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projectvpc_controller.go
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/
projectvpc_controller.go
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// Copyright (c) 2022 Aiven, Helsinki, Finland. https://aiven.io/
package controllers
import (
"context"
"fmt"
"strconv"
"github.com/aiven/aiven-go-client"
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-operator/api/v1alpha1"
)
var isDependencyError = v1alpha1.ErrorSubstrChecker(
"VPC cannot be deleted while there are services in it",
"VPC cannot be deleted while there are services migrating from it",
)
// ProjectVPCReconciler reconciles a ProjectVPC object
type ProjectVPCReconciler struct {
Controller
}
type ProjectVPCHandler struct{}
// +kubebuilder:rbac:groups=aiven.io,resources=projectvpcs,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=aiven.io,resources=projectvpcs/status,verbs=get;update;patch
func (r *ProjectVPCReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
return r.reconcileInstance(ctx, req, &ProjectVPCHandler{}, &v1alpha1.ProjectVPC{})
}
func (r *ProjectVPCReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&v1alpha1.ProjectVPC{}).
Complete(r)
}
func (h *ProjectVPCHandler) createOrUpdate(avn *aiven.Client, i client.Object, refs []client.Object) error {
projectVPC, err := h.convert(i)
if err != nil {
return err
}
vpc, err := avn.VPCs.Create(projectVPC.Spec.Project, aiven.CreateVPCRequest{
CloudName: projectVPC.Spec.CloudName,
NetworkCIDR: projectVPC.Spec.NetworkCidr,
})
if err != nil {
return err
}
projectVPC.Status.ID = vpc.ProjectVPCID
meta.SetStatusCondition(&projectVPC.Status.Conditions,
getInitializedCondition("Created",
"Instance was created or update on Aiven side"))
meta.SetStatusCondition(&projectVPC.Status.Conditions,
getRunningCondition(metav1.ConditionUnknown, "Created",
"Instance was created or update on Aiven side, status remains unknown"))
metav1.SetMetaDataAnnotation(&projectVPC.ObjectMeta,
processedGenerationAnnotation, strconv.FormatInt(projectVPC.GetGeneration(), formatIntBaseDecimal))
return nil
}
func (h *ProjectVPCHandler) delete(avn *aiven.Client, i client.Object) (bool, error) {
projectVPC, err := h.convert(i)
if err != nil {
return false, err
}
vpc, err := avn.VPCs.Get(projectVPC.Spec.Project, projectVPC.Status.ID)
if aiven.IsNotFound(err) {
return true, nil
}
if err != nil {
return false, err
}
switch vpc.State {
case "DELETING", "DELETED":
return true, nil
}
err = avn.VPCs.Delete(projectVPC.Spec.Project, projectVPC.Status.ID)
if isDependencyError(err) {
return false, fmt.Errorf("%w: %s", v1alpha1.ErrDeleteDependencies, err)
}
return false, nil
}
func (h *ProjectVPCHandler) get(avn *aiven.Client, i client.Object) (*corev1.Secret, error) {
projectVPC, err := h.convert(i)
if err != nil {
return nil, err
}
vpc, err := avn.VPCs.Get(projectVPC.Spec.Project, projectVPC.Status.ID)
if err != nil {
return nil, err
}
projectVPC.Status.State = vpc.State
if vpc.State == "ACTIVE" {
meta.SetStatusCondition(&projectVPC.Status.Conditions,
getRunningCondition(metav1.ConditionTrue, "CheckRunning",
"Instance is running on Aiven side"))
metav1.SetMetaDataAnnotation(&projectVPC.ObjectMeta, instanceIsRunningAnnotation, "true")
}
return nil, nil
}
func (h *ProjectVPCHandler) checkPreconditions(_ *aiven.Client, _ client.Object) (bool, error) {
return true, nil
}
func (h *ProjectVPCHandler) convert(i client.Object) (*v1alpha1.ProjectVPC, error) {
vpc, ok := i.(*v1alpha1.ProjectVPC)
if !ok {
return nil, fmt.Errorf("cannot convert object to ProjectVPC")
}
return vpc, nil
}