def cli(env, identifier):
    """Download SSL certificate and key file."""

    manager = SoftLayer.SSLManager(env.client)
    certificate = manager.get_certificate(identifier)

    write_cert(certificate['commonName'] + '.crt', certificate['certificate'])
    write_cert(certificate['commonName'] + '.key', certificate['privateKey'])

    if 'intermediateCertificate' in certificate:
        write_cert(certificate['commonName'] + '.icc',
                   certificate['intermediateCertificate'])

    if 'certificateSigningRequest' in certificate:
        write_cert(certificate['commonName'] + '.csr',
                   certificate['certificateSigningRequest'])
Download SSL certificate and key file.