formolcli/pkg/controllers/backupsession_controller.go

110 lines
4.0 KiB
Go

package controllers
import (
"context"
"github.com/go-logr/logr"
"k8s.io/apimachinery/pkg/runtime"
"os"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"time"
formolv1alpha1 "github.com/desmo999r/formol/api/v1alpha1"
"github.com/desmo999r/formolcli/pkg/restic"
formolcliutils "github.com/desmo999r/formolcli/pkg/utils"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// BackupSessionReconciler reconciles a BackupSession object
type BackupSessionReconciler struct {
client.Client
Log logr.Logger
Scheme *runtime.Scheme
}
func (r *BackupSessionReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
time.Sleep(2 * time.Second)
ctx := context.Background()
log := r.Log.WithValues("backupsession", req.NamespacedName)
// your logic here
backupSession := &formolv1alpha1.BackupSession{}
if err := r.Get(ctx, req.NamespacedName, backupSession); err != nil {
log.Error(err, "unable to get backupsession")
return ctrl.Result{}, client.IgnoreNotFound(err)
}
backupConf := &formolv1alpha1.BackupConfiguration{}
if err := r.Get(ctx, client.ObjectKey{
Namespace: backupSession.Namespace,
Name: backupSession.Spec.Ref.Name,
}, backupConf); err != nil {
log.Error(err, "unable to get backupConfiguration")
return ctrl.Result{}, client.IgnoreNotFound(err)
}
deploymentName := os.Getenv("POD_DEPLOYMENT")
for _, target := range backupConf.Spec.Targets {
switch target.Kind {
case "Deployment":
if target.Name == deploymentName {
for i, status := range backupSession.Status.Targets {
if status.Name == target.Name {
log.V(0).Info("It's for us!", "target", target)
switch status.SessionState {
case formolv1alpha1.New:
// TODO: Run beforeBackup
log.V(0).Info("New session, run the beforeBackup hooks if any")
result := formolv1alpha1.Running
if err := formolcliutils.RunBeforeBackup(target); err != nil {
result = formolv1alpha1.Failure
}
backupSession.Status.Targets[i].SessionState = result
log.V(1).Info("current backupSession status", "status", backupSession.Status)
if err := r.Status().Update(ctx, backupSession); err != nil {
log.Error(err, "unable to update backupsession status")
return ctrl.Result{}, err
}
case formolv1alpha1.Running:
log.V(0).Info("Running session. Do the backup")
result := formolv1alpha1.Success
status.StartTime = &metav1.Time{Time: time.Now()}
output, err := restic.BackupPaths(backupSession.Name, target.Paths)
if err != nil {
log.Error(err, "unable to backup deployment", "output", string(output))
result = formolv1alpha1.Failure
} else {
snapshotId := restic.GetBackupResults(output)
backupSession.Status.Targets[i].SnapshotId = snapshotId
backupSession.Status.Targets[i].Duration = &metav1.Duration{Duration: time.Now().Sub(backupSession.Status.Targets[i].StartTime.Time)}
}
backupSession.Status.Targets[i].SessionState = result
log.V(1).Info("current backupSession status", "status", backupSession.Status)
if err := r.Status().Update(ctx, backupSession); err != nil {
log.Error(err, "unable to update backupsession status")
return ctrl.Result{}, err
}
case formolv1alpha1.Success, formolv1alpha1.Failure:
// I decided not to flag the backup as a failure if the AfterBackup command fail. But maybe I'm wrong
log.V(0).Info("Backup is over, run the afterBackup hooks if any")
formolcliutils.RunAfterBackup(target)
}
}
}
}
}
}
return ctrl.Result{}, nil
}
func (r *BackupSessionReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&formolv1alpha1.BackupSession{}).
WithEventFilter(predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool { return false },
DeleteFunc: func(e event.DeleteEvent) bool { return false },
}).
Complete(r)
}