def instance(request, host_id, vname):
"""
Instance block
"""
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse('login'))
def show_clone_disk(disks):
clone_disk = []
for disk in disks:
if disk['image'] is None:
continue
if disk['image'].count(".") and len(disk['image'].rsplit(".", 1)[1]) <= 7:
name, suffix = disk['image'].rsplit(".", 1)
image = name + "-clone" + "." + suffix
else:
image = disk['image'] + "-clone"
clone_disk.append(
{'dev': disk['dev'], 'storage': disk['storage'], 'image': image, 'format': disk['format']})
return clone_disk
errors = []
messages = []
time_refresh = TIME_JS_REFRESH * 3
compute = Compute.objects.get(id=host_id)
computes = Compute.objects.all()
computes_count = len(computes)
keymaps = QEMU_KEYMAPS
console_types = QEMU_CONSOLE_TYPES
try:
conn = wvmInstance(compute.hostname,
compute.login,
compute.password,
compute.type,
vname)
conn_interfaces = wvmInterfaces(compute.hostname,
compute.login,
compute.password,
compute.type)
ifaces = conn_interfaces.get_ifaces()
i = 0
ifaces_all = util.get_free_vfs()
ifaces_all = sorted(ifaces_all.iteritems(),key=lambda ax:ax[0])
print ifaces_all
temp_ifaces = []
hd_resources = []
hd_resources_checked = conn.get_hd_resources_device()
if os.path.exists(util.get_hd_resources_conf()):
hd_resources = util.load_hd_resources()
for vf_filter in hd_resources.keys():
if vf_filter == "mem" or vf_filter == "vcpu":
continue
if hd_resources[vf_filter]['used'] == 1:
del hd_resources[vf_filter]
else:
hd_resources = util.create_hd_resources()
vcpu_left = hd_resources["vcpu"]
mem_left = hd_resources["mem"]
del hd_resources["vcpu"]
del hd_resources["mem"]
is_vf = False
status = conn.get_status()
autostart = conn.get_autostart()
vcpu = conn.get_vcpu()
cur_vcpu = conn.get_cur_vcpu()
uuid = conn.get_uuid()
memory = conn.get_memory()
cur_memory = conn.get_cur_memory()
description = conn.get_description()
disks = conn.get_disk_device()
media = conn.get_media_device()
networks = conn.get_net_device()
hd_resources_checked = conn.get_hd_resources_device()
media_iso = sorted(conn.get_iso_media())
vcpu_range = conn.get_max_cpus()
vcpu_max = vcpu_range
vcpu_range = xrange(1, int(vcpu_left) + 1)
memory_range = [2048, 4096, 6144, 8192, 16384]
memory_range = [ memory for memory in memory_range if memory/1024 <= mem_left ]
if memory not in memory_range:
insort(memory_range, memory)
if cur_memory not in memory_range:
insort(memory_range, cur_memory)
memory_host = conn.get_max_memory()
vcpu_host = len(vcpu_max)
telnet_port = conn.get_telnet_port()
console_type = conn.get_console_type()
console_port = conn.get_console_port()
console_keymap = conn.get_console_keymap()
snapshots = sorted(conn.get_snapshot(), reverse=True)
inst_xml = conn._XMLDesc(VIR_DOMAIN_XML_SECURE)
has_managed_save_image = conn.get_managed_save_image()
clone_disks = show_clone_disk(disks)
console_passwd = conn.get_console_passwd()
vf_infos = util.get_pfvf_map(vname)
if not vf_infos:
vf_infos = {
"test_pf1":[("vf1",'1.0.21'),('vf2','1.0.22')],
"test_pf2":[("vf2",'1.0.31'),("vf3",'1.0.32')],
"test_pf3":[("vf3",'1.0.41'),("vf5",'1.0.42')],
}
try:
instance = Instance.objects.get(compute_id=host_id, name=vname)
if instance.uuid != uuid:
instance.uuid = uuid
instance.save()
except Instance.DoesNotExist:
instance = Instance(compute_id=host_id, name=vname, uuid=uuid)
instance.save()
if request.method == 'POST':
if 'start' in request.POST:
conn.start()
return HttpResponseRedirect(request.get_full_path() + '#shutdown')
if 'power' in request.POST:
if 'shutdown' == request.POST.get('power', ''):
conn.shutdown()
return HttpResponseRedirect(request.get_full_path() + '#shutdown')
if 'destroy' == request.POST.get('power', ''):
conn.force_shutdown()
return HttpResponseRedirect(request.get_full_path() + '#forceshutdown')
if 'managedsave' == request.POST.get('power', ''):
conn.managedsave()
return HttpResponseRedirect(request.get_full_path() + '#managedsave')
if 'deletesaveimage' in request.POST:
conn.managed_save_remove()
return HttpResponseRedirect(request.get_full_path() + '#managedsave')
if 'suspend' in request.POST:
conn.suspend()
return HttpResponseRedirect(request.get_full_path() + '#suspend')
if 'resume' in request.POST:
conn.resume()
return HttpResponseRedirect(request.get_full_path() + '#suspend')
if 'delete' in request.POST:
if conn.get_status() == 1:
conn.force_shutdown()
try:
instance = Instance.objects.get(compute_id=host_id, name=vname)
instance.delete()
conn.delete_disk()
hd_resources_all = util.load_hd_resources()
for vf in hd_resources_checked:
hd_resources_all[vf]['used'] = 0
hd_resources_all["vcpu"] = int(hd_resources_all["vcpu"]) + vcpu
hd_resources_all["mem"] = int(hd_resources_all["mem"]) + cur_memory / 1024
util.save_hd_resources(hd_resources_all)
finally:
conn.delete()
return HttpResponseRedirect(reverse('instances', args=[host_id]))
if 'snapshot' in request.POST:
name = request.POST.get('name', '')
conn.create_snapshot(name)
return HttpResponseRedirect(request.get_full_path() + '#istaceshapshosts')
if 'umount_iso' in request.POST:
image = request.POST.get('path', '')
dev = request.POST.get('umount_iso', '')
conn.umount_iso(dev, image)
return HttpResponseRedirect(request.get_full_path() + '#instancemedia')
if 'mount_iso' in request.POST:
image = request.POST.get('media', '')
dev = request.POST.get('mount_iso', '')
conn.mount_iso(dev, image)
return HttpResponseRedirect(request.get_full_path() + '#instancemedia')
if 'set_autostart' in request.POST:
conn.set_autostart(1)
return HttpResponseRedirect(request.get_full_path() + '#instancesettings')
if 'unset_autostart' in request.POST:
conn.set_autostart(0)
return HttpResponseRedirect(request.get_full_path() + '#instancesettings')
if 'change_settings' in request.POST:
description = request.POST.get('description', '')
cur_vcpu_original = vcpu
cur_mem_original = cur_memory
vcpu = request.POST.get('vcpu', '')
cur_vcpu = request.POST.get('cur_vcpu', '')
memory = request.POST.get('memory', '')
memory_custom = request.POST.get('memory_custom', '')
if memory_custom:
memory = memory_custom
cur_memory = request.POST.get('cur_memory', '')
cur_memory_custom = request.POST.get('cur_memory_custom', '')
hd_resources_set = request.POST.getlist("ethx")
if cur_memory_custom:
cur_memory = cur_memory_custom
conn.change_settings(description, cur_memory, cur_memory, cur_vcpu, cur_vcpu, hd_resources_set)
hd_resources_all = util.load_hd_resources()
for vf in hd_resources_checked:
if vf not in hd_resources_set:
hd_resources_all[vf]['used'] = 0
for vf in hd_resources_set:
hd_resources_all[vf]['used'] = 1
hd_resources_all["vcpu"] = int(hd_resources_all["vcpu"]) - int(cur_vcpu) + cur_vcpu_original
hd_resources_all["mem"] = (int(hd_resources_all["mem"]) * 1024 - int(cur_memory)) / 1024 + int(cur_mem_original)/1024
util.save_hd_resources(hd_resources_all)
return HttpResponseRedirect(request.get_full_path() + '#instancesettings')
if 'change_xml' in request.POST:
xml = request.POST.get('inst_xml', '')
if xml:
conn._defineXML(xml)
return HttpResponseRedirect(request.get_full_path() + '#instancexml')
if 'set_console_passwd' in request.POST:
if request.POST.get('auto_pass', ''):
passwd = ''.join([choice(letters + digits) for i in xrange(12)])
else:
passwd = request.POST.get('console_passwd', '')
clear = request.POST.get('clear_pass', False)
if clear:
passwd = ''
if not passwd and not clear:
msg = _("Enter the console password or select Generate")
errors.append(msg)
if not errors:
if not conn.set_console_passwd(passwd):
msg = _("Error setting console password. You should check that your instance have an graphic device.")
errors.append(msg)
else:
return HttpResponseRedirect(request.get_full_path() + '#console_pass')
if 'set_console_keymap' in request.POST:
keymap = request.POST.get('console_keymap', '')
clear = request.POST.get('clear_keymap', False)
if clear:
conn.set_console_keymap('')
else:
conn.set_console_keymap(keymap)
return HttpResponseRedirect(request.get_full_path() + '#console_keymap')
if 'set_console_type' in request.POST:
console_type = request.POST.get('console_type', '')
conn.set_console_type(console_type)
return HttpResponseRedirect(request.get_full_path() + '#console_type')
if 'migrate' in request.POST:
compute_id = request.POST.get('compute_id', '')
live = request.POST.get('live_migrate', False)
unsafe = request.POST.get('unsafe_migrate', False)
xml_del = request.POST.get('xml_delete', False)
new_compute = Compute.objects.get(id=compute_id)
conn_migrate = wvmInstances(new_compute.hostname,
new_compute.login,
new_compute.password,
new_compute.type)
conn_migrate.moveto(conn, vname, live, unsafe, xml_del)
conn_migrate.define_move(vname)
conn_migrate.close()
return HttpResponseRedirect(reverse('instance', args=[compute_id, vname]))
if 'delete_snapshot' in request.POST:
snap_name = request.POST.get('name', '')
conn.snapshot_delete(snap_name)
return HttpResponseRedirect(request.get_full_path() + '#istaceshapshosts')
if 'revert_snapshot' in request.POST:
snap_name = request.POST.get('name', '')
conn.snapshot_revert(snap_name)
msg = _("Successful revert snapshot: ")
msg += snap_name
messages.append(msg)
if 'clone' in request.POST:
clone_data = {}
clone_data['name'] = request.POST.get('name', '')
for post in request.POST:
if 'disk' or 'meta' in post:
clone_data[post] = request.POST.get(post, '')
conn.clone_instance(clone_data)
return HttpResponseRedirect(reverse('instance', args=[host_id, clone_data['name']]))
if 'add_vf' in request.POST:
from django.utils.translation import ugettext as _
count_vf = 0
for pf,vfs in vf_infos.items():
for vf in vfs:
count_vf = count_vf+1
cnt_max = settings.vf_cnt_max
if count_vf>cnt_max:
errors.append(_("One instance has amount max VF is:")+str(cnt_max))
return render_to_response('instance.html', locals(), context_instance=RequestContext(request))
vf_data = request.POST.getlist('interfaces')
if (len(vf_data)+count_vf)>cnt_max:
errors.append(_("One instance has amount max VF is:")+str(cnt_max))
return render_to_response('instance.html', locals(), context_instance=RequestContext(request))
inst_xml = conn.change_nics_settings(True, vf_data)
vf_infos = util.get_pfvf_map(vname)
if not vf_infos:
vf_infos = {
"test_pf1":[("vf1",'1.0.21'),('vf2','1.0.22')],
"test_pf2":[("vf2",'1.0.31'),("vf3",'1.0.32')],
"test_pf3":[("vf3",'1.0.41'),("vf5",'1.0.42')],
}
return HttpResponseRedirect('/instance/%s/%s'%(host_id,vname))
if 'del_vf' in request.POST:
del_vf_id = request.POST.get('vf_id', '')
count_vf = 0
for pf,vfs in vf_infos.items():
for vf in vfs:
count_vf = count_vf+1
if count_vf == 1:
errors.append(_("It is the last Vf. Can't delete !"))
return render_to_response('instance.html', locals(), context_instance=RequestContext(request))
inst_xml = conn.change_nics_settings(False, [del_vf_id])
vf_infos = util.get_pfvf_map(vname)
is_vf = True
if not vf_infos:
vf_infos = {
"test_pf1":[("vf1",'1.0.21'),('vf2','1.0.22')],
"test_pf2":[("vf2",'1.0.31'),("vf3",'1.0.32')],
"test_pf3":[("vf3",'1.0.41'),("vf5",'1.0.42')],
}
return HttpResponseRedirect('/instance/%s/%s'%(host_id,vname))
conn.close()
except libvirtError as err:
errors.append(err)
return render_to_response('instance.html', locals(), context_instance=RequestContext(request))
def create_instance(self, name, memory, vcpu, uuid, images, networks, host_model=False, virtio=True, template_ver3=True):
"""
Create VM function
"""
memory = int(memory) * 1024
if self.is_kvm_supported():
hypervisor_type = 'kvm'
else:
hypervisor_type = 'qemu'
vm_template = "ver4"
if template_ver3:
vm_template = "ver3"
xml = u"""
<domain type='%s'>
<name>%s</name>
<description>%s</description>
<uuid>%s</uuid>
<memory unit='KiB'>%s</memory>
<vcpu>%s</vcpu>""" % (hypervisor_type, name, vm_template, uuid, memory, vcpu)
if host_model:
xml += """<cpu mode='host-model'/>"""
xml +=u"""<os>
<type arch='%s'>%s</type>
<boot dev='hd'/>
<boot dev='cdrom'/>
<bootmenu enable='yes'/>
</os>""" % (self.get_host_arch(), self.get_os_type())
xml += u"""<features>
<acpi/><apic/><pae/>
</features>
<clock offset="utc"/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>"""
disk_letters = list(string.lowercase)
for image, img_type in images.items():
stg = self.get_storage_by_vol_path(image)
stg_type = util.get_xml_path(stg.XMLDesc(0), "/pool/@type")
if stg_type == 'rbd':
ceph_user, secrt_uuid, ceph_host = get_rbd_storage_data(stg)
xml += u"""<disk type='network' device='disk'>
<driver name='qemu' type='%s'/>
<auth username='******'>
<secret type='ceph' uuid='%s'/>
</auth>
<source protocol='rbd' name='%s'>
<host name='%s' port='6789'/>
</source>""" % (img_type, ceph_user, secrt_uuid, image, ceph_host)
else:
xml += u"""<disk type='file' device='disk'>
<driver name='qemu' type='%s'/>
<source file='%s'/>""" % (img_type, image)
if virtio:
xml += u"""<target dev='vd%s' bus='virtio'/>""" % (disk_letters.pop(0),)
else:
xml += u"""<target dev='sd%s' bus='ide'/>""" % (disk_letters.pop(0),)
xml += u"""</disk>"""
xml += u""" <disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file=''/>
<target dev='hda' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' target='0' unit='1'/>
</disk>"""
xml += u""" <interface type='bridge'>
<mac address='%s'/>
<source bridge='br0'/>
<model type='e1000'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
</interface>""" % util.randomMAC()
hd_resources = util.load_hd_resources()
slot_index = 6
for net in networks:
slot_index = slot_index + 1
xml += u"""<hostdev mode='subsystem' type='pci' managed='yes'><source>"""
bus = net.split(":")[0]
slot = net.split(":")[1].split(".")[0]
func = net.split(":")[1].split(".")[1]
hd_resources[net]['used'] = 1
xml += u"""<address domain='0x0000' bus='0x%s' slot='0x%s' function='0x%s'/></source>""" % (bus, slot, func)
xml += u"""<address type='pci' domain='0x0000' bus='0x00' slot='0x%02x' function='0x0'/>""" % slot_index
xml += u"""</hostdev>"""
hd_resources["mem"] = int(hd_resources["mem"]) - memory / (1024*1024)
hd_resources["vcpu"] = int(hd_resources["vcpu"]) - vcpu
util.save_hd_resources(hd_resources)
xml += u""" <input type='mouse' bus='ps2'/>
<input type='tablet' bus='usb'/>
<graphics type='%s' port='-1' autoport='yes' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>
<console type='pty'/>
<video>
<model type='cirrus'/>
</video>
<memballoon model='virtio'/>
</devices>
</domain>""" % QEMU_CONSOLE_DEFAULT_TYPE
self._defineXML(xml)
