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fix: change completed condition so it only triggers on pod hash chang…
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…es also adds an event for when it does changes. (#2203)

* feat: add healthy event/condition and fix completed event/condition

Signed-off-by: zachaller <[email protected]>

* fix unit tests

Signed-off-by: zachaller <[email protected]>

* rename vars to make more sense and remove healthy event becase it will never be consistent

Signed-off-by: zachaller <[email protected]>

* fix unit tests

Signed-off-by: zachaller <[email protected]>

* possible fix for e2e

Signed-off-by: zachaller <[email protected]>

* fix e2e

Signed-off-by: zachaller <[email protected]>

* unit test for complete function

Signed-off-by: zachaller <[email protected]>

* small cleanup and changes to not check generation

Signed-off-by: zachaller <[email protected]>

* fix unit test and proper behavior

Signed-off-by: zachaller <[email protected]>

* Fix e2e

Signed-off-by: zachaller <[email protected]>

* rename and fix one unit test

Signed-off-by: zachaller <[email protected]>

* fix unit tests

Signed-off-by: zachaller <[email protected]>

* fix unit test

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* add seperate test for TestRolloutComplete

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* renames

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* fix e2e

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* Set Completed to false

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* Add event

Signed-off-by: zachaller <[email protected]>

* fix e2e

Signed-off-by: zachaller <[email protected]>

* refactor

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* Fix all but one unit test

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* fix last unit test

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* lint

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* cleanup

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* Rename

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* More renames

Signed-off-by: zachaller <[email protected]>

* small comment change

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Signed-off-by: zachaller <[email protected]>
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@zachaller
zachaller authored Aug 24, 2022
1 parent 69fd80c commit 76cfc0e
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Showing 12 changed files with 358 additions and 143 deletions.
7 changes: 6 additions & 1 deletion pkg/apis/rollouts/v1alpha1/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -987,8 +987,13 @@ const (
RolloutReplicaFailure RolloutConditionType = "ReplicaFailure"
// RolloutPaused means that rollout is in a paused state. It is still progressing at this point.
RolloutPaused RolloutConditionType = "Paused"
// RolloutCompleted means that rollout is in a completed state. It is still progressing at this point.
// RolloutCompleted indicates that the rollout completed its update to the desired revision and is not in the middle
// of any update. Note that a Completed rollout could also be considered Progressing or Degraded, if its Pods become
// unavailable sometime after the update completes.
RolloutCompleted RolloutConditionType = "Completed"
// RolloutHealthy means that rollout is in a completed state and is healthy. Which means that all the pods have been updated
// and are passing their health checks and are ready to serve traffic.
RolloutHealthy RolloutConditionType = "Healthy"
)

// RolloutCondition describes the state of a rollout at a certain point.
Expand Down
81 changes: 62 additions & 19 deletions rollout/analysis_test.go
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127 changes: 76 additions & 51 deletions rollout/bluegreen_test.go
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38 changes: 25 additions & 13 deletions rollout/canary_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,7 @@ func TestCanaryRolloutEnterPauseState(t *testing.T) {
}
}`

conditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "")
conditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "", false)
now := timeutil.MetaNow().UTC().Format(time.RFC3339)
expectedPatchWithoutObservedGen := fmt.Sprintf(expectedPatchTemplate, v1alpha1.PauseReasonCanaryPauseStep, now, conditions, v1alpha1.PauseReasonCanaryPauseStep)
expectedPatch := calculatePatch(r2, expectedPatchWithoutObservedGen)
Expand Down Expand Up @@ -239,6 +239,9 @@ func TestCanaryRolloutUpdatePauseConditionWhilePaused(t *testing.T) {
availableCondition, _ := newAvailableCondition(true)
conditions.SetRolloutCondition(&r2.Status, availableCondition)

completedCondition, _ := newCompletedCondition(false)
conditions.SetRolloutCondition(&r2.Status, completedCondition)

rs1 := newReplicaSetWithStatus(r1, 10, 10)
rs2 := newReplicaSetWithStatus(r2, 0, 0)

Expand Down Expand Up @@ -337,7 +340,7 @@ func TestCanaryRolloutIncrementStepAfterUnPaused(t *testing.T) {
"currentStepIndex": 1
}
}`
generatedConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs2, false, "")
generatedConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs2, false, "", false)
expectedPatch := calculatePatch(r2, fmt.Sprintf(expectedPatchTemplate, generatedConditions))
assert.Equal(t, expectedPatch, patch)
}
Expand Down Expand Up @@ -379,7 +382,7 @@ func TestCanaryRolloutUpdateStatusWhenAtEndOfSteps(t *testing.T) {
}
}`

expectedPatch := fmt.Sprintf(expectedPatchWithoutStableRS, expectedStableRS, generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs2, false, ""))
expectedPatch := fmt.Sprintf(expectedPatchWithoutStableRS, expectedStableRS, generateConditionsPatchWithCompleted(true, conditions.ReplicaSetUpdatedReason, rs2, false, "", true))
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)
}

Expand Down Expand Up @@ -421,7 +424,7 @@ func TestResetCurrentStepIndexOnStepChange(t *testing.T) {
"conditions": %s
}
}`
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "", false)
expectedPatch := fmt.Sprintf(expectedPatchWithoutPodHash, expectedCurrentPodHash, expectedCurrentStepHash, newConditions)
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)

Expand Down Expand Up @@ -462,7 +465,7 @@ func TestResetCurrentStepIndexOnPodSpecChange(t *testing.T) {
"conditions": %s
}
}`
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "", false)

expectedPatch := fmt.Sprintf(expectedPatchWithoutPodHash, expectedCurrentPodHash, newConditions)
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)
Expand Down Expand Up @@ -502,7 +505,7 @@ func TestCanaryRolloutCreateFirstReplicasetNoSteps(t *testing.T) {
}
}`

newConditions := generateConditionsPatch(false, conditions.ReplicaSetUpdatedReason, rs, false, "")
newConditions := generateConditionsPatchWithCompleted(false, conditions.ReplicaSetUpdatedReason, rs, false, "", true)

assert.Equal(t, calculatePatch(r, fmt.Sprintf(expectedPatch, newConditions)), patch)
}
Expand Down Expand Up @@ -542,7 +545,7 @@ func TestCanaryRolloutCreateFirstReplicasetWithSteps(t *testing.T) {
"conditions": %s
}
}`
expectedPatch := fmt.Sprintf(expectedPatchWithSub, generateConditionsPatch(false, conditions.ReplicaSetUpdatedReason, rs, false, ""))
expectedPatch := fmt.Sprintf(expectedPatchWithSub, generateConditionsPatchWithCompleted(false, conditions.ReplicaSetUpdatedReason, rs, false, "", true))

assert.Equal(t, calculatePatch(r, expectedPatch), patch)
}
Expand Down Expand Up @@ -840,7 +843,7 @@ func TestRollBackToStable(t *testing.T) {
"conditions": %s
}
}`
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs1, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs1, false, "", true)
expectedPatch := fmt.Sprintf(expectedPatchWithoutSub, hash.ComputePodTemplateHash(&r2.Spec.Template, r2.Status.CollisionCount), newConditions)
patch := f.getPatchedRollout(patchIndex)
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)
Expand Down Expand Up @@ -883,7 +886,7 @@ func TestGradualShiftToNewStable(t *testing.T) {
"conditions": %s
}
}`
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, r2, false, "", false)
expectedPatch := fmt.Sprintf(expectedPatchWithoutSub, newConditions)
patch := f.getPatchedRollout(patchIndex)
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)
Expand Down Expand Up @@ -931,7 +934,7 @@ func TestRollBackToStableAndStepChange(t *testing.T) {
}`
newPodHash := hash.ComputePodTemplateHash(&r2.Spec.Template, r2.Status.CollisionCount)
newStepHash := conditions.ComputeStepHash(r2)
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs1, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs1, false, "", true)
expectedPatch := fmt.Sprintf(expectedPatchWithoutSub, newPodHash, newStepHash, newConditions)
patch := f.getPatchedRollout(patchIndex)
assert.Equal(t, calculatePatch(r2, expectedPatch), patch)
Expand Down Expand Up @@ -969,7 +972,7 @@ func TestCanaryRolloutIncrementStepIfSetWeightsAreCorrect(t *testing.T) {
"conditions": %s
}
}`
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs3, false, "")
newConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs3, false, "", false)
assert.Equal(t, calculatePatch(r3, fmt.Sprintf(expectedPatch, newConditions)), patch)
}

Expand Down Expand Up @@ -1005,6 +1008,9 @@ func TestSyncRolloutWaitAddToQueue(t *testing.T) {
availableCondition, _ := newAvailableCondition(true)
conditions.SetRolloutCondition(&r2.Status, availableCondition)

completedCondition, _ := newCompletedCondition(false)
conditions.SetRolloutCondition(&r2.Status, completedCondition)

r2.Status.ObservedGeneration = strconv.Itoa(int(r2.Generation))
f.rolloutLister = append(f.rolloutLister, r2)
f.objects = append(f.objects, r2)
Expand Down Expand Up @@ -1053,6 +1059,9 @@ func TestSyncRolloutIgnoreWaitOutsideOfReconciliationPeriod(t *testing.T) {
availableCondition, _ := newAvailableCondition(true)
conditions.SetRolloutCondition(&r2.Status, availableCondition)

completedCondition, _ := newCompletedCondition(false)
conditions.SetRolloutCondition(&r2.Status, completedCondition)

f.rolloutLister = append(f.rolloutLister, r2)
f.objects = append(f.objects, r2)

Expand Down Expand Up @@ -1617,6 +1626,9 @@ func TestHandleNilNewRSOnScaleAndImageChange(t *testing.T) {
availableCondition, _ := newAvailableCondition(true)
conditions.SetRolloutCondition(&r2.Status, availableCondition)

completedCondition, _ := newCompletedCondition(false)
conditions.SetRolloutCondition(&r2.Status, completedCondition)

f.kubeobjects = append(f.kubeobjects, rs1)
f.replicaSetLister = append(f.replicaSetLister, rs1)
f.rolloutLister = append(f.rolloutLister, r2)
Expand Down Expand Up @@ -1672,7 +1684,7 @@ func TestHandleCanaryAbort(t *testing.T) {
}
}`
errmsg := fmt.Sprintf(conditions.RolloutAbortedMessage, 2)
newConditions := generateConditionsPatch(true, conditions.RolloutAbortedReason, r2, false, "")
newConditions := generateConditionsPatch(true, conditions.RolloutAbortedReason, r2, false, "", false)
assert.Equal(t, calculatePatch(r2, fmt.Sprintf(expectedPatch, newConditions, conditions.RolloutAbortedReason, errmsg)), patch)
})

Expand Down Expand Up @@ -1710,7 +1722,7 @@ func TestHandleCanaryAbort(t *testing.T) {
}
}`
errmsg := fmt.Sprintf(conditions.RolloutAbortedMessage, 1)
newConditions := generateConditionsPatch(true, conditions.RolloutAbortedReason, r1, false, "")
newConditions := generateConditionsPatch(true, conditions.RolloutAbortedReason, r1, false, "", true)
assert.Equal(t, calculatePatch(r1, fmt.Sprintf(expectedPatch, newConditions, conditions.RolloutAbortedReason, errmsg)), patch)
})
}
76 changes: 64 additions & 12 deletions rollout/controller_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -193,6 +193,28 @@ func newPausedCondition(isPaused bool) (v1alpha1.RolloutCondition, string) {
return condition, string(conditionBytes)
}

func newHealthyCondition(isHealthy bool) (v1alpha1.RolloutCondition, string) {
status := corev1.ConditionTrue
msg := conditions.RolloutHealthyMessage
if !isHealthy {
status = corev1.ConditionFalse
msg = conditions.RolloutNotHealthyMessage
}
condition := v1alpha1.RolloutCondition{
LastTransitionTime: timeutil.MetaNow(),
LastUpdateTime: timeutil.MetaNow(),
Message: msg,
Reason: conditions.RolloutHealthyReason,
Status: status,
Type: v1alpha1.RolloutHealthy,
}
conditionBytes, err := json.Marshal(condition)
if err != nil {
panic(err)
}
return condition, string(conditionBytes)
}

func newCompletedCondition(isCompleted bool) (v1alpha1.RolloutCondition, string) {
status := corev1.ConditionTrue
if !isCompleted {
Expand Down Expand Up @@ -315,33 +337,57 @@ func newAvailableCondition(available bool) (v1alpha1.RolloutCondition, string) {
return condition, string(conditionBytes)
}

func generateConditionsPatch(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string) string {
func generateConditionsPatch(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isCompleted bool) string {
_, availableCondition := newAvailableCondition(available)
_, progressingCondition := newProgressingCondition(progressingReason, progressingResource, progressingMessage)
_, completedCondition := newCompletedCondition(isCompleted)
if availableConditionFirst {
return fmt.Sprintf("[%s, %s]", availableCondition, progressingCondition)
return fmt.Sprintf("[%s, %s, %s]", availableCondition, progressingCondition, completedCondition)
}
return fmt.Sprintf("[%s, %s]", progressingCondition, availableCondition)
return fmt.Sprintf("[%s, %s, %s]", progressingCondition, availableCondition, completedCondition)
}

func generateConditionsPatchWithPause(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isPaused bool) string {
func generateConditionsPatchWithPause(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isPaused bool, isCompleted bool) string {
_, availableCondition := newAvailableCondition(available)
_, progressingCondition := newProgressingCondition(progressingReason, progressingResource, progressingMessage)
_, pauseCondition := newPausedCondition(isPaused)
_, completedCondition := newCompletedCondition(isCompleted)
if availableConditionFirst {
return fmt.Sprintf("[%s, %s, %s, %s]", availableCondition, completedCondition, progressingCondition, pauseCondition)
}
return fmt.Sprintf("[%s, %s, %s, %s]", progressingCondition, pauseCondition, availableCondition, completedCondition)
}

func generateConditionsPatchWithHealthy(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isHealthy bool, isCompleted bool) string {
_, availableCondition := newAvailableCondition(available)
_, progressingCondition := newProgressingCondition(progressingReason, progressingResource, progressingMessage)
_, healthyCondition := newHealthyCondition(isHealthy)
_, completedCondition := newCompletedCondition(isCompleted)
if availableConditionFirst {
return fmt.Sprintf("[%s, %s, %s]", availableCondition, progressingCondition, pauseCondition)
return fmt.Sprintf("[%s, %s, %s, %s]", availableCondition, completedCondition, healthyCondition, progressingCondition)
}
return fmt.Sprintf("[%s, %s, %s]", progressingCondition, pauseCondition, availableCondition)
return fmt.Sprintf("[%s, %s, %s, %s]", completedCondition, healthyCondition, progressingCondition, availableCondition)
}

func generateConditionsPatchWithComplete(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isCompleted bool) string {
func generateConditionsPatchWithCompleted(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isCompleted bool) string {
_, availableCondition := newAvailableCondition(available)
_, progressingCondition := newProgressingCondition(progressingReason, progressingResource, progressingMessage)
_, completeCondition := newCompletedCondition(isCompleted)
if availableConditionFirst {
return fmt.Sprintf("[%s, %s, %s]", availableCondition, completeCondition, progressingCondition)
return fmt.Sprintf("[%s, %s, %s]", availableCondition, progressingCondition, completeCondition)
}
return fmt.Sprintf("[%s, %s, %s]", progressingCondition, availableCondition, completeCondition)
}

func generateConditionsPatchWithCompletedHealthy(available bool, progressingReason string, progressingResource runtime.Object, availableConditionFirst bool, progressingMessage string, isHealthy bool, isCompleted bool) string {
_, completedCondition := newCompletedCondition(isCompleted)
_, availableCondition := newAvailableCondition(available)
_, progressingCondition := newProgressingCondition(progressingReason, progressingResource, progressingMessage)
_, healthyCondition := newHealthyCondition(isHealthy)
if availableConditionFirst {
return fmt.Sprintf("[%s, %s, %s, %s]", availableCondition, healthyCondition, completedCondition, progressingCondition)
}
return fmt.Sprintf("[%s, %s, %s]", completeCondition, progressingCondition, availableCondition)
return fmt.Sprintf("[%s, %s, %s, %s]", healthyCondition, completedCondition, progressingCondition, availableCondition)
}

func updateConditionsPatch(r v1alpha1.Rollout, newCondition v1alpha1.RolloutCondition) string {
Expand All @@ -351,7 +397,7 @@ func updateConditionsPatch(r v1alpha1.Rollout, newCondition v1alpha1.RolloutCond
}

// func updateBlueGreenRolloutStatus(r *v1alpha1.Rollout, preview, active string, availableReplicas, updatedReplicas, hpaReplicas int32, pause bool, available bool, progressingStatus string) *v1alpha1.Rollout {
func updateBlueGreenRolloutStatus(r *v1alpha1.Rollout, preview, active, stable string, availableReplicas, updatedReplicas, totalReplicas, hpaReplicas int32, pause bool, available bool) *v1alpha1.Rollout {
func updateBlueGreenRolloutStatus(r *v1alpha1.Rollout, preview, active, stable string, availableReplicas, updatedReplicas, totalReplicas, hpaReplicas int32, pause bool, available bool, isCompleted bool) *v1alpha1.Rollout {
newRollout := updateBaseRolloutStatus(r, availableReplicas, updatedReplicas, totalReplicas, hpaReplicas)
selector := newRollout.Spec.Selector.DeepCopy()
if active != "" {
Expand All @@ -363,6 +409,8 @@ func updateBlueGreenRolloutStatus(r *v1alpha1.Rollout, preview, active, stable s
newRollout.Status.StableRS = stable
cond, _ := newAvailableCondition(available)
newRollout.Status.Conditions = append(newRollout.Status.Conditions, cond)
completeCond, _ := newCompletedCondition(isCompleted)
newRollout.Status.Conditions = append(newRollout.Status.Conditions, completeCond)
if pause {
now := timeutil.MetaNow()
cond := v1alpha1.PauseCondition{
Expand Down Expand Up @@ -1390,6 +1438,8 @@ func TestComputeHashChangeTolerationBlueGreen(t *testing.T) {
conditions.SetRolloutCondition(&r.Status, availableCondition)
progressingCondition, _ := newProgressingCondition(conditions.ReplicaSetUpdatedReason, rs, "")
conditions.SetRolloutCondition(&r.Status, progressingCondition)
completedCondition, _ := newCompletedCondition(true)
conditions.SetRolloutCondition(&r.Status, completedCondition)
r.Status.Phase, r.Status.Message = rolloututil.CalculateRolloutPhase(r.Spec, r.Status)

podTemplate := corev1.PodTemplate{
Expand Down Expand Up @@ -1434,6 +1484,8 @@ func TestComputeHashChangeTolerationCanary(t *testing.T) {
conditions.SetRolloutCondition(&r.Status, availableCondition)
progressingCondition, _ := newProgressingCondition(conditions.ReplicaSetUpdatedReason, rs, "")
conditions.SetRolloutCondition(&r.Status, progressingCondition)
completedCondition, _ := newCompletedCondition(true)
conditions.SetRolloutCondition(&r.Status, completedCondition)

podTemplate := corev1.PodTemplate{
Template: rs.Spec.Template,
Expand Down Expand Up @@ -1461,7 +1513,7 @@ func TestSwitchBlueGreenToCanary(t *testing.T) {
activeSvc := newService("active", 80, nil, r)
rs := newReplicaSetWithStatus(r, 1, 1)
rsPodHash := rs.Labels[v1alpha1.DefaultRolloutUniqueLabelKey]
r = updateBlueGreenRolloutStatus(r, "", rsPodHash, rsPodHash, 1, 1, 1, 1, false, true)
r = updateBlueGreenRolloutStatus(r, "", rsPodHash, rsPodHash, 1, 1, 1, 1, false, true, false)
// StableRS is set to avoid running the migration code. When .status.canary.stableRS is removed, the line below can be deleted
//r.Status.Canary.StableRS = rsPodHash
r.Spec.Strategy.BlueGreen = nil
Expand All @@ -1479,7 +1531,7 @@ func TestSwitchBlueGreenToCanary(t *testing.T) {
f.run(getKey(r, t))
patch := f.getPatchedRollout(i)

addedConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs, true, "")
addedConditions := generateConditionsPatch(true, conditions.ReplicaSetUpdatedReason, rs, true, "", true)
expectedPatch := fmt.Sprintf(`{
"status": {
"blueGreen": {
Expand Down
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