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Binding the same container port to >1 host port is OK

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The initial version of the new port code mistakenly restricted
this, so un-restrict it. We still need to maintain the map of
container ports, unfortunately (need to verify if the port in
question is a duplicate, for example).

Fixes #7062

Signed-off-by: Matthew Heon <matthew.heon@pm.me>
This commit is contained in:
Matthew Heon
2020-07-23 16:43:43 -04:00
parent 288ebec6e7
commit ecefdab3d9
2 changed files with 24 additions and 7 deletions
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16
test/e2e/run_networking_test.go
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@@ -220,6 +220,22 @@ var _ = Describe("Podman run networking", func() {
Expect(inspectOut[0].NetworkSettings.Ports["8080/tcp"][0].HostIP).To(Equal(""))
})
It("podman run -p 8080:8080 -p 8081:8080", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "4000:8080", "-p", "8000:8080", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(len(inspectOut)).To(Equal(1))
Expect(len(inspectOut[0].NetworkSettings.Ports)).To(Equal(1))
Expect(len(inspectOut[0].NetworkSettings.Ports["8080/tcp"])).To(Equal(2))
hp1 := inspectOut[0].NetworkSettings.Ports["8080/tcp"][0].HostPort
hp2 := inspectOut[0].NetworkSettings.Ports["8080/tcp"][1].HostPort
// We can't guarantee order
Expect((hp1 == "4000" && hp2 == "8000") || (hp1 == "8000" && hp2 == "4000")).To(BeTrue())
})
It("podman run network expose host port 80 to container port 8000", func() {
SkipIfRootless()
session := podmanTest.Podman([]string{"run", "-dt", "-p", "80:8000", ALPINE, "/bin/sh"})