open-nomad/nomad/deploymentwatcher/deployments_watcher_test.go
2017-09-07 17:04:21 -07:00

819 lines
28 KiB
Go

package deploymentwatcher
import (
"fmt"
"testing"
"time"
memdb "github.com/hashicorp/go-memdb"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/assert"
mocker "github.com/stretchr/testify/mock"
)
func testDeploymentWatcher(t *testing.T, qps float64, batchDur time.Duration) (*Watcher, *mockBackend) {
m := newMockBackend(t)
w := NewDeploymentsWatcher(testLogger(), m, qps, batchDur)
return w, m
}
func defaultTestDeploymentWatcher(t *testing.T) (*Watcher, *mockBackend) {
return testDeploymentWatcher(t, LimitStateQueriesPerSecond, CrossDeploymentEvalBatchDuration)
}
// Tests that the watcher properly watches for deployments and reconciles them
func TestWatcher_WatchDeployments(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create three jobs
j1, j2, j3 := mock.Job(), mock.Job(), mock.Job()
assert.Nil(m.state.UpsertJob(100, j1))
assert.Nil(m.state.UpsertJob(101, j2))
assert.Nil(m.state.UpsertJob(102, j3))
// Create three deployments all running
d1, d2, d3 := mock.Deployment(), mock.Deployment(), mock.Deployment()
d1.JobID = j1.ID
d2.JobID = j2.ID
d3.JobID = j3.ID
// Upsert the first deployment
assert.Nil(m.state.UpsertDeployment(103, d1))
// Next list 3
block1 := make(chan time.Time)
go func() {
<-block1
assert.Nil(m.state.UpsertDeployment(104, d2))
assert.Nil(m.state.UpsertDeployment(105, d3))
}()
//// Next list 3 but have one be terminal
block2 := make(chan time.Time)
d3terminal := d3.Copy()
d3terminal.Status = structs.DeploymentStatusFailed
go func() {
<-block2
assert.Nil(m.state.UpsertDeployment(106, d3terminal))
}()
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "1 deployment returned") })
close(block1)
testutil.WaitForResult(func() (bool, error) { return 3 == len(w.watchers), nil },
func(err error) { assert.Equal(3, len(w.watchers), "3 deployment returned") })
close(block2)
testutil.WaitForResult(func() (bool, error) { return 2 == len(w.watchers), nil },
func(err error) { assert.Equal(3, len(w.watchers), "3 deployment returned - 1 terminal") })
}
// Tests that calls against an unknown deployment fail
func TestWatcher_UnknownDeployment(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
w.SetEnabled(true, m.state)
// The expected error is that it should be an unknown deployment
dID := structs.GenerateUUID()
expected := fmt.Sprintf("unknown deployment %q", dID)
// Request setting the health against an unknown deployment
req := &structs.DeploymentAllocHealthRequest{
DeploymentID: dID,
HealthyAllocationIDs: []string{structs.GenerateUUID()},
}
var resp structs.DeploymentUpdateResponse
err := w.SetAllocHealth(req, &resp)
if assert.NotNil(err, "should have error for unknown deployment") {
assert.Contains(err.Error(), expected)
}
// Request promoting against an unknown deployment
req2 := &structs.DeploymentPromoteRequest{
DeploymentID: dID,
All: true,
}
err = w.PromoteDeployment(req2, &resp)
if assert.NotNil(err, "should have error for unknown deployment") {
assert.Contains(err.Error(), expected)
}
// Request pausing against an unknown deployment
req3 := &structs.DeploymentPauseRequest{
DeploymentID: dID,
Pause: true,
}
err = w.PauseDeployment(req3, &resp)
if assert.NotNil(err, "should have error for unknown deployment") {
assert.Contains(err.Error(), expected)
}
// Request failing against an unknown deployment
req4 := &structs.DeploymentFailRequest{
DeploymentID: dID,
}
err = w.FailDeployment(req4, &resp)
if assert.NotNil(err, "should have error for unknown deployment") {
assert.Contains(err.Error(), expected)
}
}
// Test setting an unknown allocation's health
func TestWatcher_SetAllocHealth_Unknown(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentAllocHealth
a := mock.Alloc()
matchConfig := &matchDeploymentAllocHealthRequestConfig{
DeploymentID: d.ID,
Healthy: []string{a.ID},
Eval: true,
}
matcher := matchDeploymentAllocHealthRequest(matchConfig)
m.On("UpdateDeploymentAllocHealth", mocker.MatchedBy(matcher)).Return(nil)
// Call SetAllocHealth
req := &structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
HealthyAllocationIDs: []string{a.ID},
}
var resp structs.DeploymentUpdateResponse
err := w.SetAllocHealth(req, &resp)
if assert.NotNil(err, "Set health of unknown allocation") {
assert.Contains(err.Error(), "unknown")
}
assert.Equal(1, len(w.watchers), "Deployment should still be active")
}
// Test setting allocation health
func TestWatcher_SetAllocHealth_Healthy(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, alloc, and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
a := mock.Alloc()
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentAllocHealth
matchConfig := &matchDeploymentAllocHealthRequestConfig{
DeploymentID: d.ID,
Healthy: []string{a.ID},
Eval: true,
}
matcher := matchDeploymentAllocHealthRequest(matchConfig)
m.On("UpdateDeploymentAllocHealth", mocker.MatchedBy(matcher)).Return(nil)
// Call SetAllocHealth
req := &structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
HealthyAllocationIDs: []string{a.ID},
}
var resp structs.DeploymentUpdateResponse
err := w.SetAllocHealth(req, &resp)
assert.Nil(err, "SetAllocHealth")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentAllocHealth", mocker.MatchedBy(matcher))
}
// Test setting allocation unhealthy
func TestWatcher_SetAllocHealth_Unhealthy(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, alloc, and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
a := mock.Alloc()
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentAllocHealth
matchConfig := &matchDeploymentAllocHealthRequestConfig{
DeploymentID: d.ID,
Unhealthy: []string{a.ID},
Eval: true,
DeploymentUpdate: &structs.DeploymentStatusUpdate{
DeploymentID: d.ID,
Status: structs.DeploymentStatusFailed,
StatusDescription: structs.DeploymentStatusDescriptionFailedAllocations,
},
}
matcher := matchDeploymentAllocHealthRequest(matchConfig)
m.On("UpdateDeploymentAllocHealth", mocker.MatchedBy(matcher)).Return(nil)
// Call SetAllocHealth
req := &structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
UnhealthyAllocationIDs: []string{a.ID},
}
var resp structs.DeploymentUpdateResponse
err := w.SetAllocHealth(req, &resp)
assert.Nil(err, "SetAllocHealth")
testutil.WaitForResult(func() (bool, error) { return 0 == len(w.watchers), nil },
func(err error) { assert.Equal(0, len(w.watchers), "Should have no deployment") })
m.AssertNumberOfCalls(t, "UpdateDeploymentAllocHealth", 1)
}
// Test setting allocation unhealthy and that there should be a rollback
func TestWatcher_SetAllocHealth_Unhealthy_Rollback(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, alloc, and a deployment
j := mock.Job()
j.TaskGroups[0].Update = structs.DefaultUpdateStrategy.Copy()
j.TaskGroups[0].Update.MaxParallel = 2
j.TaskGroups[0].Update.AutoRevert = true
j.Stable = true
d := mock.Deployment()
d.JobID = j.ID
d.TaskGroups["web"].AutoRevert = true
a := mock.Alloc()
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
// Upsert the job again to get a new version
j2 := j.Copy()
j2.Stable = false
assert.Nil(m.state.UpsertJob(m.nextIndex(), j2), "UpsertJob2")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentAllocHealth
matchConfig := &matchDeploymentAllocHealthRequestConfig{
DeploymentID: d.ID,
Unhealthy: []string{a.ID},
Eval: true,
DeploymentUpdate: &structs.DeploymentStatusUpdate{
DeploymentID: d.ID,
Status: structs.DeploymentStatusFailed,
StatusDescription: structs.DeploymentStatusDescriptionFailedAllocations,
},
JobVersion: helper.Uint64ToPtr(0),
}
matcher := matchDeploymentAllocHealthRequest(matchConfig)
m.On("UpdateDeploymentAllocHealth", mocker.MatchedBy(matcher)).Return(nil)
// Call SetAllocHealth
req := &structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
UnhealthyAllocationIDs: []string{a.ID},
}
var resp structs.DeploymentUpdateResponse
err := w.SetAllocHealth(req, &resp)
assert.Nil(err, "SetAllocHealth")
testutil.WaitForResult(func() (bool, error) { return 0 == len(w.watchers), nil },
func(err error) { assert.Equal(0, len(w.watchers), "Should have no deployment") })
m.AssertNumberOfCalls(t, "UpdateDeploymentAllocHealth", 1)
}
// Test promoting a deployment
func TestWatcher_PromoteDeployment_HealthyCanaries(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, canary alloc, and a deployment
j := mock.Job()
j.TaskGroups[0].Update = structs.DefaultUpdateStrategy.Copy()
j.TaskGroups[0].Update.MaxParallel = 2
j.TaskGroups[0].Update.Canary = 2
d := mock.Deployment()
d.JobID = j.ID
a := mock.Alloc()
d.TaskGroups[a.TaskGroup].PlacedCanaries = []string{a.ID}
a.DeploymentStatus = &structs.AllocDeploymentStatus{
Healthy: helper.BoolToPtr(true),
}
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentPromotion
matchConfig := &matchDeploymentPromoteRequestConfig{
Promotion: &structs.DeploymentPromoteRequest{
DeploymentID: d.ID,
All: true,
},
Eval: true,
}
matcher := matchDeploymentPromoteRequest(matchConfig)
m.On("UpdateDeploymentPromotion", mocker.MatchedBy(matcher)).Return(nil)
// Call PromoteDeployment
req := &structs.DeploymentPromoteRequest{
DeploymentID: d.ID,
All: true,
}
var resp structs.DeploymentUpdateResponse
err := w.PromoteDeployment(req, &resp)
assert.Nil(err, "PromoteDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentPromotion", mocker.MatchedBy(matcher))
}
// Test promoting a deployment with unhealthy canaries
func TestWatcher_PromoteDeployment_UnhealthyCanaries(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job, canary alloc, and a deployment
j := mock.Job()
j.TaskGroups[0].Update = structs.DefaultUpdateStrategy.Copy()
j.TaskGroups[0].Update.MaxParallel = 2
j.TaskGroups[0].Update.Canary = 2
d := mock.Deployment()
d.JobID = j.ID
a := mock.Alloc()
d.TaskGroups[a.TaskGroup].PlacedCanaries = []string{a.ID}
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentPromotion
matchConfig := &matchDeploymentPromoteRequestConfig{
Promotion: &structs.DeploymentPromoteRequest{
DeploymentID: d.ID,
All: true,
},
Eval: true,
}
matcher := matchDeploymentPromoteRequest(matchConfig)
m.On("UpdateDeploymentPromotion", mocker.MatchedBy(matcher)).Return(nil)
// Call SetAllocHealth
req := &structs.DeploymentPromoteRequest{
DeploymentID: d.ID,
All: true,
}
var resp structs.DeploymentUpdateResponse
err := w.PromoteDeployment(req, &resp)
if assert.NotNil(err, "PromoteDeployment") {
assert.Contains(err.Error(), "is not healthy", "Should error because canary isn't marked healthy")
}
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentPromotion", mocker.MatchedBy(matcher))
}
// Test pausing a deployment that is running
func TestWatcher_PauseDeployment_Pause_Running(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentStatusUpdate
matchConfig := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusPaused,
StatusDescription: structs.DeploymentStatusDescriptionPaused,
}
matcher := matchDeploymentStatusUpdateRequest(matchConfig)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(matcher)).Return(nil)
// Call PauseDeployment
req := &structs.DeploymentPauseRequest{
DeploymentID: d.ID,
Pause: true,
}
var resp structs.DeploymentUpdateResponse
err := w.PauseDeployment(req, &resp)
assert.Nil(err, "PauseDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(matcher))
}
// Test pausing a deployment that is paused
func TestWatcher_PauseDeployment_Pause_Paused(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
d.Status = structs.DeploymentStatusPaused
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentStatusUpdate
matchConfig := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusPaused,
StatusDescription: structs.DeploymentStatusDescriptionPaused,
}
matcher := matchDeploymentStatusUpdateRequest(matchConfig)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(matcher)).Return(nil)
// Call PauseDeployment
req := &structs.DeploymentPauseRequest{
DeploymentID: d.ID,
Pause: true,
}
var resp structs.DeploymentUpdateResponse
err := w.PauseDeployment(req, &resp)
assert.Nil(err, "PauseDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(matcher))
}
// Test unpausing a deployment that is paused
func TestWatcher_PauseDeployment_Unpause_Paused(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
d.Status = structs.DeploymentStatusPaused
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentStatusUpdate
matchConfig := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusRunning,
StatusDescription: structs.DeploymentStatusDescriptionRunning,
Eval: true,
}
matcher := matchDeploymentStatusUpdateRequest(matchConfig)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(matcher)).Return(nil)
// Call PauseDeployment
req := &structs.DeploymentPauseRequest{
DeploymentID: d.ID,
Pause: false,
}
var resp structs.DeploymentUpdateResponse
err := w.PauseDeployment(req, &resp)
assert.Nil(err, "PauseDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(matcher))
}
// Test unpausing a deployment that is running
func TestWatcher_PauseDeployment_Unpause_Running(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentStatusUpdate
matchConfig := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusRunning,
StatusDescription: structs.DeploymentStatusDescriptionRunning,
Eval: true,
}
matcher := matchDeploymentStatusUpdateRequest(matchConfig)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(matcher)).Return(nil)
// Call PauseDeployment
req := &structs.DeploymentPauseRequest{
DeploymentID: d.ID,
Pause: false,
}
var resp structs.DeploymentUpdateResponse
err := w.PauseDeployment(req, &resp)
assert.Nil(err, "PauseDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(matcher))
}
// Test failing a deployment that is running
func TestWatcher_FailDeployment_Running(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := defaultTestDeploymentWatcher(t)
// Create a job and a deployment
j := mock.Job()
d := mock.Deployment()
d.JobID = j.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we get a call to UpsertDeploymentStatusUpdate
matchConfig := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusFailed,
StatusDescription: structs.DeploymentStatusDescriptionFailedByUser,
Eval: true,
}
matcher := matchDeploymentStatusUpdateRequest(matchConfig)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(matcher)).Return(nil)
// Call PauseDeployment
req := &structs.DeploymentFailRequest{
DeploymentID: d.ID,
}
var resp structs.DeploymentUpdateResponse
err := w.FailDeployment(req, &resp)
assert.Nil(err, "FailDeployment")
assert.Equal(1, len(w.watchers), "Deployment should still be active")
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(matcher))
}
// Tests that the watcher properly watches for allocation changes and takes the
// proper actions
func TestDeploymentWatcher_Watch(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := testDeploymentWatcher(t, 1000.0, 1*time.Millisecond)
// Create a job, alloc, and a deployment
j := mock.Job()
j.TaskGroups[0].Update = structs.DefaultUpdateStrategy.Copy()
j.TaskGroups[0].Update.MaxParallel = 2
j.TaskGroups[0].Update.AutoRevert = true
j.Stable = true
d := mock.Deployment()
d.JobID = j.ID
d.TaskGroups["web"].AutoRevert = true
a := mock.Alloc()
a.DeploymentID = d.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a}), "UpsertAllocs")
// Upsert the job again to get a new version
j2 := j.Copy()
j2.Stable = false
assert.Nil(m.state.UpsertJob(m.nextIndex(), j2), "UpsertJob2")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 1 == len(w.watchers), nil },
func(err error) { assert.Equal(1, len(w.watchers), "Should have 1 deployment") })
// Assert that we will get a createEvaluation call only once. This will
// verify that the watcher is batching allocation changes
m1 := matchUpsertEvals([]string{d.ID})
m.On("UpsertEvals", mocker.MatchedBy(m1)).Return(nil).Once()
// Update the allocs health to healthy which should create an evaluation
for i := 0; i < 5; i++ {
req := &structs.ApplyDeploymentAllocHealthRequest{
DeploymentAllocHealthRequest: structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
HealthyAllocationIDs: []string{a.ID},
},
}
assert.Nil(m.state.UpdateDeploymentAllocHealth(m.nextIndex(), req), "UpsertDeploymentAllocHealth")
}
// Wait for there to be one eval
testutil.WaitForResult(func() (bool, error) {
ws := memdb.NewWatchSet()
evals, err := m.state.EvalsByJob(ws, j.Namespace, j.ID)
if err != nil {
return false, err
}
if l := len(evals); l != 1 {
return false, fmt.Errorf("Got %d evals; want 1", l)
}
return true, nil
}, func(err error) {
t.Fatal(err)
})
// Assert that we get a call to UpsertDeploymentStatusUpdate
c := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusFailed,
StatusDescription: structs.DeploymentStatusDescriptionRollback(structs.DeploymentStatusDescriptionFailedAllocations, 0),
JobVersion: helper.Uint64ToPtr(0),
Eval: true,
}
m2 := matchDeploymentStatusUpdateRequest(c)
m.On("UpdateDeploymentStatus", mocker.MatchedBy(m2)).Return(nil)
// Update the allocs health to unhealthy which should create a job rollback,
// status update and eval
req2 := &structs.ApplyDeploymentAllocHealthRequest{
DeploymentAllocHealthRequest: structs.DeploymentAllocHealthRequest{
DeploymentID: d.ID,
UnhealthyAllocationIDs: []string{a.ID},
},
}
assert.Nil(m.state.UpdateDeploymentAllocHealth(m.nextIndex(), req2), "UpsertDeploymentAllocHealth")
// Wait for there to be one eval
testutil.WaitForResult(func() (bool, error) {
ws := memdb.NewWatchSet()
evals, err := m.state.EvalsByJob(ws, j.Namespace, j.ID)
if err != nil {
return false, err
}
if l := len(evals); l != 2 {
return false, fmt.Errorf("Got %d evals; want 1", l)
}
return true, nil
}, func(err error) {
t.Fatal(err)
})
m.AssertCalled(t, "UpsertEvals", mocker.MatchedBy(m1))
// After we upsert the job version will go to 2. So use this to assert the
// original call happened.
c2 := &matchDeploymentStatusUpdateConfig{
DeploymentID: d.ID,
Status: structs.DeploymentStatusFailed,
StatusDescription: structs.DeploymentStatusDescriptionRollback(structs.DeploymentStatusDescriptionFailedAllocations, 0),
JobVersion: helper.Uint64ToPtr(2),
Eval: true,
}
m3 := matchDeploymentStatusUpdateRequest(c2)
m.AssertCalled(t, "UpdateDeploymentStatus", mocker.MatchedBy(m3))
testutil.WaitForResult(func() (bool, error) { return 0 == len(w.watchers), nil },
func(err error) { assert.Equal(0, len(w.watchers), "Should have no deployment") })
}
// Test evaluations are batched between watchers
func TestWatcher_BatchEvals(t *testing.T) {
t.Parallel()
assert := assert.New(t)
w, m := testDeploymentWatcher(t, 1000.0, 1*time.Second)
// Create a job, alloc, for two deployments
j1 := mock.Job()
d1 := mock.Deployment()
d1.JobID = j1.ID
a1 := mock.Alloc()
a1.DeploymentID = d1.ID
j2 := mock.Job()
d2 := mock.Deployment()
d2.JobID = j2.ID
a2 := mock.Alloc()
a2.DeploymentID = d2.ID
assert.Nil(m.state.UpsertJob(m.nextIndex(), j1), "UpsertJob")
assert.Nil(m.state.UpsertJob(m.nextIndex(), j2), "UpsertJob")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d1), "UpsertDeployment")
assert.Nil(m.state.UpsertDeployment(m.nextIndex(), d2), "UpsertDeployment")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a1}), "UpsertAllocs")
assert.Nil(m.state.UpsertAllocs(m.nextIndex(), []*structs.Allocation{a2}), "UpsertAllocs")
w.SetEnabled(true, m.state)
testutil.WaitForResult(func() (bool, error) { return 2 == len(w.watchers), nil },
func(err error) { assert.Equal(2, len(w.watchers), "Should have 2 deployment") })
// Assert that we will get a createEvaluation call only once and it contains
// both deployments. This will verify that the watcher is batching
// allocation changes
m1 := matchUpsertEvals([]string{d1.ID, d2.ID})
m.On("UpsertEvals", mocker.MatchedBy(m1)).Return(nil).Once()
// Update the allocs health to healthy which should create an evaluation
req := &structs.ApplyDeploymentAllocHealthRequest{
DeploymentAllocHealthRequest: structs.DeploymentAllocHealthRequest{
DeploymentID: d1.ID,
HealthyAllocationIDs: []string{a1.ID},
},
}
assert.Nil(m.state.UpdateDeploymentAllocHealth(m.nextIndex(), req), "UpsertDeploymentAllocHealth")
req2 := &structs.ApplyDeploymentAllocHealthRequest{
DeploymentAllocHealthRequest: structs.DeploymentAllocHealthRequest{
DeploymentID: d2.ID,
HealthyAllocationIDs: []string{a2.ID},
},
}
assert.Nil(m.state.UpdateDeploymentAllocHealth(m.nextIndex(), req2), "UpsertDeploymentAllocHealth")
// Wait for there to be one eval for each job
testutil.WaitForResult(func() (bool, error) {
ws := memdb.NewWatchSet()
evals1, err := m.state.EvalsByJob(ws, j1.Namespace, j1.ID)
if err != nil {
return false, err
}
evals2, err := m.state.EvalsByJob(ws, j2.Namespace, j2.ID)
if err != nil {
return false, err
}
if l := len(evals1); l != 1 {
return false, fmt.Errorf("Got %d evals; want 1", l)
}
if l := len(evals2); l != 1 {
return false, fmt.Errorf("Got %d evals; want 1", l)
}
return true, nil
}, func(err error) {
t.Fatal(err)
})
m.AssertCalled(t, "UpsertEvals", mocker.MatchedBy(m1))
testutil.WaitForResult(func() (bool, error) { return 2 == len(w.watchers), nil },
func(err error) { assert.Equal(2, len(w.watchers), "Should have 2 deployment") })
}