github.com/oam-dev/kubevela@v1.9.11/pkg/multicluster/errors.go (about)

     1  /*
     2  Copyright 2021 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 multicluster
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  
    23  	kerrors "k8s.io/apimachinery/pkg/api/errors"
    24  )
    25  
    26  var (
    27  	// ErrClusterExists cluster already exists
    28  	ErrClusterExists = ClusterManagementError(fmt.Errorf("cluster already exists"))
    29  	// ErrClusterNotExists cluster not exists
    30  	ErrClusterNotExists = ClusterManagementError(fmt.Errorf("no such cluster"))
    31  	// ErrReservedLocalClusterName reserved cluster name is used
    32  	ErrReservedLocalClusterName = ClusterManagementError(fmt.Errorf("cluster name `local` is reserved for kubevela hub cluster"))
    33  	// ErrDetectClusterGateway fail to wait for ClusterGateway service ready
    34  	ErrDetectClusterGateway = ClusterManagementError(fmt.Errorf("failed to wait for cluster gateway, unable to use multi-cluster"))
    35  )
    36  
    37  // ClusterManagementError multicluster management error
    38  type ClusterManagementError error
    39  
    40  // IsClusterNotExists check if error is cluster not exists
    41  func IsClusterNotExists(err error) bool {
    42  	return strings.Contains(err.Error(), "no such cluster")
    43  }
    44  
    45  // IsNotFoundOrClusterNotExists check if error is not found or cluster not exists
    46  func IsNotFoundOrClusterNotExists(err error) bool {
    47  	return kerrors.IsNotFound(err) || IsClusterNotExists(err)
    48  }
    49  
    50  // IsClusterDisconnect check if error is cluster disconnect
    51  func IsClusterDisconnect(err error) bool {
    52  	return strings.Contains(err.Error(), "dial tcp")
    53  }