github.com/oam-dev/kubevela@v1.9.11/pkg/utils/app/reschedule.go (about)

     1  /*
     2  Copyright 2023 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package app
    18  
    19  import (
    20  	"context"
    21  	"reflect"
    22  	"strings"
    23  
    24  	"github.com/kubevela/pkg/controller/sharding"
    25  	"github.com/kubevela/pkg/util/slices"
    26  	"k8s.io/apimachinery/pkg/util/errors"
    27  	"k8s.io/klog/v2"
    28  	"sigs.k8s.io/controller-runtime/pkg/client"
    29  
    30  	"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
    31  	"github.com/oam-dev/kubevela/pkg/controller/core.oam.dev/v1beta1/application"
    32  	"github.com/oam-dev/kubevela/pkg/resourcetracker"
    33  )
    34  
    35  func reschedule(ctx context.Context, cli client.Client, o client.Object, shardID string) error {
    36  	oldID, scheduled := sharding.GetScheduledShardID(o)
    37  	if !scheduled || oldID != shardID {
    38  		sharding.SetScheduledShardID(o, shardID)
    39  		if err := cli.Update(ctx, o); err != nil {
    40  			return err
    41  		}
    42  		klog.Infof("schedule %s/%s to %s", strings.ToLower(o.GetObjectKind().GroupVersionKind().Kind), o.GetName(), shardID)
    43  	}
    44  	return nil
    45  }
    46  
    47  // RescheduleAppRevAndRT reschedule ApplicationRevision and ResourceTracker of app to given shard
    48  func RescheduleAppRevAndRT(ctx context.Context, cli client.Client, app *v1beta1.Application, shardID string) error {
    49  	rt, currentRT, ts, crRT, err := resourcetracker.ListApplicationResourceTrackers(ctx, cli, app)
    50  	if err != nil {
    51  		return err
    52  	}
    53  	appRevs, err := application.GetAppRevisions(ctx, cli, app.Name, app.Namespace)
    54  	if err != nil {
    55  		return err
    56  	}
    57  	var objs []client.Object
    58  	objs = append(objs, slices.Map(ts, func(r *v1beta1.ResourceTracker) client.Object { return r })...)
    59  	objs = append(objs, []client.Object{crRT, currentRT, rt}...)
    60  	objs = append(objs, slices.Map(appRevs, func(r v1beta1.ApplicationRevision) client.Object { return r.DeepCopy() })...)
    61  	objs = append(objs, app)
    62  	objs = slices.Filter(objs, func(o client.Object) bool {
    63  		return o != nil && !reflect.ValueOf(o).IsNil()
    64  	})
    65  	errs := slices.ParMap(objs, func(o client.Object) error { return reschedule(ctx, cli, o, shardID) })
    66  	return errors.NewAggregate(errs)
    67  }