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Commit e5e57a40 by Őry Máté
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vm: reformat models

parent 31196920
Showing with 161 additions and 108 deletions
circle/circle/settings/base.py
...@@ -298,8 +298,7 @@ CRISPY_TEMPLATE_PACK = 'bootstrap3' ...@@ -298,8 +298,7 @@ CRISPY_TEMPLATE_PACK = 'bootstrap3'
# format: id: (name, port, protocol) # format: id: (name, port, protocol)
VM_ACCESS_PROTOCOLS = loads(get_env_variable('DJANGO_VM_ACCESS_PROTOCOLS', VM_ACCESS_PROTOCOLS = loads(get_env_variable('DJANGO_VM_ACCESS_PROTOCOLS',
'''{"nx": ["nx", 22, "tcp"], '''{"nx": ["NX", 22, "tcp"],
"rdp": ["rdp", 3389, "tcp"], "rdp": ["RDP", 3389, "tcp"],
"ssh": ["ssh", 22, "tcp"]}''')) "ssh": ["SSH", 22, "tcp"]}'''))
VM_SCHEDULER = 'manager.scheduler' VM_SCHEDULER = 'manager.scheduler'
circle/vm/models.py
...@@ -4,7 +4,9 @@ import logging ...@@ -4,7 +4,9 @@ import logging
import django.conf import django.conf
from django.contrib.auth.models import User from django.contrib.auth.models import User
from django.db import models from django.db.models import (Model, ForeignKey, ManyToManyField, IntegerField,
DateTimeField, BooleanField, TextField,
CharField, permalink)
from django.db.models.signals import pre_delete from django.db.models.signals import pre_delete
from django.dispatch import receiver from django.dispatch import receiver
from django.utils import timezone from django.utils import timezone
...@@ -22,22 +24,34 @@ logger = logging.getLogger(__name__) ...@@ -22,22 +24,34 @@ logger = logging.getLogger(__name__)
pwgen = User.objects.make_random_password pwgen = User.objects.make_random_password
scheduler = import_module(name=django.conf.settings.VM_SCHEDULER) scheduler = import_module(name=django.conf.settings.VM_SCHEDULER)
ACCESS_PROTOCOLS = django.conf.settings.VM_ACCESS_PROTOCOLS ACCESS_PROTOCOLS = django.conf.settings.VM_ACCESS_PROTOCOLS
ACCESS_METHODS = [(k, ap[0]) for k, ap in ACCESS_PROTOCOLS.iteritems()] ACCESS_METHODS = [(key, name) for key, (name, port, transport)
in ACCESS_PROTOCOLS.iteritems()]
ARCHITECTURES = (('x86_64', 'x86-64 (64 bit)'),
('i686', 'x86 (32 bit)'))
class BaseResourceConfigModel(models.Model): class BaseResourceConfigModel(Model):
"""Abstract base class for models with base resource configuration """Abstract base class for models with base resource configuration
parameters. parameters.
""" """
num_cores = models.IntegerField(help_text=_('Number of CPU cores.')) num_cores = IntegerField(verbose_name=_('number of cores'),
ram_size = models.IntegerField(help_text=_('Mebibytes of memory.')) help_text=_('Number of virtual CPU cores '
max_ram_size = models.IntegerField(help_text=_('Upper memory size limit ' 'available to the virtual machine.'))
'for balloning.')) ram_size = IntegerField(verbose_name=_('RAM size'),
arch = models.CharField(max_length=10, verbose_name=_('architecture')) help_text=_('Mebibytes of memory.'))
priority = models.IntegerField(help_text=_('instance priority')) max_ram_size = IntegerField(verbose_name=_('maximal RAM size'),
boot_menu = models.BooleanField(default=False) help_text=_('Upper memory size limit '
raw_data = models.TextField(blank=True) 'for balloning.'))
arch = CharField(max_length=10, verbose_name=_('architecture'),
choices=ARCHITECTURES)
priority = IntegerField(verbose_name=_('priority'),
help_text=_('CPU priority.'))
boot_menu = BooleanField(verbose_name=_('boot menu'), default=False,
help_text=_(
'Show boot device selection menu on boot.'))
raw_data = TextField(verbose_name=_('raw_data'), blank=True, help_text=_(
'Additional libvirt domain parameters in XML format.'))
class Meta: class Meta:
abstract = True abstract = True
...@@ -47,8 +61,9 @@ class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel): ...@@ -47,8 +61,9 @@ class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel):
"""Pre-created, named base resource configurations. """Pre-created, named base resource configurations.
""" """
name = models.CharField(max_length=50, unique=True, name = CharField(max_length=50, unique=True,
verbose_name=_('name')) verbose_name=_('name'), help_text=
_('Name of base resource configuration.'))
def __unicode__(self): def __unicode__(self):
return self.name return self.name
...@@ -56,17 +71,23 @@ class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel): ...@@ -56,17 +71,23 @@ class NamedBaseResourceConfig(BaseResourceConfigModel, TimeStampedModel):
class Node(TimeStampedModel): class Node(TimeStampedModel):
"""A VM host machine. """A VM host machine, a hypervisor.
""" """
name = models.CharField(max_length=50, unique=True, name = CharField(max_length=50, unique=True,
verbose_name=_('name')) verbose_name=_('name'),
num_cores = models.IntegerField(help_text=_('Number of CPU cores.')) help_text=_('Human readable name of node.'))
ram_size = models.IntegerField(help_text=_('Mebibytes of memory.')) num_cores = IntegerField(verbose_name=_('number of cores'),
priority = models.IntegerField(help_text=_('node usage priority')) help_text=_('Number of CPU threads '
host = models.ForeignKey(Host) 'available to the virtual machines.'))
enabled = models.BooleanField(default=False, ram_size = IntegerField(verbose_name=_('RAM size'),
help_text=_('Indicates whether the node can ' help_text=_('Mebibytes of memory.'))
'be used for hosting.')) priority = IntegerField(verbose_name=_('priority'),
help_text=_('Node usage priority.'))
host = ForeignKey(Host, verbose_name=_('host'),
help_text=_('Host in firewall.'))
enabled = BooleanField(verbose_name=_('enabled'), default=False,
help_text=_('Indicates whether the node can '
'be used for hosting.'))
class Meta: class Meta:
permissions = () permissions = ()
...@@ -82,28 +103,39 @@ class Node(TimeStampedModel): ...@@ -82,28 +103,39 @@ class Node(TimeStampedModel):
class NodeActivity(TimeStampedModel): class NodeActivity(TimeStampedModel):
activity_code = models.CharField(max_length=100) activity_code = CharField(verbose_name=_('activity code'),
task_uuid = models.CharField(blank=True, max_length=50, null=True, max_length=100) # TODO
unique=True) task_uuid = CharField(verbose_name=_('task_uuid'), blank=True,
node = models.ForeignKey(Node, related_name='activity_log') max_length=50, null=True, unique=True, help_text=_(
user = models.ForeignKey(User, blank=True, null=True) 'Celery task unique identifier.'))
started = models.DateTimeField(blank=True, null=True) node = ForeignKey(Node, verbose_name=_('node'),
finished = models.DateTimeField(blank=True, null=True) related_name='activity_log',
result = models.TextField(blank=True, null=True) help_text=_('Node this activity works on.'))
status = models.CharField(default='PENDING', max_length=50) user = ForeignKey(User, verbose_name=_('user'), blank=True, null=True,
help_text=_('The person who started this activity.'))
started = DateTimeField(verbose_name=_('started at'),
class Lease(models.Model): blank=True, null=True,
help_text=_('Time of activity initiation.'))
finished = DateTimeField(verbose_name=_('finished at'),
blank=True, null=True,
help_text=_('Time of activity finalization.'))
result = TextField(verbose_name=_('result'), blank=True, null=True,
help_text=_('Human readable result of activity.'))
status = CharField(verbose_name=_('status'), default='PENDING',
max_length=50, help_text=_('Actual state of activity'))
class Lease(Model):
"""Lease times for VM instances. """Lease times for VM instances.
Specifies a time duration until suspension and deletion of a VM Specifies a time duration until suspension and deletion of a VM
instance. instance.
""" """
name = models.CharField(max_length=100, unique=True, name = CharField(max_length=100, unique=True,
verbose_name=_('name')) verbose_name=_('name'))
suspend_interval_seconds = models.IntegerField() suspend_interval_seconds = IntegerField(verbose_name=_('suspend interval'))
delete_interval_seconds = models.IntegerField() delete_interval_seconds = IntegerField(verbose_name=_('delete interval'))
class Meta: class Meta:
ordering = ['name', ] ordering = ['name', ]
...@@ -144,27 +176,31 @@ class InstanceTemplate(BaseResourceConfigModel, TimeStampedModel): ...@@ -144,27 +176,31 @@ class InstanceTemplate(BaseResourceConfigModel, TimeStampedModel):
* lease times (suspension & deletion) * lease times (suspension & deletion)
* time of creation and last modification * time of creation and last modification
""" """
STATES = [('NEW', _('new')), # template has just been created STATES = [('NEW', _('new')), # template has just been created
('SAVING', _('saving')), # changes are being saved ('SAVING', _('saving')), # changes are being saved
('READY', _('ready'))] # template is ready for instantiation ('READY', _('ready'))] # template is ready for instantiation
name = models.CharField(max_length=100, unique=True, name = CharField(max_length=100, unique=True,
verbose_name=_('name')) verbose_name=_('name'),
description = models.TextField(verbose_name=_('description'), help_text=_('Human readable name of template.'))
blank=True) description = TextField(verbose_name=_('description'), blank=True)
parent = models.ForeignKey('self', null=True, blank=True, parent = ForeignKey('self', null=True, blank=True,
verbose_name=_('parent template')) verbose_name=_('parent template'),
system = models.TextField(verbose_name=_('operating system'), help_text=_('Template which this one is derived of.'))
blank=True, system = TextField(verbose_name=_('operating system'),
help_text=(_('Name of operating system in ' blank=True,
'format like "%s".') % help_text=(_('Name of operating system in '
'Ubuntu 12.04 LTS Desktop amd64')) 'format like "%s".') %
access_method = models.CharField(max_length=10, choices=ACCESS_METHODS, 'Ubuntu 12.04 LTS Desktop amd64'))
verbose_name=_('access method')) access_method = CharField(max_length=10, choices=ACCESS_METHODS,
state = models.CharField(max_length=10, choices=STATES, verbose_name=_('access method'),
default='NEW') help_text=_('Primary remote access method.'))
disks = models.ManyToManyField(Disk, verbose_name=_('disks'), state = CharField(max_length=10, choices=STATES, default='NEW')
related_name='template_set') disks = ManyToManyField(Disk, verbose_name=_('disks'),
lease = models.ForeignKey(Lease, related_name='template_set') related_name='template_set',
help_text=_('Disks which are to be mounted.'))
lease = ForeignKey(Lease, related_name='template_set',
verbose_name=_('lease'),
help_text=_('Expiration times.'))
class Meta: class Meta:
ordering = ['name', ] ordering = ['name', ]
...@@ -190,16 +226,20 @@ class InstanceTemplate(BaseResourceConfigModel, TimeStampedModel): ...@@ -190,16 +226,20 @@ class InstanceTemplate(BaseResourceConfigModel, TimeStampedModel):
return 'linux' return 'linux'
class InterfaceTemplate(models.Model): class InterfaceTemplate(Model):
"""Network interface template for an instance template. """Network interface template for an instance template.
If the interface is managed, a host will be created for it. If the interface is managed, a host will be created for it.
""" """
vlan = models.ForeignKey(Vlan) vlan = ForeignKey(Vlan, verbose_name=_('vlan'),
managed = models.BooleanField(default=True) help_text=_('Network the interface belongs to.'))
template = models.ForeignKey(InstanceTemplate, managed = BooleanField(verbose_name=_('managed'), default=True,
related_name='interface_set') help_text=_('If a firewall host (i.e. IP address '
'association) should be generated.'))
template = ForeignKey(InstanceTemplate, verbose_name=_('template'),
related_name='interface_set',
help_text=_())
class Meta: class Meta:
permissions = () permissions = ()
...@@ -233,32 +273,42 @@ class Instance(BaseResourceConfigModel, TimeStampedModel): ...@@ -233,32 +273,42 @@ class Instance(BaseResourceConfigModel, TimeStampedModel):
('SHUTOFF', _('shutoff')), ('SHUTOFF', _('shutoff')),
('CRASHED', _('crashed')), ('CRASHED', _('crashed')),
('PMSUSPENDED', _('pmsuspended'))] # libvirt domain states ('PMSUSPENDED', _('pmsuspended'))] # libvirt domain states
name = models.CharField(blank=True, max_length=100, verbose_name=_('name')) name = CharField(blank=True, max_length=100, verbose_name=_('name'),
description = models.TextField(blank=True, verbose_name=_('description')) help_text=_('Human readable name of instance.'))
template = models.ForeignKey(InstanceTemplate, blank=True, null=True, description = TextField(blank=True, verbose_name=_('description'))
related_name='instance_set', template = ForeignKey(InstanceTemplate, blank=True, null=True,
verbose_name=_('template')) related_name='instance_set',
pw = models.CharField(help_text=_('Original password of instance'), help_text=_('Template the instance derives from.'),
max_length=20, verbose_name=_('password')) verbose_name=_('template'))
time_of_suspend = models.DateTimeField(blank=True, default=None, null=True, pw = CharField(help_text=_('Original password of the instance.'),
verbose_name=_('time of suspend')) max_length=20, verbose_name=_('password'))
time_of_delete = models.DateTimeField(blank=True, default=None, null=True, time_of_suspend = DateTimeField(blank=True, default=None, null=True,
verbose_name=_('time of delete')) verbose_name=_('time of suspend'),
active_since = models.DateTimeField(blank=True, null=True, help_text=_('Proposed time of automatic '
help_text=_('Time stamp of successful ' 'suspension.'))
'boot report.'), time_of_delete = DateTimeField(blank=True, default=None, null=True,
verbose_name=_('active since')) verbose_name=_('time of delete'),
node = models.ForeignKey(Node, blank=True, null=True, help_text=_('Proposed time of automatic '
related_name='instance_set', 'suspension.'))
verbose_name=_('host node')) active_since = DateTimeField(blank=True, null=True,
state = models.CharField(choices=STATES, default='NOSTATE', max_length=20) help_text=_('Time stamp of successful '
disks = models.ManyToManyField(Disk, related_name='instance_set', 'boot report.'),
verbose_name=_('disks')) verbose_name=_('active since'))
lease = models.ForeignKey(Lease) node = ForeignKey(Node, blank=True, null=True,
access_method = models.CharField(max_length=10, choices=ACCESS_METHODS, related_name='instance_set',
verbose_name=_('access method')) help_text=_('Current hypervisor of this instance.'),
vnc_port = models.IntegerField() verbose_name=_('host node'))
owner = models.ForeignKey(User) state = CharField(choices=STATES, default='NOSTATE', max_length=20)
disks = ManyToManyField(Disk, related_name='instance_set',
help_text=_('Set of mounted disks.'),
verbose_name=_('disks'))
lease = ForeignKey(Lease, help_text=_('Preferred expiration periods.'))
access_method = CharField(max_length=10, choices=ACCESS_METHODS,
help_text=_('Primary remote access method.'),
verbose_name=_('access method'))
vnc_port = IntegerField(verbose_name=_('vnc_port'),
help_text=_('TCP port where VNC console listens.'))
owner = ForeignKey(User)
class Meta: class Meta:
ordering = ['pk', ] ordering = ['pk', ]
...@@ -307,7 +357,7 @@ class Instance(BaseResourceConfigModel, TimeStampedModel): ...@@ -307,7 +357,7 @@ class Instance(BaseResourceConfigModel, TimeStampedModel):
return inst return inst
@models.permalink @permalink
def get_absolute_url(self): def get_absolute_url(self):
return ('dashboard.views.detail', None, {'id': self.id}) return ('dashboard.views.detail', None, {'id': self.id})
...@@ -560,15 +610,17 @@ def delete_instance_pre(sender, instance, using, **kwargs): ...@@ -560,15 +610,17 @@ def delete_instance_pre(sender, instance, using, **kwargs):
class InstanceActivity(TimeStampedModel): class InstanceActivity(TimeStampedModel):
activity_code = models.CharField(max_length=100) activity_code = CharField(verbose_name=_('activity_code'), max_length=100)
task_uuid = models.CharField(blank=True, max_length=50, null=True, task_uuid = CharField(verbose_name=_('task_uuid'), blank=True,
unique=True) max_length=50, null=True, unique=True)
instance = models.ForeignKey(Instance, related_name='activity_log') instance = ForeignKey(Instance, verbose_name=_('instance'),
user = models.ForeignKey(User, blank=True, null=True) related_name='activity_log')
started = models.DateTimeField(blank=True, null=True) user = ForeignKey(User, verbose_name=_('user'), blank=True, null=True)
finished = models.DateTimeField(blank=True, null=True) started = DateTimeField(verbose_name=_('started'), blank=True, null=True)
result = models.TextField(blank=True, null=True) finished = DateTimeField(verbose_name=_('finished'), blank=True, null=True)
state = models.CharField(default='PENDING', max_length=50) result = TextField(verbose_name=_('result'), blank=True, null=True)
state = CharField(verbose_name=_('state'),
default='PENDING', max_length=50)
def update_state(self, new_state): def update_state(self, new_state):
self.state = new_state self.state = new_state
...@@ -581,13 +633,15 @@ class InstanceActivity(TimeStampedModel): ...@@ -581,13 +633,15 @@ class InstanceActivity(TimeStampedModel):
self.save() self.save()
class Interface(models.Model): class Interface(Model):
"""Network interface for an instance. """Network interface for an instance.
""" """
vlan = models.ForeignKey(Vlan, related_name="vm_interface") vlan = ForeignKey(Vlan, verbose_name=_('vlan'),
host = models.ForeignKey(Host, blank=True, null=True) related_name="vm_interface")
instance = models.ForeignKey(Instance, related_name='interface_set') host = ForeignKey(Host, verbose_name=_('host'), blank=True, null=True)
instance = ForeignKey(Instance, verbose_name=_('instance'),
related_name='interface_set')
@property @property
def mac(self): def mac(self):
......
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