def __clean_bat()

in ccmlib/node.py [0:0]

• 26 lines of code
• 3 McCabe index (conditional complexity)

    def __clean_bat(self):
        # While the Windows specific changes to the batch files to get them to run are
        # fairly extensive and thus pretty brittle, all the changes are very unique to
        # the needs of ccm and shouldn't be pushed into the main repo.

        # Change the nodes to separate jmx ports
        bin_dir = os.path.join(self.get_path(), 'bin')
        jmx_port_pattern = "-Dcom.sun.management.jmxremote.port="
        bat_file = os.path.join(bin_dir, "cassandra.bat")
        common.replace_in_file(bat_file, jmx_port_pattern, " " + jmx_port_pattern + self.jmx_port + "^")

        # Split binaries from conf
        home_pattern = "if NOT DEFINED CASSANDRA_HOME set CASSANDRA_HOME=%CD%"
        common.replace_in_file(bat_file, home_pattern, "set CASSANDRA_HOME=" + self.get_install_dir())

        classpath_pattern = "set CLASSPATH=\\\"%CASSANDRA_HOME%\\\\conf\\\""
        common.replace_in_file(bat_file, classpath_pattern, "set CCM_DIR=\"" + self.get_path() + "\"\nset CLASSPATH=\"%CCM_DIR%\\conf\"")

        # escape the double quotes in name of the lib files in the classpath
        jar_file_pattern = "do call :append \"%%i\""
        for_statement = "for %%i in (\"%CASSANDRA_HOME%\lib\*.jar\")"
        common.replace_in_file(bat_file, jar_file_pattern, for_statement + " do call :append \\\"%%i\\\"")

        # escape double quotes in java agent path
        class_dir_pattern = "-javaagent:"
        common.replace_in_file(bat_file, class_dir_pattern, " -javaagent:\\\"%CASSANDRA_HOME%\\lib\\jamm-0.2.5.jar\\\"^")

        # escape the double quotes in name of the class directories
        class_dir_pattern = "set CASSANDRA_CLASSPATH="
        main_classes = "\\\"%CASSANDRA_HOME%\\build\\classes\\main\\\";"
        thrift_classes = "\\\"%CASSANDRA_HOME%\\build\\classes\\thrift\\\""
        common.replace_in_file(bat_file, class_dir_pattern, "set CASSANDRA_CLASSPATH=%CLASSPATH%;" +
                               main_classes + thrift_classes)

        # background the server process and grab the pid
        run_text = "\\\"%JAVA_HOME%\\bin\\java\\\" %JAVA_OPTS% %CASSANDRA_PARAMS% -cp %CASSANDRA_CLASSPATH% \\\"%CASSANDRA_MAIN%\\\""
        run_pattern = ".*-cp.*"
        common.replace_in_file(bat_file, run_pattern, "wmic process call create \"" + run_text + "\" > \"" +
                               self.get_path() + "/dirty_pid.tmp\"\n")

        # On Windows, remove the VerifyPorts check from cassandra.ps1
        if self.cluster.version() >= '2.1':
            common.replace_in_file(os.path.join(self.get_path(), 'bin', 'cassandra.ps1'), '        VerifyPortsAreAvailable', '')

        # Specifically call the .ps1 file in our node's folder
        common.replace_in_file(bat_file, 'powershell /file .*', 'powershell /file "' + os.path.join(self.get_path(), 'bin', 'cassandra.ps1" %*'))