114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package formatter
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import (
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"strconv"
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"strings"
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"time"
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"github.com/docker/docker/api/types/image"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/stringutils"
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units "github.com/docker/go-units"
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)
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const (
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defaultHistoryTableFormat = "table {{.ID}}\t{{.CreatedSince}}\t{{.CreatedBy}}\t{{.Size}}\t{{.Comment}}"
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nonHumanHistoryTableFormat = "table {{.ID}}\t{{.CreatedAt}}\t{{.CreatedBy}}\t{{.Size}}\t{{.Comment}}"
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historyIDHeader = "IMAGE"
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createdByHeader = "CREATED BY"
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commentHeader = "COMMENT"
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)
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// NewHistoryFormat returns a format for rendering an HistoryContext
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func NewHistoryFormat(source string, quiet bool, human bool) Format {
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switch source {
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case TableFormatKey:
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switch {
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case quiet:
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return defaultQuietFormat
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case !human:
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return nonHumanHistoryTableFormat
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default:
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return defaultHistoryTableFormat
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}
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}
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return Format(source)
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}
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// HistoryWrite writes the context
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func HistoryWrite(ctx Context, human bool, histories []image.HistoryResponseItem) error {
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render := func(format func(subContext subContext) error) error {
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for _, history := range histories {
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historyCtx := &historyContext{trunc: ctx.Trunc, h: history, human: human}
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if err := format(historyCtx); err != nil {
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return err
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}
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}
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return nil
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}
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historyCtx := &historyContext{}
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historyCtx.header = map[string]string{
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"ID": historyIDHeader,
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"CreatedSince": createdSinceHeader,
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"CreatedAt": createdAtHeader,
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"CreatedBy": createdByHeader,
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"Size": sizeHeader,
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"Comment": commentHeader,
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}
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return ctx.Write(historyCtx, render)
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}
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type historyContext struct {
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HeaderContext
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trunc bool
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human bool
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h image.HistoryResponseItem
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}
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func (c *historyContext) MarshalJSON() ([]byte, error) {
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return marshalJSON(c)
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}
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func (c *historyContext) ID() string {
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if c.trunc {
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return stringid.TruncateID(c.h.ID)
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}
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return c.h.ID
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}
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func (c *historyContext) CreatedAt() string {
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var created string
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created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(int64(c.h.Created), 0)))
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return created
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}
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func (c *historyContext) CreatedSince() string {
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var created string
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created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(int64(c.h.Created), 0)))
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return created + " ago"
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}
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func (c *historyContext) CreatedBy() string {
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createdBy := strings.Replace(c.h.CreatedBy, "\t", " ", -1)
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if c.trunc {
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createdBy = stringutils.Ellipsis(createdBy, 45)
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}
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return createdBy
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}
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func (c *historyContext) Size() string {
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size := ""
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if c.human {
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size = units.HumanSizeWithPrecision(float64(c.h.Size), 3)
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} else {
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size = strconv.FormatInt(c.h.Size, 10)
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}
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return size
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}
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func (c *historyContext) Comment() string {
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return c.h.Comment
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}
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