monasca-agent/tests/common.py

79 lines
2.6 KiB
Python

import sys
import inspect
import os
import signal
from monagent.collector.checks import AgentCheck
from monagent.common.config import get_checksd_path
from monagent.common.util import get_os
def load_check(name, config, agent_config):
checksd_path = get_checksd_path(get_os())
if checksd_path not in sys.path:
sys.path.append(checksd_path)
check_module = __import__(name)
check_class = None
classes = inspect.getmembers(check_module, inspect.isclass)
for name, clsmember in classes:
if clsmember == AgentCheck:
continue
if issubclass(clsmember, AgentCheck):
check_class = clsmember
if AgentCheck in clsmember.__bases__:
continue
else:
break
if check_class is None:
raise Exception(
"Unable to import check %s. Missing a class that inherits AgentCheck" % name)
init_config = config.get('init_config', None)
instances = config.get('instances')
# init the check class
try:
return check_class(
name, init_config=init_config, agent_config=agent_config, instances=instances)
except:
# Backwards compatitiblity for old checks that don't support the
# instances argument.
c = check_class(name, init_config=init_config, agent_config=agent_config)
c.instances = instances
return c
def kill_subprocess(process_obj):
try:
process_obj.terminate()
except AttributeError:
# py < 2.6 doesn't support process.terminate()
if get_os() == 'windows':
import ctypes
PROCESS_TERMINATE = 1
handle = ctypes.windll.kernel32.OpenProcess(PROCESS_TERMINATE, False,
process_obj.pid)
ctypes.windll.kernel32.TerminateProcess(handle, -1)
ctypes.windll.kernel32.CloseHandle(handle)
else:
os.kill(process_obj.pid, signal.SIGKILL)
def get_check(name, config_str):
checksd_path = get_checksd_path(get_os())
if checksd_path not in sys.path:
sys.path.append(checksd_path)
check_module = __import__(name)
check_class = None
classes = inspect.getmembers(check_module, inspect.isclass)
for name, clsmember in classes:
if AgentCheck in clsmember.__bases__:
check_class = clsmember
break
if check_class is None:
raise Exception(
"Unable to import check %s. Missing a class that inherits AgentCheck" % name)
return check_class.from_yaml(yaml_text=config_str, check_name=name)