open-nomad/drivers/rawexec/driver_unix_test.go

130 lines
3.0 KiB
Go

// +build !windows
package rawexec
import (
"context"
"runtime"
"testing"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"time"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/helper/testtask"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/plugins/drivers"
"github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/require"
)
func TestRawExecDriver_User(t *testing.T) {
t.Parallel()
if runtime.GOOS != "linux" {
t.Skip("Linux only test")
}
require := require.New(t)
d := NewRawExecDriver(testlog.HCLogger(t))
harness := drivers.NewDriverHarness(t, d)
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "sleep",
User: "alice",
}
cleanup := harness.MkAllocDir(task, false)
defer cleanup()
taskConfig := map[string]interface{}{}
taskConfig["command"] = testtask.Path()
taskConfig["args"] = []string{"sleep", "45s"}
encodeDriverHelper(require, task, taskConfig)
testtask.SetTaskConfigEnv(task)
_, _, err := harness.StartTask(task)
require.Error(err)
msg := "unknown user alice"
require.Contains(err.Error(), msg)
}
func TestRawExecDriver_Signal(t *testing.T) {
t.Parallel()
if runtime.GOOS != "linux" {
t.Skip("Linux only test")
}
require := require.New(t)
d := NewRawExecDriver(testlog.HCLogger(t))
harness := drivers.NewDriverHarness(t, d)
task := &drivers.TaskConfig{
ID: uuid.Generate(),
Name: "signal",
}
cleanup := harness.MkAllocDir(task, true)
defer cleanup()
taskConfig := map[string]interface{}{}
taskConfig["command"] = "/bin/bash"
taskConfig["args"] = []string{"test.sh"}
encodeDriverHelper(require, task, taskConfig)
testtask.SetTaskConfigEnv(task)
testFile := filepath.Join(task.TaskDir().Dir, "test.sh")
testData := []byte(`
at_term() {
echo 'Terminated.'
exit 3
}
trap at_term USR1
while true; do
sleep 1
done
`)
require.NoError(ioutil.WriteFile(testFile, testData, 0777))
testtask.SetTaskConfigEnv(task)
_, _, err := harness.StartTask(task)
require.NoError(err)
go func() {
time.Sleep(100 * time.Millisecond)
require.NoError(harness.SignalTask(task.ID, "SIGUSR1"))
}()
// Task should terminate quickly
waitCh, err := harness.WaitTask(context.Background(), task.ID)
require.NoError(err)
select {
case res := <-waitCh:
require.False(res.Successful())
require.Equal(3, res.ExitCode)
case <-time.After(time.Duration(testutil.TestMultiplier()*6) * time.Second):
require.Fail("WaitTask timeout")
}
// Check the log file to see it exited because of the signal
outputFile := filepath.Join(task.TaskDir().LogDir, "signal.stdout.0")
exp := "Terminated."
testutil.WaitForResult(func() (bool, error) {
act, err := ioutil.ReadFile(outputFile)
if err != nil {
return false, fmt.Errorf("Couldn't read expected output: %v", err)
}
if strings.TrimSpace(string(act)) != exp {
t.Logf("Read from %v", outputFile)
return false, fmt.Errorf("Command outputted %v; want %v", act, exp)
}
return true, nil
}, func(err error) { require.NoError(err) })
}