Merge pull request #32116 from mkumatag/inspect_template

Adopt text/template in node inspect
Upstream-commit: d8dee941c1
Component: cli
This commit is contained in:
Sebastiaan van Stijn
2017-04-10 23:02:26 +02:00
committed by GitHub
2 changed files with 210 additions and 91 deletions
+193 -2
View File
@@ -1,14 +1,67 @@
package formatter
import (
"fmt"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli/command"
"github.com/docker/docker/cli/command/inspect"
units "github.com/docker/go-units"
)
const (
defaultNodeTableFormat = "table {{.ID}} {{if .Self}}*{{else}} {{ end }}\t{{.Hostname}}\t{{.Status}}\t{{.Availability}}\t{{.ManagerStatus}}"
defaultNodeTableFormat = "table {{.ID}} {{if .Self}}*{{else}} {{ end }}\t{{.Hostname}}\t{{.Status}}\t{{.Availability}}\t{{.ManagerStatus}}"
nodeInspectPrettyTemplate Format = `ID: {{.ID}}
{{- if .Name }}
Name: {{.Name}}
{{- end }}
{{- if .Labels }}
Labels:
{{- range $k, $v := .Labels }}
- {{ $k }}{{if $v }}={{ $v }}{{ end }}
{{- end }}{{ end }}
Hostname: {{.Hostname}}
Joined at: {{.CreatedAt}}
Status:
State: {{.StatusState}}
{{- if .HasStatusMessage}}
Message: {{.StatusMessage}}
{{- end}}
Availability: {{.SpecAvailability}}
{{- if .Status.Addr}}
Address: {{.StatusAddr}}
{{- end}}
{{- if .HasManagerStatus}}
Manager Status:
Address: {{.ManagerStatusAddr}}
Raft Status: {{.ManagerStatusReachability}}
{{- if .IsManagerStatusLeader}}
Leader: Yes
{{- else}}
Leader: No
{{- end}}
{{- end}}
Platform:
Operating System: {{.PlatformOS}}
Architecture: {{.PlatformArchitecture}}
Resources:
CPUs: {{.ResourceNanoCPUs}}
Memory: {{.ResourceMemory}}
{{- if .HasEnginePlugins}}
Plugins:
{{- range $k, $v := .EnginePlugins }}
{{ $k }}:{{if $v }} {{ $v }}{{ end }}
{{- end }}
{{- end }}
Engine Version: {{.EngineVersion}}
{{- if .EngineLabels}}
Engine Labels:
{{- range $k, $v := .EngineLabels }}
- {{ $k }}{{if $v }}={{ $v }}{{ end }}
{{- end }}{{- end }}
`
nodeIDHeader = "ID"
selfHeader = ""
hostnameHeader = "HOSTNAME"
@@ -19,6 +72,8 @@ const (
// NewNodeFormat returns a Format for rendering using a node Context
func NewNodeFormat(source string, quiet bool) Format {
switch source {
case PrettyFormatKey:
return nodeInspectPrettyTemplate
case TableFormatKey:
if quiet {
return defaultQuietFormat
@@ -99,3 +154,139 @@ func (c *nodeContext) ManagerStatus() string {
}
return command.PrettyPrint(reachability)
}
// NodeInspectWrite renders the context for a list of services
func NodeInspectWrite(ctx Context, refs []string, getRef inspect.GetRefFunc) error {
if ctx.Format != nodeInspectPrettyTemplate {
return inspect.Inspect(ctx.Output, refs, string(ctx.Format), getRef)
}
render := func(format func(subContext subContext) error) error {
for _, ref := range refs {
nodeI, _, err := getRef(ref)
if err != nil {
return err
}
node, ok := nodeI.(swarm.Node)
if !ok {
return fmt.Errorf("got wrong object to inspect :%v", ok)
}
if err := format(&nodeInspectContext{Node: node}); err != nil {
return err
}
}
return nil
}
return ctx.Write(&nodeInspectContext{}, render)
}
type nodeInspectContext struct {
swarm.Node
subContext
}
func (ctx *nodeInspectContext) ID() string {
return ctx.Node.ID
}
func (ctx *nodeInspectContext) Name() string {
return ctx.Node.Spec.Name
}
func (ctx *nodeInspectContext) Labels() map[string]string {
return ctx.Node.Spec.Labels
}
func (ctx *nodeInspectContext) Hostname() string {
return ctx.Node.Description.Hostname
}
func (ctx *nodeInspectContext) CreatedAt() string {
return command.PrettyPrint(ctx.Node.CreatedAt)
}
func (ctx *nodeInspectContext) StatusState() string {
return command.PrettyPrint(ctx.Node.Status.State)
}
func (ctx *nodeInspectContext) HasStatusMessage() bool {
return ctx.Node.Status.Message != ""
}
func (ctx *nodeInspectContext) StatusMessage() string {
return command.PrettyPrint(ctx.Node.Status.Message)
}
func (ctx *nodeInspectContext) SpecAvailability() string {
return command.PrettyPrint(ctx.Node.Spec.Availability)
}
func (ctx *nodeInspectContext) HasStatusAddr() bool {
return ctx.Node.Status.Addr != ""
}
func (ctx *nodeInspectContext) StatusAddr() string {
return ctx.Node.Status.Addr
}
func (ctx *nodeInspectContext) HasManagerStatus() bool {
return ctx.Node.ManagerStatus != nil
}
func (ctx *nodeInspectContext) ManagerStatusAddr() string {
return ctx.Node.ManagerStatus.Addr
}
func (ctx *nodeInspectContext) ManagerStatusReachability() string {
return command.PrettyPrint(ctx.Node.ManagerStatus.Reachability)
}
func (ctx *nodeInspectContext) IsManagerStatusLeader() bool {
return ctx.Node.ManagerStatus.Leader
}
func (ctx *nodeInspectContext) PlatformOS() string {
return ctx.Node.Description.Platform.OS
}
func (ctx *nodeInspectContext) PlatformArchitecture() string {
return ctx.Node.Description.Platform.Architecture
}
func (ctx *nodeInspectContext) ResourceNanoCPUs() int {
if ctx.Node.Description.Resources.NanoCPUs == 0 {
return int(0)
}
return int(ctx.Node.Description.Resources.NanoCPUs) / 1e9
}
func (ctx *nodeInspectContext) ResourceMemory() string {
if ctx.Node.Description.Resources.MemoryBytes == 0 {
return ""
}
return units.BytesSize(float64(ctx.Node.Description.Resources.MemoryBytes))
}
func (ctx *nodeInspectContext) HasEnginePlugins() bool {
return len(ctx.Node.Description.Engine.Plugins) > 0
}
func (ctx *nodeInspectContext) EnginePlugins() map[string]string {
pluginMap := map[string][]string{}
for _, p := range ctx.Node.Description.Engine.Plugins {
pluginMap[p.Type] = append(pluginMap[p.Type], p.Name)
}
pluginNamesByType := map[string]string{}
for k, v := range pluginMap {
pluginNamesByType[k] = strings.Join(v, ", ")
}
return pluginNamesByType
}
func (ctx *nodeInspectContext) EngineLabels() map[string]string {
return ctx.Node.Description.Engine.Labels
}
func (ctx *nodeInspectContext) EngineVersion() string {
return ctx.Node.Description.Engine.EngineVersion
}