[113] | 1 | #!/usr/bin/python |
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[205] | 2 | """Main CGI script for web interface""" |
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[113] | 3 | |
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[2449] | 4 | from __future__ import with_statement |
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| 5 | |
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[205] | 6 | import base64 |
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| 7 | import cPickle |
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[113] | 8 | import cgi |
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[205] | 9 | import datetime |
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| 10 | import hmac |
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[770] | 11 | import random |
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[205] | 12 | import sha |
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| 13 | import sys |
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[2449] | 14 | import threading |
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[118] | 15 | import time |
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[447] | 16 | import urllib |
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[2186] | 17 | import socket |
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[2389] | 18 | import cherrypy |
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[2485] | 19 | from cherrypy import _cperror |
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[205] | 20 | from StringIO import StringIO |
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[2449] | 21 | |
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[205] | 22 | def printError(): |
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| 23 | """Revert stderr to stdout, and print the contents of stderr""" |
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| 24 | if isinstance(sys.stderr, StringIO): |
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| 25 | print revertStandardError() |
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| 26 | |
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| 27 | if __name__ == '__main__': |
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| 28 | import atexit |
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| 29 | atexit.register(printError) |
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| 30 | |
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[209] | 31 | import validation |
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[446] | 32 | import cache_acls |
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[1612] | 33 | from webcommon import State |
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[209] | 34 | import controls |
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[632] | 35 | from getafsgroups import getAfsGroupMembers |
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[865] | 36 | from invirt import database |
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[1001] | 37 | from invirt.database import Machine, CDROM, session, connect, MachineAccess, Type, Autoinstall |
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[863] | 38 | from invirt.config import structs as config |
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[1612] | 39 | from invirt.common import InvalidInput, CodeError |
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[2481] | 40 | import invirt.remctl |
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[113] | 41 | |
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[2485] | 42 | from view import View, revertStandardError |
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[2432] | 43 | import ajaxterm |
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[2390] | 44 | |
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[2484] | 45 | class InvirtUnauthWeb(View): |
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| 46 | @cherrypy.expose |
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| 47 | @cherrypy.tools.mako(filename="/unauth.mako") |
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| 48 | def index(self): |
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| 49 | return {'simple': True} |
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| 50 | |
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[2390] | 51 | class InvirtWeb(View): |
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| 52 | def __init__(self): |
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| 53 | super(self.__class__,self).__init__() |
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| 54 | connect() |
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[2391] | 55 | self._cp_config['tools.require_login.on'] = True |
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[2485] | 56 | self._cp_config['tools.catch_stderr.on'] = True |
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[2403] | 57 | self._cp_config['tools.mako.imports'] = ['from invirt.config import structs as config', |
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| 58 | 'from invirt import database'] |
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[2485] | 59 | self._cp_config['request.error_response'] = self.handle_error |
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[2390] | 60 | |
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[2485] | 61 | @cherrypy.expose |
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| 62 | @cherrypy.tools.mako(filename="/invalid.mako") |
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| 63 | def invalidInput(self): |
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| 64 | """Print an error page when an InvalidInput exception occurs""" |
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| 65 | err = cherrypy.request.prev.params["err"] |
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| 66 | emsg = cherrypy.request.prev.params["emsg"] |
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| 67 | d = dict(err_field=err.err_field, |
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| 68 | err_value=str(err.err_value), stderr=emsg, |
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| 69 | errorMessage=str(err)) |
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| 70 | return d |
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| 71 | |
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| 72 | @cherrypy.expose |
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| 73 | @cherrypy.tools.mako(filename="/error.mako") |
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| 74 | def error(self): |
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| 75 | """Print an error page when an exception occurs""" |
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| 76 | op = cherrypy.request.prev.path_info |
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| 77 | username = cherrypy.request.login |
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| 78 | err = cherrypy.request.prev.params["err"] |
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| 79 | emsg = cherrypy.request.prev.params["emsg"] |
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| 80 | traceback = cherrypy.request.prev.params["traceback"] |
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[2523] | 81 | d = dict(op=op, user=username, fields=cherrypy.request.prev.params, |
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[2485] | 82 | errorMessage=str(err), stderr=emsg, traceback=traceback) |
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[2486] | 83 | error_raw = cherrypy.request.lookup.get_template("/error_raw.mako") |
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[2485] | 84 | details = error_raw.render(**d) |
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| 85 | exclude = config.web.errormail_exclude |
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| 86 | if username not in exclude and '*' not in exclude: |
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| 87 | send_error_mail('xvm error on %s for %s: %s' % (op, cherrypy.request.login, err), |
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| 88 | details) |
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| 89 | d['details'] = details |
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| 90 | return d |
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| 91 | |
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[2482] | 92 | def __getattr__(self, name): |
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| 93 | if name in ("admin", "overlord"): |
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| 94 | if not cherrypy.request.login in getAfsGroupMembers(config.adminacl, config.authz[0].cell): |
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| 95 | raise InvalidInput('username', cherrypy.request.login, |
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| 96 | 'Not in admin group %s.' % config.adminacl) |
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| 97 | cherrypy.request.state = State(cherrypy.request.login, isadmin=True) |
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| 98 | return self |
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| 99 | else: |
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| 100 | return super(InvirtWeb, self).__getattr__(name) |
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[2403] | 101 | |
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[2485] | 102 | def handle_error(self): |
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| 103 | err = sys.exc_info()[1] |
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| 104 | if isinstance(err, InvalidInput): |
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| 105 | cherrypy.request.params['err'] = err |
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[2524] | 106 | cherrypy.request.params['emsg'] = revertStandardError() |
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[2485] | 107 | raise cherrypy.InternalRedirect('/invalidInput') |
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| 108 | if not cherrypy.request.prev or 'err' not in cherrypy.request.prev.params: |
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| 109 | cherrypy.request.params['err'] = err |
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[2524] | 110 | cherrypy.request.params['emsg'] = revertStandardError() |
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[2485] | 111 | cherrypy.request.params['traceback'] = _cperror.format_exc() |
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| 112 | raise cherrypy.InternalRedirect('/error') |
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| 113 | # fall back to cherrypy default error page |
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| 114 | cherrypy.HTTPError(500).set_response() |
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| 115 | |
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[2390] | 116 | @cherrypy.expose |
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[2391] | 117 | @cherrypy.tools.mako(filename="/list.mako") |
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[2418] | 118 | def list(self, result=None): |
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[2391] | 119 | """Handler for list requests.""" |
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| 120 | checkpoint.checkpoint('Getting list dict') |
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[2396] | 121 | d = getListDict(cherrypy.request.login, cherrypy.request.state) |
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[2418] | 122 | if result is not None: |
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| 123 | d['result'] = result |
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[2391] | 124 | checkpoint.checkpoint('Got list dict') |
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[2395] | 125 | return d |
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[2391] | 126 | index=list |
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| 127 | |
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| 128 | @cherrypy.expose |
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[2409] | 129 | @cherrypy.tools.mako(filename="/help.mako") |
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| 130 | def help(self, subject=None, simple=False): |
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| 131 | """Handler for help messages.""" |
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| 132 | |
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| 133 | help_mapping = { |
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| 134 | 'Autoinstalls': """ |
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| 135 | The autoinstaller builds a minimal Debian or Ubuntu system to run as a |
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| 136 | ParaVM. You can access the resulting system by logging into the <a |
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| 137 | href="help?simple=true&subject=ParaVM+Console">serial console server</a> |
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| 138 | with your Kerberos tickets; there is no root password so sshd will |
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| 139 | refuse login.</p> |
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| 140 | |
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| 141 | <p>Under the covers, the autoinstaller uses our own patched version of |
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| 142 | xen-create-image, which is a tool based on debootstrap. If you log |
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| 143 | into the serial console while the install is running, you can watch |
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| 144 | it. |
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| 145 | """, |
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| 146 | 'ParaVM Console': """ |
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| 147 | ParaVM machines do not support local console access over VNC. To |
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| 148 | access the serial console of these machines, you can SSH with Kerberos |
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| 149 | to %s, using the name of the machine as your |
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| 150 | username.""" % config.console.hostname, |
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| 151 | 'HVM/ParaVM': """ |
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| 152 | HVM machines use the virtualization features of the processor, while |
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| 153 | ParaVM machines rely on a modified kernel to communicate directly with |
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| 154 | the hypervisor. HVMs support boot CDs of any operating system, and |
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| 155 | the VNC console applet. The three-minute autoinstaller produces |
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| 156 | ParaVMs. ParaVMs typically are more efficient, and always support the |
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| 157 | <a href="help?subject=ParaVM+Console">console server</a>.</p> |
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| 158 | |
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| 159 | <p>More details are <a |
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| 160 | href="https://xvm.scripts.mit.edu/wiki/Paravirtualization">on the |
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| 161 | wiki</a>, including steps to prepare an HVM guest to boot as a ParaVM |
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| 162 | (which you can skip by using the autoinstaller to begin with.)</p> |
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| 163 | |
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| 164 | <p>We recommend using a ParaVM when possible and an HVM when necessary. |
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| 165 | """, |
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| 166 | 'CPU Weight': """ |
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| 167 | Don't ask us! We're as mystified as you are.""", |
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| 168 | 'Owner': """ |
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| 169 | The owner field is used to determine <a |
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| 170 | href="help?subject=Quotas">quotas</a>. It must be the name of a |
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| 171 | locker that you are an AFS administrator of. In particular, you or an |
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| 172 | AFS group you are a member of must have AFS rlidwka bits on the |
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| 173 | locker. You can check who administers the LOCKER locker using the |
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| 174 | commands 'attach LOCKER; fs la /mit/LOCKER' on Athena.) See also <a |
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| 175 | href="help?subject=Administrator">administrator</a>.""", |
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| 176 | 'Administrator': """ |
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| 177 | The administrator field determines who can access the console and |
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| 178 | power on and off the machine. This can be either a user or a moira |
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| 179 | group.""", |
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| 180 | 'Quotas': """ |
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| 181 | Quotas are determined on a per-locker basis. Each locker may have a |
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| 182 | maximum of 512 mebibytes of active ram, 50 gibibytes of disk, and 4 |
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| 183 | active machines.""", |
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| 184 | 'Console': """ |
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| 185 | <strong>Framebuffer:</strong> At a Linux boot prompt in your VM, try |
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| 186 | setting <tt>fb=false</tt> to disable the framebuffer. If you don't, |
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| 187 | your machine will run just fine, but the applet's display of the |
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| 188 | console will suffer artifacts. |
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| 189 | """, |
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| 190 | 'Windows': """ |
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| 191 | <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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[2423] | 192 | <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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[2409] | 193 | """ |
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| 194 | } |
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| 195 | |
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| 196 | if not subject: |
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| 197 | subject = sorted(help_mapping.keys()) |
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| 198 | if not isinstance(subject, list): |
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| 199 | subject = [subject] |
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| 200 | |
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[2410] | 201 | return dict(simple=simple, |
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[2409] | 202 | subjects=subject, |
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| 203 | mapping=help_mapping) |
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| 204 | help._cp_config['tools.require_login.on'] = False |
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| 205 | |
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[2422] | 206 | def parseCreate(self, fields): |
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[2424] | 207 | kws = dict([(kw, fields.get(kw)) for kw in 'name description owner memory disksize vmtype cdrom autoinstall'.split() if fields.get(kw)]) |
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[2422] | 208 | validate = validation.Validate(cherrypy.request.login, cherrypy.request.state, strict=True, **kws) |
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| 209 | return dict(contact=cherrypy.request.login, name=validate.name, description=validate.description, memory=validate.memory, |
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| 210 | disksize=validate.disksize, owner=validate.owner, machine_type=getattr(validate, 'vmtype', Defaults.type), |
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| 211 | cdrom=getattr(validate, 'cdrom', None), |
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| 212 | autoinstall=getattr(validate, 'autoinstall', None)) |
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| 213 | |
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[2409] | 214 | @cherrypy.expose |
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[2422] | 215 | @cherrypy.tools.mako(filename="/list.mako") |
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| 216 | @cherrypy.tools.require_POST() |
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| 217 | def create(self, **fields): |
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| 218 | """Handler for create requests.""" |
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| 219 | try: |
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| 220 | parsed_fields = self.parseCreate(fields) |
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| 221 | machine = controls.createVm(cherrypy.request.login, cherrypy.request.state, **parsed_fields) |
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| 222 | except InvalidInput, err: |
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| 223 | pass |
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| 224 | else: |
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| 225 | err = None |
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| 226 | cherrypy.request.state.clear() #Changed global state |
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| 227 | d = getListDict(cherrypy.request.login, cherrypy.request.state) |
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| 228 | d['err'] = err |
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| 229 | if err: |
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| 230 | for field in fields.keys(): |
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| 231 | setattr(d['defaults'], field, fields.get(field)) |
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| 232 | else: |
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| 233 | d['new_machine'] = parsed_fields['name'] |
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| 234 | return d |
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| 235 | |
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| 236 | @cherrypy.expose |
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[2391] | 237 | @cherrypy.tools.mako(filename="/helloworld.mako") |
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[2408] | 238 | def helloworld(self, **kwargs): |
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| 239 | return {'request': cherrypy.request, 'kwargs': kwargs} |
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[2391] | 240 | helloworld._cp_config['tools.require_login.on'] = False |
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[2390] | 241 | |
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[2428] | 242 | @cherrypy.expose |
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| 243 | def errortest(self): |
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| 244 | """Throw an error, to test the error-tracing mechanisms.""" |
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[2485] | 245 | print >>sys.stderr, "look ma, it's a stderr" |
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[2428] | 246 | raise RuntimeError("test of the emergency broadcast system") |
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| 247 | |
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[2413] | 248 | class MachineView(View): |
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| 249 | # This is hairy. Fix when CherryPy 3.2 is out. (rename to |
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| 250 | # _cp_dispatch, and parse the argument as a list instead of |
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| 251 | # string |
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| 252 | |
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| 253 | def __getattr__(self, name): |
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| 254 | try: |
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| 255 | machine_id = int(name) |
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| 256 | cherrypy.request.params['machine_id'] = machine_id |
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| 257 | return self |
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| 258 | except ValueError: |
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| 259 | return None |
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| 260 | |
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| 261 | @cherrypy.expose |
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| 262 | @cherrypy.tools.mako(filename="/info.mako") |
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| 263 | def info(self, machine_id): |
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| 264 | """Handler for info on a single VM.""" |
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| 265 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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| 266 | d = infoDict(cherrypy.request.login, cherrypy.request.state, machine) |
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| 267 | checkpoint.checkpoint('Got infodict') |
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| 268 | return d |
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| 269 | index = info |
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| 270 | |
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[2414] | 271 | @cherrypy.expose |
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[2483] | 272 | @cherrypy.tools.mako(filename="/info.mako") |
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| 273 | @cherrypy.tools.require_POST() |
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| 274 | def modify(self, machine_id, **fields): |
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| 275 | """Handler for modifying attributes of a machine.""" |
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| 276 | try: |
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| 277 | modify_dict = modifyDict(cherrypy.request.login, cherrypy.request.state, machine_id, fields) |
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| 278 | except InvalidInput, err: |
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| 279 | result = None |
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| 280 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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| 281 | else: |
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| 282 | machine = modify_dict['machine'] |
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| 283 | result = 'Success!' |
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| 284 | err = None |
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| 285 | info_dict = infoDict(cherrypy.request.login, cherrypy.request.state, machine) |
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| 286 | info_dict['err'] = err |
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| 287 | if err: |
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| 288 | for field in fields.keys(): |
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| 289 | setattr(info_dict['defaults'], field, fields.get(field)) |
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| 290 | info_dict['result'] = result |
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| 291 | return info_dict |
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| 292 | |
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| 293 | @cherrypy.expose |
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[2414] | 294 | @cherrypy.tools.mako(filename="/vnc.mako") |
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| 295 | def vnc(self, machine_id): |
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| 296 | """VNC applet page. |
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| 297 | |
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| 298 | Note that due to same-domain restrictions, the applet connects to |
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| 299 | the webserver, which needs to forward those requests to the xen |
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| 300 | server. The Xen server runs another proxy that (1) authenticates |
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| 301 | and (2) finds the correct port for the VM. |
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| 302 | |
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| 303 | You might want iptables like: |
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| 304 | |
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| 305 | -t nat -A PREROUTING -s ! 18.181.0.60 -i eth1 -p tcp -m tcp \ |
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| 306 | --dport 10003 -j DNAT --to-destination 18.181.0.60:10003 |
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| 307 | -t nat -A POSTROUTING -d 18.181.0.60 -o eth1 -p tcp -m tcp \ |
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| 308 | --dport 10003 -j SNAT --to-source 18.187.7.142 |
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| 309 | -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \ |
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| 310 | --dport 10003 -j ACCEPT |
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| 311 | |
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| 312 | Remember to enable iptables! |
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| 313 | echo 1 > /proc/sys/net/ipv4/ip_forward |
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| 314 | """ |
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| 315 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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| 316 | |
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| 317 | token = controls.vnctoken(machine) |
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| 318 | host = controls.listHost(machine) |
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| 319 | if host: |
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| 320 | port = 10003 + [h.hostname for h in config.hosts].index(host) |
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| 321 | else: |
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| 322 | port = 5900 # dummy |
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| 323 | |
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| 324 | status = controls.statusInfo(machine) |
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| 325 | has_vnc = hasVnc(status) |
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| 326 | |
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| 327 | d = dict(on=status, |
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| 328 | has_vnc=has_vnc, |
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| 329 | machine=machine, |
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| 330 | hostname=cherrypy.request.local.name, |
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| 331 | port=port, |
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| 332 | authtoken=token) |
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| 333 | return d |
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[2418] | 334 | @cherrypy.expose |
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| 335 | @cherrypy.tools.mako(filename="/command.mako") |
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[2422] | 336 | @cherrypy.tools.require_POST() |
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[2418] | 337 | def command(self, command_name, machine_id, **kwargs): |
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| 338 | """Handler for running commands like boot and delete on a VM.""" |
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| 339 | back = kwargs.get('back', None) |
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| 340 | try: |
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| 341 | d = controls.commandResult(cherrypy.request.login, cherrypy.request.state, command_name, machine_id, kwargs) |
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| 342 | if d['command'] == 'Delete VM': |
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| 343 | back = 'list' |
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| 344 | except InvalidInput, err: |
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| 345 | if not back: |
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| 346 | raise |
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| 347 | print >> sys.stderr, err |
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[2485] | 348 | result = str(err) |
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[2418] | 349 | else: |
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| 350 | result = 'Success!' |
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| 351 | if not back: |
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| 352 | return d |
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| 353 | if back == 'list': |
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| 354 | cherrypy.request.state.clear() #Changed global state |
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| 355 | raise cherrypy.InternalRedirect('/list?result=%s' % urllib.quote(result)) |
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| 356 | elif back == 'info': |
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| 357 | raise cherrypy.HTTPRedirect(cherrypy.request.base + '/machine/%d/' % machine_id, status=303) |
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| 358 | else: |
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| 359 | raise InvalidInput('back', back, 'Not a known back page.') |
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[2414] | 360 | |
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[2432] | 361 | atmulti = ajaxterm.Multiplex() |
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| 362 | atsessions = {} |
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[2449] | 363 | atsessions_lock = threading.Lock() |
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[2432] | 364 | |
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| 365 | @cherrypy.expose |
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| 366 | @cherrypy.tools.mako(filename="/terminal.mako") |
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| 367 | def terminal(self, machine_id): |
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| 368 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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| 369 | |
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| 370 | status = controls.statusInfo(machine) |
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| 371 | has_vnc = hasVnc(status) |
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| 372 | |
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| 373 | d = dict(on=status, |
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| 374 | has_vnc=has_vnc, |
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| 375 | machine=machine, |
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| 376 | hostname=cherrypy.request.local.name) |
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| 377 | return d |
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| 378 | |
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[2433] | 379 | @cherrypy.expose |
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[2452] | 380 | @cherrypy.tools.require_POST() |
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[2440] | 381 | @cherrypy.tools.gzip() |
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[2454] | 382 | def at(self, machine_id, k=None, c=0, h=None): |
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[2433] | 383 | machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine |
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[2449] | 384 | with self.atsessions_lock: |
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| 385 | if machine_id in self.atsessions: |
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| 386 | term = self.atsessions[machine_id] |
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| 387 | else: |
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| 388 | print >>sys.stderr, "spawning new session for terminal to ",machine_id |
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[2481] | 389 | invirt.remctl.checkKinit(principal='daemon/'+config.web.hostname) |
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[2450] | 390 | term = self.atmulti.create( |
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[2449] | 391 | ["ssh", "-e","none", "-l", machine.name, config.console.hostname] |
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| 392 | ) |
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[2450] | 393 | # Clear out old sessions when fd is reused |
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| 394 | for key in self.atsessions: |
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| 395 | if self.atsessions[key] == term: |
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| 396 | del self.atsessions[key] |
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| 397 | self.atsessions[machine_id] = term |
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[2449] | 398 | if k: |
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| 399 | self.atmulti.proc_write(term,k) |
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| 400 | time.sleep(0.002) |
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[2454] | 401 | dump=self.atmulti.dump(term,c,h) |
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[2449] | 402 | cherrypy.response.headers['Content-Type']='text/xml' |
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| 403 | if isinstance(dump,str): |
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| 404 | return dump |
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| 405 | else: |
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[2481] | 406 | print "Removing session for", machine_id,"because we received",repr(dump) |
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[2449] | 407 | del self.atsessions[machine_id] |
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| 408 | return '<?xml version="1.0"?><idem></idem>' |
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[2433] | 409 | |
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[2413] | 410 | machine = MachineView() |
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| 411 | |
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[235] | 412 | class Checkpoint: |
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| 413 | def __init__(self): |
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| 414 | self.start_time = time.time() |
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| 415 | self.checkpoints = [] |
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| 416 | |
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| 417 | def checkpoint(self, s): |
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| 418 | self.checkpoints.append((s, time.time())) |
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| 419 | |
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| 420 | def __str__(self): |
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| 421 | return ('Timing info:\n%s\n' % |
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| 422 | '\n'.join(['%s: %s' % (d, t - self.start_time) for |
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| 423 | (d, t) in self.checkpoints])) |
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| 424 | |
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| 425 | checkpoint = Checkpoint() |
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| 426 | |
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[205] | 427 | class Defaults: |
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| 428 | """Class to store default values for fields.""" |
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| 429 | memory = 256 |
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| 430 | disk = 4.0 |
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| 431 | cdrom = '' |
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[443] | 432 | autoinstall = '' |
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[205] | 433 | name = '' |
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[609] | 434 | description = '' |
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[2483] | 435 | administrator = '' |
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[515] | 436 | type = 'linux-hvm' |
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| 437 | |
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[205] | 438 | def __init__(self, max_memory=None, max_disk=None, **kws): |
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| 439 | if max_memory is not None: |
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| 440 | self.memory = min(self.memory, max_memory) |
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| 441 | if max_disk is not None: |
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[1964] | 442 | self.disk = min(self.disk, max_disk) |
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[205] | 443 | for key in kws: |
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| 444 | setattr(self, key, kws[key]) |
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| 445 | |
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[119] | 446 | def hasVnc(status): |
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[133] | 447 | """Does the machine with a given status list support VNC?""" |
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[119] | 448 | if status is None: |
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| 449 | return False |
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| 450 | for l in status: |
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| 451 | if l[0] == 'device' and l[1][0] == 'vfb': |
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| 452 | d = dict(l[1][1:]) |
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| 453 | return 'location' in d |
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| 454 | return False |
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| 455 | |
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[134] | 456 | |
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[572] | 457 | def getListDict(username, state): |
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[438] | 458 | """Gets the list of local variables used by list.tmpl.""" |
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[535] | 459 | checkpoint.checkpoint('Starting') |
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[572] | 460 | machines = state.machines |
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[235] | 461 | checkpoint.checkpoint('Got my machines') |
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[133] | 462 | on = {} |
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[119] | 463 | has_vnc = {} |
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[2424] | 464 | installing = {} |
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[572] | 465 | xmlist = state.xmlist |
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[235] | 466 | checkpoint.checkpoint('Got uptimes') |
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[136] | 467 | for m in machines: |
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[535] | 468 | if m not in xmlist: |
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[144] | 469 | has_vnc[m] = 'Off' |
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[535] | 470 | m.uptime = None |
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[136] | 471 | else: |
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[535] | 472 | m.uptime = xmlist[m]['uptime'] |
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| 473 | if xmlist[m]['console']: |
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| 474 | has_vnc[m] = True |
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| 475 | elif m.type.hvm: |
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| 476 | has_vnc[m] = "WTF?" |
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| 477 | else: |
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[2412] | 478 | has_vnc[m] = "ParaVM" |
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[2424] | 479 | if xmlist[m].get('autoinstall'): |
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| 480 | installing[m] = True |
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| 481 | else: |
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| 482 | installing[m] = False |
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[572] | 483 | max_memory = validation.maxMemory(username, state) |
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| 484 | max_disk = validation.maxDisk(username) |
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[235] | 485 | checkpoint.checkpoint('Got max mem/disk') |
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[205] | 486 | defaults = Defaults(max_memory=max_memory, |
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| 487 | max_disk=max_disk, |
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[1739] | 488 | owner=username) |
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[235] | 489 | checkpoint.checkpoint('Got defaults') |
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[424] | 490 | def sortkey(machine): |
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[572] | 491 | return (machine.owner != username, machine.owner, machine.name) |
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[424] | 492 | machines = sorted(machines, key=sortkey) |
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[572] | 493 | d = dict(user=username, |
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| 494 | cant_add_vm=validation.cantAddVm(username, state), |
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[205] | 495 | max_memory=max_memory, |
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[144] | 496 | max_disk=max_disk, |
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[205] | 497 | defaults=defaults, |
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[113] | 498 | machines=machines, |
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[540] | 499 | has_vnc=has_vnc, |
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[2424] | 500 | installing=installing) |
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[205] | 501 | return d |
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[113] | 502 | |
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[252] | 503 | def getHostname(nic): |
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[438] | 504 | """Find the hostname associated with a NIC. |
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| 505 | |
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| 506 | XXX this should be merged with the similar logic in DNS and DHCP. |
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| 507 | """ |
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[1976] | 508 | if nic.hostname: |
---|
| 509 | hostname = nic.hostname |
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[252] | 510 | elif nic.machine: |
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[1976] | 511 | hostname = nic.machine.name |
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[252] | 512 | else: |
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| 513 | return None |
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[1976] | 514 | if '.' in hostname: |
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| 515 | return hostname |
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| 516 | else: |
---|
| 517 | return hostname + '.' + config.dns.domains[0] |
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[252] | 518 | |
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[133] | 519 | def getNicInfo(data_dict, machine): |
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[145] | 520 | """Helper function for info, get data on nics for a machine. |
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| 521 | |
---|
| 522 | Modifies data_dict to include the relevant data, and returns a list |
---|
| 523 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
---|
| 524 | """ |
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[133] | 525 | data_dict['num_nics'] = len(machine.nics) |
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[227] | 526 | nic_fields_template = [('nic%s_hostname', 'NIC %s Hostname'), |
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[133] | 527 | ('nic%s_mac', 'NIC %s MAC Addr'), |
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| 528 | ('nic%s_ip', 'NIC %s IP'), |
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| 529 | ] |
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| 530 | nic_fields = [] |
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| 531 | for i in range(len(machine.nics)): |
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| 532 | nic_fields.extend([(x % i, y % i) for x, y in nic_fields_template]) |
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[1976] | 533 | data_dict['nic%s_hostname' % i] = getHostname(machine.nics[i]) |
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[133] | 534 | data_dict['nic%s_mac' % i] = machine.nics[i].mac_addr |
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| 535 | data_dict['nic%s_ip' % i] = machine.nics[i].ip |
---|
| 536 | if len(machine.nics) == 1: |
---|
| 537 | nic_fields = [(x, y.replace('NIC 0 ', '')) for x, y in nic_fields] |
---|
| 538 | return nic_fields |
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| 539 | |
---|
| 540 | def getDiskInfo(data_dict, machine): |
---|
[145] | 541 | """Helper function for info, get data on disks for a machine. |
---|
| 542 | |
---|
| 543 | Modifies data_dict to include the relevant data, and returns a list |
---|
| 544 | of (key, name) pairs to display "name: data_dict[key]" to the user. |
---|
| 545 | """ |
---|
[133] | 546 | data_dict['num_disks'] = len(machine.disks) |
---|
| 547 | disk_fields_template = [('%s_size', '%s size')] |
---|
| 548 | disk_fields = [] |
---|
| 549 | for disk in machine.disks: |
---|
| 550 | name = disk.guest_device_name |
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[438] | 551 | disk_fields.extend([(x % name, y % name) for x, y in |
---|
[205] | 552 | disk_fields_template]) |
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[211] | 553 | data_dict['%s_size' % name] = "%0.1f GiB" % (disk.size / 1024.) |
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[133] | 554 | return disk_fields |
---|
| 555 | |
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[2483] | 556 | def modifyDict(username, state, machine_id, fields): |
---|
[438] | 557 | """Modify a machine as specified by CGI arguments. |
---|
| 558 | |
---|
[2483] | 559 | Return a dict containing the machine that was modified. |
---|
[438] | 560 | """ |
---|
[177] | 561 | olddisk = {} |
---|
[1013] | 562 | session.begin() |
---|
[161] | 563 | try: |
---|
[2483] | 564 | kws = dict([(kw, fields.get(kw)) for kw in 'owner admin contact name description memory vmtype disksize'.split() if fields.get(kw)]) |
---|
| 565 | kws['machine_id'] = machine_id |
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[572] | 566 | validate = validation.Validate(username, state, **kws) |
---|
| 567 | machine = validate.machine |
---|
[161] | 568 | oldname = machine.name |
---|
[153] | 569 | |
---|
[572] | 570 | if hasattr(validate, 'memory'): |
---|
| 571 | machine.memory = validate.memory |
---|
[438] | 572 | |
---|
[572] | 573 | if hasattr(validate, 'vmtype'): |
---|
| 574 | machine.type = validate.vmtype |
---|
[440] | 575 | |
---|
[572] | 576 | if hasattr(validate, 'disksize'): |
---|
| 577 | disksize = validate.disksize |
---|
[177] | 578 | disk = machine.disks[0] |
---|
| 579 | if disk.size != disksize: |
---|
| 580 | olddisk[disk.guest_device_name] = disksize |
---|
| 581 | disk.size = disksize |
---|
[1013] | 582 | session.save_or_update(disk) |
---|
[438] | 583 | |
---|
[446] | 584 | update_acl = False |
---|
[572] | 585 | if hasattr(validate, 'owner') and validate.owner != machine.owner: |
---|
| 586 | machine.owner = validate.owner |
---|
[446] | 587 | update_acl = True |
---|
[572] | 588 | if hasattr(validate, 'name'): |
---|
[586] | 589 | machine.name = validate.name |
---|
[1977] | 590 | for n in machine.nics: |
---|
| 591 | if n.hostname == oldname: |
---|
| 592 | n.hostname = validate.name |
---|
[609] | 593 | if hasattr(validate, 'description'): |
---|
| 594 | machine.description = validate.description |
---|
[572] | 595 | if hasattr(validate, 'admin') and validate.admin != machine.administrator: |
---|
| 596 | machine.administrator = validate.admin |
---|
[446] | 597 | update_acl = True |
---|
[572] | 598 | if hasattr(validate, 'contact'): |
---|
| 599 | machine.contact = validate.contact |
---|
[438] | 600 | |
---|
[1013] | 601 | session.save_or_update(machine) |
---|
[446] | 602 | if update_acl: |
---|
| 603 | cache_acls.refreshMachine(machine) |
---|
[1013] | 604 | session.commit() |
---|
[161] | 605 | except: |
---|
[1013] | 606 | session.rollback() |
---|
[163] | 607 | raise |
---|
[177] | 608 | for diskname in olddisk: |
---|
[209] | 609 | controls.resizeDisk(oldname, diskname, str(olddisk[diskname])) |
---|
[572] | 610 | if hasattr(validate, 'name'): |
---|
| 611 | controls.renameMachine(machine, oldname, validate.name) |
---|
[2483] | 612 | return dict(machine=machine) |
---|
[438] | 613 | |
---|
[579] | 614 | def infoDict(username, state, machine): |
---|
[438] | 615 | """Get the variables used by info.tmpl.""" |
---|
[209] | 616 | status = controls.statusInfo(machine) |
---|
[235] | 617 | checkpoint.checkpoint('Getting status info') |
---|
[133] | 618 | has_vnc = hasVnc(status) |
---|
| 619 | if status is None: |
---|
| 620 | main_status = dict(name=machine.name, |
---|
| 621 | memory=str(machine.memory)) |
---|
[205] | 622 | uptime = None |
---|
| 623 | cputime = None |
---|
[133] | 624 | else: |
---|
| 625 | main_status = dict(status[1:]) |
---|
[662] | 626 | main_status['host'] = controls.listHost(machine) |
---|
[167] | 627 | start_time = float(main_status.get('start_time', 0)) |
---|
| 628 | uptime = datetime.timedelta(seconds=int(time.time()-start_time)) |
---|
| 629 | cpu_time_float = float(main_status.get('cpu_time', 0)) |
---|
| 630 | cputime = datetime.timedelta(seconds=int(cpu_time_float)) |
---|
[235] | 631 | checkpoint.checkpoint('Status') |
---|
[133] | 632 | display_fields = [('name', 'Name'), |
---|
[609] | 633 | ('description', 'Description'), |
---|
[133] | 634 | ('owner', 'Owner'), |
---|
[187] | 635 | ('administrator', 'Administrator'), |
---|
[133] | 636 | ('contact', 'Contact'), |
---|
[136] | 637 | ('type', 'Type'), |
---|
[133] | 638 | 'NIC_INFO', |
---|
| 639 | ('uptime', 'uptime'), |
---|
| 640 | ('cputime', 'CPU usage'), |
---|
[662] | 641 | ('host', 'Hosted on'), |
---|
[133] | 642 | ('memory', 'RAM'), |
---|
| 643 | 'DISK_INFO', |
---|
| 644 | ('state', 'state (xen format)'), |
---|
| 645 | ] |
---|
| 646 | fields = [] |
---|
| 647 | machine_info = {} |
---|
[147] | 648 | machine_info['name'] = machine.name |
---|
[609] | 649 | machine_info['description'] = machine.description |
---|
[136] | 650 | machine_info['type'] = machine.type.hvm and 'HVM' or 'ParaVM' |
---|
[133] | 651 | machine_info['owner'] = machine.owner |
---|
[187] | 652 | machine_info['administrator'] = machine.administrator |
---|
[133] | 653 | machine_info['contact'] = machine.contact |
---|
| 654 | |
---|
| 655 | nic_fields = getNicInfo(machine_info, machine) |
---|
| 656 | nic_point = display_fields.index('NIC_INFO') |
---|
[438] | 657 | display_fields = (display_fields[:nic_point] + nic_fields + |
---|
[205] | 658 | display_fields[nic_point+1:]) |
---|
[133] | 659 | |
---|
| 660 | disk_fields = getDiskInfo(machine_info, machine) |
---|
| 661 | disk_point = display_fields.index('DISK_INFO') |
---|
[438] | 662 | display_fields = (display_fields[:disk_point] + disk_fields + |
---|
[205] | 663 | display_fields[disk_point+1:]) |
---|
[438] | 664 | |
---|
[211] | 665 | main_status['memory'] += ' MiB' |
---|
[133] | 666 | for field, disp in display_fields: |
---|
[167] | 667 | if field in ('uptime', 'cputime') and locals()[field] is not None: |
---|
[133] | 668 | fields.append((disp, locals()[field])) |
---|
[147] | 669 | elif field in machine_info: |
---|
| 670 | fields.append((disp, machine_info[field])) |
---|
[133] | 671 | elif field in main_status: |
---|
| 672 | fields.append((disp, main_status[field])) |
---|
| 673 | else: |
---|
| 674 | pass |
---|
| 675 | #fields.append((disp, None)) |
---|
[235] | 676 | |
---|
| 677 | checkpoint.checkpoint('Got fields') |
---|
| 678 | |
---|
| 679 | |
---|
[572] | 680 | max_mem = validation.maxMemory(machine.owner, state, machine, False) |
---|
[235] | 681 | checkpoint.checkpoint('Got mem') |
---|
[566] | 682 | max_disk = validation.maxDisk(machine.owner, machine) |
---|
[209] | 683 | defaults = Defaults() |
---|
[609] | 684 | for name in 'machine_id name description administrator owner memory contact'.split(): |
---|
[2483] | 685 | if getattr(machine, name): |
---|
| 686 | setattr(defaults, name, getattr(machine, name)) |
---|
[516] | 687 | defaults.type = machine.type.type_id |
---|
[205] | 688 | defaults.disk = "%0.2f" % (machine.disks[0].size/1024.) |
---|
[235] | 689 | checkpoint.checkpoint('Got defaults') |
---|
[572] | 690 | d = dict(user=username, |
---|
[133] | 691 | on=status is not None, |
---|
| 692 | machine=machine, |
---|
[205] | 693 | defaults=defaults, |
---|
[133] | 694 | has_vnc=has_vnc, |
---|
| 695 | uptime=str(uptime), |
---|
| 696 | ram=machine.memory, |
---|
[144] | 697 | max_mem=max_mem, |
---|
| 698 | max_disk=max_disk, |
---|
[133] | 699 | fields = fields) |
---|
[205] | 700 | return d |
---|
[113] | 701 | |
---|
[598] | 702 | def send_error_mail(subject, body): |
---|
| 703 | import subprocess |
---|
[205] | 704 | |
---|
[863] | 705 | to = config.web.errormail |
---|
[598] | 706 | mail = """To: %s |
---|
[863] | 707 | From: root@%s |
---|
[598] | 708 | Subject: %s |
---|
| 709 | |
---|
| 710 | %s |
---|
[863] | 711 | """ % (to, config.web.hostname, subject, body) |
---|
[1718] | 712 | p = subprocess.Popen(['/usr/sbin/sendmail', '-f', to, to], |
---|
| 713 | stdin=subprocess.PIPE) |
---|
[598] | 714 | p.stdin.write(mail) |
---|
| 715 | p.stdin.close() |
---|
| 716 | p.wait() |
---|
| 717 | |
---|
[2485] | 718 | random.seed() |
---|