527 lines
15 KiB
Go
527 lines
15 KiB
Go
package command
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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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"regexp"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/nomad/command/agent"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/mock"
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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/mitchellh/cli"
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"github.com/posener/complete"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestAllocStatusCommand_Implements(t *testing.T) {
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t.Parallel()
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var _ cli.Command = &AllocStatusCommand{}
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}
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func TestAllocStatusCommand_Fails(t *testing.T) {
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t.Parallel()
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srv, _, url := testServer(t, false, nil)
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defer srv.Shutdown()
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
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t.Fatalf("expected help output, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fails on connection failure
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if code := cmd.Run([]string{"-address=nope", "foobar"}); code != 1 {
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t.Fatalf("expected exit code 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying allocation") {
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t.Fatalf("expected failed query error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fails on missing alloc
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if code := cmd.Run([]string{"-address=" + url, "26470238-5CF2-438F-8772-DC67CFB0705C"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "No allocation(s) with prefix or id") {
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t.Fatalf("expected not found error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Fail on identifier with too few characters
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if code := cmd.Run([]string{"-address=" + url, "2"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
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t.Fatalf("expected too few characters error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Identifiers with uneven length should produce a query result
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if code := cmd.Run([]string{"-address=" + url, "123"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "No allocation(s) with prefix or id") {
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t.Fatalf("expected not found error, got: %s", out)
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}
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ui.ErrorWriter.Reset()
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// Failed on both -json and -t options are specified
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if code := cmd.Run([]string{"-address=" + url, "-json", "-t", "{{.ID}}"}); code != 1 {
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t.Fatalf("expected exit 1, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Both json and template formatting are not allowed") {
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t.Fatalf("expected getting formatter error, got: %s", out)
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}
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}
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func TestAllocStatusCommand_LifecycleInfo(t *testing.T) {
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t.Parallel()
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srv, client, url := testServer(t, true, nil)
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defer srv.Shutdown()
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// Wait for a node to be ready
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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for _, node := range nodes {
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if node.Status == structs.NodeStatusReady {
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return true, nil
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}
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}
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return false, fmt.Errorf("no ready nodes")
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}, func(err error) {
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require.NoError(t, err)
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})
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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state := srv.Agent.Server().State()
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a := mock.Alloc()
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a.Metrics = &structs.AllocMetric{}
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tg := a.Job.LookupTaskGroup(a.TaskGroup)
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initTask := tg.Tasks[0].Copy()
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initTask.Name = "init_task"
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initTask.Lifecycle = &structs.TaskLifecycleConfig{
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Hook: "prestart",
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}
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prestartSidecarTask := tg.Tasks[0].Copy()
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prestartSidecarTask.Name = "prestart_sidecar"
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prestartSidecarTask.Lifecycle = &structs.TaskLifecycleConfig{
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Hook: "prestart",
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Sidecar: true,
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}
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tg.Tasks = append(tg.Tasks, initTask, prestartSidecarTask)
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a.TaskResources["init_task"] = a.TaskResources["web"]
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a.TaskResources["prestart_sidecar"] = a.TaskResources["web"]
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a.TaskStates = map[string]*structs.TaskState{
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"web": &structs.TaskState{State: "pending"},
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"init_task": &structs.TaskState{State: "running"},
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"prestart_sidecar": &structs.TaskState{State: "running"},
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}
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require.Nil(t, state.UpsertAllocs(1000, []*structs.Allocation{a}))
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if code := cmd.Run([]string{"-address=" + url, a.ID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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require.Contains(t, out, `Task "init_task" (prestart) is "running"`)
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require.Contains(t, out, `Task "prestart_sidecar" (prestart sidecar) is "running"`)
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require.Contains(t, out, `Task "web" is "pending"`)
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}
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func TestAllocStatusCommand_Run(t *testing.T) {
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t.Parallel()
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srv, client, url := testServer(t, true, nil)
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defer srv.Shutdown()
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// Wait for a node to be ready
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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for _, node := range nodes {
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if _, ok := node.Drivers["mock_driver"]; ok &&
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node.Status == structs.NodeStatusReady {
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return true, nil
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}
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}
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return false, fmt.Errorf("no ready nodes")
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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jobID := "job1_sfx"
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job1 := testJob(jobID)
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resp, _, err := client.Jobs().Register(job1, nil)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if code := waitForSuccess(ui, client, fullId, t, resp.EvalID); code != 0 {
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t.Fatalf("status code non zero saw %d", code)
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}
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// get an alloc id
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allocId1 := ""
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nodeName := ""
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if allocs, _, err := client.Jobs().Allocations(jobID, false, nil); err == nil {
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if len(allocs) > 0 {
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allocId1 = allocs[0].ID
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nodeName = allocs[0].NodeName
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}
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}
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if allocId1 == "" {
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t.Fatal("unable to find an allocation")
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}
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if code := cmd.Run([]string{"-address=" + url, allocId1}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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if !strings.Contains(out, "Created") {
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t.Fatalf("expected to have 'Created' but saw: %s", out)
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}
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if !strings.Contains(out, "Modified") {
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t.Fatalf("expected to have 'Modified' but saw: %s", out)
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}
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nodeNameRegexpStr := fmt.Sprintf(`\nNode Name\s+= %s\n`, regexp.QuoteMeta(nodeName))
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require.Regexp(t, regexp.MustCompile(nodeNameRegexpStr), out)
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ui.OutputWriter.Reset()
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if code := cmd.Run([]string{"-address=" + url, "-verbose", allocId1}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, allocId1) {
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t.Fatal("expected to find alloc id in output")
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}
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if !strings.Contains(out, "Created") {
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t.Fatalf("expected to have 'Created' but saw: %s", out)
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}
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ui.OutputWriter.Reset()
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// Try the query with an even prefix that includes the hyphen
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if code := cmd.Run([]string{"-address=" + url, allocId1[:13]}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, "Created") {
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t.Fatalf("expected to have 'Created' but saw: %s", out)
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}
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ui.OutputWriter.Reset()
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if code := cmd.Run([]string{"-address=" + url, "-verbose", allocId1}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out = ui.OutputWriter.String()
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if !strings.Contains(out, allocId1) {
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t.Fatal("expected to find alloc id in output")
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}
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ui.OutputWriter.Reset()
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}
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func TestAllocStatusCommand_RescheduleInfo(t *testing.T) {
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t.Parallel()
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srv, client, url := testServer(t, true, nil)
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defer srv.Shutdown()
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// Wait for a node to be ready
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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for _, node := range nodes {
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if node.Status == structs.NodeStatusReady {
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return true, nil
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}
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}
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return false, fmt.Errorf("no ready nodes")
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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// Test reschedule attempt info
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require := require.New(t)
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state := srv.Agent.Server().State()
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a := mock.Alloc()
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a.Metrics = &structs.AllocMetric{}
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nextAllocId := uuid.Generate()
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a.NextAllocation = nextAllocId
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a.RescheduleTracker = &structs.RescheduleTracker{
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Events: []*structs.RescheduleEvent{
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{
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RescheduleTime: time.Now().Add(-2 * time.Minute).UTC().UnixNano(),
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PrevAllocID: uuid.Generate(),
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PrevNodeID: uuid.Generate(),
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},
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},
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}
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require.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
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if code := cmd.Run([]string{"-address=" + url, a.ID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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require.Contains(out, "Replacement Alloc ID")
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require.Regexp(regexp.MustCompile(".*Reschedule Attempts\\s*=\\s*1/2"), out)
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}
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func TestAllocStatusCommand_ScoreMetrics(t *testing.T) {
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t.Parallel()
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srv, client, url := testServer(t, true, nil)
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defer srv.Shutdown()
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// Wait for a node to be ready
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testutil.WaitForResult(func() (bool, error) {
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nodes, _, err := client.Nodes().List(nil)
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if err != nil {
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return false, err
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}
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for _, node := range nodes {
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if node.Status == structs.NodeStatusReady {
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return true, nil
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}
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}
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return false, fmt.Errorf("no ready nodes")
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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// Test node metrics
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require := require.New(t)
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state := srv.Agent.Server().State()
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a := mock.Alloc()
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mockNode1 := mock.Node()
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mockNode2 := mock.Node()
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a.Metrics = &structs.AllocMetric{
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ScoreMetaData: []*structs.NodeScoreMeta{
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{
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NodeID: mockNode1.ID,
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Scores: map[string]float64{
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"binpack": 0.77,
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"node-affinity": 0.5,
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},
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},
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{
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NodeID: mockNode2.ID,
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Scores: map[string]float64{
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"binpack": 0.75,
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"node-affinity": 0.33,
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},
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},
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},
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}
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require.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
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if code := cmd.Run([]string{"-address=" + url, "-verbose", a.ID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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require.Contains(out, "Placement Metrics")
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require.Contains(out, mockNode1.ID)
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require.Contains(out, mockNode2.ID)
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// assert we sort headers alphabetically
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require.Contains(out, "binpack node-affinity")
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require.Contains(out, "final score")
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}
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func TestAllocStatusCommand_AutocompleteArgs(t *testing.T) {
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assert := assert.New(t)
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t.Parallel()
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srv, _, url := testServer(t, true, nil)
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defer srv.Shutdown()
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui, flagAddress: url}}
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// Create a fake alloc
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state := srv.Agent.Server().State()
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a := mock.Alloc()
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assert.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
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prefix := a.ID[:5]
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args := complete.Args{Last: prefix}
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predictor := cmd.AutocompleteArgs()
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res := predictor.Predict(args)
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assert.Equal(1, len(res))
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assert.Equal(a.ID, res[0])
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}
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func TestAllocStatusCommand_HostVolumes(t *testing.T) {
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t.Parallel()
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// We have to create a tempdir for the host volume even though we're
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// not going to use it b/c the server validates the config on startup
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tmpDir, err := ioutil.TempDir("", "vol0")
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if err != nil {
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t.Fatalf("unable to create tempdir for test: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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vol0 := uuid.Generate()
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srv, _, url := testServer(t, true, func(c *agent.Config) {
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c.Client.HostVolumes = []*structs.ClientHostVolumeConfig{
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{
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Name: vol0,
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Path: tmpDir,
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ReadOnly: false,
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},
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}
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})
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defer srv.Shutdown()
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state := srv.Agent.Server().State()
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// Upsert the job and alloc
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node := mock.Node()
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alloc := mock.Alloc()
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alloc.Metrics = &structs.AllocMetric{}
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alloc.NodeID = node.ID
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job := alloc.Job
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job.TaskGroups[0].Volumes = map[string]*structs.VolumeRequest{
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vol0: {
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Name: vol0,
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Type: structs.VolumeTypeHost,
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Source: tmpDir,
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},
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}
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job.TaskGroups[0].Tasks[0].VolumeMounts = []*structs.VolumeMount{
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{
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Volume: vol0,
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Destination: "/var/www",
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ReadOnly: true,
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PropagationMode: "private",
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},
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}
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// fakes the placement enough so that we have something to iterate
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// on in 'nomad alloc status'
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alloc.TaskStates = map[string]*structs.TaskState{
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"web": &structs.TaskState{
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Events: []*structs.TaskEvent{
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structs.NewTaskEvent("test event").SetMessage("test msg"),
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},
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},
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}
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summary := mock.JobSummary(alloc.JobID)
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require.NoError(t, state.UpsertJobSummary(1004, summary))
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require.NoError(t, state.UpsertAllocs(1005, []*structs.Allocation{alloc}))
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ui := cli.NewMockUi()
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cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
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if code := cmd.Run([]string{"-address=" + url, "-verbose", alloc.ID}); code != 0 {
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t.Fatalf("expected exit 0, got: %d", code)
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}
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out := ui.OutputWriter.String()
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require.Contains(t, out, "Host Volumes")
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require.Contains(t, out, fmt.Sprintf("%s true", vol0))
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require.NotContains(t, out, "CSI Volumes")
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}
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func TestAllocStatusCommand_CSIVolumes(t *testing.T) {
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t.Parallel()
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srv, _, url := testServer(t, true, nil)
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defer srv.Shutdown()
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state := srv.Agent.Server().State()
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// Upsert the node, plugin, and volume
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vol0 := uuid.Generate()
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node := mock.Node()
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node.CSINodePlugins = map[string]*structs.CSIInfo{
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"minnie": {
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PluginID: "minnie",
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Healthy: true,
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NodeInfo: &structs.CSINodeInfo{},
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},
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}
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err := state.UpsertNode(1001, node)
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require.NoError(t, err)
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vols := []*structs.CSIVolume{{
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ID: vol0,
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Namespace: structs.DefaultNamespace,
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PluginID: "minnie",
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AccessMode: structs.CSIVolumeAccessModeMultiNodeSingleWriter,
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AttachmentMode: structs.CSIVolumeAttachmentModeFilesystem,
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Topologies: []*structs.CSITopology{{
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Segments: map[string]string{"foo": "bar"},
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}},
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}}
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err = state.CSIVolumeRegister(1002, vols)
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require.NoError(t, err)
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// Upsert the job and alloc
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alloc := mock.Alloc()
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alloc.Metrics = &structs.AllocMetric{}
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alloc.NodeID = node.ID
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job := alloc.Job
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job.TaskGroups[0].Volumes = map[string]*structs.VolumeRequest{
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vol0: {
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Name: vol0,
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Type: structs.VolumeTypeCSI,
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Source: "/tmp/vol0",
|
|
},
|
|
}
|
|
job.TaskGroups[0].Tasks[0].VolumeMounts = []*structs.VolumeMount{
|
|
{
|
|
Volume: vol0,
|
|
Destination: "/var/www",
|
|
ReadOnly: true,
|
|
PropagationMode: "private",
|
|
},
|
|
}
|
|
// if we don't set a task state, there's nothing to iterate on alloc status
|
|
alloc.TaskStates = map[string]*structs.TaskState{
|
|
"web": &structs.TaskState{
|
|
Events: []*structs.TaskEvent{
|
|
structs.NewTaskEvent("test event").SetMessage("test msg"),
|
|
},
|
|
},
|
|
}
|
|
summary := mock.JobSummary(alloc.JobID)
|
|
require.NoError(t, state.UpsertJobSummary(1004, summary))
|
|
require.NoError(t, state.UpsertAllocs(1005, []*structs.Allocation{alloc}))
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
|
|
if code := cmd.Run([]string{"-address=" + url, "-verbose", alloc.ID}); code != 0 {
|
|
t.Fatalf("expected exit 0, got: %d", code)
|
|
}
|
|
out := ui.OutputWriter.String()
|
|
require.Contains(t, out, "CSI Volumes")
|
|
require.Contains(t, out, fmt.Sprintf("%s minnie", vol0))
|
|
require.NotContains(t, out, "Host Volumes")
|
|
}
|