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Fix vlan plugin returning error when device is already removed

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DEL can be called multiple times, a plugin should return no error if
the device is already removed, and other errors should be returned. It
was the opposite for vlan plugin. This PR fixes it.

Signed-off-by: Quan Tian <qtian@vmware.com>
This commit is contained in:
Quan Tian 2020-01-15 00:27:08 +08:00
parent 62b36d2fbc
commit db7e6cfabf
2 changed files with 14 additions and 1 deletions
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2
plugins/main/vlan/vlan.go
View File

@ -207,7 +207,7 @@ func cmdDel(args *skel.CmdArgs) error {
err = ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error {
err = ip.DelLinkByName(args.IfName)
if err != nil && err != ip.ErrLinkNotFound {
if err != nil && err == ip.ErrLinkNotFound {
return nil
}
return err

13
plugins/main/vlan/vlan_test.go
View File

@ -292,6 +292,19 @@ var _ = Describe("vlan Operations", func() {
return nil
})
Expect(err).NotTo(HaveOccurred())
// DEL can be called multiple times, make sure no error is returned
// if the device is already removed.
err = originalNS.Do(func(ns.NetNS) error {
defer GinkgoRecover()
err = testutils.CmdDelWithArgs(args, func() error {
return cmdDel(args)
})
Expect(err).NotTo(HaveOccurred())
return nil
})
Expect(err).NotTo(HaveOccurred())
})
It("configures and deconfigures an CNI V4 vlan link with ADD/CHECK/DEL", func() {