10c307763e
backends for the moment. This is pretty simple; it just adds the actual capability to make a list call into both the CLI and the HTTP handler. The real meat was already in those backends.
143 lines
3.1 KiB
Go
143 lines
3.1 KiB
Go
package command
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import (
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"flag"
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"fmt"
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"os"
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"reflect"
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"strings"
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"github.com/hashicorp/vault/api"
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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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List bool
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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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var field string
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var err error
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var secret *api.Secret
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var flags *flag.FlagSet
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if c.List {
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flags = c.Meta.FlagSet("list", FlagSetDefault)
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} else {
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flags = c.Meta.FlagSet("read", FlagSetDefault)
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}
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flags.StringVar(&format, "format", "table", "")
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flags.StringVar(&field, "field", "", "")
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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[0]) == 0 {
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c.Ui.Error("read expects one argument")
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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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if path[0] == '/' {
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path = path[1:]
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}
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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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if c.List {
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secret, err = client.Logical().List(path)
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} else {
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secret, err = client.Logical().Read(path)
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}
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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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if secret == nil {
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c.Ui.Error(fmt.Sprintf(
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"No value found at %s", path))
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return 1
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}
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// Handle single field output
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if field != "" {
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if val, ok := secret.Data[field]; ok {
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// c.Ui.Output() prints a CR character which in this case is
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// not desired. Since Vault CLI currently only uses BasicUi,
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// which writes to standard output, os.Stdout is used here to
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// directly print the message. If mitchellh/cli exposes method
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// to print without CR, this check needs to be removed.
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if reflect.TypeOf(c.Ui).String() == "*cli.BasicUi" {
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fmt.Fprintf(os.Stdout, val.(string))
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} else {
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c.Ui.Output(val.(string))
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}
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return 0
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} else {
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c.Ui.Error(fmt.Sprintf(
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"Field %s not present in secret", field))
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return 1
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}
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}
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return OutputSecret(c.Ui, format, secret)
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}
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func (c *ReadCommand) Synopsis() string {
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if c.List {
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return "List data in Vault"
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}
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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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Reads data at the given path from Vault. This can be used to read
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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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`
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if c.List {
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helpText =
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`
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Usage: vault list [options] path
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List data from Vault.
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Retrieve a listing of available data. The data returned is
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backend-specific, and not all backends implement listing capability.
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`
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}
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helpText += `
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General Options:
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` + generalOptionsUsage() + `
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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 or yaml.
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-field=field If included, the raw value of the specified field
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will be output raw to stdout.
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`
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return strings.TrimSpace(helpText)
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}
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