Function master_color

pengine/master.c:599–762

}

node_t *
master_color(resource_t * rsc, node_t * prefer, pe_working_set_t * data_set)
{
    int promoted = 0;
    GListPtr gIter = NULL;
    GListPtr gIter2 = NULL;

    GHashTableIter iter;
    node_t *node = NULL;
    node_t *chosen = NULL;
    node_t *cons_node = NULL;
    enum rsc_role_e next_role = RSC_ROLE_UNKNOWN;

    clone_variant_data_t *clone_data = NULL;

    get_clone_variant_data(clone_data, rsc);

    if (is_not_set(rsc->flags, pe_rsc_provisional)) {
        return NULL;

    } else if (is_set(rsc->flags, pe_rsc_allocating)) {
        pe_rsc_debug(rsc, "Dependency loop detected involving %s", rsc->id);
        return NULL;
    }

    apply_master_prefs(rsc);

    clone_color(rsc, prefer, data_set);

    set_bit(rsc->flags, pe_rsc_allocating);

    /* count now tracks the number of masters allocated */
    g_hash_table_iter_init(&iter, rsc->allowed_nodes);
    while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
        node->count = 0;
    }

    /*
     * assign priority
     */
    gIter = rsc->children;
    for (; gIter != NULL; gIter = gIter->next) {
        GListPtr list = NULL;
        resource_t *child_rsc = (resource_t *) gIter->data;

        pe_rsc_trace(rsc, "Assigning priority for %s: %s", child_rsc->id,
                    role2text(child_rsc->next_role));

        if (child_rsc->fns->state(child_rsc, TRUE) == RSC_ROLE_STARTED) {
            set_role_slave(child_rsc, TRUE);
        }

        chosen = child_rsc->fns->location(child_rsc, &list, FALSE);
        if (g_list_length(list) > 1) {
            crm_config_err("Cannot promote non-colocated child %s", child_rsc->id);
        }

        g_list_free(list);