UBX GNSS data -> telegraf using pyubx2 outputting JSON

telegraf.conf

# The lambda function coerces pyubx2 into outputting JSON. Requires importing the `jsons` library

[[inputs.execd]]
  command = ["gnssdump",  \
             "port=/dev/ttyACM0", \
             "baudrate=921600",
             "protfilter=2", \
             "verbosity=0", \
             "ubxhandler=lambda msg: print(jsons.dumps((lambda msg: {key:value for (key,value) in dict(msg.__dict__, **{'msg':msg.identity}).items() if not key.startswith('_') } )(msg)))", \
             "msgfilter=NAV-PVT"]
  data_format = "json"