465 lines
10 KiB
Go
465 lines
10 KiB
Go
package driver
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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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/config"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/testutil"
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ctestutils "github.com/hashicorp/nomad/client/testutil"
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)
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func TestRktVersionRegex(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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input_rkt := "rkt version 0.8.1"
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input_appc := "appc version 1.2.0"
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expected_rkt := "0.8.1"
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expected_appc := "1.2.0"
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rktMatches := reRktVersion.FindStringSubmatch(input_rkt)
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appcMatches := reAppcVersion.FindStringSubmatch(input_appc)
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if rktMatches[1] != expected_rkt {
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fmt.Printf("Test failed; got %q; want %q\n", rktMatches[1], expected_rkt)
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}
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if appcMatches[1] != expected_appc {
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fmt.Printf("Test failed; got %q; want %q\n", appcMatches[1], expected_appc)
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}
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}
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// The fingerprinter test should always pass, even if rkt is not installed.
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func TestRktDriver_Fingerprint(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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driverCtx, _ := testDriverContexts(&structs.Task{Name: "foo"})
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d := NewRktDriver(driverCtx)
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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apply, err := d.Fingerprint(&config.Config{}, 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.rkt"] != "1" {
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t.Fatalf("Missing Rkt driver")
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}
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if node.Attributes["driver.rkt.version"] == "" {
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t.Fatalf("Missing Rkt driver version")
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}
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if node.Attributes["driver.rkt.appc.version"] == "" {
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t.Fatalf("Missing appc version for the Rkt driver")
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}
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}
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func TestRktDriver_Start_DNS(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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// TODO: use test server to load from a fixture
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"trust_prefix": "coreos.com/etcd",
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"dns_servers": []string{"8.8.8.8", "8.8.4.4"},
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"dns_search_domains": []string{"example.com", "example.org", "example.net"},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(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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// Attempt to open
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handle2, err := d.Open(execCtx, 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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}
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func TestRktDriver_Start_Wait(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"trust_prefix": "coreos.com/etcd",
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"args": []string{"--version"},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(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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// 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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// Signal should be an error
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if err = handle.Signal(syscall.SIGTERM); err == nil {
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t.Fatalf("err: %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("err: %v", res)
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}
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case <-time.After(time.Duration(testutil.TestMultiplier()*15) * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRktDriver_Start_Wait_Skip_Trust(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"args": []string{"--version"},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(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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// 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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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(time.Duration(testutil.TestMultiplier()*15) * time.Second):
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t.Fatalf("timeout")
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}
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}
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func TestRktDriver_Start_Wait_AllocDir(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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exp := []byte{'w', 'i', 'n'}
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file := "output.txt"
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tmpvol, err := ioutil.TempDir("", "nomadtest_rktdriver_volumes")
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if err != nil {
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t.Fatalf("error creating temporary dir: %v", err)
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}
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defer os.RemoveAll(tmpvol)
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hostpath := filepath.Join(tmpvol, file)
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task := &structs.Task{
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Name: "alpine",
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Config: map[string]interface{}{
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"image": "docker://alpine",
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"command": "/bin/sh",
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"args": []string{
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"-c",
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fmt.Sprintf(`echo -n %s > foo/%s`, string(exp), file),
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},
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"volumes": []string{fmt.Sprintf("%s:/foo", tmpvol)},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(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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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(time.Duration(testutil.TestMultiplier()*15) * 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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act, err := ioutil.ReadFile(hostpath)
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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 output is %v; expected %v", act, exp)
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}
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}
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func TestRktDriverUser(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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User: "alice",
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Config: map[string]interface{}{
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"trust_prefix": "coreos.com/etcd",
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"args": []string{"--version"},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(execCtx, task)
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if err == nil {
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handle.Kill()
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t.Fatalf("Should've failed")
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}
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msg := "unknown user alice"
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if !strings.Contains(err.Error(), msg) {
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t.Fatalf("Expecting '%v' in '%v'", msg, err)
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}
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}
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func TestRktTrustPrefix(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"trust_prefix": "example.com/invalid",
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"args": []string{"--version"},
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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: &structs.Resources{
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MemoryMB: 128,
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CPU: 100,
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(execCtx, task)
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if err == nil {
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handle.Kill()
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t.Fatalf("Should've failed")
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}
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msg := "Error running rkt trust"
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if !strings.Contains(err.Error(), msg) {
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t.Fatalf("Expecting '%v' in '%v'", msg, err)
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}
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}
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func TestRktTaskValidate(t *testing.T) {
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"trust_prefix": "coreos.com/etcd",
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"image": "coreos.com/etcd:v2.0.4",
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"command": "/etcd",
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"args": []string{"--version"},
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"dns_servers": []string{"8.8.8.8", "8.8.4.4"},
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"dns_search_domains": []string{"example.com", "example.org", "example.net"},
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},
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Resources: basicResources,
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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if err := d.Validate(task.Config); err != nil {
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t.Fatalf("Validation error in TaskConfig : '%v'", err)
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}
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}
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// TODO: Port Mapping test should be ran with proper ACI image and test the port access.
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func TestRktDriver_PortsMapping(t *testing.T) {
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("skipping rkt tests")
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}
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Config: map[string]interface{}{
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"image": "docker://redis:latest",
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"args": []string{"--version"},
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"port_map": []map[string]string{
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map[string]string{
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"main": "6379-tcp",
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},
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},
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"debug": "true",
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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: &structs.Resources{
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MemoryMB: 256,
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CPU: 512,
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Networks: []*structs.NetworkResource{
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&structs.NetworkResource{
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IP: "127.0.0.1",
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ReservedPorts: []structs.Port{{"main", 8080}},
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},
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},
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},
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}
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driverCtx, execCtx := testDriverContexts(task)
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defer execCtx.AllocDir.Destroy()
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d := NewRktDriver(driverCtx)
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handle, err := d.Start(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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failCh := make(chan error, 1)
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go func() {
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time.Sleep(1 * time.Second)
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if err := handle.Kill(); err != nil {
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failCh <- err
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}
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}()
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select {
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case err := <-failCh:
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t.Fatalf("failed to kill handle: %v", err)
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case <-handle.WaitCh():
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case <-time.After(time.Duration(testutil.TestMultiplier()*15) * time.Second):
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t.Fatalf("timeout")
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}
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}
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