open-nomad/command/job_plan_test.go

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package command
import (
"os"
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"strconv"
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"strings"
"testing"
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"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/testutil"
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"github.com/mitchellh/cli"
"github.com/shoenig/test/must"
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"github.com/stretchr/testify/require"
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)
func TestPlanCommand_Implements(t *testing.T) {
ci.Parallel(t)
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var _ cli.Command = &JobRunCommand{}
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}
func TestPlanCommand_Fails(t *testing.T) {
ci.Parallel(t)
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// Create a server
s := testutil.NewTestServer(t, nil)
defer s.Stop()
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ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui, flagAddress: "http://" + s.HTTPAddr}}
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// Fails on misuse
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if code := cmd.Run([]string{"some", "bad", "args"}); code != 255 {
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t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
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t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails when specified file does not exist
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if code := cmd.Run([]string{"/unicorns/leprechauns"}); code != 255 {
t.Fatalf("expect exit 255, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error getting job struct") {
t.Fatalf("expect getting job struct error, got: %s", out)
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}
ui.ErrorWriter.Reset()
// Fails on invalid HCL
fh1, err := os.CreateTemp("", "nomad")
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if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Remove(fh1.Name())
if _, err := fh1.WriteString("nope"); err != nil {
t.Fatalf("err: %s", err)
}
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if code := cmd.Run([]string{fh1.Name()}); code != 255 {
t.Fatalf("expect exit 255, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error getting job struct") {
t.Fatalf("expect parsing error, got: %s", out)
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}
ui.ErrorWriter.Reset()
// Fails on invalid job spec
fh2, err := os.CreateTemp("", "nomad")
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if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Remove(fh2.Name())
if _, err := fh2.WriteString(`job "job1" {}`); err != nil {
t.Fatalf("err: %s", err)
}
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if code := cmd.Run([]string{fh2.Name()}); code != 255 {
t.Fatalf("expect exit 255, got: %d", code)
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error during plan") {
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t.Fatalf("expect validation error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on connection failure (requires a valid job)
fh3, err := os.CreateTemp("", "nomad")
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if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Remove(fh3.Name())
_, err = fh3.WriteString(`
job "job1" {
type = "service"
datacenters = [ "dc1" ]
group "group1" {
count = 1
task "task1" {
driver = "exec"
resources {
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cpu = 1000
memory = 512
}
}
}
}`)
if err != nil {
t.Fatalf("err: %s", err)
}
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if code := cmd.Run([]string{"-address=nope", fh3.Name()}); code != 255 {
t.Fatalf("expected exit code 255, got: %d", code)
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}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error during plan") {
t.Fatalf("expected failed query error, got: %s", out)
}
}
func TestPlanCommand_hcl1_hcl2_strict(t *testing.T) {
ci.Parallel(t)
_, _, addr := testServer(t, false, nil)
t.Run("-hcl1 implies -hcl2-strict is false", func(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
got := cmd.Run([]string{
"-hcl1", "-hcl2-strict",
"-address", addr,
"asset/example-short.nomad.hcl",
})
// Exit code 1 here means that an alloc will be created, which is
// expected.
require.Equal(t, 1, got)
})
}
func TestPlanCommand_From_STDIN(t *testing.T) {
_, _, addr := testServer(t, false, nil)
ci.Parallel(t)
stdinR, stdinW, err := os.Pipe()
if err != nil {
t.Fatalf("err: %s", err)
}
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ui := cli.NewMockUi()
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cmd := &JobPlanCommand{
Meta: Meta{
Ui: ui,
flagAddress: addr,
},
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JobGetter: JobGetter{testStdin: stdinR},
}
go func() {
stdinW.WriteString(`
job "job1" {
datacenters = ["dc1"]
type = "service"
group "group1" {
count = 1
task "task1" {
driver = "exec"
resources {
cpu = 100
memory = 100
}
}
}
}`)
stdinW.Close()
}()
args := []string{"-address", addr, "-"}
code := cmd.Run(args)
must.Eq(t, 1, code, must.Sprintf("expected exit code 1, got %d: %q", code, ui.ErrorWriter.String()))
must.Eq(t, "", ui.ErrorWriter.String(), must.Sprintf("expected no stderr output, got:\n%s", ui.ErrorWriter.String()))
}
func TestPlanCommand_From_Files(t *testing.T) {
// Create a Vault server
v := testutil.NewTestVault(t)
defer v.Stop()
// Create a Nomad server
s := testutil.NewTestServer(t, func(c *testutil.TestServerConfig) {
c.Vault.Address = v.HTTPAddr
c.Vault.Enabled = true
c.Vault.AllowUnauthenticated = false
c.Vault.Token = v.RootToken
})
defer s.Stop()
t.Run("fail to place", func(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
args := []string{"-address", "http://" + s.HTTPAddr, "testdata/example-basic.nomad"}
code := cmd.Run(args)
require.Equal(t, 1, code) // no client running, fail to place
must.StrContains(t, ui.OutputWriter.String(), "WARNING: Failed to place all allocations.")
})
t.Run("vault no token", func(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
args := []string{"-address", "http://" + s.HTTPAddr, "testdata/example-vault.nomad"}
code := cmd.Run(args)
must.Eq(t, 255, code)
must.StrContains(t, ui.ErrorWriter.String(), "* Vault used in the job but missing Vault token")
})
t.Run("vault bad token via flag", func(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
args := []string{"-address", "http://" + s.HTTPAddr, "-vault-token=abc123", "testdata/example-vault.nomad"}
code := cmd.Run(args)
must.Eq(t, 255, code)
must.StrContains(t, ui.ErrorWriter.String(), "* bad token")
})
t.Run("vault bad token via env", func(t *testing.T) {
t.Setenv("VAULT_TOKEN", "abc123")
ui := cli.NewMockUi()
cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
args := []string{"-address", "http://" + s.HTTPAddr, "testdata/example-vault.nomad"}
code := cmd.Run(args)
must.Eq(t, 255, code)
must.StrContains(t, ui.ErrorWriter.String(), "* bad token")
})
}
func TestPlanCommand_From_URL(t *testing.T) {
ci.Parallel(t)
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ui := cli.NewMockUi()
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cmd := &JobPlanCommand{
Meta: Meta{Ui: ui},
}
args := []string{"https://example.com/foo/bar"}
if code := cmd.Run(args); code != 255 {
t.Fatalf("expected exit code 255, got %d: %q", code, ui.ErrorWriter.String())
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error getting jobfile") {
t.Fatalf("expected error getting jobfile, got: %s", out)
}
}
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func TestPlanCommand_Preemptions(t *testing.T) {
ci.Parallel(t)
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ui := cli.NewMockUi()
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cmd := &JobPlanCommand{Meta: Meta{Ui: ui}}
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require := require.New(t)
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// Only one preempted alloc
resp1 := &api.JobPlanResponse{
Annotations: &api.PlanAnnotations{
PreemptedAllocs: []*api.AllocationListStub{
{
ID: "alloc1",
JobID: "jobID1",
TaskGroup: "meta",
JobType: "batch",
Namespace: "test",
},
},
},
}
cmd.addPreemptions(resp1)
out := ui.OutputWriter.String()
require.Contains(out, "Alloc ID")
require.Contains(out, "alloc1")
// Less than 10 unique job ids
var preemptedAllocs []*api.AllocationListStub
for i := 0; i < 12; i++ {
job_id := "job" + strconv.Itoa(i%4)
alloc := &api.AllocationListStub{
ID: "alloc",
JobID: job_id,
TaskGroup: "meta",
JobType: "batch",
Namespace: "test",
}
preemptedAllocs = append(preemptedAllocs, alloc)
}
resp2 := &api.JobPlanResponse{
Annotations: &api.PlanAnnotations{
PreemptedAllocs: preemptedAllocs,
},
}
ui.OutputWriter.Reset()
cmd.addPreemptions(resp2)
out = ui.OutputWriter.String()
require.Contains(out, "Job ID")
require.Contains(out, "Namespace")
// More than 10 unique job IDs
preemptedAllocs = make([]*api.AllocationListStub, 0)
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var job_type string
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for i := 0; i < 20; i++ {
job_id := "job" + strconv.Itoa(i)
if i%2 == 0 {
job_type = "service"
} else {
job_type = "batch"
}
alloc := &api.AllocationListStub{
ID: "alloc",
JobID: job_id,
TaskGroup: "meta",
JobType: job_type,
Namespace: "test",
}
preemptedAllocs = append(preemptedAllocs, alloc)
}
resp3 := &api.JobPlanResponse{
Annotations: &api.PlanAnnotations{
PreemptedAllocs: preemptedAllocs,
},
}
ui.OutputWriter.Reset()
cmd.addPreemptions(resp3)
out = ui.OutputWriter.String()
require.Contains(out, "Job Type")
require.Contains(out, "batch")
require.Contains(out, "service")
}
func TestPlanCommand_JSON(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobPlanCommand{
Meta: Meta{Ui: ui},
}
args := []string{
"-address=http://nope",
"-json",
"testdata/example-short.json",
}
code := cmd.Run(args)
require.Equal(t, 255, code)
require.Contains(t, ui.ErrorWriter.String(), "Error during plan: Put")
}