class Paraduct::Runner
Attributes
base_job_dir[R]
params[R]
Public Class Methods
new(params: nil, base_job_dir: nil, job_id: nil)
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@param params [Hash{String => String}] value is quoted (ex. FOO=1 => FOO=“1” ) @param base_job_dir
[String] @param job_id [String]
# File lib/paraduct/runner.rb, line 10 def initialize(params: nil, base_job_dir: nil, job_id: nil) @params = params @base_job_dir = base_job_dir @job_id = job_id end
Public Instance Methods
formatted_params()
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# File lib/paraduct/runner.rb, line 44 def formatted_params @params.map { |key, value| "#{key}=#{value}" }.join(", ") end
job_dir()
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# File lib/paraduct/runner.rb, line 36 def job_dir Pathname(@base_job_dir).join(job_name) end
job_name()
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# File lib/paraduct/runner.rb, line 40 def job_name @params.map { |key, value| "#{key}_#{value}" }.join("_").gsub(%r{[/ ]}, "_") end
logger()
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# File lib/paraduct/runner.rb, line 48 def logger unless @logger stdout_logger = Paraduct::ColoredLabelLogger.new(formatted_params) file_logger = Logger.new(Pathname(@base_job_dir).join("#{job_name}.log")) @logger = stdout_logger.extend(ActiveSupport::Logger.broadcast(file_logger)) end @logger end
perform(script)
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run script with params @param script [String, Array<String>] script file, script(s) @return [String] stdout @raise [Paraduct::Errors::ProcessError] command exited error status
# File lib/paraduct/runner.rb, line 26 def perform(script) export_variables = @params.reverse_merge("PARADUCT_JOB_ID" => @job_id, "PARADUCT_JOB_NAME" => job_name) variable_string = export_variables.map { |key, value| %(export #{key}="#{value}";) }.join(" ") Array.wrap(script).inject("") do |stdout, command| stdout << run_command("#{variable_string} #{command}") stdout end end
setup_dir()
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# File lib/paraduct/runner.rb, line 16 def setup_dir FileUtils.mkdir_p(job_dir) unless job_dir.exist? Paraduct::SyncUtils.copy_recursive(Paraduct.config.root_dir, job_dir) Dir.chdir(job_dir) end
Private Instance Methods
run_command(command)
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# File lib/paraduct/runner.rb, line 60 def run_command(command) full_stdout = "" exit_status = nil logger.info "run_command: #{command}" PTY.spawn(command) do |stdin, stdout, pid| stdout.close_write stdin.sync = true begin stdin.each do |line| line.strip! logger.info line full_stdout << "#{line}\n" end rescue Errno::EIO # rubocop:disable Lint/HandleExceptions ensure _, exit_status = Process.waitpid2(pid) end end raise Paraduct::Errors::ProcessError.new(full_stdout, exit_status) unless exit_status.success? full_stdout end