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operator.go
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operator.go
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package operator
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"os"
"strconv"
"sync"
"time"
"github.com/pkg/errors"
downstreamtypes "github.com/replicatedhq/kots/pkg/api/downstream/types"
"github.com/replicatedhq/kots/pkg/app"
apptypes "github.com/replicatedhq/kots/pkg/app/types"
"github.com/replicatedhq/kots/pkg/apparchive"
appstatetypes "github.com/replicatedhq/kots/pkg/appstate/types"
"github.com/replicatedhq/kots/pkg/binaries"
"github.com/replicatedhq/kots/pkg/embeddedcluster"
identitydeploy "github.com/replicatedhq/kots/pkg/identity/deploy"
identitytypes "github.com/replicatedhq/kots/pkg/identity/types"
kotsadmobjects "github.com/replicatedhq/kots/pkg/kotsadm/objects"
snapshot "github.com/replicatedhq/kots/pkg/kotsadmsnapshot"
"github.com/replicatedhq/kots/pkg/kotsutil"
"github.com/replicatedhq/kots/pkg/logger"
"github.com/replicatedhq/kots/pkg/midstream"
"github.com/replicatedhq/kots/pkg/operator/client"
operatortypes "github.com/replicatedhq/kots/pkg/operator/types"
registrytypes "github.com/replicatedhq/kots/pkg/registry/types"
"github.com/replicatedhq/kots/pkg/render"
rendertypes "github.com/replicatedhq/kots/pkg/render/types"
"github.com/replicatedhq/kots/pkg/reporting"
"github.com/replicatedhq/kots/pkg/store"
storetypes "github.com/replicatedhq/kots/pkg/store/types"
"github.com/replicatedhq/kots/pkg/supportbundle"
supportbundletypes "github.com/replicatedhq/kots/pkg/supportbundle/types"
"github.com/replicatedhq/kots/pkg/template"
"github.com/replicatedhq/kots/pkg/util"
"github.com/replicatedhq/kotskinds/multitype"
velerov1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
corev1 "k8s.io/api/core/v1"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
serializer "k8s.io/apimachinery/pkg/runtime/serializer/json"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
)
var (
operator *Operator
)
type Operator struct {
client client.ClientInterface
store store.Store
clusterToken string
clusterID string
deployMtxs map[string]*sync.Mutex // key is app id
k8sClientset kubernetes.Interface
}
func Init(client client.ClientInterface, store store.Store, clusterToken string, k8sClientset kubernetes.Interface) *Operator {
operator = &Operator{
client: client,
store: store,
clusterToken: clusterToken,
deployMtxs: map[string]*sync.Mutex{},
k8sClientset: k8sClientset,
}
return operator
}
func MustGetOperator() *Operator {
if operator != nil {
return operator
}
panic("operator not initialized")
}
func (o *Operator) Start() error {
logger.Debug("starting the operator")
if err := o.client.Init(); err != nil {
return errors.Wrap(err, "failed to initialize the operator client")
}
id, err := o.store.GetClusterIDFromDeployToken(o.clusterToken)
if err != nil {
return errors.Wrap(err, "failed to get cluster id from deploy token")
}
o.clusterID = id
go o.resumeInformers()
go o.resumeDeployments()
startLoop(o.restoreLoop, 2)
return nil
}
func (o *Operator) Shutdown() {
if o.client == nil {
return
}
o.client.Shutdown()
}
func startLoop(fn func(), intervalInSeconds time.Duration) {
go func() {
for {
fn()
time.Sleep(time.Second * intervalInSeconds)
}
}()
}
func (o *Operator) resumeDeployments() {
apps, err := o.store.ListAppsForDownstream(o.clusterID)
if err != nil {
logger.Error(errors.Wrap(err, "failed to list installed apps for downstream"))
return
}
for _, a := range apps {
if _, err := o.resumeDeployment(a); err != nil {
logger.Error(errors.Wrapf(err, "failed to resume deployment for app %s in cluster %s", a.ID, o.clusterID))
}
}
}
func (o *Operator) resumeDeployment(a *apptypes.App) (bool, error) {
if a.RestoreInProgressName != "" {
return false, nil
}
deployedVersion, err := o.store.GetCurrentDownstreamVersion(a.ID, o.clusterID)
if err != nil {
return false, errors.Wrap(err, "failed to get current downstream version")
} else if deployedVersion == nil {
return false, nil
}
switch deployedVersion.Status {
case storetypes.VersionDeployed, storetypes.VersionFailed:
// deploying this version was already attempted
return false, nil
}
if _, err := o.DeployApp(a.ID, deployedVersion.ParentSequence); err != nil {
return false, errors.Wrap(err, "failed to deploy version")
}
return true, nil
}
func (o *Operator) DeployApp(appID string, sequence int64) (deployed bool, deployError error) {
if _, ok := o.deployMtxs[appID]; !ok {
o.deployMtxs[appID] = &sync.Mutex{}
}
o.deployMtxs[appID].Lock()
defer o.deployMtxs[appID].Unlock()
if err := o.store.SetDownstreamVersionStatus(appID, sequence, storetypes.VersionDeploying, ""); err != nil {
return false, errors.Wrap(err, "failed to update downstream status")
}
if os.Getenv("KOTSADM_ENV") != "test" {
go func() {
err := reporting.GetReporter().SubmitAppInfo(appID)
if err != nil {
logger.Debugf("failed to submit initial app info: %v", err)
}
}()
defer func() {
err := reporting.GetReporter().SubmitAppInfo(appID)
if err != nil {
logger.Debugf("failed to submit final app info: %v", err)
}
}()
}
defer func() {
if deployError != nil {
err := o.store.SetDownstreamVersionStatus(appID, sequence, storetypes.VersionFailed, deployError.Error())
if err != nil {
logger.Error(errors.Wrap(err, "failed to update downstream status"))
}
return
}
if !deployed {
err := o.store.SetDownstreamVersionStatus(appID, sequence, storetypes.VersionFailed, "")
if err != nil {
logger.Error(errors.Wrap(err, "failed to update downstream status"))
}
return
}
err := o.store.SetDownstreamVersionStatus(appID, sequence, storetypes.VersionDeployed, "")
if err != nil {
logger.Error(errors.Wrap(err, "failed to update downstream status"))
}
}()
app, err := o.store.GetApp(appID)
if err != nil {
return false, errors.Wrap(err, "failed to get app")
}
if app.RestoreInProgressName != "" {
return false, errors.Errorf("failed to deploy version %d because app restore is already in progress", sequence)
}
downstreams, err := o.store.GetDownstream(o.clusterID)
if err != nil {
return false, errors.Wrap(err, "failed to get downstream")
}
deployedVersionArchive, err := os.MkdirTemp("", "kotsadm")
if err != nil {
return false, errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(deployedVersionArchive)
err = o.store.GetAppVersionArchive(app.ID, sequence, deployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to get app version archive")
}
// ensure disaster recovery label transformer in midstream
additionalLabels := map[string]string{
"kots.io/app-slug": app.Slug,
}
if err := midstream.EnsureDisasterRecoveryLabelTransformer(deployedVersionArchive, additionalLabels); err != nil {
return false, errors.Wrap(err, "failed to ensure disaster recovery label transformer")
}
kotsKinds, err := kotsutil.LoadKotsKinds(deployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to load kotskinds")
}
registrySettings, err := o.store.GetRegistryDetailsForApp(app.ID)
if err != nil {
return false, errors.Wrap(err, "failed to get registry settings for app")
}
if err := o.ensureKotsadmApplicationMetadataConfigMap(app, sequence, util.PodNamespace, kotsKinds, registrySettings); err != nil {
return false, errors.Wrap(err, "failed to ensure kotsadm application metadata configmap")
}
builder, err := render.NewBuilder(kotsKinds, registrySettings, app.Slug, sequence, app.IsAirgap, util.PodNamespace)
if err != nil {
return false, errors.Wrap(err, "failed to get template builder")
}
if kotsKinds.V1Beta1HelmCharts != nil {
for i, helmChart := range kotsKinds.V1Beta1HelmCharts.Items {
renderedNamespace, err := builder.String(helmChart.Spec.Namespace)
if err != nil {
return false, errors.Wrapf(err, "failed to render namespace %s for chart %s", helmChart.Spec.Namespace, helmChart.GetReleaseName())
}
kotsKinds.V1Beta1HelmCharts.Items[i].Spec.Namespace = renderedNamespace
for j, upgradeFlag := range helmChart.Spec.HelmUpgradeFlags {
renderedUpgradeFlag, err := builder.String(upgradeFlag)
if err != nil {
return false, errors.Wrapf(err, "failed to render upgrade flag %s for chart %s", upgradeFlag, helmChart.GetReleaseName())
}
kotsKinds.V1Beta1HelmCharts.Items[i].Spec.HelmUpgradeFlags[j] = renderedUpgradeFlag
}
}
}
if kotsKinds.V1Beta2HelmCharts != nil {
for i, helmChart := range kotsKinds.V1Beta2HelmCharts.Items {
renderedNamespace, err := builder.String(helmChart.Spec.Namespace)
if err != nil {
return false, errors.Wrapf(err, "failed to render namespace %s for chart %s", helmChart.Spec.Namespace, helmChart.GetReleaseName())
}
kotsKinds.V1Beta2HelmCharts.Items[i].Spec.Namespace = renderedNamespace
for j, upgradeFlag := range helmChart.Spec.HelmUpgradeFlags {
renderedUpgradeFlag, err := builder.String(upgradeFlag)
if err != nil {
return false, errors.Wrapf(err, "failed to render upgrade flag %s for chart %s", upgradeFlag, helmChart.GetReleaseName())
}
kotsKinds.V1Beta2HelmCharts.Items[i].Spec.HelmUpgradeFlags[j] = renderedUpgradeFlag
}
}
}
requireIdentityProvider := false
if kotsKinds.Identity != nil {
if kotsKinds.Identity.Spec.RequireIdentityProvider.Type == multitype.String {
requireIdentityProvider, err = builder.Bool(kotsKinds.Identity.Spec.RequireIdentityProvider.StrVal, false)
if err != nil {
return false, errors.Wrap(err, "failed to build kotsv1beta1.Identity.spec.requireIdentityProvider")
}
} else {
requireIdentityProvider = kotsKinds.Identity.Spec.RequireIdentityProvider.BoolVal
}
}
if requireIdentityProvider && !identitydeploy.IsEnabled(kotsKinds.Identity, kotsKinds.IdentityConfig) {
return false, errors.New("identity service is required but is not enabled")
}
kustomizeBinPath := binaries.GetKustomizeBinPath()
renderedManifests, _, err := apparchive.GetRenderedApp(deployedVersionArchive, downstreams.Name, kustomizeBinPath)
if err != nil {
return false, errors.Wrap(err, "failed to get rendered app")
}
base64EncodedManifests := base64.StdEncoding.EncodeToString(renderedManifests)
v1beta1ChartsArchive, _, err := apparchive.GetRenderedV1Beta1ChartsArchive(deployedVersionArchive, downstreams.Name, kustomizeBinPath)
if err != nil {
return false, errors.Wrap(err, "failed to get rendered charts archive")
}
v1beta2ChartsArchive, err := apparchive.GetV1Beta2ChartsArchive(deployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to get v1beta2 charts archive")
}
imagePullSecrets, err := getImagePullSecrets(deployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to get image pull secrets")
}
// get previous manifests (if any)
var previousKotsKinds *kotsutil.KotsKinds
base64EncodedPreviousManifests := ""
previousV1beta1ChartsArchive := []byte{}
previousV1beta2ChartsArchive := []byte{}
previouslyDeployedSequence, err := o.store.GetPreviouslyDeployedSequence(app.ID, o.clusterID)
if err != nil {
return false, errors.Wrap(err, "failed to get previously deployed sequence")
}
if previouslyDeployedSequence != -1 {
previouslyDeployedParentSequence, err := o.store.GetParentSequenceForSequence(app.ID, o.clusterID, previouslyDeployedSequence)
if err != nil {
return false, errors.Wrap(err, "failed to get previously deployed parent sequence")
}
if previouslyDeployedParentSequence != -1 {
previouslyDeployedVersionArchive, err := os.MkdirTemp("", "kotsadm")
if err != nil {
return false, errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(previouslyDeployedVersionArchive)
err = o.store.GetAppVersionArchive(app.ID, previouslyDeployedParentSequence, previouslyDeployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to get previously deployed app version archive")
}
previousKotsKinds, err = kotsutil.LoadKotsKinds(previouslyDeployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to load kotskinds for previously deployed app version")
}
previousRenderedManifests, _, err := apparchive.GetRenderedApp(previouslyDeployedVersionArchive, downstreams.Name, kustomizeBinPath)
if err != nil {
logger.Error(errors.Wrap(err, "failed to get previously deployed rendered app"))
} else {
base64EncodedPreviousManifests = base64.StdEncoding.EncodeToString(previousRenderedManifests)
previousV1beta1ChartsArchive, _, err = apparchive.GetRenderedV1Beta1ChartsArchive(previouslyDeployedVersionArchive, downstreams.Name, kustomizeBinPath)
if err != nil {
return false, errors.Wrap(err, "failed to get previously deployed rendered charts archive")
}
previousV1beta2ChartsArchive, err = apparchive.GetV1Beta2ChartsArchive(previouslyDeployedVersionArchive)
if err != nil {
return false, errors.Wrap(err, "failed to get previously deployed v1beta2 charts archive")
}
}
}
}
if err := o.applyStatusInformers(app, sequence, kotsKinds, builder); err != nil {
return false, errors.Wrap(err, "failed to apply status informers")
}
o.client.ApplyNamespacesInformer(kotsKinds.KotsApplication.Spec.AdditionalNamespaces, imagePullSecrets)
o.client.ApplyHooksInformer(kotsKinds.KotsApplication.Spec.AdditionalNamespaces)
deployArgs := operatortypes.DeployAppArgs{
AppID: app.ID,
AppSlug: app.Slug,
ClusterID: o.clusterID,
Sequence: sequence,
AdditionalNamespaces: kotsKinds.KotsApplication.Spec.AdditionalNamespaces,
ImagePullSecrets: imagePullSecrets,
Manifests: base64EncodedManifests,
PreviousManifests: base64EncodedPreviousManifests,
V1Beta1ChartsArchive: v1beta1ChartsArchive,
PreviousV1Beta1ChartsArchive: previousV1beta1ChartsArchive,
V1Beta2ChartsArchive: v1beta2ChartsArchive,
PreviousV1Beta2ChartsArchive: previousV1beta2ChartsArchive,
Action: "deploy",
Wait: false,
AnnotateSlug: os.Getenv("ANNOTATE_SLUG") != "",
KotsKinds: kotsKinds,
PreviousKotsKinds: previousKotsKinds,
}
deployed, err = o.client.DeployApp(deployArgs)
if err != nil {
return false, errors.Wrap(err, "failed to deploy app")
}
if deployed {
go func() {
err = embeddedcluster.MaybeStartClusterUpgrade(context.TODO(), o.store, kotsKinds, app.ID)
if err != nil {
logger.Error(errors.Wrap(err, "failed to start cluster upgrade"))
}
}()
}
return deployed, nil
}
func (o *Operator) applyStatusInformers(a *apptypes.App, sequence int64, kotsKinds *kotsutil.KotsKinds, builder *template.Builder) error {
renderedInformers := []appstatetypes.StatusInformerString{}
// deploy status informers
if len(kotsKinds.KotsApplication.Spec.StatusInformers) > 0 {
// render status informers
for _, informer := range kotsKinds.KotsApplication.Spec.StatusInformers {
renderedInformer, err := builder.String(informer)
if err != nil {
logger.Error(errors.Wrap(err, "failed to render status informer"))
continue
}
if renderedInformer == "" {
continue
}
renderedInformers = append(renderedInformers, appstatetypes.StatusInformerString(renderedInformer))
}
}
if identitydeploy.IsEnabled(kotsKinds.Identity, kotsKinds.IdentityConfig) {
renderedInformers = append(renderedInformers, appstatetypes.StatusInformerString(fmt.Sprintf("deployment/%s", identitytypes.DeploymentName(a.Slug))))
}
if len(renderedInformers) > 0 {
informersArgs := operatortypes.AppInformersArgs{
AppID: a.ID,
Informers: renderedInformers,
Sequence: sequence,
}
o.client.ApplyAppInformers(informersArgs)
} else {
// no informers, set state to ready
defaultReadyState := appstatetypes.ResourceStates{
{
Kind: "EMPTY",
Name: "EMPTY",
Namespace: "EMPTY",
State: appstatetypes.StateReady,
},
}
err := o.store.SetAppStatus(a.ID, defaultReadyState, time.Now(), sequence)
if err != nil {
return errors.Wrap(err, "failed to set app status")
}
go func() {
err := reporting.GetReporter().SubmitAppInfo(a.ID)
if err != nil {
logger.Debugf("failed to submit app info: %v", err)
}
}()
}
return nil
}
func (o *Operator) resumeInformers() {
apps, err := o.store.ListAppsForDownstream(o.clusterID)
if err != nil {
logger.Error(errors.Wrap(err, "failed to list installed apps for downstream"))
return
}
for _, app := range apps {
if err := o.resumeInformersForApp(app); err != nil {
logger.Error(errors.Wrapf(err, "failed to resume status informers for app %s in cluster %s", app.ID, o.clusterID))
}
}
}
func (o *Operator) resumeInformersForApp(app *apptypes.App) error {
deployedVersion, err := o.store.GetCurrentDownstreamVersion(app.ID, o.clusterID)
if err != nil {
return errors.Wrap(err, "failed to get current downstream version")
} else if deployedVersion == nil {
return nil
}
sequence := deployedVersion.ParentSequence
logger.Debugf("starting status informers for app %s", app.ID)
deployedVersionArchive, err := os.MkdirTemp("", "kotsadm")
if err != nil {
return errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(deployedVersionArchive)
err = o.store.GetAppVersionArchive(app.ID, sequence, deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to get app version archive")
}
imagePullSecrets, err := getImagePullSecrets(deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to get image pull secrets")
}
kotsKinds, err := kotsutil.LoadKotsKinds(deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to load kotskinds")
}
registrySettings, err := o.store.GetRegistryDetailsForApp(app.ID)
if err != nil {
return errors.Wrap(err, "failed to get registry settings for app")
}
builder, err := render.NewBuilder(kotsKinds, registrySettings, app.Slug, sequence, app.IsAirgap, util.PodNamespace)
if err != nil {
return errors.Wrap(err, "failed to get template builder")
}
if err := o.applyStatusInformers(app, sequence, kotsKinds, builder); err != nil {
return errors.Wrapf(err, "failed to apply status informers for app %s", app.ID)
}
o.client.ApplyNamespacesInformer(kotsKinds.KotsApplication.Spec.AdditionalNamespaces, imagePullSecrets)
o.client.ApplyHooksInformer(kotsKinds.KotsApplication.Spec.AdditionalNamespaces)
return nil
}
func (o *Operator) restoreLoop() {
apps, err := o.store.ListAppsForDownstream(o.clusterID)
if err != nil {
logger.Error(errors.Wrap(err, "failed to list installed apps for downstream"))
return
}
for _, a := range apps {
if err := o.processRestoreForApp(a); err != nil {
logger.Error(errors.Wrapf(err, "failed to handle restore for app %s", a.ID))
continue
}
}
}
func (o *Operator) processRestoreForApp(a *apptypes.App) error {
if a.RestoreInProgressName == "" {
return nil
}
switch a.RestoreUndeployStatus {
case apptypes.UndeployInProcess:
// no-op
break
case apptypes.UndeployCompleted:
if err := o.handleUndeployCompleted(a); err != nil {
return errors.Wrap(err, "failed to handle undeploy completed")
}
break
case apptypes.UndeployFailed:
// no-op
break
default:
d, err := o.store.GetDownstream(o.clusterID)
if err != nil {
return errors.Wrap(err, "failed to get downstream")
}
if err := o.UndeployApp(a, d, true); err != nil {
return errors.Wrap(err, "failed to undeploy app")
}
break
}
return nil
}
func (o *Operator) handleUndeployCompleted(a *apptypes.App) error {
snapshotName := a.RestoreInProgressName
restoreName := a.RestoreInProgressName
backup, err := snapshot.GetBackup(context.Background(), util.PodNamespace, snapshotName)
if err != nil {
return errors.Wrap(err, "failed to get backup")
}
if backup.Annotations["kots.io/instance"] == "true" {
restoreName = fmt.Sprintf("%s.%s", snapshotName, a.Slug)
}
restore, err := snapshot.GetRestore(context.Background(), util.PodNamespace, restoreName)
if err != nil {
return errors.Wrapf(err, "failed to get restore %q", restoreName)
}
if restore == nil {
return errors.Wrapf(o.startVeleroRestore(snapshotName, a.Slug), "failed to start velero restore %q", restoreName)
}
return errors.Wrapf(o.checkRestoreComplete(a, restore), "failed to check restore %q complete", restoreName)
}
func (o *Operator) startVeleroRestore(snapshotName string, appSlug string) error {
logger.Info(fmt.Sprintf("creating velero restore object from snapshot %s", snapshotName))
if err := snapshot.CreateApplicationRestore(context.Background(), util.PodNamespace, snapshotName, appSlug); err != nil {
return errors.Wrap(err, "failed to create restore")
}
return nil
}
func (o *Operator) checkRestoreComplete(a *apptypes.App, restore *velerov1.Restore) error {
switch restore.Status.Phase {
case velerov1.RestorePhaseCompleted:
backup, err := snapshot.GetBackup(context.Background(), util.PodNamespace, restore.Spec.BackupName)
if err != nil {
return errors.Wrap(err, "failed to get backup")
}
backupAnnotations := backup.ObjectMeta.GetAnnotations()
if backupAnnotations == nil {
return errors.New("backup is missing required annotations")
}
var sequence int64 = 0
if backupAnnotations["kots.io/instance"] == "true" {
b, ok := backupAnnotations["kots.io/apps-sequences"]
if !ok || b == "" {
return errors.New("instance backup is missing apps sequences annotation")
}
var appsSequences map[string]int64
if err := json.Unmarshal([]byte(b), &appsSequences); err != nil {
return errors.Wrap(err, "failed to unmarshal apps sequences")
}
s, ok := appsSequences[a.Slug]
if !ok {
return errors.New("instance backup is missing sequence annotation")
}
sequence = s
} else {
sequenceStr, ok := backupAnnotations["kots.io/app-sequence"]
if !ok || sequenceStr == "" {
return errors.New("backup is missing sequence annotation")
}
s, err := strconv.ParseInt(sequenceStr, 10, 64)
if err != nil {
return errors.Wrap(err, "failed to parse sequence")
}
sequence = s
}
logger.Info(fmt.Sprintf("restore complete, marking version %d as deployed", sequence))
// mark the sequence as deployed so that the admin console does not try to re-deploy it
if err := o.store.MarkAsCurrentDownstreamVersion(a.ID, sequence); err != nil {
return errors.Wrap(err, "failed to mark as current downstream version")
}
if err := o.store.SetDownstreamVersionStatus(a.ID, sequence, storetypes.VersionDeployed, ""); err != nil {
logger.Error(errors.Wrap(err, "failed to update downstream status"))
}
troubleshootOpts := supportbundletypes.TroubleshootOptions{
InCluster: true,
}
if _, err := supportbundle.CreateSupportBundleDependencies(a, sequence, troubleshootOpts); err != nil {
// support bundle is not essential. keep processing restore status
logger.Error(errors.Wrapf(err, "failed to create support bundle for sequence %d post restore", sequence))
}
if err := app.ResetRestore(a.ID); err != nil {
return errors.Wrap(err, "failed to reset restore")
}
break
case velerov1.RestorePhaseFailed, velerov1.RestorePhasePartiallyFailed:
logger.Info("restore failed, resetting app restore")
if err := app.ResetRestore(a.ID); err != nil {
return errors.Wrap(err, "failed to reset restore")
}
break
default:
// restore is in progress
break
}
return nil
}
func (o *Operator) UndeployApp(a *apptypes.App, d *downstreamtypes.Downstream, isRestore bool) error {
if _, ok := o.deployMtxs[a.ID]; !ok {
o.deployMtxs[a.ID] = &sync.Mutex{}
}
o.deployMtxs[a.ID].Lock()
defer o.deployMtxs[a.ID].Unlock()
deployedVersion, err := o.store.GetCurrentDownstreamVersion(a.ID, d.ClusterID)
if err != nil {
return errors.Wrap(err, "failed to get current downstream version")
}
if deployedVersion == nil {
return nil
}
deployedVersionArchive, err := os.MkdirTemp("", "kotsadm")
if err != nil {
return errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(deployedVersionArchive)
err = o.store.GetAppVersionArchive(a.ID, deployedVersion.ParentSequence, deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to get app version archive")
}
kotsKinds, err := kotsutil.LoadKotsKinds(deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to load kotskinds")
}
renderedManifests, _, err := apparchive.GetRenderedApp(deployedVersionArchive, d.Name, binaries.GetKustomizeBinPath())
if err != nil {
return errors.Wrap(err, "failed to get rendered app")
}
base64EncodedManifests := base64.StdEncoding.EncodeToString(renderedManifests)
v1Beta1ChartsArchive, _, err := apparchive.GetRenderedV1Beta1ChartsArchive(deployedVersionArchive, d.Name, binaries.GetKustomizeBinPath())
if err != nil {
return errors.Wrap(err, "failed to get v1beta1 charts archive")
}
v1Beta2ChartsArchive, err := apparchive.GetV1Beta2ChartsArchive(deployedVersionArchive)
if err != nil {
return errors.Wrap(err, "failed to get v1beta2 charts archive")
}
var clearNamespaces []string
var restoreLabelSelector *metav1.LabelSelector
if isRestore {
backup, err := snapshot.GetBackup(context.Background(), util.PodNamespace, a.RestoreInProgressName)
if err != nil {
return errors.Wrap(err, "failed to get backup")
}
clearNamespaces = backup.Spec.IncludedNamespaces
// merge the backup label selector and the restore label selector so that we only undeploy manifests that are:
// 1- included in the backup AND
// 2- are going to be restored
// a valid use case here is when restoring just an app from a full snapshot because the backup won't have this label in that case.
// this will be a no-op when restoring from an app (partial) snapshot since the backup will already have this label.
restoreLabelSelector = backup.Spec.LabelSelector.DeepCopy()
if restoreLabelSelector == nil {
restoreLabelSelector = &metav1.LabelSelector{
MatchLabels: map[string]string{},
}
}
restoreLabelSelector.MatchLabels["kots.io/app-slug"] = a.Slug
} else {
clearNamespaces = append(clearNamespaces, util.AppNamespace())
clearNamespaces = append(clearNamespaces, kotsKinds.KotsApplication.Spec.AdditionalNamespaces...)
}
undeployArgs := operatortypes.UndeployAppArgs{
AppID: a.ID,
AppSlug: a.Slug,
ClusterID: o.clusterID,
AdditionalNamespaces: kotsKinds.KotsApplication.Spec.AdditionalNamespaces,
Manifests: base64EncodedManifests,
V1Beta1ChartsArchive: v1Beta1ChartsArchive,
V1Beta2ChartsArchive: v1Beta2ChartsArchive,
Wait: true,
ClearNamespaces: clearNamespaces,
ClearPVCs: true,
IsRestore: isRestore,
RestoreLabelSelector: restoreLabelSelector,
KotsKinds: kotsKinds,
}
if isRestore {
// during a restore, this happens async and progress/status is polled later.
go o.client.UndeployApp(undeployArgs)
if err := app.SetRestoreUndeployStatus(a.ID, apptypes.UndeployInProcess); err != nil {
return errors.Wrap(err, "failed to set restore undeploy status")
}
} else {
err := o.client.UndeployApp(undeployArgs)
if err != nil {
return errors.Wrap(err, "failed to undeploy app")
}
}
return nil
}
func deduplicateSecrets(secretSpecs []string) []string {
decode := scheme.Codecs.UniversalDeserializer().Decode
uniqueSecrets := map[string]*corev1.Secret{}
for _, secretSpec := range secretSpecs {
obj, gvk, err := decode([]byte(secretSpec), nil, nil)
if err != nil {
continue
}
if gvk.Group != "" || gvk.Version != "v1" || gvk.Kind != "Secret" {
continue
}
secret := obj.(*corev1.Secret)
uniqueSecrets[secret.Name] = secret
}
secretSpecs = []string{}
for _, secret := range uniqueSecrets {
s := serializer.NewYAMLSerializer(serializer.DefaultMetaFactory, scheme.Scheme, scheme.Scheme)
var b bytes.Buffer
if err := s.Encode(secret, &b); err != nil {
logger.Error(errors.Wrapf(err, "failed to serialize secret %s", secret.Name))
continue
}
secretSpecs = append(secretSpecs, b.String())
}
return secretSpecs
}
func (o *Operator) ensureKotsadmApplicationMetadataConfigMap(app *apptypes.App, sequence int64, namespace string, kotsKinds *kotsutil.KotsKinds, registrySettings registrytypes.RegistrySettings) error {
renderedKotsAppSpec, err := o.renderKotsApplicationSpec(app, sequence, namespace, kotsKinds, registrySettings, &render.Renderer{})
if err != nil {
return errors.Wrap(err, "failed to render kots application spec")
}
existingConfigMap, err := o.k8sClientset.CoreV1().ConfigMaps(namespace).Get(context.TODO(), "kotsadm-application-metadata", metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing metadata config map")
}
_, err := o.k8sClientset.CoreV1().ConfigMaps(namespace).Create(context.TODO(), kotsadmobjects.ApplicationMetadataConfig(renderedKotsAppSpec, namespace, app.UpstreamURI), metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create metadata config map")
}
return nil
}
if existingConfigMap.Data == nil {
existingConfigMap.Data = map[string]string{}
}
existingConfigMap.Data["application.yaml"] = string(renderedKotsAppSpec)
_, err = o.k8sClientset.CoreV1().ConfigMaps(util.PodNamespace).Update(context.Background(), existingConfigMap, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update config map")
}
return nil
}
func (o *Operator) renderKotsApplicationSpec(app *apptypes.App, sequence int64, namespace string, kotsKinds *kotsutil.KotsKinds, registrySettings registrytypes.RegistrySettings, renderer rendertypes.Renderer) ([]byte, error) {
marshalledKotsAppSpec, err := kotsKinds.Marshal("kots.io", "v1beta1", "Application")
if err != nil {
return nil, errors.Wrap(err, "failed to marshal kots app spec")
}
renderedKotsAppSpec, err := renderer.RenderFile(rendertypes.RenderFileOptions{
KotsKinds: kotsKinds,
RegistrySettings: registrySettings,
AppSlug: app.Slug,
Sequence: sequence,
IsAirgap: app.IsAirgap,
Namespace: namespace,
InputContent: []byte(marshalledKotsAppSpec),
})
if err != nil {
return nil, errors.Wrap(err, "failed to render preflights")
}
return renderedKotsAppSpec, nil
}