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https://github.com/edgelesssys/constellation.git
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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
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import (
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"context"
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"fmt"
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"os/exec"
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)
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type Unix struct{}
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// reference: https://man7.org/linux/man-pages/man8/useradd.8.html#EXIT_VALUES
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const exitCodeUsernameAlreadyInUse = 9
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// CreateUser creates a new user with sudo access. Returns successfully if creation succeeds or user existed already.
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func (u Unix) CreateUser(ctx context.Context, username string) error {
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cmd := exec.CommandContext(ctx, "useradd", "-m", "-G", "wheel,sudo", username)
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if err := cmd.Run(); err != nil {
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// do not fail if user already exists
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if exitError, ok := err.(*exec.ExitError); ok && exitError.ExitCode() == exitCodeUsernameAlreadyInUse {
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return nil
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}
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return fmt.Errorf("creating a new user failed: %w", err)
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}
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return nil
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}
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