79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
//go:build linux && !dockerless
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// +build linux,!dockerless
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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 dockershim
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import (
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"context"
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"os"
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"path/filepath"
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"time"
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"k8s.io/klog/v2"
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runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
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)
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// ImageFsInfo returns information of the filesystem that is used to store images.
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func (ds *dockerService) ImageFsInfo(_ context.Context, _ *runtimeapi.ImageFsInfoRequest) (*runtimeapi.ImageFsInfoResponse, error) {
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info, err := ds.client.Info()
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if err != nil {
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klog.ErrorS(err, "Failed to get docker info")
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return nil, err
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}
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bytes, inodes, err := dirSize(filepath.Join(info.DockerRootDir, "image"))
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if err != nil {
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return nil, err
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}
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return &runtimeapi.ImageFsInfoResponse{
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ImageFilesystems: []*runtimeapi.FilesystemUsage{
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{
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Timestamp: time.Now().Unix(),
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FsId: &runtimeapi.FilesystemIdentifier{
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Mountpoint: info.DockerRootDir,
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},
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UsedBytes: &runtimeapi.UInt64Value{
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Value: uint64(bytes),
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},
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InodesUsed: &runtimeapi.UInt64Value{
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Value: uint64(inodes),
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},
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},
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},
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}, nil
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}
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func dirSize(path string) (int64, int64, error) {
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bytes := int64(0)
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inodes := int64(0)
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err := filepath.Walk(path, func(dir string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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inodes++
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if !info.IsDir() {
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bytes += info.Size()
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}
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return nil
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})
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return bytes, inodes, err
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}
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