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Add SELinux support for pods

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All containers within a Pod need to run with the same SELinux
label, unless overwritten by the user.

Also added a bunch of SELinux tests to make sure selinux labels
are correct on namespaces.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2020-10-02 12:02:16 -04:00
parent d4e97b35c2
commit d0f3c17912
3 changed files with 145 additions and 0 deletions
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111
test/e2e/run_selinux_test.go
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@@ -182,4 +182,115 @@ var _ = Describe("Podman run", func() {
match2, _ := session.GrepString("s0:c1,c2")
Expect(match2).To(BeTrue())
})
It("podman pod container share SELinux labels", func() {
session := podmanTest.Podman([]string{"pod", "create"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
podID := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
label1 := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal(label1))
session = podmanTest.Podman([]string{"pod", "rm", podID, "--force"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman pod container --infra=false doesn't share SELinux labels", func() {
session := podmanTest.Podman([]string{"pod", "create", "--infra=false"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
podID := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
label1 := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--pod", podID, ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Not(Equal(label1)))
session = podmanTest.Podman([]string{"pod", "rm", podID, "--force"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
})
It("podman shared IPC NS container share SELinux labels", func() {
session := podmanTest.RunTopContainer("test1")
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "test1", "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
label1 := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--ipc", "container:test1", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal(label1))
})
It("podman shared PID NS container share SELinux labels", func() {
session := podmanTest.RunTopContainer("test1")
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "test1", "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
label1 := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--pid", "container:test1", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Equal(label1))
})
It("podman shared NET NS container doesn't share SELinux labels", func() {
session := podmanTest.RunTopContainer("test1")
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"exec", "test1", "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
label1 := session.OutputToString()
session = podmanTest.Podman([]string{"run", "--net", "container:test1", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Not(Equal(label1)))
})
It("podman test --pid=host", func() {
session := podmanTest.Podman([]string{"run", "--pid=host", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("spc_t"))
})
It("podman test --ipc=host", func() {
session := podmanTest.Podman([]string{"run", "--ipc=host", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("spc_t"))
})
It("podman test --ipc=net", func() {
session := podmanTest.Podman([]string{"run", "--net=host", ALPINE, "cat", "/proc/self/attr/current"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("container_t"))
})
})