refactor: re-organize doc.
This commit is contained in:
Fernandez Ludovic
Traefiker
parent
425b53585a
commit
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3 changed files with 80 additions and 69 deletions
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@ -400,38 +400,6 @@ Here is an example of backends and servers definition:
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- `backend2` will forward the traffic to two servers: `http://172.17.0.4:80"` with weight `1` and `http://172.17.0.5:80` with weight `2` using `drr` load-balancing strategy.
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- a circuit breaker is added on `backend1` using the expression `NetworkErrorRatio() > 0.5`: watch error ratio over 10 second sliding window
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### Custom Error pages
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Custom error pages can be returned, in lieu of the default, according to frontend-configured ranges of HTTP Status codes.
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In the example below, if a 503 status is returned from the frontend "website", the custom error page at http://2.3.4.5/503.html is returned with the actual status code set in the HTTP header.
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Note, the `503.html` page itself is not hosted on traefik, but some other infrastructure.
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```toml
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[frontends]
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[frontends.website]
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backend = "website"
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[frontends.website.errors]
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[frontends.website.errors.network]
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status = ["500-599"]
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backend = "error"
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query = "/{status}.html"
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[frontends.website.routes.website]
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rule = "Host: website.mydomain.com"
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[backends]
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[backends.website]
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[backends.website.servers.website]
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url = "https://1.2.3.4"
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[backends.error]
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[backends.error.servers.error]
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url = "http://2.3.4.5"
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```
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In the above example, the error page rendered was based on the status code.
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Instead, the query parameter can also be set to some generic error page like so: `query = "/500s.html"`
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Now the 500s.html error page is returned for the configured code range.
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The configured status code ranges are inclusive; that is, in the above example, the 500s.html page will be returned for status codes 500 through, and including, 599.
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## Configuration
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@ -440,7 +408,6 @@ Træfik's configuration has two parts:
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- The [static Træfik configuration](/basics#static-trfk-configuration) which is loaded only at the beginning.
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- The [dynamic Træfik configuration](/basics#dynamic-trfk-configuration) which can be hot-reloaded (no need to restart the process).
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### Static Træfik configuration
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The static configuration is the global configuration which is setting up connections to configuration backends and entrypoints.
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@ -471,7 +438,7 @@ You can override this by setting a `configFile` argument:
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$ traefik --configFile=foo/bar/myconfigfile.toml
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```
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Please refer to the [global configuration](/toml/#global-configuration) section to get documentation on it.
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Please refer to the [global configuration](/configuration/commons) section to get documentation on it.
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#### Arguments
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@ -502,12 +469,12 @@ The dynamic configuration concerns :
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- [Backends](/basics/#backends)
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- [Servers](/basics/#servers)
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Træfik can hot-reload those rules which could be provided by [multiple configuration backends](/toml/#configuration-backends).
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Træfik can hot-reload those rules which could be provided by [multiple configuration backends](/configuration/commons).
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We only need to enable `watch` option to make Træfik watch configuration backend changes and generate its configuration automatically.
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Routes to services will be created and updated instantly at any changes.
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Please refer to the [configuration backends](/toml/#configuration-backends) section to get documentation on it.
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Please refer to the [configuration backends](/configuration/commons) section to get documentation on it.
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## Commands
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@ -554,11 +521,3 @@ Note: the `web` provider must be enabled to allow `/ping` calls by the `healthch
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$ traefik healthcheck
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OK: http://:8082/ping
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```
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## Log Rotation
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Traefik will close and reopen its log files, assuming they're configured, on receipt of a USR1 signal. This allows the logs
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to be rotated and processed by an external program, such as `logrotate`.
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Note that this does not work on Windows due to the lack of USR signals.
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@ -31,29 +31,6 @@
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#
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# checkNewVersion = false
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# Traefik logs file
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# If not defined, logs to stdout
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#
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# Optional
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#
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# traefikLogsFile = "log/traefik.log"
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# Access logs file
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#
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# DEPRECATED - see [accessLog] lower down
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# Optional
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#
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# accessLogsFile = "log/access.log"
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# Log level
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#
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# Optional
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# Default: "ERROR"
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# Accepted values, in order of severity: "DEBUG", "INFO", "WARN", "ERROR", "FATAL", "PANIC"
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# Messages at and above the selected level will be logged.
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#
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# logLevel = "ERROR"
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# Backends throttle duration: minimum duration in seconds between 2 events from providers
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# before applying a new configuration. It avoids unnecessary reloads if multiples events
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# are sent in a short amount of time.
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@ -165,6 +142,27 @@ Supported filters:
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# constraints = ["tag==api", "tag!=v*-beta"]
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```
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## Traefik Logs
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```toml
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# Traefik logs file
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# If not defined, logs to stdout
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#
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# Optional
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#
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# traefikLogsFile = "log/traefik.log"
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# Log level
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#
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# Optional
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# Default: "ERROR"
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# Accepted values, in order of severity: "DEBUG", "INFO", "WARN", "ERROR", "FATAL", "PANIC"
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# Messages at and above the selected level will be logged.
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#
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# logLevel = "ERROR"
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```
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## Access Log Definition
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Access logs are written when `[accessLog]` is defined.
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@ -188,6 +186,59 @@ To write JSON format logs, specify `json` as the format:
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format = "json"
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```
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Deprecated way (before 1.4):
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```toml
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# Access logs file
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#
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# DEPRECATED - see [accessLog] lower down
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# Optional
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#
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accessLogsFile = "log/access.log"
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```
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## Log Rotation
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Traefik will close and reopen its log files, assuming they're configured, on receipt of a USR1 signal.
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This allows the logs to be rotated and processed by an external program, such as `logrotate`.
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!!! note
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that this does not work on Windows due to the lack of USR signals.
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## Custom Error pages
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Custom error pages can be returned, in lieu of the default, according to frontend-configured ranges of HTTP Status codes.
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In the example below, if a 503 status is returned from the frontend "website", the custom error page at http://2.3.4.5/503.html is returned with the actual status code set in the HTTP header.
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Note, the `503.html` page itself is not hosted on traefik, but some other infrastructure.
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```toml
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[frontends]
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[frontends.website]
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backend = "website"
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[frontends.website.errors]
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[frontends.website.errors.network]
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status = ["500-599"]
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backend = "error"
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query = "/{status}.html"
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[frontends.website.routes.website]
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rule = "Host: website.mydomain.com"
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[backends]
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[backends.website]
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[backends.website.servers.website]
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url = "https://1.2.3.4"
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[backends.error]
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[backends.error.servers.error]
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url = "http://2.3.4.5"
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```
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In the above example, the error page rendered was based on the status code.
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Instead, the query parameter can also be set to some generic error page like so: `query = "/500s.html"`
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Now the `500s.html` error page is returned for the configured code range.
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The configured status code ranges are inclusive; that is, in the above example, the `500s.html` page will be returned for status codes `500` through, and including, `599`.
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## Entry Points Definition
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```toml
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@ -451,3 +502,4 @@ To write JSON format logs, specify `json` as the format:
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#
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# responseHeaderTimeout = "0s"
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```
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@ -50,7 +50,7 @@ Beginning with version 1.4, Traefik respects readiness check results if the Trae
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Note that due to the way readiness check results are currently exposed by the Marathon API, ready tasks may be taken into rotation with a small delay.
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It is on the order of one readiness check timeout interval (as configured on the application specifiation) and guarantees that non-ready tasks do not receive traffic prematurely.
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If readiness checks are not possible, a current mitigation strategy is to enable [retries](https://docs.traefik.io/toml/#retry-configuration) and make sure that a sufficient number of healthy application tasks exist so that one retry will likely hit one of those.
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If readiness checks are not possible, a current mitigation strategy is to enable [retries](/configuration/commons#retry-configuration) and make sure that a sufficient number of healthy application tasks exist so that one retry will likely hit one of those.
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Apart from its probabilistic nature, the workaround comes at the price of increased latency.
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### Shutdown
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