Fix default value of Healthcheck for ExternalName services

docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml

@@ -99,45 +99,65 @@ spec:
                           traffic to.
                         properties:
                           healthCheck:
-                            description: Healthcheck defines health checks for the
+                            description: Healthcheck defines health checks for ExternalName
-                              service.
+                              services.
                             properties:
                               followRedirects:
+                                description: |-
+                                  FollowRedirects defines whether redirects should be followed during the health check calls.
+                                  Default: true
                                 type: boolean
                               headers:
                                 additionalProperties:
                                   type: string
+                                description: Headers defines custom headers to be
+                                  sent to the health check endpoint.
                                 type: object
                               hostname:
+                                description: Hostname defines the value of hostname
+                                  in the Host header of the health check request.
                                 type: string
                               interval:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Interval defines the frequency of the health check calls.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 30s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
                               method:
+                                description: Method defines the healthcheck method.
                                 type: string
                               mode:
+                                description: |-
+                                  Mode defines the health check mode.
+                                  If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                  Default: http
                                 type: string
                               path:
+                                description: Path defines the server URL path for
+                                  the health check endpoint.
                                 type: string
                               port:
+                                description: Port defines the server URL port for
+                                  the health check endpoint.
                                 type: integer
                               scheme:
+                                description: Scheme replaces the server URL scheme
+                                  for the health check endpoint.
                                 type: string
                               status:
+                                description: Status defines the expected HTTP status
+                                  code of the response to the health check request.
                                 type: integer
                               timeout:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 5s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
-                            required:
-                            - followRedirects
                             type: object
                           kind:
                             description: Kind defines the kind of the Service.
@@ -961,44 +981,65 @@ spec:
                       More info: https://doc.traefik.io/traefik/v3.0/middlewares/http/errorpages/#service
                     properties:
                       healthCheck:
-                        description: Healthcheck defines health checks for the service.
+                        description: Healthcheck defines health checks for ExternalName
+                          services.
                         properties:
                           followRedirects:
+                            description: |-
+                              FollowRedirects defines whether redirects should be followed during the health check calls.
+                              Default: true
                             type: boolean
                           headers:
                             additionalProperties:
                               type: string
+                            description: Headers defines custom headers to be sent
+                              to the health check endpoint.
                             type: object
                           hostname:
+                            description: Hostname defines the value of hostname in
+                              the Host header of the health check request.
                             type: string
                           interval:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Interval defines the frequency of the health check calls.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 30s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
                           method:
+                            description: Method defines the healthcheck method.
                             type: string
                           mode:
+                            description: |-
+                              Mode defines the health check mode.
+                              If defined to grpc, will use the gRPC health check protocol to probe the server.
+                              Default: http
                             type: string
                           path:
+                            description: Path defines the server URL path for the
+                              health check endpoint.
                             type: string
                           port:
+                            description: Port defines the server URL port for the
+                              health check endpoint.
                             type: integer
                           scheme:
+                            description: Scheme replaces the server URL scheme for
+                              the health check endpoint.
                             type: string
                           status:
+                            description: Status defines the expected HTTP status code
+                              of the response to the health check request.
                             type: integer
                           timeout:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 5s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
-                        required:
-                        - followRedirects
                         type: object
                       kind:
                         description: Kind defines the kind of the Service.
@@ -2377,44 +2418,65 @@ spec:
                 description: Mirroring defines the Mirroring service configuration.
                 properties:
                   healthCheck:
-                    description: Healthcheck defines health checks for the service.
+                    description: Healthcheck defines health checks for ExternalName
+                      services.
                     properties:
                       followRedirects:
+                        description: |-
+                          FollowRedirects defines whether redirects should be followed during the health check calls.
+                          Default: true
                         type: boolean
                       headers:
                         additionalProperties:
                           type: string
+                        description: Headers defines custom headers to be sent to
+                          the health check endpoint.
                         type: object
                       hostname:
+                        description: Hostname defines the value of hostname in the
+                          Host header of the health check request.
                         type: string
                       interval:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Interval defines the frequency of the health check calls.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 30s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
                       method:
+                        description: Method defines the healthcheck method.
                         type: string
                       mode:
+                        description: |-
+                          Mode defines the health check mode.
+                          If defined to grpc, will use the gRPC health check protocol to probe the server.
+                          Default: http
                         type: string
                       path:
+                        description: Path defines the server URL path for the health
+                          check endpoint.
                         type: string
                       port:
+                        description: Port defines the server URL port for the health
+                          check endpoint.
                         type: integer
                       scheme:
+                        description: Scheme replaces the server URL scheme for the
+                          health check endpoint.
                         type: string
                       status:
+                        description: Status defines the expected HTTP status code
+                          of the response to the health check request.
                         type: integer
                       timeout:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 5s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
-                    required:
-                    - followRedirects
                     type: object
                   kind:
                     description: Kind defines the kind of the Service.
@@ -2436,44 +2498,65 @@ spec:
                       description: MirrorService holds the mirror configuration.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.
@@ -2710,44 +2793,65 @@ spec:
                         traffic to.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.

docs/content/reference/dynamic-configuration/traefik.io_ingressroutes.yaml

@@ -99,45 +99,65 @@ spec:
                           traffic to.
                         properties:
                           healthCheck:
-                            description: Healthcheck defines health checks for the
+                            description: Healthcheck defines health checks for ExternalName
-                              service.
+                              services.
                             properties:
                               followRedirects:
+                                description: |-
+                                  FollowRedirects defines whether redirects should be followed during the health check calls.
+                                  Default: true
                                 type: boolean
                               headers:
                                 additionalProperties:
                                   type: string
+                                description: Headers defines custom headers to be
+                                  sent to the health check endpoint.
                                 type: object
                               hostname:
+                                description: Hostname defines the value of hostname
+                                  in the Host header of the health check request.
                                 type: string
                               interval:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Interval defines the frequency of the health check calls.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 30s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
                               method:
+                                description: Method defines the healthcheck method.
                                 type: string
                               mode:
+                                description: |-
+                                  Mode defines the health check mode.
+                                  If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                  Default: http
                                 type: string
                               path:
+                                description: Path defines the server URL path for
+                                  the health check endpoint.
                                 type: string
                               port:
+                                description: Port defines the server URL port for
+                                  the health check endpoint.
                                 type: integer
                               scheme:
+                                description: Scheme replaces the server URL scheme
+                                  for the health check endpoint.
                                 type: string
                               status:
+                                description: Status defines the expected HTTP status
+                                  code of the response to the health check request.
                                 type: integer
                               timeout:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 5s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
-                            required:
-                            - followRedirects
                             type: object
                           kind:
                             description: Kind defines the kind of the Service.

docs/content/reference/dynamic-configuration/traefik.io_middlewares.yaml

@@ -257,44 +257,65 @@ spec:
                       More info: https://doc.traefik.io/traefik/v3.0/middlewares/http/errorpages/#service
                     properties:
                       healthCheck:
-                        description: Healthcheck defines health checks for the service.
+                        description: Healthcheck defines health checks for ExternalName
+                          services.
                         properties:
                           followRedirects:
+                            description: |-
+                              FollowRedirects defines whether redirects should be followed during the health check calls.
+                              Default: true
                             type: boolean
                           headers:
                             additionalProperties:
                               type: string
+                            description: Headers defines custom headers to be sent
+                              to the health check endpoint.
                             type: object
                           hostname:
+                            description: Hostname defines the value of hostname in
+                              the Host header of the health check request.
                             type: string
                           interval:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Interval defines the frequency of the health check calls.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 30s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
                           method:
+                            description: Method defines the healthcheck method.
                             type: string
                           mode:
+                            description: |-
+                              Mode defines the health check mode.
+                              If defined to grpc, will use the gRPC health check protocol to probe the server.
+                              Default: http
                             type: string
                           path:
+                            description: Path defines the server URL path for the
+                              health check endpoint.
                             type: string
                           port:
+                            description: Port defines the server URL port for the
+                              health check endpoint.
                             type: integer
                           scheme:
+                            description: Scheme replaces the server URL scheme for
+                              the health check endpoint.
                             type: string
                           status:
+                            description: Status defines the expected HTTP status code
+                              of the response to the health check request.
                             type: integer
                           timeout:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 5s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
-                        required:
-                        - followRedirects
                         type: object
                       kind:
                         description: Kind defines the kind of the Service.

docs/content/reference/dynamic-configuration/traefik.io_traefikservices.yaml

@@ -48,44 +48,65 @@ spec:
                 description: Mirroring defines the Mirroring service configuration.
                 properties:
                   healthCheck:
-                    description: Healthcheck defines health checks for the service.
+                    description: Healthcheck defines health checks for ExternalName
+                      services.
                     properties:
                       followRedirects:
+                        description: |-
+                          FollowRedirects defines whether redirects should be followed during the health check calls.
+                          Default: true
                         type: boolean
                       headers:
                         additionalProperties:
                           type: string
+                        description: Headers defines custom headers to be sent to
+                          the health check endpoint.
                         type: object
                       hostname:
+                        description: Hostname defines the value of hostname in the
+                          Host header of the health check request.
                         type: string
                       interval:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Interval defines the frequency of the health check calls.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 30s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
                       method:
+                        description: Method defines the healthcheck method.
                         type: string
                       mode:
+                        description: |-
+                          Mode defines the health check mode.
+                          If defined to grpc, will use the gRPC health check protocol to probe the server.
+                          Default: http
                         type: string
                       path:
+                        description: Path defines the server URL path for the health
+                          check endpoint.
                         type: string
                       port:
+                        description: Port defines the server URL port for the health
+                          check endpoint.
                         type: integer
                       scheme:
+                        description: Scheme replaces the server URL scheme for the
+                          health check endpoint.
                         type: string
                       status:
+                        description: Status defines the expected HTTP status code
+                          of the response to the health check request.
                         type: integer
                       timeout:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 5s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
-                    required:
-                    - followRedirects
                     type: object
                   kind:
                     description: Kind defines the kind of the Service.
@@ -107,44 +128,65 @@ spec:
                       description: MirrorService holds the mirror configuration.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.
@@ -381,44 +423,65 @@ spec:
                         traffic to.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.

integration/fixtures/k8s/01-traefik-crd.yml

@@ -99,45 +99,65 @@ spec:
                           traffic to.
                         properties:
                           healthCheck:
-                            description: Healthcheck defines health checks for the
+                            description: Healthcheck defines health checks for ExternalName
-                              service.
+                              services.
                             properties:
                               followRedirects:
+                                description: |-
+                                  FollowRedirects defines whether redirects should be followed during the health check calls.
+                                  Default: true
                                 type: boolean
                               headers:
                                 additionalProperties:
                                   type: string
+                                description: Headers defines custom headers to be
+                                  sent to the health check endpoint.
                                 type: object
                               hostname:
+                                description: Hostname defines the value of hostname
+                                  in the Host header of the health check request.
                                 type: string
                               interval:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Interval defines the frequency of the health check calls.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 30s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
                               method:
+                                description: Method defines the healthcheck method.
                                 type: string
                               mode:
+                                description: |-
+                                  Mode defines the health check mode.
+                                  If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                  Default: http
                                 type: string
                               path:
+                                description: Path defines the server URL path for
+                                  the health check endpoint.
                                 type: string
                               port:
+                                description: Port defines the server URL port for
+                                  the health check endpoint.
                                 type: integer
                               scheme:
+                                description: Scheme replaces the server URL scheme
+                                  for the health check endpoint.
                                 type: string
                               status:
+                                description: Status defines the expected HTTP status
+                                  code of the response to the health check request.
                                 type: integer
                               timeout:
+                                anyOf:
+                                - type: integer
+                                - type: string
                                 description: |-
-                                  Duration is a custom type suitable for parsing duration values.
+                                  Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                  It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                  Default: 5s
-                                  the latter case, seconds are assumed.
+                                x-kubernetes-int-or-string: true
-                                format: int64
-                                type: integer
-                            required:
-                            - followRedirects
                             type: object
                           kind:
                             description: Kind defines the kind of the Service.
@@ -961,44 +981,65 @@ spec:
                       More info: https://doc.traefik.io/traefik/v3.0/middlewares/http/errorpages/#service
                     properties:
                       healthCheck:
-                        description: Healthcheck defines health checks for the service.
+                        description: Healthcheck defines health checks for ExternalName
+                          services.
                         properties:
                           followRedirects:
+                            description: |-
+                              FollowRedirects defines whether redirects should be followed during the health check calls.
+                              Default: true
                             type: boolean
                           headers:
                             additionalProperties:
                               type: string
+                            description: Headers defines custom headers to be sent
+                              to the health check endpoint.
                             type: object
                           hostname:
+                            description: Hostname defines the value of hostname in
+                              the Host header of the health check request.
                             type: string
                           interval:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Interval defines the frequency of the health check calls.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 30s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
                           method:
+                            description: Method defines the healthcheck method.
                             type: string
                           mode:
+                            description: |-
+                              Mode defines the health check mode.
+                              If defined to grpc, will use the gRPC health check protocol to probe the server.
+                              Default: http
                             type: string
                           path:
+                            description: Path defines the server URL path for the
+                              health check endpoint.
                             type: string
                           port:
+                            description: Port defines the server URL port for the
+                              health check endpoint.
                             type: integer
                           scheme:
+                            description: Scheme replaces the server URL scheme for
+                              the health check endpoint.
                             type: string
                           status:
+                            description: Status defines the expected HTTP status code
+                              of the response to the health check request.
                             type: integer
                           timeout:
+                            anyOf:
+                            - type: integer
+                            - type: string
                             description: |-
-                              Duration is a custom type suitable for parsing duration values.
+                              Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                              It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                              Default: 5s
-                              the latter case, seconds are assumed.
+                            x-kubernetes-int-or-string: true
-                            format: int64
-                            type: integer
-                        required:
-                        - followRedirects
                         type: object
                       kind:
                         description: Kind defines the kind of the Service.
@@ -2377,44 +2418,65 @@ spec:
                 description: Mirroring defines the Mirroring service configuration.
                 properties:
                   healthCheck:
-                    description: Healthcheck defines health checks for the service.
+                    description: Healthcheck defines health checks for ExternalName
+                      services.
                     properties:
                       followRedirects:
+                        description: |-
+                          FollowRedirects defines whether redirects should be followed during the health check calls.
+                          Default: true
                         type: boolean
                       headers:
                         additionalProperties:
                           type: string
+                        description: Headers defines custom headers to be sent to
+                          the health check endpoint.
                         type: object
                       hostname:
+                        description: Hostname defines the value of hostname in the
+                          Host header of the health check request.
                         type: string
                       interval:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Interval defines the frequency of the health check calls.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 30s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
                       method:
+                        description: Method defines the healthcheck method.
                         type: string
                       mode:
+                        description: |-
+                          Mode defines the health check mode.
+                          If defined to grpc, will use the gRPC health check protocol to probe the server.
+                          Default: http
                         type: string
                       path:
+                        description: Path defines the server URL path for the health
+                          check endpoint.
                         type: string
                       port:
+                        description: Port defines the server URL port for the health
+                          check endpoint.
                         type: integer
                       scheme:
+                        description: Scheme replaces the server URL scheme for the
+                          health check endpoint.
                         type: string
                       status:
+                        description: Status defines the expected HTTP status code
+                          of the response to the health check request.
                         type: integer
                       timeout:
+                        anyOf:
+                        - type: integer
+                        - type: string
                         description: |-
-                          Duration is a custom type suitable for parsing duration values.
+                          Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                          It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                          Default: 5s
-                          the latter case, seconds are assumed.
+                        x-kubernetes-int-or-string: true
-                        format: int64
-                        type: integer
-                    required:
-                    - followRedirects
                     type: object
                   kind:
                     description: Kind defines the kind of the Service.
@@ -2436,44 +2498,65 @@ spec:
                       description: MirrorService holds the mirror configuration.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.
@@ -2710,44 +2793,65 @@ spec:
                         traffic to.
                       properties:
                         healthCheck:
-                          description: Healthcheck defines health checks for the service.
+                          description: Healthcheck defines health checks for ExternalName
+                            services.
                           properties:
                             followRedirects:
+                              description: |-
+                                FollowRedirects defines whether redirects should be followed during the health check calls.
+                                Default: true
                               type: boolean
                             headers:
                               additionalProperties:
                                 type: string
+                              description: Headers defines custom headers to be sent
+                                to the health check endpoint.
                               type: object
                             hostname:
+                              description: Hostname defines the value of hostname
+                                in the Host header of the health check request.
                               type: string
                             interval:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Interval defines the frequency of the health check calls.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 30s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
                             method:
+                              description: Method defines the healthcheck method.
                               type: string
                             mode:
+                              description: |-
+                                Mode defines the health check mode.
+                                If defined to grpc, will use the gRPC health check protocol to probe the server.
+                                Default: http
                               type: string
                             path:
+                              description: Path defines the server URL path for the
+                                health check endpoint.
                               type: string
                             port:
+                              description: Port defines the server URL port for the
+                                health check endpoint.
                               type: integer
                             scheme:
+                              description: Scheme replaces the server URL scheme for
+                                the health check endpoint.
                               type: string
                             status:
+                              description: Status defines the expected HTTP status
+                                code of the response to the health check request.
                               type: integer
                             timeout:
+                              anyOf:
+                              - type: integer
+                              - type: string
                               description: |-
-                                Duration is a custom type suitable for parsing duration values.
+                                Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
-                                It supports `time.ParseDuration`-compatible values and suffix-less digits; in
+                                Default: 5s
-                                the latter case, seconds are assumed.
+                              x-kubernetes-int-or-string: true
-                              format: int64
-                              type: integer
-                          required:
-                          - followRedirects
                           type: object
                         kind:
                           description: Kind defines the kind of the Service.

pkg/config/dynamic/http_config.go

@@ -254,7 +254,7 @@ type ServerHealthCheck struct {
 	Interval        ptypes.Duration   `json:"interval,omitempty" toml:"interval,omitempty" yaml:"interval,omitempty" export:"true"`
 	Timeout         ptypes.Duration   `json:"timeout,omitempty" toml:"timeout,omitempty" yaml:"timeout,omitempty" export:"true"`
 	Hostname        string            `json:"hostname,omitempty" toml:"hostname,omitempty" yaml:"hostname,omitempty"`
-	FollowRedirects *bool             `json:"followRedirects" toml:"followRedirects" yaml:"followRedirects" export:"true"`
+	FollowRedirects *bool             `json:"followRedirects,omitempty" toml:"followRedirects,omitempty" yaml:"followRedirects,omitempty" export:"true"`
 	Headers         map[string]string `json:"headers,omitempty" toml:"headers,omitempty" yaml:"headers,omitempty" export:"true"`
 }
 

pkg/provider/kubernetes/crd/kubernetes_http.go

@@ -305,7 +305,36 @@ func (c configBuilder) buildServersLB(namespace string, svc traefikv1alpha1.Load
 	lb := &dynamic.ServersLoadBalancer{}
 	lb.SetDefaults()
 	lb.Servers = servers
-	lb.HealthCheck = svc.HealthCheck
+
+	if svc.HealthCheck != nil {
+		lb.HealthCheck = &dynamic.ServerHealthCheck{
+			Scheme:   svc.HealthCheck.Scheme,
+			Path:     svc.HealthCheck.Path,
+			Method:   svc.HealthCheck.Method,
+			Status:   svc.HealthCheck.Status,
+			Port:     svc.HealthCheck.Port,
+			Hostname: svc.HealthCheck.Hostname,
+			Headers:  svc.HealthCheck.Headers,
+		}
+		lb.HealthCheck.SetDefaults()
+
+		if svc.HealthCheck.FollowRedirects != nil {
+			lb.HealthCheck.FollowRedirects = svc.HealthCheck.FollowRedirects
+		}
+		if svc.HealthCheck.Mode != "http" {
+			lb.HealthCheck.Mode = svc.HealthCheck.Mode
+		}
+		if svc.HealthCheck.Interval != nil {
+			if err := lb.HealthCheck.Interval.Set(svc.HealthCheck.Interval.String()); err != nil {
+				return nil, err
+			}
+		}
+		if svc.HealthCheck.Timeout != nil {
+			if err := lb.HealthCheck.Timeout.Set(svc.HealthCheck.Timeout.String()); err != nil {
+				return nil, err
+			}
+		}
+	}
 
 	conf := svc
 	lb.PassHostHeader = conf.PassHostHeader

pkg/provider/kubernetes/crd/kubernetes_test.go

@@ -2470,7 +2470,9 @@ func TestLoadIngressRoutes(t *testing.T) {
 								},
 								HealthCheck: &dynamic.ServerHealthCheck{
 									Path:            "/health",
+									Timeout:         5000000000,
 									Interval:        15000000000,
+									FollowRedirects: Bool(true),
 								},
 							},
 						},
@@ -2532,7 +2534,9 @@ func TestLoadIngressRoutes(t *testing.T) {
 								},
 								HealthCheck: &dynamic.ServerHealthCheck{
 									Path:            "/health1",
+									Timeout:         5000000000,
 									Interval:        15000000000,
+									FollowRedirects: Bool(true),
 								},
 							},
 						},
@@ -2549,7 +2553,9 @@ func TestLoadIngressRoutes(t *testing.T) {
 								},
 								HealthCheck: &dynamic.ServerHealthCheck{
 									Path:            "/health2",
+									Timeout:         5000000000,
 									Interval:        20000000000,
+									FollowRedirects: Bool(true),
 								},
 							},
 						},
@@ -2590,7 +2596,9 @@ func TestLoadIngressRoutes(t *testing.T) {
 								},
 								HealthCheck: &dynamic.ServerHealthCheck{
 									Path:            "/health1",
+									Timeout:         5000000000,
 									Interval:        15000000000,
+									FollowRedirects: Bool(true),
 								},
 							},
 						},

pkg/provider/kubernetes/crd/traefikio/v1alpha1/ingressroute.go

@@ -131,8 +131,8 @@ type LoadBalancerSpec struct {
 	// It allows services to be reachable when Traefik runs externally from the Kubernetes cluster but within the same network of the nodes.
 	// By default, NodePortLB is false.
 	NodePortLB bool `json:"nodePortLB,omitempty"`
-	// Healthcheck defines health checks for the service.
+	// Healthcheck defines health checks for ExternalName services.
-	HealthCheck *dynamic.ServerHealthCheck `json:"healthCheck,omitempty"`
+	HealthCheck *ServerHealthCheck `json:"healthCheck,omitempty"`
 }
 
 type ResponseForwarding struct {
@@ -144,6 +144,36 @@ type ResponseForwarding struct {
 	FlushInterval string `json:"flushInterval,omitempty"`
 }
 
+type ServerHealthCheck struct {
+	// Scheme replaces the server URL scheme for the health check endpoint.
+	Scheme string `json:"scheme,omitempty"`
+	// Mode defines the health check mode.
+	// If defined to grpc, will use the gRPC health check protocol to probe the server.
+	// Default: http
+	Mode string `json:"mode,omitempty"`
+	// Path defines the server URL path for the health check endpoint.
+	Path string `json:"path,omitempty"`
+	// Method defines the healthcheck method.
+	Method string `json:"method,omitempty"`
+	// Status defines the expected HTTP status code of the response to the health check request.
+	Status int `json:"status,omitempty"`
+	// Port defines the server URL port for the health check endpoint.
+	Port int `json:"port,omitempty"`
+	// Interval defines the frequency of the health check calls.
+	// Default: 30s
+	Interval *intstr.IntOrString `json:"interval,omitempty"`
+	// Timeout defines the maximum duration Traefik will wait for a health check request before considering the server unhealthy.
+	// Default: 5s
+	Timeout *intstr.IntOrString `json:"timeout,omitempty"`
+	// Hostname defines the value of hostname in the Host header of the health check request.
+	Hostname string `json:"hostname,omitempty"`
+	// FollowRedirects defines whether redirects should be followed during the health check calls.
+	// Default: true
+	FollowRedirects *bool `json:"followRedirects,omitempty"`
+	// Headers defines custom headers to be sent to the health check endpoint.
+	Headers map[string]string `json:"headers,omitempty"`
+}
+
 // Service defines an upstream HTTP service to proxy traffic to.
 type Service struct {
 	LoadBalancerSpec `json:",inline"`

pkg/provider/kubernetes/crd/traefikio/v1alpha1/zz_generated.deepcopy.go

@@ -584,7 +584,7 @@ func (in *LoadBalancerSpec) DeepCopyInto(out *LoadBalancerSpec) {
 	}
 	if in.HealthCheck != nil {
 		in, out := &in.HealthCheck, &out.HealthCheck
-		*out = new(dynamic.ServerHealthCheck)
+		*out = new(ServerHealthCheck)
 		(*in).DeepCopyInto(*out)
 	}
 	return
@@ -1115,6 +1115,44 @@ func (in *RouteUDP) DeepCopy() *RouteUDP {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ServerHealthCheck) DeepCopyInto(out *ServerHealthCheck) {
+	*out = *in
+	if in.Interval != nil {
+		in, out := &in.Interval, &out.Interval
+		*out = new(intstr.IntOrString)
+		**out = **in
+	}
+	if in.Timeout != nil {
+		in, out := &in.Timeout, &out.Timeout
+		*out = new(intstr.IntOrString)
+		**out = **in
+	}
+	if in.FollowRedirects != nil {
+		in, out := &in.FollowRedirects, &out.FollowRedirects
+		*out = new(bool)
+		**out = **in
+	}
+	if in.Headers != nil {
+		in, out := &in.Headers, &out.Headers
+		*out = make(map[string]string, len(*in))
+		for key, val := range *in {
+			(*out)[key] = val
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServerHealthCheck.
+func (in *ServerHealthCheck) DeepCopy() *ServerHealthCheck {
+	if in == nil {
+		return nil
+	}
+	out := new(ServerHealthCheck)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *ServersTransport) DeepCopyInto(out *ServersTransport) {
 	*out = *in