Summary

Name

sys is a plugin which push Log data requests to Syslog.

This will provide the ability to send Log data requests as JSON objects.

Attributes

NameRequirementDescription
hostrequiredIP address or the Hostname.
portrequiredTarget upstream port.
timeoutoptionalTimeout for the upstream to send data.
tlsoptionalBoolean value to control whether to perform SSL verification
flush_limitoptionalIf the buffered messages' size plus the current message size reaches (>=) this limit (in bytes), the buffered log messages will be written to log server. Default to 4096 (4KB).
drop_limitoptionalIf the buffered messages' size plus the current message size is larger than this limit (in bytes), the current log message will be dropped because of limited buffer size. Default drop_limit is 1048576 (1MB).
sock_typeoptionalIP protocol type to use for transport layer. Can be either “tcp” or “udp”. Default is “tcp”.
max_retry_timesoptionalMax number of retry times after a connect to a log server failed or send log messages to a log server failed.
retry_intervaloptionalThe time delay (in ms) before retry to connect to a log server or retry to send log messages to a log server, default to 100 (0.1s).
pool_sizeoptionalKeepalive pool size used by sock:keepalive. Default to 10.

How To Enable

The following is an example on how to enable the sys-logger for a specific route.

curl http://127.0.0.1:9080/apisix/admin/consumers -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "username": "foo",
    "plugins": {
          "plugins": {
                "syslog": {
                     "host" : "127.0.0.1",
                     "port" : 5044,
                     "flush_limit" : 1
                  }
           },
          "upstream": {
               "type": "roundrobin",
               "nodes": {
                   "127.0.0.1:1980": 1
               }
          },
          "uri": "/hello"
    }
}'

Test Plugin

  • success:
$ curl -i http://127.0.0.1:9080/hello
HTTP/1.1 200 OK
...
hello, world

Disable Plugin

Remove the corresponding json configuration in the plugin configuration to disable the sys-logger. APISIX plugins are hot-reloaded, therefore no need to restart APISIX.

$ curl http://127.0.0.1:2379/apisix/admin/routes/1  -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='
{
    "methods": ["GET"],
    "uri": "/hello",
    "plugins": {},
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "127.0.0.1:1980": 1
        }
    }
}'