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44 lines
1.6 KiB
CoffeeScript
44 lines
1.6 KiB
CoffeeScript
spawn = require("child_process").spawn
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logger = require "logger-sharelatex"
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logger.info "using standard command runner"
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module.exports = CommandRunner =
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run: (project_id, command, directory, image, timeout, environment, callback = (error) ->) ->
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command = (arg.replace('$COMPILE_DIR', directory) for arg in command)
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logger.log project_id: project_id, command: command, directory: directory, "running command"
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logger.warn "timeouts and sandboxing are not enabled with CommandRunner"
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# merge environment settings
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env = {}
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env[key] = value for key, value of process.env
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env[key] = value for key, value of environment
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# run command as detached process so it has its own process group (which can be killed if needed)
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proc = spawn command[0], command.slice(1), stdio: "inherit", cwd: directory, detached: true, env: env
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proc.on "error", (err)->
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logger.err err:err, project_id:project_id, command: command, directory: directory, "error running command"
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callback(err)
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proc.on "close", (code, signal) ->
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logger.info code:code, signal:signal, project_id:project_id, "command exited"
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if signal is 'SIGTERM' # signal from kill method below
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err = new Error("terminated")
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err.terminated = true
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return callback(err)
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else if code
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err = new Error("exit")
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err.code = code
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return callback(err)
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else
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callback()
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return proc.pid # return process id to allow job to be killed if necessary
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kill: (pid, callback = (error) ->) ->
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try
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process.kill -pid # kill all processes in group
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catch err
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return callback(err)
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callback()
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