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acl_bootstrap.go
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acl_bootstrap.go
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package command
import (
"fmt"
"io"
"os"
"strings"
"github.com/hashicorp/nomad/api"
"github.com/posener/complete"
)
type ACLBootstrapCommand struct {
Meta
}
func (c *ACLBootstrapCommand) Help() string {
helpText := `
Usage: nomad acl bootstrap [options]
Bootstrap is used to bootstrap the ACL system and get an initial token.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
Bootstrap Options:
-json
Output the bootstrap response in JSON format.
-t
Format and display the bootstrap response using a Go template.
`
return strings.TrimSpace(helpText)
}
func (c *ACLBootstrapCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-json": complete.PredictNothing,
"-t": complete.PredictAnything,
})
}
func (c *ACLBootstrapCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictNothing
}
func (c *ACLBootstrapCommand) Synopsis() string {
return "Bootstrap the ACL system for initial token"
}
func (c *ACLBootstrapCommand) Name() string { return "acl bootstrap" }
func (c *ACLBootstrapCommand) Run(args []string) int {
var (
json bool
tmpl string
file string
)
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.BoolVar(&json, "json", false, "")
flags.StringVar(&tmpl, "t", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got no arguments
args = flags.Args()
if l := len(args); l < 0 || l > 1 {
c.Ui.Error("This command takes up to one argument")
c.Ui.Error(commandErrorText(c))
return 1
}
var terminalToken []byte
var err error
if len(args) == 1 {
switch args[0] {
case "":
terminalToken = []byte{}
case "-":
terminalToken, err = io.ReadAll(os.Stdin)
default:
file = args[0]
terminalToken, err = os.ReadFile(file)
}
if err != nil {
c.Ui.Error(fmt.Sprintf("Error reading provided token: %v", err))
return 1
}
}
// Remove newline from the token if it was passed by stdin
boottoken := strings.TrimSuffix(string(terminalToken), "\n")
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Get the bootstrap token
token, _, err := client.ACLTokens().BootstrapOpts(boottoken, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error bootstrapping: %s", err))
return 1
}
if json || len(tmpl) > 0 {
out, err := Format(json, tmpl, token)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}
// Format the output
c.Ui.Output(formatKVACLToken(token))
return 0
}
// formatKVPolicy returns a K/V formatted policy
func formatKVPolicy(policy *api.ACLPolicy) string {
output := []string{
fmt.Sprintf("Name|%s", policy.Name),
fmt.Sprintf("Description|%s", policy.Description),
fmt.Sprintf("Rules|%s", policy.Rules),
fmt.Sprintf("CreateIndex|%v", policy.CreateIndex),
fmt.Sprintf("ModifyIndex|%v", policy.ModifyIndex),
}
return formatKV(output)
}
// formatKVACLToken returns a K/V formatted ACL token
func formatKVACLToken(token *api.ACLToken) string {
// Add the fixed preamble
output := []string{
fmt.Sprintf("Accessor ID|%s", token.AccessorID),
fmt.Sprintf("Secret ID|%s", token.SecretID),
fmt.Sprintf("Name|%s", token.Name),
fmt.Sprintf("Type|%s", token.Type),
fmt.Sprintf("Global|%v", token.Global),
}
// Special case the policy output
if token.Type == "management" {
output = append(output, "Policies|n/a")
} else {
output = append(output, fmt.Sprintf("Policies|%v", token.Policies))
}
// Add the generic output
output = append(output,
fmt.Sprintf("Create Time|%v", token.CreateTime),
fmt.Sprintf("Create Index|%d", token.CreateIndex),
fmt.Sprintf("Modify Index|%d", token.ModifyIndex),
)
return formatKV(output)
}