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bcd996f4c3
Make sure to always explicitly set namespace for all kernel bound network operations irrespective of whether the operation is performed in init namespace or a user defined namespace. This already happens for user defined netns. But doesn't happen for initial netns that libnetwork runs in. Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
package bridge
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import (
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"bytes"
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"net"
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"testing"
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"github.com/docker/libnetwork/netutils"
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"github.com/docker/libnetwork/osl"
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"github.com/vishvananda/netlink"
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)
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func TestSetupNewBridge(t *testing.T) {
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defer osl.SetupTestOSContext(t)()
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config := &networkConfiguration{BridgeName: DefaultBridgeName}
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br := &bridgeInterface{}
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if err := setupDevice(config, br); err != nil {
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t.Fatalf("Bridge creation failed: %v", err)
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}
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if br.Link == nil {
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t.Fatal("bridgeInterface link is nil (expected valid link)")
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}
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if _, err := netlink.LinkByName(DefaultBridgeName); err != nil {
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t.Fatalf("Failed to retrieve bridge device: %v", err)
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}
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if br.Link.Attrs().Flags&net.FlagUp == net.FlagUp {
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t.Fatalf("bridgeInterface should be created down")
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}
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}
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func TestSetupNewNonDefaultBridge(t *testing.T) {
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defer osl.SetupTestOSContext(t)()
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config := &networkConfiguration{BridgeName: "test0"}
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br := &bridgeInterface{}
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err := setupDevice(config, br)
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if err == nil {
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t.Fatal("Expected bridge creation failure with \"non default name\", succeeded")
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}
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if _, ok := err.(NonDefaultBridgeExistError); !ok {
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t.Fatalf("Did not fail with expected error. Actual error: %v", err)
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}
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}
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func TestSetupDeviceUp(t *testing.T) {
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defer osl.SetupTestOSContext(t)()
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config := &networkConfiguration{BridgeName: DefaultBridgeName}
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br := &bridgeInterface{}
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if err := setupDevice(config, br); err != nil {
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t.Fatalf("Bridge creation failed: %v", err)
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}
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if err := setupDeviceUp(config, br); err != nil {
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t.Fatalf("Failed to up bridge device: %v", err)
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}
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lnk, _ := netlink.LinkByName(DefaultBridgeName)
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if lnk.Attrs().Flags&net.FlagUp != net.FlagUp {
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t.Fatalf("bridgeInterface should be up")
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}
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}
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func TestGenerateRandomMAC(t *testing.T) {
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defer osl.SetupTestOSContext(t)()
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mac1 := netutils.GenerateRandomMAC()
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mac2 := netutils.GenerateRandomMAC()
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if bytes.Compare(mac1, mac2) == 0 {
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t.Fatalf("Generated twice the same MAC address %v", mac1)
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}
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}
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