def checkQuotaForInstanceAndRaise(conn, instanceName):
""" Perform instance quota check and raise QuotaError exception if request to
create a model for `instanceName` would result in a new "instance" being
created beyond quota.
This function answers the question:
Is there room to add a new model for a new, or existing instance?
And raises an exception if the answer is no.
:param conn: SQLAlchemy connection object
:type conn: sqlalchemy.engine.Connection
:param instanceName: Instance name
:type instanceName str:
:raises: grok.app.exceptions.QuotaError
"""
instanceCount = repository.getInstanceCount(conn)
instanceQuota = Quota.getInstanceQuota()
if instanceCount >= instanceQuota:
if not repository.listMetricIDsForInstance(conn, instanceName):
raise QuotaError(
"Server limit exceeded; edition=%s; count=%i; limit=%i." %
(product.get("edition",
"type").title(), instanceCount, instanceQuota))
def checkQuotaForInstanceAndRaise(conn, instanceName):
""" Perform instance quota check and raise QuotaError exception if request to
create a model for `instanceName` would result in a new "instance" being
created beyond quota.
This function answers the question:
Is there room to add a new model for a new, or existing instance?
And raises an exception if the answer is no.
:param conn: SQLAlchemy connection object
:type conn: sqlalchemy.engine.Connection
:param instanceName: Instance name
:type instanceName str:
:raises: grok.app.exceptions.QuotaError
"""
instanceCount = repository.getInstanceCount(conn)
instanceQuota = Quota.getInstanceQuota()
if instanceCount >= instanceQuota:
if not repository.listMetricIDsForInstance(conn, instanceName):
raise QuotaError(
"Server limit exceeded; edition=%s; count=%i; limit=%i." % (
product.get("edition", "type").title(), instanceCount,
instanceQuota))
def DELETE(self):
"""
Delete models for multiple instances
::
DELETE /_instances
DELETE data:
::
[
"{region}/{namespace}/{instanceId}",
...
]
Returns:
::
{
"result": "success"
}
"""
try:
instances = json.loads(web.data())
except:
raise InvalidRequestResponse({"result": "Invalid request"})
if not instances:
raise InvalidRequestResponse(
{"result": ("Missing instances in DELETE"
" request")})
deleted = []
if instances:
for server in instances:
if server.count("/") == 4:
(lhs, _, identifier) = server.rpartition("/")
(regionAndNamespace, _, _) = lhs.rpartition("/")
serverSansDimension = regionAndNamespace + "/" + identifier
else:
serverSansDimension = server
with web.ctx.connFactory() as conn:
modelIds = repository.listMetricIDsForInstance(
conn, serverSansDimension)
if modelIds:
for modelId in modelIds:
ModelHandler.deleteModel(modelId)
deleted.append(server)
if instances == deleted:
self.addStandardHeaders()
return encodeJson({'result': 'success'})
raise web.notfound("Not able to delete %s" %
encodeJson(list(set(instances) - set(deleted))))
def DELETE(self):
"""
Delete models for multiple instances
::
DELETE /_instances
DELETE data:
::
[
"{region}/{namespace}/{instanceId}",
...
]
Returns:
::
{
"result": "success"
}
"""
try:
instances = json.loads(web.data())
except:
raise InvalidRequestResponse({"result": "Invalid request"})
if not instances:
raise InvalidRequestResponse({"result": ("Missing instances in DELETE"
" request")})
deleted = []
if instances:
for server in instances:
if server.count("/") == 4:
(lhs, _, identifier) = server.rpartition("/")
(regionAndNamespace, _, _) = lhs.rpartition("/")
serverSansDimension = regionAndNamespace + "/" + identifier
else:
serverSansDimension = server
with web.ctx.connFactory() as conn:
modelIds = repository.listMetricIDsForInstance(conn,
serverSansDimension)
if modelIds:
for modelId in modelIds:
ModelHandler.deleteModel(modelId)
deleted.append(server)
if instances == deleted:
self.addStandardHeaders()
return encodeJson({'result': 'success'})
raise web.notfound("Not able to delete %s" %
encodeJson(list(set(instances)-set(deleted))))