84 lines
3.0 KiB
Go
84 lines
3.0 KiB
Go
/*
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Copyright The containerd 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 images
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import (
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"context"
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"time"
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"github.com/containerd/containerd/v2/internal/cri/store/snapshot"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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)
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// ImageFsInfo returns information of the filesystem that is used to store images.
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// TODO(windows): Usage for windows is always 0 right now. Support this for windows.
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// TODO(random-liu): Handle storage consumed by content store
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func (c *CRIImageService) ImageFsInfo(ctx context.Context, r *runtime.ImageFsInfoRequest) (*runtime.ImageFsInfoResponse, error) {
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snapshots := c.snapshotStore.List()
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snapshotterFSInfos := map[string]snapshot.Snapshot{}
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for _, sn := range snapshots {
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if info, ok := snapshotterFSInfos[sn.Key.Snapshotter]; ok {
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// Use the oldest timestamp as the timestamp of imagefs info.
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if sn.Timestamp < info.Timestamp {
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info.Timestamp = sn.Timestamp
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}
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info.Size += sn.Size
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info.Inodes += sn.Inodes
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snapshotterFSInfos[sn.Key.Snapshotter] = info
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} else {
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snapshotterFSInfos[sn.Key.Snapshotter] = snapshot.Snapshot{
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Timestamp: sn.Timestamp,
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Size: sn.Size,
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Inodes: sn.Inodes,
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}
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}
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}
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var imageFilesystems []*runtime.FilesystemUsage
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// Currently kubelet always consumes the first entry of the returned array,
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// so put the default snapshotter as the first entry for compatibility.
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if info, ok := snapshotterFSInfos[c.config.Snapshotter]; ok {
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imageFilesystems = append(imageFilesystems, &runtime.FilesystemUsage{
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Timestamp: info.Timestamp,
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FsId: &runtime.FilesystemIdentifier{Mountpoint: c.imageFSPaths[c.config.Snapshotter]},
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UsedBytes: &runtime.UInt64Value{Value: info.Size},
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InodesUsed: &runtime.UInt64Value{Value: info.Inodes},
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})
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delete(snapshotterFSInfos, c.config.Snapshotter)
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} else {
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imageFilesystems = append(imageFilesystems, &runtime.FilesystemUsage{
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Timestamp: time.Now().UnixNano(),
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FsId: &runtime.FilesystemIdentifier{Mountpoint: c.imageFSPaths[c.config.Snapshotter]},
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UsedBytes: &runtime.UInt64Value{Value: 0},
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InodesUsed: &runtime.UInt64Value{Value: 0},
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})
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}
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for snapshotter, info := range snapshotterFSInfos {
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imageFilesystems = append(imageFilesystems, &runtime.FilesystemUsage{
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Timestamp: info.Timestamp,
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FsId: &runtime.FilesystemIdentifier{Mountpoint: c.imageFSPaths[snapshotter]},
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UsedBytes: &runtime.UInt64Value{Value: info.Size},
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InodesUsed: &runtime.UInt64Value{Value: info.Inodes},
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})
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}
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return &runtime.ImageFsInfoResponse{ImageFilesystems: imageFilesystems}, nil
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}
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