overleaf/services/clsi/app/coffee/LocalCommandRunner.coffee
Henry Oswald 9a519f0d3d added docker runner into core codebase
supports both local command runner and docker runner

added docker files for tex live

also fixed tests so they exit correctly & removed debug lines
2018-03-14 15:44:49 +00:00

44 lines
1.6 KiB
CoffeeScript

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