open-nomad/client/driver/exec_test.go

160 lines
3.2 KiB
Go

package driver
import (
"testing"
"time"
"github.com/hashicorp/nomad/client/config"
"github.com/hashicorp/nomad/nomad/structs"
ctestutils "github.com/hashicorp/nomad/client/testutil"
)
func TestExecDriver_Fingerprint(t *testing.T) {
ctestutils.ExecCompatible(t)
d := NewExecDriver(testDriverContext(""))
node := &structs.Node{
Attributes: make(map[string]string),
}
apply, err := d.Fingerprint(&config.Config{}, node)
if err != nil {
t.Fatalf("err: %v", err)
}
if !apply {
t.Fatalf("should apply")
}
if node.Attributes["driver.exec"] == "" {
t.Fatalf("missing driver")
}
}
/*
TODO: This test is disabled til a follow-up api changes the restore state interface.
The driver/executor interface will be changed from Open to Cleanup, in which
clean-up tears down previous allocs.
func TestExecDriver_StartOpen_Wait(t *testing.T) {
ctestutils.ExecCompatible(t)
task := &structs.Task{
Name: "sleep",
Config: map[string]string{
"command": "/bin/sleep",
"args": "5",
},
Resources: basicResources,
}
driverCtx := testDriverContext(task.Name)
ctx := testDriverExecContext(task, driverCtx)
defer ctx.AllocDir.Destroy()
d := NewExecDriver(driverCtx)
if task.Resources == nil {
task.Resources = &structs.Resources{}
}
task.Resources.CPU = 0.5
task.Resources.MemoryMB = 2
handle, err := d.Start(ctx, task)
if err != nil {
t.Fatalf("err: %v", err)
}
if handle == nil {
t.Fatalf("missing handle")
}
// Attempt to open
handle2, err := d.Open(ctx, handle.ID())
if err != nil {
t.Fatalf("err: %v", err)
}
if handle2 == nil {
t.Fatalf("missing handle")
}
}
*/
func TestExecDriver_Start_Wait(t *testing.T) {
ctestutils.ExecCompatible(t)
task := &structs.Task{
Name: "sleep",
Config: map[string]string{
"command": "/bin/sleep",
"args": "1",
},
Resources: basicResources,
}
driverCtx := testDriverContext(task.Name)
ctx := testDriverExecContext(task, driverCtx)
defer ctx.AllocDir.Destroy()
d := NewExecDriver(driverCtx)
handle, err := d.Start(ctx, task)
if err != nil {
t.Fatalf("err: %v", err)
}
if handle == nil {
t.Fatalf("missing handle")
}
// Update should be a no-op
err = handle.Update(task)
if err != nil {
t.Fatalf("err: %v", err)
}
// Task should terminate quickly
select {
case err := <-handle.WaitCh():
if err != nil {
t.Fatalf("err: %v", err)
}
case <-time.After(2 * time.Second):
t.Fatalf("timeout")
}
}
func TestExecDriver_Start_Kill_Wait(t *testing.T) {
ctestutils.ExecCompatible(t)
task := &structs.Task{
Name: "sleep",
Config: map[string]string{
"command": "/bin/sleep",
"args": "1",
},
Resources: basicResources,
}
driverCtx := testDriverContext(task.Name)
ctx := testDriverExecContext(task, driverCtx)
defer ctx.AllocDir.Destroy()
d := NewExecDriver(driverCtx)
handle, err := d.Start(ctx, task)
if err != nil {
t.Fatalf("err: %v", err)
}
if handle == nil {
t.Fatalf("missing handle")
}
go func() {
time.Sleep(100 * time.Millisecond)
err := handle.Kill()
if err != nil {
t.Fatalf("err: %v", err)
}
}()
// Task should terminate quickly
select {
case err := <-handle.WaitCh():
if err == nil {
t.Fatal("should err")
}
case <-time.After(2 * time.Second):
t.Fatalf("timeout")
}
}