prompt
}
zle -N zle-line-init