138 lines
3.3 KiB
Go
138 lines
3.3 KiB
Go
package command
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"strings"
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"github.com/hashicorp/vault/api"
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"github.com/ryanuber/columnize"
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)
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// ReadCommand is a Command that reads data from the Vault.
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type ReadCommand struct {
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Meta
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}
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func (c *ReadCommand) Run(args []string) int {
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var format string
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flags := c.Meta.FlagSet("read", FlagSetDefault)
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flags.StringVar(&format, "format", "table", "")
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flags.Usage = func() { c.Ui.Error(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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args = flags.Args()
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if len(args) < 1 || len(args) > 2 {
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c.Ui.Error("read expects one or two arguments")
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flags.Usage()
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return 1
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}
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path := args[0]
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client, err := c.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf(
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"Error initializing client: %s", err))
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return 2
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}
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secret, err := client.Logical().Read(path)
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if err != nil {
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c.Ui.Error(fmt.Sprintf(
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"Error reading %s: %s", path, err))
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return 1
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}
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return c.output(format, secret)
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}
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func (c *ReadCommand) output(format string, secret *api.Secret) int {
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switch format {
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case "json":
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return c.formatJSON(secret)
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case "table":
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fallthrough
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default:
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return c.formatTable(secret, true)
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}
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}
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func (c *ReadCommand) formatJSON(s *api.Secret) int {
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b, err := json.Marshal(s)
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if err != nil {
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c.Ui.Error(fmt.Sprintf(
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"Error formatting secret: %s", err))
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return 1
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}
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var out bytes.Buffer
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json.Indent(&out, b, "", "\t")
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c.Ui.Output(out.String())
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return 0
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}
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func (c *ReadCommand) formatTable(s *api.Secret, whitespace bool) int {
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config := columnize.DefaultConfig()
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config.Delim = "♨"
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config.Glue = "\t"
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config.Prefix = ""
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input := make([]string, 0, 5)
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input = append(input, fmt.Sprintf("Key %s Value", config.Delim))
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if s.LeaseID != "" && s.LeaseDuration > 0 {
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input = append(input, fmt.Sprintf("lease_id %s %s", config.Delim, s.LeaseID))
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input = append(input, fmt.Sprintf(
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"lease_duration %s %d", config.Delim, s.LeaseDuration))
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}
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for k, v := range s.Data {
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input = append(input, fmt.Sprintf("%s %s %v", k, config.Delim, v))
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}
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c.Ui.Output(columnize.Format(input, config))
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return 0
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}
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func (c *ReadCommand) Synopsis() string {
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return "Read data or secrets from Vault"
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}
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func (c *ReadCommand) Help() string {
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helpText := `
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Usage: vault read [options] path
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Read data from Vault.
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Read reads data at the given path from Vault. This can be used to
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read secrets and configuration as well as generate dynamic values from
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materialized backends. Please reference the documentation for the
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backends in use to determine key structure.
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General Options:
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-address=TODO The address of the Vault server.
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-ca-cert=path Path to a PEM encoded CA cert file to use to
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verify the Vault server SSL certificate.
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-ca-path=path Path to a directory of PEM encoded CA cert files
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to verify the Vault server SSL certificate. If both
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-ca-cert and -ca-path are specified, -ca-path is used.
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-insecure Do not verify TLS certificate. This is highly
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not recommended. This is especially not recommended
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for unsealing a vault.
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Read Options:
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-format=table The format for output. By default it is a whitespace-
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delimited table. This can also be json.
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`
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return strings.TrimSpace(helpText)
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}
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