package main import ( "strings" "github.com/docker/docker/pkg/integration/checker" icmd "github.com/docker/docker/pkg/integration/cmd" "github.com/go-check/check" ) func (s *DockerSuite) TestTopMultipleArgs(c *check.C) { out, _ := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) var expected icmd.Expected switch daemonPlatform { case "windows": expected = icmd.Expected{ExitCode: 1, Err: "Windows does not support arguments to top"} default: expected = icmd.Expected{Out: "PID"} } result := dockerCmdWithResult("top", cleanedContainerID, "-o", "pid") c.Assert(result, icmd.Matches, expected) } func (s *DockerSuite) TestTopNonPrivileged(c *check.C) { out, _ := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) out1, _ := dockerCmd(c, "top", cleanedContainerID) out2, _ := dockerCmd(c, "top", cleanedContainerID) dockerCmd(c, "kill", cleanedContainerID) // Windows will list the name of the launched executable which in this case is busybox.exe, without the parameters. // Linux will display the command executed in the container var lookingFor string if daemonPlatform == "windows" { lookingFor = "busybox.exe" } else { lookingFor = "top" } c.Assert(out1, checker.Contains, lookingFor, check.Commentf("top should've listed `%s` in the process list, but failed the first time", lookingFor)) c.Assert(out2, checker.Contains, lookingFor, check.Commentf("top should've listed `%s` in the process list, but failed the second time", lookingFor)) } // TestTopWindowsCoreProcesses validates that there are lines for the critical // processes which are found in a Windows container. Note Windows is architecturally // very different to Linux in this regard. func (s *DockerSuite) TestTopWindowsCoreProcesses(c *check.C) { testRequires(c, DaemonIsWindows) out, _ := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) out1, _ := dockerCmd(c, "top", cleanedContainerID) lookingFor := []string{"smss.exe", "csrss.exe", "wininit.exe", "services.exe", "lsass.exe", "CExecSvc.exe"} for i, s := range lookingFor { c.Assert(out1, checker.Contains, s, check.Commentf("top should've listed `%s` in the process list, but failed. Test case %d", s, i)) } } func (s *DockerSuite) TestTopPrivileged(c *check.C) { // Windows does not support --privileged testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "--privileged", "-i", "-d", "busybox", "top") cleanedContainerID := strings.TrimSpace(out) out1, _ := dockerCmd(c, "top", cleanedContainerID) out2, _ := dockerCmd(c, "top", cleanedContainerID) dockerCmd(c, "kill", cleanedContainerID) c.Assert(out1, checker.Contains, "top", check.Commentf("top should've listed `top` in the process list, but failed the first time")) c.Assert(out2, checker.Contains, "top", check.Commentf("top should've listed `top` in the process list, but failed the second time")) }