106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
// +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/client/testutil"
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"github.com/hashicorp/nomad/nomad/structs"
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tu "github.com/hashicorp/nomad/testutil"
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)
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func TestDockerDriver_Signal(t *testing.T) {
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if !testutil.DockerIsConnected(t) {
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t.SkipNow()
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}
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task := &structs.Task{
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Name: "redis-demo",
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Driver: "docker",
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Config: map[string]interface{}{
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"image": "busybox",
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"load": "busybox.tar",
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"command": "/bin/sh",
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"args": []string{"local/test.sh"},
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},
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Resources: &structs.Resources{
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MemoryMB: 256,
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CPU: 512,
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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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}
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ctx := testDockerDriverContexts(t, task)
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//ctx.DriverCtx.config.Options = map[string]string{"docker.cleanup.image": "false"}
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defer ctx.AllocDir.Destroy()
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d := NewDockerDriver(ctx.DriverCtx)
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// Copy the image into the task's directory
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copyImage(t, ctx.ExecCtx.TaskDir, "busybox.tar")
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testFile := filepath.Join(ctx.ExecCtx.TaskDir.LocalDir, "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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_, err := d.Prestart(ctx.ExecCtx, task)
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if err != nil {
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t.Fatalf("error in prestart: %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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defer handle.Kill()
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waitForExist(t, handle.(*DockerHandle).client, handle.(*DockerHandle))
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time.Sleep(1 * time.Second)
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if err := handle.Signal(syscall.SIGUSR1); err != nil {
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t.Fatalf("Signal returned an error: %v", err)
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}
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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.Fatalf("should err: %v", res)
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}
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case <-time.After(time.Duration(tu.TestMultiplier()*5) * 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, "redis-demo.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.Fatalf("Command outputted %v; want %v", act, exp)
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}
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}
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