1 | #!/usr/bin/python |
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2 | """Main CGI script for web interface""" |
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3 | |
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4 | from __future__ import with_statement |
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5 | |
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6 | import base64 |
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7 | import cPickle |
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8 | import cgi |
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9 | import datetime |
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10 | import hmac |
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11 | import os |
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12 | import random |
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13 | import sha |
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14 | import sys |
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15 | import threading |
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16 | import time |
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17 | import urllib |
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18 | import socket |
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19 | import cherrypy |
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20 | from cherrypy import _cperror |
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21 | from StringIO import StringIO |
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22 | |
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23 | def printError(): |
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24 | """Revert stderr to stdout, and print the contents of stderr""" |
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25 | if isinstance(sys.stderr, StringIO): |
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26 | print revertStandardError() |
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27 | |
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28 | if __name__ == '__main__': |
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29 | import atexit |
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30 | atexit.register(printError) |
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31 | |
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32 | import validation |
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33 | import cache_acls |
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34 | from webcommon import State |
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35 | import controls |
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36 | from getafsgroups import getAfsGroupMembers |
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37 | from invirt import database |
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38 | from invirt.database import Machine, CDROM, session, connect, MachineAccess, Type, Autoinstall |
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39 | from invirt.config import structs as config |
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40 | from invirt.common import InvalidInput, CodeError |
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41 | |
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42 | from view import View, revertStandardError |
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43 | import ajaxterm |
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44 | |
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45 | |
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46 | static_dir = os.path.join(os.path.dirname(__file__), 'static') |
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47 | InvirtStatic = cherrypy.tools.staticdir.handler( |
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48 | root=static_dir, |
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49 | dir=static_dir, |
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50 | section='/static') |
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51 | |
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52 | class InvirtUnauthWeb(View): |
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53 | static = InvirtStatic |
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54 | |
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55 | @cherrypy.expose |
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56 | @cherrypy.tools.mako(filename="/unauth.mako") |
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57 | def index(self): |
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58 | return {'simple': True} |
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59 | |
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60 | class InvirtWeb(View): |
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61 | def __init__(self): |
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62 | super(self.__class__,self).__init__() |
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63 | connect() |
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64 | self._cp_config['tools.require_login.on'] = True |
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65 | self._cp_config['tools.catch_stderr.on'] = True |
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66 | self._cp_config['tools.mako.imports'] = ['from invirt.config import structs as config', |
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67 | 'from invirt import database'] |
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68 | self._cp_config['request.error_response'] = self.handle_error |
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69 | |
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70 | static = InvirtStatic |
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71 | |
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72 | @cherrypy.expose |
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73 | @cherrypy.tools.mako(filename="/invalid.mako") |
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74 | def invalidInput(self): |
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75 | """Print an error page when an InvalidInput exception occurs""" |
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76 | err = cherrypy.request.prev.params["err"] |
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77 | emsg = cherrypy.request.prev.params["emsg"] |
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78 | d = dict(err_field=err.err_field, |
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79 | err_value=str(err.err_value), stderr=emsg, |
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80 | errorMessage=str(err)) |
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81 | return d |
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82 | |
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83 | @cherrypy.expose |
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84 | @cherrypy.tools.mako(filename="/error.mako") |
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85 | def error(self): |
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86 | """Print an error page when an exception occurs""" |
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87 | op = cherrypy.request.prev.path_info |
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88 | username = cherrypy.request.login |
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89 | err = cherrypy.request.prev.params["err"] |
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90 | emsg = cherrypy.request.prev.params["emsg"] |
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91 | traceback = cherrypy.request.prev.params["traceback"] |
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92 | d = dict(op=op, user=username, fields=cherrypy.request.prev.params, |
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93 | errorMessage=str(err), stderr=emsg, traceback=traceback) |
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94 | error_raw = cherrypy.request.lookup.get_template("/error_raw.mako") |
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95 | details = error_raw.render(**d) |
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96 | exclude = config.web.errormail_exclude |
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97 | if username not in exclude and '*' not in exclude: |
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98 | send_error_mail('xvm error on %s for %s: %s' % (op, cherrypy.request.login, err), |
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99 | details) |
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100 | d['details'] = details |
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101 | return d |
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102 | |
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103 | def __getattr__(self, name): |
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104 | if name in ("admin", "overlord"): |
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105 | if not cherrypy.request.login in getAfsGroupMembers(config.adminacl, config.authz.afs.cells[0].cell): |
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106 | raise InvalidInput('username', cherrypy.request.login, |
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107 | 'Not in admin group %s.' % config.adminacl) |
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108 | cherrypy.request.state = State(cherrypy.request.login, isadmin=True) |
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109 | return self |
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110 | else: |
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111 | return super(InvirtWeb, self).__getattr__(name) |
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112 | |
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113 | def handle_error(self): |
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114 | err = sys.exc_info()[1] |
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115 | if isinstance(err, InvalidInput): |
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116 | cherrypy.request.params['err'] = err |
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117 | cherrypy.request.params['emsg'] = revertStandardError() |
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118 | raise cherrypy.InternalRedirect('/invalidInput') |
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119 | if not cherrypy.request.prev or 'err' not in cherrypy.request.prev.params: |
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120 | cherrypy.request.params['err'] = err |
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121 | cherrypy.request.params['emsg'] = revertStandardError() |
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122 | cherrypy.request.params['traceback'] = _cperror.format_exc() |
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123 | raise cherrypy.InternalRedirect('/error') |
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124 | # fall back to cherrypy default error page |
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125 | cherrypy.HTTPError(500).set_response() |
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126 | |
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127 | @cherrypy.expose |
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128 | @cherrypy.tools.mako(filename="/list.mako") |
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129 | def list(self, result=None): |
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130 | """Handler for list requests.""" |
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131 | d = getListDict(cherrypy.request.login, cherrypy.request.state) |
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132 | if result is not None: |
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133 | d['result'] = result |
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134 | return d |
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135 | index=list |
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136 | |
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137 | @cherrypy.expose |
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138 | @cherrypy.tools.mako(filename="/help.mako") |
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139 | def help(self, subject=None, simple=False): |
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140 | """Handler for help messages.""" |
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141 | |
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142 | help_mapping = { |
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143 | 'Autoinstalls': """ |
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144 | The autoinstaller builds a minimal Debian or Ubuntu system to run as a |
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145 | ParaVM. You can access the resulting system by logging into the <a |
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146 | href="help?simple=true&subject=ParaVM+Console">serial console server</a> |
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147 | with your Kerberos tickets; there is no root password so sshd will |
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148 | refuse login.</p> |
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149 | |
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150 | <p>Under the covers, the autoinstaller uses our own patched version of |
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151 | xen-create-image, which is a tool based on debootstrap. If you log |
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152 | into the serial console while the install is running, you can watch |
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153 | it. |
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154 | """, |
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155 | 'ParaVM Console': """ |
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156 | ParaVM machines do not support local console access over VNC. To |
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157 | access the serial console of these machines, you can SSH with Kerberos |
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158 | to %s, using the name of the machine as your |
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159 | username.""" % config.console.hostname, |
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160 | 'HVM/ParaVM': """ |
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161 | HVM machines use the virtualization features of the processor, while |
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162 | ParaVM machines rely on a modified kernel to communicate directly with |
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163 | the hypervisor. HVMs support boot CDs of any operating system, and |
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164 | the VNC console applet. The three-minute autoinstaller produces |
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165 | ParaVMs. ParaVMs typically are more efficient, and always support the |
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166 | <a href="help?subject=ParaVM+Console">console server</a>.</p> |
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167 | |
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168 | <p>More details are <a |
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169 | href="https://xvm.scripts.mit.edu/wiki/Paravirtualization">on the |
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170 | wiki</a>, including steps to prepare an HVM guest to boot as a ParaVM |
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171 | (which you can skip by using the autoinstaller to begin with.)</p> |
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172 | |
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173 | <p>We recommend using a ParaVM when possible and an HVM when necessary. |
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174 | """, |
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175 | 'CPU Weight': """ |
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176 | Don't ask us! We're as mystified as you are.""", |
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177 | 'Owner': """ |
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178 | The owner field is used to determine <a |
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179 | href="help?subject=Quotas">quotas</a>. It must be the name of a |
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180 | locker that you are an AFS administrator of. In particular, you or an |
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181 | AFS group you are a member of must have AFS rlidwka bits on the |
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182 | locker. You can check who administers the LOCKER locker using the |
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183 | commands 'attach LOCKER; fs la /mit/LOCKER' on Athena.) See also <a |
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184 | href="help?subject=Administrator">administrator</a>.""", |
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185 | 'Administrator': """ |
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186 | The administrator field determines who can access the console and |
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187 | power on and off the machine. This can be either a user or a moira |
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188 | group.""", |
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189 | 'Quotas': """ |
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190 | Quotas are determined on a per-locker basis. Each locker may have a |
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191 | maximum of 512 mebibytes of active ram, 50 gibibytes of disk, and 4 |
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192 | active machines.""", |
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193 | 'Console': """ |
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194 | <strong>Framebuffer:</strong> At a Linux boot prompt in your VM, try |
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195 | setting <tt>fb=false</tt> to disable the framebuffer. If you don't, |
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196 | your machine will run just fine, but the applet's display of the |
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197 | console will suffer artifacts. |
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198 | """, |
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199 | 'Windows': """ |
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200 | <strong>Windows Vista:</strong> The Vista image is licensed for all MIT students and will automatically activate off the network; see <a href="/static/msca-email.txt">the licensing confirmation e-mail</a> for details. The installer requires 512 MiB RAM and at least 7.5 GiB disk space (15 GiB or more recommended).<br> |
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201 | <strong>Windows XP:</strong> This is the volume license CD image. You will need your own volume license key to complete the install. We do not have these available for the general MIT community; ask your department if they have one, or visit <a href="http://msca.mit.edu/">http://msca.mit.edu/</a> if you are staff/faculty to request one. |
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202 | """ |
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203 | } |
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204 | |
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205 | if not subject: |
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206 | subject = sorted(help_mapping.keys()) |
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207 | if not isinstance(subject, list): |
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208 | subject = [subject] |
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209 | |
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210 | return dict(simple=simple, |
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211 | subjects=subject, |
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212 | mapping=help_mapping) |
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213 | help._cp_config['tools.require_login.on'] = False |
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214 | |
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215 | def parseCreate(self, fields): |
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216 | kws = dict([(kw, fields[kw]) for kw in |
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217 | 'name description owner memory disksize vmtype cdrom autoinstall'.split() |
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218 | if fields[kw]]) |
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219 | validate = validation.Validate(cherrypy.request.login, |
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220 | cherrypy.request.state, |
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221 | strict=True, **kws) |
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222 | return dict(contact=cherrypy.request.login, name=validate.name, |
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223 | description=validate.description, memory=validate.memory, |
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224 | disksize=validate.disksize, owner=validate.owner, |
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225 | machine_type=getattr(validate, 'vmtype', Defaults.type), |
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226 | cdrom=getattr(validate, 'cdrom', None), |
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227 | autoinstall=getattr(validate, 'autoinstall', None)) |
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228 | |
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229 | @cherrypy.expose |
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230 | @cherrypy.tools.mako(filename="/list.mako") |
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231 | @cherrypy.tools.require_POST() |
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232 | def create(self, **fields): |
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233 | """Handler for create requests.""" |
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234 | try: |
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235 | parsed_fields = self.parseCreate(fields) |
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236 | machine = controls.createVm(cherrypy.request.login, |
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237 | cherrypy.request.state, **parsed_fields) |
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238 | except InvalidInput, err: |
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239 | pass |
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240 | else: |
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241 | err = None |
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242 | cherrypy.request.state.clear() #Changed global state |
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243 | d = getListDict(cherrypy.request.login, cherrypy.request.state) |
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244 | d['err'] = err |
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245 | if err: |
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246 | for field, value in fields.items(): |
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247 | setattr(d['defaults'], field, value) |
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248 | else: |
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249 | d['new_machine'] = parsed_fields['name'] |
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250 | return d |
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251 | |
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252 | @cherrypy.expose |
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253 | @cherrypy.tools.mako(filename="/helloworld.mako") |
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254 | def helloworld(self, **kwargs): |
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255 | return {'request': cherrypy.request, 'kwargs': kwargs} |
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256 | helloworld._cp_config['tools.require_login.on'] = False |
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257 | |
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258 | @cherrypy.expose |
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259 | def errortest(self): |
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260 | """Throw an error, to test the error-tracing mechanisms.""" |
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261 | print >>sys.stderr, "look ma, it's a stderr" |
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262 | raise RuntimeError("test of the emergency broadcast system") |
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263 | |
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264 | class MachineView(View): |
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265 | def __getattr__(self, name): |
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266 | """Synthesize attributes to allow RESTful URLs like |
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267 | /machine/13/info. This is hairy. CherryPy 3.2 adds a |
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268 | method called _cp_dispatch that allows you to explicitly |
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269 | handle URLs that can't be mapped, and it allows you to |
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270 | rewrite the path components and continue processing. |
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271 | |
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272 | This function gets the next path component being resolved |
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273 | as a string. _cp_dispatch will get an array of strings |
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274 | representing any subsequent path components as well.""" |
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275 | |
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276 | try: |
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277 | cherrypy.request.params['machine_id'] = int(name) |
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278 | return self |
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279 | except ValueError: |
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280 | return None |
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281 | |
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282 | @cherrypy.expose |
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283 | @cherrypy.tools.mako(filename="/info.mako") |
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284 | def info(self, machine_id): |
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285 | """Handler for info on a single VM.""" |
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286 | machine = validation.Validate(cherrypy.request.login, |
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287 | cherrypy.request.state, |
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288 | machine_id=machine_id).machine |
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289 | d = infoDict(cherrypy.request.login, cherrypy.request.state, machine) |
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290 | return d |
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291 | index = info |
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292 | |
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293 | @cherrypy.expose |
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294 | @cherrypy.tools.mako(filename="/info.mako") |
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295 | @cherrypy.tools.require_POST() |
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296 | def modify(self, machine_id, **fields): |
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297 | """Handler for modifying attributes of a machine.""" |
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298 | try: |
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299 | modify_dict = modifyDict(cherrypy.request.login, |
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300 | cherrypy.request.state, |
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301 | machine_id, fields) |
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302 | except InvalidInput, err: |
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303 | result = None |
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304 | machine = validation.Validate(cherrypy.request.login, |
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305 | cherrypy.request.state, |
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306 | machine_id=machine_id).machine |
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307 | else: |
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308 | machine = modify_dict['machine'] |
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309 | result = 'Success!' |
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310 | err = None |
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311 | info_dict = infoDict(cherrypy.request.login, |
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312 | cherrypy.request.state, machine) |
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313 | info_dict['err'] = err |
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314 | if err: |
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315 | for field, value in fields.items(): |
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316 | setattr(info_dict['defaults'], field, value) |
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317 | info_dict['result'] = result |
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318 | return info_dict |
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319 | |
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320 | @cherrypy.expose |
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321 | @cherrypy.tools.mako(filename="/vnc.mako") |
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322 | def vnc(self, machine_id): |
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323 | """VNC applet page. |
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324 | |
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325 | Note that due to same-domain restrictions, the applet connects to |
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326 | the webserver, which needs to forward those requests to the xen |
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327 | server. The Xen server runs another proxy that (1) authenticates |
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328 | and (2) finds the correct port for the VM. |
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329 | |
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330 | You might want iptables like: |
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331 | |
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332 | -t nat -A PREROUTING -s ! 18.181.0.60 -i eth1 -p tcp -m tcp \ |
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333 | --dport 10003 -j DNAT --to-destination 18.181.0.60:10003 |
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334 | -t nat -A POSTROUTING -d 18.181.0.60 -o eth1 -p tcp -m tcp \ |
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335 | --dport 10003 -j SNAT --to-source 18.187.7.142 |
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336 | -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \ |
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337 | --dport 10003 -j ACCEPT |
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338 | |
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339 | Remember to enable iptables! |
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340 | echo 1 > /proc/sys/net/ipv4/ip_forward |
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341 | """ |
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342 | machine = validation.Validate(cherrypy.request.login, |
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343 | cherrypy.request.state, |
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344 | machine_id=machine_id).machine |
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345 | token = controls.vnctoken(machine) |
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346 | host = controls.listHost(machine) |
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347 | if host: |
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348 | port = 10003 + [h.hostname for h in config.hosts].index(host) |
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349 | else: |
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350 | port = 5900 # dummy |
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351 | |
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352 | status = controls.statusInfo(machine) |
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353 | has_vnc = hasVnc(status) |
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354 | |
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355 | d = dict(on=status, |
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356 | has_vnc=has_vnc, |
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357 | machine=machine, |
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358 | hostname=cherrypy.request.local.name, |
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359 | port=port, |
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360 | authtoken=token) |
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361 | return d |
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362 | |
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363 | @cherrypy.expose |
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364 | @cherrypy.tools.mako(filename="/command.mako") |
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365 | @cherrypy.tools.require_POST() |
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366 | def command(self, command_name, machine_id, **kwargs): |
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367 | """Handler for running commands like boot and delete on a VM.""" |
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368 | back = kwargs.get('back') |
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369 | if command_name == 'delete': |
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370 | back = 'list' |
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371 | try: |
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372 | d = controls.commandResult(cherrypy.request.login, |
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373 | cherrypy.request.state, |
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374 | command_name, machine_id, kwargs) |
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375 | except InvalidInput, err: |
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376 | if not back: |
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377 | raise |
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378 | print >> sys.stderr, err |
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379 | result = str(err) |
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380 | else: |
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381 | result = 'Success!' |
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382 | if not back: |
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383 | return d |
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384 | if back == 'list': |
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385 | cherrypy.request.state.clear() #Changed global state |
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386 | raise cherrypy.InternalRedirect('/list?result=%s' |
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387 | % urllib.quote(result)) |
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388 | elif back == 'info': |
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389 | raise cherrypy.HTTPRedirect(cherrypy.request.base |
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390 | + '/machine/%d/' % machine_id, |
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391 | status=303) |
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392 | else: |
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393 | raise InvalidInput('back', back, 'Not a known back page.') |
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394 | |
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395 | atmulti = ajaxterm.Multiplex() |
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396 | atsessions = {} |
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397 | atsessions_lock = threading.Lock() |
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398 | |
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399 | @cherrypy.expose |
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400 | @cherrypy.tools.mako(filename="/terminal.mako") |
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401 | def terminal(self, machine_id): |
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402 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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403 | |
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404 | status = controls.statusInfo(machine) |
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405 | has_vnc = hasVnc(status) |
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406 | |
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407 | d = dict(on=status, |
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408 | has_vnc=has_vnc, |
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409 | machine=machine, |
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410 | hostname=cherrypy.request.local.name) |
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411 | return d |
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412 | |
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413 | @cherrypy.expose |
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414 | @cherrypy.tools.require_POST() |
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415 | @cherrypy.tools.gzip() |
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416 | def at(self, machine_id, k=None, c=0, h=None): |
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417 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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418 | with self.atsessions_lock: |
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419 | if machine_id in self.atsessions: |
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420 | term = self.atsessions[machine_id] |
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421 | else: |
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422 | print >>sys.stderr, "spawning new session for terminal to ",machine_id |
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423 | term = self.atmulti.create( |
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424 | ["ssh", "-e","none", "-l", machine.name, config.console.hostname] |
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425 | ) |
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426 | # Clear out old sessions when fd is reused |
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427 | for key in self.atsessions: |
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428 | if self.atsessions[key] == term: |
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429 | del self.atsessions[key] |
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430 | self.atsessions[machine_id] = term |
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431 | if k: |
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432 | self.atmulti.proc_write(term,k) |
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433 | time.sleep(0.002) |
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434 | dump=self.atmulti.dump(term,c,h) |
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435 | cherrypy.response.headers['Content-Type']='text/xml' |
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436 | if isinstance(dump,str): |
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437 | return dump |
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438 | else: |
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439 | print "Removing session for", machine_id |
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440 | del self.atsessions[machine_id] |
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441 | return '<?xml version="1.0"?><idem></idem>' |
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442 | |
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443 | machine = MachineView() |
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444 | |
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445 | |
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446 | class Defaults: |
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447 | """Class to store default values for fields.""" |
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448 | memory = 256 |
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449 | disk = 4.0 |
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450 | cdrom = '' |
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451 | autoinstall = '' |
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452 | name = '' |
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453 | description = '' |
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454 | administrator = '' |
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455 | type = 'linux-hvm' |
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456 | |
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457 | def __init__(self, max_memory=None, max_disk=None, **kws): |
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458 | if max_memory is not None: |
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459 | self.memory = min(self.memory, max_memory) |
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460 | if max_disk is not None: |
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461 | self.disk = min(self.disk, max_disk) |
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462 | for key in kws: |
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463 | setattr(self, key, kws[key]) |
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464 | |
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465 | def hasVnc(status): |
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466 | """Does the machine with a given status list support VNC?""" |
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467 | if status is None: |
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468 | return False |
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469 | for l in status: |
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470 | if l[0] == 'device' and l[1][0] == 'vfb': |
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471 | d = dict(l[1][1:]) |
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472 | return 'location' in d |
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473 | return False |
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474 | |
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475 | |
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476 | def getListDict(username, state): |
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477 | """Gets the list of local variables used by list.tmpl.""" |
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478 | machines = state.machines |
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479 | on = {} |
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480 | has_vnc = {} |
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481 | installing = {} |
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482 | xmlist = state.xmlist |
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483 | for m in machines: |
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484 | if m not in xmlist: |
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485 | has_vnc[m] = 'Off' |
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486 | m.uptime = None |
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487 | else: |
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488 | m.uptime = xmlist[m]['uptime'] |
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489 | installing[m] = bool(xmlist[m].get('autoinstall')) |
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490 | if xmlist[m]['console']: |
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491 | has_vnc[m] = True |
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492 | elif m.type.hvm: |
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493 | has_vnc[m] = "WTF?" |
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494 | else: |
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495 | has_vnc[m] = "ParaVM" |
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496 | max_memory = validation.maxMemory(username, state) |
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497 | max_disk = validation.maxDisk(username) |
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498 | defaults = Defaults(max_memory=max_memory, |
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499 | max_disk=max_disk, |
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500 | owner=username) |
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501 | def sortkey(machine): |
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502 | return (machine.owner != username, machine.owner, machine.name) |
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503 | machines = sorted(machines, key=sortkey) |
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504 | d = dict(user=username, |
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505 | cant_add_vm=validation.cantAddVm(username, state), |
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506 | max_memory=max_memory, |
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507 | max_disk=max_disk, |
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508 | defaults=defaults, |
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509 | machines=machines, |
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510 | has_vnc=has_vnc, |
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511 | installing=installing) |
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512 | return d |
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513 | |
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514 | def getHostname(nic): |
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515 | """Find the hostname associated with a NIC. |
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516 | |
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517 | XXX this should be merged with the similar logic in DNS and DHCP. |
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518 | """ |
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519 | if nic.hostname: |
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520 | hostname = nic.hostname |
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521 | elif nic.machine: |
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522 | hostname = nic.machine.name |
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523 | else: |
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524 | return None |
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525 | if '.' in hostname: |
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526 | return hostname |
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527 | else: |
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528 | return hostname + '.' + config.dns.domains[0] |
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529 | |
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530 | def getNicInfo(data_dict, machine): |
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531 | """Helper function for info, get data on nics for a machine. |
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532 | |
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533 | Modifies data_dict to include the relevant data, and returns a list |
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534 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
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535 | """ |
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536 | data_dict['num_nics'] = len(machine.nics) |
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537 | nic_fields_template = [('nic%s_hostname', 'NIC %s Hostname'), |
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538 | ('nic%s_mac', 'NIC %s MAC Addr'), |
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539 | ('nic%s_ip', 'NIC %s IP'), |
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540 | ] |
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541 | nic_fields = [] |
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542 | for i in range(len(machine.nics)): |
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543 | nic_fields.extend([(x % i, y % i) for x, y in nic_fields_template]) |
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544 | data_dict['nic%s_hostname' % i] = getHostname(machine.nics[i]) |
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545 | data_dict['nic%s_mac' % i] = machine.nics[i].mac_addr |
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546 | data_dict['nic%s_ip' % i] = machine.nics[i].ip |
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547 | if len(machine.nics) == 1: |
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548 | nic_fields = [(x, y.replace('NIC 0 ', '')) for x, y in nic_fields] |
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549 | return nic_fields |
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550 | |
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551 | def getDiskInfo(data_dict, machine): |
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552 | """Helper function for info, get data on disks for a machine. |
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553 | |
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554 | Modifies data_dict to include the relevant data, and returns a list |
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555 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
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556 | """ |
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557 | data_dict['num_disks'] = len(machine.disks) |
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558 | disk_fields_template = [('%s_size', '%s size')] |
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559 | disk_fields = [] |
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560 | for disk in machine.disks: |
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561 | name = disk.guest_device_name |
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562 | disk_fields.extend([(x % name, y % name) for x, y in |
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563 | disk_fields_template]) |
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564 | data_dict['%s_size' % name] = "%0.1f GiB" % (disk.size / 1024.) |
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565 | return disk_fields |
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566 | |
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567 | def modifyDict(username, state, machine_id, fields): |
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568 | """Modify a machine as specified by CGI arguments. |
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569 | |
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570 | Return a dict containing the machine that was modified. |
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571 | """ |
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572 | olddisk = {} |
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573 | session.begin() |
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574 | try: |
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575 | kws = dict([(kw, fields[kw]) for kw in |
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576 | 'owner admin contact name description memory vmtype disksize'.split() |
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577 | if fields[kw]]) |
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578 | kws['machine_id'] = machine_id |
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579 | validate = validation.Validate(username, state, **kws) |
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580 | machine = validate.machine |
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581 | oldname = machine.name |
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582 | |
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583 | if hasattr(validate, 'memory'): |
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584 | machine.memory = validate.memory |
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585 | |
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586 | if hasattr(validate, 'vmtype'): |
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587 | machine.type = validate.vmtype |
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588 | |
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589 | if hasattr(validate, 'disksize'): |
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590 | disksize = validate.disksize |
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591 | disk = machine.disks[0] |
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592 | if disk.size != disksize: |
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593 | olddisk[disk.guest_device_name] = disksize |
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594 | disk.size = disksize |
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595 | session.save_or_update(disk) |
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596 | |
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597 | update_acl = False |
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598 | if hasattr(validate, 'owner') and validate.owner != machine.owner: |
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599 | machine.owner = validate.owner |
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600 | update_acl = True |
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601 | if hasattr(validate, 'name'): |
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602 | machine.name = validate.name |
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603 | for n in machine.nics: |
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604 | if n.hostname == oldname: |
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605 | n.hostname = validate.name |
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606 | if hasattr(validate, 'description'): |
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607 | machine.description = validate.description |
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608 | if hasattr(validate, 'admin') and validate.admin != machine.administrator: |
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609 | machine.administrator = validate.admin |
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610 | update_acl = True |
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611 | if hasattr(validate, 'contact'): |
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612 | machine.contact = validate.contact |
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613 | |
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614 | session.save_or_update(machine) |
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615 | if update_acl: |
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616 | cache_acls.refreshMachine(machine) |
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617 | session.commit() |
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618 | except: |
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619 | session.rollback() |
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620 | raise |
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621 | for diskname in olddisk: |
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622 | controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) |
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623 | if hasattr(validate, 'name'): |
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624 | controls.renameMachine(machine, oldname, validate.name) |
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625 | return dict(machine=machine) |
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626 | |
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627 | def infoDict(username, state, machine): |
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628 | """Get the variables used by info.tmpl.""" |
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629 | status = controls.statusInfo(machine) |
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630 | has_vnc = hasVnc(status) |
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631 | if status is None: |
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632 | main_status = dict(name=machine.name, |
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633 | memory=str(machine.memory)) |
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634 | uptime = None |
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635 | cputime = None |
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636 | else: |
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637 | main_status = dict(status[1:]) |
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638 | main_status['host'] = controls.listHost(machine) |
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639 | start_time = float(main_status.get('start_time', 0)) |
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640 | uptime = datetime.timedelta(seconds=int(time.time()-start_time)) |
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641 | cpu_time_float = float(main_status.get('cpu_time', 0)) |
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642 | cputime = datetime.timedelta(seconds=int(cpu_time_float)) |
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643 | display_fields = [('name', 'Name'), |
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644 | ('description', 'Description'), |
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645 | ('owner', 'Owner'), |
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646 | ('administrator', 'Administrator'), |
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647 | ('contact', 'Contact'), |
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648 | ('type', 'Type'), |
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649 | 'NIC_INFO', |
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650 | ('uptime', 'uptime'), |
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651 | ('cputime', 'CPU usage'), |
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652 | ('host', 'Hosted on'), |
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653 | ('memory', 'RAM'), |
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654 | 'DISK_INFO', |
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655 | ('state', 'state (xen format)'), |
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656 | ] |
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657 | fields = [] |
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658 | machine_info = {} |
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659 | machine_info['name'] = machine.name |
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660 | machine_info['description'] = machine.description |
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661 | machine_info['type'] = machine.type.hvm and 'HVM' or 'ParaVM' |
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662 | machine_info['owner'] = machine.owner |
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663 | machine_info['administrator'] = machine.administrator |
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664 | machine_info['contact'] = machine.contact |
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665 | |
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666 | nic_fields = getNicInfo(machine_info, machine) |
---|
667 | nic_point = display_fields.index('NIC_INFO') |
---|
668 | display_fields = (display_fields[:nic_point] + nic_fields + |
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669 | display_fields[nic_point+1:]) |
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670 | |
---|
671 | disk_fields = getDiskInfo(machine_info, machine) |
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672 | disk_point = display_fields.index('DISK_INFO') |
---|
673 | display_fields = (display_fields[:disk_point] + disk_fields + |
---|
674 | display_fields[disk_point+1:]) |
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675 | |
---|
676 | main_status['memory'] += ' MiB' |
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677 | for field, disp in display_fields: |
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678 | if field in ('uptime', 'cputime') and locals()[field] is not None: |
---|
679 | fields.append((disp, locals()[field])) |
---|
680 | elif field in machine_info: |
---|
681 | fields.append((disp, machine_info[field])) |
---|
682 | elif field in main_status: |
---|
683 | fields.append((disp, main_status[field])) |
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684 | else: |
---|
685 | pass |
---|
686 | #fields.append((disp, None)) |
---|
687 | |
---|
688 | max_mem = validation.maxMemory(machine.owner, state, machine, False) |
---|
689 | max_disk = validation.maxDisk(machine.owner, machine) |
---|
690 | defaults = Defaults() |
---|
691 | for name in 'machine_id name description administrator owner memory contact'.split(): |
---|
692 | if getattr(machine, name): |
---|
693 | setattr(defaults, name, getattr(machine, name)) |
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694 | defaults.type = machine.type.type_id |
---|
695 | defaults.disk = "%0.2f" % (machine.disks[0].size/1024.) |
---|
696 | d = dict(user=username, |
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697 | on=status is not None, |
---|
698 | machine=machine, |
---|
699 | defaults=defaults, |
---|
700 | has_vnc=has_vnc, |
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701 | uptime=str(uptime), |
---|
702 | ram=machine.memory, |
---|
703 | max_mem=max_mem, |
---|
704 | max_disk=max_disk, |
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705 | fields = fields) |
---|
706 | return d |
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707 | |
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708 | def send_error_mail(subject, body): |
---|
709 | import subprocess |
---|
710 | |
---|
711 | to = config.web.errormail |
---|
712 | mail = """To: %s |
---|
713 | From: root@%s |
---|
714 | Subject: %s |
---|
715 | |
---|
716 | %s |
---|
717 | """ % (to, config.web.hostname, subject, body) |
---|
718 | p = subprocess.Popen(['/usr/sbin/sendmail', '-f', to, to], |
---|
719 | stdin=subprocess.PIPE) |
---|
720 | p.stdin.write(mail) |
---|
721 | p.stdin.close() |
---|
722 | p.wait() |
---|
723 | |
---|
724 | random.seed() #sigh |
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