def start(envType, sleeptime):
'''开始入口，构造cmd'''
# global var
my_config = MyConfig()
host = my_config.get(envType)['host']
username = my_config.get(envType)['username']
password = my_config.get(envType)['password']
if 0 == sleeptime:
sleeptime = my_config.get(envType)['sleeptime']
#generate cmd
# 执行 mongotop 需要账号可以访问 admin 库 权限
my_cmd = "mongotop --host %s --username %s --password %s --authenticationDatabase=admin -vvvvv --json %d" \
% (host, username, password, sleeptime)
# my_cmd = "/usr/bin/mongotop --version"
logger.info("cmd is %s", my_cmd)
#generate connection uri
db_uri = my_config.get(envType)['dbUri']
global collection_name
collection_name = my_config.get(envType)['collection']
# 数据写到 哪个库
database = my_config.get(envType)['database']
logger.info("db uri is %s", db_uri)
client = pymongo.MongoClient(db_uri)
db = client[database]
global collection
collection = db[collection_name]
getTopOutput(my_cmd, sleeptime)
pass
