+ @cherrypy.expose
+ def errortest(self):
+ """Throw an error, to test the error-tracing mechanisms."""
+ print >>sys.stderr, "look ma, it's a stderr"
+ raise RuntimeError("test of the emergency broadcast system")
+
+ class MachineView(View):
+ def __getattr__(self, name):
+ """Synthesize attributes to allow RESTful URLs like
+ /machine/13/info. This is hairy. CherryPy 3.2 adds a
+ method called _cp_dispatch that allows you to explicitly
+ handle URLs that can't be mapped, and it allows you to
+ rewrite the path components and continue processing.
+
+ This function gets the next path component being resolved
+ as a string. _cp_dispatch will get an array of strings
+ representing any subsequent path components as well."""
+
+ try:
+ cherrypy.request.params['machine_id'] = int(name)
+ return self
+ except ValueError:
+ return None
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/info.mako")
+ def info(self, machine_id):
+ """Handler for info on a single VM."""
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ d = infoDict(cherrypy.request.login, cherrypy.request.state, machine)
+ return d
+ index = list
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/info.mako")
+ @cherrypy.tools.require_POST()
+ def modify(self, machine_id, **fields):
+ """Handler for modifying attributes of a machine."""
+ try:
+ modify_dict = modifyDict(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id, fields)
+ except InvalidInput, err:
+ result = None
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ else:
+ machine = modify_dict['machine']
+ result = 'Success!'
+ err = None
+ info_dict = infoDict(cherrypy.request.login,
+ cherrypy.request.state, machine)
+ info_dict['err'] = err
+ if err:
+ for field, value in fields.items():
+ setattr(info_dict['defaults'], field, value)
+ info_dict['result'] = result
+ return info_dict
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/vnc.mako")
+ def vnc(self, machine_id):
+ """VNC applet page.
+
+ Note that due to same-domain restrictions, the applet connects to
+ the webserver, which needs to forward those requests to the xen
+ server. The Xen server runs another proxy that (1) authenticates
+ and (2) finds the correct port for the VM.
+
+ You might want iptables like:
+
+ -t nat -A PREROUTING -s ! 18.181.0.60 -i eth1 -p tcp -m tcp \
+ --dport 10003 -j DNAT --to-destination 18.181.0.60:10003
+ -t nat -A POSTROUTING -d 18.181.0.60 -o eth1 -p tcp -m tcp \
+ --dport 10003 -j SNAT --to-source 18.187.7.142
+ -A FORWARD -d 18.181.0.60 -i eth1 -o eth1 -p tcp -m tcp \
+ --dport 10003 -j ACCEPT
+
+ Remember to enable iptables!
+ echo 1 > /proc/sys/net/ipv4/ip_forward
+ """
+ machine = validation.Validate(cherrypy.request.login,
+ cherrypy.request.state,
+ machine_id=machine_id).machine
+ token = controls.vnctoken(machine)
+ host = controls.listHost(machine)
+ if host:
+ port = 10003 + [h.hostname for h in config.hosts].index(host)
+ else:
+ port = 5900 # dummy
+
+ status = controls.statusInfo(machine)
+ has_vnc = hasVnc(status)
+
+ d = dict(on=status,
+ has_vnc=has_vnc,
+ machine=machine,
+ hostname=cherrypy.request.local.name,
+ port=port,
+ authtoken=token)
+ return d
+
+ @cherrypy.expose
+ @cherrypy.tools.mako(filename="/command.mako")
+ @cherrypy.tools.require_POST()
+ def command(self, command_name, machine_id, **kwargs):
+ """Handler for running commands like boot and delete on a VM."""
+ back = kwargs.get('back')
+ if command_name == 'delete':
+ back = 'list'
+ try:
+ d = controls.commandResult(cherrypy.request.login,
+ cherrypy.request.state,
+ command_name, machine_id, kwargs)
+ except InvalidInput, err:
+ if not back:
+ raise
+ print >> sys.stderr, err
+ result = str(err)
+ else:
+ result = 'Success!'
+ if not back:
+ return d
+ if back == 'list':
+ cherrypy.request.state.clear() #Changed global state
+ raise cherrypy.InternalRedirect('/list?result=%s'
+ % urllib.quote(result))
+ elif back == 'info':
+ raise cherrypy.HTTPRedirect(cherrypy.request.base
+ + '/machine/%d/' % machine_id,
+ status=303)
+ else:
+ raise InvalidInput('back', back, 'Not a known back page.')
projects / invirt/packages/invirt-web.git / blobdiff