DockerCLI/cli/command/formatter/network.go

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package formatter
import (
"fmt"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/stringid"
)
const (
defaultNetworkTableFormat = "table {{.ID}}\t{{.Name}}\t{{.Driver}}\t{{.Scope}}"
networkIDHeader = "NETWORK ID"
ipv6Header = "IPV6"
internalHeader = "INTERNAL"
)
// NewNetworkFormat returns a Format for rendering using a network Context
func NewNetworkFormat(source string, quiet bool) Format {
switch source {
case TableFormatKey:
if quiet {
return defaultQuietFormat
}
return defaultNetworkTableFormat
case RawFormatKey:
if quiet {
return `network_id: {{.ID}}`
}
return `network_id: {{.ID}}\nname: {{.Name}}\ndriver: {{.Driver}}\nscope: {{.Scope}}\n`
}
return Format(source)
}
// NetworkWrite writes the context
func NetworkWrite(ctx Context, networks []types.NetworkResource) error {
render := func(format func(subContext subContext) error) error {
for _, network := range networks {
networkCtx := &networkContext{trunc: ctx.Trunc, n: network}
if err := format(networkCtx); err != nil {
return err
}
}
return nil
}
networkCtx := networkContext{}
networkCtx.header = networkHeaderContext{
"ID": networkIDHeader,
"Name": nameHeader,
"Driver": driverHeader,
"Scope": scopeHeader,
"IPv6": ipv6Header,
"Internal": internalHeader,
"Labels": labelsHeader,
"CreatedAt": createdAtHeader,
}
return ctx.Write(&networkCtx, render)
}
type networkHeaderContext map[string]string
func (c networkHeaderContext) Label(name string) string {
n := strings.Split(name, ".")
r := strings.NewReplacer("-", " ", "_", " ")
h := r.Replace(n[len(n)-1])
return h
}
type networkContext struct {
HeaderContext
trunc bool
n types.NetworkResource
}
func (c *networkContext) MarshalJSON() ([]byte, error) {
return marshalJSON(c)
}
func (c *networkContext) ID() string {
if c.trunc {
return stringid.TruncateID(c.n.ID)
}
return c.n.ID
}
func (c *networkContext) Name() string {
return c.n.Name
}
func (c *networkContext) Driver() string {
return c.n.Driver
}
func (c *networkContext) Scope() string {
return c.n.Scope
}
func (c *networkContext) IPv6() string {
return fmt.Sprintf("%v", c.n.EnableIPv6)
}
func (c *networkContext) Internal() string {
return fmt.Sprintf("%v", c.n.Internal)
}
func (c *networkContext) Labels() string {
if c.n.Labels == nil {
return ""
}
var joinLabels []string
for k, v := range c.n.Labels {
joinLabels = append(joinLabels, fmt.Sprintf("%s=%s", k, v))
}
return strings.Join(joinLabels, ",")
}
func (c *networkContext) Label(name string) string {
if c.n.Labels == nil {
return ""
}
return c.n.Labels[name]
}
func (c *networkContext) CreatedAt() string {
return c.n.Created.String()
}