52 lines
1.7 KiB
Ruby
52 lines
1.7 KiB
Ruby
class ExecutionEnvironment < ActiveRecord::Base
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include Creation
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VALIDATION_COMMAND = 'whoami'
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after_initialize :set_default_values
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has_many :exercises
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has_many :hints
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scope :with_exercises, -> { where('id IN (SELECT execution_environment_id FROM exercises)') }
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validate :valid_test_setup?
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validate :working_docker_image?, if: :validate_docker_image?
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validates :docker_image, presence: true
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validates :name, presence: true
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validates :permitted_execution_time, numericality: {only_integer: true}, presence: true
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validates :pool_size, numericality: {only_integer: true}, presence: true
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validates :run_command, presence: true
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def set_default_values
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self.permitted_execution_time ||= 60 if has_attribute?(:permitted_execution_time)
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self.pool_size ||= 0 if has_attribute?(:pool_size)
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end
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private :set_default_values
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def to_s
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name
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end
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def valid_test_setup?
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if test_command? ^ testing_framework?
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errors.add(:test_command, I18n.t('activerecord.errors.messages.together', attribute: I18n.t('activerecord.attributes.execution_environment.testing_framework')))
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end
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end
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private :valid_test_setup?
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def validate_docker_image?
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docker_image.present? && !Rails.env.test?
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end
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private :validate_docker_image?
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def working_docker_image?
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DockerClient.pull(docker_image) unless DockerClient.image_tags.include?(docker_image)
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output = DockerClient.new(execution_environment: self).execute_arbitrary_command(VALIDATION_COMMAND)
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errors.add(:docker_image, "error: #{output[:stderr]}") if output[:stderr].present?
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rescue DockerClient::Error => error
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errors.add(:docker_image, "error: #{error}")
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end
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private :working_docker_image?
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end
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