Proposed interface

README.md

node-liblxc

API

lxc.new(name,configPath,cb)

Creates a new container.

Parameters:

• name - The name to give the new container
• configPath - A path to the configuration file that should be used when constructing this container.
• cb - Callback defined as function(e,container)
  • e - the error of creation fails
  • container - the newly created container

Returns nothing

container.isDefined(cb)

Checks to see if the container has already been defined on the system.

Parameters:

• cb - Callback defined as function(defined)
  • defined - a boolean, true if defined on system.

returns nothing

container.create(template, backingStore, backingStoreArgs, flags, args, cb)

Creates the container.

Parameters:

• template - Template to execute to instantiate the root filesystem and adjust the configuration.
• backingStore - A string representing the backing store type to use (if NULL, dir will be used).
• backingStoreParams - Additional parameters for the backing store.
• flags - LXC_CREATE_* commands. Currently only (lxc.createQuiet is supported).
• args - flags to pass to the template.

liblxc-interface.js

var lxc = require('liblxc')
var async = require('async')

async.series([
  function(cb) {
    return lxc.new(cb)
  },
  function(container,cb) {
    container.isDefined(function(defined) {
      if(defined) return cb("Already Defined")
      return cb(null,container)
    }
  },
  function(container,cb) {
     var flags = [lxc.createQuiet]
     var args  = ["-d","ubuntu","-r","trusty","-a","amd64"]
     var template = "download"
     var backingStore = null
     var backingStoreArgs = null
     container.create(template,backingStore,backingStoreArgs,flags,args,function(e) {
        return cb(e,container)
     }
  },
  ...
],function(e) {
  if(e) return console.error(e)
})