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factory.go
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/
factory.go
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/*
Copyright 2020 The Flux authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package router
import (
"strings"
"go.uber.org/zap"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
clientset "github.com/fluxcd/flagger/pkg/client/clientset/versioned"
)
type Factory struct {
kubeConfig *restclient.Config
kubeClient kubernetes.Interface
meshClient clientset.Interface
flaggerClient clientset.Interface
ingressAnnotationsPrefix string
ingressClass string
logger *zap.SugaredLogger
setOwnerRefs bool
}
func NewFactory(kubeConfig *restclient.Config, kubeClient kubernetes.Interface,
flaggerClient clientset.Interface,
ingressAnnotationsPrefix string,
ingressClass string,
logger *zap.SugaredLogger,
meshClient clientset.Interface,
setOwnerRefs bool) *Factory {
return &Factory{
kubeConfig: kubeConfig,
meshClient: meshClient,
kubeClient: kubeClient,
flaggerClient: flaggerClient,
ingressAnnotationsPrefix: ingressAnnotationsPrefix,
ingressClass: ingressClass,
logger: logger,
setOwnerRefs: setOwnerRefs,
}
}
// KubernetesRouter returns a KubernetesRouter interface implementation
func (factory *Factory) KubernetesRouter(kind string, labelSelector string, labelValue string, ports map[string]int32) KubernetesRouter {
switch kind {
case "Service":
return &KubernetesNoopRouter{}
default: // Daemonset or Deployment
return &KubernetesDefaultRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
labelSelector: labelSelector,
labelValue: labelValue,
ports: ports,
}
}
}
// MeshRouter returns a service mesh router
func (factory *Factory) MeshRouter(provider string, labelSelector string) Interface {
switch {
case strings.HasPrefix(provider, flaggerv1.AppMeshProvider+":v1beta2"):
return &AppMeshv1beta2Router{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
appmeshClient: factory.meshClient,
labelSelector: labelSelector,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.AppMeshProvider:
return &AppMeshRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
appmeshClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.LinkerdProvider:
return &SmiRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
smiClient: factory.meshClient,
targetMesh: flaggerv1.LinkerdProvider,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.IstioProvider:
return &IstioRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
istioClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case strings.HasPrefix(provider, flaggerv1.SMIProvider+":v1alpha1"):
mesh := strings.TrimPrefix(provider, flaggerv1.SMIProvider+":v1alpha1:")
return &SmiRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
smiClient: factory.meshClient,
targetMesh: mesh,
setOwnerRefs: factory.setOwnerRefs,
}
case strings.HasPrefix(provider, flaggerv1.SMIProvider+":v1alpha2"):
mesh := strings.TrimPrefix(provider, flaggerv1.SMIProvider+":v1alpha2:")
return &Smiv1alpha2Router{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
smiClient: factory.meshClient,
targetMesh: mesh,
setOwnerRefs: factory.setOwnerRefs,
}
case strings.HasPrefix(provider, flaggerv1.SMIProvider+":v1alpha3"):
mesh := strings.TrimPrefix(provider, flaggerv1.SMIProvider+":v1alpha3:")
return &Smiv1alpha3Router{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
smiClient: factory.meshClient,
targetMesh: mesh,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.ContourProvider:
return &ContourRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
contourClient: factory.meshClient,
ingressClass: factory.ingressClass,
setOwnerRefs: factory.setOwnerRefs,
}
case strings.HasPrefix(provider, flaggerv1.GlooProvider):
return &GlooRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
glooClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.NGINXProvider:
return &IngressRouter{
logger: factory.logger,
kubeClient: factory.kubeClient,
annotationsPrefix: factory.ingressAnnotationsPrefix,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.SkipperProvider:
return &SkipperRouter{
logger: factory.logger,
kubeClient: factory.kubeClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.TraefikProvider:
return &TraefikRouter{
logger: factory.logger,
traefikClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.ApisixProvider:
return &ApisixRouter{
logger: factory.logger,
apisixClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.OsmProvider:
return &Smiv1alpha2Router{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
smiClient: factory.meshClient,
targetMesh: flaggerv1.OsmProvider,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.KumaProvider:
return &KumaRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
kumaClient: factory.meshClient,
}
case strings.HasPrefix(provider, flaggerv1.GatewayAPIProvider+":v1beta1"):
return &GatewayAPIV1Beta1Router{
logger: factory.logger,
kubeClient: factory.kubeClient,
gatewayAPIClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case strings.HasPrefix(provider, flaggerv1.GatewayAPIProvider+":v1"):
return &GatewayAPIRouter{
logger: factory.logger,
kubeClient: factory.kubeClient,
gatewayAPIClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
case provider == flaggerv1.KubernetesProvider:
return &NopRouter{}
default:
return &IstioRouter{
logger: factory.logger,
flaggerClient: factory.flaggerClient,
kubeClient: factory.kubeClient,
istioClient: factory.meshClient,
setOwnerRefs: factory.setOwnerRefs,
}
}
}