mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
68092f27dd
* Move `file`, `ssh` and `user` packages to internal * Rename `SSHKey` to `(ssh.)UserKey` * Rename KeyValue / Publickey to PublicKey * Rename SSH key file from "debugd" to "ssh-keys" * Add CreateSSHUsers function to Core * Call CreateSSHUsers users on first control-plane node, when defined in config Tests: * Make StubUserCreator add entries to /etc/passwd * Add NewLinuxUserManagerFake for unit tests * Add unit tests & adjust existing ones to changes
26 lines
738 B
Go
26 lines
738 B
Go
package user
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os/exec"
|
|
)
|
|
|
|
type Unix struct{}
|
|
|
|
// reference: https://man7.org/linux/man-pages/man8/useradd.8.html#EXIT_VALUES
|
|
const exitCodeUsernameAlreadyInUse = 9
|
|
|
|
// CreateUser creates a new user with sudo access. Returns successfully if creation succeeds or user existed already.
|
|
func (u Unix) CreateUser(ctx context.Context, username string) error {
|
|
cmd := exec.CommandContext(ctx, "useradd", "-m", "-G", "wheel,sudo", username)
|
|
if err := cmd.Run(); err != nil {
|
|
// do not fail if user already exists
|
|
if exitError, ok := err.(*exec.ExitError); ok && exitError.ExitCode() == exitCodeUsernameAlreadyInUse {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("creating a new user failed: %w", err)
|
|
}
|
|
return nil
|
|
}
|