119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"github.com/mitchellh/cli"
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"github.com/posener/complete"
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)
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// Ensure OperatorSchedulerGetConfig satisfies the cli.Command interface.
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var _ cli.Command = &OperatorSchedulerGetConfig{}
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type OperatorSchedulerGetConfig struct {
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Meta
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json bool
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tmpl string
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}
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func (o *OperatorSchedulerGetConfig) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(o.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-json": complete.PredictNothing,
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"-t": complete.PredictAnything,
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},
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)
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}
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func (o *OperatorSchedulerGetConfig) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (o *OperatorSchedulerGetConfig) Name() string { return "operator scheduler get-config" }
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func (o *OperatorSchedulerGetConfig) Run(args []string) int {
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flags := o.Meta.FlagSet("get-config", FlagSetClient)
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flags.BoolVar(&o.json, "json", false, "")
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flags.StringVar(&o.tmpl, "t", "", "")
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flags.Usage = func() { o.Ui.Output(o.Help()) }
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Set up a client.
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client, err := o.Meta.Client()
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if err != nil {
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o.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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// Fetch the current configuration.
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resp, _, err := client.Operator().SchedulerGetConfiguration(nil)
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if err != nil {
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o.Ui.Error(fmt.Sprintf("Error querying scheduler configuration: %s", err))
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return 1
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}
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// If the user has specified to output the scheduler config as JSON or
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// using a template, perform this action for the entire object and exit the
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// command.
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if o.json || len(o.tmpl) > 0 {
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out, err := Format(o.json, o.tmpl, resp)
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if err != nil {
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o.Ui.Error(err.Error())
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return 1
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}
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o.Ui.Output(out)
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return 0
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}
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schedConfig := resp.SchedulerConfig
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// Output the information.
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o.Ui.Output(formatKV([]string{
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fmt.Sprintf("Scheduler Algorithm|%s", schedConfig.SchedulerAlgorithm),
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fmt.Sprintf("Memory Oversubscription|%v", schedConfig.MemoryOversubscriptionEnabled),
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fmt.Sprintf("Reject Job Registration|%v", schedConfig.RejectJobRegistration),
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fmt.Sprintf("Pause Eval Broker|%v", schedConfig.PauseEvalBroker),
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fmt.Sprintf("Preemption System Scheduler|%v", schedConfig.PreemptionConfig.SystemSchedulerEnabled),
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fmt.Sprintf("Preemption Service Scheduler|%v", schedConfig.PreemptionConfig.ServiceSchedulerEnabled),
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fmt.Sprintf("Preemption Batch Scheduler|%v", schedConfig.PreemptionConfig.BatchSchedulerEnabled),
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fmt.Sprintf("Preemption SysBatch Scheduler|%v", schedConfig.PreemptionConfig.SysBatchSchedulerEnabled),
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fmt.Sprintf("Modify Index|%v", resp.SchedulerConfig.ModifyIndex),
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}))
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return 0
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}
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func (o *OperatorSchedulerGetConfig) Synopsis() string {
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return "Display the current scheduler configuration"
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}
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func (o *OperatorSchedulerGetConfig) Help() string {
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helpText := `
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Usage: nomad operator scheduler get-config [options]
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Displays the current scheduler configuration.
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If ACLs are enabled, this command requires a token with the 'operator:read'
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capability.
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General Options:
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` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
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Scheduler Get Config Options:
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-json
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Output the scheduler config in its JSON format.
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-t
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Format and display the scheduler config using a Go template.
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`
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return strings.TrimSpace(helpText)
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}
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