fake_watcher.go

Documentation: k8s.io/kubernetes/pkg/volume/flexvolume

     1  /*
     2  Copyright 2017 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 flexvolume
    18  
    19  import (
    20  	"github.com/fsnotify/fsnotify"
    21  	utilfs "k8s.io/kubernetes/pkg/util/filesystem"
    22  )
    23  
    24  // Mock filesystem watcher
    25  type fakeWatcher struct {
    26  	watches      []string // List of watches added by the prober, ordered from least recent to most recent.
    27  	eventHandler utilfs.FSEventHandler
    28  }
    29  
    30  var _ utilfs.FSWatcher = &fakeWatcher{}
    31  
    32  func newFakeWatcher() *fakeWatcher {
    33  	return &fakeWatcher{
    34  		watches: nil,
    35  	}
    36  }
    37  
    38  func (w *fakeWatcher) Init(eventHandler utilfs.FSEventHandler, _ utilfs.FSErrorHandler) error {
    39  	w.eventHandler = eventHandler
    40  	return nil
    41  }
    42  
    43  func (w *fakeWatcher) Run() { /* no-op */ }
    44  
    45  func (w *fakeWatcher) AddWatch(path string) error {
    46  	w.watches = append(w.watches, path)
    47  	return nil
    48  }
    49  
    50  // Triggers a mock filesystem event.
    51  func (w *fakeWatcher) TriggerEvent(op fsnotify.Op, filename string) {
    52  	w.eventHandler(fsnotify.Event{Op: op, Name: filename})
    53  }
    54
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