def get_all_node(self):
if os.path.exists(NODE_CACHE):
tidy_node_list = CacheHandler.unserialize(NODE_CACHE)
else:
tidy_node_list = self.update_node_cache()
return tidy_node_list
def get_previous_node(self, succ=True, append_err=True):
""" get previous nodes who were kicked successfully or failed
Args:
succ: if True return nodes who is kicked successfully
if False return nodes who is kicked failed
"""
result_cache = CacheHandler.unserialize(RESULT_CACHE)
nodes = []
for result in result_cache:
# each element is [host, stdout, stderr, status]
host = result[0]
err = result[2]
if succ:
if result[3]: nodes.append(host)
else:
if not result[3]:
if append_err:
nodes.append([host,err])
else:
nodes.append(host)
return nodes
