def POST(self):
""":returns: JSONized Node object.
:http: * 201 (cluster successfully created)
* 400 (invalid node data specified)
* 403 (node has incorrect status)
* 409 (node with such parameters already exists)
"""
data = self.checked_data()
if data.get("status", "") != "discover":
error = web.forbidden()
error.data = "Only bootstrap nodes are allowed to be registered."
msg = u"Node with mac '{0}' was not created, " \
u"because request status is '{1}'."\
.format(data[u'mac'], data.get(u'status'))
logger.warning(msg)
raise error
node = Node(
name="Untitled (%s)" % data['mac'][-5:],
timestamp=datetime.now()
)
if "cluster_id" in data:
# FIXME(vk): this part is needed only for tests. Normally,
# nodes are created only by agent and POST requests don't contain
# cluster_id, but our integration and unit tests widely use it.
# We need to assign cluster first
cluster_id = data.pop("cluster_id")
if cluster_id:
node.cluster = db.query(Cluster).get(cluster_id)
for key, value in data.iteritems():
if key == "id":
continue
elif key == "meta":
node.create_meta(value)
else:
setattr(node, key, value)
db().add(node)
db().commit()
node.attributes = NodeAttributes()
try:
node.attributes.volumes = node.volume_manager.gen_volumes_info()
if node.cluster:
node.cluster.add_pending_changes(
"disks",
node_id=node.id
)
except Exception as exc:
msg = (
u"Failed to generate volumes "
"info for node '{0}': '{1}'"
).format(
node.name or data.get("mac") or data.get("id"),
str(exc) or "see logs for details"
)
logger.warning(traceback.format_exc())
notifier.notify("error", msg, node_id=node.id)
db().add(node)
db().commit()
network_manager = NetworkManager
# Add interfaces for node from 'meta'.
if node.meta and node.meta.get('interfaces'):
network_manager.update_interfaces_info(node)
if node.cluster_id:
network_manager = node.cluster.network_manager
network_manager.assign_networks_by_default(node)
network_manager.allow_network_assignment_to_all_interfaces(node)
try:
# we use multiplier of 1024 because there are no problems here
# with unfair size calculation
ram = str(round(float(
node.meta['memory']['total']) / 1073741824, 1)) + " GB RAM"
except Exception as exc:
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 node.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 as exc:
logger.warning(traceback.format_exc())
hd_size = "unknown HDD"
cores = str(node.meta.get('cpu', {}).get('total', "unknown"))
notifier.notify(
"discover",
"New node is discovered: %s CPUs / %s / %s " %
(cores, ram, hd_size),
node_id=node.id
)
raise web.webapi.created(json.dumps(
NodeHandler.render(node),
indent=4
))
def create_node(
self, api=False,
exclude=None, expect_http=201,
expect_message=None,
**kwargs):
metadata = kwargs.get('meta')
default_metadata = self.default_metadata()
if metadata:
default_metadata.update(metadata)
mac = self._generate_random_mac()
if default_metadata['interfaces']:
default_metadata['interfaces'][0]['mac'] = kwargs.get('mac', mac)
node_data = {
'mac': mac,
'status': 'discover',
'meta': default_metadata
}
if kwargs:
meta = kwargs.pop('meta', None)
node_data.update(kwargs)
if meta:
kwargs['meta'] = meta
if exclude and isinstance(exclude, list):
for ex in exclude:
try:
del node_data[ex]
except KeyError as err:
logger.warning(err)
if api:
resp = self.app.post(
reverse('NodeCollectionHandler'),
json.dumps(node_data),
headers=self.default_headers,
expect_errors=True
)
self.tester.assertEquals(resp.status, expect_http)
if expect_message:
self.tester.assertEquals(resp.body, expect_message)
if str(expect_http)[0] != "2":
return None
self.tester.assertEquals(resp.status, expect_http)
node = json.loads(resp.body)
node_db = self.db.query(Node).get(node['id'])
self._set_interfaces_if_not_set_in_meta(
node_db.id,
kwargs.get('meta', None))
self.nodes.append(node_db)
else:
node = Node()
node.timestamp = datetime.now()
if 'cluster_id' in node_data:
cluster_id = node_data.pop('cluster_id')
for cluster in self.clusters:
if cluster.id == cluster_id:
node.cluster = cluster
break
else:
node.cluster_id = cluster_id
for key, value in node_data.iteritems():
setattr(node, key, value)
node.attributes = self.create_attributes()
node.attributes.volumes = node.volume_manager.gen_volumes_info()
self.db.add(node)
self.db.commit()
if node.meta and node.meta.get('interfaces'):
self._create_interfaces_from_meta(node)
self.nodes.append(node)
return node
def create_node(self,
api=False,
exclude=None,
expect_http=201,
expect_message=None,
**kwargs):
#TODO(alekseyk) Simplify 'interfaces' and 'mac' manipulation logic
metadata = kwargs.get('meta')
default_metadata = self.default_metadata()
if metadata:
default_metadata.update(metadata)
meta_ifaces = 'interfaces' in metadata
mac = kwargs.get('mac', self._generate_random_mac())
if default_metadata['interfaces']:
default_metadata['interfaces'][0]['mac'] = mac
if not metadata or not meta_ifaces:
for iface in default_metadata['interfaces'][1:]:
if 'mac' in iface:
iface['mac'] = self._generate_random_mac()
node_data = {
'mac': mac,
'status': 'discover',
'meta': default_metadata
}
if kwargs:
meta = kwargs.pop('meta', None)
node_data.update(kwargs)
if meta:
kwargs['meta'] = meta
if exclude and isinstance(exclude, list):
for ex in exclude:
try:
del node_data[ex]
except KeyError as err:
logger.warning(err)
if api:
resp = self.app.post(reverse('NodeCollectionHandler'),
json.dumps(node_data),
headers=self.default_headers,
expect_errors=True)
self.tester.assertEquals(resp.status, expect_http)
if expect_message:
self.tester.assertEquals(resp.body, expect_message)
if str(expect_http)[0] != "2":
return None
self.tester.assertEquals(resp.status, expect_http)
node = json.loads(resp.body)
node_db = self.db.query(Node).get(node['id'])
if 'interfaces' not in node_data['meta'] \
or not node_data['meta']['interfaces']:
self._set_interfaces_if_not_set_in_meta(
node_db.id, kwargs.get('meta', None))
self.nodes.append(node_db)
else:
node = Node()
node.timestamp = datetime.now()
if 'cluster_id' in node_data:
cluster_id = node_data.pop('cluster_id')
for cluster in self.clusters:
if cluster.id == cluster_id:
node.cluster = cluster
break
else:
node.cluster_id = cluster_id
for key, value in node_data.iteritems():
setattr(node, key, value)
node.attributes = self.create_attributes()
node.attributes.volumes = node.volume_manager.gen_volumes_info()
self.db.add(node)
self.db.commit()
if node.meta and node.meta.get('interfaces'):
self._create_interfaces_from_meta(node)
self.nodes.append(node)
return node
def POST(self):
""":returns: JSONized Node object.
:http: * 201 (cluster successfully created)
* 400 (invalid node data specified)
* 403 (node has incorrect status)
* 409 (node with such parameters already exists)
"""
data = self.checked_data()
if data.get("status", "") != "discover":
error = web.forbidden()
error.data = "Only bootstrap nodes are allowed to be registered."
msg = u"Node with mac '{0}' was not created, " \
u"because request status is '{1}'."\
.format(data[u'mac'], data.get(u'status'))
logger.warning(msg)
raise error
node = Node(name="Untitled (%s)" % data['mac'][-5:],
timestamp=datetime.now())
if "cluster_id" in data:
# FIXME(vk): this part is needed only for tests. Normally,
# nodes are created only by agent and POST requests don't contain
# cluster_id, but our integration and unit tests widely use it.
# We need to assign cluster first
cluster_id = data.pop("cluster_id")
if cluster_id:
node.cluster = db.query(Cluster).get(cluster_id)
for key, value in data.iteritems():
if key == "id":
continue
elif key == "meta":
node.create_meta(value)
else:
setattr(node, key, value)
db().add(node)
db().commit()
node.attributes = NodeAttributes()
try:
node.attributes.volumes = node.volume_manager.gen_volumes_info()
if node.cluster:
node.cluster.add_pending_changes("disks", node_id=node.id)
except Exception as exc:
msg = (u"Failed to generate volumes "
"info for node '{0}': '{1}'").format(
node.name or data.get("mac") or data.get("id"),
str(exc) or "see logs for details")
logger.warning(traceback.format_exc())
notifier.notify("error", msg, node_id=node.id)
db().add(node)
db().commit()
network_manager = NetworkManager
# Add interfaces for node from 'meta'.
if node.meta and node.meta.get('interfaces'):
network_manager.update_interfaces_info(node)
if node.cluster_id:
network_manager = node.cluster.network_manager
network_manager.assign_networks_by_default(node)
try:
# we use multiplier of 1024 because there are no problems here
# with unfair size calculation
ram = str(
round(float(node.meta['memory']['total']) / 1073741824,
1)) + " GB RAM"
except Exception as exc:
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 node.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 as exc:
logger.warning(traceback.format_exc())
hd_size = "unknown HDD"
cores = str(node.meta.get('cpu', {}).get('total', "unknown"))
notifier.notify("discover",
"New node is discovered: %s CPUs / %s / %s " %
(cores, ram, hd_size),
node_id=node.id)
raise web.webapi.created(json.dumps(NodeHandler.render(node),
indent=4))
