Contents
This package provides generic nodes for monitoring a linux host.
Nodes
hd_monitor.py
Monitor hard drive status through the hddtemp daemon. This checks each drive's temperature using SMART, and checks that drives have not been removed or unplugged.Published Topics
diagnostics (diagnostic_msgs/DiagnosticArray)- Hard drive diagnostic information
ntp_monitor.py
Monitor NTP sync status between computers. The hostname to connect is specified as the first command-line argument, and the offset tolerances can be set with additional command-line arguments. See rosrun diagnostic_common_diagnostics ntp_monitor.py -h for more options.Published Topics
diagnostics (diagnostic_msgs/DiagnosticArray)- NTP diagnostic information
sensors_monitor.py
Monitor system sensors using the sensors command. This checks the system's built-in temperature, voltage, and fan speed status, using the system's default thresholds.Published Topics
diagnostics (diagnostic_msgs/DiagnosticArray)- Sensor diagnostic information
Parameters
~ignore_fans (bool, default: False)- Ignore fan speed warnings
tf_monitor.py
Monitor TF status. Checks are made that TF messages are being published, that transforms are up-to-date, that no cycles are present in the TF status, that there is a single authority publishing each transform, and that frames have a consistent parent.Subscribed Topics
tf (tf/tfMessage)- TF topic
Published Topics
diagnostics (diagnostic_msgs/DiagnosticArray)- TF diagnostic information
