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For ipvlan tests check that the ipvlan module is enabled (instead of just ensuring the kernel version is greater than 4.2)

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Co-Authored-By: Jim Ehrismann <jim-docker@users.noreply.github.com>
Co-Authored-By: Sebastiaan van Stijn <thaJeztah@users.noreply.github.com>
Signed-off-by: Jim Ehrismann <jim.ehrismann@docker.com>
(cherry picked from commit a77e147d32)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Kir Kolyshkin 2019-06-12 16:00:07 -04:00 committed by Sebastiaan van Stijn
parent b07f53d0a4
commit 8a2f96096a
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
1 changed files with 24 additions and 5 deletions
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29
integration/network/ipvlan/ipvlan_test.go
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@ -4,7 +4,10 @@ package ipvlan
import (
"context"
"os"
"os/exec"
"strings"
"sync"
"testing"
"time"
@ -21,7 +24,7 @@ func TestDockerNetworkIpvlanPersistance(t *testing.T) {
// verify the driver automatically provisions the 802.1q link (di-dummy0.70)
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, !ipvlanKernelSupport(), "Kernel doesn't support ipvlan")
skip.If(t, !ipvlanKernelSupport(t), "Kernel doesn't support ipvlan")
d := daemon.New(t, daemon.WithExperimental)
d.StartWithBusybox(t)
@ -49,7 +52,7 @@ func TestDockerNetworkIpvlanPersistance(t *testing.T) {
func TestDockerNetworkIpvlan(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
skip.If(t, testEnv.IsRemoteDaemon)
skip.If(t, !ipvlanKernelSupport(), "Kernel doesn't support ipvlan")
skip.If(t, !ipvlanKernelSupport(t), "Kernel doesn't support ipvlan")
for _, tc := range []struct {
name string
@ -425,7 +428,23 @@ func testIpvlanAddressing(client dclient.APIClient) func(*testing.T) {
}
}
// ensure Kernel version is >= v4.2 for ipvlan support
func ipvlanKernelSupport() bool {
return n.CheckKernelMajorVersionGreaterOrEqualThen(4, 2)
var (
once sync.Once
ipvlanSupported bool
)
// figure out if ipvlan is supported by the kernel
func ipvlanKernelSupport(t *testing.T) bool {
once.Do(func() {
// this may have the side effect of enabling the ipvlan module
exec.Command("modprobe", "ipvlan").Run()
_, err := os.Stat("/sys/module/ipvlan")
if err == nil {
ipvlanSupported = true
} else if !os.IsNotExist(err) {
t.Logf("WARNING: ipvlanKernelSupport: stat failed: %v\n", err)
}
})
return ipvlanSupported
}