gluon kernel

kernel.js

(function() {
  kernel_cache()
  return {name:"kernel"}
})

var db_key = "kernel:cache"
var kver = {}
var alert_channel = "#pdxtech"

function kernel_cache() {
  db.get(db_key, function(json){
    if(json) {
      kver = JSON.parse(json)
    }
    bot.say(bot.admin_channel, "kernel: "+JSON.stringify(kver))
  })
}

function go(msg) {
  if (msg.method == "clocktower") {
    var time = new Date(Date.parse(msg.params.time))
    if(time.getMinutes() == 30) {
      var kold = kver
      kver = kernelorg()
      dbsave()
      Object.keys(kver).forEach(function(key){
        //bot.say(bot.admin_channel, "linux kernel prev "+key+" "+kold[key].version+" <> new "+kver[key].version)
        // 'mainline' 'stable' 'longterm'
        if(key != 'longterm') {
          //bot.say(bot.admin_channel, "kver compare "+kold[key].version+" "+is_rc(kold[key].version)+" ... "+
          //       kver[key].version +" "+is_rc(kver[key].version))
          if(is_rc(kold[key].version) && !is_rc(kver[key].version)) {
            bot.say(alert_channel, "kernel.org reports linux kernel "+kver[key].version+" is here! https://kernelnewbies.org/Linux_"+kver[key].version)
          }
        }
      })
    }
  }
  
  if (msg.method == "irc.privmsg") {
    var match = /^!?kernel(\s+([A-Za-z-]+))?$/.exec(msg.params.message)
    if(match) {
      kver = kernelorg()
      dbsave()
      var names = match[2] ? [match[2]] : ["mainline", "stable"]
      var say = names.map(function(name){
        var kdata = kver[name]
        if (kdata) {
          return name+" "+kdata.version+" "+kdata.date+"."
        } else {
          return name+" not found"+"."
        }
      })
      bot.say(msg.params.channel, "linux kernel "+say.join(' '))
    }
  }
}

function is_rc(ver) {
  return ver.indexOf('-rc') > -1
}

function kernelorg() {
  var ver = {}
  var kurl = "https://www.kernel.org"
  var html = http.get(kurl).replace(/\n/g,"").replace(/\r/g,"")
  if(html.length > 0) {
    var parts = html.split('table id="releases"')[1].split('tr align="left"')
    parts.forEach(function(part){
      var match = /<td>(\w+):<\/td>.*?(\d+\.\d+[^<]*).*?(\d\d\d\d-\d\d-\d\d)/.exec(part)
      if (match) {
        if(!ver[match[1]]) {
          ver[match[1]] = {version: match[2], date: match[3]}
          //bot.say(bot.admin_channel, "K: "+JSON.stringify(kver[match[1]]))
        }
      }
    })
    return ver
  } else {
    bot.say(bot.admin_channel, kurl+" empty "+html.length+" len")
  }
}

function dbsave() {
  var json = JSON.stringify(kver)
  db.set(db_key, json)
}