open-vault/command/policy_write.go

89 lines
1.7 KiB
Go

package command
import (
"bytes"
"fmt"
"io"
"os"
"strings"
)
// PolicyWriteCommand is a Command that enables a new endpoint.
type PolicyWriteCommand struct {
Meta
}
func (c *PolicyWriteCommand) Run(args []string) int {
flags := c.Meta.FlagSet("policy-write", FlagSetDefault)
flags.Usage = func() { c.Ui.Error(c.Help()) }
if err := flags.Parse(args); err != nil {
return 1
}
args = flags.Args()
if len(args) != 2 {
flags.Usage()
c.Ui.Error(fmt.Sprintf(
"\npolicy-write expects exactly two arguments"))
return 1
}
client, err := c.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error initializing client: %s", err))
return 2
}
name := args[0]
path := args[1]
// Read the policy
var f io.Reader = os.Stdin
if path != "-" {
file, err := os.Open(path)
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error opening file: %s", err))
return 1
}
defer file.Close()
f = file
}
var buf bytes.Buffer
if _, err := io.Copy(&buf, f); err != nil {
c.Ui.Error(fmt.Sprintf(
"Error reading file: %s", err))
return 1
}
rules := buf.String()
if err := client.Sys().PutPolicy(name, rules); err != nil {
c.Ui.Error(fmt.Sprintf(
"Error: %s", err))
return 1
}
c.Ui.Output(fmt.Sprintf("Policy '%s' written.", name))
return 0
}
func (c *PolicyWriteCommand) Synopsis() string {
return "Write a policy to the server"
}
func (c *PolicyWriteCommand) Help() string {
helpText := `
Usage: vault policy-write [options] name path
Write a policy with the given name from the contents of a file or stdin.
If the path is "-", the policy is read from stdin. Otherwise, it is
loaded from the file at the given path.
General Options:
` + generalOptionsUsage()
return strings.TrimSpace(helpText)
}