cadvisor_fake.go

Documentation: k8s.io/kubernetes/pkg/kubelet/cadvisor/testing

     1  /*
     2  Copyright 2015 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 testing
    18  
    19  import (
    20  	cadvisorapi "github.com/google/cadvisor/info/v1"
    21  	cadvisorapiv2 "github.com/google/cadvisor/info/v2"
    22  	"k8s.io/kubernetes/pkg/kubelet/cadvisor"
    23  )
    24  
    25  // Fake cadvisor.Interface implementation.
    26  type Fake struct {
    27  	NodeName string
    28  }
    29  
    30  const (
    31  	// FakeKernelVersion is a fake kernel version for testing.
    32  	FakeKernelVersion = "3.16.0-0.bpo.4-amd64"
    33  	// FakeContainerOSVersion is a fake OS version for testing.
    34  	FakeContainerOSVersion = "Debian GNU/Linux 7 (wheezy)"
    35  
    36  	fakeNumCores       = 1
    37  	fakeMemoryCapacity = 4026531840
    38  	fakeDockerVersion  = "1.13.1"
    39  )
    40  
    41  var _ cadvisor.Interface = new(Fake)
    42  
    43  // Start is a fake implementation of Interface.Start.
    44  func (c *Fake) Start() error {
    45  	return nil
    46  }
    47  
    48  // ContainerInfoV2 is a fake implementation of Interface.ContainerInfoV2.
    49  func (c *Fake) ContainerInfoV2(name string, options cadvisorapiv2.RequestOptions) (map[string]cadvisorapiv2.ContainerInfo, error) {
    50  	return map[string]cadvisorapiv2.ContainerInfo{}, nil
    51  }
    52  
    53  // GetRequestedContainersInfo is a fake implementation if Interface.GetRequestedContainersInfo
    54  func (c *Fake) GetRequestedContainersInfo(containerName string, options cadvisorapiv2.RequestOptions) (map[string]*cadvisorapi.ContainerInfo, error) {
    55  	return map[string]*cadvisorapi.ContainerInfo{}, nil
    56  }
    57  
    58  // MachineInfo is a fake implementation of Interface.MachineInfo.
    59  func (c *Fake) MachineInfo() (*cadvisorapi.MachineInfo, error) {
    60  	// Simulate a machine with 1 core and 3.75GB of memory.
    61  	// We set it to non-zero values to make non-zero-capacity machines in Kubemark.
    62  	return &cadvisorapi.MachineInfo{
    63  		NumCores:       fakeNumCores,
    64  		InstanceID:     cadvisorapi.InstanceID(c.NodeName),
    65  		MemoryCapacity: fakeMemoryCapacity,
    66  	}, nil
    67  }
    68  
    69  // VersionInfo is a fake implementation of Interface.VersionInfo.
    70  func (c *Fake) VersionInfo() (*cadvisorapi.VersionInfo, error) {
    71  	return &cadvisorapi.VersionInfo{
    72  		KernelVersion:      FakeKernelVersion,
    73  		ContainerOsVersion: FakeContainerOSVersion,
    74  		DockerVersion:      fakeDockerVersion,
    75  	}, nil
    76  }
    77  
    78  // ImagesFsInfo is a fake implementation of Interface.ImagesFsInfo.
    79  func (c *Fake) ImagesFsInfo() (cadvisorapiv2.FsInfo, error) {
    80  	return cadvisorapiv2.FsInfo{}, nil
    81  }
    82  
    83  // RootFsInfo is a fake implementation of Interface.RootFsInfo.
    84  func (c *Fake) RootFsInfo() (cadvisorapiv2.FsInfo, error) {
    85  	return cadvisorapiv2.FsInfo{}, nil
    86  }
    87  
    88  // ContainerFsInfo is a fake implementation of Interface.ContainerFsInfo.
    89  func (c *Fake) ContainerFsInfo() (cadvisorapiv2.FsInfo, error) {
    90  	return cadvisorapiv2.FsInfo{}, nil
    91  }
    92  
    93  // GetDirFsInfo is a fake implementation of Interface.GetDirFsInfo.
    94  func (c *Fake) GetDirFsInfo(path string) (cadvisorapiv2.FsInfo, error) {
    95  	return cadvisorapiv2.FsInfo{}, nil
    96  }
    97
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