def _parse_node_properties(self, node):
"""Helper method to parse the node's properties."""
properties = {}
for prop in ("cpus", "memory_mb", "local_gb"):
try:
properties[prop] = int(node.properties.get(prop, 0))
except (TypeError, ValueError):
LOG.warning(
_LW('Node %(uuid)s has a malformed "%(prop)s". ' "It should be an integer."),
{"uuid": node.uuid, "prop": prop},
)
properties[prop] = 0
raw_cpu_arch = node.properties.get("cpu_arch", None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warning(_LW("cpu_arch not defined for node '%s'"), node.uuid)
properties["cpu_arch"] = cpu_arch
properties["raw_cpu_arch"] = raw_cpu_arch
properties["capabilities"] = node.properties.get("capabilities")
return properties
def coerce(self, obj, attr, value):
try:
value = arch.canonicalize(value)
except exception.InvalidArchitectureName:
msg = _("Architecture name '%s' is not valid") % value
raise ValueError(msg)
return super(Architecture, self).coerce(obj, attr, value)
def _parse_node_properties(self, node):
"""Helper method to parse the node's properties."""
properties = {}
for prop in ('cpus', 'memory_mb', 'local_gb'):
try:
properties[prop] = int(node.properties.get(prop, 0))
except (TypeError, ValueError):
LOG.warning(
_LW('Node %(uuid)s has a malformed "%(prop)s". '
'It should be an integer.'), {
'uuid': node.uuid,
'prop': prop
})
properties[prop] = 0
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warning(_LW("cpu_arch not defined for node '%s'"), node.uuid)
properties['cpu_arch'] = cpu_arch
properties['raw_cpu_arch'] = raw_cpu_arch
properties['capabilities'] = node.properties.get('capabilities')
return properties
def coerce(self, obj, attr, value):
try:
value = arch.canonicalize(value)
except exception.InvalidArchitectureName:
msg = _("Architecture name '%s' is not valid") % value
raise ValueError(msg)
return super(Architecture, self).coerce(obj, attr, value)
def __init__(self, virtapi, read_only=False):
super(BareMetalDriver, self).__init__(virtapi)
self.driver = importutils.import_object(
CONF.baremetal.driver, virtapi)
self.vif_driver = importutils.import_object(
CONF.baremetal.vif_driver)
self.firewall_driver = firewall.load_driver(
default=DEFAULT_FIREWALL_DRIVER)
self.volume_driver = importutils.import_object(
CONF.baremetal.volume_driver, virtapi)
self.image_cache_manager = imagecache.ImageCacheManager()
extra_specs = {}
extra_specs["baremetal_driver"] = CONF.baremetal.driver
for pair in CONF.baremetal.flavor_extra_specs:
keyval = pair.split(':', 1)
keyval[0] = keyval[0].strip()
keyval[1] = keyval[1].strip()
extra_specs[keyval[0]] = keyval[1]
self.extra_specs = extra_specs
if 'cpu_arch' not in extra_specs:
LOG.info(
_('cpu_arch is not found in flavor_extra_specs'))
self.supported_instances = []
else:
self.supported_instances = [(
arch.canonicalize(extra_specs['cpu_arch']),
hvtype.BAREMETAL,
vm_mode.HVM
), ]
def _parse_node_properties(self, node):
"""Helper method to parse the node's properties."""
properties = {}
for prop in ('cpus', 'memory_mb', 'local_gb'):
try:
properties[prop] = int(node.properties.get(prop, 0))
except (TypeError, ValueError):
LOG.warning(_LW('Node %(uuid)s has a malformed "%(prop)s". '
'It should be an integer.'),
{'uuid': node.uuid, 'prop': prop})
properties[prop] = 0
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warning(_LW("cpu_arch not defined for node '%s'"), node.uuid)
properties['cpu_arch'] = cpu_arch
properties['raw_cpu_arch'] = raw_cpu_arch
properties['capabilities'] = node.properties.get('capabilities')
return properties
def _instance_supported(self, host_state, image_props,
hypervisor_version):
img_arch = image_props.get('hw_architecture')
img_h_type = image_props.get('img_hv_type')
if not img_h_type:
img_h_type = 'qemu'
img_vm_mode = image_props.get('hw_vm_mode')
checked_img_props = (
arch.canonicalize(img_arch),
hv_type.canonicalize(img_h_type),
vm_mode.canonicalize(img_vm_mode)
)
# Supported if no compute-related instance properties are specified
if not any(checked_img_props):
return True
supp_instances = host_state.supported_instances
# Not supported if an instance property is requested but nothing
# advertised by the host.
if not supp_instances:
LOG.debug("Instance contains properties %(image_props)s, "
"but no corresponding supported_instances are "
"advertised by the compute node",
{'image_props': image_props})
return False
def _compare_props(props, other_props):
for i in props:
if i and i not in other_props:
return False
return True
def _compare_product_version(hyper_version, image_props):
version_required = image_props.get('img_hv_requested_version')
if not(hypervisor_version and version_required):
return True
img_prop_predicate = versionpredicate.VersionPredicate(
'image_prop (%s)' % version_required)
hyper_ver_str = versionutils.convert_version_to_str(hyper_version)
return img_prop_predicate.satisfied_by(hyper_ver_str)
for supp_inst in supp_instances:
if _compare_props(checked_img_props, supp_inst):
if _compare_product_version(hypervisor_version, image_props):
return True
LOG.debug("Instance contains properties %(image_props)s "
"that are not provided by the compute node "
"supported_instances %(supp_instances)s or "
"hypervisor version %(hypervisor_version)s do not match",
{'image_props': image_props,
'supp_instances': supp_instances,
'hypervisor_version': hypervisor_version})
return False
def _instance_supported(self, host_state, image_props,
hypervisor_version):
img_arch = image_props.get('hw_architecture')
img_h_type = image_props.get('img_hv_type')
img_vm_mode = image_props.get('hw_vm_mode')
checked_img_props = (
arch.canonicalize(img_arch),
hv_type.canonicalize(img_h_type),
vm_mode.canonicalize(img_vm_mode)
)
# Supported if no compute-related instance properties are specified
if not any(checked_img_props):
return True
supp_instances = host_state.supported_instances
# Not supported if an instance property is requested but nothing
# advertised by the host.
if not supp_instances:
LOG.debug("Instance contains properties %(image_props)s, "
"but no corresponding supported_instances are "
"advertised by the compute node",
{'image_props': image_props})
return False
def _compare_props(props, other_props):
for i in props:
if i and i not in other_props:
return False
return True
def _compare_product_version(hyper_version, image_props):
version_required = image_props.get('img_hv_requested_version')
if not(hypervisor_version and version_required):
return True
img_prop_predicate = versionpredicate.VersionPredicate(
'image_prop ({0!s})'.format(version_required))
hyper_ver_str = versionutils.convert_version_to_str(hyper_version)
return img_prop_predicate.satisfied_by(hyper_ver_str)
for supp_inst in supp_instances:
if _compare_props(checked_img_props, supp_inst):
if _compare_product_version(hypervisor_version, image_props):
return True
LOG.debug("Instance contains properties %(image_props)s "
"that are not provided by the compute node "
"supported_instances %(supp_instances)s or "
"hypervisor version %(hypervisor_version)s do not match",
{'image_props': image_props,
'supp_instances': supp_instances,
'hypervisor_version': hypervisor_version})
return False
def get_arch(image_meta):
"""Determine the architecture of the guest (or host).
This method determines the CPU architecture that must be supported by
the hypervisor. It gets the (guest) arch info from image_meta properties,
and it will fallback to the nova-compute (host) arch if no architecture
info is provided in image_meta.
:param image_meta: the metadata associated with the instance image
:returns: guest (or host) architecture
"""
if image_meta:
image_arch = image_meta.get('properties', {}).get('architecture')
if image_arch is not None:
return arch.canonicalize(image_arch)
return arch.from_host()
def get_arch(image_meta):
"""Determine the architecture of the guest (or host).
This method determines the CPU architecture that must be supported by
the hypervisor. It gets the (guest) arch info from image_meta properties,
and it will fallback to the nova-compute (host) arch if no architecture
info is provided in image_meta.
:param image_meta: the metadata associated with the instance image
:returns: guest (or host) architecture
"""
if image_meta:
image_arch = image_meta.get('properties', {}).get('architecture')
if image_arch is not None:
return arch.canonicalize(image_arch)
return arch.from_host()
def to_supported_instances(host_capabilities):
if not host_capabilities:
return []
result = []
for capability in host_capabilities:
try:
# 'capability'is unicode but we want arch/ostype
# to be strings to match the standard constants
capability = str(capability)
ostype, _version, guestarch = capability.split("-")
guestarch = arch.canonicalize(guestarch)
result.append((guestarch, 'xapi', ostype))
except ValueError:
LOG.warning(
_("Failed to extract instance support from %s"), capability)
return result
def to_supported_instances(host_capabilities):
if not host_capabilities:
return []
result = []
for capability in host_capabilities:
try:
# 'capability'is unicode but we want arch/ostype
# to be strings to match the standard constants
capability = str(capability)
ostype, _version, guestarch = capability.split("-")
guestarch = arch.canonicalize(guestarch)
result.append((guestarch, hvtype.XEN, ostype))
except ValueError:
LOG.warning(_("Failed to extract instance support from %s"),
capability)
return result
def test_canonicalize_compat_xen2(self):
self.assertEqual(arch.I686, arch.canonicalize("x86_32p"))
def test_canonicalize_i386(self):
self.assertEqual(arch.I686, arch.canonicalize("i386"))
def test_canonicalize_compat_xen2(self):
self.assertEqual(arch.I686, arch.canonicalize("x86_32p"))
def _node_resource(self, node):
"""Helper method to create resource dict from node stats."""
vcpus = int(node.properties.get('cpus', 0))
memory_mb = int(node.properties.get('memory_mb', 0))
local_gb = int(node.properties.get('local_gb', 0))
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warn(_LW("cpu_arch not defined for node '%s'"), node.uuid)
nodes_extra_specs = {}
# NOTE(deva): In Havana and Icehouse, the flavor was required to link
# to an arch-specific deploy kernel and ramdisk pair, and so the flavor
# also had to have extra_specs['cpu_arch'], which was matched against
# the ironic node.properties['cpu_arch'].
# With Juno, the deploy image(s) may be referenced directly by the
# node.driver_info, and a flavor no longer needs to contain any of
# these three extra specs, though the cpu_arch may still be used
# in a heterogeneous environment, if so desired.
# NOTE(dprince): we use the raw cpu_arch here because extra_specs
# filters aren't canonicalized
nodes_extra_specs['cpu_arch'] = raw_cpu_arch
# NOTE(gilliard): To assist with more precise scheduling, if the
# node.properties contains a key 'capabilities', we expect the value
# to be of the form "k1:v1,k2:v2,etc.." which we add directly as
# key/value pairs into the node_extra_specs to be used by the
# ComputeCapabilitiesFilter
capabilities = node.properties.get('capabilities')
if capabilities:
for capability in str(capabilities).split(','):
parts = capability.split(':')
if len(parts) == 2 and parts[0] and parts[1]:
nodes_extra_specs[parts[0]] = parts[1]
else:
LOG.warn(
_LW("Ignoring malformed capability '%s'. "
"Format should be 'key:val'."), capability)
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
if node.instance_uuid:
# Node has an instance, report all resource as unavailable
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
elif self._node_resources_unavailable(node):
# The node's current state is such that it should not present any
# of its resources to Nova
vcpus = 0
memory_mb = 0
local_gb = 0
dic = {
'node':
str(node.uuid),
'hypervisor_hostname':
str(node.uuid),
'hypervisor_type':
self._get_hypervisor_type(),
'hypervisor_version':
self._get_hypervisor_version(),
'cpu_info':
'baremetal cpu',
'vcpus':
vcpus,
'vcpus_used':
vcpus_used,
'local_gb':
local_gb,
'local_gb_used':
local_gb_used,
'disk_total':
local_gb,
'disk_used':
local_gb_used,
'disk_available':
local_gb - local_gb_used,
'memory_mb':
memory_mb,
'memory_mb_used':
memory_mb_used,
'host_memory_total':
memory_mb,
'host_memory_free':
memory_mb - memory_mb_used,
'supported_instances':
jsonutils.dumps(_get_nodes_supported_instances(cpu_arch)),
'stats':
jsonutils.dumps(nodes_extra_specs),
'host':
CONF.host,
}
dic.update(nodes_extra_specs)
return dic
def _node_resource(self, node):
"""Helper method to create resource dict from node stats."""
vcpus = int(node.properties.get('cpus', 0))
memory_mb = int(node.properties.get('memory_mb', 0))
local_gb = int(node.properties.get('local_gb', 0))
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warning(_LW("cpu_arch not defined for node '%s'"), node.uuid)
nodes_extra_specs = {}
# NOTE(deva): In Havana and Icehouse, the flavor was required to link
# to an arch-specific deploy kernel and ramdisk pair, and so the flavor
# also had to have extra_specs['cpu_arch'], which was matched against
# the ironic node.properties['cpu_arch'].
# With Juno, the deploy image(s) may be referenced directly by the
# node.driver_info, and a flavor no longer needs to contain any of
# these three extra specs, though the cpu_arch may still be used
# in a heterogeneous environment, if so desired.
# NOTE(dprince): we use the raw cpu_arch here because extra_specs
# filters aren't canonicalized
nodes_extra_specs['cpu_arch'] = raw_cpu_arch
# NOTE(gilliard): To assist with more precise scheduling, if the
# node.properties contains a key 'capabilities', we expect the value
# to be of the form "k1:v1,k2:v2,etc.." which we add directly as
# key/value pairs into the node_extra_specs to be used by the
# ComputeCapabilitiesFilter
capabilities = node.properties.get('capabilities')
if capabilities:
for capability in str(capabilities).split(','):
parts = capability.split(':')
if len(parts) == 2 and parts[0] and parts[1]:
nodes_extra_specs[parts[0]] = parts[1]
else:
LOG.warning(_LW("Ignoring malformed capability '%s'. "
"Format should be 'key:val'."), capability)
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
if node.instance_uuid:
# Node has an instance, report all resource as unavailable
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
elif self._node_resources_unavailable(node):
# The node's current state is such that it should not present any
# of its resources to Nova
vcpus = 0
memory_mb = 0
local_gb = 0
def _get_total_network_bandwidth ():
ethersOut = os.popen('ls -d /sys/class/net/eth*');
ethers = ethersOut.readlines();
totalSpeed = 0;
for ether in ethers:
cmd = 'cat ' + ether[:-1] + '/speed';
speed = os.popen(cmd);
speedInMB = int (speed.read());
totalSpeed = totalSpeed + speedInMB;
speed.close();
ethersOut.close();
return totalSpeed;
total_bandwidth = _get_total_network_bandwidth ();
bandwidth_used = 0;
dic = {
'node': str(node.uuid),
'hypervisor_hostname': str(node.uuid),
'hypervisor_type': self._get_hypervisor_type(),
'hypervisor_version': self._get_hypervisor_version(),
'cpu_info': 'baremetal cpu',
'vcpus': vcpus,
'vcpus_used': vcpus_used,
'local_gb': local_gb,
'local_gb_used': local_gb_used,
'disk_total': local_gb,
'disk_used': local_gb_used,
'disk_available': local_gb - local_gb_used,
'memory_mb': memory_mb,
'memory_mb_used': memory_mb_used,
'host_memory_total': memory_mb,
'host_memory_free': memory_mb - memory_mb_used,
'supported_instances': jsonutils.dumps(
_get_nodes_supported_instances(cpu_arch)),
'stats': jsonutils.dumps(nodes_extra_specs),
'host': CONF.host,
'total_bandwidth': total_bandwidth,
'bandwidth_used': bandwidth_used
}
dic.update(nodes_extra_specs)
return dic
def _node_resource(self, node):
"""Helper method to create resource dict from node stats."""
vcpus = int(node.properties.get("cpus", 0))
memory_mb = int(node.properties.get("memory_mb", 0))
local_gb = int(node.properties.get("local_gb", 0))
raw_cpu_arch = node.properties.get("cpu_arch", None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warn(_LW("cpu_arch not defined for node '%s'"), node.uuid)
nodes_extra_specs = {}
# NOTE(deva): In Havana and Icehouse, the flavor was required to link
# to an arch-specific deploy kernel and ramdisk pair, and so the flavor
# also had to have extra_specs['cpu_arch'], which was matched against
# the ironic node.properties['cpu_arch'].
# With Juno, the deploy image(s) may be referenced directly by the
# node.driver_info, and a flavor no longer needs to contain any of
# these three extra specs, though the cpu_arch may still be used
# in a heterogeneous environment, if so desired.
# NOTE(dprince): we use the raw cpu_arch here because extra_specs
# filters aren't canonicalized
nodes_extra_specs["cpu_arch"] = raw_cpu_arch
# NOTE(gilliard): To assist with more precise scheduling, if the
# node.properties contains a key 'capabilities', we expect the value
# to be of the form "k1:v1,k2:v2,etc.." which we add directly as
# key/value pairs into the node_extra_specs to be used by the
# ComputeCapabilitiesFilter
capabilities = node.properties.get("capabilities")
if capabilities:
for capability in str(capabilities).split(","):
parts = capability.split(":")
if len(parts) == 2 and parts[0] and parts[1]:
nodes_extra_specs[parts[0]] = parts[1]
else:
LOG.warn(_LW("Ignoring malformed capability '%s'. " "Format should be 'key:val'."), capability)
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
if node.instance_uuid:
# Node has an instance, report all resource as unavailable
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
elif self._node_resources_unavailable(node):
# The node's current state is such that it should not present any
# of its resources to Nova
vcpus = 0
memory_mb = 0
local_gb = 0
dic = {
"node": str(node.uuid),
"hypervisor_hostname": str(node.uuid),
"hypervisor_type": self._get_hypervisor_type(),
"hypervisor_version": self._get_hypervisor_version(),
"cpu_info": "baremetal cpu",
"vcpus": vcpus,
"vcpus_used": vcpus_used,
"local_gb": local_gb,
"local_gb_used": local_gb_used,
"disk_total": local_gb,
"disk_used": local_gb_used,
"disk_available": local_gb - local_gb_used,
"memory_mb": memory_mb,
"memory_mb_used": memory_mb_used,
"host_memory_total": memory_mb,
"host_memory_free": memory_mb - memory_mb_used,
"supported_instances": jsonutils.dumps(_get_nodes_supported_instances(cpu_arch)),
"stats": jsonutils.dumps(nodes_extra_specs),
"host": CONF.host,
}
dic.update(nodes_extra_specs)
return dic
def test_canonicalize_case(self):
self.assertEqual(arch.X86_64, arch.canonicalize("X86_64"))
def test_canonicalize_case(self):
self.assertEqual(arch.X86_64, arch.canonicalize("X86_64"))
def test_canonicalize_i386(self):
self.assertEqual(arch.I686, arch.canonicalize("i386"))
def _node_resource(self, node):
"""Helper method to create resource dict from node stats."""
vcpus = int(node.properties.get('cpus', 0))
memory_mb = int(node.properties.get('memory_mb', 0))
local_gb = int(node.properties.get('local_gb', 0))
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warning(_LW("cpu_arch not defined for node '%s'"), node.uuid)
nodes_extra_specs = {}
# NOTE(deva): In Havana and Icehouse, the flavor was required to link
# to an arch-specific deploy kernel and ramdisk pair, and so the flavor
# also had to have extra_specs['cpu_arch'], which was matched against
# the ironic node.properties['cpu_arch'].
# With Juno, the deploy image(s) may be referenced directly by the
# node.driver_info, and a flavor no longer needs to contain any of
# these three extra specs, though the cpu_arch may still be used
# in a heterogeneous environment, if so desired.
# NOTE(dprince): we use the raw cpu_arch here because extra_specs
# filters aren't canonicalized
nodes_extra_specs['cpu_arch'] = raw_cpu_arch
# NOTE(gilliard): To assist with more precise scheduling, if the
# node.properties contains a key 'capabilities', we expect the value
# to be of the form "k1:v1,k2:v2,etc.." which we add directly as
# key/value pairs into the node_extra_specs to be used by the
# ComputeCapabilitiesFilter
capabilities = node.properties.get('capabilities')
if capabilities:
for capability in str(capabilities).split(','):
parts = capability.split(':')
if len(parts) == 2 and parts[0] and parts[1]:
nodes_extra_specs[parts[0]] = parts[1]
else:
LOG.warning(_LW("Ignoring malformed capability '%s'. "
"Format should be 'key:val'."), capability)
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
if self._node_resources_used(node):
# Node is in the process of deploying, is deployed, or is in
# the process of cleaning up from a deploy. Report all of its
# resources as in use.
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
elif self._node_resources_unavailable(node):
# The node's current state is such that it should not present any
# of its resources to Nova
vcpus = 0
memory_mb = 0
local_gb = 0
dic = {
'hypervisor_hostname': str(node.uuid),
'hypervisor_type': self._get_hypervisor_type(),
'hypervisor_version': self._get_hypervisor_version(),
# The Ironic driver manages multiple hosts, so there are
# likely many different CPU models in use. As such it is
# impossible to provide any meaningful info on the CPU
# model of the "host"
'cpu_info': None,
'vcpus': vcpus,
'vcpus_used': vcpus_used,
'local_gb': local_gb,
'local_gb_used': local_gb_used,
'disk_available_least': local_gb - local_gb_used,
'memory_mb': memory_mb,
'memory_mb_used': memory_mb_used,
'supported_instances': jsonutils.dumps(
_get_nodes_supported_instances(cpu_arch)),
'stats': jsonutils.dumps(nodes_extra_specs),
}
return dic
def test_canonicalize_amd64(self):
self.assertEqual(arch.X86_64, arch.canonicalize("amd64"))
def test_canonicalize_amd64(self):
self.assertEqual(arch.X86_64, arch.canonicalize("amd64"))