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authorPaul Holzinger <pholzing@redhat.com>2021-09-02 10:11:05 +0200
committerPaul Holzinger <pholzing@redhat.com>2021-09-02 10:28:08 +0200
commitddeaaa47c89a00104c457554e0542d988f75e612 (patch)
tree6d1921211bd38c278a438ee9ec3892825c000762 /libpod/network
parent4207d959a68c1ee2b805b7113838580c14f4bbc6 (diff)
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Drop dependency on iproute
We only use the `ip` util to remove a network interface. We can do this directly via the netlink lib, no need to call a external binary. [NO TESTS NEEDED] Fixes #11403 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
Diffstat (limited to 'libpod/network')
-rw-r--r--libpod/network/devices.go10
-rw-r--r--libpod/network/network.go5
2 files changed, 6 insertions, 9 deletions
diff --git a/libpod/network/devices.go b/libpod/network/devices.go
index de6bb4efc..fc9aff337 100644
--- a/libpod/network/devices.go
+++ b/libpod/network/devices.go
@@ -2,12 +2,11 @@ package network
import (
"fmt"
- "os/exec"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v3/pkg/util"
- "github.com/containers/podman/v3/utils"
"github.com/sirupsen/logrus"
+ "github.com/vishvananda/netlink"
)
// GetFreeDeviceName returns a device name that is unused; used when no network
@@ -52,12 +51,9 @@ func GetFreeDeviceName(config *config.Config) (string, error) {
// RemoveInterface removes an interface by the given name
func RemoveInterface(interfaceName string) error {
- // Make sure we have the ip command on the system
- ipPath, err := exec.LookPath("ip")
+ link, err := netlink.LinkByName(interfaceName)
if err != nil {
return err
}
- // Delete the network interface
- _, err = utils.ExecCmd(ipPath, []string{"link", "del", interfaceName}...)
- return err
+ return netlink.LinkDel(link)
}
diff --git a/libpod/network/network.go b/libpod/network/network.go
index 805988432..3b81ce776 100644
--- a/libpod/network/network.go
+++ b/libpod/network/network.go
@@ -194,8 +194,9 @@ func removeNetwork(config *config.Config, name string) error {
return errors.Wrapf(err, "failed to get live network names")
}
if util.StringInSlice(interfaceName, liveNetworkNames) {
- if err := RemoveInterface(interfaceName); err != nil {
- return errors.Wrapf(err, "failed to delete the network interface %q", interfaceName)
+ if err = RemoveInterface(interfaceName); err != nil {
+ // only log the error, it is not fatal
+ logrus.Infof("failed to remove network interface %s: %v", interfaceName, err)
}
}
}