intel-device-plugins-for-ku.../cmd/fpga_admissionwebhook/main.go

100 lines
3.1 KiB
Go

// Copyright 2020 Intel Corporation. All Rights Reserved.
//
// 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"
"os"
"k8s.io/apimachinery/pkg/runtime"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
"k8s.io/klog"
"k8s.io/klog/klogr"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/webhook"
"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
fpgav2 "github.com/intel/intel-device-plugins-for-kubernetes/pkg/apis/fpga.intel.com/v2"
controllers "github.com/intel/intel-device-plugins-for-kubernetes/pkg/fpgacontroller"
"github.com/intel/intel-device-plugins-for-kubernetes/pkg/fpgacontroller/patcher"
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
)
func init() {
klog.InitFlags(nil)
_ = fpgav2.AddToScheme(scheme)
}
func main() {
var metricsAddr string
var enableLeaderElection bool
flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
flag.Parse()
ctrl.SetLogger(klogr.New())
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
MetricsBindAddress: metricsAddr,
Port: 9443,
LeaderElection: enableLeaderElection,
LeaderElectionID: "f2c6a4df.intel.com",
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
pm := patcher.NewPatcherManager(ctrl.Log.WithName("webhooks").WithName("Fpga"))
mgr.GetWebhookServer().Register("/pods", &webhook.Admission{
Handler: admission.HandlerFunc(pm.GetPodMutator()),
})
if err = (&controllers.AcceleratorFunctionReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("AcceleratorFunction"),
Scheme: mgr.GetScheme(),
PatcherManager: pm,
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "AcceleratorFunction")
os.Exit(1)
}
if err = (&controllers.FpgaRegionReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("FpgaRegion"),
Scheme: mgr.GetScheme(),
PatcherManager: pm,
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "FpgaRegion")
os.Exit(1)
}
setupLog.Info("starting manager")
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}