46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package integration
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import (
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"strings"
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"testing"
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"gvisor.dev/gvisor/runsc/test/testutil"
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)
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// Test that UDS can be created using overlay when parent directory is in lower
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// layer only (b/134090485).
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//
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// Prerequisite: the directory where the socket file is created must not have
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// been open for write before bind(2) is called.
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func TestBindOverlay(t *testing.T) {
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if err := testutil.Pull("ubuntu:trusty"); err != nil {
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t.Fatal("docker pull failed:", err)
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}
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d := testutil.MakeDocker("bind-overlay-test")
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cmd := "nc -l -U /var/run/sock & p=$! && sleep 1 && echo foobar-asdf | nc -U /var/run/sock && wait $p"
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got, err := d.RunFg("ubuntu:trusty", "bash", "-c", cmd)
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if err != nil {
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t.Fatal("docker run failed:", err)
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}
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if want := "foobar-asdf"; !strings.Contains(got, want) {
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t.Fatalf("docker run output is missing %q: %s", want, got)
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}
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defer d.CleanUp()
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}
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