registry.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 kubernetes

import (
	"fmt"
	"os"
	"path"
	"sync"
	"time"
)

import (
	"github.com/dubbogo/getty"
	"github.com/dubbogo/gost/net"
	perrors "github.com/pkg/errors"
	k8s "k8s.io/client-go/kubernetes"
)

import (
	"github.com/apache/dubbo-go/common"
	"github.com/apache/dubbo-go/common/constant"
	"github.com/apache/dubbo-go/common/extension"
	"github.com/apache/dubbo-go/common/logger"
	"github.com/apache/dubbo-go/registry"
	"github.com/apache/dubbo-go/remoting/kubernetes"
)

var (
	processID = ""
	localIP   = ""
)

const (
	Name         = "kubernetes"
	ConnDelay    = 3
	MaxFailTimes = 15
)

func init() {
	processID = fmt.Sprintf("%d", os.Getpid())
	localIP, _ = gxnet.GetLocalIP()
	extension.SetRegistry(Name, newKubernetesRegistry)
}

type kubernetesRegistry struct {
	registry.BaseRegistry
	cltLock        sync.RWMutex
	client         *kubernetes.Client
	listenerLock   sync.Mutex
	listener       *kubernetes.EventListener
	dataListener   *dataListener
	configListener *configurationListener
}