Exemplo n.º 1
0
void
clone_rsc_colocation_rh(pe_resource_t *rsc_lh, pe_resource_t *rsc_rh,
                        rsc_colocation_t *constraint,
                        pe_working_set_t *data_set)
{
    GListPtr gIter = NULL;
    gboolean do_interleave = FALSE;
    const char *interleave_s = NULL;

    CRM_CHECK(constraint != NULL, return);
    CRM_CHECK(rsc_lh != NULL, pe_err("rsc_lh was NULL for %s", constraint->id); return);
    CRM_CHECK(rsc_rh != NULL, pe_err("rsc_rh was NULL for %s", constraint->id); return);
    CRM_CHECK(rsc_lh->variant == pe_native, return);

    pe_rsc_trace(rsc_rh, "Processing constraint %s: %s -> %s %d",
                 constraint->id, rsc_lh->id, rsc_rh->id, constraint->score);

    if (is_set(rsc_rh->flags, pe_rsc_promotable)) {
        if (is_set(rsc_rh->flags, pe_rsc_provisional)) {
            pe_rsc_trace(rsc_rh, "%s is still provisional", rsc_rh->id);
            return;
        } else if (constraint->role_rh == RSC_ROLE_UNKNOWN) {
            pe_rsc_trace(rsc_rh, "Handling %s as a clone colocation", constraint->id);
        } else {
            promotable_colocation_rh(rsc_lh, rsc_rh, constraint, data_set);
            return;
        }
    }

    /* only the LHS side needs to be labeled as interleave */
    interleave_s = g_hash_table_lookup(constraint->rsc_lh->meta, XML_RSC_ATTR_INTERLEAVE);
    if(crm_is_true(interleave_s) && constraint->rsc_lh->variant > pe_group) {
        // TODO: Do we actually care about multiple RH copies sharing a LH copy anymore?
        if (copies_per_node(constraint->rsc_lh) != copies_per_node(constraint->rsc_rh)) {
            crm_config_err("Cannot interleave %s and %s because"
                           " they do not support the same number of copies per node",
                           constraint->rsc_lh->id, constraint->rsc_rh->id);

        } else {
            do_interleave = TRUE;
        }
    }

    if (is_set(rsc_rh->flags, pe_rsc_provisional)) {
        pe_rsc_trace(rsc_rh, "%s is still provisional", rsc_rh->id);
        return;

    } else if (do_interleave) {
        resource_t *rh_child = NULL;

        rh_child = find_compatible_child(rsc_lh, rsc_rh, RSC_ROLE_UNKNOWN,
                                         FALSE, data_set);

        if (rh_child) {
            pe_rsc_debug(rsc_rh, "Pairing %s with %s", rsc_lh->id, rh_child->id);
            rsc_lh->cmds->rsc_colocation_lh(rsc_lh, rh_child, constraint,
                                            data_set);

        } else if (constraint->score >= INFINITY) {
            crm_notice("Cannot pair %s with instance of %s", rsc_lh->id, rsc_rh->id);
            assign_node(rsc_lh, NULL, TRUE);

        } else {
            pe_rsc_debug(rsc_rh, "Cannot pair %s with instance of %s", rsc_lh->id, rsc_rh->id);
        }

        return;

    } else if (constraint->score >= INFINITY) {
        GListPtr rhs = NULL;

        gIter = rsc_rh->children;
        for (; gIter != NULL; gIter = gIter->next) {
            resource_t *child_rsc = (resource_t *) gIter->data;
            node_t *chosen = child_rsc->fns->location(child_rsc, NULL, FALSE);

            if (chosen != NULL && is_set_recursive(child_rsc, pe_rsc_block, TRUE) == FALSE) {
                pe_rsc_trace(rsc_rh, "Allowing %s: %s %d", constraint->id, chosen->details->uname, chosen->weight);
                rhs = g_list_prepend(rhs, chosen);
            }
        }

        node_list_exclude(rsc_lh->allowed_nodes, rhs, FALSE);
        g_list_free(rhs);
        return;
    }

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

        child_rsc->cmds->rsc_colocation_rh(rsc_lh, child_rsc, constraint,
                                           data_set);
    }
}
Exemplo n.º 2
0
void
master_rsc_colocation_rh(resource_t * rsc_lh, resource_t * rsc_rh, rsc_colocation_t * constraint)
{
    GListPtr gIter = NULL;
    clone_variant_data_t *clone_data = NULL;

    get_clone_variant_data(clone_data, rsc_rh);

    CRM_CHECK(rsc_rh != NULL, return);
    if (is_set(rsc_rh->flags, pe_rsc_provisional)) {
        return;

    } else if (constraint->role_rh == RSC_ROLE_UNKNOWN) {
        crm_trace("Handling %s as a clone colocation", constraint->id);
        clone_rsc_colocation_rh(rsc_lh, rsc_rh, constraint);
        return;
    }

    CRM_CHECK(rsc_lh != NULL, return);
    CRM_CHECK(rsc_lh->variant == pe_native, return);
    crm_trace("Processing constraint %s: %d", constraint->id, constraint->score);

    if (constraint->role_rh == RSC_ROLE_UNKNOWN) {

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

            child_rsc->cmds->rsc_colocation_rh(rsc_lh, child_rsc, constraint);
        }

    } else if (is_set(rsc_lh->flags, pe_rsc_provisional)) {
        GListPtr rhs = NULL;

        gIter = rsc_rh->children;
        for (; gIter != NULL; gIter = gIter->next) {
            resource_t *child_rsc = (resource_t *) gIter->data;
            node_t *chosen = child_rsc->fns->location(child_rsc, NULL, FALSE);
            enum rsc_role_e next_role = child_rsc->fns->state(child_rsc, FALSE);

            crm_trace("Processing: %s", child_rsc->id);
            if (chosen != NULL && next_role == constraint->role_rh) {
                crm_trace("Applying: %s %s %s %d", child_rsc->id,
                            role2text(next_role), chosen->details->uname, constraint->score);
                if (constraint->score < INFINITY) {
                    node_hash_update_one(rsc_lh->allowed_nodes, chosen,
                                         constraint->node_attribute, constraint->score);
                }
                rhs = g_list_prepend(rhs, chosen);
            }
        }

        /* Only do this if its not a master-master colocation
         * Doing this unconditionally would prevent the slaves from being started
         */
        if (constraint->role_lh != RSC_ROLE_MASTER || constraint->role_rh != RSC_ROLE_MASTER) {
            if (constraint->score >= INFINITY) {
                node_list_exclude(rsc_lh->allowed_nodes, rhs, TRUE);
            }
        }
        g_list_free(rhs);

    } else if (constraint->role_lh == RSC_ROLE_MASTER) {
        resource_t *rh_child = find_compatible_child(rsc_lh, rsc_rh, constraint->role_rh, FALSE);

        if (rh_child == NULL && constraint->score >= INFINITY) {
            crm_trace("%s can't be promoted %s", rsc_lh->id, constraint->id);
            rsc_lh->priority = -INFINITY;

        } else if (rh_child != NULL) {
            int new_priority = merge_weights(rsc_lh->priority, constraint->score);

            crm_debug("Applying %s to %s", constraint->id, rsc_lh->id);
            crm_debug("\t%s: %d->%d", rsc_lh->id, rsc_lh->priority, new_priority);
            rsc_lh->priority = new_priority;
        }
    }

    return;
}
Exemplo n.º 3
0
static enum pe_graph_flags
container_update_interleave_actions(action_t * first, action_t * then, node_t * node, enum pe_action_flags flags,
                     enum pe_action_flags filter, enum pe_ordering type)
{
    GListPtr gIter = NULL;
    GListPtr children = NULL;
    gboolean current = FALSE;
    enum pe_graph_flags changed = pe_graph_none;

    /* Fix this - lazy */
    if (crm_ends_with(first->uuid, "_stopped_0")
        || crm_ends_with(first->uuid, "_demoted_0")) {
        current = TRUE;
    }

    children = get_containers_or_children(then->rsc);
    for (gIter = children; gIter != NULL; gIter = gIter->next) {
        resource_t *then_child = (resource_t *) gIter->data;
        resource_t *first_child = find_compatible_child(then_child, first->rsc, RSC_ROLE_UNKNOWN, current);
        if (first_child == NULL && current) {
            crm_trace("Ignore");

        } else if (first_child == NULL) {
            crm_debug("No match found for %s (%d / %s / %s)", then_child->id, current, first->uuid, then->uuid);

            /* Me no like this hack - but what else can we do?
             *
             * If there is no-one active or about to be active
             *   on the same node as then_child, then they must
             *   not be allowed to start
             */
            if (type & (pe_order_runnable_left | pe_order_implies_then) /* Mandatory */ ) {
                pe_rsc_info(then->rsc, "Inhibiting %s from being active", then_child->id);
                if(assign_node(then_child, NULL, TRUE)) {
                    changed |= pe_graph_updated_then;
                }
            }

        } else {
            pe_action_t *first_action = NULL;
            pe_action_t *then_action = NULL;

            enum action_tasks task = clone_child_action(first);
            const char *first_task = task2text(task);

            container_grouping_t *first_tuple = tuple_for_docker(first->rsc, first_child, node);
            container_grouping_t *then_tuple = tuple_for_docker(then->rsc, then_child, node);

            if(strstr(first->task, "stop") && first_tuple && first_tuple->child) {
                /* Except for 'stopped' we should be looking at the
                 * in-container resource, actions for the child will
                 * happen later and are therefor more likely to align
                 * with the user's intent.
                 */
                first_action = find_first_action(first_tuple->child->actions, NULL, task2text(task), node);
            } else {
                first_action = find_first_action(first_child->actions, NULL, task2text(task), node);
            }

            if(strstr(then->task, "mote") && then_tuple && then_tuple->child) {
                /* Promote/demote actions will never be found for the
                 * docker resource, look in the child instead
                 *
                 * Alternatively treat:
                 *  'XXXX then promote YYYY' as 'XXXX then start container for YYYY', and
                 *  'demote XXXX then stop YYYY' as 'stop container for XXXX then stop YYYY'
                 */
                then_action = find_first_action(then_tuple->child->actions, NULL, then->task, node);
            } else {
                then_action = find_first_action(then_child->actions, NULL, then->task, node);
            }

            if (first_action == NULL) {
                if (is_not_set(first_child->flags, pe_rsc_orphan)
                    && crm_str_eq(first_task, RSC_STOP, TRUE) == FALSE
                    && crm_str_eq(first_task, RSC_DEMOTE, TRUE) == FALSE) {
                    crm_err("Internal error: No action found for %s in %s (first)",
                            first_task, first_child->id);

                } else {
                    crm_trace("No action found for %s in %s%s (first)",
                              first_task, first_child->id,
                              is_set(first_child->flags, pe_rsc_orphan) ? " (ORPHAN)" : "");
                }
                continue;
            }

            /* We're only interested if 'then' is neither stopping nor being demoted */ 
            if (then_action == NULL) {
                if (is_not_set(then_child->flags, pe_rsc_orphan)
                    && crm_str_eq(then->task, RSC_STOP, TRUE) == FALSE
                    && crm_str_eq(then->task, RSC_DEMOTE, TRUE) == FALSE) {
                    crm_err("Internal error: No action found for %s in %s (then)",
                            then->task, then_child->id);

                } else {
                    crm_trace("No action found for %s in %s%s (then)",
                              then->task, then_child->id,
                              is_set(then_child->flags, pe_rsc_orphan) ? " (ORPHAN)" : "");
                }
                continue;
            }

            if (order_actions(first_action, then_action, type)) {
                crm_debug("Created constraint for %s (%d) -> %s (%d) %.6x",
                          first_action->uuid, is_set(first_action->flags, pe_action_optional),
                          then_action->uuid, is_set(then_action->flags, pe_action_optional), type);
                changed |= (pe_graph_updated_first | pe_graph_updated_then);
            }
            if(first_action && then_action) {
                changed |= then_child->cmds->update_actions(first_action, then_action, node,
                                                            first_child->cmds->action_flags(first_action, node),
                                                            filter, type);
            } else {
                crm_err("Nothing found either for %s (%p) or %s (%p) %s",
                        first_child->id, first_action,
                        then_child->id, then_action, task2text(task));
            }
        }
    }

    if(children != then->rsc->children) {
        g_list_free(children);
    }
    return changed;
}