sigs.k8s.io/cluster-api@v1.7.1/cmd/clusterctl/client/alpha/rollout_restarter.go (about)

     1  /*
     2  Copyright 2020 The Kubernetes 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 alpha
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"github.com/pkg/errors"
    24  	corev1 "k8s.io/api/core/v1"
    25  
    26  	"sigs.k8s.io/cluster-api/cmd/clusterctl/client/cluster"
    27  	"sigs.k8s.io/cluster-api/util/annotations"
    28  )
    29  
    30  // ObjectRestarter will issue a restart on the specified cluster-api resource.
    31  func (r *rollout) ObjectRestarter(ctx context.Context, proxy cluster.Proxy, ref corev1.ObjectReference) error {
    32  	switch ref.Kind {
    33  	case MachineDeployment:
    34  		deployment, err := getMachineDeployment(ctx, proxy, ref.Name, ref.Namespace)
    35  		if err != nil || deployment == nil {
    36  			return errors.Wrapf(err, "failed to fetch %v/%v", ref.Kind, ref.Name)
    37  		}
    38  		if deployment.Spec.Paused {
    39  			return errors.Errorf("can't restart paused MachineDeployment (run rollout resume first): %v/%v", ref.Kind, ref.Name)
    40  		}
    41  		if deployment.Spec.RolloutAfter != nil && deployment.Spec.RolloutAfter.After(time.Now()) {
    42  			return errors.Errorf("can't update MachineDeployment (remove 'spec.rolloutAfter' first): %v/%v", ref.Kind, ref.Name)
    43  		}
    44  		if err := setRolloutAfterOnMachineDeployment(ctx, proxy, ref.Name, ref.Namespace); err != nil {
    45  			return err
    46  		}
    47  	case KubeadmControlPlane:
    48  		kcp, err := getKubeadmControlPlane(ctx, proxy, ref.Name, ref.Namespace)
    49  		if err != nil || kcp == nil {
    50  			return errors.Wrapf(err, "failed to fetch %v/%v", ref.Kind, ref.Name)
    51  		}
    52  		if annotations.HasPaused(kcp.GetObjectMeta()) {
    53  			return errors.Errorf("can't restart paused KubeadmControlPlane (remove annotation 'cluster.x-k8s.io/paused' first): %v/%v", ref.Kind, ref.Name)
    54  		}
    55  		if kcp.Spec.RolloutAfter != nil && kcp.Spec.RolloutAfter.After(time.Now()) {
    56  			return errors.Errorf("can't update KubeadmControlPlane (remove 'spec.rolloutAfter' first): %v/%v", ref.Kind, ref.Name)
    57  		}
    58  		if err := setRolloutAfterOnKCP(ctx, proxy, ref.Name, ref.Namespace); err != nil {
    59  			return err
    60  		}
    61  	default:
    62  		return errors.Errorf("Invalid resource type %v. Valid values: %v", ref.Kind, validResourceTypes)
    63  	}
    64  	return nil
    65  }