def _emit_changes_in_default_configuration()

in azurelinuxagent/ga/update.py [0:0]

• 44 lines of code
• 13 McCabe index (conditional complexity)

    def _emit_changes_in_default_configuration():
        try:
            def log_event(msg):
                logger.info("******** {0} ********", msg)
                add_event(AGENT_NAME, op=WALAEventOperation.ConfigurationChange, message=msg)

            def log_if_int_changed_from_default(name, current, message=""):
                default = conf.get_int_default_value(name)
                if default != current:
                    log_event("{0} changed from its default: {1}. New value: {2}. {3}".format(name, default, current, message))

            def log_if_op_disabled(name, value):
                if not value:
                    log_event("{0} is set to False, not processing the operation".format(name))

            def log_if_agent_versioning_feature_disabled():
                supports_ga_versioning = False
                for _, feature in get_agent_supported_features_list_for_crp().items():
                    if feature.name == SupportedFeatureNames.GAVersioningGovernance:
                        supports_ga_versioning = True
                        break
                if not supports_ga_versioning:
                    msg = "Agent : {0} doesn't support GA Versioning".format(CURRENT_VERSION)
                    log_event(msg)

            log_if_int_changed_from_default("Extensions.GoalStatePeriod", conf.get_goal_state_period(),
                "Changing this value affects how often extensions are processed and status for the VM is reported. Too small a value may report the VM as unresponsive")
            log_if_int_changed_from_default("Extensions.InitialGoalStatePeriod", conf.get_initial_goal_state_period(),
                "Changing this value affects how often extensions are processed and status for the VM is reported. Too small a value may report the VM as unresponsive")
            log_if_op_disabled("OS.EnableFirewall", conf.enable_firewall())
            log_if_op_disabled("Extensions.Enabled", conf.get_extensions_enabled())
            log_if_op_disabled("AutoUpdate.Enabled", conf.get_autoupdate_enabled())
            log_if_op_disabled("AutoUpdate.UpdateToLatestVersion", conf.get_auto_update_to_latest_version())

            if conf.is_present("AutoUpdate.Enabled") and conf.get_autoupdate_enabled() != conf.get_auto_update_to_latest_version():
                msg = "AutoUpdate.Enabled property is **Deprecated** now but it's set to different value from AutoUpdate.UpdateToLatestVersion. Please consider removing it if added by mistake"
                logger.warn(msg)
                add_event(AGENT_NAME, op=WALAEventOperation.ConfigurationChange, message=msg)

            if conf.enable_firewall():
                log_if_int_changed_from_default("OS.EnableFirewallPeriod", conf.get_enable_firewall_period())

            if conf.get_autoupdate_enabled():
                log_if_int_changed_from_default("Autoupdate.Frequency", conf.get_autoupdate_frequency())

            if conf.get_enable_fast_track():
                log_if_op_disabled("Debug.EnableFastTrack", conf.get_enable_fast_track())

            if conf.get_lib_dir() != "/var/lib/waagent":
                log_event("lib dir is in an unexpected location: {0}".format(conf.get_lib_dir()))

            log_if_agent_versioning_feature_disabled()

        except Exception as e:
            logger.warn("Failed to log changes in configuration: {0}", ustr(e))