mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
294 lines
8.5 KiB
Go
294 lines
8.5 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package deployment
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import (
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"context"
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"encoding/json"
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"fmt"
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"testing"
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"github.com/arangodb/kube-arangodb/pkg/deployment/features"
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"github.com/arangodb/kube-arangodb/pkg/deployment/resources"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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"github.com/rs/zerolog/log"
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"github.com/arangodb/kube-arangodb/pkg/util"
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"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
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core "k8s.io/api/core/v1"
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api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func runTestCases(t *testing.T, testCases ...testCaseStruct) {
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// This esure idempotency in generated outputs
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for i := 0; i < 25; i++ {
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t.Run(fmt.Sprintf("Iteration %d", i), func(t *testing.T) {
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for _, testCase := range testCases {
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runTestCase(t, testCase)
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}
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})
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}
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}
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func runTestCase(t *testing.T, testCase testCaseStruct) {
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t.Run(testCase.Name, func(t *testing.T) {
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// Arrange
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if testCase.config.OperatorImage == "" {
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testCase.config.OperatorImage = testImageOperator
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}
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d, eventRecorder := createTestDeployment(t, testCase.config, testCase.ArangoDeployment)
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startDepl := d.status.last.DeepCopy()
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errs := 0
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for {
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require.NoError(t, d.currentState.Refresh(context.Background()))
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err := d.resources.EnsureSecrets(context.Background(), log.Logger, d.GetCachedStatus())
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if err == nil {
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break
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}
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if errs > 25 {
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require.NoError(t, err)
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}
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errs++
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if errors.IsReconcile(err) {
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continue
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}
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require.NoError(t, err)
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}
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if testCase.Helper != nil {
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testCase.Helper(t, d, &testCase)
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}
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f := startDepl.Members.AsList()
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if len(f) == 0 {
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f = d.status.last.Members.AsList()
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}
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// Add Expected pod defaults
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if !testCase.DropInit {
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testCase.ExpectedPod = *defaultPodAppender(t, &testCase.ExpectedPod,
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addLifecycle(f[0].Member.ID,
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f[0].Group == api.ServerGroupDBServers && f[0].Member.IsInitialized,
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testCase.ArangoDeployment.Spec.License.GetSecretName(),
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f[0].Group),
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podDataSort())
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}
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// Create custom resource in the fake kubernetes API
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_, err := d.deps.Client.Arango().DatabaseV1().ArangoDeployments(testNamespace).Create(context.Background(), d.apiObject, metav1.CreateOptions{})
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require.NoError(t, err)
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if testCase.Resources != nil {
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testCase.Resources(t, d)
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}
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// Set features
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{
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*features.EncryptionRotation().EnabledPointer() = testCase.Features.EncryptionRotation
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require.Equal(t, testCase.Features.EncryptionRotation, *features.EncryptionRotation().EnabledPointer())
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*features.JWTRotation().EnabledPointer() = testCase.Features.JWTRotation
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*features.TLSSNI().EnabledPointer() = testCase.Features.TLSSNI
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if g := testCase.Features.Graceful; g != nil {
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*features.GracefulShutdown().EnabledPointer() = *g
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} else {
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*features.GracefulShutdown().EnabledPointer() = features.GracefulShutdown().EnabledByDefault()
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}
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*features.TLSRotation().EnabledPointer() = testCase.Features.TLSRotation
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}
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// Set Pending phase
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require.NoError(t, d.status.last.Members.ForeachServerGroup(func(group api.ServerGroup, list api.MemberStatusList) error {
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for _, m := range list {
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if m.Phase == api.MemberPhaseNone {
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m.Phase = api.MemberPhasePending
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if err := d.status.last.Members.Update(m, group); err != nil {
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return err
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}
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}
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}
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return nil
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}))
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// Set members
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if err := d.status.last.Members.ForeachServerGroup(func(group api.ServerGroup, list api.MemberStatusList) error {
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for _, m := range list {
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member := api.ArangoMember{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: d.GetNamespace(),
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Name: m.ArangoMemberName(d.GetName(), group),
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},
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Spec: api.ArangoMemberSpec{
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Group: group,
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ID: m.ID,
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},
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}
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c := d.WithCurrentArangoMember(m.ArangoMemberName(d.GetName(), group))
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if err := c.Create(context.Background(), &member); err != nil {
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return err
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}
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s := core.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: member.GetName(),
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Namespace: member.GetNamespace(),
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},
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}
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if _, err := d.ServicesModInterface().Create(context.Background(), &s, metav1.CreateOptions{}); err != nil {
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return err
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}
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require.NoError(t, d.currentState.Refresh(context.Background()))
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groupSpec := d.apiObject.Spec.GetServerGroupSpec(group)
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image, ok := d.resources.SelectImage(d.apiObject.Spec, d.status.last)
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require.True(t, ok)
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template, err := d.resources.RenderPodTemplateForMember(context.Background(), d.ACS(), d.apiObject.Spec, d.status.last, m.ID, image)
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if err != nil {
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return err
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}
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checksum, err := resources.ChecksumArangoPod(groupSpec, resources.CreatePodFromTemplate(template))
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require.NoError(t, err)
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podTemplate, err := api.GetArangoMemberPodTemplate(template, checksum)
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require.NoError(t, err)
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member.Status.Template = podTemplate
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member.Spec.Template = podTemplate
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if err := c.Update(context.Background(), func(obj *api.ArangoMember) bool {
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obj.Spec.Template = podTemplate
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return true
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}); err != nil {
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return err
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}
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if err := c.UpdateStatus(context.Background(), func(obj *api.ArangoMember, s *api.ArangoMemberStatus) bool {
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s.Template = podTemplate
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return true
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}); err != nil {
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return err
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}
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}
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return nil
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}); err != nil {
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if testCase.ExpectedError != nil && assert.EqualError(t, err, testCase.ExpectedError.Error()) {
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return
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}
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require.NoError(t, err)
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}
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// Act
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require.NoError(t, d.currentState.Refresh(context.Background()))
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err = d.resources.EnsurePods(context.Background(), d.GetCachedStatus())
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// Assert
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if testCase.ExpectedError != nil {
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if !assert.EqualError(t, err, testCase.ExpectedError.Error()) {
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println(fmt.Sprintf("%+v", err))
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}
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return
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}
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require.NoError(t, err)
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pods, err := d.deps.Client.Kubernetes().CoreV1().Pods(testNamespace).List(context.Background(), metav1.ListOptions{})
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require.NoError(t, err)
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require.Len(t, pods.Items, 1)
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if util.BoolOrDefault(testCase.CompareChecksum, true) {
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compareSpec(t, testCase.ExpectedPod.Spec, pods.Items[0].Spec)
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}
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require.Equal(t, testCase.ExpectedPod.Spec, pods.Items[0].Spec)
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require.Equal(t, testCase.ExpectedPod.ObjectMeta, pods.Items[0].ObjectMeta)
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if len(testCase.ExpectedEvent) > 0 {
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select {
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case msg := <-eventRecorder.Events:
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assert.Contains(t, msg, testCase.ExpectedEvent)
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default:
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assert.Fail(t, "expected event", "expected event with message '%s'", testCase.ExpectedEvent)
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}
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status, version := d.GetStatus()
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assert.Equal(t, int32(1), version)
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checkEachMember := func(group api.ServerGroup, groupSpec api.ServerGroupSpec, status *api.MemberStatusList) error {
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for _, m := range *status {
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require.Equal(t, api.MemberPhaseCreated, m.Phase)
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_, exist := m.Conditions.Get(api.ConditionTypeReady)
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require.Equal(t, false, exist)
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_, exist = m.Conditions.Get(api.ConditionTypeTerminated)
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require.Equal(t, false, exist)
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_, exist = m.Conditions.Get(api.ConditionTypeTerminating)
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require.Equal(t, false, exist)
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_, exist = m.Conditions.Get(api.ConditionTypeAgentRecoveryNeeded)
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require.Equal(t, false, exist)
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_, exist = m.Conditions.Get(api.ConditionTypeAutoUpgrade)
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require.Equal(t, false, exist)
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require.NotNil(t, m.Image)
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require.True(t, m.Image.Equal(d.apiObject.Status.CurrentImage))
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}
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return nil
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}
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d.GetServerGroupIterator().ForeachServerGroup(checkEachMember, &status)
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}
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})
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}
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func compareSpec(t *testing.T, a, b core.PodSpec) {
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ac, err := k8sutil.GetPodSpecChecksum(a)
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require.NoError(t, err)
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bc, err := k8sutil.GetPodSpecChecksum(b)
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require.NoError(t, err)
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aj, err := json.Marshal(a)
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require.NoError(t, err)
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bj, err := json.Marshal(b)
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require.NoError(t, err)
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require.Equal(t, string(aj), string(bj))
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require.Equal(t, ac, bc)
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}
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