Merge pull request #226 from levivm/opennebula-integration
added opennebula manager claass
This commit is contained in:
Levi Velázquez
GitHub
commit
d8b073653c
4 changed files with 180 additions and 83 deletions
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@ -4,6 +4,7 @@ import oca
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from django.utils.functional import cached_property
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from hosting.opennebula_functions import OpenNebulaManager
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from django.conf import settings
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@ -174,79 +175,38 @@ 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_vm(self, email, vm_id):
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# Get opennebula client
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opennebula_client = OpenNebulaManager()
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# Get vm given the id
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vm = opennebula_client.get_vm(
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email,
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vm_id
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)
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# Parse vm data
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vm_data = OpenNebulaManager.parse_vm(vm)
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return vm_data
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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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# Get opennebula client
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opennebula_client = OpenNebulaManager()
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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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# Get vm pool
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vm_pool = opennebula_client.get_vms(email)
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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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vm_data = OpenNebulaManager.parse_vm(vm)
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vms.append(vm_data)
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# self.total_price += price
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# self.save()
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return vms
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@ -19,6 +19,94 @@ from django import forms
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logger = logging.getLogger(__name__)
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class OpenNebulaManager:
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VM_STATE = {
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'0': 'INIT',
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'1': 'PENDING',
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'2': 'HOLD',
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'3': 'ACTIVE',
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'4': 'STOPPED',
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'5': 'SUSPENDED',
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'6': 'DONE',
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'8': 'POWEROFF',
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'9': 'UNDEPLOYED',
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'10': 'CLONING',
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'11': 'CLONING_FAILURE',
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}
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def __init__(self):
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self.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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@classmethod
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def get_vm_state(self, state):
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return self.VM_STATE.get(str(state))
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@classmethod
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def parse_vm(self, vm):
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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_data = {}
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vm_data['name'] = name
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vm_data['price'] = price
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vm_data['disk_size'] = disk_size
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vm_data['cores'] = cores
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vm_data['memory'] = memory
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vm_data['deploy_id'] = vm.deploy_id
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vm_data['id'] = vm.id
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vm_data['state'] = self.get_vm_state(vm.state)
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return vm_data
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def get_vm(self, email, vm_id):
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# Get vm's
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vms = self.get_vms(email)
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# Filter vm by given id
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return vms.get_by_id(int(vm_id))
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def get_vms(self, email):
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client = self.client
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# Get open nebula user id for given email
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user_pool = oca.UserPool(client)
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user_pool.info()
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# TODO: handle potential name error
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user_id = user_pool.get_by_name(email).id
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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()
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# TODO: this is just to test with oneadmin user, remove this
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user_id = 0
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vm_pool.info(filter=user_id)
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return vm_pool
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class HostingManageVMAdmin(admin.ModelAdmin):
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client = None
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oneadmin_client = None
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@ -20,18 +20,18 @@
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</tr>
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</thead>
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<tbody>
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{% for vm in vms %}
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{% for vm in vms_opennebula %}
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<tr>
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<td scope="row">{{vm.name}}</td>
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<td scope="row">{{vm.deploy_id}}</td>
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<td>{{vm.price}} CHF</td>
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<td>
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{% if vm.status == 'pending' %}
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<span class="h3 label label-warning"><strong>{{vm.get_status_display}}</strong></span>
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{% elif vm.status == 'online' %}
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<span class="h3 label label-success"><strong>{{vm.get_status_display}}</strong></span>
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{% if vm.state == 'ACTIVE' %}
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<span class="h3 label label-success"><strong> {{vm.state}}</strong></span>
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{% elif vm.state == 'POWEROFF' %}
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<span class="h3 label label-danger"><strong>{{vm.state}}</strong></span>
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{% else %}
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<span class="h3 label label-danger"><strong>{{vm.get_status_display}}</strong></span>
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<span class="h3 label label-warning"><strong>{{vm.state}}</strong></span>
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{% endif %}
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</td>
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@ -1,6 +1,7 @@
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from collections import namedtuple
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from django.shortcuts import render
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from django.http import Http404
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from django.core.urlresolvers import reverse_lazy, reverse
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.views.generic import View, CreateView, FormView, ListView, DetailView,\
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@ -411,6 +412,13 @@ class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
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paginate_by = 10
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ordering = '-id'
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def get_context_data(self, **kwargs):
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context = super(VirtualMachinesPlanListView, self).get_context_data(**kwargs)
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context.update({
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'vms_opennebula': VirtualMachinePlan.get_vms(self.request.user.email)
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})
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return context
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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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@ -455,19 +463,60 @@ class CreateVirtualMachinesView(LoginRequiredMixin, View):
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# return super(VirtualMachinesPlanListView, self).get_queryset()
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class VirtualMachineView(PermissionRequiredMixin, LoginRequiredMixin, UpdateView):
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class VirtualMachineView(PermissionRequiredMixin, LoginRequiredMixin, View):
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template_name = "hosting/virtual_machine_detail.html"
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login_url = reverse_lazy('hosting:login')
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model = VirtualMachinePlan
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context_object_name = "virtual_machine"
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# model = VirtualMachinePlan
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# context_object_name = "virtual_machine"
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permission_required = ['view_virtualmachineplan', 'cancel_virtualmachineplan']
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fields = '__all__'
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# fields = '__all__'
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def get_success_url(self):
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vm = self.get_object()
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final_url = "%s%s" % (reverse('hosting:virtual_machines', kwargs={'pk': vm.id}),
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'#status-v')
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return final_url
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# def get_context_data(self, **kwargs):
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# vm_plan = get_object()
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# context = super(VirtualMachineView, self).get_context_data(**kwargs)
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# context.update({
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# 'opennebula_vm': VirtualMachinePlan.get_vm(
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# self.request.user.email,
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# opennebula_id
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# )
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# })
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# return context
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# def get_object(self, queryset=None):
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# # if queryset is None:
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# # queryset = self.get_queryset()
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# # Next, try looking up by primary key.
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# vm_id = self.kwargs.get(self.pk_url_kwarg)
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# try:
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# return VirtualMachinePlan.get_vm(
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# self.request.user.email,
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# vm_id
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# )
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# except Exception as error:
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# raise Http404()
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# def get_success_url(self):
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# vm = self.get_object()
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# final_url = "%s%s" % (reverse('hosting:virtual_machines', kwargs={'pk': vm.id}),
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# '#status-v')
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# return final_url
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def get(self, request, *args, **kwargs):
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vm_id = self.kwargs.get('pk', 24)
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try:
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opennebula_vm = VirtualMachinePlan.get_vm(
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self.request.user.email,
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vm_id
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)
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except Exception as error:
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print(error)
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raise Http404()
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context = {
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'virtual_machine': opennebula_vm,
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}
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# context = {}
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return render(request, self.template_name, context)
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def post(self, *args, **kwargs):
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vm = self.get_object()
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