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