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/
main.go
95 lines (78 loc) · 2.37 KB
/
main.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2021 Intel Corporation
package main
import (
"flag"
"os"
ethernetv1 "github.com/smart-edge-open/intel-ethernet-operator/apis/ethernet/v1"
daemon "github.com/smart-edge-open/intel-ethernet-operator/pkg/fwddp-daemon"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
clientset "k8s.io/client-go/kubernetes"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(ethernetv1.AddToScheme(scheme))
}
func main() {
opts := zap.Options{}
opts.BindFlags(flag.CommandLine)
flag.Parse()
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
nodeName := os.Getenv("NODENAME")
if nodeName == "" {
setupLog.Error(nil, "NODENAME environment variable is empty")
os.Exit(1)
}
ns := os.Getenv("ETHERNET_NAMESPACE")
if ns == "" {
setupLog.Error(nil, "ETHERNET_NAMESPACE environment variable is empty")
os.Exit(1)
}
config := ctrl.GetConfigOrDie()
directClient, err := client.New(config, client.Options{Scheme: scheme})
if err != nil {
setupLog.Error(err, "failed to create direct client")
os.Exit(1)
}
cset, err := clientset.NewForConfig(config)
if err != nil {
setupLog.Error(err, "failed to create clientset")
os.Exit(1)
}
mgr, err := ctrl.NewManager(config, ctrl.Options{
Scheme: scheme,
MetricsBindAddress: "0",
LeaderElection: false,
Namespace: ns,
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
daemon, err := daemon.NewNodeConfigReconciler(mgr.GetClient(), cset, ctrl.Log.WithName("daemon"), nodeName, ns)
if err != nil {
setupLog.Error(err, "unable to create reconciler")
os.Exit(1)
}
if err := daemon.SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "NodeConfig")
os.Exit(1)
}
if err := daemon.CreateEmptyNodeConfigIfNeeded(directClient); err != nil {
setupLog.Error(err, "failed to create initial NodeConfig CR")
os.Exit(1)
}
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}