forked from openshift/cluster-version-operator
/
start_integration_test.go
1127 lines (1023 loc) · 37.5 KB
/
start_integration_test.go
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package start
import (
"context"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"reflect"
"regexp"
"runtime"
"strings"
"testing"
"time"
"github.com/google/uuid"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/diff"
randutil "k8s.io/apimachinery/pkg/util/rand"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
"k8s.io/klog"
configv1 "github.com/openshift/api/config/v1"
clientset "github.com/openshift/client-go/config/clientset/versioned"
"github.com/openshift/cluster-version-operator/lib/resourcemerge"
"github.com/openshift/cluster-version-operator/pkg/cvo"
)
func init() {
klog.InitFlags(flag.CommandLine)
flag.CommandLine.Lookup("v").Value.Set("5")
flag.CommandLine.Lookup("alsologtostderr").Value.Set("true")
}
var (
version_0_0_1 = map[string]interface{}{
"release-manifests": map[string]interface{}{
"image-references": `
{
"kind": "ImageStream",
"apiVersion": "image.openshift.io/v1",
"metadata": {
"name": "0.0.1"
}
}
`,
// this manifest should not have ReleaseImage replaced because it is part of the user facing image
"config2.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config2",
"namespace": "$(NAMESPACE)"
},
"data": {
"version": "0.0.1",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
"manifests": map[string]interface{}{
// this manifest is part of the innate image and should have ReleaseImage replaced
"config1.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config1",
"namespace": "$(NAMESPACE)"
},
"data": {
"version": "0.0.1",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
}
version_0_0_2 = map[string]interface{}{
"release-manifests": map[string]interface{}{
"image-references": `
{
"kind": "ImageStream",
"apiVersion": "image.openshift.io/v1",
"metadata": {
"name": "0.0.2"
}
}
`,
"config2.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config2",
"namespace": "$(NAMESPACE)"
},
"data": {
"version": "0.0.2",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
"manifests": map[string]interface{}{
"config1.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config1",
"namespace": "$(NAMESPACE)"
},
"data": {
"version": "0.0.2",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
}
version_0_0_2_failing = map[string]interface{}{
"release-manifests": map[string]interface{}{
"image-references": `
{
"kind": "ImageStream",
"apiVersion": "image.openshift.io/v1",
"metadata": {
"name": "0.0.2"
}
}
`,
// has invalid label value, API server will reject
"config2.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config2",
"namespace": "$(NAMESPACE)",
"labels": {"": ""}
},
"data": {
"version": "0.0.2",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
"manifests": map[string]interface{}{
"config1.json": `
{
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "config1",
"namespace": "$(NAMESPACE)"
},
"data": {
"version": "0.0.2",
"releaseImage": "{{.ReleaseImage}}"
}
}
`,
},
}
)
func TestIntegrationCVO_initializeAndUpgrade(t *testing.T) {
if os.Getenv("TEST_INTEGRATION") != "1" {
t.Skipf("Integration tests are disabled unless TEST_INTEGRATION=1")
}
t.Parallel()
// use the same client setup as the start command
cb, err := newClientBuilder("")
if err != nil {
t.Fatal(err)
}
cfg := cb.RestConfig()
kc := cb.KubeClientOrDie("integration-test")
client := cb.ClientOrDie("integration-test")
ns := fmt.Sprintf("e2e-cvo-%s", randutil.String(4))
if _, err := kc.CoreV1().Namespaces().Create(&v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
},
}); err != nil {
t.Fatal(err)
}
defer func() {
if err := client.ConfigV1().ClusterVersions().Delete(ns, nil); err != nil {
t.Logf("failed to delete cluster version %s: %v", ns, err)
}
if err := kc.CoreV1().Namespaces().Delete(ns, nil); err != nil {
t.Logf("failed to delete namespace %s: %v", ns, err)
}
}()
dir, err := ioutil.TempDir("", "cvo-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
if err := createContent(filepath.Join(dir, "0.0.1"), version_0_0_1, map[string]string{"NAMESPACE": ns}); err != nil {
t.Fatal(err)
}
if err := createContent(filepath.Join(dir, "0.0.2"), version_0_0_2, map[string]string{"NAMESPACE": ns}); err != nil {
t.Fatal(err)
}
payloadImage1 := "arbitrary/release:image"
payloadImage2 := "arbitrary/release:image-2"
retriever := &mapPayloadRetriever{map[string]string{
payloadImage1: filepath.Join(dir, "0.0.1"),
payloadImage2: filepath.Join(dir, "0.0.2"),
}}
options := NewOptions()
options.Namespace = ns
options.Name = ns
options.ListenAddr = ""
options.EnableDefaultClusterVersion = true
options.NodeName = "test-node"
options.ReleaseImage = payloadImage1
options.PayloadOverride = filepath.Join(dir, "ignored")
options.EnableMetrics = false
controllers := options.NewControllerContext(cb)
worker := cvo.NewSyncWorker(retriever, cvo.NewResourceBuilder(cfg, cfg, nil), 5*time.Second, wait.Backoff{Steps: 3}, "", &fakeClusterProfileRetriever{})
controllers.CVO.SetSyncWorkerForTesting(worker)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
controllers.Start(ctx)
t.Logf("wait until we observe the cluster version become available")
lastCV, err := waitForUpdateAvailable(t, client, ns, false, "0.0.1")
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version never became available: %v", err)
}
status := worker.Status()
t.Logf("verify the available cluster version's status matches our expectations")
t.Logf("Cluster version:\n%s", printCV(lastCV))
verifyClusterVersionStatus(t, lastCV, configv1.Update{Image: payloadImage1, Version: "0.0.1"}, 1)
verifyReleasePayload(t, kc, ns, "0.0.1", payloadImage1)
t.Logf("wait for the next resync and verify that status didn't change")
if err := wait.Poll(time.Second, 30*time.Second, func() (bool, error) {
updated := worker.Status()
if updated.Completed > status.Completed {
return true, nil
}
return false, nil
}); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second)
cv, err := client.ConfigV1().ClusterVersions().Get(ns, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(cv.Status, lastCV.Status) {
t.Fatalf("unexpected: %s", diff.ObjectReflectDiff(lastCV.Status, cv.Status))
}
verifyReleasePayload(t, kc, ns, "0.0.1", payloadImage1)
t.Logf("trigger an update to a new version")
cv, err = client.ConfigV1().ClusterVersions().Patch(ns, types.MergePatchType, []byte(fmt.Sprintf(`{"spec":{"desiredUpdate":{"image":"%s"}}}`, payloadImage2)))
if err != nil {
t.Fatal(err)
}
if cv.Spec.DesiredUpdate == nil {
t.Fatalf("cluster desired version was not preserved: %s", printCV(cv))
}
t.Logf("wait for the new version to be available")
lastCV, err = waitForUpdateAvailable(t, client, ns, false, "0.0.1", "0.0.2")
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version never reached available at 0.0.2: %v", err)
}
t.Logf("Upgraded version:\n%s", printCV(lastCV))
verifyClusterVersionStatus(t, lastCV, configv1.Update{Image: payloadImage2, Version: "0.0.2"}, 2)
verifyReleasePayload(t, kc, ns, "0.0.2", payloadImage2)
t.Logf("delete an object so that the next resync will recover it")
if err := kc.CoreV1().ConfigMaps(ns).Delete("config1", nil); err != nil {
t.Fatalf("couldn't delete CVO managed object: %v", err)
}
status = worker.Status()
t.Logf("wait for the next resync and verify that status didn't change")
if err := wait.Poll(time.Second, 30*time.Second, func() (bool, error) {
updated := worker.Status()
if updated.Completed > status.Completed {
return true, nil
}
return false, nil
}); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second)
cv, err = client.ConfigV1().ClusterVersions().Get(ns, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(cv.Status, lastCV.Status) {
t.Fatalf("unexpected: %s", diff.ObjectReflectDiff(lastCV.Status, cv.Status))
}
// should have recreated our deleted object
verifyReleasePayload(t, kc, ns, "0.0.2", payloadImage2)
}
func TestIntegrationCVO_initializeAndHandleError(t *testing.T) {
if os.Getenv("TEST_INTEGRATION") != "1" {
t.Skipf("Integration tests are disabled unless TEST_INTEGRATION=1")
}
t.Parallel()
// use the same client setup as the start command
cb, err := newClientBuilder("")
if err != nil {
t.Fatal(err)
}
cfg := cb.RestConfig()
kc := cb.KubeClientOrDie("integration-test")
client := cb.ClientOrDie("integration-test")
ns := fmt.Sprintf("e2e-cvo-%s", randutil.String(4))
if _, err := kc.CoreV1().Namespaces().Create(&v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
},
}); err != nil {
t.Fatal(err)
}
defer func() {
if err := client.ConfigV1().ClusterVersions().Delete(ns, nil); err != nil {
t.Logf("failed to delete cluster version %s: %v", ns, err)
}
if err := kc.CoreV1().Namespaces().Delete(ns, nil); err != nil {
t.Logf("failed to delete namespace %s: %v", ns, err)
}
}()
dir, err := ioutil.TempDir("", "cvo-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
if err := createContent(filepath.Join(dir, "0.0.1"), version_0_0_1, map[string]string{"NAMESPACE": ns}); err != nil {
t.Fatal(err)
}
if err := createContent(filepath.Join(dir, "0.0.2"), version_0_0_2_failing, map[string]string{"NAMESPACE": ns}); err != nil {
t.Fatal(err)
}
payloadImage1 := "arbitrary/release:image"
payloadImage2 := "arbitrary/release:image-2-failing"
retriever := &mapPayloadRetriever{map[string]string{
payloadImage1: filepath.Join(dir, "0.0.1"),
payloadImage2: filepath.Join(dir, "0.0.2"),
}}
options := NewOptions()
options.Namespace = ns
options.Name = ns
options.ListenAddr = ""
options.EnableDefaultClusterVersion = true
options.NodeName = "test-node"
options.ReleaseImage = payloadImage1
options.PayloadOverride = filepath.Join(dir, "ignored")
options.EnableMetrics = false
options.ResyncInterval = 3 * time.Second
controllers := options.NewControllerContext(cb)
worker := cvo.NewSyncWorker(retriever, cvo.NewResourceBuilder(cfg, cfg, nil), 5*time.Second, wait.Backoff{Duration: time.Second, Factor: 1.2}, "", &fakeClusterProfileRetriever{})
controllers.CVO.SetSyncWorkerForTesting(worker)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
controllers.Start(ctx)
t.Logf("wait until we observe the cluster version become available")
lastCV, err := waitForUpdateAvailable(t, client, ns, false, "0.0.1")
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version never became available: %v", err)
}
t.Logf("verify the available cluster version's status matches our expectations")
t.Logf("Cluster version:\n%s", printCV(lastCV))
verifyClusterVersionStatus(t, lastCV, configv1.Update{Image: payloadImage1, Version: "0.0.1"}, 1)
verifyReleasePayload(t, kc, ns, "0.0.1", payloadImage1)
t.Logf("trigger an update to a new version that should fail")
cv, err := client.ConfigV1().ClusterVersions().Patch(ns, types.MergePatchType, []byte(fmt.Sprintf(`{"spec":{"desiredUpdate":{"image":"%s"}}}`, payloadImage2)))
if err != nil {
t.Fatal(err)
}
if cv.Spec.DesiredUpdate == nil {
t.Fatalf("cluster desired version was not preserved: %s", printCV(cv))
}
t.Logf("wait for operator to report failure")
lastCV, err = waitUntilUpgradeFails(
t, client, ns,
"UpdatePayloadResourceInvalid",
fmt.Sprintf(
`Could not update configmap "%s/config2" (2 of 2): the object is invalid, possibly due to local cluster configuration`,
ns,
),
"Unable to apply 0.0.2: some cluster configuration is invalid",
"0.0.1", "0.0.2",
)
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version didn't report failure: %v", err)
}
t.Logf("ensure that one config map was updated and the other was not")
verifyReleasePayloadConfigMap1(t, kc, ns, "0.0.2", payloadImage2)
verifyReleasePayloadConfigMap2(t, kc, ns, "0.0.1", payloadImage1)
t.Logf("switch back to 0.0.1 and verify it succeeds")
cv, err = client.ConfigV1().ClusterVersions().Patch(ns, types.MergePatchType, []byte(`{"spec":{"desiredUpdate":{"image":"", "version":"0.0.1"}}}`))
if err != nil {
t.Fatal(err)
}
if cv.Spec.DesiredUpdate == nil {
t.Fatalf("cluster desired version was not preserved: %s", printCV(cv))
}
lastCV, err = waitForUpdateAvailable(t, client, ns, true, "0.0.2", "0.0.1")
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version never reverted to 0.0.1: %v", err)
}
verifyClusterVersionStatus(t, lastCV, configv1.Update{Image: payloadImage1, Version: "0.0.1"}, 3)
verifyReleasePayload(t, kc, ns, "0.0.1", payloadImage1)
}
func TestIntegrationCVO_gracefulStepDown(t *testing.T) {
if os.Getenv("TEST_INTEGRATION") != "1" {
t.Skipf("Integration tests are disabled unless TEST_INTEGRATION=1")
}
t.Parallel()
// use the same client setup as the start command
cb, err := newClientBuilder("")
if err != nil {
t.Fatal(err)
}
cfg := cb.RestConfig()
kc := cb.KubeClientOrDie("integration-test")
client := cb.ClientOrDie("integration-test")
ns := fmt.Sprintf("e2e-cvo-%s", randutil.String(6))
if _, err := kc.CoreV1().Namespaces().Create(&v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
},
}); err != nil {
t.Fatal(err)
}
defer func() {
if err := client.ConfigV1().ClusterVersions().Delete(ns, nil); err != nil {
t.Logf("failed to delete cluster version %s: %v", ns, err)
}
if err := kc.CoreV1().Namespaces().Delete(ns, nil); err != nil {
t.Logf("failed to delete namespace %s: %v", ns, err)
}
}()
options := NewOptions()
options.Namespace = ns
options.Name = ns
options.ListenAddr = ""
options.NodeName = "test-node"
options.EnableMetrics = false
controllers := options.NewControllerContext(cb)
worker := cvo.NewSyncWorker(&mapPayloadRetriever{}, cvo.NewResourceBuilder(cfg, cfg, nil), 5*time.Second, wait.Backoff{Steps: 3}, "", &fakeClusterProfileRetriever{})
controllers.CVO.SetSyncWorkerForTesting(worker)
lock, err := createResourceLock(cb, ns, ns)
if err != nil {
t.Fatal(err)
}
t.Logf("the controller should create a lock record on a config map")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
done := make(chan struct{})
go func() {
options.run(ctx, controllers, lock)
close(done)
}()
// wait until the lock record exists
err = wait.PollImmediate(200*time.Millisecond, 60*time.Second, func() (bool, error) {
_, err := kc.CoreV1().ConfigMaps(ns).Get(ns, metav1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
return false, nil
}
return false, err
}
return true, nil
})
if err != nil {
t.Fatal(err)
}
t.Logf("verify the controller writes a leadership change event")
events, err := kc.CoreV1().Events(ns).List(metav1.ListOptions{})
if err != nil {
t.Fatal(err)
}
if !hasLeaderEvent(events.Items, ns) {
t.Fatalf("no leader election events found in\n%#v", events.Items)
}
t.Logf("after the context is closed, the lock record should be deleted quickly")
cancel()
startTime := time.Now()
var endTime time.Time
// the lock should be deleted immediately
err = wait.PollImmediate(100*time.Millisecond, 10*time.Second, func() (bool, error) {
_, err := kc.CoreV1().ConfigMaps(ns).Get(ns, metav1.GetOptions{})
if errors.IsNotFound(err) {
endTime = time.Now()
return true, nil
}
if err != nil {
return false, err
}
return false, nil
})
if err != nil {
t.Fatal(err)
}
t.Logf("lock deleted in %s", endTime.Sub(startTime))
select {
case <-time.After(time.Second):
t.Fatalf("controller should exit more quickly")
case <-done:
}
}
func TestIntegrationCVO_cincinnatiRequest(t *testing.T) {
if os.Getenv("TEST_INTEGRATION") != "1" {
t.Skipf("Integration tests are disabled unless TEST_INTEGRATION=1")
}
t.Parallel()
requestQuery := make(chan string, 100)
defer close(requestQuery)
handler := func(w http.ResponseWriter, r *http.Request) {
select {
case requestQuery <- r.URL.RawQuery:
default:
t.Errorf("received too many requests at upstream URL")
}
}
upstreamServer := httptest.NewServer(http.HandlerFunc(handler))
defer upstreamServer.Close()
// use the same client setup as the start command
cb, err := newClientBuilder("")
if err != nil {
t.Fatal(err)
}
cfg := cb.RestConfig()
kc := cb.KubeClientOrDie("integration-test")
client := cb.ClientOrDie("integration-test")
ns := fmt.Sprintf("e2e-cvo-%s", randutil.String(4))
if _, err := kc.CoreV1().Namespaces().Create(&v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
},
}); err != nil {
t.Fatal(err)
}
defer func() {
if err := client.ConfigV1().ClusterVersions().Delete(ns, nil); err != nil {
t.Logf("failed to delete cluster version %s: %v", ns, err)
}
if err := kc.CoreV1().Namespaces().Delete(ns, nil); err != nil {
t.Logf("failed to delete namespace %s: %v", ns, err)
}
}()
id, _ := uuid.NewRandom()
client.ConfigV1().ClusterVersions().Create(&configv1.ClusterVersion{
ObjectMeta: metav1.ObjectMeta{
Name: ns,
},
Spec: configv1.ClusterVersionSpec{
Upstream: configv1.URL(upstreamServer.URL),
Channel: "test-channel",
ClusterID: configv1.ClusterID(id.String()),
},
})
dir, err := ioutil.TempDir("", "cvo-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
if err := createContent(filepath.Join(dir, "0.0.1"), version_0_0_1, map[string]string{"NAMESPACE": ns}); err != nil {
t.Fatal(err)
}
payloadImage1 := "arbitrary/release:image"
retriever := &mapPayloadRetriever{map[string]string{
payloadImage1: filepath.Join(dir, "0.0.1"),
}}
payloadDir := filepath.Join(dir, "payload")
if err := os.Mkdir(payloadDir, 0777); err != nil {
t.Fatal(err)
}
manifestsDir := filepath.Join(payloadDir, "manifests")
if err := os.Mkdir(manifestsDir, 0777); err != nil {
t.Fatal(err)
}
releaseManifestsDir := filepath.Join(payloadDir, "release-manifests")
if err := os.Mkdir(releaseManifestsDir, 0777); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(releaseManifestsDir, "image-references"), []byte(`kind: ImageStream
apiVersion: image.openshift.io/v1
metadata:
name: 0.0.1
`), 0777); err != nil {
t.Fatal(err)
}
options := NewOptions()
options.Namespace = ns
options.Name = ns
options.ListenAddr = ""
options.NodeName = "test-node"
options.ReleaseImage = payloadImage1
options.PayloadOverride = payloadDir
options.EnableMetrics = false
controllers := options.NewControllerContext(cb)
if err := controllers.CVO.InitializeFromPayload(cb.RestConfig(defaultQPS), cb.RestConfig(highQPS)); err != nil {
t.Fatal(err)
}
worker := cvo.NewSyncWorker(retriever, cvo.NewResourceBuilder(cfg, cfg, nil), 5*time.Second, wait.Backoff{Steps: 3}, "", &fakeClusterProfileRetriever{})
controllers.CVO.SetSyncWorkerForTesting(worker)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
controllers.Start(ctx)
t.Logf("wait until we observe the cluster version become available")
lastCV, err := waitForUpdateAvailable(t, client, ns, false, "0.0.1")
if err != nil {
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatalf("cluster version never became available: %v", err)
}
t.Logf("wait until we observe the request to the upstream url")
actualQuery := ""
select {
case actualQuery = <-requestQuery:
case <-time.After(10 * time.Second):
t.Logf("latest version:\n%s", printCV(lastCV))
t.Fatal("no request received at upstream URL")
}
expectedQuery := fmt.Sprintf("arch=%s&channel=test-channel&id=%s&version=0.0.1", runtime.GOARCH, id.String())
expectedQueryValues, err := url.ParseQuery(expectedQuery)
if err != nil {
t.Fatalf("could not parse expected query: %v", err)
}
actualQueryValues, err := url.ParseQuery(actualQuery)
if err != nil {
t.Fatalf("could not parse acutal query: %v", err)
}
if e, a := expectedQueryValues, actualQueryValues; !reflect.DeepEqual(e, a) {
t.Errorf("expected query to be %q, got: %q", e, a)
}
}
// waitForAvailableUpdate checks invariants during an upgrade process. versions is a list of the expected versions that
// should be seen during update, with the last version being the one we wait to see.
func waitForUpdateAvailable(t *testing.T, client clientset.Interface, ns string, allowIncrementalFailure bool, versions ...string) (*configv1.ClusterVersion, error) {
var lastCV *configv1.ClusterVersion
return lastCV, wait.PollImmediate(200*time.Millisecond, 60*time.Second, func() (bool, error) {
cv, err := client.ConfigV1().ClusterVersions().Get(ns, metav1.GetOptions{})
if errors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
lastCV = cv
if cv.Status.ObservedGeneration > cv.Generation {
return false, fmt.Errorf("status generation should never be newer than metadata generation")
}
verifyClusterVersionHistory(t, cv)
if !allowIncrementalFailure {
if failing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, cvo.ClusterStatusFailing); failing != nil && failing.Status == configv1.ConditionTrue {
return false, fmt.Errorf("operator listed as failing (%s): %s", failing.Reason, failing.Message)
}
}
// just wait until the operator is available
if len(versions) == 0 {
available := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorAvailable)
return available != nil && available.Status == configv1.ConditionTrue, nil
}
if len(versions) == 1 {
// we should not observe status.generation == metadata.generation without also observing a status history entry - if
// a version is set, it must match our desired version (we can occasionally observe a "working towards" event where only
// the image value is set, not the version)
if cv.Status.ObservedGeneration == cv.Generation {
if len(cv.Status.History) == 0 || (cv.Status.History[0].Version != "" && cv.Status.History[0].Version != versions[0]) {
return false, fmt.Errorf("initializing operator should set history and generation at the same time")
}
}
if available := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorAvailable); available == nil || available.Status == configv1.ConditionFalse {
if progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing); available != nil && (progressing == nil || progressing.Status != configv1.ConditionTrue) {
return false, fmt.Errorf("initializing operator should have progressing if available is false: %#v", progressing)
}
return false, nil
}
if len(cv.Status.History) == 0 {
return false, fmt.Errorf("initializing operator should have history after available goes true")
}
if cv.Status.History[0].Version != versions[len(versions)-1] {
return false, fmt.Errorf("initializing operator should report the target version in history once available")
}
if cv.Status.History[0].State != configv1.CompletedUpdate {
return false, fmt.Errorf("initializing operator should report history completed %#v", cv.Status.History[0])
}
if progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing); progressing == nil || progressing.Status == configv1.ConditionTrue {
return false, fmt.Errorf("initializing operator should never be available and still progressing or lacking the condition: %#v", progressing)
}
return true, nil
}
// we should not observe status.generation == metadata.generation without also observing a status history entry
if cv.Status.ObservedGeneration == cv.Generation {
target := versions[len(versions)-1]
hasVersion := cv.Status.Desired.Version != ""
if hasVersion && cv.Status.Desired.Version != target {
return false, fmt.Errorf("upgrading operator should always have desired version when spec version is set")
}
if len(cv.Status.History) == 0 || (hasVersion && cv.Status.History[0].Version != target) {
return false, fmt.Errorf("upgrading operator should set history and generation at the same time")
}
}
if available := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorAvailable); available == nil || available.Status == configv1.ConditionFalse {
return false, fmt.Errorf("upgrading operator should remain available: %#v", available)
}
if !stringInSlice(versions, cv.Status.Desired.Version) {
return false, fmt.Errorf("upgrading operator status reported desired version %s which is not in the allowed set %v", cv.Status.Desired.Version, versions)
}
if len(cv.Status.History) == 0 {
return false, fmt.Errorf("upgrading operator should have at least once history entry")
}
if !stringInSlice(versions, cv.Status.History[0].Version) {
return false, fmt.Errorf("upgrading operator should have a valid history[0] version %s: %v", cv.Status.Desired.Version, versions)
}
if cv.Status.History[0].Version != versions[len(versions)-1] {
return false, nil
}
if failing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, cvo.ClusterStatusFailing); failing != nil && failing.Status == configv1.ConditionTrue {
return false, fmt.Errorf("operator listed as failing (%s): %s", failing.Reason, failing.Message)
}
progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing)
if cv.Status.History[0].State != configv1.CompletedUpdate {
if progressing == nil || progressing.Status != configv1.ConditionTrue {
return false, fmt.Errorf("upgrading operator should have progressing true: %#v", progressing)
}
return false, nil
}
if progressing == nil || progressing.Status != configv1.ConditionFalse {
return false, fmt.Errorf("upgraded operator should have progressing condition false: %#v", progressing)
}
return true, nil
})
}
// waitUntilUpgradeFails checks invariants during an upgrade process. versions is a list of the expected versions that
// should be seen during update, with the last version being the one we wait to see.
func waitUntilUpgradeFails(t *testing.T, client clientset.Interface, ns string, failingReason, failingMessage, progressingMessage string, versions ...string) (*configv1.ClusterVersion, error) {
var lastCV *configv1.ClusterVersion
return lastCV, wait.PollImmediate(200*time.Millisecond, 60*time.Second, func() (bool, error) {
cv, err := client.ConfigV1().ClusterVersions().Get(ns, metav1.GetOptions{})
if errors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
lastCV = cv
if cv.Status.ObservedGeneration > cv.Generation {
return false, fmt.Errorf("status generation should never be newer than metadata generation")
}
verifyClusterVersionHistory(t, cv)
if c := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorAvailable); c == nil || c.Status != configv1.ConditionTrue {
return false, fmt.Errorf("operator should remain available: %#v", c)
}
// just wait until the operator is failing
if len(versions) == 0 {
c := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, cvo.ClusterStatusFailing)
return c != nil && c.Status == configv1.ConditionTrue, nil
}
// TODO: add a test for initializing to an error state
// if len(versions) == 1 {
// if available := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorAvailable); available == nil || available.Status == configv1.ConditionFalse {
// if progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing); available != nil && (progressing == nil || progressing.Status != configv1.ConditionTrue) {
// return false, fmt.Errorf("initializing operator should have progressing if available is false: %#v", progressing)
// }
// return false, nil
// }
// if len(cv.Status.History) == 0 {
// return false, fmt.Errorf("initializing operator should have history after available goes true")
// }
// if cv.Status.History[0].Version != versions[len(versions)-1] {
// return false, fmt.Errorf("initializing operator should report the target version in history once available")
// }
// if cv.Status.History[0].State != configv1.CompletedUpdate {
// return false, fmt.Errorf("initializing operator should report history completed %#v", cv.Status.History[0])
// }
// if progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing); progressing == nil || progressing.Status == configv1.ConditionTrue {
// return false, fmt.Errorf("initializing operator should never be available and still progressing or lacking the condition: %#v", progressing)
// }
// return true, nil
// }
if len(versions) == 1 {
return false, fmt.Errorf("unimplemented")
}
// we should not observe status.generation == metadata.generation without also observing a status history entry
if cv.Status.ObservedGeneration == cv.Generation {
target := versions[len(versions)-1]
hasVersion := cv.Status.Desired.Version != ""
if hasVersion && cv.Status.Desired.Version != target {
return false, fmt.Errorf("upgrading operator should always have desired version when spec version is set")
}
if len(cv.Status.History) == 0 || (hasVersion && cv.Status.History[0].Version != target) {
return false, fmt.Errorf("upgrading operator should set history and generation at the same time")
}
}
if len(cv.Status.History) == 0 {
return false, fmt.Errorf("upgrading operator should have at least once history entry")
}
if len(cv.Status.Desired.Version) == 0 {
// if we are downloading the next update, we're allowed to have an empty desired version because we
// haven't been able to load the payload
if c := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing); c != nil && c.Status == configv1.ConditionTrue && strings.Contains(c.Message, "downloading update") && c.Reason == "DownloadingUpdate" {
return false, nil
}
}
if !stringInSlice(versions, cv.Status.Desired.Version) {
return false, fmt.Errorf("upgrading operator status reported desired version %s which is not in the allowed set %v", cv.Status.Desired.Version, versions)
}
if !stringInSlice(versions, cv.Status.History[0].Version) {
return false, fmt.Errorf("upgrading operator should have a valid history[0] version %s: %v", cv.Status.Desired.Version, versions)
}
if cv.Status.History[0].Version != versions[len(versions)-1] {
return false, nil
}
if cv.Status.History[0].State == configv1.CompletedUpdate {
return false, fmt.Errorf("upgrading operator to failed image should remain partial: %#v", cv.Status.History)
}
failing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, cvo.ClusterStatusFailing)
if failing == nil || failing.Status != configv1.ConditionTrue {
return false, nil
}
progressing := resourcemerge.FindOperatorStatusCondition(cv.Status.Conditions, configv1.OperatorProgressing)
if progressing == nil || progressing.Status != configv1.ConditionTrue {
return false, fmt.Errorf("upgrading operator to failed image should have progressing true: %#v", progressing)
}
if !strings.Contains(failing.Message, failingMessage) {
return false, fmt.Errorf("failure message mismatch: %s", failing.Message)
}
if failing.Reason != failingReason {
return false, fmt.Errorf("failure reason mismatch: %s", failing.Reason)
}
if progressing.Reason != failing.Reason {
return false, fmt.Errorf("failure reason and progressing reason don't match: %s", progressing.Reason)
}
if !strings.Contains(progressing.Message, progressingMessage) {
return false, fmt.Errorf("progressing message mismatch: %s", progressing.Message)
}
return true, nil
})
}
func stringInSlice(slice []string, s string) bool {
for _, item := range slice {
if s == item {
return true
}
}
return false
}
func verifyClusterVersionHistory(t *testing.T, cv *configv1.ClusterVersion) {
t.Helper()
var previous *configv1.UpdateHistory
for i, history := range cv.Status.History {
if history.StartedTime.IsZero() {
t.Fatalf("Invalid history, entry %d had no start time: %#v", i, history)
}
if len(history.Image) == 0 && len(history.Version) == 0 {
t.Fatalf("Invalid history, entry %d had no image or version: %#v", i, history)
}
if i == 0 {
continue
}
previous = &cv.Status.History[i-1]
if history.CompletionTime == nil || history.CompletionTime.IsZero() {
t.Fatalf("Invalid history, entry %d had no completion time: %#v", i, history)
}
if history.Image == previous.Image && history.Version == previous.Version {
t.Fatalf("Invalid history, entry %d and %d have identical updates, should be one entry: %s", i-1, i, diff.ObjectReflectDiff(previous, &history))
}
}
}
func verifyClusterVersionStatus(t *testing.T, cv *configv1.ClusterVersion, expectedUpdate configv1.Update, expectHistory int) {
t.Helper()
if cv.Status.ObservedGeneration != cv.Generation {
t.Fatalf("unexpected: %d instead of %d", cv.Status.ObservedGeneration, cv.Generation)
}
if cv.Status.Desired != expectedUpdate {
t.Fatalf("unexpected: %#v", cv.Status.Desired)
}
if len(cv.Status.History) != expectHistory {
t.Fatalf("unexpected: %#v", cv.Status.History)
}
actual := cv.Status.History[0]
if actual.StartedTime.Time.IsZero() || actual.CompletionTime == nil || actual.CompletionTime.Time.IsZero() || actual.CompletionTime.Time.Before(actual.StartedTime.Time) {
t.Fatalf("unexpected: %s -> %s", actual.StartedTime, actual.CompletionTime)
}
expect := configv1.UpdateHistory{
State: configv1.CompletedUpdate,
Version: expectedUpdate.Version,
Image: expectedUpdate.Image,
StartedTime: actual.StartedTime,
CompletionTime: actual.CompletionTime,
}
if !reflect.DeepEqual(expect, actual) {
t.Fatalf("unexpected history: %s", diff.ObjectReflectDiff(expect, actual))
}
if len(cv.Status.VersionHash) == 0 {
t.Fatalf("unexpected version hash: %#v", cv.Status.VersionHash)
}
if cv.Status.ObservedGeneration != cv.Generation {