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serviceuser_controller.go
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/
serviceuser_controller.go
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// Copyright (c) 2022 Aiven, Helsinki, Finland. https://aiven.io/
package controllers
import (
"context"
"fmt"
"strconv"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/aiven/aiven-go-client"
"github.com/aiven/aiven-operator/api/v1alpha1"
)
// ServiceUserReconciler reconciles a ServiceUser object
type ServiceUserReconciler struct {
Controller
}
type ServiceUserHandler struct{}
// +kubebuilder:rbac:groups=aiven.io,resources=serviceusers,verbs=update;get;list;watch;create;delete
// +kubebuilder:rbac:groups=aiven.io,resources=serviceusers/status,verbs=get;update
func (r *ServiceUserReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
return r.reconcileInstance(ctx, req, ServiceUserHandler{}, &v1alpha1.ServiceUser{})
}
func (r *ServiceUserReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&v1alpha1.ServiceUser{}).
Complete(r)
}
func (h ServiceUserHandler) createOrUpdate(avn *aiven.Client, i client.Object) error {
user, err := h.convert(i)
if err != nil {
return err
}
u, err := avn.ServiceUsers.Create(user.Spec.Project, user.Spec.ServiceName,
aiven.CreateServiceUserRequest{
Username: user.Name,
AccessControl: &aiven.AccessControl{
RedisACLCategories: []string{},
RedisACLCommands: []string{},
RedisACLChannels: []string{},
RedisACLKeys: []string{},
},
})
if err != nil && !aiven.IsAlreadyExists(err) {
return fmt.Errorf("cannot createOrUpdate service user on aiven side: %w", err)
}
if u != nil {
user.Status.Type = u.Type
}
meta.SetStatusCondition(&user.Status.Conditions,
getInitializedCondition("Created",
"Instance was created or update on Aiven side"))
meta.SetStatusCondition(&user.Status.Conditions,
getRunningCondition(metav1.ConditionUnknown, "Created",
"Instance was created or update on Aiven side, status remains unknown"))
metav1.SetMetaDataAnnotation(&user.ObjectMeta,
processedGenerationAnnotation, strconv.FormatInt(user.GetGeneration(), formatIntBaseDecimal))
return nil
}
func (h ServiceUserHandler) delete(avn *aiven.Client, i client.Object) (bool, error) {
user, err := h.convert(i)
if err != nil {
return false, err
}
err = avn.ServiceUsers.Delete(user.Spec.Project, user.Spec.ServiceName, user.Name)
if !aiven.IsNotFound(err) {
return false, err
}
return true, nil
}
func (h ServiceUserHandler) get(avn *aiven.Client, i client.Object) (*corev1.Secret, error) {
user, err := h.convert(i)
if err != nil {
return nil, err
}
u, err := avn.ServiceUsers.Get(user.Spec.Project, user.Spec.ServiceName, user.Name)
if err != nil {
return nil, err
}
s, err := avn.Services.Get(user.Spec.Project, user.Spec.ServiceName)
if err != nil {
return nil, err
}
params := s.URIParams
caCert, err := avn.CA.Get(user.Spec.Project)
if err != nil {
return nil, fmt.Errorf("aiven client error %w", err)
}
meta.SetStatusCondition(&user.Status.Conditions,
getRunningCondition(metav1.ConditionTrue, "CheckRunning",
"Instance is running on Aiven side"))
metav1.SetMetaDataAnnotation(&user.ObjectMeta, instanceIsRunningAnnotation, "true")
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: h.getSecretName(user),
Namespace: user.Namespace,
},
StringData: map[string]string{
"HOST": params["host"],
"PORT": params["port"],
"USERNAME": u.Username,
"PASSWORD": u.Password,
"ACCESS_CERT": u.AccessCert,
"ACCESS_KEY": u.AccessKey,
"CA_CERT": caCert,
},
}, nil
}
func (h ServiceUserHandler) getSecretName(user *v1alpha1.ServiceUser) string {
if user.Spec.ConnInfoSecretTarget.Name != "" {
return user.Spec.ConnInfoSecretTarget.Name
}
return user.Name
}
func (h ServiceUserHandler) checkPreconditions(avn *aiven.Client, i client.Object) (bool, error) {
user, err := h.convert(i)
if err != nil {
return false, err
}
meta.SetStatusCondition(&user.Status.Conditions,
getInitializedCondition("Preconditions", "Checking preconditions"))
return checkServiceIsRunning(avn, user.Spec.Project, user.Spec.ServiceName)
}
func (h ServiceUserHandler) convert(i client.Object) (*v1alpha1.ServiceUser, error) {
db, ok := i.(*v1alpha1.ServiceUser)
if !ok {
return nil, fmt.Errorf("cannot convert object to ServiceUser")
}
return db, nil
}