class CassandraFinder(object):
"""Creates a tree based on the values in Cassandra, and searches
over it.
:param config: Configuration provided by the storage api
if not required)
"""
def __init__(self, config=None):
from django.conf import settings
keyspace = getattr(settings, "CASSANDRA_KEYSPACE")
server_list = getattr(settings, "CASSANDRA_SERVERS")
credentials = {
"username": getattr(settings, "CASSANDRA_USERNAME"),
"password": getattr(settings, "CASSANDRA_PASSWORD"),
}
self.directory = "/"
self.tree = DataTree(self.directory, keyspace, server_list, credentials=credentials)
def find_nodes(self, query):
childs = self.tree.selfAndChildPaths(query.pattern)
childNodes = self.tree.getNode([child for child, isMetric in childs if isMetric])
# make sure we yield in the DB order
for child, isMetric in childs:
if isMetric:
yield LeafNode(child, CassandraReader(childNodes[child], child))
else:
yield BranchNode(child)
class CassandraFinder(object):
"""Creates a tree based on the values in Cassandra, and searches
over it.
:param keyspace: Cassandra keyspace to search over
:param server_list: List of Cassandra seeds
:param credentials: Hash containing a CQL username and password (or None
if not required)
"""
def __init__(self, keyspace, server_list, credentials):
self.directory = "/"
self.tree = DataTree(self.directory, keyspace, server_list, credentials=credentials)
def find_nodes(self, query):
childs = self.tree.selfAndChildPaths(query.pattern)
childNodes = self.tree.getNode([child
for child, isMetric in childs
if isMetric
])
# make sure we yield in the DB order
for child, isMetric in childs:
if isMetric:
yield LeafNode(child, CassandraReader(childNodes[child], child))
else:
yield BranchNode(child)
class CassandraFinder(object):
"""Creates a tree based on the values in Cassandra, and searches
over it.
:param config: Configuration provided by the storage api
if not required)
"""
def __init__(self, config=None):
from django.conf import settings
keyspace = getattr(settings, 'CASSANDRA_KEYSPACE')
server_list = getattr(settings, 'CASSANDRA_SERVERS')
credentials = {
'username': getattr(settings, 'CASSANDRA_USERNAME'),
'password': getattr(settings, 'CASSANDRA_PASSWORD')
}
self.directory = "/"
self.tree = DataTree(self.directory,
keyspace,
server_list,
credentials=credentials)
def find_nodes(self, query):
childs = self.tree.selfAndChildPaths(query.pattern)
childNodes = self.tree.getNode(
[child for child, isMetric in childs if isMetric])
# make sure we yield in the DB order
for child, isMetric in childs:
if isMetric:
yield LeafNode(child, CassandraReader(childNodes[child],
child))
else:
yield BranchNode(child)
def __init__(self, config=None):
from django.conf import settings
keyspace = getattr(settings, 'CASSANDRA_KEYSPACE')
server_list = getattr(settings, 'CASSANDRA_SERVERS')
credentials = {
'username': getattr(settings, 'CASSANDRA_USERNAME'),
'password': getattr(settings, 'CASSANDRA_PASSWORD')
}
self.directory = "/"
self.tree = DataTree(self.directory,
keyspace,
server_list,
credentials=credentials)
def __init__(self, config=None):
from django.conf import settings
keyspace = getattr(settings, "CASSANDRA_KEYSPACE")
server_list = getattr(settings, "CASSANDRA_SERVERS")
credentials = {
"username": getattr(settings, "CASSANDRA_USERNAME"),
"password": getattr(settings, "CASSANDRA_PASSWORD"),
}
self.directory = "/"
self.tree = DataTree(self.directory, keyspace, server_list, credentials=credentials)
def __init__(self, keyspace, server_list, credentials): self.directory = "/" self.tree = DataTree(self.directory, keyspace, server_list, credentials=credentials)