Exec Wasi
Last updated
Last updated
The exec_wasi input plugin, allows to execute WASM program that is WASI target like as external program and collects event logs from there.
The plugin supports the following configuration parameters:
Key | Description |
---|---|
Here is a configuration example. in_exec_wasi can handle parser. To retrieve from structured data from WASM program, you have to create parser.conf:
Note that Time_Format
should be aligned for the format of your using timestamp. In this documents, we assume that WASM program should write JSON style strings into stdout.
Then, you can specify the above parsers.conf in the main fluent-bit configuration:
WASI_Path
The place of a WASM program file.
Parser
Specify the name of a parser to interpret the entry as a structured message.
Accessible_Paths
Specify the whitelist of paths to be able to access paths from WASM programs.
Interval_Sec
Polling interval (seconds).
Interval_NSec
Polling interval (nanosecond).
Wasm_Heap_Size
Size of the heap size of Wasm execution. Review unit sizes for allowed values.
Wasm_Stack_Size
Size of the stack size of Wasm execution. Review unit sizes for allowed values.
Buf_Size
Size of the buffer (check unit sizes for allowed values)
Oneshot
Only run once at startup. This allows collection of data precedent to fluent-bit's startup (bool, default: false)
Threaded
Indicates whether to run this input in its own thread. Default: false
.