Merge branch 'opennebula-integration' into vm_bill
This commit is contained in:
Modulos
commit
3078536bd7
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@ -7,6 +7,8 @@ from django.utils.translation import ugettext_lazy as _
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from django.utils.functional import cached_property
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from django.conf import settings
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from django.conf import settings
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from Crypto.PublicKey import RSA
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from stored_messages.settings import stored_messages_settings
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@ -17,6 +19,8 @@ from .managers import VMPlansManager
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from oca.exceptions import OpenNebulaException
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from oca.pool import WrongNameError
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import logging
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logger = logging.getLogger(__name__)
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class VirtualMachineType(models.Model):
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@ -173,6 +177,83 @@ class VirtualMachinePlan(AssignPermissionsMixin, models.Model):
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self.status = self.CANCELED_STATUS
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self.save(update_fields=['status'])
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@classmethod
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def get_vms(self, email):
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# Get User
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user_email = email
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# Connect to open nebula server
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# TODO: handle potential connection error
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oneadmin_client = oca.Client("{0}:{1}".format(
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settings.OPENNEBULA_USERNAME,
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settings.OPENNEBULA_PASSWORD),
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"{protocol}://{domain}:{port}{endpoint}".format(
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protocol=settings.OPENNEBULA_PROTOCOL,
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domain=settings.OPENNEBULA_DOMAIN,
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port=settings.OPENNEBULA_PORT,
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endpoint=settings.OPENNEBULA_ENDPOINT
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))
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# Get open nebula user id for given email
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user_pool = oca.UserPool(oneadmin_client)
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user_pool.info()
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try:
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user = user_pool.get_by_name(user_email)
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user_id = user.id
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logger.debug("User {user} exists.".format(user=user_email))
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except WrongNameError as wrong_name_err:
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# User does not exist. So, we create this user in OpenNebula
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password = get_user_opennebula_password()
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# We use the core authenticator driver for the new user
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user_id = oneadmin_client.call('user.allocate',
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user_email, password,
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'core')
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logger.debug("User {0} does not exist. Created the user. User id = {1}", user_email, user_id)
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# We should now have an OpenNebula user corresponding to user_email
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# It is now ok to now perform opennebula functions with this user's client
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client = oca.Client("{0}:{1}".format(
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user_email,
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get_user_opennebula_password()),
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"{protocol}://{domain}:{port}{endpoint}".format(
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protocol=settings.OPENNEBULA_PROTOCOL,
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domain=settings.OPENNEBULA_DOMAIN,
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port=settings.OPENNEBULA_PORT,
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endpoint=settings.OPENNEBULA_ENDPOINT
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))
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# Get vm_pool for given user_id
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vm_pool = oca.VirtualMachinePool(client)
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vm_pool.info(filter=user_id)
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# Reset total price
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self.total_price = 0
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vms = []
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# Add vm in vm_pool to context
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for vm in vm_pool:
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name = vm.name
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cores = int(vm.template.vcpu)
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memory = int(vm.template.memory) / 1024
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# Check if vm has more than one disk
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if 'DISK' in vm.template.multiple:
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disk_size = 0
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for disk in vm.template.disks:
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disk_size += int(disk.size) / 1024
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else:
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disk_size = int(vm.template.disk.size) / 1024
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#TODO: Replace with vm plan
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price = 0.6 * disk_size + 2 * memory + 5 * cores
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vm = {}
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vm['name'] = name
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vm['price'] = price
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vm['disk_size'] = disk_size
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vm['cores'] = cores
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vm['memory'] = memory
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vms.append(vm)
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# self.total_price += price
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# self.save()
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return vms
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class HostingOrder(AssignPermissionsMixin, models.Model):
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@ -336,3 +417,12 @@ class HostingBill(AssignPermissionsMixin, models.Model):
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return vms
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def get_user_opennebula_password():
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'''
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TODO: Implement the way we obtain the user's opennebula password
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'''
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pw = os.environ.get('OPENNEBULA_USER_PW')
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if pw is None:
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raise Exception("Define OPENNEBULA_USER_PW env variable")
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return pw
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@ -14,6 +14,7 @@ from django.utils.translation import ugettext_lazy as _
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from oca.exceptions import OpenNebulaException
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from oca.pool import WrongNameError
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from django import forms
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# Get an instance of a logger
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logger = logging.getLogger(__name__)
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@ -47,9 +48,9 @@ class HostingManageVMAdmin(admin.ModelAdmin):
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port=settings.OPENNEBULA_PORT,
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endpoint=settings.OPENNEBULA_ENDPOINT
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))
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print("{0}:{1}".format(settings.OPENNEBULA_USERNAME,
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logger.debug("{0}:{1}".format(settings.OPENNEBULA_USERNAME,
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settings.OPENNEBULA_PASSWORD))
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print("{protocol}://{domain}:{port}{endpoint}".format(
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logger.debug("{protocol}://{domain}:{port}{endpoint}".format(
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protocol=settings.OPENNEBULA_PROTOCOL,
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domain=settings.OPENNEBULA_DOMAIN,
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port=settings.OPENNEBULA_PORT,
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@ -58,7 +59,8 @@ class HostingManageVMAdmin(admin.ModelAdmin):
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self.create_opennebula_user(request)
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if self.client is None:
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opennebula_user = request.user.email
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opennebula_user_password = get_random_password()
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# TODO: get the password stored in django
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opennebula_user_password ='19737450'
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self.client = oca.Client("{0}:{1}".format(opennebula_user, opennebula_user_password),
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"{protocol}://{domain}:{port}{endpoint}".format(
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protocol=settings.OPENNEBULA_PROTOCOL,
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@ -84,6 +86,7 @@ class HostingManageVMAdmin(admin.ModelAdmin):
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# Include common variables for rendering the admin template.
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self.admin_site.each_context(request),
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vms=vm_pool,
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form=HostingManageVMForm
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)
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return TemplateResponse(request, "hosting/managevms.html", context)
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@ -292,14 +295,60 @@ class HostingManageVMAdmin(admin.ModelAdmin):
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opennebula_user = user_pool.get_by_name(request.user.email)
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logger.debug("User {0} exists. User id = {1}".format(request.user.email, opennebula_user.id))
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except WrongNameError as wrong_name_err:
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user_id = self.oneadmin_client.call('user.allocate', request.user.email, get_random_password(),
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'dummy')
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# TODO: Store this password so that we can use it later to
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# connect to opennebula
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password = get_random_password()
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oca.User.allocate(self.oneadmin_client, request.user.email, password)
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logger.debug("User {0} does not exist. Created the user. User id = {1}", request.user.email, user_id)
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except OpenNebulaException as err:
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messages.add_message(request, messages.ERROR,
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"Error : {0}".format(err))
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logger.error("Error : {0}".format(err))
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def set_field_html_name(cls, new_name):
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"""
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This creates wrapper around the normal widget rendering,
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allowing for a custom field name (new_name).
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"""
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old_render = cls.widget.render
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def _widget_render_wrapper(name, value, attrs=None):
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return old_render(new_name, value, attrs)
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cls.widget.render = _widget_render_wrapper
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class HostingManageVMForm(forms.Form):
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vm_templates = []
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VM_CHOICES = (('1', 'disk = 10GB, vcpu=1, ram=1GB'),
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('2', 'disk = 20GB, vcpu=2, ram=2GB'),
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('3', 'disk = 40GB, vcpu=4, ram=4GB'),
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('4', 'disk = 80GB, vcpu=8, ram=8GB'),
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('5', 'disk = 160GB, vcpu=16, ram=16GB'),
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('6', 'disk = 320GB, vcpu=32, ram=32GB'),
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('7', 'disk = 640GB, vcpu=64, ram=64GB'),
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('8', 'disk = 1280GB, vcpu=128, ram=128GB'))
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#for i in range(0,8):
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# factor = pow(2, i)
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# vm_templates.append(VMTemplate(i, VM_CHOICES[i], 10000 * factor, factor , 0.1 * factor, 1024 * factor))
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field = forms.ChoiceField(label="Choose a VM Template ", choices=VM_CHOICES, widget=forms.Select(attrs={"id": "vm_template"}))
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set_field_html_name(field, 'vm_template')
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class VMTemplate:
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"""A simple representation of a VM template.
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:param template_id: The id of the template
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:param label: A string representation describing the template. Used as the label in view
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:param disk: VM disk space in MB
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:param vcpu: Virtual cpu for the VM
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:param cpu: CPU for the VM
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:param ram: The RAM for the VM
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"""
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def __init__(self, template_id, label, disk, vcpu, cpu, ram):
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self.template_id = template_id
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self.label = label
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self.disk = disk
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self.vcpu = vcpu
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self.cpu = cpu
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# Returns random password that is needed by OpenNebula
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def get_random_password():
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@ -2,13 +2,9 @@
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{% block content %}
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<form action="{% url 'admin:createvm' %}" method="post">
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{% csrf_token %}
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<select id="vm_template" name="vm_template">
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<option value="select">Select a template</option>
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<option value="1">disk = 10GB, vcpu=0.1, ram=1GB</option>
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<option value="2">disk = 20GB, vcpu=0.2, ram=2GB</option>
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</select>
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<input type="submit" name="create_vm" value="Create VM" />
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{% csrf_token %}
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{{ form }}
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<input type="submit" name="create_vm" value="Create VM" />
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</form>
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{% if vms %}
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<section>
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@ -415,8 +415,9 @@ class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
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ordering = '-id'
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def get_queryset(self):
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hosting_admin = HostingManageVMAdmin.__new__(HostingManageVMAdmin)
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print(hosting_admin.show_vms_view(self.request))
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# hosting_admin = HostingManageVMAdmin.__new__(HostingManageVMAdmin)
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# print(hosting_admin.show_vms_view(self.request))
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print(VirtualMachinePlan.get_vms(self.request.user.email))
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user = self.request.user
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self.queryset = VirtualMachinePlan.objects.active(user)
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return super(VirtualMachinesPlanListView, self).get_queryset()
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