buildx/commands/diskusage.go

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package commands
import (
"fmt"
"io"
"os"
"text/tabwriter"
"github.com/moby/buildkit/client"
"github.com/tonistiigi/units"
)
func printKV(w io.Writer, k string, v interface{}) {
fmt.Fprintf(w, "%s:\t%v\n", k, v)
}
func printVerbose(tw *tabwriter.Writer, du []*client.UsageInfo) {
for _, di := range du {
printKV(tw, "ID", di.ID)
if di.Parent != "" {
printKV(tw, "Parent", di.Parent)
}
printKV(tw, "Created at", di.CreatedAt)
printKV(tw, "Mutable", di.Mutable)
printKV(tw, "Reclaimable", !di.InUse)
printKV(tw, "Shared", di.Shared)
printKV(tw, "Size", fmt.Sprintf("%.2f", units.Bytes(di.Size)))
if di.Description != "" {
printKV(tw, "Description", di.Description)
}
printKV(tw, "Usage count", di.UsageCount)
if di.LastUsedAt != nil {
printKV(tw, "Last used", di.LastUsedAt)
}
if di.RecordType != "" {
printKV(tw, "Type", di.RecordType)
}
fmt.Fprintf(tw, "\n")
}
tw.Flush()
}
func printTable(tw *tabwriter.Writer, du []*client.UsageInfo) {
printTableHeader(tw)
for _, di := range du {
printTableRow(tw, di)
}
tw.Flush()
}
func printTableHeader(tw *tabwriter.Writer) {
fmt.Fprintln(tw, "ID\tRECLAIMABLE\tSIZE\tLAST ACCESSED")
}
func printTableRow(tw *tabwriter.Writer, di *client.UsageInfo) {
id := di.ID
if di.Mutable {
id += "*"
}
size := fmt.Sprintf("%.2f", units.Bytes(di.Size))
if di.Shared {
size += "*"
}
fmt.Fprintf(tw, "%-71s\t%-11v\t%s\t\n", id, !di.InUse, size)
}
func printSummary(tw *tabwriter.Writer, du []*client.UsageInfo) {
total := int64(0)
reclaimable := int64(0)
shared := int64(0)
for _, di := range du {
if di.Size > 0 {
total += di.Size
if !di.InUse {
reclaimable += di.Size
}
}
if di.Shared {
shared += di.Size
}
}
tw = tabwriter.NewWriter(os.Stdout, 1, 8, 1, '\t', 0)
if shared > 0 {
fmt.Fprintf(tw, "Shared:\t%.2f\n", units.Bytes(shared))
fmt.Fprintf(tw, "Private:\t%.2f\n", units.Bytes(total-shared))
}
fmt.Fprintf(tw, "Reclaimable:\t%.2f\n", units.Bytes(reclaimable))
fmt.Fprintf(tw, "Total:\t%.2f\n", units.Bytes(total))
tw.Flush()
}