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// Copyright 2018 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// nolint:goconst
package fleets
import (
"context"
"encoding/json"
"net/http"
"testing"
"time"
"agones.dev/agones/pkg/apis"
agonesv1 "agones.dev/agones/pkg/apis/agones/v1"
v1 "agones.dev/agones/pkg/apis/agones/v1"
agonesv1clientset "agones.dev/agones/pkg/client/clientset/versioned/typed/agones/v1"
agonesv1client "agones.dev/agones/pkg/client/listers/agones/v1"
agtesting "agones.dev/agones/pkg/testing"
utilruntime "agones.dev/agones/pkg/util/runtime"
"agones.dev/agones/pkg/util/webhooks"
"github.com/heptiolabs/healthcheck"
"github.com/mattbaird/jsonpatch"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
admissionv1 "k8s.io/api/admission/v1"
appsv1 "k8s.io/api/apps/v1"
autoscalingv1 "k8s.io/api/autoscaling/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/watch"
k8stesting "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
)
func TestControllerSyncFleet(t *testing.T) {
t.Parallel()
t.Run("no gameserverset, create it", func(t *testing.T) {
f := defaultFixture()
c, m := newFakeController()
created := false
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
ca := action.(k8stesting.CreateAction)
gsSet := ca.GetObject().(*agonesv1.GameServerSet)
created = true
assert.True(t, metav1.IsControlledBy(gsSet, f))
assert.Equal(t, f.Spec.Replicas, gsSet.Spec.Replicas)
return true, gsSet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
assert.True(t, created, "gameserverset should have been created")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "CreatingGameServerSet")
})
t.Run("gameserverset with the same number of replicas", func(t *testing.T) {
t.Parallel()
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RecreateDeploymentStrategyType
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.Name = "gsSet1"
gsSet.ObjectMeta.UID = "4321"
gsSet.Spec.Replicas = f.Spec.Replicas
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "gameserverset should not be created")
return true, nil, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "gameserverset should not have been updated")
return true, nil, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
agtesting.AssertNoEvent(t, m.FakeRecorder.Events)
})
t.Run("gameserverset with different number of replicas", func(t *testing.T) {
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RecreateDeploymentStrategyType
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.Name = "gsSet1"
gsSet.ObjectMeta.UID = "1234"
gsSet.Spec.Replicas = f.Spec.Replicas + 10
updated := false
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
gsSet := ua.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, f.Spec.Replicas, gsSet.Spec.Replicas)
return true, gsSet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
assert.True(t, updated, "gameserverset should have been updated")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "ScalingGameServerSet")
})
t.Run("gameserverset with different scheduling", func(t *testing.T) {
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RecreateDeploymentStrategyType
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.Name = "gsSet1"
gsSet.ObjectMeta.UID = "1234"
gsSet.Spec.Replicas = f.Spec.Replicas
gsSet.Spec.Scheduling = apis.Distributed
updated := false
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
gsSet := ua.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, f.Spec.Replicas, gsSet.Spec.Replicas)
assert.Equal(t, f.Spec.Scheduling, gsSet.Spec.Scheduling)
return true, gsSet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
assert.True(t, updated, "gameserverset should have been updated")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "ScalingGameServerSet")
})
t.Run("gameserverset with different image details", func(t *testing.T) {
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RollingUpdateDeploymentStrategyType
f.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 5555}}
f.Status.ReadyReplicas = 5
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.Name = "gsSet1"
gsSet.ObjectMeta.UID = "4321"
gsSet.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 7777}}
gsSet.Spec.Replicas = f.Spec.Replicas
gsSet.Spec.Scheduling = f.Spec.Scheduling
gsSet.Status.Replicas = 5
updated := false
created := false
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
created = true
ca := action.(k8stesting.CreateAction)
gsSet := ca.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, int32(2), gsSet.Spec.Replicas)
assert.Equal(t, f.Spec.Template.Spec.Ports[0].HostPort, gsSet.Spec.Template.Spec.Ports[0].HostPort)
return true, gsSet, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
// separate update of status subresource
if ua.GetSubresource() != "" {
assert.Equal(t, ua.GetSubresource(), "status")
return true, nil, nil
}
// update main resource
gsSet := ua.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, int32(4), gsSet.Spec.Replicas)
assert.Equal(t, "gsSet1", gsSet.ObjectMeta.Name)
return true, gsSet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
assert.True(t, updated, "gameserverset should have been updated")
assert.True(t, created, "gameserverset should have been created")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "ScalingGameServerSet")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "CreatingGameServerSet")
})
t.Run("fleet marked for deletion shouldn't take any action on gameserver sets", func(t *testing.T) {
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RollingUpdateDeploymentStrategyType
f.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 5555}}
f.Status.ReadyReplicas = 5
f.DeletionTimestamp = &metav1.Time{
Time: time.Now(),
}
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.Name = "gsSet1"
gsSet.ObjectMeta.UID = "4321"
gsSet.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 7777}}
gsSet.Spec.Replicas = f.Spec.Replicas
gsSet.Spec.Scheduling = f.Spec.Scheduling
gsSet.Status.Replicas = 5
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "gameserverset should not have been created")
return false, nil, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "gameserverset should not have been updated")
return false, nil, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.Nil(t, err)
agtesting.AssertNoEvent(t, m.FakeRecorder.Events)
})
t.Run("error on getting fleet", func(t *testing.T) {
c, _ := newFakeController()
c.fleetLister = &fakeFleetListerWithErr{}
err := c.syncFleet(context.Background(), "default/fleet-1")
assert.EqualError(t, err, "error retrieving fleet fleet-1 from namespace default: err-from-namespace-lister")
})
t.Run("error on getting list of GS", func(t *testing.T) {
f := defaultFixture()
c, m := newFakeController()
c.gameServerSetLister = &fakeGSSListerWithErr{}
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.EqualError(t, err, "error listing gameserversets for fleet fleet-1: random-err")
})
t.Run("fleet not found", func(t *testing.T) {
c, _ := newFakeController()
err := c.syncFleet(context.Background(), "default/fleet-1")
assert.Nil(t, err)
})
t.Run("fleet invalid strategy type", func(t *testing.T) {
f := defaultFixture()
c, m := newFakeController()
f.Spec.Strategy.Type = "invalid-strategy-type"
gsSet := f.GameServerSet()
// make gsSet.Spec.Template and f.Spec.Template different in order to make 'rest' list not empty
gsSet.Spec.Template.ClusterName = "qqqqqqqqqqqqqqqqqqq"
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.EqualError(t, err, "unexpected deployment strategy type: invalid-strategy-type")
})
t.Run("error on deleteEmptyGameServerSets", func(t *testing.T) {
f := defaultFixture()
c, m := newFakeController()
gsSet := f.GameServerSet()
// make gsSet.Spec.Template and f.Spec.Template different in order to make 'rest' list not empty
gsSet.Spec.Template.ClusterName = "qqqqqqqqqqqqqqqqqqq"
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("delete", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, nil, errors.New("random-err")
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.EqualError(t, err, "error updating gameserverset : random-err")
})
t.Run("error on upsertGameServerSet", func(t *testing.T) {
f := defaultFixture()
c, m := newFakeController()
gsSet := f.GameServerSet()
m.AgonesClient.AddReactor("list", "fleets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.FleetList{Items: []agonesv1.Fleet{*f}}, nil
})
m.AgonesClient.AddReactor("list", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet}}, nil
})
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, nil, errors.New("random-err")
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.syncFleet(ctx, "default/fleet-1")
assert.EqualError(t, err, "error creating gameserverset for fleet fleet-1: random-err")
})
}
func TestControllerCreationValidationHandler(t *testing.T) {
t.Parallel()
t.Run("invalid JSON", func(t *testing.T) {
c, _ := newFakeController()
raw, err := json.Marshal([]byte(`1`))
require.NoError(t, err)
review := getAdmissionReview(raw)
_, err = c.creationValidationHandler(review)
assert.EqualError(t, err, "error unmarshalling original Fleet json: \"MQ==\": json: cannot unmarshal string into Go value of type v1.Fleet")
})
t.Run("invalid fleet", func(t *testing.T) {
c, _ := newFakeController()
fixture := agonesv1.Fleet{}
raw, err := json.Marshal(fixture)
require.NoError(t, err)
review := getAdmissionReview(raw)
result, err := c.creationValidationHandler(review)
require.NoError(t, err)
assert.False(t, result.Response.Allowed)
assert.Equal(t, "Failure", result.Response.Result.Status)
})
t.Run("valid fleet", func(t *testing.T) {
c, _ := newFakeController()
gsSpec := *defaultGSSpec()
f := defaultFixture()
f.Spec.Template = gsSpec
raw, err := json.Marshal(f)
require.NoError(t, err)
review := getAdmissionReview(raw)
result, err := c.creationValidationHandler(review)
require.NoError(t, err)
assert.True(t, result.Response.Allowed)
})
}
func TestControllerCreationMutationHandler(t *testing.T) {
t.Parallel()
t.Run("ok scenario", func(t *testing.T) {
c, _ := newFakeController()
fixture := agonesv1.Fleet{}
raw, err := json.Marshal(fixture)
require.NoError(t, err)
review := getAdmissionReview(raw)
result, err := c.creationMutationHandler(review)
require.NoError(t, err)
assert.True(t, result.Response.Allowed)
assert.Equal(t, admissionv1.PatchTypeJSONPatch, *result.Response.PatchType)
patch := &jsonpatch.ByPath{}
err = json.Unmarshal(result.Response.Patch, patch)
require.NoError(t, err)
assertContains := func(patch *jsonpatch.ByPath, op jsonpatch.JsonPatchOperation) {
found := false
for _, p := range *patch {
if assert.ObjectsAreEqualValues(p, op) {
found = true
}
}
assert.True(t, found, "Could not find operation %#v in patch %v", op, *patch)
}
assertContains(patch, jsonpatch.JsonPatchOperation{Operation: "add", Path: "/spec/strategy/type", Value: "RollingUpdate"})
})
t.Run("invalid JSON", func(t *testing.T) {
c, _ := newFakeController()
raw, err := json.Marshal([]byte(`1`))
require.NoError(t, err)
review := getAdmissionReview(raw)
_, err = c.creationMutationHandler(review)
assert.EqualError(t, err, "error unmarshalling original Fleet json: \"MQ==\": json: cannot unmarshal string into Go value of type v1.Fleet")
})
}
func TestControllerRun(t *testing.T) {
t.Parallel()
fleet := defaultFixture()
c, m := newFakeController()
received := make(chan string)
defer close(received)
m.ExtClient.AddReactor("get", "customresourcedefinitions", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, agtesting.NewEstablishedCRD(), nil
})
fleetWatch := watch.NewFake()
m.AgonesClient.AddWatchReactor("fleets", k8stesting.DefaultWatchReactor(fleetWatch, nil))
gsSetWatch := watch.NewFake()
m.AgonesClient.AddWatchReactor("gameserversets", k8stesting.DefaultWatchReactor(gsSetWatch, nil))
c.workerqueue.SyncHandler = func(_ context.Context, name string) error {
received <- name
return nil
}
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced)
defer cancel()
go func() {
err := c.Run(ctx, 1)
assert.Nil(t, err)
}()
f := func() string {
select {
case result := <-received:
return result
case <-time.After(3 * time.Second):
assert.FailNow(t, "timeout occurred")
}
return ""
}
expected, err := cache.MetaNamespaceKeyFunc(fleet)
require.NoError(t, err)
// test adding fleet
fleetWatch.Add(fleet.DeepCopy())
assert.Equal(t, expected, f())
// test updating fleet
fCopy := fleet.DeepCopy()
fCopy.Spec.Replicas += 10
fleetWatch.Modify(fCopy)
assert.Equal(t, expected, f())
// test add/update of gameserver set
gsSet := fleet.GameServerSet()
gsSet.ObjectMeta.Name = "gs1"
gsSet.ObjectMeta.GenerateName = ""
gsSetWatch.Add(gsSet)
assert.Equal(t, expected, f())
gsSet.Spec.Replicas += 10
gsSetWatch.Modify(gsSet)
assert.Equal(t, expected, f())
}
func TestControllerUpdateFleetStatus(t *testing.T) {
t.Parallel()
t.Run("update, no errors", func(t *testing.T) {
fleet := defaultFixture()
c, m := newFakeController()
gsSet1 := fleet.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
gsSet1.Status.Replicas = 3
gsSet1.Status.ReadyReplicas = 2
gsSet1.Status.ReservedReplicas = 4
gsSet1.Status.AllocatedReplicas = 1
gsSet2 := fleet.GameServerSet()
// nolint:goconst
gsSet2.ObjectMeta.Name = "gsSet2"
gsSet2.Status.Replicas = 5
gsSet2.Status.ReadyReplicas = 5
gsSet2.Status.ReservedReplicas = 3
gsSet2.Status.AllocatedReplicas = 2
m.AgonesClient.AddReactor("list", "gameserversets",
func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet1, *gsSet2}}, nil
})
updated := false
m.AgonesClient.AddReactor("update", "fleets",
func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
fleet := ua.GetObject().(*agonesv1.Fleet)
assert.Equal(t, gsSet1.Status.Replicas+gsSet2.Status.Replicas, fleet.Status.Replicas)
assert.Equal(t, gsSet1.Status.ReadyReplicas+gsSet2.Status.ReadyReplicas, fleet.Status.ReadyReplicas)
assert.Equal(t, gsSet1.Status.ReservedReplicas+gsSet2.Status.ReservedReplicas, fleet.Status.ReservedReplicas)
assert.Equal(t, gsSet1.Status.AllocatedReplicas+gsSet2.Status.AllocatedReplicas, fleet.Status.AllocatedReplicas)
return true, fleet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.updateFleetStatus(ctx, fleet)
assert.Nil(t, err)
assert.True(t, updated)
})
t.Run("list gameservers returns an error", func(t *testing.T) {
fleet := defaultFixture()
c, _ := newFakeController()
c.gameServerSetLister = &fakeGSSListerWithErr{}
err := c.updateFleetStatus(context.Background(), fleet)
assert.EqualError(t, err, "error listing gameserversets for fleet fleet-1: random-err")
})
t.Run("fleets getter returns an error", func(t *testing.T) {
fleet := defaultFixture()
c, _ := newFakeController()
c.fleetGetter = &fakeFleetsGetterWithErr{}
err := c.updateFleetStatus(context.Background(), fleet)
assert.EqualError(t, err, "err-from-fleet-getter")
})
}
func TestControllerUpdateFleetPlayerStatus(t *testing.T) {
t.Parallel()
utilruntime.FeatureTestMutex.Lock()
defer utilruntime.FeatureTestMutex.Unlock()
require.NoError(t, utilruntime.ParseFeatures(string(utilruntime.FeaturePlayerTracking)+"=true"))
fleet := defaultFixture()
c, m := newFakeController()
gsSet1 := fleet.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
gsSet1.Status.Players = &agonesv1.AggregatedPlayerStatus{
Count: 5,
Capacity: 10,
}
gsSet2 := fleet.GameServerSet()
gsSet2.ObjectMeta.Name = "gsSet2"
gsSet2.Status.Players = &agonesv1.AggregatedPlayerStatus{
Count: 10,
Capacity: 20,
}
m.AgonesClient.AddReactor("list", "gameserversets",
func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, &agonesv1.GameServerSetList{Items: []agonesv1.GameServerSet{*gsSet1, *gsSet2}}, nil
})
updated := false
m.AgonesClient.AddReactor("update", "fleets",
func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
fleet := ua.GetObject().(*agonesv1.Fleet)
assert.Equal(t, gsSet1.Status.Players.Count+gsSet2.Status.Players.Count, fleet.Status.Players.Count)
assert.Equal(t, gsSet1.Status.Players.Capacity+gsSet2.Status.Players.Capacity, fleet.Status.Players.Capacity)
return true, fleet, nil
})
ctx, cancel := agtesting.StartInformers(m, c.fleetSynced, c.gameServerSetSynced)
defer cancel()
err := c.updateFleetStatus(ctx, fleet)
assert.Nil(t, err)
assert.True(t, updated)
}
func TestControllerFilterGameServerSetByActive(t *testing.T) {
t.Parallel()
f := defaultFixture()
c, _ := newFakeController()
// the same GameServer Template
gsSet1 := f.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
// different GameServer Template
gsSet2 := f.GameServerSet()
gsSet2.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 9999}}
// one active
active, rest := c.filterGameServerSetByActive(f, []*agonesv1.GameServerSet{gsSet1, gsSet2})
assert.Equal(t, gsSet1, active)
assert.Equal(t, []*agonesv1.GameServerSet{gsSet2}, rest)
// none active
gsSet1.Spec.Template.Spec.Ports = []agonesv1.GameServerPort{{HostPort: 9999}}
active, rest = c.filterGameServerSetByActive(f, []*agonesv1.GameServerSet{gsSet1, gsSet2})
assert.Nil(t, active)
assert.Equal(t, []*agonesv1.GameServerSet{gsSet1, gsSet2}, rest)
}
func TestControllerRecreateDeployment(t *testing.T) {
t.Parallel()
f := defaultFixture()
f.Spec.Strategy.Type = appsv1.RecreateDeploymentStrategyType
f.Spec.Replicas = 10
gsSet1 := f.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
gsSet1.Spec.Replicas = 10
gsSet2 := f.GameServerSet()
gsSet2.ObjectMeta.Name = "gsSet2"
gsSet2.Spec.Replicas = 0
gsSet2.Status.AllocatedReplicas = 1
t.Run("ok scenario", func(t *testing.T) {
c, m := newFakeController()
updated := false
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
gsSet := ua.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, gsSet1.ObjectMeta.Name, gsSet.ObjectMeta.Name)
assert.Equal(t, int32(0), gsSet.Spec.Replicas)
return true, gsSet, nil
})
replicas, err := c.recreateDeployment(context.Background(), f, []*agonesv1.GameServerSet{gsSet1, gsSet2})
require.NoError(t, err)
assert.True(t, updated)
assert.Equal(t, f.Spec.Replicas-1, replicas)
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "ScalingGameServerSet")
})
t.Run("error on update", func(t *testing.T) {
c, m := newFakeController()
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, nil, errors.New("random-err")
})
_, err := c.recreateDeployment(context.Background(), f, []*agonesv1.GameServerSet{gsSet1, gsSet2})
assert.EqualError(t, err, "error updating gameserverset gsSet1: random-err")
})
}
func TestControllerApplyDeploymentStrategy(t *testing.T) {
t.Parallel()
type expected struct {
inactiveReplicas int32
replicas int32
}
fixtures := map[string]struct {
strategyType appsv1.DeploymentStrategyType
gsSet1StatusReplicas int32
gsSet2StatusReplicas int32
expected expected
}{
string(appsv1.RecreateDeploymentStrategyType): {
strategyType: appsv1.RecreateDeploymentStrategyType,
gsSet1StatusReplicas: 0,
gsSet2StatusReplicas: 0,
expected: expected{
inactiveReplicas: 0,
replicas: 10,
},
},
string(appsv1.RollingUpdateDeploymentStrategyType): {
strategyType: appsv1.RecreateDeploymentStrategyType,
gsSet1StatusReplicas: 10,
gsSet2StatusReplicas: 1,
expected: expected{
inactiveReplicas: 7,
replicas: 2,
},
},
}
for k, v := range fixtures {
t.Run(k, func(t *testing.T) {
f := defaultFixture()
f.Spec.Strategy.Type = v.strategyType
f.Spec.Replicas = 10
gsSet1 := f.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
gsSet1.Spec.Replicas = 10
gsSet1.Status.Replicas = v.gsSet1StatusReplicas
gsSet2 := f.GameServerSet()
gsSet2.ObjectMeta.Name = "gsSet2"
gsSet2.Spec.Replicas = 0
gsSet2.Status.Replicas = v.gsSet2StatusReplicas
c, m := newFakeController()
updated := false
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
updated = true
ua := action.(k8stesting.UpdateAction)
gsSet := ua.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, gsSet1.ObjectMeta.Name, gsSet.ObjectMeta.Name)
assert.Equal(t, int32(0), gsSet.Spec.Replicas)
return true, gsSet, nil
})
replicas, err := c.applyDeploymentStrategy(context.Background(), f, f.GameServerSet(), []*agonesv1.GameServerSet{gsSet1, gsSet2})
require.NoError(t, err)
assert.True(t, updated, "update should happen")
assert.Equal(t, f.Spec.Replicas, replicas)
})
}
t.Run("a single gameserverset", func(t *testing.T) {
f := defaultFixture()
f.Spec.Replicas = 10
gsSet1 := f.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
c, _ := newFakeController()
replicas, err := c.applyDeploymentStrategy(context.Background(), f, f.GameServerSet(), []*agonesv1.GameServerSet{})
require.NoError(t, err)
assert.Equal(t, f.Spec.Replicas, replicas)
})
}
func TestControllerUpsertGameServerSet(t *testing.T) {
t.Parallel()
f := defaultFixture()
replicas := int32(10)
t.Run("insert", func(t *testing.T) {
c, m := newFakeController()
gsSet := f.GameServerSet()
created := false
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
created = true
ca := action.(k8stesting.CreateAction)
gsSet := ca.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, replicas, gsSet.Spec.Replicas)
return true, gsSet, nil
})
err := c.upsertGameServerSet(context.Background(), f, gsSet, replicas)
assert.Nil(t, err)
assert.True(t, created, "Should be created")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "CreatingGameServerSet")
})
t.Run("update", func(t *testing.T) {
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.UID = "1234"
gsSet.Spec.Replicas = replicas + 10
update := false
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
update = true
ca := action.(k8stesting.UpdateAction)
gsSet := ca.GetObject().(*agonesv1.GameServerSet)
assert.Equal(t, replicas, gsSet.Spec.Replicas)
return true, gsSet, nil
})
err := c.upsertGameServerSet(context.Background(), f, gsSet, replicas)
assert.Nil(t, err)
assert.True(t, update, "Should be updated")
agtesting.AssertEventContains(t, m.FakeRecorder.Events, "ScalingGameServerSet")
})
t.Run("error updating gss replicas", func(t *testing.T) {
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.UID = "1234"
gsSet.Spec.Replicas = replicas + 10
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, nil, errors.New("random-err")
})
err := c.upsertGameServerSet(context.Background(), f, gsSet, replicas)
assert.EqualError(t, err, "error updating replicas for gameserverset for fleet fleet-1: random-err")
})
t.Run("error on gs status update", func(t *testing.T) {
c, m := newFakeController()
gsSet := f.GameServerSet()
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
return true, nil, errors.New("random-err")
})
err := c.upsertGameServerSet(context.Background(), f, gsSet, replicas)
assert.EqualError(t, err, "error updating status of gameserverset for fleet fleet-1: random-err")
})
t.Run("nothing happens, nil is returned", func(t *testing.T) {
t.Parallel()
c, m := newFakeController()
gsSet := f.GameServerSet()
gsSet.ObjectMeta.UID = "1234"
gsSet.Spec.Replicas = replicas
m.AgonesClient.AddReactor("create", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "should not create")
return false, nil, nil
})
m.AgonesClient.AddReactor("update", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
assert.FailNow(t, "should not update")
return false, nil, nil
})
err := c.upsertGameServerSet(context.Background(), f, gsSet, replicas)
assert.Nil(t, err)
agtesting.AssertNoEvent(t, m.FakeRecorder.Events)
})
}
func TestResourcesRequestsAndLimits(t *testing.T) {
t.Parallel()
gsSpec := *defaultGSSpec()
c, _ := newFakeController()
f := defaultFixture()
f.Spec.Template = gsSpec
f.Spec.Template.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU] = resource.MustParse("1000m")
// Semantically equal definition, 1 == 1000m CPU
gsSet1 := f.GameServerSet()
gsSet1.Spec.Template = gsSpec
gsSet1.Spec.Template.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU] = resource.MustParse("1")
// Absolutely different GameServer Spec, 1.1 CPU
gsSet3 := f.GameServerSet()
gsSet3.Spec.Template = *gsSpec.DeepCopy()
gsSet3.Spec.Template.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU] = resource.MustParse("1.1")
active, rest := c.filterGameServerSetByActive(f, []*agonesv1.GameServerSet{gsSet1, gsSet3})
assert.Equal(t, gsSet1, active)
assert.Equal(t, []*agonesv1.GameServerSet{gsSet3}, rest)
gsSet2 := f.GameServerSet()
gsSet2.Spec.Template = *gsSpec.DeepCopy()
gsSet2.Spec.Template.Spec.Template.Spec.Containers[0].Resources.Limits[corev1.ResourceCPU] = resource.MustParse("1000m")
active, rest = c.filterGameServerSetByActive(f, []*agonesv1.GameServerSet{gsSet2, gsSet3})
assert.Equal(t, gsSet2, active)
assert.Equal(t, []*agonesv1.GameServerSet{gsSet3}, rest)
}
func TestControllerDeleteEmptyGameServerSets(t *testing.T) {
t.Parallel()
f := defaultFixture()
gsSet1 := f.GameServerSet()
gsSet1.ObjectMeta.Name = "gsSet1"
gsSet1.Spec.Replicas = 10
gsSet1.Status.Replicas = 10
gsSet2 := f.GameServerSet()
gsSet2.ObjectMeta.Name = "gsSet2"
gsSet2.Spec.Replicas = 0
gsSet2.Status.Replicas = 0
c, m := newFakeController()
deleted := false
m.AgonesClient.AddReactor("delete", "gameserversets", func(action k8stesting.Action) (bool, runtime.Object, error) {
deleted = true
da := action.(k8stesting.DeleteAction)
assert.Equal(t, gsSet2.ObjectMeta.Name, da.GetName())
return true, nil, nil
})
err := c.deleteEmptyGameServerSets(context.Background(), f, []*agonesv1.GameServerSet{gsSet1, gsSet2})
assert.Nil(t, err)
assert.True(t, deleted, "delete should happen")
}