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2ef837f02f
Use a constant to ensure consistency across the CLI when displaying a console message indicating the command was passed arguments when it takes none.
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package command
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import (
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"fmt"
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"os"
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"strings"
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"github.com/hashicorp/nomad/helper"
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"github.com/posener/complete"
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)
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type ACLTokenSelfCommand struct {
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Meta
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}
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func (c *ACLTokenSelfCommand) Help() string {
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helpText := `
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Usage: nomad acl token self
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Self is used to fetch information about the currently set ACL token.
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General Options:
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` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace)
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return strings.TrimSpace(helpText)
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}
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func (c *ACLTokenSelfCommand) AutocompleteFlags() complete.Flags {
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return c.Meta.AutocompleteFlags(FlagSetClient)
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}
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func (c *ACLTokenSelfCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (c *ACLTokenSelfCommand) Synopsis() string {
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return "Lookup self ACL token"
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}
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func (c *ACLTokenSelfCommand) Name() string { return "acl token self" }
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func (c *ACLTokenSelfCommand) Run(args []string) int {
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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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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we have no arguments
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args = flags.Args()
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if l := len(args); l != 0 {
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c.Ui.Error(uiMessageNoArguments)
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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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// To get the authentication token, we must perform the same steps as the
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// command meta and API client perform. This is because the token may be set
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// as an environment variable or as a CLI flag.
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//
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// The environment variable is grabbed first. If this is not set, the
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// resulting string is empty.
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authToken := os.Getenv("NOMAD_TOKEN")
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// If the CLI flag is set, it will override the environment variable.
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if c.token != "" {
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authToken = c.token
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}
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if authToken == "" {
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c.Ui.Error("No token present in the environment or set via the CLI flag")
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return 1
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}
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// Does this look like a Nomad ACL token?
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if helper.IsUUID(authToken) {
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token, _, err := client.ACLTokens().Self(nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error fetching self token: %s", err))
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return 1
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}
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// Format the output
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outputACLToken(c.Ui, token)
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return 0
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}
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policies, _, err := client.ACLPolicies().Self(nil)
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if err == nil && len(policies) > 0 {
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c.Ui.Info("No ACL token found but there are ACL policies attached to this workload identity. You can query them with acl policy self command.")
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return 0
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}
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c.Ui.Error("No ACL tokens, nor ACL policies attached to a workload identity found.")
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return 1
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}
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