mirror of
https://github.com/edgelesssys/constellation.git
synced 2025-08-11 16:30:12 -04:00
cli: refactor kubernetes package (#2232)
* Clean up CLI kubernetes package * Rename CLI kubernetes pkg to kubecmd * Unify kubernetes clients * Refactor attestation config upgrade * Update CODEOWNERS file * Remove outdated GetMeasurementSalt --------- Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße
GitHub
parent
3bf316e28f
commit
afa7fd0edb
24 changed files with 1024 additions and 1160 deletions
622
cli/internal/kubecmd/kubecmd_test.go
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622
cli/internal/kubecmd/kubecmd_test.go
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@ -0,0 +1,622 @@
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/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package kubecmd
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import (
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"context"
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"encoding/json"
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"errors"
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"io"
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"testing"
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kerrors "k8s.io/apimachinery/pkg/api/errors"
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"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
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"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/v2/internal/compatibility"
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"github.com/edgelesssys/constellation/v2/internal/config"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/logger"
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"github.com/edgelesssys/constellation/v2/internal/versions"
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"github.com/edgelesssys/constellation/v2/internal/versions/components"
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updatev1alpha1 "github.com/edgelesssys/constellation/v2/operators/constellation-node-operator/v2/api/v1alpha1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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func TestUpgradeNodeVersion(t *testing.T) {
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testCases := map[string]struct {
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kubectl *stubKubectl
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conditions []metav1.Condition
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currentImageVersion string
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newImageReference string
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badImageVersion string
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currentClusterVersion string
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conf *config.Config
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force bool
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getCRErr error
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wantErr bool
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wantUpdate bool
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assertCorrectError func(t *testing.T, err error) bool
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customClientFn func(nodeVersion updatev1alpha1.NodeVersion) unstructuredInterface
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}{
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"success": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: true,
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},
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"only k8s upgrade": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.2"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: true,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var upgradeErr *compatibility.InvalidUpgradeError
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return assert.ErrorAs(t, err, &upgradeErr)
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},
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},
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"only image upgrade": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[0]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: true,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var upgradeErr *compatibility.InvalidUpgradeError
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return assert.ErrorAs(t, err, &upgradeErr)
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},
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},
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"not an upgrade": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.2"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[0]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{},
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var upgradeErr *compatibility.InvalidUpgradeError
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return assert.ErrorAs(t, err, &upgradeErr)
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},
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},
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"upgrade in progress": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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conditions: []metav1.Condition{{
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Type: updatev1alpha1.ConditionOutdated,
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Status: metav1.ConditionTrue,
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}},
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{},
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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return assert.ErrorIs(t, err, ErrInProgress)
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},
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},
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"success with force and upgrade in progress": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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conditions: []metav1.Condition{{
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Type: updatev1alpha1.ConditionOutdated,
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Status: metav1.ConditionTrue,
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}},
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{},
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force: true,
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wantUpdate: true,
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},
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"get error": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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getCRErr: assert.AnError,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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return assert.ErrorIs(t, err, assert.AnError)
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},
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},
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"image too new valid k8s": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.4.2"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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newImageReference: "path/to/image:v1.4.2",
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":true}}`),
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},
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},
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wantUpdate: true,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var upgradeErr *compatibility.InvalidUpgradeError
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return assert.ErrorAs(t, err, &upgradeErr)
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},
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},
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"success with force and image too new": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.4.2"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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newImageReference: "path/to/image:v1.4.2",
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: true,
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force: true,
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},
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"apply returns bad object": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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badImageVersion: "v3.2.1",
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: true,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var target *applyError
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return assert.ErrorAs(t, err, &target)
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},
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},
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"outdated k8s version skips k8s upgrade": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.2"
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conf.KubernetesVersion = "v1.25.8"
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: false,
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wantErr: true,
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assertCorrectError: func(t *testing.T, err error) bool {
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var upgradeErr *compatibility.InvalidUpgradeError
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return assert.ErrorAs(t, err, &upgradeErr)
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},
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},
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"succeed after update retry when the updated node object is outdated": {
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conf: func() *config.Config {
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conf := config.Default()
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conf.Image = "v1.2.3"
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conf.KubernetesVersion = versions.SupportedK8sVersions()[1]
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return conf
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}(),
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currentImageVersion: "v1.2.2",
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currentClusterVersion: versions.SupportedK8sVersions()[0],
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kubectl: &stubKubectl{
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configMaps: map[string]*corev1.ConfigMap{
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constants.JoinConfigMap: newJoinConfigMap(`{"0":{"expected":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","warnOnly":false}}`),
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},
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},
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wantUpdate: false, // because customClient is used
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customClientFn: func(nodeVersion updatev1alpha1.NodeVersion) unstructuredInterface {
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fakeClient := &fakeUnstructuredClient{}
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fakeClient.On("GetCR", mock.Anything, mock.Anything).Return(unstructedObjectWithGeneration(nodeVersion, 1), nil)
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fakeClient.On("UpdateCR", mock.Anything, mock.Anything).Return(nil, kerrors.NewConflict(schema.GroupResource{Resource: nodeVersion.Name}, nodeVersion.Name, nil)).Once()
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fakeClient.On("UpdateCR", mock.Anything, mock.Anything).Return(unstructedObjectWithGeneration(nodeVersion, 2), nil).Once()
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return fakeClient
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},
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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nodeVersion := updatev1alpha1.NodeVersion{
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Spec: updatev1alpha1.NodeVersionSpec{
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ImageVersion: tc.currentImageVersion,
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KubernetesClusterVersion: tc.currentClusterVersion,
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},
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Status: updatev1alpha1.NodeVersionStatus{
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Conditions: tc.conditions,
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},
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}
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var badUpdatedObject *unstructured.Unstructured
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if tc.badImageVersion != "" {
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nodeVersion.Spec.ImageVersion = tc.badImageVersion
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unstrBadNodeVersion, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&nodeVersion)
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require.NoError(err)
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badUpdatedObject = &unstructured.Unstructured{Object: unstrBadNodeVersion}
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}
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unstrNodeVersion, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&nodeVersion)
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require.NoError(err)
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unstructuredClient := &stubUnstructuredClient{
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object: &unstructured.Unstructured{Object: unstrNodeVersion},
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badUpdatedObject: badUpdatedObject,
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getCRErr: tc.getCRErr,
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}
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tc.kubectl.unstructuredInterface = unstructuredClient
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if tc.customClientFn != nil {
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tc.kubectl.unstructuredInterface = tc.customClientFn(nodeVersion)
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}
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upgrader := KubeCmd{
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kubectl: tc.kubectl,
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imageFetcher: &stubImageFetcher{reference: tc.newImageReference},
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log: logger.NewTest(t),
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outWriter: io.Discard,
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}
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err = upgrader.UpgradeNodeVersion(context.Background(), tc.conf, tc.force)
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// Check upgrades first because if we checked err first, UpgradeImage may error due to other reasons and still trigger an upgrade.
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if tc.wantUpdate {
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assert.NotNil(unstructuredClient.updatedObject)
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} else {
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assert.Nil(unstructuredClient.updatedObject)
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}
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if tc.wantErr {
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assert.Error(err)
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tc.assertCorrectError(t, err)
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return
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}
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assert.NoError(err)
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})
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}
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}
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func TestUpdateImage(t *testing.T) {
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someErr := errors.New("error")
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testCases := map[string]struct {
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newImageReference string
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newImageVersion string
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oldImageReference string
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oldImageVersion string
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updateErr error
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wantUpdate bool
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wantErr bool
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}{
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"success": {
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oldImageReference: "old-image-ref",
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oldImageVersion: "v0.0.0",
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newImageReference: "new-image-ref",
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newImageVersion: "v0.1.0",
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wantUpdate: true,
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},
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"same version fails": {
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oldImageVersion: "v0.0.0",
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newImageVersion: "v0.0.0",
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wantErr: true,
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},
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"update error": {
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updateErr: someErr,
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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upgrader := &KubeCmd{
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log: logger.NewTest(t),
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}
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nodeVersion := updatev1alpha1.NodeVersion{
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Spec: updatev1alpha1.NodeVersionSpec{
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ImageReference: tc.oldImageReference,
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ImageVersion: tc.oldImageVersion,
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},
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}
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err := upgrader.isValidImageUpgrade(nodeVersion, tc.newImageVersion, false)
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|
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if tc.wantErr {
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assert.Error(err)
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return
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}
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assert.NoError(err)
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})
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}
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}
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func TestUpdateK8s(t *testing.T) {
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someErr := errors.New("error")
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testCases := map[string]struct {
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newClusterVersion string
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oldClusterVersion string
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updateErr error
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wantUpdate bool
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wantErr bool
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}{
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"success": {
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oldClusterVersion: "v0.0.0",
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newClusterVersion: "v0.1.0",
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wantUpdate: true,
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},
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"same version fails": {
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oldClusterVersion: "v0.0.0",
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newClusterVersion: "v0.0.0",
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wantErr: true,
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},
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"update error": {
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updateErr: someErr,
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wantErr: true,
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},
|
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}
|
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|
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for name, tc := range testCases {
|
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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|
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upgrader := &KubeCmd{
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log: logger.NewTest(t),
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}
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|
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nodeVersion := updatev1alpha1.NodeVersion{
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Spec: updatev1alpha1.NodeVersionSpec{
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KubernetesClusterVersion: tc.oldClusterVersion,
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},
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}
|
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_, err := upgrader.updateK8s(&nodeVersion, tc.newClusterVersion, components.Components{}, false)
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|
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if tc.wantErr {
|
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assert.Error(err)
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return
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}
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|
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assert.NoError(err)
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if tc.wantUpdate {
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assert.Equal(tc.newClusterVersion, nodeVersion.Spec.KubernetesClusterVersion)
|
||||
} else {
|
||||
assert.Equal(tc.oldClusterVersion, nodeVersion.Spec.KubernetesClusterVersion)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func newJoinConfigMap(data string) *corev1.ConfigMap {
|
||||
return &corev1.ConfigMap{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: constants.JoinConfigMap,
|
||||
},
|
||||
Data: map[string]string{
|
||||
constants.AttestationConfigFilename: data,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func TestUpdateAttestationConfig(t *testing.T) {
|
||||
mustMarshal := func(cfg config.AttestationCfg) string {
|
||||
data, err := json.Marshal(cfg)
|
||||
require.NoError(t, err)
|
||||
return string(data)
|
||||
}
|
||||
|
||||
testCases := map[string]struct {
|
||||
newAttestationCfg config.AttestationCfg
|
||||
kubectl *stubKubectl
|
||||
wantErr bool
|
||||
}{
|
||||
"success": {
|
||||
newAttestationCfg: config.DefaultForAzureSEVSNP(),
|
||||
kubectl: &stubKubectl{
|
||||
configMaps: map[string]*corev1.ConfigMap{
|
||||
constants.JoinConfigMap: newJoinConfigMap(mustMarshal(config.DefaultForAzureSEVSNP())),
|
||||
},
|
||||
},
|
||||
},
|
||||
"error getting ConfigMap": {
|
||||
newAttestationCfg: config.DefaultForAzureSEVSNP(),
|
||||
kubectl: &stubKubectl{
|
||||
getCMErr: assert.AnError,
|
||||
},
|
||||
wantErr: true,
|
||||
},
|
||||
}
|
||||
|
||||
for name, tc := range testCases {
|
||||
t.Run(name, func(t *testing.T) {
|
||||
assert := assert.New(t)
|
||||
|
||||
cmd := &KubeCmd{
|
||||
kubectl: tc.kubectl,
|
||||
log: logger.NewTest(t),
|
||||
outWriter: io.Discard,
|
||||
}
|
||||
|
||||
err := cmd.UpdateAttestationConfig(context.Background(), tc.newAttestationCfg)
|
||||
if tc.wantErr {
|
||||
assert.Error(err)
|
||||
return
|
||||
}
|
||||
assert.NoError(err)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
type fakeUnstructuredClient struct {
|
||||
mock.Mock
|
||||
}
|
||||
|
||||
func (u *fakeUnstructuredClient) GetCR(ctx context.Context, _ schema.GroupVersionResource, str string) (*unstructured.Unstructured, error) {
|
||||
args := u.Called(ctx, str)
|
||||
return args.Get(0).(*unstructured.Unstructured), args.Error(1)
|
||||
}
|
||||
|
||||
func (u *fakeUnstructuredClient) UpdateCR(ctx context.Context, _ schema.GroupVersionResource, updatedObject *unstructured.Unstructured) (*unstructured.Unstructured, error) {
|
||||
args := u.Called(ctx, updatedObject)
|
||||
if args.Get(0) == nil {
|
||||
return nil, args.Error(1)
|
||||
}
|
||||
return updatedObject, args.Error(1)
|
||||
}
|
||||
|
||||
type stubUnstructuredClient struct {
|
||||
object *unstructured.Unstructured
|
||||
updatedObject *unstructured.Unstructured
|
||||
badUpdatedObject *unstructured.Unstructured
|
||||
getCRErr error
|
||||
updateCRErr error
|
||||
}
|
||||
|
||||
func (u *stubUnstructuredClient) GetCR(_ context.Context, _ schema.GroupVersionResource, _ string) (*unstructured.Unstructured, error) {
|
||||
return u.object, u.getCRErr
|
||||
}
|
||||
|
||||
func (u *stubUnstructuredClient) UpdateCR(_ context.Context, _ schema.GroupVersionResource, updatedObject *unstructured.Unstructured) (*unstructured.Unstructured, error) {
|
||||
u.updatedObject = updatedObject
|
||||
if u.badUpdatedObject != nil {
|
||||
return u.badUpdatedObject, u.updateCRErr
|
||||
}
|
||||
return u.updatedObject, u.updateCRErr
|
||||
}
|
||||
|
||||
type unstructuredInterface interface {
|
||||
GetCR(ctx context.Context, gvr schema.GroupVersionResource, name string) (*unstructured.Unstructured, error)
|
||||
UpdateCR(ctx context.Context, gvr schema.GroupVersionResource, obj *unstructured.Unstructured) (*unstructured.Unstructured, error)
|
||||
}
|
||||
|
||||
type stubKubectl struct {
|
||||
unstructuredInterface
|
||||
configMaps map[string]*corev1.ConfigMap
|
||||
updatedConfigMaps map[string]*corev1.ConfigMap
|
||||
k8sVersion string
|
||||
getCMErr error
|
||||
updateCMErr error
|
||||
createCMErr error
|
||||
k8sErr error
|
||||
nodes []corev1.Node
|
||||
nodesErr error
|
||||
}
|
||||
|
||||
func (s *stubKubectl) GetConfigMap(_ context.Context, _, name string) (*corev1.ConfigMap, error) {
|
||||
return s.configMaps[name], s.getCMErr
|
||||
}
|
||||
|
||||
func (s *stubKubectl) UpdateConfigMap(_ context.Context, configMap *corev1.ConfigMap) (*corev1.ConfigMap, error) {
|
||||
if s.updatedConfigMaps == nil {
|
||||
s.updatedConfigMaps = map[string]*corev1.ConfigMap{}
|
||||
}
|
||||
s.updatedConfigMaps[configMap.ObjectMeta.Name] = configMap
|
||||
return s.updatedConfigMaps[configMap.ObjectMeta.Name], s.updateCMErr
|
||||
}
|
||||
|
||||
func (s *stubKubectl) CreateConfigMap(_ context.Context, configMap *corev1.ConfigMap) error {
|
||||
if s.configMaps == nil {
|
||||
s.configMaps = map[string]*corev1.ConfigMap{}
|
||||
}
|
||||
s.configMaps[configMap.ObjectMeta.Name] = configMap
|
||||
return s.createCMErr
|
||||
}
|
||||
|
||||
func (s *stubKubectl) KubernetesVersion() (string, error) {
|
||||
return s.k8sVersion, s.k8sErr
|
||||
}
|
||||
|
||||
func (s *stubKubectl) GetNodes(_ context.Context) ([]corev1.Node, error) {
|
||||
return s.nodes, s.nodesErr
|
||||
}
|
||||
|
||||
type stubImageFetcher struct {
|
||||
reference string
|
||||
fetchReferenceErr error
|
||||
}
|
||||
|
||||
func (f *stubImageFetcher) FetchReference(_ context.Context,
|
||||
_ cloudprovider.Provider, _ variant.Variant,
|
||||
_, _ string,
|
||||
) (string, error) {
|
||||
return f.reference, f.fetchReferenceErr
|
||||
}
|
||||
|
||||
func unstructedObjectWithGeneration(nodeVersion updatev1alpha1.NodeVersion, generation int64) *unstructured.Unstructured {
|
||||
unstrNodeVersion, _ := runtime.DefaultUnstructuredConverter.ToUnstructured(&nodeVersion)
|
||||
object := &unstructured.Unstructured{Object: unstrNodeVersion}
|
||||
object.SetGeneration(generation)
|
||||
return object
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue