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##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import sys
import yaml
import logging
from yardstick.benchmark.contexts.base import Context
LOG = logging.getLogger(__name__)
class NodeContext(Context):
'''Class that handle nodes info'''
__context_type__ = "Node"
def __init__(self):
self.name = None
self.file_path = None
self.nodes = []
self.controllers = []
self.computes = []
self.baremetals = []
super(self.__class__, self).__init__()
def init(self, attrs):
'''initializes itself from the supplied arguments'''
self.name = attrs["name"]
self.file_path = attrs.get("file", "/etc/yardstick/nodes/pod.yaml")
LOG.info("Parsing pod file: %s", self.file_path)
try:
with open(self.file_path) as stream:
cfg = yaml.load(stream)
except IOError as ioerror:
sys.exit(ioerror)
self.nodes.extend(cfg["nodes"])
self.controllers.extend([node for node in cfg["nodes"]
if node["role"] == "Controller"])
self.computes.extend([node for node in cfg["nodes"]
if node["role"] == "Compute"])
self.baremetals.extend([node for node in cfg["nodes"]
if node["role"] == "Baremetal"])
LOG.debug("Nodes: %r", self.nodes)
LOG.debug("Controllers: %r", self.controllers)
LOG.debug("Computes: %r", self.computes)
LOG.debug("BareMetals: %r", self.baremetals)
def deploy(self):
'''don't need to deploy'''
pass
def undeploy(self):
'''don't need to undeploy'''
pass
def _get_server(self, attr_name):
'''lookup server info by name from context
attr_name: a name for a server listed in nodes config file
'''
if type(attr_name) is dict:
return None
if self.name != attr_name.split(".")[1]:
return None
node_name = attr_name.split(".")[0]
nodes = [n for n in self.nodes
if n["name"] == node_name]
if len(nodes) == 0:
return None
elif len(nodes) > 1:
LOG.error("Duplicate nodes!!!")
LOG.error("Nodes: %r" % nodes)
sys.exit(-1)
# A clone is created in order to avoid affecting the
# original one.
node = dict(nodes[0])
node["name"] = attr_name
return node
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