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Merge pull request #636 from EdDev/bridge-mac-specification

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bridge: Add mac field to specify container iface mac
This commit is contained in:
Dan Williams
2021-06-30 10:57:09 -05:00
committed by GitHub
parent eddf2f2386 a3cde17fc0
commit f14ff6687a
5 changed files with 199 additions and 24 deletions
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34
pkg/ip/link_linux_test.go
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@ -70,7 +70,7 @@ var _ = Describe("Link", func() {
_ = containerNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
hostVeth, containerVeth, err = ip.SetupVeth(fmt.Sprintf(ifaceFormatString, ifaceCounter), mtu, hostNetNS)
hostVeth, containerVeth, err = ip.SetupVeth(fmt.Sprintf(ifaceFormatString, ifaceCounter), mtu, "", hostNetNS)
if err != nil {
return err
}
@ -157,7 +157,7 @@ var _ = Describe("Link", func() {
_ = containerNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
_, _, err := ip.SetupVeth(containerVethName, mtu, hostNetNS)
_, _, err := ip.SetupVeth(containerVethName, mtu, "", hostNetNS)
Expect(err.Error()).To(Equal(fmt.Sprintf("container veth name provided (%s) already exists", containerVethName)))
return nil
@ -187,7 +187,7 @@ var _ = Describe("Link", func() {
It("returns useful error", func() {
_ = containerNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
_, _, err := ip.SetupVeth(containerVethName, mtu, hostNetNS)
_, _, err := ip.SetupVeth(containerVethName, mtu, "", hostNetNS)
Expect(err.Error()).To(HavePrefix("failed to move veth to host netns: "))
return nil
@ -205,7 +205,7 @@ var _ = Describe("Link", func() {
_ = containerNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
hostVeth, _, err := ip.SetupVeth(containerVethName, mtu, hostNetNS)
hostVeth, _, err := ip.SetupVeth(containerVethName, mtu, "", hostNetNS)
Expect(err).NotTo(HaveOccurred())
hostVethName = hostVeth.Name
return nil
@ -231,6 +231,32 @@ var _ = Describe("Link", func() {
})
})
It("successfully creates a veth pair with an explicit mac", func() {
const mac = "02:00:00:00:01:23"
_ = containerNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
hostVeth, _, err := ip.SetupVeth(containerVethName, mtu, mac, hostNetNS)
Expect(err).NotTo(HaveOccurred())
hostVethName = hostVeth.Name
link, err := netlink.LinkByName(containerVethName)
Expect(err).NotTo(HaveOccurred())
Expect(link.Attrs().HardwareAddr.String()).To(Equal(mac))
return nil
})
_ = hostNetNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
link, err := netlink.LinkByName(hostVethName)
Expect(err).NotTo(HaveOccurred())
Expect(link.Attrs().HardwareAddr.String()).NotTo(Equal(mac))
return nil
})
})
})
It("DelLinkByName must delete the veth endpoints", func() {