Function group_color

pengine/group.c:30–96

#include <lib/pengine/variant.h>

node_t *
group_color(resource_t * rsc, node_t * prefer, pe_working_set_t * data_set)
{
    node_t *node = NULL;
    node_t *group_node = NULL;
    GListPtr gIter = NULL;
    group_variant_data_t *group_data = NULL;

    get_group_variant_data(group_data, rsc);

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

    if (group_data->first_child == NULL) {
        /* nothign to allocate */
        clear_bit(rsc->flags, pe_rsc_provisional);
        return NULL;
    }

    set_bit(rsc->flags, pe_rsc_allocating);
    rsc->role = group_data->first_child->role;

    group_data->first_child->rsc_cons =
        g_list_concat(group_data->first_child->rsc_cons, rsc->rsc_cons);
    rsc->rsc_cons = NULL;

    group_data->first_child->rsc_cons_lhs =
        g_list_concat(group_data->first_child->rsc_cons_lhs, rsc->rsc_cons_lhs);
    rsc->rsc_cons_lhs = NULL;

    gIter = rsc->rsc_tickets;
    for (; gIter != NULL; gIter = gIter->next) {
        rsc_ticket_t *rsc_ticket = (rsc_ticket_t *) gIter->data;

        if (rsc_ticket->ticket->granted == FALSE || rsc_ticket->ticket->standby) {
            rsc_ticket_constraint(rsc, rsc_ticket, data_set);
        }
    }

    dump_node_scores(show_scores ? 0 : scores_log_level, rsc, __PRETTY_FUNCTION__,
                     rsc->allowed_nodes);

    gIter = rsc->children;
    for (; gIter != NULL; gIter = gIter->next) {
        resource_t *child_rsc = (resource_t *) gIter->data;

        node = child_rsc->cmds->allocate(child_rsc, prefer, data_set);
        if (group_node == NULL) {
            group_node = node;
        }
    }