mirror of https://github.com/docker/cli.git
332 lines
8.4 KiB
Go
332 lines
8.4 KiB
Go
package formatter
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import (
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"encoding/base64"
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"fmt"
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"reflect"
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"strings"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/inspect"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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units "github.com/docker/go-units"
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)
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const (
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defaultNodeTableFormat = "table {{.ID}} {{if .Self}}*{{else}} {{ end }}\t{{.Hostname}}\t{{.Status}}\t{{.Availability}}\t{{.ManagerStatus}}"
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nodeInspectPrettyTemplate Format = `ID: {{.ID}}
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{{- if .Name }}
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Name: {{.Name}}
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{{- end }}
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{{- if .Labels }}
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Labels:
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{{- range $k, $v := .Labels }}
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- {{ $k }}{{if $v }}={{ $v }}{{ end }}
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{{- end }}{{ end }}
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Hostname: {{.Hostname}}
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Joined at: {{.CreatedAt}}
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Status:
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State: {{.StatusState}}
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{{- if .HasStatusMessage}}
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Message: {{.StatusMessage}}
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{{- end}}
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Availability: {{.SpecAvailability}}
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{{- if .Status.Addr}}
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Address: {{.StatusAddr}}
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{{- end}}
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{{- if .HasManagerStatus}}
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Manager Status:
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Address: {{.ManagerStatusAddr}}
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Raft Status: {{.ManagerStatusReachability}}
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{{- if .IsManagerStatusLeader}}
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Leader: Yes
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{{- else}}
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Leader: No
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{{- end}}
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{{- end}}
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Platform:
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Operating System: {{.PlatformOS}}
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Architecture: {{.PlatformArchitecture}}
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Resources:
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CPUs: {{.ResourceNanoCPUs}}
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Memory: {{.ResourceMemory}}
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{{- if .HasEnginePlugins}}
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Plugins:
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{{- range $k, $v := .EnginePlugins }}
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{{ $k }}:{{if $v }} {{ $v }}{{ end }}
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{{- end }}
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{{- end }}
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Engine Version: {{.EngineVersion}}
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{{- if .EngineLabels}}
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Engine Labels:
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{{- range $k, $v := .EngineLabels }}
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- {{ $k }}{{if $v }}={{ $v }}{{ end }}
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{{- end }}{{- end }}
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{{- if .HasTLSInfo}}
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TLS Info:
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TrustRoot:
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{{.TLSInfoTrustRoot}}
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Issuer Subject: {{.TLSInfoCertIssuerSubject}}
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Issuer Public Key: {{.TLSInfoCertIssuerPublicKey}}
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{{- end}}
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`
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nodeIDHeader = "ID"
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selfHeader = ""
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hostnameHeader = "HOSTNAME"
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availabilityHeader = "AVAILABILITY"
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managerStatusHeader = "MANAGER STATUS"
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tlsStatusHeader = "TLS STATUS"
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)
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// NewNodeFormat returns a Format for rendering using a node Context
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func NewNodeFormat(source string, quiet bool) Format {
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switch source {
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case PrettyFormatKey:
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return nodeInspectPrettyTemplate
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case TableFormatKey:
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if quiet {
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return defaultQuietFormat
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}
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return defaultNodeTableFormat
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case RawFormatKey:
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if quiet {
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return `node_id: {{.ID}}`
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}
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return `node_id: {{.ID}}\nhostname: {{.Hostname}}\nstatus: {{.Status}}\navailability: {{.Availability}}\nmanager_status: {{.ManagerStatus}}\n`
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}
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return Format(source)
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}
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// NodeWrite writes the context
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func NodeWrite(ctx Context, nodes []swarm.Node, info types.Info) error {
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render := func(format func(subContext subContext) error) error {
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for _, node := range nodes {
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nodeCtx := &nodeContext{n: node, info: info}
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if err := format(nodeCtx); 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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header := nodeHeaderContext{
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"ID": nodeIDHeader,
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"Self": selfHeader,
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"Hostname": hostnameHeader,
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"Status": statusHeader,
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"Availability": availabilityHeader,
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"ManagerStatus": managerStatusHeader,
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"TLSStatus": tlsStatusHeader,
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}
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nodeCtx := nodeContext{}
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nodeCtx.header = header
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return ctx.Write(&nodeCtx, render)
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}
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type nodeHeaderContext map[string]string
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type nodeContext struct {
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HeaderContext
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n swarm.Node
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info types.Info
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}
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func (c *nodeContext) MarshalJSON() ([]byte, error) {
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return marshalJSON(c)
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}
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func (c *nodeContext) ID() string {
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return c.n.ID
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}
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func (c *nodeContext) Self() bool {
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return c.n.ID == c.info.Swarm.NodeID
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}
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func (c *nodeContext) Hostname() string {
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return c.n.Description.Hostname
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}
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func (c *nodeContext) Status() string {
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return command.PrettyPrint(string(c.n.Status.State))
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}
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func (c *nodeContext) Availability() string {
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return command.PrettyPrint(string(c.n.Spec.Availability))
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}
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func (c *nodeContext) ManagerStatus() string {
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reachability := ""
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if c.n.ManagerStatus != nil {
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if c.n.ManagerStatus.Leader {
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reachability = "Leader"
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} else {
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reachability = string(c.n.ManagerStatus.Reachability)
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}
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}
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return command.PrettyPrint(reachability)
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}
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func (c *nodeContext) TLSStatus() string {
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if c.info.Swarm.Cluster == nil || reflect.DeepEqual(c.info.Swarm.Cluster.TLSInfo, swarm.TLSInfo{}) || reflect.DeepEqual(c.n.Description.TLSInfo, swarm.TLSInfo{}) {
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return "Unknown"
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}
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if reflect.DeepEqual(c.n.Description.TLSInfo, c.info.Swarm.Cluster.TLSInfo) {
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return "Ready"
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}
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return "Needs Rotation"
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}
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// NodeInspectWrite renders the context for a list of services
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func NodeInspectWrite(ctx Context, refs []string, getRef inspect.GetRefFunc) error {
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if ctx.Format != nodeInspectPrettyTemplate {
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return inspect.Inspect(ctx.Output, refs, string(ctx.Format), getRef)
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}
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render := func(format func(subContext subContext) error) error {
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for _, ref := range refs {
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nodeI, _, err := getRef(ref)
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if err != nil {
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return err
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}
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node, ok := nodeI.(swarm.Node)
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if !ok {
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return fmt.Errorf("got wrong object to inspect :%v", ok)
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}
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if err := format(&nodeInspectContext{Node: node}); 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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return ctx.Write(&nodeInspectContext{}, render)
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}
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type nodeInspectContext struct {
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swarm.Node
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subContext
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}
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func (ctx *nodeInspectContext) ID() string {
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return ctx.Node.ID
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}
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func (ctx *nodeInspectContext) Name() string {
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return ctx.Node.Spec.Name
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}
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func (ctx *nodeInspectContext) Labels() map[string]string {
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return ctx.Node.Spec.Labels
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}
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func (ctx *nodeInspectContext) Hostname() string {
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return ctx.Node.Description.Hostname
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}
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func (ctx *nodeInspectContext) CreatedAt() string {
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return command.PrettyPrint(ctx.Node.CreatedAt)
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}
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func (ctx *nodeInspectContext) StatusState() string {
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return command.PrettyPrint(ctx.Node.Status.State)
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}
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func (ctx *nodeInspectContext) HasStatusMessage() bool {
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return ctx.Node.Status.Message != ""
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}
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func (ctx *nodeInspectContext) StatusMessage() string {
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return command.PrettyPrint(ctx.Node.Status.Message)
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}
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func (ctx *nodeInspectContext) SpecAvailability() string {
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return command.PrettyPrint(ctx.Node.Spec.Availability)
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}
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func (ctx *nodeInspectContext) HasStatusAddr() bool {
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return ctx.Node.Status.Addr != ""
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}
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func (ctx *nodeInspectContext) StatusAddr() string {
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return ctx.Node.Status.Addr
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}
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func (ctx *nodeInspectContext) HasManagerStatus() bool {
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return ctx.Node.ManagerStatus != nil
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}
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func (ctx *nodeInspectContext) ManagerStatusAddr() string {
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return ctx.Node.ManagerStatus.Addr
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}
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func (ctx *nodeInspectContext) ManagerStatusReachability() string {
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return command.PrettyPrint(ctx.Node.ManagerStatus.Reachability)
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}
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func (ctx *nodeInspectContext) IsManagerStatusLeader() bool {
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return ctx.Node.ManagerStatus.Leader
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}
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func (ctx *nodeInspectContext) PlatformOS() string {
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return ctx.Node.Description.Platform.OS
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}
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func (ctx *nodeInspectContext) PlatformArchitecture() string {
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return ctx.Node.Description.Platform.Architecture
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}
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func (ctx *nodeInspectContext) ResourceNanoCPUs() int {
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if ctx.Node.Description.Resources.NanoCPUs == 0 {
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return int(0)
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}
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return int(ctx.Node.Description.Resources.NanoCPUs) / 1e9
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}
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func (ctx *nodeInspectContext) ResourceMemory() string {
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if ctx.Node.Description.Resources.MemoryBytes == 0 {
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return ""
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}
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return units.BytesSize(float64(ctx.Node.Description.Resources.MemoryBytes))
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}
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func (ctx *nodeInspectContext) HasEnginePlugins() bool {
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return len(ctx.Node.Description.Engine.Plugins) > 0
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}
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func (ctx *nodeInspectContext) EnginePlugins() map[string]string {
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pluginMap := map[string][]string{}
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for _, p := range ctx.Node.Description.Engine.Plugins {
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pluginMap[p.Type] = append(pluginMap[p.Type], p.Name)
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}
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pluginNamesByType := map[string]string{}
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for k, v := range pluginMap {
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pluginNamesByType[k] = strings.Join(v, ", ")
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}
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return pluginNamesByType
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}
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func (ctx *nodeInspectContext) EngineLabels() map[string]string {
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return ctx.Node.Description.Engine.Labels
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}
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func (ctx *nodeInspectContext) EngineVersion() string {
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return ctx.Node.Description.Engine.EngineVersion
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}
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func (ctx *nodeInspectContext) HasTLSInfo() bool {
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tlsInfo := ctx.Node.Description.TLSInfo
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return !reflect.DeepEqual(tlsInfo, swarm.TLSInfo{})
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}
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func (ctx *nodeInspectContext) TLSInfoTrustRoot() string {
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return ctx.Node.Description.TLSInfo.TrustRoot
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}
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func (ctx *nodeInspectContext) TLSInfoCertIssuerPublicKey() string {
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return base64.StdEncoding.EncodeToString(ctx.Node.Description.TLSInfo.CertIssuerPublicKey)
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}
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func (ctx *nodeInspectContext) TLSInfoCertIssuerSubject() string {
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return base64.StdEncoding.EncodeToString(ctx.Node.Description.TLSInfo.CertIssuerSubject)
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}
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