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#============================================================================
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#============================================================================
# Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com>
# Copyright (C) 2005 Xensource Ltd
#============================================================================
from xen.web import http
from xen.xend import sxp
from xen.xend import XendDomain
from xen.xend.Args import FormFn
from xen.web.SrvDir import SrvDir
class SrvDomain(SrvDir):
"""Service managing a single domain.
"""
def __init__(self, dom):
SrvDir.__init__(self)
self.dom = dom
self.xd = XendDomain.instance()
def op_configure(self, _, req):
"""Configure an existing domain.
Configure is unusual in that it requires a domain id,
not a domain name.
"""
fn = FormFn(self.xd.domain_configure,
[['dom', 'int'],
['config', 'sxpr']])
return fn(req.args, {'dom': self.dom.domid})
def op_unpause(self, _1, _2):
val = self.xd.domain_unpause(self.dom.domid)
return val
def op_pause(self, _1, _2):
val = self.xd.domain_pause(self.dom.domid)
return val
def acceptCommand(self, req):
req.setResponseCode(http.ACCEPTED)
req.setHeader("Location", "%s/.." % req.prePathURL())
def op_rename(self, _, req):
self.acceptCommand(req)
return self.dom.setName(req.args['name'][0])
def op_shutdown(self, _, req):
self.acceptCommand(req)
return self.dom.shutdown(req.args['reason'][0])
def op_sysrq(self, _, req):
self.acceptCommand(req)
return self.dom.send_sysrq(int(req.args['key'][0]))
def op_wait_for_devices(self, _, req):
self.acceptCommand(req)
return self.dom.waitForDevices()
def op_destroy(self, _, req):
self.acceptCommand(req)
return self.xd.domain_destroy(self.dom.domid)
def op_save(self, op, req):
self.acceptCommand(req)
return req.threadRequest(self.do_save, op, req)
def do_save(self, _, req):
return self.xd.domain_save(self.dom.domid, req.args['file'][0])
def op_migrate(self, op, req):
return req.threadRequest(self.do_migrate, op, req)
def do_migrate(self, _, req):
fn = FormFn(self.xd.domain_migrate,
[['dom', 'int'],
['destination', 'str'],
['live', 'int'],
['resource', 'int'],
['port', 'int']])
return fn(req.args, {'dom': self.dom.domid})
def op_pincpu(self, _, req):
fn = FormFn(self.xd.domain_pincpu,
[['dom', 'int'],
['vcpu', 'str'],
['cpumap', 'str']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_cpu_sedf_get(self, _, req):
fn = FormFn(self.xd.domain_cpu_sedf_get,
[['dom', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_cpu_sedf_set(self, _, req):
fn = FormFn(self.xd.domain_cpu_sedf_set,
[['dom', 'int'],
['period', 'int'],
['slice', 'int'],
['latency', 'int'],
['extratime', 'int'],
['weight', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_domain_sched_credit_get(self, _, req):
fn = FormFn(self.xd.domain_sched_credit_get,
[['dom', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_domain_sched_credit_set(self, _, req):
fn = FormFn(self.xd.domain_sched_credit_set,
[['dom', 'int'],
['weight', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_maxmem_set(self, _, req):
fn = FormFn(self.xd.domain_maxmem_set,
[['dom', 'int'],
['memory', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def call(self, fn, args, req):
return FormFn(fn, args)(req.args)
def op_mem_target_set(self, _, req):
return self.call(self.dom.setMemoryTarget,
[['target', 'int']],
req)
def op_devices(self, _, req):
return self.call(self.dom.getDeviceSxprs,
[['type', 'str']],
req)
def op_device_create(self, _, req):
return self.call(self.dom.device_create,
[['config', 'sxpr']],
req)
def op_device_destroy(self, _, req):
return self.call(self.dom.destroyDevice,
[['type', 'str'],
['dev', 'str']],
req)
def op_device_configure(self, _, req):
return self.call(self.dom.device_configure,
[['config', 'sxpr'],
['dev', 'str']],
req)
def op_vif_limit_set(self, _, req):
fn = FormFn(self.xd.domain_vif_limit_set,
[['dom', 'int'],
['vif', 'int'],
['credit', 'int'],
['period', 'int']])
val = fn(req.args, {'dom': self.dom.domid})
return val
def op_set_vcpus(self, _, req):
return self.call(self.dom.setVCpuCount,
[['vcpus', 'int']],
req)
def op_vcpuinfo(self, _1, req):
return self.call(self.dom.getVCPUInfo, [], req)
def render_POST(self, req):
return self.perform(req)
def render_GET(self, req):
op = req.args.get('op')
if op and op[0] in ['vcpuinfo']:
return self.perform(req)
#
# XXX SMH: below may be useful once again if we ever try to get
# the raw 'web' interface to xend working once more. But for now
# is useless and out of date (i.e. no ops called 'v???' anymore).
#
# if op and op[0] in ['vifs', 'vif', 'vbds', 'vbd', 'mem_target_set']:
# return self.perform(req)
if self.use_sxp(req):
req.setHeader("Content-Type", sxp.mime_type)
sxp.show(self.dom.sxpr(), out=req)
else:
req.write('<html><head></head><body>')
self.print_path(req)
#self.ls()
req.write('<p>%s</p>' % self.dom)
self.form(req)
req.write('</body></html>')
return ''
def form(self, req):
url = req.prePathURL()
req.write('<form method="post" action="%s">' % url)
req.write('<input type="submit" name="op" value="unpause">')
req.write('<input type="submit" name="op" value="pause">')
req.write('</form>')
req.write('<form method="post" action="%s">' % url)
req.write('<input type="submit" name="op" value="destroy">')
req.write('</form>')
req.write('<form method="post" action="%s">' % url)
req.write('<input type="submit" name="op" value="shutdown">')
req.write('<input type="radio" name="reason" value="poweroff" checked>Poweroff')
req.write('<input type="radio" name="reason" value="halt">Halt')
req.write('<input type="radio" name="reason" value="reboot">Reboot')
req.write('</form>')
req.write('<form method="post" action="%s">' % url)
req.write('<br><input type="submit" name="op" value="save">')
req.write(' To file: <input type="text" name="file">')
req.write('</form>')
req.write('<form method="post" action="%s">' % url)
req.write('<br><input type="submit" name="op" value="migrate">')
req.write(' To host: <input type="text" name="destination">')
req.write('<input type="checkbox" name="live" value="1">Live')
req.write('</form>')
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