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56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
// +build cgo,linux
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cadvisor
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import (
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"fmt"
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cadvisorfs "github.com/google/cadvisor/fs"
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"k8s.io/kubernetes/pkg/kubelet/types"
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)
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// imageFsInfoProvider knows how to translate the configured runtime
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// to its file system label for images.
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type imageFsInfoProvider struct {
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runtime string
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runtimeEndpoint string
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}
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// ImageFsInfoLabel returns the image fs label for the configured runtime.
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// For remote runtimes, it handles additional runtimes natively understood by cAdvisor.
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func (i *imageFsInfoProvider) ImageFsInfoLabel() (string, error) {
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switch i.runtime {
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case types.DockerContainerRuntime:
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return cadvisorfs.LabelDockerImages, nil
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case types.RemoteContainerRuntime:
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// This is a temporary workaround to get stats for cri-o from cadvisor
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// and should be removed.
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// Related to https://github.com/kubernetes/kubernetes/issues/51798
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if i.runtimeEndpoint == CrioSocket || i.runtimeEndpoint == "unix://"+CrioSocket {
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return cadvisorfs.LabelCrioImages, nil
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}
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}
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return "", fmt.Errorf("no imagefs label for configured runtime")
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}
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// NewImageFsInfoProvider returns a provider for the specified runtime configuration.
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func NewImageFsInfoProvider(runtime, runtimeEndpoint string) ImageFsInfoProvider {
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return &imageFsInfoProvider{runtime: runtime, runtimeEndpoint: runtimeEndpoint}
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}
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