134 lines
2.6 KiB
Go
134 lines
2.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package command
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/nomad/api"
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"github.com/posener/complete"
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)
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type OperatorMetricsCommand struct {
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Meta
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}
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func (c *OperatorMetricsCommand) Help() string {
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helpText := `
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Usage: nomad operator metrics [options]
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Get Nomad metrics
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General Options:
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` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
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Metrics Specific Options
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-pretty
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Pretty prints the JSON output
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-format <format>
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Specify output format (prometheus)
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-json
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Output the allocation in its JSON format.
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-t
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Format and display allocation using a Go template.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *OperatorMetricsCommand) Synopsis() string {
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return "Retrieve Nomad metrics"
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}
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func (c *OperatorMetricsCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-pretty": complete.PredictAnything,
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"-format": complete.PredictAnything,
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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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func (c *OperatorMetricsCommand) Name() string { return "metrics" }
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func (c *OperatorMetricsCommand) Run(args []string) int {
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var pretty, json bool
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var format, tmpl string
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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flags.BoolVar(&pretty, "pretty", false, "")
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flags.StringVar(&format, "format", "", "")
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flags.BoolVar(&json, "json", false, "")
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flags.StringVar(&tmpl, "t", "", "")
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if err := flags.Parse(args); err != nil {
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c.Ui.Error(fmt.Sprintf("Error parsing flags: %s", err))
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return 1
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}
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args = flags.Args()
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if l := len(args); l != 0 {
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c.Ui.Error("This command takes no arguments")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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params := map[string]string{}
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if pretty {
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params["pretty"] = "1"
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}
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if len(format) > 0 {
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params["format"] = format
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}
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query := &api.QueryOptions{
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Params: params,
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}
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if json || len(tmpl) > 0 {
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metrics, _, err := client.Operator().MetricsSummary(query)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error querying metrics: %v", err))
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return 1
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}
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out, err := Format(json, tmpl, metrics)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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c.Ui.Output(out)
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return 0
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} else {
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bs, err := client.Operator().Metrics(query)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error getting metrics: %v", err))
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return 1
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}
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resp := string(bs)
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c.Ui.Output(resp)
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}
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return 0
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}
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