The input plugins defines the source from where Fluent Bit can collect data, it can be through a network interface, radio hardware or some built-in metric. As of this version the following input plugins are available:
measure total CPU usage of the system.
executes external program and collects event logs.
Fluentd forward protocol.
read first part of files.
Check health of TCP services.
read the Linux Kernel log buffer messages.
measure the total amount of memory used on the system.
start a MQTT server and receive publish messages.
read data information from the serial interface.
read data from the standard input.
read syslog messages from a Unix socket.
read logs from Systemd/Journald.
Listen for JSON messages over TCP.