github.com/google/cadvisor@v0.49.1/stats/noop.go (about)

     1  // Copyright 2020 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Noop perf Manager and Collector.
    16  package stats
    17  
    18  import (
    19  	"k8s.io/klog/v2"
    20  
    21  	v1 "github.com/google/cadvisor/info/v1"
    22  )
    23  
    24  type NoopManager struct {
    25  	NoopDestroy
    26  }
    27  
    28  type NoopDestroy struct{}
    29  
    30  func (nsd NoopDestroy) Destroy() {
    31  	klog.V(5).Info("No-op Destroy function called")
    32  }
    33  
    34  func (m *NoopManager) GetCollector(cgroup string) (Collector, error) {
    35  	return &NoopCollector{}, nil
    36  }
    37  
    38  type NoopCollector struct {
    39  	NoopDestroy
    40  }
    41  
    42  func (c *NoopCollector) UpdateStats(stats *v1.ContainerStats) error {
    43  	return nil
    44  }