mackerel.rake

namespace :deploy do
  namespace :mackerel do
    desc 'Record time deploy strated'
    task :starting do
      run_locally { set :deploy_starttime, Time.now.to_i }
    end

    desc 'Annotate Mackerel with release url'
    task :annotate do
      run_locally do
        annotation = {
          service: fetch(:mackerel_service),
          roles: [ fetch(:mackerel_role) ],
          from: fetch(:deploy_starttime),
          to: Time.now.to_i,
          title: "#{fetch(:project)} deployed",
          description: "#{fetch(:release_url)} by capistrano"
        }
        c = Mackerel::Client.new(mackerel_api_key: ENV['MACKEREL_APIKEY'])
        c.post_graph_annotation(annotation)
      end
    end
  end
end

after 'deploy:starting', 'deploy:mackerel:starting'
after 'deploy:finishing', 'deploy:mackerel:annotate'