def consume_from_instance(self, instance):
"""Incrementally update host state from an instance."""
disk_mb = (instance['root_gb'] + instance['ephemeral_gb']) * 1024
ram_mb = instance['memory_mb']
vcpus = instance['vcpus']
self.free_ram_mb -= ram_mb
self.free_disk_mb -= disk_mb
self.vcpus_used += vcpus
self.updated = timeutils.utcnow()
# Track number of instances on host
self.num_instances += 1
pci_requests = pci_request.get_instance_pci_requests(instance)
if pci_requests and self.pci_stats:
self.pci_stats.apply_requests(pci_requests)
vm_state = instance.get('vm_state', vm_states.BUILDING)
task_state = instance.get('task_state')
if vm_state == vm_states.BUILDING or task_state in [
task_states.RESIZE_MIGRATING, task_states.REBUILDING,
task_states.RESIZE_PREP, task_states.IMAGE_SNAPSHOT,
task_states.IMAGE_BACKUP, task_states.UNSHELVING,
task_states.RESCUING
]:
self.num_io_ops += 1
def _test_pci(self):
pci_requests = pci_request.get_instance_pci_requests(self.instance)
if pci_requests:
can_claim = self.tracker.pci_tracker.stats.support_requests(pci_requests)
if not can_claim:
return _("Claim pci failed.")
def _test_pci(self):
pci_requests = pci_request.get_instance_pci_requests(
self.instance, 'new_')
if not pci_requests:
return True
return self.tracker.pci_tracker.stats.support_requests(pci_requests)
def consume_from_instance(self, instance):
"""Incrementally update host state from an instance."""
disk_mb = (instance['root_gb'] + instance['ephemeral_gb']) * 1024
ram_mb = instance['memory_mb']
vcpus = instance['vcpus']
self.free_ram_mb -= ram_mb
self.free_disk_mb -= disk_mb
self.vcpus_used += vcpus
self.updated = timeutils.utcnow()
# Track number of instances on host
self.num_instances += 1
pci_requests = pci_request.get_instance_pci_requests(instance)
if pci_requests and self.pci_stats:
self.pci_stats.apply_requests(pci_requests)
vm_state = instance.get('vm_state', vm_states.BUILDING)
task_state = instance.get('task_state')
if vm_state == vm_states.BUILDING or task_state in [
task_states.RESIZE_MIGRATING, task_states.REBUILDING,
task_states.RESIZE_PREP, task_states.IMAGE_SNAPSHOT,
task_states.IMAGE_BACKUP, task_states.UNSHELVING,
task_states.RESCUING]:
self.num_io_ops += 1
def _test_pci(self):
pci_requests = pci_request.get_instance_pci_requests(
self.instance, 'new_')
if not pci_requests:
return True
return self.tracker.pci_tracker.stats.support_requests(pci_requests)
def _test_pci(self):
pci_requests = pci_request.get_instance_pci_requests(
self.instance, 'new_')
if pci_requests:
claim = self.tracker.pci_tracker.stats.support_requests(
pci_requests)
if not claim:
return _('Claim pci failed.')
def _test_pci(self):
pci_requests = pci_request.get_instance_pci_requests(
self.instance, 'new_')
if pci_requests:
claim = self.tracker.pci_tracker.stats.support_requests(
pci_requests)
if not claim:
return _('Claim pci failed.')
def _claim_instance(self, instance, prefix=''):
pci_requests = pci_request.get_instance_pci_requests(instance, prefix)
if not pci_requests:
return None
devs = self.stats.consume_requests(pci_requests)
if not devs:
raise exception.PciDeviceRequestFailed(pci_requests)
for dev in devs:
pci_device.claim(dev, instance)
return devs
def _claim_instance(self, instance, prefix=""):
pci_requests = pci_request.get_instance_pci_requests(instance, prefix)
if not pci_requests:
return None
devs = self.get_free_devices_for_requests(pci_requests)
if not devs:
raise exception.PciDeviceRequestFailed(pci_requests)
for dev in devs:
dev.claim(instance)
self.stats.consume_device(dev)
return devs
def _claim_instance(self, instance, prefix=''):
pci_requests = pci_request.get_instance_pci_requests(
instance, prefix)
if not pci_requests:
return None
devs = self.stats.consume_requests(pci_requests)
if not devs:
raise exception.PciDeviceRequestFailed(pci_requests)
for dev in devs:
pci_device.claim(dev, instance)
return devs
def consume_from_instance(self, instance):
"""Incrementally update host state from an instance."""
disk_mb = (instance["root_gb"] + instance["ephemeral_gb"]) * 1024
ram_mb = instance["memory_mb"]
vcpus = instance["vcpus"]
self.free_ram_mb -= ram_mb
self.free_disk_mb -= disk_mb
self.vcpus_used += vcpus
self.updated = timeutils.utcnow()
# Track number of instances on host
self.num_instances += 1
# Track number of instances by project_id
project_id = instance.get("project_id")
if project_id not in self.num_instances_by_project:
self.num_instances_by_project[project_id] = 0
self.num_instances_by_project[project_id] += 1
# Track number of instances in certain vm_states
vm_state = instance.get("vm_state", vm_states.BUILDING)
if vm_state not in self.vm_states:
self.vm_states[vm_state] = 0
self.vm_states[vm_state] += 1
# Track number of instances in certain task_states
task_state = instance.get("task_state")
if task_state not in self.task_states:
self.task_states[task_state] = 0
self.task_states[task_state] += 1
# Track number of instances by host_type
os_type = instance.get("os_type")
if os_type not in self.num_instances_by_os_type:
self.num_instances_by_os_type[os_type] = 0
self.num_instances_by_os_type[os_type] += 1
pci_requests = pci_request.get_instance_pci_requests(instance)
if pci_requests and self.pci_stats:
self.pci_stats.apply_requests(pci_requests)
vm_state = instance.get("vm_state", vm_states.BUILDING)
task_state = instance.get("task_state")
if vm_state == vm_states.BUILDING or task_state in [
task_states.RESIZE_MIGRATING,
task_states.REBUILDING,
task_states.RESIZE_PREP,
task_states.IMAGE_SNAPSHOT,
task_states.IMAGE_BACKUP,
]:
self.num_io_ops += 1
def consume_from_instance(self, instance):
"""Incrementally update host state from an instance."""
disk_mb = (instance['root_gb'] + instance['ephemeral_gb']) * 1024
ram_mb = instance['memory_mb']
vcpus = instance['vcpus']
self.free_ram_mb -= ram_mb
self.free_disk_mb -= disk_mb
self.vcpus_used += vcpus
self.updated = timeutils.utcnow()
# Track number of instances on host
self.num_instances += 1
# Track number of instances by project_id
project_id = instance.get('project_id')
if project_id not in self.num_instances_by_project:
self.num_instances_by_project[project_id] = 0
self.num_instances_by_project[project_id] += 1
# Track number of instances in certain vm_states
vm_state = instance.get('vm_state', vm_states.BUILDING)
if vm_state not in self.vm_states:
self.vm_states[vm_state] = 0
self.vm_states[vm_state] += 1
# Track number of instances in certain task_states
task_state = instance.get('task_state')
if task_state not in self.task_states:
self.task_states[task_state] = 0
self.task_states[task_state] += 1
# Track number of instances by host_type
os_type = instance.get('os_type')
if os_type not in self.num_instances_by_os_type:
self.num_instances_by_os_type[os_type] = 0
self.num_instances_by_os_type[os_type] += 1
pci_requests = pci_request.get_instance_pci_requests(instance)
if pci_requests and self.pci_stats:
self.pci_stats.apply_requests(pci_requests)
vm_state = instance.get('vm_state', vm_states.BUILDING)
task_state = instance.get('task_state')
if vm_state == vm_states.BUILDING or task_state in [
task_states.RESIZE_MIGRATING, task_states.REBUILDING,
task_states.RESIZE_PREP, task_states.IMAGE_SNAPSHOT,
task_states.IMAGE_LIVE_SNAPSHOT, task_states.IMAGE_BACKUP
]:
self.num_io_ops += 1
def test_get_instance_pci_requests_prefix(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
expect_request = [{
'count': 3,
'spec': [{'vendor_id': '8086', 'product_id': '4443',
'device_type': "ACCEL",
'capability_type': 'pci'}],
'alias_name': 'QuicAssist'}]
instance = {"system_metadata": {"new_pci_requests":
jsonutils.dumps(expect_request)}}
requests = pci_request.get_instance_pci_requests(instance, 'new_')
exp_real = zip(expect_request, requests)
for exp, real in exp_real:
self.assertEqual(real, exp)
def test_get_instance_pci_requests_prefix(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
expect_request = [{
'count': 3,
'spec': [{'vendor_id': '8086', 'product_id': '4443',
'device_type': "ACCEL",
'capability_type': 'pci'}],
'alias_name': 'QuicAssist'}]
instance = {"system_metadata": {"new_pci_requests":
jsonutils.dumps(expect_request)}}
requests = pci_request.get_instance_pci_requests(instance, 'new_')
exp_real = zip(expect_request, requests)
for exp, real in exp_real:
self.assertEqual(real, exp)
def test_get_instance_pci_requests_no_request(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
instance = {'system_metadata': {'a': 'b'}}
requests = pci_request.get_instance_pci_requests(instance)
self.assertEqual([], requests)
def test_get_instance_pci_requests_no_meta(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
instance = {}
requests = pci_request.get_instance_pci_requests(instance)
self.assertEqual([], requests)
def test_get_instance_pci_requests_no_request(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
instance = {'system_metadata': {'a': 'b'}}
requests = pci_request.get_instance_pci_requests(instance)
self.assertEqual([], requests)
def test_get_instance_pci_requests_no_meta(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
instance = {}
requests = pci_request.get_instance_pci_requests(instance)
self.assertEqual([], requests)
