51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package command
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import (
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"crypto/rand"
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"encoding/base64"
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"fmt"
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"strings"
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)
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// OperatorGossipKeyringGenerateCommand is a Command implementation that
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// generates an encryption key for use in `nomad agent`.
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type OperatorGossipKeyringGenerateCommand struct {
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Meta
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}
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func (c *OperatorGossipKeyringGenerateCommand) Synopsis() string {
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return "Generates a new encryption key"
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}
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func (c *OperatorGossipKeyringGenerateCommand) Help() string {
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helpText := `
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Usage: nomad operator gossip keying generate
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Alias: nomad operator keygen
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Generates a new 32-byte encryption key that can be used to configure the
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agent to encrypt traffic. The output of this command is already
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in the proper format that the agent expects.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *OperatorGossipKeyringGenerateCommand) Name() string {
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return "operator gossip keyring generate"
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}
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func (c *OperatorGossipKeyringGenerateCommand) Run(_ []string) int {
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key := make([]byte, 32)
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n, err := rand.Reader.Read(key)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error reading random data: %s", err))
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return 1
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}
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if n != 32 {
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c.Ui.Error("Couldn't read enough entropy. Generate more entropy!")
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return 1
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}
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c.Ui.Output(base64.StdEncoding.EncodeToString(key))
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return 0
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}
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