Files
kamaji/internal/resources/datastore/datastore_storage_config.go
2022-08-30 16:22:06 +02:00

113 lines
3.6 KiB
Go

// Copyright 2022 Clastix Labs
// SPDX-License-Identifier: Apache-2.0
package datastore
import (
"context"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
kamajiv1alpha1 "github.com/clastix/kamaji/api/v1alpha1"
"github.com/clastix/kamaji/internal/utilities"
)
type Config struct {
resource *corev1.Secret
Client client.Client
ConnString string
DataStore kamajiv1alpha1.DataStore
}
func (r *Config) ShouldStatusBeUpdated(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) bool {
return tenantControlPlane.Status.Storage.Config.Checksum != r.resource.GetAnnotations()["checksum"] ||
tenantControlPlane.Status.Storage.DataStoreName != r.DataStore.GetName()
}
func (r *Config) ShouldCleanup(*kamajiv1alpha1.TenantControlPlane) bool {
return false
}
func (r *Config) CleanUp(context.Context, *kamajiv1alpha1.TenantControlPlane) (bool, error) {
return false, nil
}
func (r *Config) Define(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
r.resource = &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: r.getPrefixedName(tenantControlPlane),
Namespace: tenantControlPlane.GetNamespace(),
},
}
return nil
}
func (r *Config) getPrefixedName(tenantControlPlane *kamajiv1alpha1.TenantControlPlane) string {
return utilities.AddTenantPrefix(r.GetName(), tenantControlPlane)
}
func (r *Config) GetClient() client.Client {
return r.Client
}
func (r *Config) CreateOrUpdate(ctx context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) (controllerutil.OperationResult, error) {
return utilities.CreateOrUpdateWithConflict(ctx, r.Client, r.resource, r.mutate(ctx, tenantControlPlane))
}
func (r *Config) GetName() string {
return "datastore-config"
}
func (r *Config) UpdateTenantControlPlaneStatus(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) error {
tenantControlPlane.Status.Storage.Driver = string(r.DataStore.Spec.Driver)
tenantControlPlane.Status.Storage.DataStoreName = r.DataStore.GetName()
tenantControlPlane.Status.Storage.Config.SecretName = r.resource.GetName()
tenantControlPlane.Status.Storage.Config.Checksum = r.resource.GetAnnotations()["checksum"]
return nil
}
func (r *Config) mutate(_ context.Context, tenantControlPlane *kamajiv1alpha1.TenantControlPlane) controllerutil.MutateFn {
return func() error {
var password []byte
savedHash, ok := r.resource.GetAnnotations()["checksum"]
switch {
case ok && savedHash == utilities.CalculateConfigMapChecksum(r.resource.StringData):
password = r.resource.Data["DB_PASSWORD"]
default:
password = []byte(utilities.GenerateUUIDString())
}
r.resource.Data = map[string][]byte{
"DB_CONNECTION_STRING": []byte(r.ConnString),
"DB_SCHEMA": []byte(tenantControlPlane.GetName()),
"DB_USER": []byte(tenantControlPlane.GetName()),
"DB_PASSWORD": password,
}
annotations := r.resource.GetAnnotations()
if annotations == nil {
annotations = map[string]string{}
}
annotations["checksum"] = utilities.CalculateConfigMapChecksum(r.resource.StringData)
r.resource.SetAnnotations(annotations)
r.resource.SetLabels(utilities.MergeMaps(
utilities.KamajiLabels(),
map[string]string{
"kamaji.clastix.io/name": tenantControlPlane.GetName(),
"kamaji.clastix.io/component": r.GetName(),
},
))
return ctrl.SetControllerReference(tenantControlPlane, r.resource, r.Client.Scheme())
}
}