322 lines
6.8 KiB
Go
322 lines
6.8 KiB
Go
package driver
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import (
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"fmt"
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"io/ioutil"
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"path/filepath"
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"reflect"
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"runtime"
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"testing"
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"time"
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"github.com/hashicorp/nomad/client/config"
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"github.com/hashicorp/nomad/client/driver/environment"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func TestRawExecDriver_Fingerprint(t *testing.T) {
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d := NewRawExecDriver(testDriverContext(""))
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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// Disable raw exec.
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cfg := &config.Config{Options: map[string]string{rawExecConfigOption: "false"}}
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apply, err := d.Fingerprint(cfg, node)
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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 apply {
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t.Fatalf("should not apply")
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}
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if node.Attributes["driver.raw_exec"] != "" {
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t.Fatalf("driver incorrectly enabled")
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}
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// Enable raw exec.
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cfg.Options[rawExecConfigOption] = "true"
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apply, err = d.Fingerprint(cfg, node)
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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 !apply {
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t.Fatalf("should apply")
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}
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if node.Attributes["driver.raw_exec"] != "1" {
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t.Fatalf("driver not enabled")
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}
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}
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func TestRawExecDriver_StartOpen_Wait(t *testing.T) {
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"command": "/bin/sleep",
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"args": []string{"1"},
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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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// Attempt to open
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handle2, err := d.Open(ctx, handle.ID())
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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 handle2 == nil {
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t.Fatalf("missing handle")
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}
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// Task should terminate quickly
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select {
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case <-handle2.WaitCh():
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case <-time.After(2 * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRawExecDriver_Start_Artifact_basic(t *testing.T) {
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var file, checksum string
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switch runtime.GOOS {
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case "darwin":
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file = "hi_darwin_amd64"
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checksum = "md5:d7f2fdb13b36dcb7407721d78926b335"
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default:
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file = "hi_linux_amd64"
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checksum = "md5:a9b14903a8942748e4f8474e11f795d3"
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}
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"artifact_source": fmt.Sprintf("https://dl.dropboxusercontent.com/u/47675/jar_thing/%s", file),
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"command": filepath.Join("$NOMAD_TASK_DIR", file),
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"checksum": checksum,
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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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// Attempt to open
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handle2, err := d.Open(ctx, handle.ID())
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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 handle2 == nil {
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t.Fatalf("missing handle")
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}
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// Task should terminate quickly
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select {
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case <-handle2.WaitCh():
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case <-time.After(5 * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRawExecDriver_Start_Artifact_expanded(t *testing.T) {
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var file string
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switch runtime.GOOS {
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case "darwin":
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file = "hi_darwin_amd64"
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default:
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file = "hi_linux_amd64"
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}
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"artifact_source": fmt.Sprintf("https://dl.dropboxusercontent.com/u/47675/jar_thing/%s", file),
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"command": "/bin/bash",
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"args": []string{
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"-c",
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fmt.Sprintf(`'/bin/sleep 1 && %s'`, filepath.Join("$NOMAD_TASK_DIR", file)),
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},
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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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// Attempt to open
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handle2, err := d.Open(ctx, handle.ID())
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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 handle2 == nil {
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t.Fatalf("missing handle")
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}
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// Task should terminate quickly
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select {
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case <-handle2.WaitCh():
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case <-time.After(5 * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRawExecDriver_Start_Wait(t *testing.T) {
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"command": "/bin/sleep",
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"args": []string{"1"},
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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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// Update should be a no-op
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err = handle.Update(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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// 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.Fatalf("err: %v", res)
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}
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case <-time.After(2 * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRawExecDriver_Start_Wait_AllocDir(t *testing.T) {
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exp := []byte{'w', 'i', 'n'}
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file := "output.txt"
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"command": "/bin/bash",
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"args": []string{
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"-c",
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fmt.Sprintf(`sleep 1; echo -n %s > $%s/%s`, string(exp), environment.AllocDir, file),
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},
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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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// 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.Fatalf("err: %v", res)
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}
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case <-time.After(2 * time.Second):
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t.Fatalf("timeout")
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}
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// Check that data was written to the shared alloc directory.
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outputFile := filepath.Join(ctx.AllocDir.SharedDir, file)
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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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if !reflect.DeepEqual(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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func TestRawExecDriver_Start_Kill_Wait(t *testing.T) {
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task := &structs.Task{
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Name: "sleep",
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Config: map[string]interface{}{
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"command": "/bin/sleep",
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"args": []string{"1"},
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},
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Resources: basicResources,
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewRawExecDriver(driverCtx)
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handle, err := d.Start(ctx, 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.Kill()
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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(2 * time.Second):
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t.Fatalf("timeout")
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}
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}
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