133 lines
2.8 KiB
Go
133 lines
2.8 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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"sort"
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"strings"
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"github.com/posener/complete"
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)
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type AgentInfoCommand struct {
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Meta
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}
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func (c *AgentInfoCommand) Help() string {
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helpText := `
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Usage: nomad agent-info [options]
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Display status information about the local agent.
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When ACLs are enabled, this command requires a token with the 'agent:read'
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capability.
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General Options:
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` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
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Agent Info Options:
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-json
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Output the node in its JSON format.
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-t
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Format and display node 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 *AgentInfoCommand) Synopsis() string {
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return "Display status information about the local agent"
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}
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func (c *AgentInfoCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.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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func (c *AgentInfoCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (c *AgentInfoCommand) Name() string { return "agent-info" }
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func (c *AgentInfoCommand) Run(args []string) int {
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var json bool
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var 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(&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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// Check that we got no arguments
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args = flags.Args()
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if len(args) > 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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// Get the HTTP client
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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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// Query the agent info
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info, err := client.Agent().Self()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error querying agent info: %s", err))
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return 1
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}
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// If output format is specified, format and output the agent info
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if json || len(tmpl) > 0 {
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out, err := Format(json, tmpl, info)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error formatting output: %s", err))
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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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}
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// Sort and output agent info
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statsKeys := make([]string, 0, len(info.Stats))
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for key := range info.Stats {
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statsKeys = append(statsKeys, key)
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}
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sort.Strings(statsKeys)
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for _, key := range statsKeys {
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c.Ui.Output(key)
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statsData := info.Stats[key]
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statsDataKeys := make([]string, len(statsData))
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i := 0
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for key := range statsData {
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statsDataKeys[i] = key
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i++
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}
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sort.Strings(statsDataKeys)
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for _, key := range statsDataKeys {
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c.Ui.Output(fmt.Sprintf(" %s = %v", key, statsData[key]))
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}
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}
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return 0
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}
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