74 lines
1.8 KiB
Go
74 lines
1.8 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 commands
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import (
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"fmt"
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"log"
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"os"
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"github.com/dustin/go-humanize"
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"github.com/spf13/cobra"
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)
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var (
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StatsCmd = &cobra.Command{
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Use: "stats <manifest>",
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Short: "display statistics about the specified manifest",
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) != 1 {
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log.Fatalln("please specify a manifest")
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}
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bm, err := readManifestFile(args[0])
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if err != nil {
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log.Fatalf("error reading manifest: %v", err)
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}
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var stats struct {
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resources int
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files int
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directories int
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totalSize int64
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symlinks int
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}
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for _, entry := range bm.Resource {
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stats.resources++
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stats.totalSize += int64(entry.Size)
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mode := os.FileMode(entry.Mode)
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if mode.IsRegular() {
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stats.files += len(entry.Path) // count hardlinks!
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} else if mode.IsDir() {
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stats.directories++
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} else if mode&os.ModeSymlink != 0 {
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stats.symlinks++
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}
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}
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w := newTabwriter(os.Stdout)
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defer w.Flush()
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fmt.Fprintf(w, "resources\t%v\n", stats.resources)
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fmt.Fprintf(w, "directories\t%v\n", stats.directories)
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fmt.Fprintf(w, "files\t%v\n", stats.files)
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fmt.Fprintf(w, "symlinks\t%v\n", stats.symlinks)
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fmt.Fprintf(w, "size\t%v\n", humanize.Bytes(uint64(stats.totalSize)))
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},
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}
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)
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