691 lines
16 KiB
Go
691 lines
16 KiB
Go
// +build linux
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package driver
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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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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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/assert"
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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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t.Parallel()
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if os.Getenv("NOMAD_TEST_RKT") == "" {
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t.Skip("NOMAD_TEST_RKT unset, skipping")
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}
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inputRkt := "rkt version 0.8.1"
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inputAppc := "appc version 1.2.0"
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expectedRkt := "0.8.1"
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expectedAppc := "1.2.0"
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rktMatches := reRktVersion.FindStringSubmatch(inputRkt)
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appcMatches := reAppcVersion.FindStringSubmatch(inputAppc)
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if rktMatches[1] != expectedRkt {
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fmt.Printf("Test failed; got %q; want %q\n", rktMatches[1], expectedRkt)
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}
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if appcMatches[1] != expectedAppc {
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fmt.Printf("Test failed; got %q; want %q\n", appcMatches[1], expectedAppc)
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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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t.Parallel()
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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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ctx := testDriverContexts(t, &structs.Task{Name: "foo", Driver: "rkt"})
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d := NewRktDriver(ctx.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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request := &cstructs.FingerprintRequest{Config: &config.Config{}, Node: node}
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var response cstructs.FingerprintResponse
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err := d.Fingerprint(request, &response)
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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 !response.Detected {
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t.Fatalf("expected response to be applicable")
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}
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attributes := response.Attributes
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if attributes == nil {
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t.Fatalf("expected attributes to not equal nil")
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}
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if attributes["driver.rkt"] != "1" {
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t.Fatalf("Missing Rkt driver")
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}
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if attributes["driver.rkt.version"] == "" {
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t.Fatalf("Missing Rkt driver version")
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}
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if 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 !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, 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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defer resp.Handle.Kill()
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// Attempt to open
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handle2, err := d.Open(ctx.ExecCtx, resp.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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handle2.Kill()
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}
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func TestRktDriver_Start_Wait(t *testing.T) {
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if !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, 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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handle := resp.Handle.(*rktHandle)
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defer handle.Kill()
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// Update should be a no-op
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if err := handle.Update(task); 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 := resp.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 := <-resp.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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// Make sure pod was removed #3561
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var stderr bytes.Buffer
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cmd := exec.Command(rktCmd, "status", handle.uuid)
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cmd.Stdout = ioutil.Discard
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cmd.Stderr = &stderr
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if err := cmd.Run(); err == nil {
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t.Fatalf("expected error running 'rkt status %s' on removed container", handle.uuid)
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}
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if out := stderr.String(); !strings.Contains(out, "no matches found") {
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t.Fatalf("expected 'no matches found' but received: %s", out)
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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 !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, 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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defer resp.Handle.Kill()
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// Update should be a no-op
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err = resp.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 := <-resp.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 !testutil.IsTravis() {
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t.Parallel()
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}
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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: "rkttest_alpine",
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Driver: "rkt",
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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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"net": []string{"none"},
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, 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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defer resp.Handle.Kill()
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select {
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case res := <-resp.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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assert := assert.New(t)
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if !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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_, err := d.Prestart(ctx.ExecCtx, task)
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assert.Nil(err)
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resp, err := d.Start(ctx.ExecCtx, task)
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assert.Nil(err)
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defer resp.Handle.Kill()
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select {
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case res := <-resp.Handle.WaitCh():
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assert.False(res.Successful())
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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 TestRktTrustPrefix(t *testing.T) {
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if !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, err := d.Start(ctx.ExecCtx, task)
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if err == nil {
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resp.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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t.Parallel()
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ctestutils.RktCompatible(t)
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task := &structs.Task{
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Name: "etcd",
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Driver: "rkt",
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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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ctx := testDriverContexts(t, task)
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defer ctx.AllocDir.Destroy()
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d := NewRktDriver(ctx.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 !testutil.IsTravis() {
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t.Parallel()
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}
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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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Driver: "rkt",
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Config: map[string]interface{}{
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"image": "docker://redis:latest",
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"port_map": []map[string]string{
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{
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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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{
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IP: "127.0.0.1",
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ReservedPorts: []structs.Port{{Label: "main", Value: 8080}},
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},
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},
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},
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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 := NewRktDriver(ctx.DriverCtx)
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if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
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t.Fatalf("error in prestart: %v", err)
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}
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resp, 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 resp.Network == nil {
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t.Fatalf("Expected driver to set a DriverNetwork, but it did not!")
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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 := resp.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:
|
|
t.Fatalf("failed to kill handle: %v", err)
|
|
case <-resp.Handle.WaitCh():
|
|
case <-time.After(time.Duration(testutil.TestMultiplier()*15) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
// TestRktDriver_PortsMapping_Host asserts that port_map isn't required when
|
|
// host networking is used.
|
|
func TestRktDriver_PortsMapping_Host(t *testing.T) {
|
|
if !testutil.IsTravis() {
|
|
t.Parallel()
|
|
}
|
|
if os.Getenv("NOMAD_TEST_RKT") == "" {
|
|
t.Skip("skipping rkt tests")
|
|
}
|
|
|
|
ctestutils.RktCompatible(t)
|
|
task := &structs.Task{
|
|
Name: "etcd",
|
|
Driver: "rkt",
|
|
Config: map[string]interface{}{
|
|
"image": "docker://redis:latest",
|
|
"net": []string{"host"},
|
|
},
|
|
LogConfig: &structs.LogConfig{
|
|
MaxFiles: 10,
|
|
MaxFileSizeMB: 10,
|
|
},
|
|
Resources: &structs.Resources{
|
|
MemoryMB: 256,
|
|
CPU: 512,
|
|
Networks: []*structs.NetworkResource{
|
|
{
|
|
IP: "127.0.0.1",
|
|
ReservedPorts: []structs.Port{{Label: "main", Value: 8080}},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
ctx := testDriverContexts(t, task)
|
|
defer ctx.AllocDir.Destroy()
|
|
d := NewRktDriver(ctx.DriverCtx)
|
|
|
|
if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
|
|
t.Fatalf("error in prestart: %v", err)
|
|
}
|
|
resp, err := d.Start(ctx.ExecCtx, task)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if resp.Network != nil {
|
|
t.Fatalf("No network should be returned with --net=host but found: %#v", resp.Network)
|
|
}
|
|
|
|
failCh := make(chan error, 1)
|
|
go func() {
|
|
time.Sleep(1 * time.Second)
|
|
if err := resp.Handle.Kill(); err != nil {
|
|
failCh <- err
|
|
}
|
|
}()
|
|
|
|
select {
|
|
case err := <-failCh:
|
|
t.Fatalf("failed to kill handle: %v", err)
|
|
case <-resp.Handle.WaitCh():
|
|
case <-time.After(time.Duration(testutil.TestMultiplier()*15) * time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestRktDriver_HandlerExec(t *testing.T) {
|
|
if !testutil.IsTravis() {
|
|
t.Parallel()
|
|
}
|
|
if os.Getenv("NOMAD_TEST_RKT") == "" {
|
|
t.Skip("skipping rkt tests")
|
|
}
|
|
|
|
ctestutils.RktCompatible(t)
|
|
task := &structs.Task{
|
|
Name: "etcd",
|
|
Driver: "rkt",
|
|
Config: map[string]interface{}{
|
|
"trust_prefix": "coreos.com/etcd",
|
|
"image": "coreos.com/etcd:v2.0.4",
|
|
"command": "/etcd",
|
|
},
|
|
LogConfig: &structs.LogConfig{
|
|
MaxFiles: 10,
|
|
MaxFileSizeMB: 10,
|
|
},
|
|
Resources: &structs.Resources{
|
|
MemoryMB: 128,
|
|
CPU: 100,
|
|
},
|
|
}
|
|
|
|
ctx := testDriverContexts(t, task)
|
|
defer ctx.AllocDir.Destroy()
|
|
d := NewRktDriver(ctx.DriverCtx)
|
|
|
|
if _, err := d.Prestart(ctx.ExecCtx, task); err != nil {
|
|
t.Fatalf("error in prestart: %v", err)
|
|
}
|
|
resp, err := d.Start(ctx.ExecCtx, task)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Give the pod a second to start
|
|
time.Sleep(time.Second)
|
|
|
|
// Exec a command that should work
|
|
out, code, err := resp.Handle.Exec(context.TODO(), "/etcd", []string{"--version"})
|
|
if err != nil {
|
|
t.Fatalf("error exec'ing etcd --version: %v", err)
|
|
}
|
|
if code != 0 {
|
|
t.Fatalf("expected `etcd --version` to succeed but exit code was: %d\n%s", code, string(out))
|
|
}
|
|
if expected := []byte("etcd version "); !bytes.HasPrefix(out, expected) {
|
|
t.Fatalf("expected output to start with %q but found:\n%q", expected, out)
|
|
}
|
|
|
|
// Exec a command that should fail
|
|
out, code, err = resp.Handle.Exec(context.TODO(), "/etcd", []string{"--kaljdshf"})
|
|
if err != nil {
|
|
t.Fatalf("error exec'ing bad command: %v", err)
|
|
}
|
|
if code == 0 {
|
|
t.Fatalf("expected `stat` to fail but exit code was: %d", code)
|
|
}
|
|
if expected := "flag provided but not defined"; !bytes.Contains(out, []byte(expected)) {
|
|
t.Fatalf("expected output to contain %q but found: %q", expected, out)
|
|
}
|
|
|
|
if err := resp.Handle.Kill(); err != nil {
|
|
t.Fatalf("error killing handle: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestRktDriver_Remove_Error(t *testing.T) {
|
|
if !testutil.IsTravis() {
|
|
t.Parallel()
|
|
}
|
|
if os.Getenv("NOMAD_TEST_RKT") == "" {
|
|
t.Skip("skipping rkt tests")
|
|
}
|
|
|
|
ctestutils.RktCompatible(t)
|
|
|
|
// Removing a non-existent pod should return an error
|
|
if err := rktRemove("00000000-0000-0000-0000-000000000000"); err == nil {
|
|
t.Fatalf("expected an error")
|
|
}
|
|
|
|
if err := rktRemove("zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"); err == nil {
|
|
t.Fatalf("expected an error")
|
|
}
|
|
}
|