def create(request, host_id):
"""
Create new instance.
"""
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse('login'))
conn = None
errors = []
storages = []
networks = []
meta_prealloc = False
compute = Compute.objects.get(id=host_id)
flavors = Flavor.objects.filter().order_by('id')
try:
conn = wvmCreate(compute.hostname,
compute.login,
compute.password,
compute.type)
storages = sorted(conn.get_storages())
networks = sorted(conn.get_networks())
instances = conn.get_instances()
get_images = sorted(conn.get_storages_images())
cache_modes = sorted(conn.get_cache_modes().items())
mac_auto = util.randomMAC()
except libvirtError as err:
errors.append(err)
if conn:
if not storages:
msg = _("You haven't defined have any storage pools")
errors.append(msg)
if not networks:
msg = _("You haven't defined have any network pools")
errors.append(msg)
if request.method == 'POST':
if 'create_flavor' in request.POST:
form = FlavorAddForm(request.POST)
if form.is_valid():
data = form.cleaned_data
create_flavor = Flavor(label=data['label'],
vcpu=data['vcpu'],
memory=data['memory'],
disk=data['disk'])
create_flavor.save()
return HttpResponseRedirect(request.get_full_path())
if 'delete_flavor' in request.POST:
flavor_id = request.POST.get('flavor', '')
delete_flavor = Flavor.objects.get(id=flavor_id)
delete_flavor.delete()
return HttpResponseRedirect(request.get_full_path())
if 'create_xml' in request.POST:
xml = request.POST.get('from_xml', '')
try:
name = util.get_xml_path(xml, '/domain/name')
except util.libxml2.parserError:
name = None
if name in instances:
msg = _("A virtual machine with this name already exists")
errors.append(msg)
else:
try:
conn._defineXML(xml)
return HttpResponseRedirect(reverse('instance', args=[host_id, name]))
except libvirtError as err:
errors.append(err.message)
if 'create' in request.POST:
volumes = {}
form = NewVMForm(request.POST)
if form.is_valid():
data = form.cleaned_data
if data['meta_prealloc']:
meta_prealloc = True
if instances:
if data['name'] in instances:
msg = _("A virtual machine with this name already exists")
errors.append(msg)
if not errors:
if data['hdd_size']:
if not data['mac']:
msg = _("No Virtual Machine MAC has been entered")
errors.append(msg)
else:
try:
path = conn.create_volume(data['storage'], data['name'], data['hdd_size'],
metadata=meta_prealloc)
volumes[path] = conn.get_volume_type(path)
except libvirtError as msg_error:
errors.append(msg_error.message)
elif data['template']:
templ_path = conn.get_volume_path(data['template'])
clone_path = conn.clone_from_template(data['name'], templ_path, metadata=meta_prealloc)
volumes[clone_path] = conn.get_volume_type(clone_path)
else:
if not data['images']:
msg = _("First you need to create or select an image")
errors.append(msg)
else:
for vol in data['images'].split(','):
try:
path = conn.get_volume_path(vol)
volumes[path] = conn.get_volume_type(path)
except libvirtError as msg_error:
errors.append(msg_error.message)
if data['cache_mode'] not in conn.get_cache_modes():
msg = _("Invalid cache mode")
errors.append(msg)
if not errors:
uuid = util.randomUUID()
try:
conn.create_instance(data['name'], data['memory'], data['vcpu'], data['host_model'],
uuid, volumes, data['cache_mode'], data['networks'], data['virtio'],
data['mac'])
create_instance = Instance(compute_id=host_id, name=data['name'], uuid=uuid)
create_instance.save()
return HttpResponseRedirect(reverse('instance', args=[host_id, data['name']]))
except libvirtError as err:
if data['hdd_size']:
conn.delete_volume(volumes.keys()[0])
errors.append(err)
conn.close()
return render_to_response('create.html', locals(), context_instance=RequestContext(request))
def create_instance(request, compute_id):
"""
:param request:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
conn = None
error_messages = []
storages = []
networks = []
meta_prealloc = False
compute = get_object_or_404(Compute, pk=compute_id)
flavors = Flavor.objects.filter().order_by('id')
try:
conn = wvmCreate(compute.hostname, compute.login, compute.password,
compute.type)
storages = sorted(conn.get_storages(only_actives=True))
networks = sorted(conn.get_networks())
nwfilters = conn.get_nwfilters()
instances = conn.get_instances()
videos = conn.get_video()
cache_modes = sorted(conn.get_cache_modes().items())
default_cache = INSTANCE_VOLUME_DEFAULT_CACHE
listener_addr = QEMU_CONSOLE_LISTEN_ADDRESSES
mac_auto = util.randomMAC()
disk_devices = conn.get_disk_device_types()
disk_buses = conn.get_disk_bus_types()
default_bus = INSTANCE_VOLUME_DEFAULT_BUS
except libvirtError as lib_err:
error_messages.append(lib_err)
if conn:
if not storages:
msg = _("You haven't defined any storage pools")
error_messages.append(msg)
if not networks:
msg = _("You haven't defined any network pools")
error_messages.append(msg)
if request.method == 'POST':
if 'create_flavor' in request.POST:
form = FlavorAddForm(request.POST)
if form.is_valid():
data = form.cleaned_data
create_flavor = Flavor(label=data['label'],
vcpu=data['vcpu'],
memory=data['memory'],
disk=data['disk'])
create_flavor.save()
return HttpResponseRedirect(request.get_full_path())
if 'delete_flavor' in request.POST:
flavor_id = request.POST.get('flavor', '')
delete_flavor = Flavor.objects.get(id=flavor_id)
delete_flavor.delete()
return HttpResponseRedirect(request.get_full_path())
if 'create_xml' in request.POST:
xml = request.POST.get('dom_xml', '')
try:
name = util.get_xml_path(xml, '/domain/name')
except util.etree.Error as err:
name = None
if name in instances:
error_msg = _(
"A virtual machine with this name already exists")
error_messages.append(error_msg)
else:
try:
conn._defineXML(xml)
return HttpResponseRedirect(
reverse('instance', args=[compute_id, name]))
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if 'create' in request.POST:
volume_list = []
clone_path = ""
form = NewVMForm(request.POST)
if form.is_valid():
data = form.cleaned_data
if data['meta_prealloc']:
meta_prealloc = True
if instances:
if data['name'] in instances:
msg = _(
"A virtual machine with this name already exists"
)
error_messages.append(msg)
if Instance.objects.filter(name__exact=data['name']):
messages.warning(
request,
_("There is an instance with same name. Are you sure?"
))
if not error_messages:
if data['hdd_size']:
if not data['mac']:
error_msg = _(
"No Virtual Machine MAC has been entered")
error_messages.append(error_msg)
else:
try:
path = conn.create_volume(
data['storage'],
data['name'],
data['hdd_size'],
metadata=meta_prealloc)
volume = dict()
volume['path'] = path
volume['type'] = conn.get_volume_type(path)
volume['device'] = 'disk'
volume['bus'] = 'virtio'
volume_list.append(volume)
except libvirtError as lib_err:
error_messages.append(lib_err.message)
elif data['template']:
templ_path = conn.get_volume_path(data['template'])
dest_vol = conn.get_volume_path(
data["name"] + ".img", data['storage'])
if dest_vol:
error_msg = _(
"Image has already exist. Please check volumes or change instance name"
)
error_messages.append(error_msg)
else:
clone_path = conn.clone_from_template(
data['name'],
templ_path,
data['storage'],
metadata=meta_prealloc)
volume = dict()
volume['path'] = clone_path
volume['type'] = conn.get_volume_type(
clone_path)
volume['device'] = 'disk'
volume['bus'] = 'virtio'
volume_list.append(volume)
else:
if not data['images']:
error_msg = _(
"First you need to create or select an image"
)
error_messages.append(error_msg)
else:
for idx, vol in enumerate(
data['images'].split(',')):
try:
path = conn.get_volume_path(vol)
volume = dict()
volume['path'] = path
volume['type'] = conn.get_volume_type(
path)
volume['device'] = request.POST.get(
'device' + str(idx), '')
volume['bus'] = request.POST.get(
'bus' + str(idx), '')
volume_list.append(volume)
except libvirtError as lib_err:
error_messages.append(lib_err.message)
if data['cache_mode'] not in conn.get_cache_modes():
error_msg = _("Invalid cache mode")
error_messages.append(error_msg)
if not error_messages:
uuid = util.randomUUID()
try:
conn.create_instance(
data['name'], data['memory'], data['vcpu'],
data['host_model'], uuid, volume_list,
data['cache_mode'], data['networks'],
data['virtio'], data["listener_addr"],
data["nwfilter"], data["video"],
data["console_pass"], data['mac'],
data['qemu_ga'])
create_instance = Instance(
compute_id=compute_id,
name=data['name'],
uuid=uuid)
create_instance.save()
msg = _("Instance is created.")
messages.success(request, msg)
addlogmsg(request.user.username,
create_instance.name, msg)
return HttpResponseRedirect(
reverse('instance',
args=[compute_id, data['name']]))
except libvirtError as lib_err:
if data['hdd_size'] or volume_list.count() > 0:
for vol in volume_list:
conn.delete_volume(vol['path'])
error_messages.append(lib_err)
conn.close()
return render(request, 'create_instance.html', locals())
def createlxc(request, host_id):
"""
Create new lxc container instance.
"""
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse('login'))
if not request.user.is_staff:
raise PermissionDenied
conn = None
errors = []
storages = []
networks = []
compute = Compute.objects.get(id=host_id)
instances = None
wmstorage =None
templatedb = {}
templatelist = []
with open('/var/www/webvirtmgr/ansiblefunc/playbook/template','r') as template:
lines = template.readlines()
for line in lines:
templatedb[line.split(',')[0]] = line.split(',')[1].strip()
templatelist.append(line.split(',')[0])
try:
conn = wvmCreate(compute.hostname,
compute.login,
compute.password,
compute.type,
compute.hypervisor)
storages = sorted(conn.get_storages())
networks = sorted(conn.get_networks())
instances = conn.get_instances()
get_images = sorted(conn.get_storages_images())
get_containtype = sorted(['operation system','application'])
mac_auto = util.randomMAC()
except libvirtError as err:
errors.append(err)
if conn:
if not storages:
msg = _("You haven't defined have any storage pools")
errors.append(msg)
if not networks:
msg = _("You haven't defined have any network pools")
errors.append(msg)
if request.method == 'POST':
if 'create' in request.POST:
volumes = {}
pathtuple=[]
form = NewVMForm(request.POST)
if form.is_valid():
data = form.cleaned_data
if data['meta_prealloc']:
meta_prealloc = True
if data['name'] in instances:
msg = _("A virtual machine with this name already exists")
errors.append(msg)
if not data['images']:
msg = _("First you need to create or select an image")
errors.append(msg)
if not errors:
for vol in data['images'].split(','):
try:
path = conn.get_volume_path(vol)
volumes[path] = conn.get_volume_type(path)
pathtuple.append(path)
except libvirtError as msg_error:
errors.append(msg_error.message)
if not errors:
uuid = util.randomUUID()
try:
root = data['images'].split(',')[0]
print root
rootimage = conn.get_volume_path(root)
ostype={'os':'/sbin/init','app':'/bin/sh'}
if not data['template']:
lxcdeployjob = ansiblefunc.ans_func.AnsDeployJob(vmname=data['name'],memory=data['memory'],rootimage=rootimage,supervisorip=
conn.host,network=data['networks'].split(','),inittype=ostype[form.data['containtype']],
rootpass=form.data['rootpass'],cpu=form.data['vcpu'],installedpackage=form.data['packages'],
images=pathtuple[1:])
else:
lxcdeployjob = ansiblefunc.ans_func.AnsDeployJob(vmname=data['name'],
memory=data['memory'],
rootimage=rootimage, supervisorip=
conn.host,
network=data['networks'].split(
','),
rootpass=form.data['rootpass'],
cpu=form.data['vcpu'],
images=[],
templatename=data['template'])
lxcdeployjob.deploy()
time.sleep(2)
return HttpResponseRedirect(reverse('instances', args=[host_id]))
except libvirtError as err:
if data['hdd_size']:
conn.delete_volume(volumes.keys()[0])
errors.append(err)
conn.close()
return render_to_response('createlxc.html', locals(), context_instance=RequestContext(request))
def instances(request, host_id):
"""
Instances block
"""
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse('login'))
errors = []
instances = []
time_refresh = 8000
get_instances = []
cnt_max = settings.vf_cnt_max
conn = None
meta_prealloc = False
compute = Compute.objects.get(id=host_id)
memory_range = [2048, 4096, 6144, 8192, 16384]
ifaces_all = util.get_free_vfs()
ifaces_all = sorted(ifaces_all.iteritems(),key=lambda ax:ax[0])
try:
conn = wvmInstances(compute.hostname,
compute.login,
compute.password,
compute.type)
conn_create = wvmCreate(compute.hostname,
compute.login,
compute.password,
compute.type)
conn_storage = wvmStorage(compute.hostname,
compute.login,
compute.password,
compute.type,
'Images')
state = conn_storage.is_active()
if state:
conn_storage.refresh()
volumes = conn_storage.update_volumes()
conn_storage.close()
else:
volumes = None
get_images = volumes
get_instances = conn.get_instances()
except libvirtError as err:
pass
# errors.append(err)
for instance in get_instances:
try:
inst = Instance.objects.get(compute_id=host_id, name=instance)
uuid = inst.uuid
except Instance.DoesNotExist:
uuid = conn.get_uuid(instance)
inst = Instance(compute_id=host_id, name=instance, uuid=uuid)
inst.save()
instances.append({'name': instance,
'status': conn.get_instance_status(instance),
'uuid': uuid,
'memory': conn.get_instance_memory(instance),
'vcpu': conn.get_instance_vcpu(instance),
'has_managed_save_image': conn.get_instance_managed_save_image(instance)})
if conn:
try:
if request.method == 'POST':
name = request.POST.get('name', '')
if 'start' in request.POST:
conn.start(name)
return HttpResponseRedirect(request.get_full_path())
if 'shutdown' in request.POST:
conn.shutdown(name)
return HttpResponseRedirect(request.get_full_path())
if 'destroy' in request.POST:
conn.force_shutdown(name)
return HttpResponseRedirect(request.get_full_path())
if 'managedsave' in request.POST:
conn.managedsave(name)
return HttpResponseRedirect(request.get_full_path())
if 'deletesaveimage' in request.POST:
conn.managed_save_remove(name)
return HttpResponseRedirect(request.get_full_path())
if 'suspend' in request.POST:
conn.suspend(name)
return HttpResponseRedirect(request.get_full_path())
if 'resume' in request.POST:
conn.resume(name)
return HttpResponseRedirect(request.get_full_path())
if 'create' in request.POST:
volumes = {}
interfaces = []
vm_vfs_info = {}
form = NewVMForm(request.POST)
if form.is_valid():
data = form.cleaned_data
if instances:
if data['name'] in instances:
msg = _("A virtual machine with this name already exists")
errors.append(msg)
if not errors:
if data['hdd_size']:
try:
path = conn.create_volume(data['storage'], data['name'], data['hdd_size'],
metadata=meta_prealloc)
volumes[path] = conn.get_volume_type(path)
except libvirtError as msg_error:
errors.append(msg_error.message)
elif data['template']:
templ_path = conn_create.get_volume_path(data['template'])
clone_path = conn_create.clone_from_template(data['name'], templ_path, metadata=meta_prealloc)
volumes[clone_path] = conn_create.get_volume_type(clone_path)
ifaces_all = request.POST.getlist('interfaces')
else:
if not data['images']:
msg = _("First you need to create or select an image")
errors.append(msg)
else:
for vol in data['images'].split(','):
try:
path = conn.get_volume_path(vol)
volumes[path] = conn.get_volume_type(path)
except libvirtError as msg_error:
errors.append(msg_error.message)
if not errors:
uuid = util.randomUUID()
try:
template_ver3_flag = True
if data['template'].find("WiseGrid_V3") == -1:
template_ver3_flag = False
conn_create.create_instance(data['name'], data['cur_memory'], data['cur_vcpu'],
uuid, volumes, ifaces_all, False, True, template_ver3_flag)
create_instance = Instance(compute_id=host_id, name=data['name'], uuid=uuid)
create_instance.save()
vm_vfs_info[data['name']] = ifaces_all
if not errors:
util.update_vfs_fro_vm(vm_vfs_info)
return HttpResponseRedirect(reverse('instance', args=[host_id, data['name']]))
except libvirtError as err:
if data['hdd_size']:
conn_create.delete_volume(volumes.keys()[0])
errors.append(err)
else:
print form.errors
errors.append(form.errors)
conn.close()
conn_create.close()
except libvirtError as err:
errors.append(err)
hd_resources = util.load_hd_resources()
mem_left = hd_resources["mem"]
vcpu_left = hd_resources["vcpu"]
memory_range = [ memory for memory in memory_range if memory/1024 <= mem_left ]
vcpu_range = xrange(1, int(vcpu_left) + 1)
vcpu_memory_left_flag = True
if len(list(vcpu_range)) == 0 or len(memory_range) == 0:
vcpu_memory_left_flag = False
return render_to_response('instances.html', locals(), context_instance=RequestContext(request))
def create_instance(request, compute_id, arch, machine):
"""
:param request:
:param compute_id:
:param arch:
:param machine:
:return:
"""
if not request.user.is_superuser:
return HttpResponseRedirect(reverse('index'))
conn = None
error_messages = list()
storages = list()
networks = list()
hypervisors = list()
firmwares = list()
meta_prealloc = False
compute = get_object_or_404(Compute, pk=compute_id)
flavors = Flavor.objects.filter().order_by('id')
try:
conn = wvmCreate(compute.hostname, compute.login, compute.password,
compute.type)
default_firmware = INSTANCE_FIRMWARE_DEFAULT_TYPE
default_cpu_mode = INSTANCE_CPU_DEFAULT_MODE
instances = conn.get_instances()
videos = conn.get_video_models(arch, machine)
cache_modes = sorted(conn.get_cache_modes().items())
default_cache = INSTANCE_VOLUME_DEFAULT_CACHE.lower()
default_io = INSTANCE_VOLUME_DEFAULT_IO.lower()
default_zeroes = INSTANCE_VOLUME_DEFAULT_DETECT_ZEROES.lower()
default_discard = INSTANCE_VOLUME_DEFAULT_DISCARD.lower()
listener_addr = QEMU_CONSOLE_LISTEN_ADDRESSES
mac_auto = util.randomMAC()
disk_devices = conn.get_disk_device_types(arch, machine)
disk_buses = conn.get_disk_bus_types(arch, machine)
default_bus = INSTANCE_VOLUME_DEFAULT_BUS
networks = sorted(conn.get_networks())
nwfilters = conn.get_nwfilters()
storages = sorted(conn.get_storages(only_actives=True))
default_graphics = QEMU_CONSOLE_DEFAULT_TYPE
dom_caps = conn.get_dom_capabilities(arch, machine)
caps = conn.get_capabilities(arch)
virtio_support = conn.is_supports_virtio(arch, machine)
hv_supports_uefi = conn.supports_uefi_xml(dom_caps["loader_enums"])
# Add BIOS
label = conn.label_for_firmware_path(arch, None)
if label: firmwares.append(label)
# Add UEFI
loader_path = conn.find_uefi_path_for_arch(arch, dom_caps["loaders"])
label = conn.label_for_firmware_path(arch, loader_path)
if label: firmwares.append(label)
firmwares = list(set(firmwares))
except libvirtError as lib_err:
error_messages.append(lib_err)
if conn:
if not storages:
msg = _("You haven't defined any storage pools")
error_messages.append(msg)
if not networks:
msg = _("You haven't defined any network pools")
error_messages.append(msg)
if request.method == 'POST':
if 'create_flavor' in request.POST:
form = FlavorAddForm(request.POST)
if form.is_valid():
data = form.cleaned_data
create_flavor = Flavor(label=data['label'],
vcpu=data['vcpu'],
memory=data['memory'],
disk=data['disk'])
create_flavor.save()
return HttpResponseRedirect(request.get_full_path())
if 'delete_flavor' in request.POST:
flavor_id = request.POST.get('flavor', '')
delete_flavor = Flavor.objects.get(id=flavor_id)
delete_flavor.delete()
return HttpResponseRedirect(request.get_full_path())
if 'create' in request.POST:
firmware = dict()
volume_list = list()
is_disk_created = False
clone_path = ""
form = NewVMForm(request.POST)
if form.is_valid():
data = form.cleaned_data
if data['meta_prealloc']:
meta_prealloc = True
if instances:
if data['name'] in instances:
msg = _(
"A virtual machine with this name already exists"
)
error_messages.append(msg)
if Instance.objects.filter(name__exact=data['name']):
messages.warning(
request,
_("There is an instance with same name. Are you sure?"
))
if not error_messages:
if data['hdd_size']:
if not data['mac']:
error_msg = _(
"No Virtual Machine MAC has been entered")
error_messages.append(error_msg)
else:
try:
path = conn.create_volume(
data['storage'],
data['name'],
data['hdd_size'],
metadata=meta_prealloc)
volume = dict()
volume['path'] = path
volume['type'] = conn.get_volume_type(path)
volume['device'] = 'disk'
if data['virtio']:
volume[
'bus'] = INSTANCE_VOLUME_DEFAULT_BUS
volume_list.append(volume)
is_disk_created = True
except libvirtError as lib_err:
error_messages.append(lib_err)
elif data['template']:
templ_path = conn.get_volume_path(data['template'])
dest_vol = conn.get_volume_path(
data["name"] + ".img", data['storage'])
if dest_vol:
error_msg = _(
"Image has already exist. Please check volumes or change instance name"
)
error_messages.append(error_msg)
else:
clone_path = conn.clone_from_template(
data['name'],
templ_path,
data['storage'],
metadata=meta_prealloc)
volume = dict()
volume['path'] = clone_path
volume['type'] = conn.get_volume_type(
clone_path)
volume['device'] = 'disk'
if data['virtio']:
volume['bus'] = INSTANCE_VOLUME_DEFAULT_BUS
volume_list.append(volume)
is_disk_created = True
else:
if not data['images']:
error_msg = _(
"First you need to create or select an image"
)
error_messages.append(error_msg)
else:
for idx, vol in enumerate(
data['images'].split(',')):
try:
path = conn.get_volume_path(vol)
volume = dict()
volume['path'] = path
volume['type'] = conn.get_volume_type(
path)
volume['device'] = request.POST.get(
'device' + str(idx), '')
volume['bus'] = request.POST.get(
'bus' + str(idx), '')
volume_list.append(volume)
except libvirtError as lib_err:
error_messages.append(lib_err)
if data['cache_mode'] not in conn.get_cache_modes():
error_msg = _("Invalid cache mode")
error_messages.append(error_msg)
if 'UEFI' in data["firmware"]:
firmware["loader"] = data["firmware"].split(
":")[1].strip()
firmware["secure"] = 'no'
firmware["readonly"] = 'yes'
firmware["type"] = 'pflash'
if 'secboot' in firmware[
"loader"] and machine != 'q35':
messages.warning(
request,
"Changing machine type from '%s' to 'q35' "
"which is required for UEFI secure boot." %
machine)
machine = 'q35'
firmware["secure"] = 'yes'
if not error_messages:
uuid = util.randomUUID()
try:
conn.create_instance(
name=data['name'],
memory=data['memory'],
vcpu=data['vcpu'],
vcpu_mode=data['vcpu_mode'],
uuid=uuid,
arch=arch,
machine=machine,
firmware=firmware,
images=volume_list,
cache_mode=data['cache_mode'],
io_mode=default_io,
discard_mode=default_discard,
detect_zeroes_mode=default_zeroes,
networks=data['networks'],
virtio=data['virtio'],
listen_addr=data["listener_addr"],
nwfilter=data["nwfilter"],
graphics=data["graphics"],
video=data["video"],
console_pass=data["console_pass"],
mac=data['mac'],
qemu_ga=data['qemu_ga'])
create_instance = Instance(
compute_id=compute_id,
name=data['name'],
uuid=uuid)
create_instance.save()
msg = _("Instance is created.")
messages.success(request, msg)
addlogmsg(request.user.username,
create_instance.name, msg)
return HttpResponseRedirect(
reverse('instance',
args=[compute_id, data['name']]))
except libvirtError as lib_err:
if data['hdd_size'] or len(volume_list) > 0:
if is_disk_created:
for vol in volume_list:
conn.delete_volume(vol['path'])
error_messages.append(lib_err)
conn.close()
return render(request, 'create_instance_w2.html', locals())