+ @staticmethod
+ def configure_log_level(node, level):
+ """Set Honeycomb logging to the specified level.
+
+ :param node: Honeycomb node.
+ :param level: Log level (INFO, DEBUG, TRACE).
+ :type node: dict
+ :type level: str
+ """
+
+ find = 'logger name=\\"io.fd\\"'
+ replace = '<logger name=\\"io.fd\\" level=\\"{0}\\"/>'.format(level)
+
+ argument = '"/{0}/c\\ {1}"'.format(find, replace)
+ path = "{0}/config/logback.xml".format(Const.REMOTE_HC_DIR)
+ command = "sed -i {0} {1}".format(argument, path)
+
+ ssh = SSH()
+ ssh.connect(node)
+ (ret_code, _, stderr) = ssh.exec_command_sudo(command)
+ if ret_code != 0:
+ raise HoneycombError("Failed to modify configuration on "
+ "node {0}, {1}".format(node, stderr))
+
+ @staticmethod
+ def enable_module_features(node):
+ """Configure Honeycomb to use VPP modules that are disabled by default.
+
+ Note: If the module is not enabled in VPP, Honeycomb will
+ be unable to establish VPP connection.
+
+ :param node: Honeycomb node.
+ :type node: dict
+ :raises HoneycombError: If the configuration could not be changed.
+ """
+
+ disabled_features = {
+ "NSH": "io.fd.honeycomb.vppnsh.impl.VppNshModule"
+ }
+
+ ssh = SSH()
+ ssh.connect(node)
+
+ for feature in disabled_features.keys():
+ # uncomment by replacing the entire line
+ find = replace = "{0}".format(disabled_features[feature])
+
+ argument = '"/{0}/c\\ {1}"'.format(find, replace)
+ path = "{0}/modules/io-fd-honeycomb-vpp-integration*module-config"\
+ .format(Const.REMOTE_HC_DIR)
+ command = "sed -i {0} {1}".format(argument, path)
+
+ (ret_code, _, stderr) = ssh.exec_command_sudo(command)
+ if ret_code != 0:
+ raise HoneycombError("Failed to modify configuration on "
+ "node {0}, {1}".format(node, stderr))