/
cronjob_controller.go
119 lines (102 loc) · 4.11 KB
/
cronjob_controller.go
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package cronjob
import (
"context"
"encoding/json"
"fmt"
"github.com/choerodon/choerodon-cluster-agent/pkg/agent/model"
controllerutil "github.com/choerodon/choerodon-cluster-agent/pkg/util/controller"
"github.com/golang/glog"
batch_v1beata1 "k8s.io/api/batch/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/source"
)
var log = logf.Log.WithName("controller_cronjob")
/**
* USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
* business logic. Delete these comments after modifying this file.*
*/
// Add creates a new DaemonSet Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager, args *controllerutil.Args) error {
return add(mgr, newReconciler(mgr, args))
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager, args *controllerutil.Args) reconcile.Reconciler {
return &ReconcileCronJob{client: mgr.GetClient(), scheme: mgr.GetScheme(), args: args}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New("cronjob-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
// Watch for changes to primary resource DaemonSet
err = c.Watch(&source.Kind{Type: &batch_v1beata1.CronJob{}}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
}
return nil
}
// blank assignment to verify that ReconcileCronJob implements reconcile.Reconciler
var _ reconcile.Reconciler = &ReconcileCronJob{}
// ReconcileCronJob reconciles a DaemonSet object
type ReconcileCronJob struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
scheme *runtime.Scheme
args *controllerutil.Args
}
// Reconcile reads that state of the cluster for a DaemonSet object and makes changes based on the state read
// and what is in the DaemonSet.Spec
// TODO(user): Modify this Reconcile function to implement your Controller logic. This example creates
// a Pod as an example
// Note:
// The Controller will requeue the Request to be processed again if the returned error is non-nil or
// Result.Requeue is true, otherwise upon completion it will remove the work from the queue.
func (r *ReconcileCronJob) Reconcile(ctx context.Context,request reconcile.Request) (reconcile.Result, error) {
reqLogger := log.WithValues("Request.Namespace", request.Namespace, "Request.Name", request.Name)
reqLogger.Info("Reconciling CronJob")
responseChan := r.args.CrChan.ResponseChan
// Fetch the DaemonSet instance
instance := &batch_v1beata1.CronJob{}
err := r.client.Get(context.TODO(), request.NamespacedName, instance)
if err != nil {
if errors.IsNotFound(err) {
responseChan <- newCronJobDelRep(request.Name, request.Namespace)
glog.Warningf("cronjob '%s' in work queue no longer exists", request.Name)
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
}
if instance.Labels[model.WorkloadLabel] != "" {
responseChan <- newRepoCronJobRep(instance)
}
return reconcile.Result{}, nil
}
func newCronJobDelRep(name string, namespace string) *model.Packet {
return &model.Packet{
Key: fmt.Sprintf("env:%s.CronJob:%s", namespace, name),
Type: model.ResourceDelete,
}
}
func newRepoCronJobRep(cronJob *batch_v1beata1.CronJob) *model.Packet {
payload, err := json.Marshal(cronJob)
if err != nil {
glog.Error(err)
}
return &model.Packet{
Key: fmt.Sprintf("env:%s.CronJob:%s", cronJob.Namespace, cronJob.Name),
Type: model.ResourceUpdate,
Payload: string(payload),
}
}