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main.go
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main.go
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// Copyright 2019-2024 The Liqo 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 main
import (
"flag"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/log"
discoveryv1alpha1 "github.com/liqotech/liqo/apis/discovery/v1alpha1"
netv1alpha1 "github.com/liqotech/liqo/apis/net/v1alpha1"
offloadingv1alpha1 "github.com/liqotech/liqo/apis/offloading/v1alpha1"
virtualkubeletv1alpha1 "github.com/liqotech/liqo/apis/virtualkubelet/v1alpha1"
liqoconst "github.com/liqotech/liqo/pkg/consts"
"github.com/liqotech/liqo/pkg/utils/restcfg"
)
const (
// This labels are the ones set during the deployment of liqo using the helm chart.
// Any change to those labels on the helm chart has also to be reflected here.
podInstanceLabelKey = "app.kubernetes.io/instance"
routeInstanceLabelValue = "liqo-route"
podNameLabelKey = "app.kubernetes.io/name"
routeNameLabelValue = "route"
)
var (
scheme = runtime.NewScheme()
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(discoveryv1alpha1.AddToScheme(scheme))
utilruntime.Must(netv1alpha1.AddToScheme(scheme))
utilruntime.Must(offloadingv1alpha1.AddToScheme(scheme))
utilruntime.Must(virtualkubeletv1alpha1.AddToScheme(scheme))
}
func main() {
klog.InitFlags(nil)
restcfg.InitFlags(nil)
commonFlags := &liqonetCommonFlags{}
routeFlags := &routeOperatorFlags{}
gatewayFlags := &gatewayOperatorFlags{}
managerFlags := &networkManagerFlags{}
addCommonFlags(commonFlags)
addGatewayOperatorFlags(gatewayFlags)
addRouteOperatorFlags(routeFlags)
addNetworkManagerFlags(managerFlags)
flag.Parse()
log.SetLogger(klog.NewKlogr())
switch commonFlags.runAs {
case liqoconst.LiqoRouteOperatorName:
runRouteOperator(commonFlags, routeFlags)
case liqoconst.LiqoGatewayOperatorName:
runGatewayOperator(commonFlags, gatewayFlags)
case liqoconst.LiqoNetworkManagerName:
runNetworkManager(commonFlags, managerFlags)
}
}