def update_volumes(cls, instance):
"""Update volumes for Node instance.
Adds pending "disks" changes for Cluster which Node belongs to
:param instance: Node instance
:returns: None
"""
attrs = instance.attributes
if not attrs:
attrs = cls.create_attributes(instance)
try:
attrs.volumes = instance.volume_manager.gen_volumes_info()
except Exception as exc:
msg = (u"Failed to generate volumes "
u"info for node '{0}': '{1}'").format(
instance.name or instance.mac or instance.id,
str(exc) or "see logs for details")
logger.warning(traceback.format_exc())
Notification.create({
"topic": "error",
"message": msg,
"node_id": instance.id
})
if instance.cluster_id:
Cluster.add_pending_changes(instance.cluster,
"disks",
node_id=instance.id)
db().add(attrs)
db().flush()
def update_volumes(cls, instance):
attrs = instance.attributes
if not attrs:
attrs = cls.create_attributes(instance)
try:
attrs.volumes = instance.volume_manager.gen_volumes_info()
except Exception as exc:
msg = (
u"Failed to generate volumes "
u"info for node '{0}': '{1}'"
).format(
instance.name or instance.mac or instance.id,
str(exc) or "see logs for details"
)
logger.warning(traceback.format_exc())
Notification.create({
"topic": "error",
"message": msg,
"node_id": instance.id
})
if instance.cluster_id:
Cluster.add_pending_changes(
instance.cluster,
"disks",
node_id=instance.id
)
db().add(attrs)
db().flush()
def set_error_status_and_file_notification(cls, instance, etype, emessage):
instance.status = consts.NODE_STATUSES.error
instance.error_type = etype
instance.error_msg = emessage
db().flush()
Notification.create(
{"topic": consts.NOTIFICATION_TOPICS.error, "message": instance.error_msg, "node_id": instance.id}
)
def set_error_status_and_file_notification(cls, instance, etype, emessage):
instance.status = consts.NODE_STATUSES.error
instance.error_type = etype
instance.error_msg = emessage
db().flush()
Notification.create({
"topic": consts.NOTIFICATION_TOPICS.error,
"message": instance.error_msg,
"node_id": instance.id
})
def set_default_node_volumes(cls, node):
from .objects.volumes import VolumeObject
try:
VolumeObject.set_default_node_volumes(node)
except Exception as exc:
logger.exception(exc)
msg = "Failed to generate volumes for node '{0}': '{1}'".format(
node.human_readable_name, six.text_type(exc)
)
Notification.create({"topic": "error", "message": msg, "node_id": node.id})
if node.cluster_id:
Node.add_pending_change(node, "disks")
def set_default_node_volumes(cls, node):
from .objects.volumes import VolumeObject
try:
VolumeObject.set_default_node_volumes(node)
except Exception as exc:
logger.exception(exc)
msg = "Failed to generate volumes for node '{0}': '{1}'".format(
node.human_readable_name, six.text_type(exc))
Notification.create({
'topic': 'error',
'message': msg,
'node_id': node.id})
if node.cluster_id:
Node.add_pending_change(node, 'disks')
def update_volumes(cls, instance):
"""Update volumes for Node instance.
Adds pending "disks" changes for Cluster which Node belongs to
:param instance: Node instance
:returns: None
"""
attrs = instance.attributes
if not attrs:
attrs = cls.create_attributes(instance)
try:
# TODO(eli): update volumes method should be moved
# into an extension
# Should be done as a part of blueprint:
# https://blueprints.launchpad.net/fuel/+spec
# /volume-manager-refactoring
from nailgun.extensions.volume_manager.extension \
import VolumeManagerExtension
VolumeManagerExtension.set_volumes(
instance,
instance.volume_manager.gen_volumes_info())
except Exception as exc:
msg = (
u"Failed to generate volumes "
u"info for node '{0}': '{1}'"
).format(
instance.name or instance.mac or instance.id,
str(exc) or "see logs for details"
)
logger.warning(traceback.format_exc())
Notification.create({
"topic": "error",
"message": msg,
"node_id": instance.id
})
if instance.cluster_id:
Cluster.add_pending_changes(
instance.cluster,
"disks",
node_id=instance.id
)
db().add(attrs)
db().flush()
def create_discover_notification(cls, instance):
"""Create notification about discovering new Node
:param instance: Node instance
:returns: None
"""
try:
# we use multiplier of 1024 because there are no problems here
# with unfair size calculation
ram = str(round(float(
instance.meta['memory']['total']) / 1073741824, 1)) + " GB RAM"
except Exception:
logger.warning(traceback.format_exc())
ram = "unknown RAM"
try:
# we use multiplier of 1000 because disk vendors specify HDD size
# in terms of decimal capacity. Sources:
# http://knowledge.seagate.com/articles/en_US/FAQ/172191en
# http://physics.nist.gov/cuu/Units/binary.html
hd_size = round(
float(
sum(
[d["size"] for d in instance.meta["disks"]]
) / 1000000000
),
1
)
# if HDD > 100 GB we show it's size in TB
if hd_size > 100:
hd_size = str(hd_size / 1000) + " TB HDD"
else:
hd_size = str(hd_size) + " GB HDD"
except Exception:
logger.warning(traceback.format_exc())
hd_size = "unknown HDD"
cores = str(instance.meta.get('cpu', {}).get('total', "unknown"))
Notification.create({
"topic": "discover",
"message": u"New node is discovered: "
u"{0} CPUs / {1} / {2} ".format(cores, ram, hd_size),
"node_id": instance.id
})
def create_discover_notification(cls, instance):
"""Create notification about discovering new Node
:param instance: Node instance
:returns: None
"""
try:
# we use multiplier of 1024 because there are no problems here
# with unfair size calculation
ram = str(
round(float(instance.meta['memory']['total']) / 1073741824,
1)) + " GB RAM"
except Exception:
logger.warning(traceback.format_exc())
ram = "unknown RAM"
try:
# we use multiplier of 1000 because disk vendors specify HDD size
# in terms of decimal capacity. Sources:
# http://knowledge.seagate.com/articles/en_US/FAQ/172191en
# http://physics.nist.gov/cuu/Units/binary.html
hd_size = round(
float(
sum([d["size"]
for d in instance.meta["disks"]]) / 1000000000), 1)
# if HDD > 100 GB we show it's size in TB
if hd_size > 100:
hd_size = str(hd_size / 1000) + " TB HDD"
else:
hd_size = str(hd_size) + " GB HDD"
except Exception:
logger.warning(traceback.format_exc())
hd_size = "unknown HDD"
cores = str(instance.meta.get('cpu', {}).get('total', "unknown"))
Notification.create({
"topic":
"discover",
"message":
u"发现一个新的节点: "
u"{0} CPUs / {1} / {2} ".format(cores, ram, hd_size),
"node_id":
instance.id
})
def update_volumes(cls, instance):
"""Update volumes for Node instance.
Adds pending "disks" changes for Cluster which Node belongs to
:param instance: Node instance
:returns: None
"""
attrs = instance.attributes
if not attrs:
attrs = cls.create_attributes(instance)
try:
# TODO(eli): update volumes method should be moved
# into an extension
# Should be done as a part of blueprint:
# https://blueprints.launchpad.net/fuel/+spec
# /volume-manager-refactoring
from nailgun.extensions.volume_manager.extension \
import VolumeManagerExtension
VolumeManagerExtension.set_volumes(
instance, instance.volume_manager.gen_volumes_info())
except Exception as exc:
msg = (u"Failed to generate volumes "
u"info for node '{0}': '{1}'").format(
instance.name or instance.mac or instance.id,
str(exc) or "see logs for details")
logger.warning(traceback.format_exc())
Notification.create({
"topic": "error",
"message": msg,
"node_id": instance.id
})
if instance.cluster_id:
Cluster.add_pending_changes(instance.cluster,
"disks",
node_id=instance.id)
db().add(attrs)
db().flush()
