"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "docs/content/observability/access-logs.md" between
traefik-v2.3.2.src.tar.gz and traefik-v2.3.3.src.tar.gz

About: Traefik is a cloud native edge router, a reverse proxy and load balancer for HTTP and TCP-based applications.

access-logs.md  (traefik-v2.3.2.src):access-logs.md  (traefik-v2.3.3.src)
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### Filtering ### Filtering
To filter logs, you can specify a set of filters which are logically "OR-connect ed". To filter logs, you can specify a set of filters which are logically "OR-connect ed".
Thus, specifying multiple filters will keep more access logs than specifying onl y one. Thus, specifying multiple filters will keep more access logs than specifying onl y one.
The available filters are: The available filters are:
- `statusCodes`, to limit the access logs to requests with a status codes in the specified range - `statusCodes`, to limit the access logs to requests with a status codes in the specified range
- `retryAttempts`, to keep the access logs when at least one retry has happened - `retryAttempts`, to keep the access logs when at least one retry has happened
- `minDuration`, to keep access logs when requests take longer than the specifie d duration - `minDuration`, to keep access logs when requests take longer than the specifie d duration (provided in seconds or as a valid duration format, see [time.ParseDu ration](https://golang.org/pkg/time/#ParseDuration))
```toml tab="File (TOML)" ```toml tab="File (TOML)"
# Configuring Multiple Filters # Configuring Multiple Filters
[accessLog] [accessLog]
filePath = "/path/to/access.log" filePath = "/path/to/access.log"
format = "json" format = "json"
[accessLog.filters] [accessLog.filters]
statusCodes = ["200", "300-302"] statusCodes = ["200", "300-302"]
retryAttempts = true retryAttempts = true
skipping to change at line 201 skipping to change at line 201
| `ClientUsername` | The username provided in the URL, if present. | | `ClientUsername` | The username provided in the URL, if present. |
| `RequestAddr` | The HTTP Host header (usually IP:port). This is treated as not a header by the Go API. | | `RequestAddr` | The HTTP Host header (usually IP:port). This is treated as not a header by the Go API. |
| `RequestHost` | The HTTP Host server name (not including port). | | `RequestHost` | The HTTP Host server name (not including port). |
| `RequestPort` | The TCP port from the HTTP Host. | | `RequestPort` | The TCP port from the HTTP Host. |
| `RequestMethod` | The HTTP method. | | `RequestMethod` | The HTTP method. |
| `RequestPath` | The HTTP request URI, not including the scheme, host or port. | | `RequestPath` | The HTTP request URI, not including the scheme, host or port. |
| `RequestProtocol` | The version of HTTP requested. | | `RequestProtocol` | The version of HTTP requested. |
| `RequestScheme` | The HTTP scheme requested `http` or `https`. | | `RequestScheme` | The HTTP scheme requested `http` or `https`. |
| `RequestLine` | `RequestMethod` + `RequestPath` + `RequestProtoc ol` | | `RequestLine` | `RequestMethod` + `RequestPath` + `RequestProtoc ol` |
| `RequestContentSize` | The number of bytes in the request entity (a.k.a . body) sent by the client. | | `RequestContentSize` | The number of bytes in the request entity (a.k.a . body) sent by the client. |
| `OriginDuration` | The time taken by the origin server ('upstream') to return its response. | | `OriginDuration` | The time taken (in nanoseconds) by the origin se rver ('upstream') to return its response. |
| `OriginContentSize` | The content length specified by the origin serve r, or 0 if unspecified. | | `OriginContentSize` | The content length specified by the origin serve r, or 0 if unspecified. |
| `OriginStatus` | The HTTP status code returned by the origin serv er. If the request was handled by this Traefik instance (e.g. with a redirect), then this value will be absent. | | `OriginStatus` | The HTTP status code returned by the origin serv er. If the request was handled by this Traefik instance (e.g. with a redirect), then this value will be absent. |
| `OriginStatusLine` | `OriginStatus` + Status code explanation | | `OriginStatusLine` | `OriginStatus` + Status code explanation |
| `DownstreamStatus` | The HTTP status code returned to the client. | | `DownstreamStatus` | The HTTP status code returned to the client. |
| `DownstreamStatusLine` | `DownstreamStatus` + Status code explanation | | `DownstreamStatusLine` | `DownstreamStatus` + Status code explanation |
| `DownstreamContentSize` | The number of bytes in the response entity retur ned to the client. This is in addition to the "Content-Length" header, which may be present in the origin response. | | `DownstreamContentSize` | The number of bytes in the response entity retur ned to the client. This is in addition to the "Content-Length" header, which may be present in the origin response. |
| `RequestCount` | The number of requests received since the Traefi k instance started. | | `RequestCount` | The number of requests received since the Traefi k instance started. |
| `GzipRatio` | The response body compression ratio achieved. | | `GzipRatio` | The response body compression ratio achieved. |
| `Overhead` | The processing time overhead caused by Traefik. | | `Overhead` | The processing time overhead (in nanoseconds) ca used by Traefik. |
| `RetryAttempts` | The amount of attempts the request was retried. | | `RetryAttempts` | The amount of attempts the request was retried. |
## Log Rotation ## Log Rotation
Traefik will close and reopen its log files, assuming they're configured, on rec eipt of a USR1 signal. Traefik will close and reopen its log files, assuming they're configured, on rec eipt of a USR1 signal.
This allows the logs to be rotated and processed by an external program, such as `logrotate`. This allows the logs to be rotated and processed by an external program, such as `logrotate`.
!!! warning !!! warning
This does not work on Windows due to the lack of USR signals. This does not work on Windows due to the lack of USR signals.
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