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syslog.md

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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

Name Requirement Description
host required IP address or the Hostname.
port required Target upstream port.
timeout optional Timeout for the upstream to send data.
tls optional Boolean value to control whether to perform SSL verification
flush_limit optional If 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_limit optional If 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_type optional IP protocol type to use for transport layer. Can be either "tcp" or "udp". Default is "tcp".
max_retry_times optional Max number of retry times after a connect to a log server failed or send log messages to a log server failed.
retry_interval optional The 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_size optional Keepalive 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
        }
    }
}'