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