Python Configuration.remove方法代码示例

# 需要导入模块: from scalarizr.libs.metaconf import Configuration [as 别名]
# 或者: from scalarizr.libs.metaconf.Configuration import remove [as 别名]
	def apply_preset(self, preset):
		conf = Configuration(self._config_format)
		conf.read(self._config_path)
		
		self._before_apply_preset()
		
		ver = self._software_version
		for opt in self._manifest:
			path = opt.name if not opt.section else '%s/%s' % (opt.section, opt.name)
			
			try:
				value = conf.get(path)
			except NoPathError:
				value = ''
			
			if opt.name in preset.settings:
				new_value = preset.settings[opt.name]
				
				# Skip unsupported
				if ver and opt.supported_from and opt.supported_from > ver:
					self._logger.debug("Skipping option '%s' supported from %s; installed %s" % 
							(opt.name, opt.supported_from, ver))
					continue
								
				if not opt.default_value:
					self._logger.debug("Option '%s' has no default value" % opt.name)
					pass		
				elif new_value == opt.default_value: 
					if value:
						self._logger.debug("Option '%s' equal to default. Removing." % opt.name)
						conf.remove(path)
					self._after_remove_option(opt)				
					continue	
				
				if self.definitions and new_value in self.definitions:
					manifest = Configuration('ini')
					if os.path.exists(self._manifest_path):
						manifest.read(self._manifest_path)
					try:
						if manifest.get('%s/type' % opt.name) == 'boolean':
							new_value = self.definitions[new_value]
					except NoPathError, e:
						pass
				
				self._logger.debug("Check that '%s' value changed:'%s'='%s'"%(opt.name, value, new_value))
					
				if new_value == value:
					self._logger.debug("Skip option '%s'. Not changed" % opt.name)
					pass
				else:
					self._logger.debug("Set option '%s' = '%s'" % (opt.name, new_value))
					self._logger.debug('Set path %s = %s', path, new_value)
					conf.set(path, new_value, force=True)
					self._after_set_option(opt, new_value)
			else:
				if value:
					self._logger.debug("Removing option '%s'. Not found in preset" % opt.name)	
					conf.remove(path)
				self._after_remove_option(opt)

# 需要导入模块: from scalarizr.libs.metaconf import Configuration [as 别名]
# 或者: from scalarizr.libs.metaconf.Configuration import remove [as 别名]
class MysqlProxyHandler(ServiceCtlHandler):


    def __init__(self):
        self._logger = logging.getLogger(__name__)
        self.service = initdv2.lookup(BEHAVIOUR)
        self._service_name = BEHAVIOUR
        bus.on(init=self.on_init)


    def accept(self, message, queue, behaviour=None, platform=None, os=None, dist=None):
        return message.behaviour and is_mysql_role(message.behaviour) and message.name in (
                    Messages.HOST_UP,
                    Messages.HOST_DOWN,
                    NEW_MASTER_UP,
                    DbMsrMessages.DBMSR_NEW_MASTER_UP
        )


    def on_init(self):
        bus.on(
            start=self.on_start,
            before_host_up=self.on_before_host_up,
            reload=self.on_reload
        )


    def on_reload(self):
        self._reload_backends()


    def on_start(self):
        cnf = bus.cnf
        if cnf.state == config.ScalarizrState.RUNNING:
            self._reload_backends()


    def on_before_host_up(self, msg):
        self._reload_backends()


    def _reload_backends(self):
        self._logger.info('Updating mysql-proxy backends list')
        self.config = Configuration('mysql')
        if os.path.exists(CONFIG_FILE_PATH):
            self.config.read(CONFIG_FILE_PATH)
            self.config.remove('./mysql-proxy/proxy-backend-addresses')
            self.config.remove('./mysql-proxy/proxy-read-only-backend-addresses')

        try:
            self.config.get('./mysql-proxy')
        except NoPathError:
            self.config.add('./mysql-proxy')

        queryenv = bus.queryenv_service
        roles = queryenv.list_roles()
        master = None
        slaves = []

        for role in roles:
            if not is_mysql_role(role.behaviour):
                continue

            for host in role.hosts:
                ip = host.internal_ip or host.external_ip
                if host.replication_master:
                    master = ip
                else:
                    slaves.append(ip)

        if master:
            self._logger.debug('Adding mysql master %s to  mysql-proxy defaults file', master)
            self.config.add('./mysql-proxy/proxy-backend-addresses', '%s:3306' % master)
        if slaves:
            self._logger.debug('Adding mysql slaves to  mysql-proxy defaults file: %s', ', '.join(slaves))
            for slave in slaves:
                self.config.add('./mysql-proxy/proxy-read-only-backend-addresses', '%s:3306' % slave)

        self.config.set('./mysql-proxy/pid-file', PID_FILE, force=True)
        self.config.set('./mysql-proxy/daemon', 'true', force=True)
        self.config.set('./mysql-proxy/log-file', LOG_FILE, force=True)
        if self.service.version > (0,8,0):
            self.config.set('./mysql-proxy/plugins', 'proxy', force=True)

        self._logger.debug('Saving new mysql-proxy defaults file')
        self.config.write(CONFIG_FILE_PATH)
        os.chmod(CONFIG_FILE_PATH, 0660)

        self.service.restart()


    def on_HostUp(self, message):
        self._reload_backends()

    on_DbMsr_NewMasterUp = on_Mysql_NewMasterUp = on_HostDown = on_HostUp

# 需要导入模块: from scalarizr.libs.metaconf import Configuration [as 别名]
# 或者: from scalarizr.libs.metaconf.Configuration import remove [as 别名]
class MongoDBConfig(BaseConfig):

    config_type = "mongodb"
    config_name = os.path.basename(CONFIG_PATH_DEFAULT)

    @classmethod
    def find(cls, config_dir=None):
        # conf_path = UBUNTU_CONFIG_PATH if disttool.is_ubuntu() else CENTOS_CONFIG_PATH
        return cls(os.path.join(config_dir, cls.config_name) if config_dir else CONFIG_PATH_DEFAULT)

    def set(self, option, value):
        if not self.data:
            self.data = Configuration(self.config_type)
            if os.path.exists(self.path):
                self.data.read(self.path)
        if value:
            self.data.set(option, value, force=True)
        else:
            self.data.remove(option)
        if self.autosave:
            self.save_data()
            self.data = None

    def set_bool_option(self, option, value):
        try:
            assert value in (None, True, False)
        except AssertionError:
            raise ValueError("%s must be a boolean (got %s instead)" % (option, type(value)))
        value_to_set = None if value is None else str(value).lower()
        self.set(option, value_to_set)

    def get_bool_option(self, option):
        value = self.get(option)
        try:
            assert not value or value == "true" or value == "false"
        except AssertionError:
            raise ValueError("%s must be true or false (got %s instead)" % (option, type(value)))
        return True if value == "true" else False

    def _get_logpath(self):
        return self.get("logpath")

    def _set_logpath(self, path):
        self.set("logpath", path)

    def _get_replSet(self):
        return self.get("replSet")

    def _set_replSet(self, name):
        self.set("replSet", name)

    def _get_port(self):
        return self.get_numeric_option("port")

    def _set_port(self, number):
        self.set_numeric_option("port", number)

    def _get_logappend(self):
        return self.get_bool_option("logappend")

    def _set_logappend(self, on=True):
        self.set_bool_option("logappend", on)

    def _get_dbpath(self):
        return self.get("dbpath")

    def _set_dbpath(self, path):
        self.set_path_type_option("dbpath", path)

    def _get_nojournal(self):
        return self.get_bool_option("nojournal")

    def _set_nojournal(self, on=False):
        self.set_bool_option("nojournal", on)

    def _get_nohttpinterface(self):
        return self.get_bool_option("nohttpinterface")

    def _set_nohttpinterface(self, on=False):
        self.set_bool_option("nohttpinterface", on)

    def _get_rest(self):
        return self.get_bool_option("rest")

    def _set_rest(self, on=False):
        self.set_bool_option("rest", on)

    def _set_shardsvr(self, value):
        self.set_bool_option("shardsvr", value)

    def _get_shardsvr(self):
        return self.get_bool_option("shardsvr")

    shardsvr = property(_get_shardsvr, _set_shardsvr)
    rest = property(_get_rest, _set_rest)
    nohttpinterface = property(_get_nohttpinterface, _set_nohttpinterface)
    nojournal = property(_get_nojournal, _set_nojournal)
    dbpath = property(_get_dbpath, _set_dbpath)
    logappend = property(_get_logappend, _set_logappend)
    port = property(_get_port, _set_port)
#.........这里部分代码省略.........