egutierrez
560cbf280e
Conjunto completo de funciones SSH para operaciones remotas: conexión, verificación de host, ejecución de comandos, transferencia de archivos (upload/download) y gestión de túneles. Incluye tipo SSHConn y tests. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
40 lines
1000 B
Go
40 lines
1000 B
Go
package infra
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import (
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"os/exec"
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)
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// SSHExec ejecuta un comando en el host remoto via SSH y retorna stdout, stderr y exit code.
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func SSHExec(conn SSHConn, command string) (string, string, int, error) {
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args := conn.sshArgs()
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args = append(args, "-o", "BatchMode=yes")
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args = append(args, conn.destination(), command)
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cmd := exec.Command("ssh", args...)
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var stdout, stderr []byte
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cmd.Stdout = writerFunc(func(p []byte) (int, error) {
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stdout = append(stdout, p...)
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return len(p), nil
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})
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cmd.Stderr = writerFunc(func(p []byte) (int, error) {
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stderr = append(stderr, p...)
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return len(p), nil
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})
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err := cmd.Run()
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exitCode := 0
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if err != nil {
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if exitErr, ok := err.(*exec.ExitError); ok {
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exitCode = exitErr.ExitCode()
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} else {
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return "", "", -1, err
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}
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}
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return string(stdout), string(stderr), exitCode, nil
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}
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// writerFunc adapta una funcion a io.Writer.
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type writerFunc func([]byte) (int, error)
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func (f writerFunc) Write(p []byte) (int, error) { return f(p) }
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