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common.go
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common.go
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package main
import (
"fmt"
"os"
"path/filepath"
mcfgv1 "github.com/openshift/machine-config-operator/pkg/apis/machineconfiguration.openshift.io/v1"
"github.com/spf13/cobra"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes"
typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
runtimeclient "sigs.k8s.io/controller-runtime/pkg/client"
logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
compapis "github.com/openshift/compliance-operator/pkg/apis"
)
const (
maxRetries = 15
)
var log = logf.Log.WithName("cmd")
type complianceCrClient struct {
client runtimeclient.Client
scheme *runtime.Scheme
recorder record.EventRecorder
}
func (crclient *complianceCrClient) useEventRecorder(source string, config *rest.Config) error {
kubeClient, err := kubernetes.NewForConfig(config)
if err != nil {
return err
}
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartEventWatcher(
func(e *corev1.Event) {
log.Info(e.Type, "object", e.InvolvedObject, "reason", e.Reason, "message", e.Message)
})
eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeClient.CoreV1().Events("")})
crclient.recorder = eventBroadcaster.NewRecorder(crclient.scheme, v1.EventSource{Component: source})
return nil
}
func createCrClient(config *rest.Config) (*complianceCrClient, error) {
scheme := runtime.NewScheme()
corev1.AddToScheme(scheme)
mcfgv1.AddToScheme(scheme)
compapis.AddToScheme(scheme)
client, err := runtimeclient.New(config, runtimeclient.Options{
Scheme: scheme,
})
if err != nil {
return nil, err
}
return &complianceCrClient{
client: client,
scheme: scheme,
}, nil
}
func getValidStringArg(cmd *cobra.Command, name string) string {
val, _ := cmd.Flags().GetString(name)
if val == "" {
fmt.Fprintf(os.Stderr, "The command line argument '%s' is mandatory.\n", name)
os.Exit(1)
}
return val
}
func readContent(filename string) (*os.File, error) {
// gosec complains that the file is passed through an evironment variable. But
// this is not a security issue because none of the files are user-provided
cleanFileName := filepath.Clean(filename)
// #nosec G304
return os.Open(cleanFileName)
}