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configmap.go
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configmap.go
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package reconcile
import (
"context"
"fmt"
"github.com/caapim/layer7-operator/pkg/portal"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
func ConfigMap(ctx context.Context, params Params, apiSummary []byte) error {
desiredConfigMap := portal.NewConfigMap(params.Instance, apiSummary)
err := reconcileConfigMap(ctx, params, desiredConfigMap)
if err != nil {
return fmt.Errorf("failed to reconcile configMaps: %w", err)
}
return nil
}
func reconcileConfigMap(ctx context.Context, params Params, desiredConfigMap *corev1.ConfigMap) error {
if err := controllerutil.SetControllerReference(params.Instance, desiredConfigMap, params.Scheme); err != nil {
return fmt.Errorf("failed to set controller reference: %w", err)
}
currentConfigMap := corev1.ConfigMap{}
err := params.Client.Get(ctx, types.NamespacedName{Name: desiredConfigMap.Name, Namespace: params.Instance.Namespace}, ¤tConfigMap)
if err != nil && k8serrors.IsNotFound(err) {
if err = params.Client.Create(ctx, desiredConfigMap); err != nil {
return err
}
params.Log.Info("created configMap", "name", desiredConfigMap.Name, "namespace", params.Instance.Namespace)
return nil
}
if err != nil {
return err
}
if desiredConfigMap.ObjectMeta.Annotations["checksum/data"] != currentConfigMap.ObjectMeta.Annotations["checksum/data"] {
patch := client.MergeFrom(¤tConfigMap)
if err := params.Client.Patch(ctx, desiredConfigMap, patch); err != nil {
return err
}
params.Log.Info("configMap updated", "name", desiredConfigMap.Name, "namespace", desiredConfigMap.Namespace)
return nil
}
return nil
}