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Support for all services kinds (and sticky) in CRD

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Co-authored-by: Jean-Baptiste Doumenjou <jb.doumenjou@gmail.com>
Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>
This commit is contained in:
mpl 2019-11-14 19:28:04 +01:00 • committed by Traefiker Bot
parent 424e2a9439
commit f30a52c2dc
42 changed files with 3344 additions and 354 deletions
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64
pkg/provider/kubernetes/crd/traefik/v1alpha1/ingressroute.go
View file

@ -1,6 +1,9 @@
package v1alpha1
import (
"errors"
"fmt"
"github.com/containous/traefik/v2/pkg/config/dynamic"
"github.com/containous/traefik/v2/pkg/types"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -22,13 +25,14 @@ type Route struct {
Middlewares []MiddlewareRef `json:"middlewares"`
}
// TLS contains the TLS certificates configuration of the routes. To enable
// Let's Encrypt, use an empty TLS struct, e.g. in YAML:
// TLS contains the TLS certificates configuration of the routes.
// To enable Let's Encrypt, use an empty TLS struct,
// e.g. in YAML:
//
// tls: {} # inline format
// tls: {} # inline format
//
// tls:
// secretName: # block format
// tls:
// secretName: # block format
type TLS struct {
// SecretName is the name of the referenced Kubernetes Secret to specify the
// certificate details.
@ -45,16 +49,58 @@ type TLSOptionRef struct {
Namespace string `json:"namespace"`
}
// Service defines an upstream to proxy traffic.
type Service struct {
Name string `json:"name"`
// LoadBalancerSpec can reference either a Kubernetes Service object (a load-balancer of servers),
// or a TraefikService object (a traefik load-balancer of services).
type LoadBalancerSpec struct {
// Name is a reference to a Kubernetes Service object (for a load-balancer of servers),
// or to a TraefikService object (service load-balancer, mirroring, etc).
// The differentiation between the two is specified in the Kind field.
Name string `json:"name"`
Kind string `json:"kind"`
Namespace string `json:"namespace"`
Sticky *dynamic.Sticky `json:"sticky,omitempty"`
// Port and all the fields below are related to a servers load-balancer,
// and therefore should only be specified when Name references a Kubernetes Service.
Port int32 `json:"port"`
Scheme string `json:"scheme,omitempty"`
HealthCheck *HealthCheck `json:"healthCheck,omitempty"`
Strategy string `json:"strategy,omitempty"`
PassHostHeader *bool `json:"passHostHeader,omitempty"`
ResponseForwarding *dynamic.ResponseForwarding `json:"responseForwarding,omitempty"`
Weight *int `json:"weight,omitempty"`
// Weight 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"`
}
// IsServersLB reports whether lb is a load-balancer of servers
// (as opposed to a traefik load-balancer of services).
func (lb LoadBalancerSpec) IsServersLB() (bool, error) {
if lb.Name == "" {
return false, errors.New("missing Name field in service")
}
if lb.Kind == "" || lb.Kind == "Service" {
return true, nil
}
if lb.Kind != "TraefikService" {
return false, fmt.Errorf("invalid kind value: %v", lb.Kind)
}
if lb.Port != 0 ||
lb.Scheme != "" ||
lb.HealthCheck != nil ||
lb.Strategy != "" ||
lb.PassHostHeader != nil ||
lb.ResponseForwarding != nil ||
lb.Sticky != nil {
return false, fmt.Errorf("service of kind %v is incompatible with Kubernetes Service related fields", lb.Kind)
}
return false, nil
}
// Service defines an upstream to proxy traffic.
type Service struct {
LoadBalancerSpec
}
// MiddlewareRef is a ref to the Middleware resources.