src/web/handlers_boot.py

   1 #!/usr/bin/python
   2
   3 import logging
   4 import os
   5 import tornado.httpserver
   6 import tornado.ioloop
   7 import tornado.locale
   8 import tornado.options
   9 import tornado.web
  10
  11 from .handlers_base import BaseHandler
  12
  13 BASEDIR = os.path.dirname(__file__)
  14
  15 LATEST_VERSION = "2.0"
  16
  17 def word_wrap(s, width=45):
  18         paragraphs = s.split('\n')
  19         lines = []
  20         for paragraph in paragraphs:
  21                 while len(paragraph) > width:
  22                         pos = paragraph.rfind(' ', 0, width)
  23                         if not pos:
  24                                 pos = width
  25                         lines.append(paragraph[:pos])
  26                         paragraph = paragraph[pos:]
  27                 lines.append(paragraph.lstrip())
  28         return '\n'.join(lines)
  29
  30 class BootBaseHandler(BaseHandler):
  31         @property
  32         def arch(self):
  33                 arch = self.get_argument("arch", "i386")
  34                 if not arch in ("x86_64", "i586", "i386"):
  35                         raise tornado.web.HTTPError(400, "Invalid architecture")
  36
  37                 if arch == "i386":
  38                         arch = "i586"
  39
  40                 return arch
  41
  42         @property
  43         def platform(self):
  44                 platform = self.get_argument("platform", "pcbios")
  45                 if not platform in ("pcbios", "efi"):
  46                         raise tornado.web.HTTPError(400, "Invalid platform")
  47
  48                 return platform
  49
  50
  51 class MenuGPXEHandler(BootBaseHandler):
  52
  53         """
  54                 menu.gpxe
  55         """
  56         def get(self):
  57                 version = self.get_argument("version", None)
  58                 if not version or version < LATEST_VERSION:
  59                         return self.serve_update()
  60
  61                 # Deliver content
  62                 self.set_header("Content-Type", "text/plain")
  63                 self.write("#!gpxe\n")
  64
  65                 self.write("set 209:string premenu.cfg?arch=%s&platform=%s\n" \
  66                         % (self.arch, self.platform))
  67                 self.write("set 210:string http://boot.ipfire.org/\n")
  68                 self.write("chain pxelinux.0\n")
  69
  70         def serve_update(self):
  71                 self.set_header("Content-Type", "text/plain")
  72                 self.write("#!gpxe\n")
  73
  74                 # Small warning
  75                 self.write("echo\necho Your copy of gPXE/iPXE is too old. ")
  76                 self.write("Upgrade to avoid seeing this every boot!\n")
  77
  78                 self.write("chain static/netboot/ipxe.kpxe\n")
  79
  80
  81 class PremenuCfgHandler(BootBaseHandler):
  82         def get(self):
  83                 self.set_header("Content-Type", "text/plain")
  84
  85                 self.render("netboot/premenu.cfg", arch=self.arch, platform=self.platform)
  86
  87
  88 class MenuCfgHandler(BootBaseHandler):
  89         class NightlyBuildReleaseDummy(object):
  90                 id = 100
  91                 name = "Nightly Build"
  92                 sname = "nightly-build"
  93
  94                 def supports_arch(self, arch):
  95                         return arch in ("i586", "x86_64")
  96
  97                 def supports_platform(self, platform):
  98                         return platform == "pcbios"
  99
 100                 def netboot_kernel_url(self, arch, platform):
 101                         return "https://nightly.ipfire.org/next/latest/%s/images/vmlinuz" % arch
 102
 103                 def netboot_initrd_url(self, arch, platform):
 104                         return "https://nightly.ipfire.org/next/latest/%s/images/instroot" % arch
 105
 106                 def netboot_args(self, arch, platform):
 107                         return "installer.download-url=https://nightly.ipfire.org/next/latest/%s/images/installer.iso" % arch
 108
 109                 def is_netboot_capable(self):
 110                         return True
 111
 112         nightly_build = NightlyBuildReleaseDummy()
 113
 114         def get(self):
 115                 self.set_header("Content-Type", "text/plain")
 116
 117                 latest_release = self.releases.get_latest()
 118                 if latest_release and not latest_release.supports_arch(self.arch):
 119                         latest_release = None
 120
 121                 stable_releases = [r for r in self.releases.get_stable()
 122                         if r.supports_arch(self.arch) and r.supports_platform(self.platform)]
 123                 try:
 124                         stable_releases.remove(latest_release)
 125                 except ValueError:
 126                         pass
 127
 128                 development_releases = [r for r in self.releases.get_unstable()
 129                         if r.supports_arch(self.arch) and r.supports_platform(self.platform)]
 130                 development_releases.insert(0, self.nightly_build)
 131
 132                 self.render("netboot/menu.cfg", latest_release=latest_release,
 133                         stable_releases=stable_releases, development_releases=development_releases,
 134                         arch=self.arch, platform=self.platform)