Module: Cuboid::Rest::Server::Routes::Instances

Defined in:
lib/cuboid/rest/server/routes/instances.rb

Class Method Summary collapse

Class Method Details

.registered(app) ⇒ Object 



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# File 'lib/cuboid/rest/server/routes/instances.rb', line 8

def self.registered( app )

    # List instances.
    app.get '/instances' do
        update_from_scheduler

        json instances.keys.inject({}){ |h, k| h.merge! k => {} }
    end

    # Create
    app.post '/instances' do
        max_utilization! if !agent && System.max_utilization?

        options = ::JSON.load( request.body.read ) || {}

        instance = get_instance
        max_utilization! if !instance

        handle_error proc { instance.shutdown } do
            instance.run( options )
        end

        instances[instance.token] = instance

        json id: instance.token
    end

    # Progress
    app.get '/instances/:instance' do
        ensure_instance!

        session[params[:instance]] ||= {
            seen_errors:  0,
        }

        data = instance_for( params[:instance] ) do |instance|
            instance.progress(
                with:    [
                             errors:  session[params[:instance]][:seen_errors],
                         ]
            )
        end

        session[params[:instance]][:seen_errors] += data[:errors].size

        json data
    end

    app.put '/instances/:instance/scheduler' do |instance|
        ensure_scheduler!
        ensure_instance!

        handle_error do
            instance = instances.delete( instance )
            instance.close

            json scheduler.attach( instance.url, instance.token )
        end
    end

    app.get '/instances/:instance/summary' do
        ensure_instance!

        instance_for( params[:instance] ) do |instance|
            json instance.progress
        end
    end

    app.get '/instances/:instance/report.crf' do
        ensure_instance!
        content_type 'application/octet-stream'

        instance_for( params[:instance] ) do |instance|
            instance.generate_report.to_crf
        end
    end

    app.get '/instances/:instance/report.json' do
        ensure_instance!

        instance_for( params[:instance] ) do |instance|
            instance.generate_report.to_rpc_data.to_json
        end
    end

    app.put '/instances/:instance/pause' do
        ensure_instance!

        instance_for( params[:instance] ) do |instance|
            json instance.pause!
        end
    end

    app.put '/instances/:instance/resume' do
        ensure_instance!

        instance_for( params[:instance] ) do |instance|
            json instance.resume!
        end
    end

    # Abort/shutdown
    app.delete '/instances/:instance' do
        ensure_instance!
        id = params[:instance]

        instance = instances[id]
        handle_error { instance.shutdown }

        instances.delete( id ).close

        session.delete params[:instance]

        json nil
    end

end