def test_compare_int_decreased(self):
self.assertEqual(compare(2, 0), "decreased from 2 to 0")
def modify_confirm(request, cluster_slug, instance):
vm, cluster = get_vm_and_cluster_or_404(cluster_slug, instance)
hv = get_hypervisor(vm)
if hv == 'kvm':
hv_form = KvmModifyVirtualMachineForm
elif hv == 'xen-pvm':
hv_form = PvmModifyVirtualMachineForm
elif hv == 'xen-hvm':
hv_form = HvmModifyVirtualMachineForm
else:
hv_form = None
# XXX no matter what, we're gonna call hv_form() and die. Let's do it
# louder than usual. >:3
msg = "Hey, guys, implementation error in views/vm.py:modify_confirm"
raise RuntimeError(msg)
user = request.user
power = user.is_superuser or user.has_any_perms(vm, ['admin', 'power'])
if not (user.is_superuser or user.has_any_perms(vm, ['admin', 'modify'])
or user.has_perm('admin', cluster)):
raise PermissionDenied(
_('You do not have permissions to edit this virtual machine'))
if request.method == "POST":
if 'edit' in request.POST:
return HttpResponseRedirect(
reverse("instance-modify",
args=[cluster.slug, vm.hostname]))
elif 'reboot' in request.POST or 'save' in request.POST:
form = ModifyConfirmForm(request.POST)
form.session = request.session
form.owner = vm.owner
form.vm = vm
form.cluster = cluster
if form.is_valid():
beparams = {}
data = form.cleaned_data
rapi_dict = data['rapi_dict']
nics = rapi_dict.pop('nics')
beparams['vcpus'] = rapi_dict.pop('vcpus')
if has_balloonmem(cluster):
beparams['maxmem'] = rapi_dict.pop('maxmem')
beparams['minmem'] = rapi_dict.pop('minmem')
else:
beparams['memory'] = rapi_dict.pop('memory')
os_name = rapi_dict.pop('os')
notes = rapi_dict.pop('notes')
job_id = cluster.rapi.ModifyInstance(
instance,
nics=nics,
os_name=os_name,
hvparams=rapi_dict,
beparams=beparams)
# Create job and update message on virtual machine detail page
job = Job.objects.create(job_id=job_id,
obj=vm,
cluster=cluster)
VirtualMachine.objects \
.filter(id=vm.id).update(last_job=job, ignore_cache=True,
note_text=notes)
# log information about modifying this instance
log_action('EDIT', user, vm)
if 'reboot' in request.POST and vm.info['status'] == 'running':
if power:
# Reboot the vm
job = vm.reboot()
log_action('VM_REBOOT', user, vm, job)
else:
raise PermissionDenied(
_("Sorry, but you do not have permission "
"to reboot this machine."))
# Redirect to instance-detail
return HttpResponseRedirect(
reverse("instance-detail",
args=[cluster.slug, vm.hostname]))
elif 'cancel' in request.POST:
# Remove session variables.
if 'edit_form' in request.session:
del request.session['edit_form']
# Redirect to instance-detail
return HttpResponseRedirect(
reverse("instance-detail", args=[cluster.slug, vm.hostname]))
elif request.method == "GET":
form = ModifyConfirmForm()
session = request.session
if 'edit_form' not in request.session:
return HttpResponseBadRequest('Incorrect Session Data')
data = session['edit_form']
info = vm.info
hvparams = info['hvparams']
old_set = dict(
vcpus=info['beparams']['vcpus'],
os=info['os'],
notes=vm.note_text
)
if has_balloonmem(cluster):
old_set['maxmem'] = info['beparams']['maxmem']
old_set['minmem'] = info['beparams']['minmem']
else:
old_set['memory'] = info['beparams']['memory']
nic_count = len(info['nic.links'])
for i in xrange(nic_count):
old_set['nic_link_%s' % i] = info['nic.links'][i]
old_set['nic_mac_%s' % i] = info['nic.macs'][i]
# Add hvparams to the old_set
old_set.update(hvparams)
instance_diff = {}
fields = hv_form(vm, data).fields
for key in data.keys():
if key in ['memory', 'maxmem', 'minmem']:
diff = compare(render_storage(old_set[key]),
render_storage(data[key]))
elif key == 'os':
oses = os_prettify([old_set[key], data[key]])
if len(oses) > 1:
"""
XXX - Special case for a cluster with two different types of
optgroups (i.e. Image, Debootstrap).
The elements at 00 and 10:
The optgroups
The elements at 010 and 110:
Tuple containing the OS Name and OS value.
The elements at 0101 and 1101:
String containing the OS Name
"""
oses[0][1][0] = list(oses[0][1][0])
oses[1][1][0] = list(oses[1][1][0])
oses[0][1][0][1] = '%s (%s)' % (oses[0][1][0][1], oses[0][0])
oses[1][1][0][1] = '%s (%s)' % (oses[1][1][0][1], oses[1][0])
oses = oses[0][1] + oses[1][1]
diff = compare(oses[0][1], oses[1][1])
else:
oses = oses[0][1]
diff = compare(oses[0][1], oses[1][1])
# diff = compare(oses[0][1], oses[1][1])
if key in ['nic_count', 'nic_count_original']:
continue
elif key not in old_set.keys():
diff = ""
instance_diff[fields[key].label] = _('Added')
else:
diff = compare(old_set[key], data[key])
if diff != "":
label = fields[key].label
instance_diff[label] = diff
# remove mac if it has not changed
for i in xrange(nic_count):
if fields['nic_mac_%s' % i].label not in instance_diff:
del data['nic_mac_%s' % i]
# Repopulate form with changed values
form.fields['rapi_dict'] = CharField(widget=HiddenInput,
initial=json.dumps(data))
return render_to_response(
'ganeti/virtual_machine/edit_confirm.html',
{
'cluster': cluster,
'form': form,
'instance': vm,
'instance_diff': instance_diff,
'power': power,
},
context_instance=RequestContext(request),
)
def test_compare_float_decreased(self):
self.assertEqual(compare(53.23, -34.0),
"decreased from 53.23 to -34.0")
def test_compare_int_increased(self):
self.assertEqual(compare(-4, 0), "increased from -4 to 0")
def test_compare_bool_disabled(self):
self.assertEqual(compare(True, False), "disabled")
def test_compare_float_increased(self):
self.assertEqual(compare(-34.0, 53.23),
"increased from -34.0 to 53.23")
def test_compare_bool_enabled(self):
self.assertEqual(compare(False, True), "enabled")
def test_compare_string_changed(self):
self.assertEqual(compare("foo", "bar"), "changed from foo to bar")
def test_compare_string_removed(self):
self.assertEqual(compare("bar", ""), "removed")
def test_compare_string_set(self):
self.assertEqual(compare("", "foo"), "set to foo")
def modify_confirm(request, cluster_slug, instance):
vm, cluster = get_vm_and_cluster_or_404(cluster_slug, instance)
hv = get_hypervisor(vm)
if hv == 'kvm':
hv_form = KvmModifyVirtualMachineForm
elif hv == 'xen-pvm':
hv_form = PvmModifyVirtualMachineForm
elif hv == 'xen-hvm':
hv_form = HvmModifyVirtualMachineForm
else:
hv_form = None
# XXX no matter what, we're gonna call hv_form() and die. Let's do it
# louder than usual. >:3
msg = "Hey, guys, implementation error in views/vm.py:modify_confirm"
raise RuntimeError(msg)
user = request.user
power = user.is_superuser or user.has_any_perms(vm, ['admin', 'power'])
if not (user.is_superuser or user.has_any_perms(vm, ['admin', 'modify'])
or user.has_perm('admin', cluster)):
raise PermissionDenied(
_('You do not have permissions to edit this virtual machine'))
if request.method == "POST":
if 'edit' in request.POST:
return HttpResponseRedirect(
reverse("instance-modify", args=[cluster.slug, vm.hostname]))
elif 'reboot' in request.POST or 'save' in request.POST:
form = ModifyConfirmForm(request.POST)
form.session = request.session
form.owner = vm.owner
form.vm = vm
form.cluster = cluster
if form.is_valid():
beparams = {}
data = form.cleaned_data
rapi_dict = data['rapi_dict']
nics = rapi_dict.pop('nics')
beparams['vcpus'] = rapi_dict.pop('vcpus')
if has_balloonmem(cluster):
beparams['maxmem'] = rapi_dict.pop('maxmem')
beparams['minmem'] = rapi_dict.pop('minmem')
else:
beparams['memory'] = rapi_dict.pop('memory')
os_name = rapi_dict.pop('os')
notes = rapi_dict.pop('notes')
job_id = cluster.rapi.ModifyInstance(instance,
nics=nics,
os_name=os_name,
hvparams=rapi_dict,
beparams=beparams)
# Create job and update message on virtual machine detail page
job = Job.objects.create(job_id=job_id,
obj=vm,
cluster=cluster)
VirtualMachine.objects \
.filter(id=vm.id).update(last_job=job, ignore_cache=True,
note_text=notes)
# log information about modifying this instance
log_action('EDIT', user, vm)
if 'reboot' in request.POST and vm.info['status'] == 'running':
if power:
# Reboot the vm
job = vm.reboot()
log_action('VM_REBOOT', user, vm, job)
else:
raise PermissionDenied(
_("Sorry, but you do not have permission "
"to reboot this machine."))
# Redirect to instance-detail
return HttpResponseRedirect(
reverse("instance-detail",
args=[cluster.slug, vm.hostname]))
elif 'cancel' in request.POST:
# Remove session variables.
if 'edit_form' in request.session:
del request.session['edit_form']
# Redirect to instance-detail
return HttpResponseRedirect(
reverse("instance-detail", args=[cluster.slug, vm.hostname]))
elif request.method == "GET":
form = ModifyConfirmForm()
session = request.session
if 'edit_form' not in request.session:
return HttpResponseBadRequest('Incorrect Session Data')
data = session['edit_form']
info = vm.info
hvparams = info['hvparams']
old_set = dict(vcpus=info['beparams']['vcpus'],
os=info['os'],
notes=vm.note_text)
if has_balloonmem(cluster):
old_set['maxmem'] = info['beparams']['maxmem']
old_set['minmem'] = info['beparams']['minmem']
else:
old_set['memory'] = info['beparams']['memory']
nic_count = len(info['nic.links'])
for i in xrange(nic_count):
old_set['nic_link_%s' % i] = info['nic.links'][i]
old_set['nic_mac_%s' % i] = info['nic.macs'][i]
# Add hvparams to the old_set
old_set.update(hvparams)
instance_diff = {}
fields = hv_form(vm, data).fields
for key in data.keys():
if key in ['memory', 'maxmem', 'minmem']:
diff = compare(render_storage(old_set[key]),
render_storage(data[key]))
elif key == 'os':
oses = os_prettify([old_set[key], data[key]])
if len(oses) > 1:
"""
XXX - Special case for a cluster with two different types of
optgroups (i.e. Image, Debootstrap).
The elements at 00 and 10:
The optgroups
The elements at 010 and 110:
Tuple containing the OS Name and OS value.
The elements at 0101 and 1101:
String containing the OS Name
"""
oses[0][1][0] = list(oses[0][1][0])
oses[1][1][0] = list(oses[1][1][0])
oses[0][1][0][1] = '%s (%s)' % (oses[0][1][0][1], oses[0][0])
oses[1][1][0][1] = '%s (%s)' % (oses[1][1][0][1], oses[1][0])
oses = oses[0][1] + oses[1][1]
diff = compare(oses[0][1], oses[1][1])
else:
oses = oses[0][1]
diff = compare(oses[0][1], oses[1][1])
# diff = compare(oses[0][1], oses[1][1])
if key in ['nic_count', 'nic_count_original']:
continue
elif key not in old_set.keys():
diff = ""
instance_diff[fields[key].label] = _('Added')
else:
diff = compare(old_set[key], data[key])
if diff != "":
label = fields[key].label
instance_diff[label] = diff
# remove mac if it has not changed
for i in xrange(nic_count):
if fields['nic_mac_%s' % i].label not in instance_diff:
del data['nic_mac_%s' % i]
# Repopulate form with changed values
form.fields['rapi_dict'] = CharField(widget=HiddenInput,
initial=json.dumps(data))
return render_to_response(
'ganeti/virtual_machine/edit_confirm.html',
{
'cluster': cluster,
'form': form,
'instance': vm,
'instance_diff': instance_diff,
'power': power,
},
context_instance=RequestContext(request),
)