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system df: show table output for build cache 

Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2018-08-31 22:14:36 +00:00
parent c806eb49c9
commit ca608c2302
4 changed files with 193 additions and 25 deletions
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165
cli/command/formatter/buildcache.go Normal file
View File

@ -0,0 +1,165 @@
package formatter
import (
"fmt"
"sort"
"strings"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/go-units"
)
const (
defaultBuildCacheTableFormat = "table {{.ID}}\t{{.Type}}\t{{.Size}}\t{{.CreatedSince}}\t{{.LastUsedSince}}\t{{.UsageCount}}\t{{.Shared}}\t{{.Description}}"
cacheIDHeader = "CACHE ID"
parentHeader = "PARENT"
lastUsedSinceHeader = "LAST USED"
usageCountHeader = "USAGE"
inUseHeader = "IN USE"
sharedHeader = "SHARED"
)
// NewBuildCacheFormat returns a Format for rendering using a Context
func NewBuildCacheFormat(source string, quiet bool) Format {
switch source {
case TableFormatKey:
if quiet {
return defaultQuietFormat
}
return Format(defaultBuildCacheTableFormat)
case RawFormatKey:
if quiet {
return `build_cache_id: {{.ID}}`
}
format := `build_cache_id: {{.ID}}
parent_id: {{.Parent}}
type: {{.Type}}
description: {{.Description}}
created_at: {{.CreatedSince}}
last_used_at: {{.LastUsedSince}}
usage_count: {{.UsageCount}}
in_use: {{.InUse}}
shared: {{.Shared}}
`
return Format(format)
}
return Format(source)
}
func buildCacheSort(buildCache []*types.BuildCache) {
sort.Slice(buildCache, func(i, j int) bool {
lui, luj := buildCache[i].LastUsedAt, buildCache[j].LastUsedAt
switch {
case lui == nil && luj == nil:
return strings.Compare(buildCache[i].ID, buildCache[j].ID) < 0
case lui == nil:
return true
case luj == nil:
return false
case lui.Equal(*luj):
return strings.Compare(buildCache[i].ID, buildCache[j].ID) < 0
default:
return lui.Before(*luj)
}
})
}
// BuildCacheWrite renders the context for a list of containers
func BuildCacheWrite(ctx Context, buildCaches []*types.BuildCache) error {
render := func(format func(subContext subContext) error) error {
buildCacheSort(buildCaches)
for _, bc := range buildCaches {
err := format(&buildCacheContext{trunc: ctx.Trunc, v: bc})
if err != nil {
return err
}
}
return nil
}
return ctx.Write(newBuildCacheContext(), render)
}
type buildCacheHeaderContext map[string]string
type buildCacheContext struct {
HeaderContext
trunc bool
v *types.BuildCache
}
func newBuildCacheContext() *buildCacheContext {
buildCacheCtx := buildCacheContext{}
buildCacheCtx.header = buildCacheHeaderContext{
"ID": cacheIDHeader,
"Parent": parentHeader,
"Type": typeHeader,
"Size": sizeHeader,
"CreatedSince": createdSinceHeader,
"LastUsedSince": lastUsedSinceHeader,
"UsageCount": usageCountHeader,
"InUse": inUseHeader,
"Shared": sharedHeader,
"Description": descriptionHeader,
}
return &buildCacheCtx
}
func (c *buildCacheContext) MarshalJSON() ([]byte, error) {
return marshalJSON(c)
}
func (c *buildCacheContext) ID() string {
id := c.v.ID
if c.trunc {
id = stringid.TruncateID(c.v.ID)
}
if c.v.InUse {
return id + "*"
}
return id
}
func (c *buildCacheContext) Parent() string {
if c.trunc {
return stringid.TruncateID(c.v.Parent)
}
return c.v.Parent
}
func (c *buildCacheContext) Type() string {
return c.v.Type
}
func (c *buildCacheContext) Description() string {
return c.v.Description
}
func (c *buildCacheContext) Size() string {
return units.HumanSizeWithPrecision(float64(c.v.Size), 3)
}
func (c *buildCacheContext) CreatedSince() string {
return units.HumanDuration(time.Now().UTC().Sub(c.v.CreatedAt)) + " ago"
}
func (c *buildCacheContext) LastUsedSince() string {
if c.v.LastUsedAt == nil {
return ""
}
return units.HumanDuration(time.Now().UTC().Sub(*c.v.LastUsedAt)) + " ago"
}
func (c *buildCacheContext) UsageCount() string {
return fmt.Sprintf("%d", c.v.UsageCount)
}
func (c *buildCacheContext) InUse() string {
return fmt.Sprintf("%t", c.v.InUse)
}
func (c *buildCacheContext) Shared() string {
return fmt.Sprintf("%t", c.v.Shared)
}

39
cli/command/formatter/disk_usage.go
View File

@ -12,22 +12,11 @@ import (
)
const (
defaultDiskUsageImageTableFormat = "table {{.Repository}}\t{{.Tag}}\t{{.ID}}\t{{.CreatedSince}} ago\t{{.VirtualSize}}\t{{.SharedSize}}\t{{.UniqueSize}}\t{{.Containers}}"
defaultDiskUsageContainerTableFormat = "table {{.ID}}\t{{.Image}}\t{{.Command}}\t{{.LocalVolumes}}\t{{.Size}}\t{{.RunningFor}} ago\t{{.Status}}\t{{.Names}}"
defaultDiskUsageVolumeTableFormat = "table {{.Name}}\t{{.Links}}\t{{.Size}}"
defaultDiskUsageTableFormat = "table {{.Type}}\t{{.TotalCount}}\t{{.Active}}\t{{.Size}}\t{{.Reclaimable}}"
defaultBuildCacheVerboseFormat = `
ID: {{.ID}}
Parent: {{.Parent}}
Type: {{.Type}}
Description: {{.Description}}
Size: {{.Size}}
CreatedAt: {{.CreatedAt}}
LastUsedAt: {{.LastUsedAt}}
UsageCount: {{.UsageCount}}
InUse: {{.InUse}}
Shared: {{.Shared}}
`
defaultDiskUsageImageTableFormat = "table {{.Repository}}\t{{.Tag}}\t{{.ID}}\t{{.CreatedSince}}\t{{.VirtualSize}}\t{{.SharedSize}}\t{{.UniqueSize}}\t{{.Containers}}"
defaultDiskUsageContainerTableFormat = "table {{.ID}}\t{{.Image}}\t{{.Command}}\t{{.LocalVolumes}}\t{{.Size}}\t{{.RunningFor}}\t{{.Status}}\t{{.Names}}"
defaultDiskUsageVolumeTableFormat = "table {{.Name}}\t{{.Links}}\t{{.Size}}"
defaultDiskUsageTableFormat = "table {{.Type}}\t{{.TotalCount}}\t{{.Active}}\t{{.Size}}\t{{.Reclaimable}}"
defaultDiskUsageBuildCacheTableFormat = "table {{.ID}}\t{{.Type}}\t{{.Size}}\t{{.CreatedSince}}\t{{.LastUsedSince}}\t{{.UsageCount}}\t{{.Shared}}"
typeHeader = "TYPE"
totalHeader = "TOTAL"
@ -35,7 +24,7 @@ Shared: {{.Shared}}
reclaimableHeader = "RECLAIMABLE"
containersHeader = "CONTAINERS"
sharedSizeHeader = "SHARED SIZE"
uniqueSizeHeader = "UNIQUE SiZE"
uniqueSizeHeader = "UNIQUE SIZE"
)
// DiskUsageContext contains disk usage specific information required by the formatter, encapsulate a Context struct.
@ -59,7 +48,6 @@ func (ctx *DiskUsageContext) startSubsection(format string) (*template.Template,
return ctx.parseFormat()
}
//
// NewDiskUsageFormat returns a format for rendering an DiskUsageContext
func NewDiskUsageFormat(source string) Format {
switch source {
@ -132,6 +120,7 @@ func (ctx *DiskUsageContext) Write() (err error) {
return err
}
// nolint: gocyclo
func (ctx *DiskUsageContext) verboseWrite() error {
// First images
tmpl, err := ctx.startSubsection(defaultDiskUsageImageTableFormat)
@ -199,11 +188,17 @@ func (ctx *DiskUsageContext) verboseWrite() error {
// And build cache
fmt.Fprintf(ctx.Output, "\nBuild cache usage: %s\n\n", units.HumanSize(float64(ctx.BuilderSize)))
t := template.Must(template.New("buildcache").Parse(defaultBuildCacheVerboseFormat))
for _, v := range ctx.BuildCache {
t.Execute(ctx.Output, *v)
tmpl, err = ctx.startSubsection(defaultDiskUsageBuildCacheTableFormat)
if err != nil {
return err
}
buildCacheSort(ctx.BuildCache)
for _, v := range ctx.BuildCache {
if err := ctx.contextFormat(tmpl, &buildCacheContext{v: v, trunc: true}); err != nil {
return err
}
}
ctx.postFormat(tmpl, newBuildCacheContext())
return nil
}

5
cli/command/formatter/disk_usage_test.go
View File

@ -32,11 +32,11 @@ Build Cache 0 0 0B
DiskUsageContext{Verbose: true},
`Images space usage:
REPOSITORY TAG IMAGE ID CREATED ago SIZE SHARED SIZE UNIQUE SiZE CONTAINERS
REPOSITORY TAG IMAGE ID CREATED SIZE SHARED SIZE UNIQUE SIZE CONTAINERS
Containers space usage:
CONTAINER ID IMAGE COMMAND LOCAL VOLUMES SIZE CREATED ago STATUS NAMES
CONTAINER ID IMAGE COMMAND LOCAL VOLUMES SIZE CREATED STATUS NAMES
Local Volumes space usage:
@ -44,6 +44,7 @@ VOLUME NAME LINKS SIZE
Build cache usage: 0B
CACHE ID TYPE SIZE CREATED LAST USED USAGE SHARED
`,
},
// Errors

9
cli/command/system/df.go
View File

@ -52,13 +52,20 @@ func runDiskUsage(dockerCli command.Cli, opts diskUsageOptions) error {
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),
},
LayersSize: du.LayersSize,
BuilderSize: du.BuilderSize,
BuilderSize: bsz,
BuildCache: du.BuildCache,
Images: du.Images,
Containers: du.Containers,