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test/e2e/pod_initcontainers: fix a flake

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Commit 3c3fa6fac4d0f8e8 added a few test cases for the init containers.
The "podman ensure always init containers always run" implicitly assumes
that restarting a pod will take more than 1 second. When this assumption
is not met (because computers are fast!), we get a flake.

The fix (without using sleep) is to print nanoseconds in date output.
This format option (%N) is not supported by date in Alpine Linux, so
switch to Fedora.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2022-01-04 17:07:14 -08:00
parent cf7fc36953
commit 79c5b73ed7
1 changed files with 1 additions and 1 deletions
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2
test/e2e/pod_initcontainers_test.go
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@ -135,7 +135,7 @@ var _ = Describe("Podman init containers", func() {
filename := filepath.Join("/dev/shm", RandomString(12))
// Write the date to a file
session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "new:foobar", ALPINE, "bin/sh", "-c", fmt.Sprintf("date > %s", filename)})
session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "new:foobar", fedoraMinimal, "bin/sh", "-c", "date +%T.%N > " + filename})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
verify := podmanTest.Podman([]string{"create", "--pod", "foobar", "-t", ALPINE, "top"})