/
app.go
187 lines (163 loc) · 5.48 KB
/
app.go
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package app
import (
"context"
"time"
"github.com/giantswarm/apiextensions-application/api/v1alpha1"
"github.com/giantswarm/k8sclient/v7/pkg/k8sclient"
"github.com/giantswarm/k8smetadata/pkg/annotation"
"github.com/giantswarm/microerror"
"github.com/giantswarm/micrologger"
"github.com/giantswarm/operatorkit/v8/pkg/controller"
"github.com/giantswarm/operatorkit/v8/pkg/resource"
"github.com/spf13/afero"
"k8s.io/apimachinery/pkg/labels"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/giantswarm/app-operator/v6/pkg/label"
"github.com/giantswarm/app-operator/v6/pkg/project"
"github.com/giantswarm/app-operator/v6/service/controller/app/controllercontext"
"github.com/giantswarm/app-operator/v6/service/internal/clientcache"
"github.com/giantswarm/app-operator/v6/service/internal/indexcache"
)
const appControllerSuffix = "-app"
type Config struct {
Fs afero.Fs
K8sClient k8sclient.Interface
ClientCache *clientcache.Resource
IndexCache indexcache.Interface
Logger micrologger.Logger
ChartNamespace string
HTTPClientTimeout time.Duration
ImageRegistry string
PodNamespace string
Provider string
ResyncPeriod time.Duration
UniqueApp bool
WatchNamespace string
WorkloadClusterID string
DependencyWaitTimeoutMinutes int
}
type App struct {
*controller.Controller
}
func NewApp(config Config) (*App, error) {
var err error
if config.ClientCache == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.ClientCache must not be empty", config)
}
if config.Fs == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.Fs must not be empty", config)
}
if config.IndexCache == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.IndexCache must not be empty", config)
}
if config.K8sClient == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.K8sClient must not be empty", config)
}
if config.Logger == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.Logger must not be empty", config)
}
if config.HTTPClientTimeout == 0 {
return nil, microerror.Maskf(invalidConfigError, "%T.HTTPClientTimeout must not be empty", config)
}
if config.ImageRegistry == "" {
return nil, microerror.Maskf(invalidConfigError, "%T.ImageRegistry must not be empty", config)
}
if config.PodNamespace == "" {
return nil, microerror.Maskf(invalidConfigError, "%T.PodNamespace must not be empty", config)
}
if config.Provider == "" {
return nil, microerror.Maskf(invalidConfigError, "%T.Provider must not be empty", config)
}
if config.ResyncPeriod == 0 {
return nil, microerror.Maskf(invalidConfigError, "%T.ResyncPeriod must not be empty", config)
}
if config.DependencyWaitTimeoutMinutes <= 0 {
return nil, microerror.Maskf(invalidConfigError, "%T.DependencyWaitTimeoutMinutes must be greater than 0", config)
}
// For non-unique instances if either watch namespace or cluster ID are
// provided both must be set.
if !config.UniqueApp && (config.WatchNamespace != "" || config.WorkloadClusterID != "") {
if config.WatchNamespace == "" {
return nil, microerror.Maskf(invalidConfigError, "%T.WatchNamespace must not be empty", config)
}
if config.WorkloadClusterID == "" {
return nil, microerror.Maskf(invalidConfigError, "%T.WorkloadClusterID must not be empty", config)
}
}
// TODO: Remove usage of deprecated controller context.
//
// https://github.com/giantswarm/giantswarm/issues/12324
//
initCtxFunc := func(ctx context.Context, obj interface{}) (context.Context, error) {
cc := controllercontext.Context{}
ctx = controllercontext.NewContext(ctx, cc)
return ctx, nil
}
var resources []resource.Interface
{
c := appResourcesConfig{
ClientCache: config.ClientCache,
FileSystem: config.Fs,
IndexCache: config.IndexCache,
K8sClient: config.K8sClient,
Logger: config.Logger,
ChartNamespace: config.ChartNamespace,
HTTPClientTimeout: config.HTTPClientTimeout,
ImageRegistry: config.ImageRegistry,
ProjectName: project.Name(),
Provider: config.Provider,
UniqueApp: config.UniqueApp,
WorkloadClusterID: config.WorkloadClusterID,
DependencyWaitTimeoutMinutes: config.DependencyWaitTimeoutMinutes,
}
resources, err = newAppResources(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
var selector labels.Selector
{
if config.WorkloadClusterID != "" {
selector = label.ClusterSelector(config.WorkloadClusterID)
} else {
selector = label.AppVersionSelector(config.UniqueApp)
}
}
var watchNamespace string
{
if config.WatchNamespace != "" {
watchNamespace = config.WatchNamespace
} else {
watchNamespace = config.PodNamespace
}
}
var appController *controller.Controller
{
c := controller.Config{
InitCtx: initCtxFunc,
K8sClient: config.K8sClient,
Logger: config.Logger,
ResyncPeriod: config.ResyncPeriod,
Pause: map[string]string{
annotation.AppOperatorPaused: "true",
},
Resources: resources,
Selector: selector,
NewRuntimeObjectFunc: func() client.Object {
return new(v1alpha1.App)
},
Name: project.Name() + appControllerSuffix,
}
if !config.UniqueApp {
c.Namespace = watchNamespace
}
appController, err = controller.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
c := &App{
Controller: appController,
}
return c, nil
}