nodes.c

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/*
 * Copyright 2022-2024 the Pacemaker project contributors
 *
 * The version control history for this file may have further details.
 *
 * This source code is licensed under the GNU Lesser General Public License
 * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
 */

#include <crm_internal.h>

#include <libxml/tree.h>        // xmlNode
#include <crm/common/nvpair.h>

bool
pcmk_node_is_online(const pcmk_node_t *node)
{
    return (node != NULL) && node->details->online;
}

bool
pcmk_node_is_pending(const pcmk_node_t *node)
{
    return (node != NULL) && node->details->pending;
}

bool
pcmk_node_is_clean(const pcmk_node_t *node)
{
    return (node != NULL) && !(node->details->unclean);
}

bool
pcmk_node_is_shutting_down(const pcmk_node_t *node)
{
    return (node != NULL) && node->details->shutdown;
}

bool
pcmk_node_is_in_maintenance(const pcmk_node_t *node)
{
    return (node != NULL) && node->details->maintenance;
}

bool
pcmk_foreach_active_resource(pcmk_node_t *node,
                             bool (*fn)(pcmk_resource_t *, void *),
                             void *user_data)
{
    bool result = false;

    if ((node != NULL) && (fn != NULL)) {
        for (GList *item = node->details->running_rsc; item != NULL;
             item = item->next) {

            result = fn((pcmk_resource_t *) item->data, user_data);
            if (!result) {
                break;
            }
        }
    }
    return result;
}

void
pcmk__xe_add_node(xmlNode *xml, const char *node, int nodeid)
{
    CRM_ASSERT(xml != NULL);

    if (node != NULL) {
        crm_xml_add(xml, PCMK__XA_ATTR_HOST, node);
    }

    if (nodeid > 0) {
        crm_xml_add_int(xml, PCMK__XA_ATTR_HOST_ID, nodeid);
    }
}

pcmk_node_t *
pcmk__find_node_in_list(const GList *nodes, const char *node_name)
{
    if (node_name != NULL) {
        for (const GList *iter = nodes; iter != NULL; iter = iter->next) {
            pcmk_node_t *node = (pcmk_node_t *) iter->data;

            if (pcmk__str_eq(node->details->uname, node_name,
                             pcmk__str_casei)) {
                return node;
            }
        }
    }
    return NULL;
}