X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Futil%2Fconfig.py;h=e46b771269f80262c4b294f001f66d091a654b0e;hb=0c228ba1165cda76d90c9c8cc2218a240e10c028;hp=a61ce3d49b44635ed7927c8255b2af20d62a1330;hpb=657e8290ebbb4d6b6bcf337a3bc03aff9b42e62b;p=sfa.git diff --git a/sfa/util/config.py b/sfa/util/config.py index a61ce3d4..e46b7712 100644 --- a/sfa/util/config.py +++ b/sfa/util/config.py @@ -1,125 +1,116 @@ -## -# Geniwrapper Configuration Info -# -# This module holds configuration parameters for geniwrapper. There are two -# main pieces of information that are used: the database connection and -# the PLCAPI connection -## +#!/usr/bin/python +import sys +import os +import ConfigParser +import tempfile +from sfa.util.xml import XML -## -# Geniwrapper uses a MYSQL database to store records. This database may be -# co-located with the PLC database, or it may be a separate database. The -# following parameters define the connection to the database. -# -# Note that Geniwrapper does not access any of the PLC databases directly via -# a mysql connection; All PLC databases are accessed via PLCAPI. - -### $Id$ -### $URL$ - -import os.path -import traceback - -from sfa.util.debug import log +default_config = \ +""" +""" class Config: - """ - Parse the bash/Python/PHP version of the configuration file. Very - fast but no type conversions. - """ - - def __init__(self, config_file = "/etc/sfa/sfa_config"): - self.config_file = None - self.config_path = None - self.data_path = None - self.load(config_file) - - def load(self, config_file): - try: - execfile(config_file, self.__dict__) - self.config_file = config_file - # path to configuration data - self.config_path = os.path.dirname(config_file) - - # path to server data - if not hasattr(self, 'SFA_DATA_DIR'): - # default to /var/lib/sfa not specified in config - self.SFA_DATA_DIR="/var/lib/sfa" - self.data_path = self.SFA_DATA_DIR + + def __init__(self, config_file='/etc/sfa/sfa_config'): + self.config = ConfigParser.ConfigParser() + self.filename = config_file + if not os.path.isfile(self.filename): + self.create(self.filename) + self.load(self.filename) + + def create(self, filename): + if not os.path.exists(os.path.dirname(filename)): + os.makedirs(os.path.dirname(filename)) + configfile = open(filename, 'w') + configfile.write(default_config) + configfile.close() + + + def load(self, filename): + if filename: + if filename.endswith('.xml'): + try: + self.load_xml(filename) + except: + raise + self.config.read(filename) else: - self.data_path = self.SFA_DATA_DIR + self.config.read(filename) + self.set_attributes() - # path to config data - if not hasattr(self, 'SFA_CONFIG_DIR'): - # default to /var/lib/sfa not specified in config - self.SFA_CONFIG_DIR="/etc/sfa" - - # define interface types - # this will determine which manager to use - if not hasattr(self, 'SFA_REGISTRY_TYPE'): - self.SFA_REGISTRY_TYPE='pl' - - if not hasattr(self, 'SFA_AGGREGATE_TYPE'): - self.SFA_AGGREGATE_TYPE='pl' - - if not hasattr(self, 'SFA_SM_TYPE'): - self.SFA_SM_TYPE='pl' - - if not hasattr(self, 'SFA_CM_TYPE'): - self.SFA_COMPONENT_TYPE='pl' - - # create the data directory if it doesnt exist - if not os.path.isdir(self.SFA_DATA_DIR): - try: - os.mkdir(self.SFA_DATA_DIR) - except: pass - - except IOError, e: - raise IOError, "Could not find the configuration file: %s" % config_file - - def get_trustedroots_dir(self): - return self.config_path + os.sep + 'trusted_roots' - - def get_openflow_aggrMgr_info(self): - aggr_mgr_ip = 'localhost' - if (hasattr(self,'OPENFLOW_AGGREGATE_MANAGER_IP')): - aggr_mgr_ip = self.OPENFLOW_AGGREGATE_MANAGER_IP - - aggr_mgr_port = 2603 - if (hasattr(self,'OPENFLOW_AGGREGATE_MANAGER_PORT')): - aggr_mgr_port = self.OPENFLOW_AGGREGATE_MANAGER_PORT - - return (aggr_mgr_ip,aggr_mgr_port) - - def get_aggregate_rspec_type(self): - if (hasattr(self,'SFA_AGGREGATE_RSPEC_TYPE')): - return self.SFA_AGGREGATE_RSPEC_TYPE - else: - return "pl" - - def get_plc_dbinfo(self): - return { - 'dbname' : self.SFA_PLC_DB_NAME, - 'address' : self.SFA_PLC_DB_HOST, - 'port' : self.SFA_PLC_DB_PORT, - 'user' : self.SFA_PLC_DB_USER, - 'password' : self.SFA_PLC_DB_PASSWORD - } - - ## - # Geniwrapper uses a PLCAPI connection to perform operations on the registry, - # such as creating and deleting slices. This connection requires an account - # on the PLC server with full administrator access. - # - # The Url parameter controls whether the connection uses PLCAPI directly (i.e. - # Geniwrapper is located on the same machine as PLC), or uses a XMLRPC connection - # to the PLC machine. If you wish to use the API directly, then remove the Url - # field from the dictionary. - - def get_plc_auth(self): - return { - 'AuthMethod': 'capability', - 'Username': self.SFA_PLC_USER, - 'AuthString': self.SFA_PLC_PASSWORD, - "Url": self.SFA_PLC_URL - } + def load_xml(self, filename): + xml = XML(filename) + categories = xml.xpath('//configuration/variables/category') + for category in categories: + section_name = category.get('id') + if not self.config.has_section(section_name): + self.config.add_section(section_name) + options = category.xpath('./variablelist/variable') + for option in options: + option_name = option.get('id') + value = option.xpath('./value')[0].text + if not value: + value = "" + self.config.set(section_name, option_name, value) + + + def locate_varname(self, varname): + varname = varname.lower() + sections = self.config.sections() + section_name = "" + var_name = "" + for section in sections: + if varname.startswith(section.lower()) and len(section) > len(section_name): + section_name = section.lower() + var_name = varname.replace(section_name, "")[1:] + if not self.config.has_option(section_name, var_name): + raise ConfigParser.NoOptionError(varname, section_name) + return (section_name, var_name) + + def set_attributes(self): + sections = self.config.sections() + for section in sections: + for item in self.config.items(section): + name = "%s_%s" % (section, item[0]) + value = item[1] + setattr(self, name, value) + setattr(self, name.upper(), value) + + + def verify(self, config1, config2, validate_method): + return True + + def validate_type(self, var_type, value): + return True + + def dump(self, sections = []): + if not sections: + sections = self.config.sections() + print "" + for section in sections: + print "[%s]" % section + for item in self.config.items(section): + print "%s=%s" % (item[0], item[1]) + print "" + + def write(self, filename=None): + if not filename: + filename = self.filename + configfile = open(filename, 'w') + self.config.write(configfile) + + def save(self, filename=None): + self.write(filename) + + def __getattr__(self, attr): + return getattr(self.config, attr) + +if __name__ == '__main__': + filename = None + if len(sys.argv) > 1: + filename = sys.argv[1] + config = Config(filename) + else: + config = Config() + config.dump() +