Auto pause/resume all Release environments

auto_pause_resume.sh

#!/bin/bash

set -euo pipefail

scale_environment() {
  app=$1
  env=$2
  replicas=$3

  echo "Setting $app environment $env replicas to $replicas"
  release environments config-get --app "$app" --environment "$env" \
    | yq ".resources.replicas = $replicas" \
    | release environments config-set --app "$app" --environment "$env"

  echo "Deploying $app environment $env"
  release deploys create --app "$app" --environment "$env" --setup
}

scale_all_environments() {
  app=$1
  replicas=$2

  for env in $(release environments list --app "$app" -o json | jq -r "map(.handle) | .[]"); do
    scale_environment "$app" "$env" "$replicas"
  done
}

scale_all_apps() {
  replicas=$1

  for app in $(release apps list -o json | jq -r "map(.name) | .[]"); do
    echo "Scaling all environments for app $app to $replicas"
    scale_all_environments "$app" "$replicas"
  done
}

action=${1:-""}

if [[ "$action" == "pause" ]]; then
  echo "Pausing all environments"
  scale_all_apps 0
elif [[ "$action" == "resume" ]]; then
  echo "Resuming all environments"
  scale_all_apps 1
else
  echo "Must specify action (pause or resume)"
fi