Advanced Configuration

The mender-monitor daemon reads the configuration settings from the file /usr/share/mender-monitor/config/config.sh. The default settings are suitable for most use-cases, but you can adjust the following configuration variables if you need to customize the functionalities.

ALERT_URL

The back-end URL mender-monitor will send the alerts to.

MONITOR_D_DIRECTORY

The path to the monitor.d directory.

CONFIG_LOG_LEVEL

A string defining the log level; the possible values are: FATAL, TRACE, ERROR, DEBUG, WARN or INFO.

DAEMON_LOG_FILE

The path to the daemon's log file.

FLAPPING_INTERVAL

The time interval, expressed as a number of seconds, for which we calculate the flapping rate.

FLAPPING_COUNT_THRESHOLD

The number of service state changes per FLAPPING_INTERVAL (see above), after which we consider a service to be flapping.

ALERT_LOG_MAX_AGE

The max number of seconds for which we keep the alerts in memory for flapping detection.

ALERT_OFFLINE_STORE_MAX_COUNT

The maximum number of alerts to store if the device is offline.

DEFAULT_ALERT_LEVEL

The default alert level.

DEFAULT_LOG_ALERT_LEVEL

The default alert level for the log monitoring subsystem.

DEFAULT_SERVICE_ALERT_LEVEL

The default alert level for the service monitoring subsystem.

DEFAULT_DBUS_ALERT_LEVEL

The default alert level for the D-Bus monitoring subsystem.

DEFAULT_LOG_PATTERN_EXPIRATION_SECONDS

The default log pattern expiration period, expreessed as a number of seconds, if not set in the check configuration file with LOG_PATTERN_EXPIRATION.

DEFAULT_LOG_LINES_BEFORE

The default number of lines sent before a line that contained a string that matched a given pattern.

DEFAULT_LOG_LINES_AFTER

The default number of lines sent after a line that contained a string that matched a given pattern.

DEFAULT_ALERT_STORE_RESEND_INTERVAL_S

The default number of seconds in between every attempt to resend an alert in the case of failure.