fluke/devops-service/db/validators/field_validators/image.rb

require "commands/image"
require_relative "base"

module Validators
  module FieldValidator
    class Image < Base
      include ::ImageCommands

      def valid?
        available_images.detect do |image|
          image["id"] == @value
        end
      end

      def message
        "Invalid image '#{@value}'."
      end

      private

      def available_images
        get_available_provider_images(::Devops::Db.connector, @model.provider)
      end
    end
  end
end