DockerCLI/cli/command/formatter/config.go

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package formatter
import (
"fmt"
"strings"
"time"
"github.com/docker/docker/api/types/swarm"
units "github.com/docker/go-units"
)
const (
defaultConfigTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CreatedAt}}\t{{.UpdatedAt}}"
configIDHeader = "ID"
configCreatedHeader = "CREATED"
configUpdatedHeader = "UPDATED"
)
// NewConfigFormat returns a Format for rendering using a config Context
func NewConfigFormat(source string, quiet bool) Format {
switch source {
case TableFormatKey:
if quiet {
return defaultQuietFormat
}
return defaultConfigTableFormat
}
return Format(source)
}
// ConfigWrite writes the context
func ConfigWrite(ctx Context, configs []swarm.Config) error {
render := func(format func(subContext subContext) error) error {
for _, config := range configs {
configCtx := &configContext{c: config}
if err := format(configCtx); err != nil {
return err
}
}
return nil
}
return ctx.Write(newConfigContext(), render)
}
func newConfigContext() *configContext {
cCtx := &configContext{}
cCtx.header = map[string]string{
"ID": configIDHeader,
"Name": nameHeader,
"CreatedAt": configCreatedHeader,
"UpdatedAt": configUpdatedHeader,
"Labels": labelsHeader,
}
return cCtx
}
type configContext struct {
HeaderContext
c swarm.Config
}
func (c *configContext) MarshalJSON() ([]byte, error) {
return marshalJSON(c)
}
func (c *configContext) ID() string {
return c.c.ID
}
func (c *configContext) Name() string {
return c.c.Spec.Annotations.Name
}
func (c *configContext) CreatedAt() string {
return units.HumanDuration(time.Now().UTC().Sub(c.c.Meta.CreatedAt)) + " ago"
}
func (c *configContext) UpdatedAt() string {
return units.HumanDuration(time.Now().UTC().Sub(c.c.Meta.UpdatedAt)) + " ago"
}
func (c *configContext) Labels() string {
mapLabels := c.c.Spec.Annotations.Labels
if mapLabels == nil {
return ""
}
var joinLabels []string
for k, v := range mapLabels {
joinLabels = append(joinLabels, fmt.Sprintf("%s=%s", k, v))
}
return strings.Join(joinLabels, ",")
}
func (c *configContext) Label(name string) string {
if c.c.Spec.Annotations.Labels == nil {
return ""
}
return c.c.Spec.Annotations.Labels[name]
}