sandy420 opened a new issue #5512:
URL: https://github.com/apache/apisix/issues/5512
### Issue description
I found that the values obtained by $request_time,
upstream_response_time, and upstream_header_time in the logs collected by
kafka-logger are wrong, and the values of the nginx variables output in the
access.log under the logs directory of apisix are correct.
In theory, a request should be $request_time greater than
upstream_response_time; $upstream_response_time greater than
upstream_header_time, but the results of the ELK query in the ELK collected by
the kafka-logger plugin do not match the actual.
### Environment
- apisix version (cmd: `apisix version`):apisix2.10.1
- OS (cmd: `uname -a`):centos 7.3
- OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):1.19
- etcd version, if have (cmd: run `curl
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):3.4
- apisix-dashboard version, if have:no
- the plugin runner version, if the issue is about a plugin runner (cmd:
depended on the kind of runner):no
- luarocks version, if the issue is about installation (cmd: `luarocks
--version`):3.4
### Steps to reproduce
The kafka-logger plugin log_format configuration:
{
"log_format": {
"server_name": "$server_name",
"upstream_cache_status": "$upstream_cache_status",
"request_method": "$request_method",
"upstream_http_content_disposition": "$upstream_http_content_disposition",
"request_time": "$request_time",
"http_user_agent": "$http_user_agent",
"upstream_response_time": "$upstream_response_time",
"upstream_header_time": "$upstream_header_time",
"upstream_connect_time": "$upstream_connect_time",
"request_length": "$request_length",
"http_app_jb": "$http_app_jb",
"server_protocol": "$server_protocol",
"upstream_scheme": "$upstream_scheme",
"upstream_bytes_received": "$upstream_bytes_received",
"realip_remote_addr": "$realip_remote_addr",
"remote_addr": "$remote_addr",
"http_referer": "$http_referer",
"upstream_http_content_type": "$upstream_http_content_type",
"uri": "$uri",
"request_completion": "$request_completion",
"body_bytes_sent": "$body_bytes_sent",
"msec": "$msec",
"http_x_forwarded_for": "$http_x_forwarded_for",
"http_client_info": "$http_client_info",
"bytes_sent": "$bytes_sent",
"@timestamp": "$time_iso8601",
"content_type": "$content_type",
"server_port": "$server_port",
"upstream_uri": "$upstream_uri",
"upstream_status": "$upstream_status",
"route_name": "$route_name",
"url": "$url",
"host": "$host",
"status": "$status",
"upstream_addr": "$upstream_addr",
"consumer_name": "$consumer_name",
"upstream_host": "$upstream_host",
"http_x_cat_parent_id": "$http_x_cat_parent_id",
"upstream_http_content_length": "$upstream_http_content_length",
"content_length": "$content_length",
"scheme": "$scheme",
"remote_user": "$remote_user",
"route_id": "$route_id",
"request_uri": "$request_uri"
}
}
### Actual result
### Error log
no
### Expected result
The kafka-logger plugin can correctly collect the value of each nginx
built-in variable
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