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a1150245cc
Movified from686be57d0a, and re-ran gofmt again to address for files not present in 20.10 and vice-versa. Signed-off-by: Sebastiaan van Stijn <github@gone.nl> (cherry picked from commit686be57d0a) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
//go:build !windows
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// +build !windows
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package main
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import (
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"bytes"
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"io"
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"os/exec"
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"strings"
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"testing"
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"time"
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"github.com/creack/pty"
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"gotest.tools/v3/assert"
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)
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// regression test for #12546
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func (s *DockerSuite) TestExecInteractiveStdinClose(c *testing.T) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-itd", "busybox", "/bin/cat")
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contID := strings.TrimSpace(out)
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cmd := exec.Command(dockerBinary, "exec", "-i", contID, "echo", "-n", "hello")
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p, err := pty.Start(cmd)
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assert.NilError(c, err)
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b := bytes.NewBuffer(nil)
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ch := make(chan error, 1)
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go func() { ch <- cmd.Wait() }()
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select {
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case err := <-ch:
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assert.NilError(c, err)
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io.Copy(b, p)
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p.Close()
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bs := b.Bytes()
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bs = bytes.Trim(bs, "\x00")
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output := string(bs[:])
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assert.Equal(c, strings.TrimSpace(output), "hello")
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case <-time.After(5 * time.Second):
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p.Close()
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c.Fatal("timed out running docker exec")
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}
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}
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func (s *DockerSuite) TestExecTTY(c *testing.T) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
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dockerCmd(c, "run", "-d", "--name=test", "busybox", "sh", "-c", "echo hello > /foo && top")
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cmd := exec.Command(dockerBinary, "exec", "-it", "test", "sh")
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p, err := pty.Start(cmd)
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assert.NilError(c, err)
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defer p.Close()
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_, err = p.Write([]byte("cat /foo && exit\n"))
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assert.NilError(c, err)
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chErr := make(chan error, 1)
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go func() {
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chErr <- cmd.Wait()
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}()
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select {
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case err := <-chErr:
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assert.NilError(c, err)
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case <-time.After(3 * time.Second):
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c.Fatal("timeout waiting for exec to exit")
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}
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buf := make([]byte, 256)
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read, err := p.Read(buf)
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assert.NilError(c, err)
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assert.Assert(c, bytes.Contains(buf, []byte("hello")), string(buf[:read]))
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}
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// Test the TERM env var is set when -t is provided on exec
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func (s *DockerSuite) TestExecWithTERM(c *testing.T) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
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out, _ := dockerCmd(c, "run", "-id", "busybox", "/bin/cat")
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contID := strings.TrimSpace(out)
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cmd := exec.Command(dockerBinary, "exec", "-t", contID, "sh", "-c", "if [ -z $TERM ]; then exit 1; else exit 0; fi")
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if err := cmd.Run(); err != nil {
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assert.NilError(c, err)
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}
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}
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// Test that the TERM env var is not set on exec when -t is not provided, even if it was set
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// on run
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func (s *DockerSuite) TestExecWithNoTERM(c *testing.T) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
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out, _ := dockerCmd(c, "run", "-itd", "busybox", "/bin/cat")
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contID := strings.TrimSpace(out)
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cmd := exec.Command(dockerBinary, "exec", contID, "sh", "-c", "if [ -z $TERM ]; then exit 0; else exit 1; fi")
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if err := cmd.Run(); err != nil {
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assert.NilError(c, err)
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}
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}
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