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alloc_status_test.go
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alloc_status_test.go
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package command
import (
"fmt"
"regexp"
"strings"
"testing"
"time"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
"github.com/posener/complete"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestAllocStatusCommand_Implements(t *testing.T) {
t.Parallel()
var _ cli.Command = &AllocStatusCommand{}
}
func TestAllocStatusCommand_Fails(t *testing.T) {
t.Parallel()
srv, _, url := testServer(t, false, nil)
defer srv.Shutdown()
ui := new(cli.MockUi)
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
// Fails on misuse
if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on connection failure
if code := cmd.Run([]string{"-address=nope", "foobar"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying allocation") {
t.Fatalf("expected failed query error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on missing alloc
if code := cmd.Run([]string{"-address=" + url, "26470238-5CF2-438F-8772-DC67CFB0705C"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "No allocation(s) with prefix or id") {
t.Fatalf("expected not found error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fail on identifier with too few characters
if code := cmd.Run([]string{"-address=" + url, "2"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
t.Fatalf("expected too few characters error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Identifiers with uneven length should produce a query result
if code := cmd.Run([]string{"-address=" + url, "123"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "No allocation(s) with prefix or id") {
t.Fatalf("expected not found error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Failed on both -json and -t options are specified
if code := cmd.Run([]string{"-address=" + url, "-json", "-t", "{{.ID}}"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Both json and template formatting are not allowed") {
t.Fatalf("expected getting formatter error, got: %s", out)
}
}
func TestAllocStatusCommand_Run(t *testing.T) {
t.Parallel()
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait for a node to be ready
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
for _, node := range nodes {
if _, ok := node.Drivers["mock_driver"]; ok &&
node.Status == structs.NodeStatusReady {
return true, nil
}
}
return false, fmt.Errorf("no ready nodes")
}, func(err error) {
t.Fatalf("err: %v", err)
})
ui := new(cli.MockUi)
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
jobID := "job1_sfx"
job1 := testJob(jobID)
resp, _, err := client.Jobs().Register(job1, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if code := waitForSuccess(ui, client, fullId, t, resp.EvalID); code != 0 {
t.Fatalf("status code non zero saw %d", code)
}
// get an alloc id
allocId1 := ""
nodeName := ""
if allocs, _, err := client.Jobs().Allocations(jobID, false, nil); err == nil {
if len(allocs) > 0 {
allocId1 = allocs[0].ID
nodeName = allocs[0].NodeName
}
}
if allocId1 == "" {
t.Fatal("unable to find an allocation")
}
if code := cmd.Run([]string{"-address=" + url, allocId1}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
if !strings.Contains(out, "Created") {
t.Fatalf("expected to have 'Created' but saw: %s", out)
}
if !strings.Contains(out, "Modified") {
t.Fatalf("expected to have 'Modified' but saw: %s", out)
}
if !strings.Contains(out, "Modified") {
t.Fatalf("expected to have 'Modified' but saw: %s", out)
}
nodeNameRegexpStr := fmt.Sprintf(`\nNode Name\s+= %s\n`, regexp.QuoteMeta(nodeName))
nodeNameRegexp := regexp.MustCompile(nodeNameRegexpStr)
if !nodeNameRegexp.MatchString(out) {
t.Fatalf("expected to have 'Node Name' but saw: %s", out)
}
ui.OutputWriter.Reset()
if code := cmd.Run([]string{"-address=" + url, "-verbose", allocId1}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, allocId1) {
t.Fatal("expected to find alloc id in output")
}
if !strings.Contains(out, "Created") {
t.Fatalf("expected to have 'Created' but saw: %s", out)
}
ui.OutputWriter.Reset()
// Try the query with an even prefix that includes the hyphen
if code := cmd.Run([]string{"-address=" + url, allocId1[:13]}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "Created") {
t.Fatalf("expected to have 'Created' but saw: %s", out)
}
ui.OutputWriter.Reset()
if code := cmd.Run([]string{"-address=" + url, "-verbose", allocId1}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, allocId1) {
t.Fatal("expected to find alloc id in output")
}
ui.OutputWriter.Reset()
}
func TestAllocStatusCommand_RescheduleInfo(t *testing.T) {
t.Parallel()
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait for a node to be ready
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
for _, node := range nodes {
if node.Status == structs.NodeStatusReady {
return true, nil
}
}
return false, fmt.Errorf("no ready nodes")
}, func(err error) {
t.Fatalf("err: %v", err)
})
ui := new(cli.MockUi)
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
// Test reschedule attempt info
require := require.New(t)
state := srv.Agent.Server().State()
a := mock.Alloc()
a.Metrics = &structs.AllocMetric{}
nextAllocId := uuid.Generate()
a.NextAllocation = nextAllocId
a.RescheduleTracker = &structs.RescheduleTracker{
Events: []*structs.RescheduleEvent{
{
RescheduleTime: time.Now().Add(-2 * time.Minute).UTC().UnixNano(),
PrevAllocID: uuid.Generate(),
PrevNodeID: uuid.Generate(),
},
},
}
require.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
if code := cmd.Run([]string{"-address=" + url, a.ID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
require.Contains(out, "Replacement Alloc ID")
require.Regexp(regexp.MustCompile(".*Reschedule Attempts\\s*=\\s*1/2"), out)
}
func TestAllocStatusCommand_ScoreMetrics(t *testing.T) {
t.Parallel()
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait for a node to be ready
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
for _, node := range nodes {
if node.Status == structs.NodeStatusReady {
return true, nil
}
}
return false, fmt.Errorf("no ready nodes")
}, func(err error) {
t.Fatalf("err: %v", err)
})
ui := new(cli.MockUi)
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui}}
// Test node metrics
require := require.New(t)
state := srv.Agent.Server().State()
a := mock.Alloc()
mockNode1 := mock.Node()
mockNode2 := mock.Node()
a.Metrics = &structs.AllocMetric{
ScoreMetaData: []*structs.NodeScoreMeta{
{
NodeID: mockNode1.ID,
Scores: map[string]float64{
"binpack": 0.77,
"node-affinity": 0.5,
},
},
{
NodeID: mockNode2.ID,
Scores: map[string]float64{
"binpack": 0.75,
"node-affinity": 0.33,
},
},
},
}
require.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
if code := cmd.Run([]string{"-address=" + url, "-verbose", a.ID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
require.Contains(out, "Placement Metrics")
require.Contains(out, mockNode1.ID)
require.Contains(out, mockNode2.ID)
require.Contains(out, "final score")
}
func TestAllocStatusCommand_AutocompleteArgs(t *testing.T) {
assert := assert.New(t)
t.Parallel()
srv, _, url := testServer(t, true, nil)
defer srv.Shutdown()
ui := new(cli.MockUi)
cmd := &AllocStatusCommand{Meta: Meta{Ui: ui, flagAddress: url}}
// Create a fake alloc
state := srv.Agent.Server().State()
a := mock.Alloc()
assert.Nil(state.UpsertAllocs(1000, []*structs.Allocation{a}))
prefix := a.ID[:5]
args := complete.Args{Last: prefix}
predictor := cmd.AutocompleteArgs()
res := predictor.Predict(args)
assert.Equal(1, len(res))
assert.Equal(a.ID, res[0])
}