Revert "Explicitly unmanage veth interfaces (nmstate#701)"

This reverts commit f717775.

Signed-off-by: Petr Horáček <[email protected]>

deploy/handler/operator.yaml

@@ -153,8 +153,6 @@ spec:
           volumeMounts:
             - name: dbus-socket
               mountPath: /run/dbus/system_bus_socket
-            - name: networkmanager-config
-              mountPath: /host/etc/NetworkManager/conf.d
             - name: nmstate-lock
               mountPath: /var/k8s_nmstate
           securityContext:
@@ -164,10 +162,6 @@ spec:
           hostPath:
             path: /run/dbus/system_bus_socket
             type: Socket
-        - name: networkmanager-config
-          hostPath:
-            path: /etc/NetworkManager/conf.d
-            type: Directory
         - name: nmstate-lock
           hostPath:
             path: /var/k8s_nmstate

main.go

@@ -17,13 +17,11 @@ limitations under the License.
 package main
 
 import (
-	"bytes"
 	"flag"
 	"fmt"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
-	"os/exec"
 	"time"
 
 	"k8s.io/apimachinery/pkg/runtime"
@@ -47,8 +45,6 @@ import (
 	"github.com/nmstate/kubernetes-nmstate/pkg/webhook"
 )
 
-const unmanagedVethCommand = "unmanaged-veth"
-
 type ProfilerConfig struct {
 	EnableProfiler bool   `envconfig:"ENABLE_PROFILER"`
 	ProfilerPort   string `envconfig:"PROFILER_PORT" default:"6060"`
@@ -85,8 +81,6 @@ func main() {
 		}
 		defer handlerLock.Unlock()
 		setupLog.Info("Successfully took nmstate exclusive lock")
-
-		setVethInterfacesAsUnmanaged()
 	}
 
 	ctrlOptions := ctrl.Options{
@@ -220,13 +214,3 @@ func lockHandler() (lockfile.Lockfile, error) {
 	})
 	return handlerLock, err
 }
-
-func setVethInterfacesAsUnmanaged() {
-	cmd := exec.Command(unmanagedVethCommand)
-	var stdout, stderr bytes.Buffer
-	cmd.Stdout = &stdout
-	cmd.Stderr = &stderr
-	if err := cmd.Run(); err != nil {
-		setupLog.Info(fmt.Sprintf("failed to execute %s: '%v', '%s', '%s'", unmanagedVethCommand, err, stdout.String(), stderr.String()))
-	}
-}