예제 #1
0
void
create_notifications(resource_t * rsc, notify_data_t * n_data, pe_working_set_t * data_set)
{
    GListPtr gIter = NULL;
    action_t *stop = NULL;
    action_t *start = NULL;
    enum action_tasks task = text2task(n_data->action);

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

            create_notifications(child, n_data, data_set);
        }
        return;
    }

    /* Copy notification details into standard ops */

    gIter = rsc->actions;
    for (; gIter != NULL; gIter = gIter->next) {
        action_t *op = (action_t *) gIter->data;

        if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
            enum action_tasks t = text2task(op->task);

            switch (t) {
                case start_rsc:
                case stop_rsc:
                case action_promote:
                case action_demote:
                    g_hash_table_foreach(n_data->keys, dup_attr, op->meta);
                    break;
                default:
                    break;
            }
        }
    }

    pe_rsc_trace(rsc, "Creating notifications for: %s.%s (%s->%s)",
                 n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));

    stop = find_first_action(rsc->actions, NULL, RSC_STOP, NULL);
    start = find_first_action(rsc->actions, NULL, RSC_START, NULL);

    /* stop / demote */
    if (rsc->role != RSC_ROLE_STOPPED) {
        if (task == stop_rsc || task == action_demote) {
            gIter = rsc->running_on;
            for (; gIter != NULL; gIter = gIter->next) {
                node_t *current_node = (node_t *) gIter->data;

                /* if this stop action is a pseudo action as a result of the current
                 * node being fenced, this stop action is implied by the fencing 
                 * action. There's no reason to send the fenced node a stop notification */ 
                if (stop &&
                    is_set(stop->flags, pe_action_pseudo) &&
                    current_node->details->unclean) {

                    continue;
                }

                pe_notify(rsc, current_node, n_data->pre, n_data->pre_done, n_data, data_set);
                if (task == action_demote || stop == NULL
                    || is_set(stop->flags, pe_action_optional)) {
                    pe_post_notify(rsc, current_node, n_data, data_set);
                }
            }
        }
    }

    /* start / promote */
    if (rsc->next_role != RSC_ROLE_STOPPED) {
        if (rsc->allocated_to == NULL) {
            pe_proc_err("Next role '%s' but %s is not allocated", role2text(rsc->next_role),
                        rsc->id);

        } else if (task == start_rsc || task == action_promote) {
            if (task != start_rsc || start == NULL || is_set(start->flags, pe_action_optional)) {
                pe_notify(rsc, rsc->allocated_to, n_data->pre, n_data->pre_done, n_data, data_set);
            }
            pe_post_notify(rsc, rsc->allocated_to, n_data, data_set);
        }
    }
}
예제 #2
0
void
collect_notification_data(resource_t * rsc, gboolean state, gboolean activity,
                          notify_data_t * n_data)
{

    if(n_data->allowed_nodes == NULL) {
        n_data->allowed_nodes = rsc->allowed_nodes;
    }

    if (rsc->children) {
        GListPtr gIter = rsc->children;

        for (; gIter != NULL; gIter = gIter->next) {
            resource_t *child = (resource_t *) gIter->data;

            collect_notification_data(child, state, activity, n_data);
        }
        return;
    }

    if (state) {
        notify_entry_t *entry = NULL;

        entry = calloc(1, sizeof(notify_entry_t));
        entry->rsc = rsc;
        if (rsc->running_on) {
            /* we only take the first one */
            entry->node = rsc->running_on->data;
        }

        pe_rsc_trace(rsc, "%s state: %s", rsc->id, role2text(rsc->role));

        switch (rsc->role) {
            case RSC_ROLE_STOPPED:
                n_data->inactive = g_list_prepend(n_data->inactive, entry);
                break;
            case RSC_ROLE_STARTED:
                n_data->active = g_list_prepend(n_data->active, entry);
                break;
            case RSC_ROLE_SLAVE:
                n_data->slave = g_list_prepend(n_data->slave, entry);
                n_data->active = g_list_prepend(n_data->active,
                                                dup_notify_entry(entry));
                break;
            case RSC_ROLE_MASTER:
                n_data->master = g_list_prepend(n_data->master, entry);
                n_data->active = g_list_prepend(n_data->active,
                                                dup_notify_entry(entry));
                break;
            default:
                crm_err("Unsupported notify role");
                free(entry);
                break;
        }
    }

    if (activity) {
        notify_entry_t *entry = NULL;
        enum action_tasks task;

        GListPtr gIter = rsc->actions;

        for (; gIter != NULL; gIter = gIter->next) {
            action_t *op = (action_t *) gIter->data;

            if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {

                entry = calloc(1, sizeof(notify_entry_t));
                entry->node = op->node;
                entry->rsc = rsc;

                task = text2task(op->task);
                switch (task) {
                    case start_rsc:
                        n_data->start = g_list_prepend(n_data->start, entry);
                        break;
                    case stop_rsc:
                        n_data->stop = g_list_prepend(n_data->stop, entry);
                        break;
                    case action_promote:
                        n_data->promote = g_list_prepend(n_data->promote, entry);
                        break;
                    case action_demote:
                        n_data->demote = g_list_prepend(n_data->demote, entry);
                        break;
                    default:
                        free(entry);
                        break;
                }
            }
        }
    }
}
예제 #3
0
파일: graph.c 프로젝트: SynetoNet/pacemaker
static char *
convert_non_atomic_uuid(char *old_uuid, resource_t * rsc, gboolean allow_notify,
                        gboolean free_original)
{
    int interval = 0;
    char *uuid = NULL;
    char *rid = NULL;
    char *raw_task = NULL;
    int task = no_action;

    CRM_ASSERT(rsc);
    pe_rsc_trace(rsc, "Processing %s", old_uuid);
    if (old_uuid == NULL) {
        return NULL;

    } else if (strstr(old_uuid, "notify") != NULL) {
        goto done;              /* no conversion */

    } else if (rsc->variant < pe_group) {
        goto done;              /* no conversion */
    }

    CRM_ASSERT(parse_op_key(old_uuid, &rid, &raw_task, &interval));
    if (interval > 0) {
        goto done;              /* no conversion */
    }

    task = text2task(raw_task);
    switch (task) {
        case stop_rsc:
        case start_rsc:
        case action_notify:
        case action_promote:
        case action_demote:
            break;
        case stopped_rsc:
        case started_rsc:
        case action_notified:
        case action_promoted:
        case action_demoted:
            task--;
            break;
        case monitor_rsc:
        case shutdown_crm:
        case stonith_node:
            task = no_action;
            break;
        default:
            crm_err("Unknown action: %s", raw_task);
            task = no_action;
            break;
    }

    if (task != no_action) {
        if (is_set(rsc->flags, pe_rsc_notify) && allow_notify) {
            uuid = generate_notify_key(rid, "confirmed-post", task2text(task + 1));

        } else {
            uuid = generate_op_key(rid, task2text(task + 1), 0);
        }
        pe_rsc_trace(rsc, "Converted %s -> %s", old_uuid, uuid);
    }

  done:
    if (uuid == NULL) {
        uuid = strdup(old_uuid);
    }

    if (free_original) {
        free(old_uuid);
    }

    free(raw_task);
    free(rid);
    return uuid;
}
예제 #4
0
void
create_notifications(resource_t * rsc, notify_data_t * n_data, pe_working_set_t * data_set)
{
    GListPtr gIter = NULL;
    action_t *stop = NULL;
    action_t *start = NULL;
    enum action_tasks task = text2task(n_data->action);

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

            create_notifications(child, n_data, data_set);
        }
        return;
    }

    /* Copy notification details into standard ops */

    for (gIter = rsc->actions; gIter != NULL; gIter = gIter->next) {
        action_t *op = (action_t *) gIter->data;

        if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
            enum action_tasks t = text2task(op->task);

            switch (t) {
                case start_rsc:
                case stop_rsc:
                case action_promote:
                case action_demote:
                    add_notify_data_to_action_meta(n_data, op);
                    break;
                default:
                    break;
            }
        }
    }

    switch (task) {
        case start_rsc:
            if(g_list_length(n_data->start) == 0) {
                pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
                             n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
                return;
            }
            break;
        case action_promote:
            if(g_list_length(n_data->promote) == 0) {
                pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
                             n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
                return;
            }
            break;
        case action_demote:
            if(g_list_length(n_data->demote) == 0) {
                pe_rsc_trace(rsc, "Skipping empty notification for: %s.%s (%s->%s)",
                             n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
                return;
            }
            break;
        default:
            /* We cannot do the same for stop_rsc/n_data->stop at it
             * might be implied by fencing
             */
            break;
    }

    pe_rsc_trace(rsc, "Creating notifications for: %s.%s (%s->%s)",
                 n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));

    stop = find_first_action(rsc->actions, NULL, RSC_STOP, NULL);
    start = find_first_action(rsc->actions, NULL, RSC_START, NULL);

    /* stop / demote */
    if (rsc->role != RSC_ROLE_STOPPED) {
        if (task == stop_rsc || task == action_demote) {
            gIter = rsc->running_on;
            for (; gIter != NULL; gIter = gIter->next) {
                node_t *current_node = (node_t *) gIter->data;

                /* if this stop action is a pseudo action as a result of the current
                 * node being fenced, this stop action is implied by the fencing 
                 * action. There's no reason to send the fenced node a stop notification */ 
                if (stop &&
                    is_set(stop->flags, pe_action_pseudo) &&
                    (current_node->details->unclean || current_node->details->remote_requires_reset) ) {

                    continue;
                }

                pe_notify(rsc, current_node, n_data->pre, n_data->pre_done, n_data, data_set);
                if (task == action_demote || stop == NULL
                    || is_set(stop->flags, pe_action_optional)) {
                    pe_post_notify(rsc, current_node, n_data, data_set);
                }
            }
        }
    }

    /* start / promote */
    if (rsc->next_role != RSC_ROLE_STOPPED) {
        if (rsc->allocated_to == NULL) {
            pe_proc_err("Next role '%s' but %s is not allocated", role2text(rsc->next_role),
                        rsc->id);

        } else if (task == start_rsc || task == action_promote) {

            if (start) {
                pe_action_t *remote_start = find_remote_start(start);

                if (remote_start
                    && is_not_set(remote_start->flags, pe_action_runnable)) {
                    /* Start and promote actions for a clone instance behind
                     * a Pacemaker Remote connection happen after the
                     * connection starts. If the connection start is blocked, do
                     * not schedule notifications for these actions.
                     */
                    return;
                }
            }
            if (task != start_rsc || start == NULL || is_set(start->flags, pe_action_optional)) {
                pe_notify(rsc, rsc->allocated_to, n_data->pre, n_data->pre_done, n_data, data_set);
            }
            pe_post_notify(rsc, rsc->allocated_to, n_data, data_set);
        }
    }
}
예제 #5
0
action_t *
custom_action(resource_t * rsc, char *key, const char *task,
              node_t * on_node, gboolean optional, gboolean save_action,
              pe_working_set_t * data_set)
{
    action_t *action = NULL;
    GListPtr possible_matches = NULL;

    CRM_CHECK(key != NULL, return NULL);
    CRM_CHECK(task != NULL, return NULL);

    if (save_action && rsc != NULL) {
        possible_matches = find_actions(rsc->actions, key, on_node);
    }

    if (possible_matches != NULL) {
        if (g_list_length(possible_matches) > 1) {
            pe_warn("Action %s for %s on %s exists %d times",
                    task, rsc ? rsc->id : "<NULL>",
                    on_node ? on_node->details->uname : "<NULL>", g_list_length(possible_matches));
        }

        action = g_list_nth_data(possible_matches, 0);
        crm_trace("Found existing action (%d) %s for %s on %s",
                  action->id, task, rsc ? rsc->id : "<NULL>",
                  on_node ? on_node->details->uname : "<NULL>");
        g_list_free(possible_matches);
    }

    if (action == NULL) {
        if (save_action) {
            crm_trace("Creating%s action %d: %s for %s on %s",
                      optional ? "" : " manditory", data_set->action_id, key,
                      rsc ? rsc->id : "<NULL>", on_node ? on_node->details->uname : "<NULL>");
        }

        action = calloc(1, sizeof(action_t));
        if (save_action) {
            action->id = data_set->action_id++;
        } else {
            action->id = 0;
        }
        action->rsc = rsc;
        CRM_ASSERT(task != NULL);
        action->task = strdup(task);
        if (on_node) {
            action->node = node_copy(on_node);
        }
        action->uuid = strdup(key);

        pe_set_action_bit(action, pe_action_failure_is_fatal);
        pe_set_action_bit(action, pe_action_runnable);
        if (optional) {
            pe_set_action_bit(action, pe_action_optional);
        } else {
            pe_clear_action_bit(action, pe_action_optional);
        }

/*
  Implied by calloc()...
  action->actions_before   = NULL;
  action->actions_after    = NULL;
		
  action->pseudo     = FALSE;
  action->dumped     = FALSE;
  action->processed  = FALSE;
  action->seen_count = 0;
*/

        action->extra = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free);

        action->meta = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free);

        if (save_action) {
            data_set->actions = g_list_prepend(data_set->actions, action);
        }

        if (rsc != NULL) {
            action->op_entry = find_rsc_op_entry_helper(rsc, key, TRUE);

            unpack_operation(action, action->op_entry, data_set);

            if (save_action) {
                rsc->actions = g_list_prepend(rsc->actions, action);
            }
        }

        if (save_action) {
            crm_trace("Action %d created", action->id);
        }
    }

    if (optional == FALSE) {
        crm_trace("Action %d (%s) marked manditory", action->id, action->uuid);
        pe_clear_action_bit(action, pe_action_optional);
    }

    if (rsc != NULL) {
        enum action_tasks a_task = text2task(action->task);
        int warn_level = LOG_DEBUG_3;

        if (save_action) {
            warn_level = LOG_WARNING;
        }

        if (is_set(action->flags, pe_action_have_node_attrs) == FALSE
            && action->node != NULL && action->op_entry != NULL) {
            pe_set_action_bit(action, pe_action_have_node_attrs);
            unpack_instance_attributes(data_set->input, action->op_entry, XML_TAG_ATTR_SETS,
                                       action->node->details->attrs,
                                       action->extra, NULL, FALSE, data_set->now);
        }

        if (is_set(action->flags, pe_action_pseudo)) {
            /* leave untouched */

        } else if (action->node == NULL) {
            pe_clear_action_bit(action, pe_action_runnable);

        } else if (is_not_set(rsc->flags, pe_rsc_managed)
                   && g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL) == NULL) {
            crm_debug("Action %s (unmanaged)", action->uuid);
            pe_set_action_bit(action, pe_action_optional);
/*   			action->runnable = FALSE; */

        } else if (action->node->details->online == FALSE) {
            pe_clear_action_bit(action, pe_action_runnable);
            do_crm_log(warn_level, "Action %s on %s is unrunnable (offline)",
                       action->uuid, action->node->details->uname);
            if (is_set(action->rsc->flags, pe_rsc_managed)
                && save_action && a_task == stop_rsc) {
                do_crm_log(warn_level, "Marking node %s unclean", action->node->details->uname);
                action->node->details->unclean = TRUE;
            }

        } else if (action->node->details->pending) {
            pe_clear_action_bit(action, pe_action_runnable);
            do_crm_log(warn_level, "Action %s on %s is unrunnable (pending)",
                       action->uuid, action->node->details->uname);

        } else if (action->needs == rsc_req_nothing) {
            crm_trace("Action %s doesnt require anything", action->uuid);
            pe_set_action_bit(action, pe_action_runnable);
#if 0
            /*
             * No point checking this
             * - if we dont have quorum we cant stonith anyway
             */
        } else if (action->needs == rsc_req_stonith) {
            crm_trace("Action %s requires only stonith", action->uuid);
            action->runnable = TRUE;
#endif
        } else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE
                   && data_set->no_quorum_policy == no_quorum_stop) {
            pe_clear_action_bit(action, pe_action_runnable);
            crm_debug("%s\t%s (cancelled : quorum)", action->node->details->uname, action->uuid);

        } else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE
                   && data_set->no_quorum_policy == no_quorum_freeze) {
            crm_trace("Check resource is already active");
            if (rsc->fns->active(rsc, TRUE) == FALSE) {
                pe_clear_action_bit(action, pe_action_runnable);
                crm_debug("%s\t%s (cancelled : quorum freeze)",
                          action->node->details->uname, action->uuid);
            }

        } else {
            crm_trace("Action %s is runnable", action->uuid);
            pe_set_action_bit(action, pe_action_runnable);
        }

        if (save_action) {
            switch (a_task) {
                case stop_rsc:
                    set_bit(rsc->flags, pe_rsc_stopping);
                    break;
                case start_rsc:
                    clear_bit(rsc->flags, pe_rsc_starting);
                    if (is_set(action->flags, pe_action_runnable)) {
                        set_bit(rsc->flags, pe_rsc_starting);
                    }
                    break;
                default:
                    break;
            }
        }
    }

    free(key);
    return action;
}