1 files changed, 0 insertions, 58 deletions
diff --git a/vendor/k8s.io/kubernetes/pkg/proxy/util/conntrack.go b/vendor/k8s.io/kubernetes/pkg/proxy/util/conntrack.go
deleted file mode 100644
index 436045ecb..000000000
--- a/vendor/k8s.io/kubernetes/pkg/proxy/util/conntrack.go
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
-Copyright 2016 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 util
-
-import (
-	"fmt"
-	"strings"
-
-	"k8s.io/kubernetes/pkg/util/exec"
-
-	"github.com/golang/glog"
-)
-
-// Utilities for dealing with conntrack
-
-const noConnectionToDelete = "0 flow entries have been deleted"
-
-// DeleteServiceConnection uses the conntrack tool to delete the conntrack entries
-// for the UDP connections specified by the given service IPs
-func DeleteServiceConnections(execer exec.Interface, svcIPs []string) {
-	for _, ip := range svcIPs {
-		glog.V(2).Infof("Deleting connection tracking state for service IP %s", ip)
-		err := ExecConntrackTool(execer, "-D", "--orig-dst", ip, "-p", "udp")
-		if err != nil && !strings.Contains(err.Error(), noConnectionToDelete) {
-			// TODO: Better handling for deletion failure. When failure occur, stale udp connection may not get flushed.
-			// These stale udp connection will keep black hole traffic. Making this a best effort operation for now, since it
-			// is expensive to baby-sit all udp connections to kubernetes services.
-			glog.Errorf("conntrack returned error: %v", err)
-		}
-	}
-}
-
-// ExecConntrackTool executes the conntrack tool using the given parameters
-func ExecConntrackTool(execer exec.Interface, parameters ...string) error {
-	conntrackPath, err := execer.LookPath("conntrack")
-	if err != nil {
-		return fmt.Errorf("error looking for path of conntrack: %v", err)
-	}
-	output, err := execer.Command(conntrackPath, parameters...).CombinedOutput()
-	if err != nil {
-		return fmt.Errorf("conntrack command returned: %q, error message: %s", string(output), err)
-	}
-	return nil
-}