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python2.7
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procfs
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clcommon
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clhook.py
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#!/usr/bin/python import os import shutil import subprocess import simplejson as json import ConfigParser CL_CONFIG = '/etc/sysconfig/cloudlinux' HOOK_SECTION = 'hooks' HOOK_SEPARATOR = ';' DEBUG_STRING = 'python-cllib:clhook:' def get_config(file_name): ''' read config from file_name return config ''' config = ConfigParser.ConfigParser() config.optionxform = str # make config case sensitive config.read(file_name) return config def write_config(config, file_name, debug_local_name): ''' write config to file_name return [BOOLEAN_STATE, MESSAGE] ''' try: tmp_cfg_path = file_name + '.' + str(os.getpid()) tmpconfig = open(tmp_cfg_path,'w') config.write(tmpconfig) tmpconfig.close() shutil.move(tmp_cfg_path, file_name) except IOError: return [False, debug_local_name + str(file_name) + ' write error\n'] return [True, 'OK\n'] def get_hook_list_from_file(hook_prefix, config_file = CL_CONFIG): ''' return [BOOLEAN_STATE, hook_list] ''' hook_list = [] config = get_config(config_file) try: hook_list = config.get(HOOK_SECTION, hook_prefix).split(HOOK_SEPARATOR) except (ConfigParser.NoOptionError, ConfigParser.NoSectionError): return [False, hook_list] return [True, hook_list] def register_hook(hook_path, hook_prefix, config_file = CL_CONFIG): ''' add hook to config file return [BOOLEAN_STATE, MESSAGE] ''' debug_local_name = DEBUG_STRING + 'register_hook:' config = get_config(config_file) try: hook_list = config.get(HOOK_SECTION, hook_prefix).split(HOOK_SEPARATOR) if hook_path in hook_list: return [True, debug_local_name + 'Hook ' + str(hook_path) + ' already registred\n' ] hook_list.append(hook_path) config.set(HOOK_SECTION, hook_prefix, HOOK_SEPARATOR.join(hook_list)) except ConfigParser.NoSectionError: config.add_section(HOOK_SECTION) config.set(HOOK_SECTION, hook_prefix, hook_path) except ConfigParser.NoOptionError: config.set(HOOK_SECTION, hook_prefix, hook_path) return write_config(config, config_file, debug_local_name) def unregister_hook(hook_path, hook_prefix, config_file = CL_CONFIG): ''' remove hook from config_file return [BOOLEAN_STATE, MESSAGE] ''' debug_local_name = DEBUG_STRING + 'unregister_hook:' hook_list = [] config = get_config(config_file) try: hook_list = config.get(HOOK_SECTION, hook_prefix).split(HOOK_SEPARATOR) hook_list.remove(hook_path) config.set(HOOK_SECTION, hook_prefix, HOOK_SEPARATOR.join(hook_list)) return write_config(config, config_file, debug_local_name) except (ConfigParser.NoSectionError, ConfigParser.NoOptionError, ValueError): return [True, 'OK\n'] def call_hook_list(hook_list, data): ''' call hooks and send data as json to stdin return [BOOLEAN_STATUS, message] ''' debug_local_name = DEBUG_STRING + 'call_hook:' json_encode = json.dumps(data) for hook in hook_list: if os.path.isfile(hook) and os.access(hook, os.X_OK): try: pipe = subprocess.Popen(hook, stdin=subprocess.PIPE, stdout = subprocess.PIPE, stderr=subprocess.PIPE) pipe.stdin.write(json_encode) pipe.communicate() except OSError: return [False, debug_local_name + 'Hook call error\n'] else: return [False, debug_local_name + str(hook) + ' : isn`t file or isn`t runnable\n'] return [True, 'OK\n']
/home/../lib/python2.7/site-packages/procfs/../clcommon/clhook.py