Move codes to pkg (#46)

pkg/ingress/kube/common/controller.go

@@ -0,0 +1,133 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// 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 common
+
+import (
+	"strings"
+
+	networking "istio.io/api/networking/v1alpha3"
+	"istio.io/istio/pilot/pkg/model"
+	"istio.io/istio/pkg/config"
+	gatewaytool "istio.io/istio/pkg/config/gateway"
+	listerv1 "k8s.io/client-go/listers/core/v1"
+	"k8s.io/client-go/tools/cache"
+
+	"github.com/alibaba/higress/pkg/ingress/kube/annotations"
+)
+
+type ServiceKey struct {
+	Namespace string
+	Name      string
+	Port      int32
+}
+
+type WrapperConfig struct {
+	Config            *config.Config
+	AnnotationsConfig *annotations.Ingress
+}
+
+type WrapperGateway struct {
+	Gateway       *networking.Gateway
+	WrapperConfig *WrapperConfig
+	ClusterId     string
+	Host          string
+}
+
+func (w *WrapperGateway) IsHTTPS() bool {
+	if w.Gateway == nil || len(w.Gateway.Servers) == 0 {
+		return false
+	}
+
+	for _, server := range w.Gateway.Servers {
+		if gatewaytool.IsTLSServer(server) {
+			return true
+		}
+	}
+
+	return false
+}
+
+type WrapperHTTPRoute struct {
+	HTTPRoute        *networking.HTTPRoute
+	WrapperConfig    *WrapperConfig
+	RawClusterId     string
+	ClusterId        string
+	ClusterName      string
+	Host             string
+	OriginPath       string
+	OriginPathType   PathType
+	WeightTotal      int32
+	IsDefaultBackend bool
+}
+
+func (w *WrapperHTTPRoute) Meta() string {
+	return strings.Join([]string{w.WrapperConfig.Config.Namespace, w.WrapperConfig.Config.Name}, "-")
+}
+
+func (w *WrapperHTTPRoute) BasePathFormat() string {
+	return strings.Join([]string{w.Host, w.OriginPath}, "-")
+}
+
+func (w *WrapperHTTPRoute) PathFormat() string {
+	return strings.Join([]string{w.Host, string(w.OriginPathType), w.OriginPath}, "-")
+}
+
+type WrapperVirtualService struct {
+	VirtualService           *networking.VirtualService
+	WrapperConfig            *WrapperConfig
+	ConfiguredDefaultBackend bool
+	AppRoot                  string
+}
+
+type WrapperTrafficPolicy struct {
+	TrafficPolicy *networking.TrafficPolicy_PortTrafficPolicy
+	WrapperConfig *WrapperConfig
+}
+
+type WrapperDestinationRule struct {
+	DestinationRule *networking.DestinationRule
+	WrapperConfig   *WrapperConfig
+	ServiceKey      ServiceKey
+}
+
+type IngressController interface {
+	// RegisterEventHandler adds a handler to receive config update events for a
+	// configuration type
+	RegisterEventHandler(kind config.GroupVersionKind, handler model.EventHandler)
+
+	List() []config.Config
+
+	ServiceLister() listerv1.ServiceLister
+
+	SecretLister() listerv1.SecretLister
+
+	ConvertGateway(convertOptions *ConvertOptions, wrapper *WrapperConfig) error
+
+	ConvertHTTPRoute(convertOptions *ConvertOptions, wrapper *WrapperConfig) error
+
+	ApplyDefaultBackend(convertOptions *ConvertOptions, wrapper *WrapperConfig) error
+
+	ApplyCanaryIngress(convertOptions *ConvertOptions, wrapper *WrapperConfig) error
+
+	ConvertTrafficPolicy(convertOptions *ConvertOptions, wrapper *WrapperConfig) error
+
+	// Run until a signal is received
+	Run(stop <-chan struct{})
+
+	SetWatchErrorHandler(func(r *cache.Reflector, err error)) error
+
+	// HasSynced returns true after initial cache synchronization is complete
+	HasSynced() bool
+}