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Reformat log-format.md

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Aarni Koskela 2018-05-03 10:44:21 +03:00
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docs/user-guide/nginx-configuration/log-format.md
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@ -1,34 +1,38 @@
# Log format
The default configuration uses a custom logging format to add additional information about upstreams, response time and status
The default configuration uses a custom logging format to add additional information about upstreams, response time and status.
```
log_format upstreaminfo '{{ if $cfg.useProxyProtocol }}$proxy_protocol_addr{{ else }}$remote_addr{{ end }} - '
'[$the_real_ip] - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" '
'$request_length $request_time [$proxy_upstream_name] $upstream_addr $upstream_response_length $upstream_response_time $upstream_status';
log_format upstreaminfo
'{{ if $cfg.useProxyProtocol }}$proxy_protocol_addr{{ else }}$remote_addr{{ end }} - '
'[$the_real_ip] - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" "$http_user_agent" '
'$request_length $request_time [$proxy_upstream_name] $upstream_addr '
'$upstream_response_length $upstream_response_time $upstream_status';
```
| Placeholder | Description |
|-------------|-------------|
| `$proxy_protocol_addr` | remote address if proxy protocol is enabled |
| `$remote_addr` | remote address if proxy protocol is disabled (default) |
| `$the_real_ip` | the source IP address of the client |
| `$remote_user` | user name supplied with the Basic authentication |
| `$time_local` | local time in the Common Log Format |
| `$request` | full original request line |
| `$status` | response status |
| `$body_bytes_sent` | number of bytes sent to a client, not counting the response header |
| `$http_referer` | value of the Referer header |
| `$http_user_agent` | value of User-Agent header |
| `$request_length` | request length (including request line, header, and request body) |
| `$request_time` | time elapsed since the first bytes were read from the client |
| `$proxy_upstream_name` | name of the upstream. The format is `upstream-<namespace>-<service name>-<service port>` |
| `$upstream_addr` | the IP address and port (or the path to the domain socket) of the upstream server. If several servers were contacted during request processing, their addresses are separated by commas. |
| `$upstream_response_length` | the length of the response obtained from the upstream server |
| `$upstream_response_time` | time spent on receiving the response from the upstream server as seconds with millisecond resolution |
| `$upstream_status` | status code of the response obtained from the upstream server |
Sources:
- [upstream variables](http://nginx.org/en/docs/http/ngx_http_upstream_module.html#variables)
- [embedded variables](http://nginx.org/en/docs/http/ngx_http_core_module.html#variables)
Description:
- `$proxy_protocol_addr`: if PROXY protocol is enabled
- `$remote_addr`: if PROXY protocol is disabled (default)
- `$the_real_ip`: the source IP address of the client
- `$remote_user`: user name supplied with the Basic authentication
- `$time_local`: local time in the Common Log Format
- `$request`: full original request line
- `$status`: response status
- `$body_bytes_sent`: number of bytes sent to a client, not counting the response header
- `$http_referer`: value of the Referer header
- `$http_user_agent`: value of User-Agent header
- `$request_length`: request length (including request line, header, and request body)
- `$request_time`: time elapsed since the first bytes were read from the client
- `$proxy_upstream_name`: name of the upstream. The format is `upstream-<namespace>-<service name>-<service port>`
- `$upstream_addr`: keeps the IP address and port, or the path to the UNIX-domain socket of the upstream server. If several servers were contacted during request processing, their addresses are separated by commas
- `$upstream_response_length`: keeps the length of the response obtained from the upstream server
- `$upstream_response_time`: keeps time spent on receiving the response from the upstream server; the time is kept in seconds with millisecond resolution
- `$upstream_status`: keeps status code of the response obtained from the upstream server
- [Upstream variables](http://nginx.org/en/docs/http/ngx_http_upstream_module.html#variables)
- [Embedded variables](http://nginx.org/en/docs/http/ngx_http_core_module.html#variables)