DockerCLI/cli/command/system/df.go

78 lines
1.9 KiB
Go

package system
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/cli/cli/command/formatter"
flagsHelper "github.com/docker/cli/cli/flags"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type diskUsageOptions struct {
verbose bool
format string
}
// newDiskUsageCommand creates a new cobra.Command for `docker df`
func newDiskUsageCommand(dockerCli command.Cli) *cobra.Command {
var opts diskUsageOptions
cmd := &cobra.Command{
Use: "df [OPTIONS]",
Short: "Show docker disk usage",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runDiskUsage(cmd.Context(), dockerCli, opts)
},
Annotations: map[string]string{"version": "1.25"},
ValidArgsFunction: completion.NoComplete,
}
flags := cmd.Flags()
flags.BoolVarP(&opts.verbose, "verbose", "v", false, "Show detailed information on space usage")
flags.StringVar(&opts.format, "format", "", flagsHelper.FormatHelp)
return cmd
}
func runDiskUsage(ctx context.Context, dockerCli command.Cli, opts diskUsageOptions) error {
// TODO expose types.DiskUsageOptions.Types as flag on the command-line and/or as separate commands (docker container df / docker container usage)
du, err := dockerCli.Client().DiskUsage(ctx, types.DiskUsageOptions{})
if err != nil {
return err
}
format := opts.format
if len(format) == 0 {
format = formatter.TableFormatKey
}
var bsz int64
for _, bc := range du.BuildCache {
if !bc.Shared {
bsz += bc.Size
}
}
duCtx := formatter.DiskUsageContext{
Context: formatter.Context{
Output: dockerCli.Out(),
Format: formatter.NewDiskUsageFormat(format, opts.verbose),
},
LayersSize: du.LayersSize,
BuilderSize: bsz,
BuildCache: du.BuildCache,
Images: du.Images,
Containers: du.Containers,
Volumes: du.Volumes,
Verbose: opts.verbose,
}
return duCtx.Write()
}