def post_replicate(request):
    """MNReplication.replicate(session, sysmeta, sourceNode) → boolean."""
    d1_gmn.app.views.assert_db.post_has_mime_parts(
        request, (('field', 'sourceNode'), ('file', 'sysmeta'))
    )
    sysmeta_pyxb = d1_gmn.app.sysmeta.deserialize(request.FILES['sysmeta'])
    d1_gmn.app.local_replica.assert_request_complies_with_replication_policy(
        sysmeta_pyxb
    )
    pid = d1_common.xml.get_req_val(sysmeta_pyxb.identifier)
    d1_gmn.app.views.assert_db.is_valid_pid_for_create(pid)
    d1_gmn.app.local_replica.add_to_replication_queue(
        request.POST['sourceNode'], sysmeta_pyxb
    )
    return d1_gmn.app.views.util.http_response_with_boolean_true_type()
MNReplication.replicate(session, sysmeta, sourceNode) → boolean.