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user can now clone instances, admin can specify user quotas (instances,cpus,memory)

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user can only select predefined instance names, mac and disk names are selected automatically
This commit is contained in:
Jan Krcmar 2016-03-23 09:00:42 +01:00
parent de5cb19913
commit 317c2a85ae
9 changed files with 221 additions and 54 deletions
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72
instances/views.py
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@ -20,6 +20,7 @@ from vrtManager.connection import connection_manager
from libvirt import libvirtError, VIR_DOMAIN_XML_SECURE
from webvirtcloud.settings import QEMU_KEYMAPS, QEMU_CONSOLE_TYPES
from logs.views import addlogmsg
from django.conf import settings
@login_required
@ -204,6 +205,31 @@ def instance(request, compute_id, vname):
else:
return long(float(size_str))
def get_clone_free_names(size=10):
prefix = settings.CLONE_INSTANCE_DEFAULT_PREFIX
free_names = []
existing_names = [i.name for i in Instance.objects.filter(name__startswith=prefix)]
index = 1
while len(free_names) < size:
new_name = prefix + str(index)
if new_name not in existing_names:
free_names.append(new_name)
index += 1
return free_names
def check_user_quota():
userinstances = UserInstance.objects.filter(user__id=request.user.id)
instances_count = len(userinstances)
cpus_count = instances_count
memory_count = instances_count * 2048
if request.user.userattributes.max_instances > 0 and instances_count > request.user.userattributes.max_instances:
return "instance"
if request.user.userattributes.max_cpus > 0 and cpus_count > request.user.userattributes.max_cpus:
return "cpu"
if request.user.userattributes.max_memory > 0 and memory_count > request.user.userattributes.max_memory:
return "memory"
return ""
try:
conn = wvmInstance(compute.hostname,
compute.login,
@ -241,6 +267,7 @@ def instance(request, compute_id, vname):
has_managed_save_image = conn.get_managed_save_image()
clone_disks = show_clone_disk(disks, vname)
console_passwd = conn.get_console_passwd()
clone_free_names = get_clone_free_names()
try:
instance = Instance.objects.get(compute_id=compute_id, name=vname)
@ -496,23 +523,6 @@ def instance(request, compute_id, vname):
addlogmsg(request.user.username, instance.name, msg)
return HttpResponseRedirect(reverse('instance', args=[compute_id, vname]))
if 'clone' in request.POST:
clone_data = {}
clone_data['name'] = request.POST.get('name', '')
check_instance = Instance.objects.filter(name=clone_data['name'])
if check_instance:
msg = _("Instance '%s' already exists!" % clone_data['name'])
error_messages.append(msg)
else:
for post in request.POST:
clone_data[post] = request.POST.get(post, '')
conn.clone_instance(clone_data)
msg = _("Clone")
addlogmsg(request.user.username, instance.name, msg)
return HttpResponseRedirect(reverse('instance', args=[compute_id, clone_data['name']]))
if 'change_network' in request.POST:
network_data = {}
@ -539,6 +549,34 @@ def instance(request, compute_id, vname):
addlogmsg(request.user.username, instance.name, msg)
return HttpResponseRedirect(request.get_full_path() + '#options')
if request.user.is_superuser or request.user.userattributes.can_clone_instances:
if 'clone' in request.POST:
clone_data = {}
clone_data['name'] = request.POST.get('name', '')
quota_msg = check_user_quota()
if quota_msg:
msg = _("User %s quota reached, cannot create '%s'!" % (quota_msg, clone_data['name']))
error_messages.append(msg)
check_instance = Instance.objects.filter(name=clone_data['name'])
if check_instance:
msg = _("Instance '%s' already exists!" % clone_data['name'])
error_messages.append(msg)
else:
for post in request.POST:
clone_data[post] = request.POST.get(post, '')
new_uuid = conn.clone_instance(clone_data)
new_instance = Instance(compute_id=compute_id, name=clone_data['name'], uuid=new_uuid)
new_instance.save()
userinstance = UserInstance(instance_id=new_instance.id, user_id=request.user.id)
userinstance.save()
msg = _("Clone of '%s'" % instance.name)
addlogmsg(request.user.username, new_instance.name, msg)
return HttpResponseRedirect(reverse('instance', args=[compute_id, clone_data['name']]))
conn.close()
except libvirtError as lib_err: