/
shared.go
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/
shared.go
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package controllers
import (
"context"
"fmt"
"github.com/go-logr/logr"
"github.com/syntasso/kratix/api/v1alpha1"
"github.com/syntasso/kratix/lib/resourceutil"
"github.com/syntasso/kratix/lib/writers"
batchv1 "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
const (
promiseVersionLabel = v1alpha1.KratixPrefix + "promise-version"
promiseReleaseNameLabel = v1alpha1.KratixPrefix + "promise-release-name"
removeAllWorkflowJobsFinalizer = v1alpha1.KratixPrefix + "workflows-cleanup"
runDeleteWorkflowsFinalizer = v1alpha1.KratixPrefix + "delete-workflows"
)
type StateStore interface {
client.Object
GetSecretRef() *v1.SecretReference
}
type opts struct {
ctx context.Context
client client.Client
logger logr.Logger
}
// pass in nil resourceLabels to delete all resources of the GVK
func deleteAllResourcesWithKindMatchingLabel(o opts, gvk schema.GroupVersionKind, resourceLabels map[string]string) (bool, error) {
resourceList := &unstructured.UnstructuredList{}
resourceList.SetGroupVersionKind(gvk)
listOptions := client.ListOptions{LabelSelector: labels.SelectorFromSet(resourceLabels)}
err := o.client.List(o.ctx, resourceList, &listOptions)
if err != nil {
return true, err
}
o.logger.Info("deleting resources", "gvk", resourceList.GroupVersionKind(), "withLabels", resourceLabels, "resources", resourceutil.GetResourceNames(resourceList.Items))
for _, resource := range resourceList.Items {
err = o.client.Delete(o.ctx, &resource, client.PropagationPolicy(metav1.DeletePropagationBackground))
o.logger.Info("deleting resource", "res", resource.GetName(), "gvk", resource.GroupVersionKind())
if err != nil && !errors.IsNotFound(err) {
o.logger.Error(err, "Error deleting resource, will try again in 5 seconds", "name", resource.GetName(), "kind", resource.GetKind())
return true, err
}
o.logger.Info("successfully triggered deletion of resource", "name", resource.GetName(), "kind", resource.GetKind())
}
return len(resourceList.Items) != 0, nil
}
// finalizers must be less than 64 characters
func addFinalizers(o opts, resource client.Object, finalizers []string) (ctrl.Result, error) {
o.logger.Info("Adding missing finalizers",
"expectedFinalizers", finalizers,
"existingFinalizers", resource.GetFinalizers(),
)
for _, finalizer := range finalizers {
controllerutil.AddFinalizer(resource, finalizer)
}
if err := o.client.Update(o.ctx, resource); err != nil {
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
func fetchObjectAndSecret(o opts, stateStoreRef client.ObjectKey, stateStore StateStore) (*v1.Secret, error) {
if err := o.client.Get(o.ctx, stateStoreRef, stateStore); err != nil {
o.logger.Error(err, "unable to fetch resource", "resourceKind", stateStore.GetObjectKind(), "stateStoreRef", stateStoreRef)
return nil, err
}
if stateStore.GetSecretRef() == nil {
return nil, nil
}
namespace := stateStore.GetSecretRef().Namespace
if namespace == "" {
namespace = v1alpha1.SystemNamespace
}
secret := &v1.Secret{}
secretRef := types.NamespacedName{
Name: stateStore.GetSecretRef().Name,
Namespace: namespace,
}
if err := o.client.Get(o.ctx, secretRef, secret); err != nil {
o.logger.Error(err, "unable to fetch resource", "resourceKind", stateStore.GetObjectKind(), "secretRef", secretRef)
return nil, err
}
return secret, nil
}
func newWriter(o opts, destination v1alpha1.Destination) (writers.StateStoreWriter, error) {
stateStoreRef := client.ObjectKey{
Name: destination.Spec.StateStoreRef.Name,
Namespace: destination.Namespace,
}
var writer writers.StateStoreWriter
var err error
switch destination.Spec.StateStoreRef.Kind {
case "BucketStateStore":
stateStore := &v1alpha1.BucketStateStore{}
secret, fetchErr := fetchObjectAndSecret(o, stateStoreRef, stateStore)
if fetchErr != nil {
return nil, fetchErr
}
var data map[string][]byte = nil
if secret != nil {
data = secret.Data
}
writer, err = writers.NewS3Writer(o.logger.WithName("writers").WithName("BucketStateStoreWriter"), stateStore.Spec, destination, data)
case "GitStateStore":
stateStore := &v1alpha1.GitStateStore{}
secret, fetchErr := fetchObjectAndSecret(o, stateStoreRef, stateStore)
if fetchErr != nil {
return nil, fetchErr
}
writer, err = writers.NewGitWriter(o.logger.WithName("writers").WithName("GitStateStoreWriter"), stateStore.Spec, destination, secret.Data)
default:
return nil, fmt.Errorf("unsupported kind %s", destination.Spec.StateStoreRef.Kind)
}
if err != nil {
//TODO: should this be a retryable error?
o.logger.Error(err, "unable to create StateStoreWriter")
return nil, err
}
return writer, nil
}
func getJobsWithLabels(o opts, jobLabels map[string]string, namespace string) ([]batchv1.Job, error) {
selectorLabels := labels.FormatLabels(jobLabels)
selector, err := labels.Parse(selectorLabels)
if err != nil {
return nil, fmt.Errorf("error parsing labels %v: %w", jobLabels, err)
}
listOps := &client.ListOptions{
LabelSelector: selector,
Namespace: namespace,
}
jobs := &batchv1.JobList{}
err = o.client.List(o.ctx, jobs, listOps)
if err != nil {
o.logger.Error(err, "error listing jobs", "selectors", selector.String())
return nil, err
}
return jobs.Items, nil
}
func or(a, b string) string {
if a != "" {
return a
}
return b
}
func shortID(id string) string {
return id[0:5]
}