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skywalking-logger is a plugin which push Access Log data to SkyWalking OAP server over HTTP. If there is tracing context existing, it sets up the trace-log correlation automatically, and relies on SkyWalking Cross Process Propagation Headers Protocol.

This will provide the ability to send Access Log as JSON objects to SkyWalking OAP server.


endpoint_addrstringrequiredThe URI of the SkyWalking OAP server.
service_namestringoptional"APISIX"service name for SkyWalking reporter.
service_instance_namestringoptional"APISIX Instance Name"service instance name for SkyWalking reporter, set it to $hostname to get local hostname directly.
timeoutintegeroptional3[1,...]Time to keep the connection alive after sending a request.
namestringoptional"skywalking logger"A unique identifier to identity the logger.
include_req_bodybooleanoptionalfalse[false, true]Whether to include the request body. false: indicates that the requested body is not included; true: indicates that the requested body is included.

The plugin supports the use of batch processors to aggregate and process entries(logs/data) in a batch. This avoids frequent data submissions by the plugin, which by default the batch processor submits data every 5 seconds or when the data in the queue reaches 1000. For information or custom batch processor parameter settings, see Batch-Processor configuration section.

How To Enable#

The following is an example of how to enable the skywalking-logger for a specific route. Before that, an available SkyWalking OAP server was required and accessible.

curl -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '{      "plugins": {            "skywalking-logger": {                "endpoint_addr": ""            }       },      "upstream": {           "type": "roundrobin",           "nodes": {               "": 1           }      },      "uri": "/hello"}'

Test Plugin#


$ curl -i 200 OK...hello, world

Completion of the steps, could find the Log details on SkyWalking UI.


skywalking-logger also supports to custom log format like http-logger.

log_formatobjectoptional{"host": "$host", "@timestamp": "$time_iso8601", "client_ip": "$remote_addr"}Log format declared as key value pair in JSON format. Only string is supported in the value part. If the value starts with $, it means to get APISIX variables or Nginx variable.

Note that the metadata configuration is applied in global scope, which means it will take effect on all Route or Service which use skywalking-logger plugin.

Disable Plugin#

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

$ curl  -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '{    "uri": "/hello",    "plugins": {},    "upstream": {        "type": "roundrobin",        "nodes": {            "": 1        }    }}'