56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
![]() |
// +build !windows
|
||
|
|
||
|
package main
|
||
|
|
||
|
import (
|
||
|
"bufio"
|
||
|
"io"
|
||
|
"os/exec"
|
||
|
"strings"
|
||
|
|
||
|
"github.com/docker/docker/pkg/integration/checker"
|
||
|
"github.com/go-check/check"
|
||
|
)
|
||
|
|
||
|
type logMessage struct {
|
||
|
err error
|
||
|
data []byte
|
||
|
}
|
||
|
|
||
|
func (s *DockerSwarmSuite) TestServiceLogs(c *check.C) {
|
||
|
testRequires(c, ExperimentalDaemon)
|
||
|
|
||
|
d := s.AddDaemon(c, true, true)
|
||
|
|
||
|
name := "TestServiceLogs"
|
||
|
|
||
|
out, err := d.Cmd("service", "create", "--name", name, "busybox", "sh", "-c", "while true; do echo log test; sleep 1; done")
|
||
|
c.Assert(err, checker.IsNil)
|
||
|
c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
|
||
|
|
||
|
// make sure task has been deployed.
|
||
|
waitAndAssert(c, defaultReconciliationTimeout, d.checkActiveContainerCount, checker.Equals, 1)
|
||
|
|
||
|
args := []string{"service", "logs", "-f", name}
|
||
|
cmd := exec.Command(dockerBinary, d.prependHostArg(args)...)
|
||
|
r, w := io.Pipe()
|
||
|
cmd.Stdout = w
|
||
|
cmd.Stderr = w
|
||
|
c.Assert(cmd.Start(), checker.IsNil)
|
||
|
|
||
|
// Make sure pipe is written to
|
||
|
ch := make(chan *logMessage)
|
||
|
go func() {
|
||
|
reader := bufio.NewReader(r)
|
||
|
msg := &logMessage{}
|
||
|
msg.data, _, msg.err = reader.ReadLine()
|
||
|
ch <- msg
|
||
|
}()
|
||
|
|
||
|
msg := <-ch
|
||
|
c.Assert(msg.err, checker.IsNil)
|
||
|
c.Assert(string(msg.data), checker.Contains, "log test")
|
||
|
|
||
|
c.Assert(cmd.Process.Kill(), checker.IsNil)
|
||
|
}
|