traefik/pkg/provider/kubernetes/crd/traefikio/v1alpha1/ingressroute.go
2024-10-02 16:24:04 +02:00

215 lines
10 KiB
Go

package v1alpha1
import (
"github.com/traefik/traefik/v3/pkg/config/dynamic"
"github.com/traefik/traefik/v3/pkg/types"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
// IngressRouteSpec defines the desired state of IngressRoute.
type IngressRouteSpec struct {
// Routes defines the list of routes.
Routes []Route `json:"routes"`
// EntryPoints defines the list of entry point names to bind to.
// Entry points have to be configured in the static configuration.
// More info: https://doc.traefik.io/traefik/v3.2/routing/entrypoints/
// Default: all.
EntryPoints []string `json:"entryPoints,omitempty"`
// TLS defines the TLS configuration.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#tls
TLS *TLS `json:"tls,omitempty"`
}
// Route holds the HTTP route configuration.
type Route struct {
// Match defines the router's rule.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#rule
Match string `json:"match"`
// Kind defines the kind of the route.
// Rule is the only supported kind.
// +kubebuilder:validation:Enum=Rule
Kind string `json:"kind"`
// Priority defines the router's priority.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#priority
Priority int `json:"priority,omitempty"`
// Syntax defines the router's rule syntax.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#rulesyntax
Syntax string `json:"syntax,omitempty"`
// Services defines the list of Service.
// It can contain any combination of TraefikService and/or reference to a Kubernetes Service.
Services []Service `json:"services,omitempty"`
// Middlewares defines the list of references to Middleware resources.
// More info: https://doc.traefik.io/traefik/v3.2/routing/providers/kubernetes-crd/#kind-middleware
Middlewares []MiddlewareRef `json:"middlewares,omitempty"`
}
// TLS holds the TLS configuration.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#tls
type TLS struct {
// SecretName is the name of the referenced Kubernetes Secret to specify the certificate details.
SecretName string `json:"secretName,omitempty"`
// Options defines the reference to a TLSOption, that specifies the parameters of the TLS connection.
// If not defined, the `default` TLSOption is used.
// More info: https://doc.traefik.io/traefik/v3.2/https/tls/#tls-options
Options *TLSOptionRef `json:"options,omitempty"`
// Store defines the reference to the TLSStore, that will be used to store certificates.
// Please note that only `default` TLSStore can be used.
Store *TLSStoreRef `json:"store,omitempty"`
// CertResolver defines the name of the certificate resolver to use.
// Cert resolvers have to be configured in the static configuration.
// More info: https://doc.traefik.io/traefik/v3.2/https/acme/#certificate-resolvers
CertResolver string `json:"certResolver,omitempty"`
// Domains defines the list of domains that will be used to issue certificates.
// More info: https://doc.traefik.io/traefik/v3.2/routing/routers/#domains
Domains []types.Domain `json:"domains,omitempty"`
}
// TLSOptionRef is a reference to a TLSOption resource.
type TLSOptionRef struct {
// Name defines the name of the referenced TLSOption.
// More info: https://doc.traefik.io/traefik/v3.2/routing/providers/kubernetes-crd/#kind-tlsoption
Name string `json:"name"`
// Namespace defines the namespace of the referenced TLSOption.
// More info: https://doc.traefik.io/traefik/v3.2/routing/providers/kubernetes-crd/#kind-tlsoption
Namespace string `json:"namespace,omitempty"`
}
// TLSStoreRef is a reference to a TLSStore resource.
type TLSStoreRef struct {
// Name defines the name of the referenced TLSStore.
// More info: https://doc.traefik.io/traefik/v3.2/routing/providers/kubernetes-crd/#kind-tlsstore
Name string `json:"name"`
// Namespace defines the namespace of the referenced TLSStore.
// More info: https://doc.traefik.io/traefik/v3.2/routing/providers/kubernetes-crd/#kind-tlsstore
Namespace string `json:"namespace,omitempty"`
}
// LoadBalancerSpec defines the desired state of LoadBalancer.
// It can reference either a Kubernetes Service object (a load-balancer of servers),
// or a TraefikService object (a load-balancer of Traefik services).
type LoadBalancerSpec struct {
// Name defines the name of the referenced Kubernetes Service or TraefikService.
// The differentiation between the two is specified in the Kind field.
Name string `json:"name"`
// Kind defines the kind of the Service.
// +kubebuilder:validation:Enum=Service;TraefikService
Kind string `json:"kind,omitempty"`
// Namespace defines the namespace of the referenced Kubernetes Service or TraefikService.
Namespace string `json:"namespace,omitempty"`
// Sticky defines the sticky sessions configuration.
// More info: https://doc.traefik.io/traefik/v3.2/routing/services/#sticky-sessions
Sticky *dynamic.Sticky `json:"sticky,omitempty"`
// Port defines the port of a Kubernetes Service.
// This can be a reference to a named port.
Port intstr.IntOrString `json:"port,omitempty"`
// Scheme defines the scheme to use for the request to the upstream Kubernetes Service.
// It defaults to https when Kubernetes Service port is 443, http otherwise.
Scheme string `json:"scheme,omitempty"`
// Strategy defines the load balancing strategy between the servers.
// RoundRobin is the only supported value at the moment.
Strategy string `json:"strategy,omitempty"`
// PassHostHeader defines whether the client Host header is forwarded to the upstream Kubernetes Service.
// By default, passHostHeader is true.
PassHostHeader *bool `json:"passHostHeader,omitempty"`
// ResponseForwarding defines how Traefik forwards the response from the upstream Kubernetes Service to the client.
ResponseForwarding *ResponseForwarding `json:"responseForwarding,omitempty"`
// ServersTransport defines the name of ServersTransport resource to use.
// It allows to configure the transport between Traefik and your servers.
// Can only be used on a Kubernetes Service.
ServersTransport string `json:"serversTransport,omitempty"`
// Weight defines the weight and should only be specified when Name references a TraefikService object
// (and to be precise, one that embeds a Weighted Round Robin).
Weight *int `json:"weight,omitempty"`
// NativeLB controls, when creating the load-balancer,
// whether the LB's children are directly the pods IPs or if the only child is the Kubernetes Service clusterIP.
// The Kubernetes Service itself does load-balance to the pods.
// By default, NativeLB is false.
NativeLB *bool `json:"nativeLB,omitempty"`
// NodePortLB controls, when creating the load-balancer,
// whether the LB's children are directly the nodes internal IPs using the nodePort when the service type is NodePort.
// 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 ExternalName services.
HealthCheck *ServerHealthCheck `json:"healthCheck,omitempty"`
}
type ResponseForwarding struct {
// FlushInterval defines the interval, in milliseconds, in between flushes to the client while copying the response body.
// A negative value means to flush immediately after each write to the client.
// This configuration is ignored when ReverseProxy recognizes a response as a streaming response;
// for such responses, writes are flushed to the client immediately.
// Default: 100ms
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"`
}
// MiddlewareRef is a reference to a Middleware resource.
type MiddlewareRef struct {
// Name defines the name of the referenced Middleware resource.
Name string `json:"name"`
// Namespace defines the namespace of the referenced Middleware resource.
Namespace string `json:"namespace,omitempty"`
}
// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +kubebuilder:storageversion
// IngressRoute is the CRD implementation of a Traefik HTTP Router.
type IngressRoute struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
metav1.ObjectMeta `json:"metadata"`
Spec IngressRouteSpec `json:"spec"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// IngressRouteList is a collection of IngressRoute.
type IngressRouteList struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
metav1.ListMeta `json:"metadata"`
// Items is the list of IngressRoute.
Items []IngressRoute `json:"items"`
}