open-nomad/client/driver/raw_exec_unix_test.go

133 lines
2.9 KiB
Go

// +build !windows
package driver
import (
"io/ioutil"
"path/filepath"
"runtime"
"strings"
"syscall"
"testing"
"time"
"github.com/hashicorp/nomad/helper/testtask"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
)
func TestRawExecDriver_User(t *testing.T) {
t.Parallel()
if runtime.GOOS != "linux" {
t.Skip("Linux only test")
}
task := &structs.Task{
Name: "sleep",
Driver: "raw_exec",
User: "alice",
Config: map[string]interface{}{
"command": testtask.Path(),
"args": []string{"sleep", "45s"},
},
LogConfig: &structs.LogConfig{
MaxFiles: 10,
MaxFileSizeMB: 10,
},
Resources: basicResources,
}
testtask.SetTaskEnv(task)
ctx := testDriverContexts(t, task)
defer ctx.AllocDir.Destroy()
d := NewRawExecDriver(ctx.DriverCtx)
if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
t.Fatalf("prestart err: %v", err)
}
resp, err := d.Start(ctx.ExecCtx, task)
if err == nil {
resp.Handle.Kill()
t.Fatalf("Should've failed")
}
msg := "unknown user alice"
if !strings.Contains(err.Error(), msg) {
t.Fatalf("Expecting '%v' in '%v'", msg, err)
}
}
func TestRawExecDriver_Signal(t *testing.T) {
t.Parallel()
task := &structs.Task{
Name: "signal",
Driver: "raw_exec",
Config: map[string]interface{}{
"command": "/bin/bash",
"args": []string{"test.sh"},
},
LogConfig: &structs.LogConfig{
MaxFiles: 10,
MaxFileSizeMB: 10,
},
Resources: basicResources,
KillTimeout: 10 * time.Second,
}
ctx := testDriverContexts(t, task)
defer ctx.AllocDir.Destroy()
d := NewRawExecDriver(ctx.DriverCtx)
testFile := filepath.Join(ctx.ExecCtx.TaskDir.Dir, "test.sh")
testData := []byte(`
at_term() {
echo 'Terminated.'
exit 3
}
trap at_term USR1
while true; do
sleep 1
done
`)
if err := ioutil.WriteFile(testFile, testData, 0777); err != nil {
t.Fatalf("Failed to write data: %v", err)
}
if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
t.Fatalf("prestart err: %v", err)
}
resp, err := d.Start(ctx.ExecCtx, task)
if err != nil {
t.Fatalf("err: %v", err)
}
go func() {
time.Sleep(100 * time.Millisecond)
err := resp.Handle.Signal(syscall.SIGUSR1)
if err != nil {
t.Fatalf("err: %v", err)
}
}()
// Task should terminate quickly
select {
case res := <-resp.Handle.WaitCh():
if res.Successful() {
t.Fatal("should err")
}
case <-time.After(time.Duration(testutil.TestMultiplier()*6) * time.Second):
t.Fatalf("timeout")
}
// Check the log file to see it exited because of the signal
outputFile := filepath.Join(ctx.ExecCtx.TaskDir.LogDir, "signal.stdout.0")
act, err := ioutil.ReadFile(outputFile)
if err != nil {
t.Fatalf("Couldn't read expected output: %v", err)
}
exp := "Terminated."
if strings.TrimSpace(string(act)) != exp {
t.Logf("Read from %v", outputFile)
t.Fatalf("Command outputted %v; want %v", act, exp)
}
}