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kube-arangodb/pkg/deployment/deployment_run_test.go
2023-05-24 15:12:27 +02:00

283 lines
8.5 KiB
Go

//
// DISCLAIMER
//
// Copyright 2016-2023 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package deployment
import (
"context"
"encoding/json"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
core "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
"github.com/arangodb/kube-arangodb/pkg/deployment/features"
"github.com/arangodb/kube-arangodb/pkg/deployment/resources"
"github.com/arangodb/kube-arangodb/pkg/util"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector"
)
func runTestCases(t *testing.T, testCases ...testCaseStruct) {
// This esure idempotency in generated outputs
for i := 0; i < 25; i++ {
t.Run(fmt.Sprintf("Iteration %d", i), func(t *testing.T) {
for _, testCase := range testCases {
runTestCase(t, testCase)
}
})
}
}
func runTestCase(t *testing.T, testCase testCaseStruct) {
t.Run(testCase.Name, func(t *testing.T) {
// Arrange
if testCase.config.OperatorImage == "" {
testCase.config.OperatorImage = testImageOperator
}
d, eventRecorder := createTestDeployment(t, testCase.config, testCase.ArangoDeployment)
startDepl := d.GetStatus()
errs := 0
for {
require.NoError(t, d.acs.CurrentClusterCache().Refresh(context.Background()))
err := d.resources.EnsureSecrets(context.Background(), d.GetCachedStatus())
if err == nil {
break
}
if errs > 25 {
require.NoError(t, err)
}
errs++
if errors.IsReconcile(err) {
continue
}
require.NoError(t, err)
}
if testCase.Helper != nil {
testCase.Helper(t, d, &testCase)
}
f := startDepl.Members.AsList()
if len(f) == 0 {
f = d.GetStatus().Members.AsList()
}
// Add Expected pod defaults
if !testCase.DropInit {
testCase.ExpectedPod = *defaultPodAppender(t, &testCase.ExpectedPod,
addLifecycle(f[0].Member.ID,
f[0].Group == api.ServerGroupDBServers && f[0].Member.IsInitialized,
testCase.ArangoDeployment.Spec.License.GetSecretName(),
f[0].Group),
podDataSort())
}
// Create custom resource in the fake kubernetes API
_, err := d.deps.Client.Arango().DatabaseV1().ArangoDeployments(testNamespace).Create(context.Background(), d.currentObject, meta.CreateOptions{})
require.NoError(t, err)
if testCase.Resources != nil {
testCase.Resources(t, d)
}
// Set features
{
*features.EncryptionRotation().EnabledPointer() = testCase.Features.EncryptionRotation
*features.Version310().EnabledPointer() = testCase.Features.Version310
require.Equal(t, testCase.Features.EncryptionRotation, *features.EncryptionRotation().EnabledPointer())
*features.JWTRotation().EnabledPointer() = testCase.Features.JWTRotation
*features.TLSSNI().EnabledPointer() = testCase.Features.TLSSNI
if g := testCase.Features.Graceful; g != nil {
*features.GracefulShutdown().EnabledPointer() = *g
} else {
*features.GracefulShutdown().EnabledPointer() = features.GracefulShutdown().EnabledByDefault()
}
*features.TLSRotation().EnabledPointer() = testCase.Features.TLSRotation
}
// Set Pending phase
for _, e := range d.GetStatus().Members.AsList() {
m := e.Member
if m.Phase == api.MemberPhaseNone {
m.Phase = api.MemberPhasePending
require.NoError(t, d.currentObjectStatus.Members.Update(m, e.Group))
}
}
// Set members
var loopErr error
for _, e := range d.GetStatus().Members.AsList() {
m := e.Member
group := e.Group
member := api.ArangoMember{
ObjectMeta: meta.ObjectMeta{
Namespace: d.GetNamespace(),
Name: m.ArangoMemberName(d.GetName(), group),
},
Spec: api.ArangoMemberSpec{
Group: group,
ID: m.ID,
},
}
if _, loopErr = d.acs.CurrentClusterCache().ArangoMemberModInterface().V1().Create(context.Background(), &member, meta.CreateOptions{}); loopErr != nil {
break
}
s := core.Service{
ObjectMeta: meta.ObjectMeta{
Name: member.GetName(),
Namespace: member.GetNamespace(),
},
}
if _, loopErr = d.ServicesModInterface().Create(context.Background(), &s, meta.CreateOptions{}); loopErr != nil {
break
}
require.NoError(t, d.acs.CurrentClusterCache().Refresh(context.Background()))
groupSpec := d.GetSpec().GetServerGroupSpec(group)
image, ok := d.resources.SelectImage(d.GetSpec(), d.GetStatus())
require.True(t, ok)
var template *core.PodTemplateSpec
template, loopErr = d.resources.RenderPodTemplateForMember(context.Background(), d.ACS(), d.GetSpec(), d.GetStatus(), m.ID, image)
if loopErr != nil {
break
}
checksum, err := resources.ChecksumArangoPod(groupSpec, resources.CreatePodFromTemplate(template))
require.NoError(t, err)
podTemplate, err := api.GetArangoMemberPodTemplate(template, checksum)
require.NoError(t, err)
member.Status.Template = podTemplate
member.Spec.Template = podTemplate
if loopErr = inspector.WithArangoMemberUpdate(context.Background(), d.acs.CurrentClusterCache(), member.GetName(), func(in *api.ArangoMember) (bool, error) {
in.Spec.Template = podTemplate
return true, nil
}); loopErr != nil {
break
}
if loopErr = inspector.WithArangoMemberStatusUpdate(context.Background(), d.acs.CurrentClusterCache(), member.GetName(), func(in *api.ArangoMember) (bool, error) {
in.Status.Template = podTemplate
return true, nil
}); loopErr != nil {
break
}
}
if loopErr != nil && testCase.ExpectedError != nil && assert.EqualError(t, loopErr, testCase.ExpectedError.Error()) {
return
}
require.NoError(t, err)
// Act
require.NoError(t, d.acs.CurrentClusterCache().Refresh(context.Background()))
err = d.resources.EnsurePods(context.Background(), d.GetCachedStatus())
// Assert
if testCase.ExpectedError != nil {
if !assert.EqualError(t, err, testCase.ExpectedError.Error()) {
println(fmt.Sprintf("%+v", err))
}
return
}
require.NoError(t, err)
pods, err := d.deps.Client.Kubernetes().CoreV1().Pods(testNamespace).List(context.Background(), meta.ListOptions{})
require.NoError(t, err)
require.Len(t, pods.Items, 1)
if util.TypeOrDefault[bool](testCase.CompareChecksum, true) {
compareSpec(t, testCase.ExpectedPod.Spec, pods.Items[0].Spec)
}
require.Equal(t, testCase.ExpectedPod.Spec, pods.Items[0].Spec)
require.Equal(t, testCase.ExpectedPod.ObjectMeta, pods.Items[0].ObjectMeta)
if len(testCase.ExpectedEvent) > 0 {
select {
case msg := <-eventRecorder.Events:
assert.Contains(t, msg, testCase.ExpectedEvent)
default:
assert.Fail(t, "expected event", "expected event with message '%s'", testCase.ExpectedEvent)
}
status := d.GetStatus()
checkEachMember := func(group api.ServerGroup, groupSpec api.ServerGroupSpec, status *api.MemberStatusList) error {
for _, m := range *status {
require.Equal(t, api.MemberPhaseCreated, m.Phase)
_, exist := m.Conditions.Get(api.ConditionTypeReady)
require.Equal(t, false, exist)
_, exist = m.Conditions.Get(api.ConditionTypeTerminated)
require.Equal(t, false, exist)
_, exist = m.Conditions.Get(api.ConditionTypeTerminating)
require.Equal(t, false, exist)
_, exist = m.Conditions.Get(api.ConditionTypeAgentRecoveryNeeded)
require.Equal(t, false, exist)
_, exist = m.Conditions.Get(api.ConditionTypeAutoUpgrade)
require.Equal(t, false, exist)
require.NotNil(t, m.Image)
require.True(t, m.Image.Equal(d.currentObject.Status.CurrentImage))
}
return nil
}
d.GetServerGroupIterator().ForeachServerGroupAccepted(checkEachMember, &status)
}
})
}
func compareSpec(t *testing.T, a, b core.PodSpec) {
ac, err := k8sutil.GetPodSpecChecksum(a)
require.NoError(t, err)
bc, err := k8sutil.GetPodSpecChecksum(b)
require.NoError(t, err)
aj, err := json.Marshal(a)
require.NoError(t, err)
bj, err := json.Marshal(b)
require.NoError(t, err)
require.Equal(t, string(aj), string(bj))
require.Equal(t, ac, bc)
}