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Commit 64f0baeb by Dudás Ádám
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vm: move some code around

parent 0d322301
Showing with 116 additions and 100 deletions
circle/vm/models/__init__.py
# flake8: noqa
from .activity import NodeActivity
from .activity import InstanceActivity
from .activity import instance_activity
from .activity import NodeActivity
from .activity import node_activity
from .common import BaseResourceConfigModel
from .common import Lease
from .common import NamedBaseResourceConfig
from .common import Trait
from .instance import InstanceActiveManager
from .instance import BaseResourceConfigModel
from .instance import NamedBaseResourceConfig
from .instance import VirtualMachineDescModel
from .instance import InstanceTemplate
from .instance import Instance
......@@ -12,13 +15,12 @@ from .instance import post_state_changed
from .instance import pre_state_changed
from .network import InterfaceTemplate
from .network import Interface
from .node import Trait
from .node import Node
from .node import Lease
__all__ = [
'InstanceActivity', 'InstanceActiveManager', 'BaseResourceConfigModel',
'NamedBaseResourceConfig', 'VirtualMachineDescModel', 'InstanceTemplate',
'Instance', 'instance_activity', 'post_state_changed', 'pre_state_changed',
'InterfaceTemplate', 'Interface', 'Trait', 'Node', 'NodeActivity', 'Lease',
'node_activity',
]
circle/vm/models/activity.py
from __future__ import unicode_literals
from __future__ import absolute_import, unicode_literals
from contextlib import contextmanager
from logging import getLogger
......@@ -16,9 +16,9 @@ class InstanceActivity(ActivityModel):
verbose_name=_('instance'))
class Meta:
ordering = ['-started', 'instance', '-id']
app_label = 'vm'
db_table = 'vm_instanceactivity'
ordering = ['-started', 'instance', '-id']
def __unicode__(self):
if self.parent:
......
circle/vm/models/common.py 0 → 100644
from __future__ import absolute_import, unicode_literals
from datetime import timedelta
from django.db.models import Model, CharField, IntegerField
from django.utils.translation import ugettext_lazy as _
from model_utils.models import TimeStampedModel
ARCHITECTURES = (('x86_64', 'x86-64 (64 bit)'),
('i686', 'x86 (32 bit)'))
class BaseResourceConfigModel(Model):
"""Abstract base for models with base resource configuration parameters.
"""
num_cores = IntegerField(verbose_name=_('number of cores'),
help_text=_('Number of virtual CPU cores '
'available to the virtual machine.'))
ram_size = IntegerField(verbose_name=_('RAM size'),
help_text=_('Mebibytes of memory.'))
max_ram_size = IntegerField(verbose_name=_('maximal RAM size'),
help_text=_('Upper memory size limit '
'for balloning.'))
arch = CharField(max_length=10, verbose_name=_('architecture'),
choices=ARCHITECTURES)
priority = IntegerField(verbose_name=_('priority'),
help_text=_('CPU priority.'))
class Meta:
abstract = True
class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel):
"""Pre-created, named base resource configurations.
"""
name = CharField(max_length=50, unique=True,
verbose_name=_('name'), help_text=
_('Name of base resource configuration.'))
class Meta:
app_label = 'vm'
db_table = 'vm_namedbaseresourceconfig'
def __unicode__(self):
return self.name
class Lease(Model):
"""Lease times for VM instances.
Specifies a time duration until suspension and deletion of a VM
instance.
"""
name = CharField(max_length=100, unique=True,
verbose_name=_('name'))
suspend_interval_seconds = IntegerField(verbose_name=_('suspend interval'))
delete_interval_seconds = IntegerField(verbose_name=_('delete interval'))
class Meta:
app_label = 'vm'
db_table = 'vm_lease'
ordering = ['name', ]
@property
def suspend_interval(self):
return timedelta(seconds=self.suspend_interval_seconds)
@suspend_interval.setter
def suspend_interval(self, value):
self.suspend_interval_seconds = value.seconds
@property
def delete_interval(self):
return timedelta(seconds=self.delete_interval_seconds)
@delete_interval.setter
def delete_interval(self, value):
self.delete_interval_seconds = value.seconds
def __unicode__(self):
return self.name
class Trait(Model):
name = CharField(max_length=50, verbose_name=_('name'))
class Meta:
app_label = 'vm'
db_table = 'vm_trait'
def __unicode__(self):
return self.name
circle/vm/models/instance.py
from __future__ import unicode_literals
from __future__ import absolute_import, unicode_literals
from datetime import timedelta
from logging import getLogger
from importlib import import_module
import django.conf
from django.db.models import (Model, ForeignKey, ManyToManyField,
IntegerField, DateTimeField, BooleanField,
TextField, CharField, permalink, Manager)
from django.db.models import (BooleanField, CharField, DateTimeField,
IntegerField, ForeignKey, Manager,
ManyToManyField, permalink, TextField)
from django.contrib.auth.models import User
from django.core import signing
from django.dispatch import Signal
......@@ -19,9 +19,10 @@ from taggit.managers import TaggableManager
from acl.models import AclBase
from storage.models import Disk
from ..tasks import local_tasks, vm_tasks
from .node import Node, Trait
from .network import Interface
from .activity import instance_activity
from .common import BaseResourceConfigModel
from .network import Interface
from .node import Node, Trait
logger = getLogger(__name__)
pre_state_changed = Signal(providing_args=["new_state"])
......@@ -29,8 +30,6 @@ post_state_changed = Signal(providing_args=["new_state"])
pwgen = User.objects.make_random_password
scheduler = import_module(name=django.conf.settings.VM_SCHEDULER)
ARCHITECTURES = (('x86_64', 'x86-64 (64 bit)'),
('i686', 'x86 (32 bit)'))
ACCESS_PROTOCOLS = django.conf.settings.VM_ACCESS_PROTOCOLS
ACCESS_METHODS = [(key, name) for key, (name, port, transport)
in ACCESS_PROTOCOLS.iteritems()]
......@@ -53,39 +52,6 @@ class InstanceActiveManager(Manager):
self).get_query_set().filter(destroyed=None)
class BaseResourceConfigModel(Model):
"""Abstract base for models with base resource configuration parameters.
"""
num_cores = IntegerField(verbose_name=_('number of cores'),
help_text=_('Number of virtual CPU cores '
'available to the virtual machine.'))
ram_size = IntegerField(verbose_name=_('RAM size'),
help_text=_('Mebibytes of memory.'))
max_ram_size = IntegerField(verbose_name=_('maximal RAM size'),
help_text=_('Upper memory size limit '
'for balloning.'))
arch = CharField(max_length=10, verbose_name=_('architecture'),
choices=ARCHITECTURES)
priority = IntegerField(verbose_name=_('priority'),
help_text=_('CPU priority.'))
class Meta:
abstract = True
class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel):
"""Pre-created, named base resource configurations.
"""
name = CharField(max_length=50, unique=True,
verbose_name=_('name'), help_text=
_('Name of base resource configuration.'))
def __unicode__(self):
return self.name
class VirtualMachineDescModel(BaseResourceConfigModel):
"""Abstract base for virtual machine describing models.
......
circle/vm/models/network.py
from __future__ import unicode_literals
from __future__ import absolute_import, unicode_literals
from logging import getLogger
from netaddr import EUI, mac_unix
......
circle/vm/models/node.py
from __future__ import unicode_literals
from datetime import timedelta
from __future__ import absolute_import, unicode_literals
from logging import getLogger
from django.db.models import (
Model, CharField, IntegerField, ForeignKey, BooleanField, ManyToManyField,
CharField, IntegerField, ForeignKey, BooleanField, ManyToManyField,
FloatField,
)
from django.utils.translation import ugettext_lazy as _
......@@ -15,21 +14,11 @@ from taggit.managers import TaggableManager
from common.models import method_cache
from firewall.models import Host
from ..tasks import vm_tasks
from .common import Trait
logger = getLogger(__name__)
class Trait(Model):
name = CharField(max_length=50, verbose_name=_('name'))
class Meta:
app_label = 'vm'
db_table = 'vm_trait'
def __unicode__(self):
return self.name
class Node(TimeStampedModel):
"""A VM host machine, a hypervisor.
......@@ -135,40 +124,3 @@ class Node(TimeStampedModel):
for i in domains.keys():
logger.info('Node %s update: domain %s in libvirt but not in db.',
self, i)
class Lease(Model):
"""Lease times for VM instances.
Specifies a time duration until suspension and deletion of a VM
instance.
"""
name = CharField(max_length=100, unique=True,
verbose_name=_('name'))
suspend_interval_seconds = IntegerField(verbose_name=_('suspend interval'))
delete_interval_seconds = IntegerField(verbose_name=_('delete interval'))
class Meta:
app_label = 'vm'
db_table = 'vm_lease'
ordering = ['name', ]
@property
def suspend_interval(self):
return timedelta(seconds=self.suspend_interval_seconds)
@suspend_interval.setter
def suspend_interval(self, value):
self.suspend_interval_seconds = value.seconds
@property
def delete_interval(self):
return timedelta(seconds=self.delete_interval_seconds)
@delete_interval.setter
def delete_interval(self, value):
self.delete_interval_seconds = value.seconds
def __unicode__(self):
return self.name
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