Health
Health input plugin allows you to check how healthy a TCP server is. It does the check by issuing a TCP connection every a certain interval of time.
Configuration Parameters
The plugin supports the following configuration parameters:
Host
Name of the target host or IP address to check.
Port
TCP port where to perform the connection check.
Interval_Sec
Interval in seconds between the service checks. Default value is 1.
Internal_Nsec
Specify a nanoseconds interval for service checks, it works in conjunction with the Interval_Sec configuration key. Default value is 0.
Alert
If enabled, it will only generate messages if the target TCP service is down. By default this option is disabled.
Add_Host
If enabled, hostname is appended to each records. Default value is false.
Add_Port
If enabled, port number is appended to each records. Default value is false.
Threaded
Indicates whether to run this input in its own thread. Default: false.
Getting Started
In order to start performing the checks, you can run the plugin from the command line or through the configuration file:
Command Line
From the command line you can let Fluent Bit generate the checks with the following options:
$ fluent-bit -i health -p host=127.0.0.1 -p port=80 -o stdoutConfiguration File
In your main configuration file append the following Input & Output sections:
Testing
Once Fluent Bit is running, you will see some random values in the output interface similar to this:
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