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Add unhealthy Interval to the health check configuration

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Swastik Sarkar 2025-04-09 13:40:05 +05:30 • committed by GitHub
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@ -148,42 +148,43 @@ data:
### Configuration Options
| Field | Description | Default | Required |
|:------|:----------------------------------------------------------|:---------------------|:---------|
| `services` | List of any combination of TraefikService and [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/). <br />. | | No |
| `services[m].`<br />`kind` | Kind of the service targeted.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br /> - **TraefikService**: Traefik Service. | "" | No |
| `services[m].`<br />`name` | Service name.<br />The character `@` is not authorized. | "" | Yes |
| `services[m].`<br />`namespace` | Service namespace. | "" | No |
| `services[m].`<br />`port` | Service port (number or port name).<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind is **Service**. | 100ms | No |
| `services[m].`<br />`scheme` | Scheme to use for the request to the upstream Kubernetes Service.<br />Evaluated only if the kind is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `services[m].`<br />`serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and your servers.<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`passHostHeader` | Forward client Host header to server.<br />Evaluated only if the kind is **Service**. | true | No |
| `services[m].`<br />`healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "http" | No |
| `services[m].`<br />`healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.interval` | Frequency of the health check calls.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName]`ExternalName`. | "100ms" | No |
| `services[m].`<br />`healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "GET" | No |
| `services[m].`<br />`healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind is **Service**. | | No |
| `services[m].`<br />`healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | | No |
| `services[m].`<br />`healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "5s" | No |
| `services[m].`<br />`healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | true | No |
| `services[m].`<br />`healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | | No |
| `services[m].`<br />`sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness.<br />Evaluated only if the kind is **Service**. | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `services[m].`<br />`sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind is **Service**. | 0 | No |
| `services[m].`<br />`strategy` | Load balancing strategy between the servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind is **Service**. | "RoundRobin" | No |
| `services[m].`<br />`weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `services[m].`<br />`nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind is **Service**. | false | No |
| `sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness at the WRR service level.<br />When sticky sessions are enabled, a `Set-Cookie` header is set on the initial response to let the client know which server handles the first response.<br />On subsequent requests, to keep the session alive with the same server, the client should send the cookie with the value set.<br />If the server pecified in the cookie becomes unhealthy, the request will be forwarded to a new server (and the cookie will keep track of the new server).<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `sticky.`<br />`cookie.httpOnly` | Allow the cookie used for the stickiness at the WRR service level to be accessed by client-side APIs, such as JavaScript.<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | false | No |
| `sticky.`<br />`cookie.secure` | Allow the cookie used for the stickiness at the WRR service level to be only transmitted over an encrypted connection (i.e. HTTPS).<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | false | No |
| `sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy for the cookie used for the stickiness at the WRR service level.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | "" | No |
| `sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie used for the stickiness at the WRR service level expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires. | 0 | No |
| Field | Description | Default | Required |
|:---------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------|:---------|
| `services` | List of any combination of TraefikService and [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/). <br />. | | No |
| `services[m].`<br />`kind` | Kind of the service targeted.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br /> - **TraefikService**: Traefik Service. | "" | No |
| `services[m].`<br />`name` | Service name.<br />The character `@` is not authorized. | "" | Yes |
| `services[m].`<br />`namespace` | Service namespace. | "" | No |
| `services[m].`<br />`port` | Service port (number or port name).<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind is **Service**. | 100ms | No |
| `services[m].`<br />`scheme` | Scheme to use for the request to the upstream Kubernetes Service.<br />Evaluated only if the kind is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `services[m].`<br />`serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and your servers.<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`passHostHeader` | Forward client Host header to server.<br />Evaluated only if the kind is **Service**. | true | No |
| `services[m].`<br />`healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "http" | No |
| `services[m].`<br />`healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.interval` | Frequency of the health check calls for healthy targets.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName]`ExternalName`. | "100ms" | No |
| `services[m].`<br />`healthCheck.unhealthyInterval` | Frequency of the health check calls for unhealthy targets.<br />When not defined, it defaults to the `interval` value.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName]`ExternalName`. | "100ms" | No |
| `services[m].`<br />`healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "GET" | No |
| `services[m].`<br />`healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind is **Service**. | | No |
| `services[m].`<br />`healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | | No |
| `services[m].`<br />`healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "5s" | No |
| `services[m].`<br />`healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | "" | No |
| `services[m].`<br />`healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | true | No |
| `services[m].`<br />`healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type `ExternalName`. | | No |
| `services[m].`<br />`sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness.<br />Evaluated only if the kind is **Service**. | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `services[m].`<br />`sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind is **Service**. | "" | No |
| `services[m].`<br />`sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind is **Service**. | 0 | No |
| `services[m].`<br />`strategy` | Load balancing strategy between the servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind is **Service**. | "RoundRobin" | No |
| `services[m].`<br />`weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `services[m].`<br />`nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind is **Service**. | false | No |
| `services[m].`<br />`nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind is **Service**. | false | No |
| `sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness at the WRR service level.<br />When sticky sessions are enabled, a `Set-Cookie` header is set on the initial response to let the client know which server handles the first response.<br />On subsequent requests, to keep the session alive with the same server, the client should send the cookie with the value set.<br />If the server pecified in the cookie becomes unhealthy, the request will be forwarded to a new server (and the cookie will keep track of the new server).<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `sticky.`<br />`cookie.httpOnly` | Allow the cookie used for the stickiness at the WRR service level to be accessed by client-side APIs, such as JavaScript.<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | false | No |
| `sticky.`<br />`cookie.secure` | Allow the cookie used for the stickiness at the WRR service level to be only transmitted over an encrypted connection (i.e. HTTPS).<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | false | No |
| `sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy for the cookie used for the stickiness at the WRR service level.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />More information about WRR stickiness [here](#stickiness-on-multiple-levels) | "" | No |
| `sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie used for the stickiness at the WRR service level expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires. | 0 | No |
#### Stickiness on multiple levels
@ -372,65 +373,67 @@ spec:
The mirrored services properties are set in the `mirrors` list.
| Field | Description | Default | Required |
|:------|:----------------------------------------------------------|:---------------------|:---------|
| `kind` | Kind of the main service.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br />- **TraefikService**: Traefik Service.<br />More information [here](#services) | "" | No |
| `name` | Main service name.<br />The character `@` is not authorized. | "" | Yes |
| `namespace` | Main service namespace.<br />More information [here](#services). | "" | No |
| `port` | Main service port (number or port name).<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind of the main service is **Service**. | 100ms | No |
| `scheme` | Scheme to use for the request to the upstream Kubernetes Service.<br />Evaluated only if the kind of the main service is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and the main service's servers.<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `passHostHeader` | Forward client Host header to main service's server.<br />Evaluated only if the kind of the main service is **Service**. | true | No |
| `healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "http" | No |
| `healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.interval` | Frequency of the health check calls.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "GET" | No |
| `healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind of the main service is **Service**. | | No |
| `healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "5s" | No |
| `healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | true | No |
| `healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness on the main service.<br />Evaluated only if the kind of the main service is **Service**. | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind of the main service is **Service**. | 0 | No |
| `strategy` | Load balancing strategy between the main service's servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind of the main service is **Service**. | "RoundRobin" | No |
| `weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `maxBodySize` | Maximum size allowed for the body of the request.<br />If the body is larger, the request is not mirrored.<br />-1 means unlimited size. | -1 | No |
| `mirrors` | List of mirrored services to target.<br /> It can be any combination of TraefikService and [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/). <br />More information [here](#services). | | No |
| `mirrors[m].`<br />`kind` | Kind of the mirrored service targeted.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br />- **TraefikService**: Traefik Service.<br />More information [here](#services) | "" | No |
| `mirrors[m].`<br />`name` | Mirrored service name.<br />The character `@` is not authorized. | "" | Yes |
| `mirrors[m].`<br />`namespace` | Mirrored service namespace.<br />More information [here](#services). | "" | No |
| `mirrors[m].`<br />`port` | Mirrored service port (number or port name).<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`percent` | Part of the traffic to mirror in percent (from 0 to 100) | 0 | No |
| `mirrors[m].`<br />`responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind of the mirrored service is **Service**. | 100ms | No |
| `mirrors[m].`<br />`scheme` | Scheme to use for the request to the mirrored service.<br />Evaluated only if the kind of the mirrored service is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `mirrors[m].`<br />`serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and the mirrored service servers.<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`passHostHeader` | Forward client Host header to the mirrored service servers.<br />Evaluated only if the kind of the mirrored service is **Service**. | true | No |
| `mirrors[m].`<br />`healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "http" | No |
| `mirrors[m].`<br />`healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.interval` | Frequency of the health check calls.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `mirrors[m].`<br />`healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "GET" | No |
| `mirrors[m].`<br />`healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind of the mirrored service is **Service**. | | No |
| `mirrors[m].`<br />`healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `mirrors[m].`<br />`healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "5s" | No |
| `mirrors[m].`<br />`healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | true | No |
| `mirrors[m].`<br />`healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness.<br />When sticky sessions are enabled, a `Set-Cookie` header is set on the initial response to let the client know which server handles the first response.<br />On subsequent requests, to keep the session alive with the same server, the client should send the cookie with the value set.<br />If the server pecified in the cookie becomes unhealthy, the request will be forwarded to a new server (and the cookie will keep track of the new server).<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind of the mirrored service is **Service**. | 0 | No |
| `mirrors[m].`<br />`strategy` | Load balancing strategy between the servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind of the mirrored service is **Service**. | "RoundRobin" | No |
| `mirrors[m].`<br />`weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `mirrors[m].`<br />`nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrorBody` | Defines whether the request body should be mirrored. | true | No |
| Field | Description | Default | Required |
|:--------------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------|:---------|
| `kind` | Kind of the main service.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br />- **TraefikService**: Traefik Service.<br />More information [here](#services) | "" | No |
| `name` | Main service name.<br />The character `@` is not authorized. | "" | Yes |
| `namespace` | Main service namespace.<br />More information [here](#services). | "" | No |
| `port` | Main service port (number or port name).<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind of the main service is **Service**. | 100ms | No |
| `scheme` | Scheme to use for the request to the upstream Kubernetes Service.<br />Evaluated only if the kind of the main service is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and the main service's servers.<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `passHostHeader` | Forward client Host header to main service's server.<br />Evaluated only if the kind of the main service is **Service**. | true | No |
| `healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "http" | No |
| `healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.interval` | Frequency of the health check calls for healthy targets.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `healthCheck.unhealthyInterval` | Frequency of the health check calls for unhealthy targets.<br />When not defined, it defaults to the `interval` value.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "GET" | No |
| `healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind of the main service is **Service**. | | No |
| `healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "5s" | No |
| `healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | true | No |
| `healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind of the main service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness on the main service.<br />Evaluated only if the kind of the main service is **Service**. | Abbreviation of a sha1<br />(ex: `_1d52e`). | No |
| `sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind of the main service is **Service**. | "" | No |
| `sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind of the main service is **Service**. | 0 | No |
| `strategy` | Load balancing strategy between the main service's servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind of the main service is **Service**. | "RoundRobin" | No |
| `weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind of the main service is **Service**. | false | No |
| `maxBodySize` | Maximum size allowed for the body of the request.<br />If the body is larger, the request is not mirrored.<br />-1 means unlimited size. | -1 | No |
| `mirrors` | List of mirrored services to target.<br /> It can be any combination of TraefikService and [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/). <br />More information [here](#services). | | No |
| `mirrors[m].`<br />`kind` | Kind of the mirrored service targeted.<br />Two values allowed:<br />- **Service**: Kubernetes Service<br />- **TraefikService**: Traefik Service.<br />More information [here](#services) | "" | No |
| `mirrors[m].`<br />`name` | Mirrored service name.<br />The character `@` is not authorized. | "" | Yes |
| `mirrors[m].`<br />`namespace` | Mirrored service namespace.<br />More information [here](#services). | "" | No |
| `mirrors[m].`<br />`port` | Mirrored service port (number or port name).<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`percent` | Part of the traffic to mirror in percent (from 0 to 100) | 0 | No |
| `mirrors[m].`<br />`responseForwarding.`<br />`flushInterval` | Interval, in milliseconds, in between flushes to the client while copying the response body.<br />A negative value means to flush immediately after each write to the client.<br />This configuration is ignored when a response is a streaming response; for such responses, writes are flushed to the client immediately.<br />Evaluated only if the kind of the mirrored service is **Service**. | 100ms | No |
| `mirrors[m].`<br />`scheme` | Scheme to use for the request to the mirrored service.<br />Evaluated only if the kind of the mirrored service is **Service**. | "http"<br />"https" if `port` is 443 or contains the string *https*. | No |
| `mirrors[m].`<br />`serversTransport` | Name of ServersTransport resource to use to configure the transport between Traefik and the mirrored service servers.<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`passHostHeader` | Forward client Host header to the mirrored service servers.<br />Evaluated only if the kind of the mirrored service is **Service**. | true | No |
| `mirrors[m].`<br />`healthCheck.scheme` | Server URL scheme for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.mode` | Health check mode.<br /> If defined to grpc, will use the gRPC health check protocol to probe the server.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "http" | No |
| `mirrors[m].`<br />`healthCheck.path` | Server URL path for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.interval` | Frequency of the health check calls.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `mirrors[m].`<br />`healthCheck.unhealthyInterval` | Frequency of the health check calls for unhealthy targets.<br />When not defined, it defaults to the `interval` value.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "100ms" | No |
| `mirrors[m].`<br />`healthCheck.method` | HTTP method for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "GET" | No |
| `mirrors[m].`<br />`healthCheck.status` | Expected HTTP status code of the response to the health check request.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type ExternalName.<br />If not set, expect a status between 200 and 399.<br />Evaluated only if the kind of the mirrored service is **Service**. | | No |
| `mirrors[m].`<br />`healthCheck.port` | URL port for the health check endpoint.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `mirrors[m].`<br />`healthCheck.timeout` | Maximum duration to wait before considering the server unhealthy.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "5s" | No |
| `mirrors[m].`<br />`healthCheck.hostname` | Value in the Host header of the health check request.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | "" | No |
| `mirrors[m].`<br />`healthCheck.`<br />`followRedirect` | Follow the redirections during the healtchcheck.<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | true | No |
| `mirrors[m].`<br />`healthCheck.headers` | Map of header to send to the health check endpoint<br />Evaluated only if the kind of the mirrored service is **Service**.<br />Only for [Kubernetes service](https://kubernetes.io/docs/concepts/services-networking/service/) of type [ExternalName](#services). | | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.name` | Name of the cookie used for the stickiness.<br />When sticky sessions are enabled, a `Set-Cookie` header is set on the initial response to let the client know which server handles the first response.<br />On subsequent requests, to keep the session alive with the same server, the client should send the cookie with the value set.<br />If the server pecified in the cookie becomes unhealthy, the request will be forwarded to a new server (and the cookie will keep track of the new server).<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.httpOnly` | Allow the cookie can be accessed by client-side APIs, such as JavaScript.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.secure` | Allow the cookie can only be transmitted over an encrypted connection (i.e. HTTPS).<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.sameSite` | [SameSite](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite) policy.<br />Allowed values:<br />-`none`<br />-`lax`<br />`strict`<br />Evaluated only if the kind of the mirrored service is **Service**. | "" | No |
| `mirrors[m].`<br />`sticky.`<br />`cookie.maxAge` | Number of seconds until the cookie expires.<br />Negative number, the cookie expires immediately.<br />0, the cookie never expires.<br />Evaluated only if the kind of the mirrored service is **Service**. | 0 | No |
| `mirrors[m].`<br />`strategy` | Load balancing strategy between the servers.<br />RoundRobin is the only supported value yet.<br />Evaluated only if the kind of the mirrored service is **Service**. | "RoundRobin" | No |
| `mirrors[m].`<br />`weight` | Service weight.<br />To use only to refer to WRR TraefikService | "" | No |
| `mirrors[m].`<br />`nativeLB` | Allow using the Kubernetes Service load balancing between the pods instead of the one provided by Traefik.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrors[m].`<br />`nodePortLB` | Use the nodePort IP address when the service type is NodePort.<br />It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.<br />Evaluated only if the kind of the mirrored service is **Service**. | false | No |
| `mirrorBody` | Defines whether the request body should be mirrored. | true | No |