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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def get_server_id():
    '''
    Provides an integer based on the FQDN of a machine.
    Useful as server-id in MySQL replication or anywhere else you'll need an ID
    like this.
    '''
    # Provides:
    #   server_id

    if salt.utils.platform.is_proxy():
        server_id = {}
    else:
        use_crc = __opts__.get('server_id_use_crc')
        if bool(use_crc):
            id_hash = getattr(zlib, use_crc, zlib.adler32)(__opts__.get('id', '').encode()) & 0xffffffff
        else:
            log.debug('This server_id is computed not by Adler32 nor by CRC32. '
                      'Please use "server_id_use_crc" option and define algorithm you '
                      'prefer (default "Adler32"). Starting with Sodium, the '
                      'server_id will be computed with Adler32 by default.')
            id_hash = _get_hash_by_shell()
        server_id = {'server_id': id_hash}

    return server_id