413f9b2705
Timeouts are now handled correctly and the Runner automatically creates the execution environment if it could not be found in Poseidon. The runner is deleted locally if Poseidon returns a bad request error.
70 lines
2.3 KiB
Ruby
70 lines
2.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'forwardable'
|
|
|
|
class Runner < ApplicationRecord
|
|
belongs_to :execution_environment
|
|
belongs_to :user, polymorphic: true
|
|
|
|
before_validation :request_id
|
|
|
|
validates :execution_environment, :user, :runner_id, presence: true
|
|
|
|
STRATEGY_NAME = CodeOcean::Config.new(:code_ocean).read[:runner_management][:strategy]
|
|
UNUSED_EXPIRATION_TIME = CodeOcean::Config.new(:code_ocean).read[:runner_management][:unused_runner_expiration_time].seconds
|
|
BASE_URL = CodeOcean::Config.new(:code_ocean).read[:runner_management][:url]
|
|
DELEGATED_STRATEGY_METHODS = %i[destroy_at_management attach_to_execution copy_files].freeze
|
|
|
|
attr_accessor :strategy
|
|
|
|
def self.strategy_class
|
|
"runner/strategy/#{STRATEGY_NAME}".camelize.constantize
|
|
end
|
|
|
|
def self.for(user, exercise)
|
|
execution_environment = ExecutionEnvironment.find(exercise.execution_environment_id)
|
|
|
|
runner = find_by(user: user, execution_environment: execution_environment)
|
|
if runner.nil?
|
|
runner = Runner.create(user: user, execution_environment: execution_environment)
|
|
raise Runner::Error::Unknown.new("Runner could not be saved: #{runner.errors.inspect}") unless runner.persisted?
|
|
else
|
|
runner.strategy = strategy_class.new(runner.runner_id, runner.execution_environment)
|
|
end
|
|
|
|
runner
|
|
end
|
|
|
|
DELEGATED_STRATEGY_METHODS.each do |method|
|
|
define_method(method) do |*args, &block|
|
|
@strategy.send(method, *args, &block)
|
|
rescue Runner::Error::NotFound
|
|
request_new_id
|
|
save
|
|
@strategy.send(method, *args, &block)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def request_id
|
|
request_new_id if runner_id.blank?
|
|
end
|
|
|
|
def request_new_id
|
|
strategy_class = self.class.strategy_class
|
|
self.runner_id = strategy_class.request_from_management(execution_environment)
|
|
@strategy = strategy_class.new(runner_id, execution_environment)
|
|
rescue Runner::Error::NotFound
|
|
if strategy_class.sync_environment(execution_environment)
|
|
raise Runner::Error::NotFound.new(
|
|
"The execution environment with id #{execution_environment.id} was not found and was successfully synced with the runner management"
|
|
)
|
|
else
|
|
raise Runner::Error::NotFound.new(
|
|
"The execution environment with id #{execution_environment.id} was not found and could not be synced with the runner management"
|
|
)
|
|
end
|
|
end
|
|
end
|