def load(path, name):
cluster_path = os.path.join(path, name)
filename = os.path.join(cluster_path, 'cluster.conf')
with open(filename, 'r') as f:
data = yaml.load(f)
try:
cassandra_dir = None
if 'cassandra_dir' in data:
cassandra_dir = data['cassandra_dir']
repository.validate(cassandra_dir)
cluster = Cluster(path,
data['name'],
cassandra_dir=cassandra_dir,
create_directory=False)
node_list = data['nodes']
seed_list = data['seeds']
if 'partitioner' in data:
cluster.partitioner = data['partitioner']
if 'config_options' in data:
cluster._config_options = data['config_options']
if 'log_level' in data:
cluster.__log_level = data['log_level']
except KeyError as k:
raise common.LoadError("Error Loading " + filename +
", missing property:" + k)
for node_name in node_list:
cluster.nodes[node_name] = Node.load(cluster_path, node_name,
cluster)
for seed_name in seed_list:
cluster.seeds.append(cluster.nodes[seed_name])
return cluster
def load(path, name, cluster):
"""
Load a node from from the path on disk to the config files, the node name and the
cluster the node is part of.
"""
node_path = os.path.join(path, name)
filename = os.path.join(node_path, 'node.conf')
with open(filename, 'r') as f:
data = yaml.load(f)
try:
itf = data['interfaces']
initial_token = None
if 'initial_token' in data:
initial_token = data['initial_token']
remote_debug_port = 2000
if 'remote_debug_port' in data:
remote_debug_port = data['remote_debug_port']
binary_interface = None
if 'binary' in itf and itf['binary'] is not None:
binary_interface = tuple(itf['binary'])
node = Node(data['name'], cluster, data['auto_bootstrap'], tuple(itf['thrift']), tuple(itf['storage']), data['jmx_port'], remote_debug_port, initial_token, save=False, binary_interface=binary_interface)
node.status = data['status']
if 'pid' in data:
node.pid = int(data['pid'])
if 'cassandra_dir' in data:
node.__cassandra_dir = data['cassandra_dir']
if 'config_options' in data:
node.__config_options = data['config_options']
if 'data_center' in data:
node.data_center = data['data_center']
return node
except KeyError as k:
raise common.LoadError("Error Loading " + filename + ", missing property: " + str(k))