fluke/devops-service/routes/v2.0/image.rb

require "providers/provider_factory"
require "commands/image"

module Devops
  module Version2_0
    module Core
      module ImageRoutes

        extend ImageCommands

        def self.registered(app)
          app.after %r{\A/image(/[\w]+)?\z} do
            statistic
          end

          # Get devops images list
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #   - parameters:
          #     - provider=ec2|openstack -> return images for provider
          #
          # * *Returns* :
          #   [
          #     {
          #       "provider": "openstack",
          #       "name": "centos-6.4-x86_64",
          #       "remote_user": "root",
          #       "bootstrap_template": null,
          #       "id": "36dc7618-4178-4e29-be43-286fbfe90f50"
          #     }
          #   ]
          app.get "/images" do
            check_headers :accept
            check_privileges("image", "r")
            check_provider(params[:provider]) if params[:provider]
            images = settings.mongo.images(params[:provider])
            json(images.map {|i| i.to_hash})
          end

          # Get raw images for :provider
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   - ec2
          #   [
          #     {
          #       "id": "ami-83e4bcea",
          #       "name": "amzn-ami-pv-2013.09.1.x86_64-ebs",
          #       "status": "available"
          #     }
          #   ]
          #   - openstack
          #   [
          #      {
          #       "id": "36dc7618-4178-4e29-be43-286fbfe90f50",
          #       "name": "centos-6.4-x86_64",
          #       "status": "ACTIVE"
          #     }
          #   ]
          app.get "/images/provider/:provider" do
            check_headers :accept
            check_privileges("image", "r")
            check_provider(params[:provider])
            json get_images(settings.mongo, params[:provider])
          end

          # Get devops image by id
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   {
          #     "provider": "openstack",
          #     "name": "centos-6.4-x86_64",
          #     "remote_user": "root",
          #     "bootstrap_template": null,
          #     "id": "36dc7618-4178-4e29-be43-286fbfe90f50"
          #   }
          app.get "/image/:image_id" do
            check_headers :accept
            check_privileges("image", "r")
            json settings.mongo.image(params[:image_id])
          end

          # Create devops image
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "id": "image id",
          #       "provider": "image provider",
          #       "remote_user": "user", -> the ssh username
          #       "bootstrap_template": null, -> specific bootstrap template name or nil
          #       "name": "image name"
          #     }
          #
          # * *Returns* :
          #   201 - Created
          app.post "/image" do
            check_headers
            check_privileges("image", "w")
            image = create_object_from_json_body
            settings.mongo.image_insert Image.new(image)
            create_response "Created", nil, 201
          end

          # Update devops image
          #
          # * *Request*
          #   - method : PUT
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "id": "image id",
          #       "provider": "image provider",
          #       "remote_user": "user" -> the ssh username
          #       "bootstrap_template": null -> specific bootstrap template name or nil
          #       "name": "image name"
          #     }
          #
          # * *Returns* :
          #   200 - Updated
          app.put "/image/:image_id" do
            check_headers
            check_privileges("image", "w")
            settings.mongo.image params[:image_id]
            image = Image.new(create_object_from_json_body)
            image.id = params[:image_id]
            settings.mongo.image_update image
            create_response("Image '#{params[:image_id]}' has been updated")
          end

          # Delete devops image
          #
          # * *Request*
          #   - method : DELETE
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   200 - Deleted
          app.delete "/image/:image_id" do
            check_headers
            check_privileges("image", "w")
            projects = settings.mongo.projects_by_image params[:image_id]
            unless projects.empty?
              ar = []
              projects.each do |p|
                ar += p.deploy_envs.select{|e| e.image == params[:image_id]}.map{|e| "#{p.id}.#{e.identifier}"}
              end
              raise DependencyError.new "Deleting is forbidden: Image is used in #{ar.join(", ")}"
            end

            r = settings.mongo.image_delete params[:image_id]
            create_response("Image '#{params[:image_id]}' has been removed")
          end

          puts "Image routes initialized"
        end

      end
    end
  end
end