A simple rake script for triggering Calibre snapshots via the HTTP API

calibre.rake

require "net/http"

namespace :calibre do
  desc "Trigger a Calibre snapshot to run"
  task :create_snapshot => :environment do
    res = calibre_api

    case res
    when Net::HTTPSuccess then
      say "<%= color('#{checkmark_icon} triggered Calibre snapshot successfully', GREEN) %>"
    else
      say "<%= color('#{warning_icon} triggering Calibre snapshot failed with status code #{res.code}', RED) %>"
    end
  end
end

def calibre_api
  uri = URI("https://calibreapp.com/api/sites/#{calibre_app}/snapshots")
  res = Net::HTTP.post_form(uri, "api_key" => calibre_apikey)
end

def calibre_apikey
  apikey = ENV['CALIBRE_API_KEY']
  unless apikey
    say "<%= color('#{warning_icon} missing CALIBRE_API_KEY environment variable', RED) %>"
    exit 1
  end
  apikey
end

def calibre_app
  app = ENV['CALIBRE_APP']
  unless app
    say "<%= color('#{warning_icon} missing CALIBRE_APP environment variable', RED) %>"
    exit 1
  end
  app
end

def warning_icon
  "\u26A0"
end

def checkmark_icon
   "\u2713"
end