def validate()

in ccmlib/cmds/cluster_cmds.py [0:0]

• 19 lines of code
• 9 McCabe index (conditional complexity)

    def validate(self, parser, options, args):
        Cmd.validate(self, parser, options, args, cluster_name=True)
        if options.ipprefix and options.ipformat:
            parser.print_help()
            parser.error("%s and %s may not be used together" % (parser.get_option('-i'), parser.get_option('-I')))
        self.nodes = parse_populate_count(options.nodes)
        if self.options.vnodes and self.nodes is None:
            print_("Can't set --vnodes if not populating cluster in this command.")
            parser.print_help()
            exit(1)
        if not options.version:
            try:
                common.validate_install_dir(options.install_dir)
            except ArgumentError:
                parser.print_help()
                parser.error("%s is not a valid cassandra directory. You must define a cassandra dir or version." % options.install_dir)

            common.assert_jdk_valid_for_cassandra_version(extension.get_cluster_class(options.install_dir).getNodeClass().get_version_from_build(options.install_dir))

        if common.is_win() and os.path.exists('c:\windows\system32\java.exe'):
            print_("""WARN: c:\windows\system32\java.exe exists.