diff options
Diffstat (limited to 'runsc/test/integration/exec_test.go')
| -rw-r--r-- | runsc/test/integration/exec_test.go | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/runsc/test/integration/exec_test.go b/runsc/test/integration/exec_test.go deleted file mode 100644 index 993136f96..000000000 --- a/runsc/test/integration/exec_test.go +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package image provides end-to-end integration tests for runsc. These tests require -// docker and runsc to be installed on the machine. To set it up, run: -// -// ./runsc/test/install.sh [--runtime <name>] -// -// The tests expect the runtime name to be provided in the RUNSC_RUNTIME -// environment variable (default: runsc-test). -// -// Each test calls docker commands to start up a container, and tests that it is -// behaving properly, with various runsc commands. The container is killed and deleted -// at the end. - -package integration - -import ( - "fmt" - "strconv" - "strings" - "syscall" - "testing" - "time" - - "gvisor.dev/gvisor/pkg/abi/linux" - "gvisor.dev/gvisor/runsc/test/testutil" -) - -func TestExecCapabilities(t *testing.T) { - if err := testutil.Pull("alpine"); err != nil { - t.Fatalf("docker pull failed: %v", err) - } - d := testutil.MakeDocker("exec-test") - - // Start the container. - if err := d.Run("alpine", "sh", "-c", "cat /proc/self/status; sleep 100"); err != nil { - t.Fatalf("docker run failed: %v", err) - } - defer d.CleanUp() - - matches, err := d.WaitForOutputSubmatch("CapEff:\t([0-9a-f]+)\n", 5*time.Second) - if err != nil { - t.Fatalf("WaitForOutputSubmatch() timeout: %v", err) - } - if len(matches) != 2 { - t.Fatalf("There should be a match for the whole line and the capability bitmask") - } - capString := matches[1] - t.Log("Root capabilities:", capString) - - // CAP_NET_RAW was in the capability set for the container, but was - // removed. However, `exec` does not remove it. Verify that it's not - // set in the container, then re-add it for comparison. - caps, err := strconv.ParseUint(capString, 16, 64) - if err != nil { - t.Fatalf("failed to convert capabilities %q: %v", capString, err) - } - if caps&(1<<uint64(linux.CAP_NET_RAW)) != 0 { - t.Fatalf("CAP_NET_RAW should be filtered, but is set in the container: %x", caps) - } - caps |= 1 << uint64(linux.CAP_NET_RAW) - want := fmt.Sprintf("CapEff:\t%016x\n", caps) - - // Now check that exec'd process capabilities match the root. - got, err := d.Exec("grep", "CapEff:", "/proc/self/status") - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - if got != want { - t.Errorf("wrong capabilities, got: %q, want: %q", got, want) - } -} - -func TestExecJobControl(t *testing.T) { - if err := testutil.Pull("alpine"); err != nil { - t.Fatalf("docker pull failed: %v", err) - } - d := testutil.MakeDocker("exec-job-control-test") - - // Start the container. - if err := d.Run("alpine", "sleep", "1000"); err != nil { - t.Fatalf("docker run failed: %v", err) - } - defer d.CleanUp() - - // Exec 'sh' with an attached pty. - cmd, ptmx, err := d.ExecWithTerminal("sh") - if err != nil { - t.Fatalf("docker exec failed: %v", err) - } - defer ptmx.Close() - - // Call "sleep 100 | cat" in the shell. We pipe to cat so that there - // will be two processes in the foreground process group. - if _, err := ptmx.Write([]byte("sleep 100 | cat\n")); err != nil { - t.Fatalf("error writing to pty: %v", err) - } - - // Give shell a few seconds to start executing the sleep. - time.Sleep(2 * time.Second) - - // Send a ^C to the pty, which should kill sleep and cat, but not the - // shell. \x03 is ASCII "end of text", which is the same as ^C. - if _, err := ptmx.Write([]byte{'\x03'}); err != nil { - t.Fatalf("error writing to pty: %v", err) - } - - // The shell should still be alive at this point. Sleep should have - // exited with code 2+128=130. We'll exit with 10 plus that number, so - // that we can be sure that the shell did not get signalled. - if _, err := ptmx.Write([]byte("exit $(expr $? + 10)\n")); err != nil { - t.Fatalf("error writing to pty: %v", err) - } - - // Exec process should exit with code 10+130=140. - ps, err := cmd.Process.Wait() - if err != nil { - t.Fatalf("error waiting for exec process: %v", err) - } - ws := ps.Sys().(syscall.WaitStatus) - if !ws.Exited() { - t.Errorf("ws.Exited got false, want true") - } - if got, want := ws.ExitStatus(), 140; got != want { - t.Errorf("ws.ExitedStatus got %d, want %d", got, want) - } -} - -// Test that failure to exec returns proper error message. -func TestExecError(t *testing.T) { - if err := testutil.Pull("alpine"); err != nil { - t.Fatalf("docker pull failed: %v", err) - } - d := testutil.MakeDocker("exec-error-test") - - // Start the container. - if err := d.Run("alpine", "sleep", "1000"); err != nil { - t.Fatalf("docker run failed: %v", err) - } - defer d.CleanUp() - - _, err := d.Exec("no_can_find") - if err == nil { - t.Fatalf("docker exec didn't fail") - } - if want := `error finding executable "no_can_find" in PATH`; !strings.Contains(err.Error(), want) { - t.Fatalf("docker exec wrong error, got: %s, want: .*%s.*", err.Error(), want) - } -} |