def get_info(self, instance):
azure_name = self._get_omni_name_from_instance(instance)
azure_instance = utils.get_instance(self.compute_client,
drv_conf.resource_group,
azure_name)
state = self._get_power_state(azure_instance)
return hardware.InstanceInfo(state=state)
def spawn(self,
context,
instance,
image_meta,
injected_files,
admin_password,
network_info=None,
block_device_info=None):
"""Create a new instance/VM/domain on the virtualization platform.
Once this successfully completes, the instance should be
running (power_state.RUNNING). If this fails, any partial instance
should be completely cleaned up, and the virtualization platform should
be in the state that it was before this call began.
:param context: security context <Not Yet Implemented>
:param instance: nova.objects.instance.Instance
This function should use the data there to guide
the creation of the new instance.
:param image_meta: image object returned by nova.image.glance that
defines the image from which to boot this instance
:param injected_files: User files to inject into instance.
:param admin_password: set in instance. <Not Yet Implemented>
:param network_info:
:py:meth:`~nova.network.manager.NetworkManager.get_instance_nw_info`
:param block_device_info: Information about block devices to be
attached to the instance.
"""
vm_params = self._prepare_vm_params(instance, network_info,
admin_password)
name = self._azure_instance_name(instance)
LOG.info("Spawning vm %s with params %s" % (name, vm_params))
utils.create_or_update_instance(self.compute_client,
drv_conf.resource_group, name,
vm_params)
tags = {
'location': drv_conf.region,
'tags': {
'openstack_id': instance.uuid,
'openstack_project_id': context.project_id,
'openstack_user_id': context.user_id
}
}
utils.create_or_update_instance(self.compute_client,
drv_conf.resource_group, name, tags)
az_instance = utils.get_instance(self.compute_client,
drv_conf.resource_group, name)
self._uuid_to_omni_instance[instance.uuid] = az_instance
instance.metadata.update({
OMNI_NAME: name,
constants.OMNI_ID: az_instance.id
})
def attach_volume(self,
context,
connection_info,
instance,
mountpoint,
disk_bus=None,
device_type=None,
encryption=None):
"""Attach the disk to the instance at mountpoint using info."""
def _check_available_lun(data_disks):
# We can attach upto 16 data disks to an instance
luns = [i.lun for i in data_disks]
for i in range(1, 16):
if i not in luns:
return i
raise Exception("Could not attach volume")
volume_data = connection_info['data']
azure_name = self._get_omni_name_from_instance(instance)
azure_instance = utils.get_instance(self.compute_client,
drv_conf.resource_group,
azure_name)
data_disks = azure_instance.storage_profile.data_disks
lun = _check_available_lun(data_disks)
name = volume_data['name']
id = volume_data['id']
data_disk = {
'name': name,
'create_option': 'attach',
'lun': lun,
'managed_disk': {
'id': id
}
}
data_disks.append(data_disk)
utils.create_or_update_instance(self.compute_client,
drv_conf.resource_group, azure_name,
azure_instance)
LOG.info("Attached volume %s to instance %s" % (name, instance.uuid))
def detach_volume(self,
connection_info,
instance,
mountpoint,
encryption=None):
"""Detach the disk attached to the instance."""
volume_data = connection_info['data']
azure_name = self._get_omni_name_from_instance(instance)
azure_instance = utils.get_instance(
self.compute_client, drv_conf.resource_group, azure_name)
data_disks = azure_instance.storage_profile.data_disks
name = volume_data['name']
filtered_disks = [disk for disk in data_disks if disk.name != name]
if len(filtered_disks) == len(data_disks):
LOG.error("Volume %s was not attached to instance %s" %
(name, instance.uuid))
return
azure_instance.storage_profile.data_disks = filtered_disks
utils.create_or_update_instance(self.compute_client,
drv_conf.resource_group, azure_name,
azure_instance)
LOG.info("Detached volume %s from instance %s" % (name, instance.uuid))
