saltstack主机管理项目【day39】:主机管理项目开发
#!/usr/bin/env python# -*- coding:utf-8 -*-
# Author:Alex Li
from Arya.backends.base_module import BaseSaltModule
import os
class State(BaseSaltModule):
def load_state_files(self,state_filename): #加载yumfeile
from yaml import load, dump
try:
from yaml import CLoader as Loader, CDumper as Dumper
except ImportError:
from yaml import Loader, Dumper
state_file_path = "%s/%s" %(self.settings.SALT_CONFIG_FILES_DIR,state_filename)
if os.path.isfile(state_file_path):
with open(state_file_path) as f:
data = load(f.read(), Loader=Loader)
return data
else:
exit("%s is not a valid yaml config file" % state_filename)
def apply(self):
'''
1. load the configurations file
2. parse it
3. create a task and sent it to the MQ
4. collect the result with task-callback> :return:
'''
if '-f' in self.sys_argvs:
yaml_file_index = self.sys_argvs.index('-f') + 1
try:
yaml_filename = self.sys_argvs
state_data = self.load_state_files(yaml_filename)
#print('state data:',state_data)
for os_type,os_type_data in self.config_data_dic.items(): #按照不同的操作系统单独生成一份配置文件
for section_name,section_data in state_data.items():
print('Section:',section_name)
for mod_name,mod_data in section_data.items():
base_mod_name = mod_name.split(".")
plugin_file_path = "%s/%s.py" % (self.settings.SALT_PLUGINS_DIR,base_mod_name)
if os.path.isfile(plugin_file_path):
#导入 模块
module_plugin = __import__('plugins.%s' %base_mod_name)
special_os_module_name = "%s%s" %(os_type.capitalize(),base_mod_name.capitalize())
#print('dir module plugin:',module_plugin,base_mod_name)
#getattr(module_plugin,base_mod_name)
module_file= getattr(module_plugin, base_mod_name) # 这里才是真正导入模块
if hasattr(module_file, special_os_module_name): #判断有没有根据操作系统的类型进行特殊解析 的类，在这个文件里
module_instance = getattr(module_file, special_os_module_name)
else:
module_instance = getattr(module_file, base_mod_name.capitalize())
#开始调用 此module 进行配置解析
module_obj = module_instance(self.sys_argvs,self.db_models,self.settings)
module_obj.syntax_parser(section_name,mod_name,mod_data )
else:
exit("module [%s] is not exist" % base_mod_name)
#print("",mod_name)
#for state_item in mod_data:
# print("\t",state_item)
except IndexError as e:
exit("state file must be provided after -f")
else:
exit("statefile must be specified.")
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