/
main.go
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/
main.go
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/*
Copyright 2020 The Kubernetes 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 (
"os"
"time"
"github.com/pkg/errors"
"github.com/urfave/cli/v2"
"k8s.io/klog/klogr"
ctrl "sigs.k8s.io/controller-runtime"
"github.com/kubernetes-sigs/seccomp-operator/internal/pkg/controllers/profile"
"github.com/kubernetes-sigs/seccomp-operator/internal/pkg/version"
)
const (
appName string = "seccomp-operator"
jsonFlag string = "json"
)
var (
sync = time.Second * 30
setupLog = ctrl.Log.WithName("setup")
)
func main() {
ctrl.SetLogger(klogr.New())
app := cli.NewApp()
app.Name = appName
app.Usage = "Kubernetes Seccomp Operator"
app.Description = "The Seccomp Operator makes it easier for cluster admins " +
"to manage their seccomp profiles and apply them to Kubernetes' workloads."
app.Version = version.Get().GitVersion
app.Action = run
app.Commands = cli.Commands{
&cli.Command{
Name: "version",
Aliases: []string{"v"},
Usage: "display detailed version information",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: jsonFlag,
Aliases: []string{"j"},
Usage: "print JSON instead of text",
},
},
Action: func(c *cli.Context) error {
v := version.Get()
res := v.String()
if c.Bool(jsonFlag) {
j, err := v.JSONString()
if err != nil {
return errors.Wrap(err, "unable to generate JSON from version info")
}
res = j
}
print(res)
return nil
},
},
}
if err := app.Run(os.Args); err != nil {
setupLog.Error(err, "running seccomp-operator")
os.Exit(1)
}
}
func run(*cli.Context) error {
v := version.Get()
setupLog.Info(
"starting seccomp-operator",
"gitVersion", v.GitVersion,
"gitCommit", v.GitCommit,
"gitTreeState", v.GitTreeState,
"buildDate", v.BuildDate,
"goVersion", v.GoVersion,
"compiler", v.Compiler,
"platform", v.Platform,
)
cfg, err := ctrl.GetConfig()
if err != nil {
return errors.Wrap(err, "get config")
}
mgr, err := ctrl.NewManager(cfg, ctrl.Options{
SyncPeriod: &sync,
})
if err != nil {
return errors.Wrap(err, "create manager")
}
if err := profile.Setup(mgr, ctrl.Log.WithName("profile")); err != nil {
return errors.Wrap(err, "setup profile controller")
}
setupLog.Info("starting manager")
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
return errors.Wrap(err, "controller manager error")
}
return nil
}