open-nomad/api/jobs_test.go

628 lines
14 KiB
Go

package api
import (
"reflect"
"sort"
"strings"
"testing"
"github.com/hashicorp/nomad/testutil"
)
func TestJobs_Register(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Listing jobs before registering returns nothing
resp, qm, err := jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(resp); n != 0 {
t.Fatalf("expected 0 jobs, got: %d", n)
}
// Create a job and attempt to register it
job := testJob()
eval, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if eval == "" {
t.Fatalf("missing eval id")
}
assertWriteMeta(t, wm)
// Query the jobs back out again
resp, qm, err = jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
// Check that we got the expected response
if len(resp) != 1 || resp[0].ID != job.ID {
t.Fatalf("bad: %#v", resp[0])
}
}
func TestJobs_EnforceRegister(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Listing jobs before registering returns nothing
resp, qm, err := jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(resp); n != 0 {
t.Fatalf("expected 0 jobs, got: %d", n)
}
// Create a job and attempt to register it with an incorrect index.
job := testJob()
eval, wm, err := jobs.EnforceRegister(job, 10, nil)
if err == nil || !strings.Contains(err.Error(), RegisterEnforceIndexErrPrefix) {
t.Fatalf("expected enforcement error: %v", err)
}
// Register
eval, wm, err = jobs.EnforceRegister(job, 0, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if eval == "" {
t.Fatalf("missing eval id")
}
assertWriteMeta(t, wm)
// Query the jobs back out again
resp, qm, err = jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
// Check that we got the expected response
if len(resp) != 1 {
t.Fatalf("bad length: %d", len(resp))
}
if resp[0].ID != job.ID {
t.Fatalf("bad: %#v", resp[0])
}
curIndex := resp[0].JobModifyIndex
// Fail at incorrect index
eval, wm, err = jobs.EnforceRegister(job, 123456, nil)
if err == nil || !strings.Contains(err.Error(), RegisterEnforceIndexErrPrefix) {
t.Fatalf("expected enforcement error: %v", err)
}
// Works at correct index
eval, wm, err = jobs.EnforceRegister(job, curIndex, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if eval == "" {
t.Fatalf("missing eval id")
}
assertWriteMeta(t, wm)
}
func TestJobs_Info(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Trying to retrieve a job by ID before it exists
// returns an error
_, _, err := jobs.Info("job1", nil)
if err == nil || !strings.Contains(err.Error(), "not found") {
t.Fatalf("expected not found error, got: %#v", err)
}
// Register the job
job := testJob()
_, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Query the job again and ensure it exists
result, qm, err := jobs.Info("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
// Check that the result is what we expect
if result == nil || result.ID != job.ID {
t.Fatalf("expect: %#v, got: %#v", job, result)
}
}
func TestJobs_PrefixList(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Listing when nothing exists returns empty
results, qm, err := jobs.PrefixList("dummy")
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(results); n != 0 {
t.Fatalf("expected 0 jobs, got: %d", n)
}
// Register the job
job := testJob()
_, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Query the job again and ensure it exists
// Listing when nothing exists returns empty
results, qm, err = jobs.PrefixList(job.ID[:1])
if err != nil {
t.Fatalf("err: %s", err)
}
// Check if we have the right list
if len(results) != 1 || results[0].ID != job.ID {
t.Fatalf("bad: %#v", results)
}
}
func TestJobs_List(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Listing when nothing exists returns empty
results, qm, err := jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(results); n != 0 {
t.Fatalf("expected 0 jobs, got: %d", n)
}
// Register the job
job := testJob()
_, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Query the job again and ensure it exists
// Listing when nothing exists returns empty
results, qm, err = jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
// Check if we have the right list
if len(results) != 1 || results[0].ID != job.ID {
t.Fatalf("bad: %#v", results)
}
}
func TestJobs_Allocations(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Looking up by a non-existent job returns nothing
allocs, qm, err := jobs.Allocations("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(allocs); n != 0 {
t.Fatalf("expected 0 allocs, got: %d", n)
}
// TODO: do something here to create some allocations for
// an existing job, lookup again.
}
func TestJobs_Evaluations(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Looking up by a non-existent job ID returns nothing
evals, qm, err := jobs.Evaluations("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if qm.LastIndex != 0 {
t.Fatalf("bad index: %d", qm.LastIndex)
}
if n := len(evals); n != 0 {
t.Fatalf("expected 0 evals, got: %d", n)
}
// Insert a job. This also creates an evaluation so we should
// be able to query that out after.
job := testJob()
evalID, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Look up the evaluations again.
evals, qm, err = jobs.Evaluations("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
// Check that we got the evals back
if n := len(evals); n == 0 || evals[0].ID != evalID {
t.Fatalf("expected 1 eval (%s), got: %#v", evalID, evals)
}
}
func TestJobs_Deregister(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Register a new job
job := testJob()
_, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Attempting delete on non-existing job returns an error
if _, _, err = jobs.Deregister("nope", nil); err != nil {
t.Fatalf("unexpected error deregistering job: %v", err)
}
// Deleting an existing job works
evalID, wm3, err := jobs.Deregister("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm3)
if evalID == "" {
t.Fatalf("missing eval ID")
}
// Check that the job is really gone
result, qm, err := jobs.List(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
if n := len(result); n != 0 {
t.Fatalf("expected 0 jobs, got: %d", n)
}
}
func TestJobs_ForceEvaluate(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Force-eval on a non-existent job fails
_, _, err := jobs.ForceEvaluate("job1", nil)
if err == nil || !strings.Contains(err.Error(), "not found") {
t.Fatalf("expected not found error, got: %#v", err)
}
// Create a new job
_, wm, err := jobs.Register(testJob(), nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Try force-eval again
evalID, wm, err := jobs.ForceEvaluate("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Retrieve the evals and see if we get a matching one
evals, qm, err := jobs.Evaluations("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
for _, eval := range evals {
if eval.ID == evalID {
return
}
}
t.Fatalf("evaluation %q missing", evalID)
}
func TestJobs_PeriodicForce(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Force-eval on a non-existent job fails
_, _, err := jobs.PeriodicForce("job1", nil)
if err == nil || !strings.Contains(err.Error(), "not found") {
t.Fatalf("expected not found error, got: %#v", err)
}
// Create a new job
job := testPeriodicJob()
_, _, err = jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
testutil.WaitForResult(func() (bool, error) {
out, _, err := jobs.Info(job.ID, nil)
if err != nil || out == nil || out.ID != job.ID {
return false, err
}
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
// Try force again
evalID, wm, err := jobs.PeriodicForce(job.ID, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
if evalID == "" {
t.Fatalf("empty evalID")
}
// Retrieve the eval
evals := c.Evaluations()
eval, qm, err := evals.Info(evalID, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
if eval.ID == evalID {
return
}
t.Fatalf("evaluation %q missing", evalID)
}
func TestJobs_Plan(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Create a job and attempt to register it
job := testJob()
eval, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if eval == "" {
t.Fatalf("missing eval id")
}
assertWriteMeta(t, wm)
// Check that passing a nil job fails
if _, _, err := jobs.Plan(nil, true, nil); err == nil {
t.Fatalf("expect an error when job isn't provided")
}
// Make a plan request
planResp, wm, err := jobs.Plan(job, true, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if planResp == nil {
t.Fatalf("nil response")
}
if planResp.JobModifyIndex == 0 {
t.Fatalf("bad JobModifyIndex value: %#v", planResp)
}
if planResp.Diff == nil {
t.Fatalf("got nil diff: %#v", planResp)
}
if planResp.Annotations == nil {
t.Fatalf("got nil annotations: %#v", planResp)
}
// Can make this assertion because there are no clients.
if len(planResp.CreatedEvals) == 0 {
t.Fatalf("got no CreatedEvals: %#v", planResp)
}
// Make a plan request w/o the diff
planResp, wm, err = jobs.Plan(job, false, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
if planResp == nil {
t.Fatalf("nil response")
}
if planResp.JobModifyIndex == 0 {
t.Fatalf("bad JobModifyIndex value: %d", planResp.JobModifyIndex)
}
if planResp.Diff != nil {
t.Fatalf("got non-nil diff: %#v", planResp)
}
if planResp.Annotations == nil {
t.Fatalf("got nil annotations: %#v", planResp)
}
// Can make this assertion because there are no clients.
if len(planResp.CreatedEvals) == 0 {
t.Fatalf("got no CreatedEvals: %#v", planResp)
}
}
func TestJobs_JobSummary(t *testing.T) {
c, s := makeClient(t, nil, nil)
defer s.Stop()
jobs := c.Jobs()
// Trying to retrieve a job summary before the job exists
// returns an error
_, _, err := jobs.Summary("job1", nil)
if err == nil || !strings.Contains(err.Error(), "not found") {
t.Fatalf("expected not found error, got: %#v", err)
}
// Register the job
job := testJob()
taskName := job.TaskGroups[0].Name
_, wm, err := jobs.Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertWriteMeta(t, wm)
// Query the job summary again and ensure it exists
result, qm, err := jobs.Summary("job1", nil)
if err != nil {
t.Fatalf("err: %s", err)
}
assertQueryMeta(t, qm)
// Check that the result is what we expect
if (job.ID != result.JobID) {
t.Fatalf("err: expected job id of %s saw %s", job.ID, result.JobID)
}
if _, ok := result.Summary[taskName]; !ok {
t.Fatalf("err: unable to find %s key in job summary", taskName)
}
}
func TestJobs_NewBatchJob(t *testing.T) {
job := NewBatchJob("job1", "myjob", "region1", 5)
expect := &Job{
Region: "region1",
ID: "job1",
Name: "myjob",
Type: JobTypeBatch,
Priority: 5,
}
if !reflect.DeepEqual(job, expect) {
t.Fatalf("expect: %#v, got: %#v", expect, job)
}
}
func TestJobs_NewServiceJob(t *testing.T) {
job := NewServiceJob("job1", "myjob", "region1", 5)
expect := &Job{
Region: "region1",
ID: "job1",
Name: "myjob",
Type: JobTypeService,
Priority: 5,
}
if !reflect.DeepEqual(job, expect) {
t.Fatalf("expect: %#v, got: %#v", expect, job)
}
}
func TestJobs_SetMeta(t *testing.T) {
job := &Job{Meta: nil}
// Initializes a nil map
out := job.SetMeta("foo", "bar")
if job.Meta == nil {
t.Fatalf("should initialize metadata")
}
// Check that the job was returned
if job != out {
t.Fatalf("expect: %#v, got: %#v", job, out)
}
// Setting another pair is additive
job.SetMeta("baz", "zip")
expect := map[string]string{"foo": "bar", "baz": "zip"}
if !reflect.DeepEqual(job.Meta, expect) {
t.Fatalf("expect: %#v, got: %#v", expect, job.Meta)
}
}
func TestJobs_Constrain(t *testing.T) {
job := &Job{Constraints: nil}
// Create and add a constraint
out := job.Constrain(NewConstraint("kernel.name", "=", "darwin"))
if n := len(job.Constraints); n != 1 {
t.Fatalf("expected 1 constraint, got: %d", n)
}
// Check that the job was returned
if job != out {
t.Fatalf("expect: %#v, got: %#v", job, out)
}
// Adding another constraint preserves the original
job.Constrain(NewConstraint("memory.totalbytes", ">=", "128000000"))
expect := []*Constraint{
&Constraint{
LTarget: "kernel.name",
RTarget: "darwin",
Operand: "=",
},
&Constraint{
LTarget: "memory.totalbytes",
RTarget: "128000000",
Operand: ">=",
},
}
if !reflect.DeepEqual(job.Constraints, expect) {
t.Fatalf("expect: %#v, got: %#v", expect, job.Constraints)
}
}
func TestJobs_Sort(t *testing.T) {
jobs := []*JobListStub{
&JobListStub{ID: "job2"},
&JobListStub{ID: "job0"},
&JobListStub{ID: "job1"},
}
sort.Sort(JobIDSort(jobs))
expect := []*JobListStub{
&JobListStub{ID: "job0"},
&JobListStub{ID: "job1"},
&JobListStub{ID: "job2"},
}
if !reflect.DeepEqual(jobs, expect) {
t.Fatalf("\n\n%#v\n\n%#v", jobs, expect)
}
}