Example #1
0
gboolean
crm_is_peer_active(const crm_node_t * node)
{
    if(node == NULL) {
        return FALSE;
    }

    if (is_set(node->flags, crm_remote_node)) {
        /* remote nodes are never considered active members. This
         * guarantees they will never be considered for DC membership.*/
        return FALSE;
    }
#if SUPPORT_COROSYNC
    if (is_openais_cluster()) {
        return crm_is_corosync_peer_active(node);
    }
#endif
#if SUPPORT_HEARTBEAT
    if (is_heartbeat_cluster()) {
        return crm_is_heartbeat_peer_active(node);
    }
#endif
    crm_err("Unhandled cluster type: %s", name_for_cluster_type(get_cluster_type()));
    return FALSE;
}
Example #2
0
int
init_mgmt_lib(const char* client, int enable_components)
{
    /* create the internal data structures */
    msg_map = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
    event_map = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
    client_name = client?client:"unknown";
    components = enable_components;
    mgmt_set_mem_funcs(malloc, realloc, free);

    /* init modules */
#if SUPPORT_HEARTBEAT
    if(is_heartbeat_cluster()) {
        if (components & ENABLE_HB) {
            if (init_heartbeat() != 0) {
                return -1;
            }
        }
    }
#endif
    if (components & ENABLE_LRM) {
        if (init_lrm() != 0) {
            return -1;
        }
    }
    return 0;
}
Example #3
0
gboolean
crm_cluster_connect(crm_cluster_t * cluster)
{
    enum cluster_type_e type = get_cluster_type();

    crm_notice("Connecting to cluster infrastructure: %s", name_for_cluster_type(type));
#if SUPPORT_COROSYNC
    if (is_openais_cluster()) {
        crm_peer_init();
        return init_cs_connection(cluster);
    }
#endif

#if SUPPORT_HEARTBEAT
    if (is_heartbeat_cluster()) {
        int rv;

        /* coverity[var_deref_op] False positive */
        if (cluster->hb_conn == NULL) {
            /* No object passed in, create a new one. */
            ll_cluster_t *(*new_cluster) (const char *llctype) =
                find_library_function(&hb_library, HEARTBEAT_LIBRARY, "ll_cluster_new", 1);

            cluster->hb_conn = (*new_cluster) ("heartbeat");
            /* dlclose(handle); */

        } else {
            /* Object passed in. Disconnect first, then reconnect below. */
            cluster->hb_conn->llc_ops->signoff(cluster->hb_conn, FALSE);
        }

        /* make sure we are disconnected first with the old object, if any. */
        if (heartbeat_cluster && heartbeat_cluster != cluster->hb_conn) {
            heartbeat_cluster->llc_ops->signoff(heartbeat_cluster, FALSE);
        }

        CRM_ASSERT(cluster->hb_conn != NULL);
        heartbeat_cluster = cluster->hb_conn;

        rv = register_heartbeat_conn(cluster);
        if (rv) {
            /* we'll benefit from a bigger queue length on heartbeat side.
             * Otherwise, if peers send messages faster than we can consume
             * them right now, heartbeat messaging layer will kick us out once
             * it's (small) default queue fills up :(
             * If we fail to adjust the sendq length, that's not yet fatal, though.
             */
            if (HA_OK != heartbeat_cluster->llc_ops->set_sendq_len(heartbeat_cluster, 1024)) {
                crm_warn("Cannot set sendq length: %s",
                         heartbeat_cluster->llc_ops->errmsg(heartbeat_cluster));
            }
        }
        return rv;
    }
#endif
    crm_info("Unsupported cluster stack: %s", getenv("HA_cluster_type"));
    return FALSE;
}
Example #4
0
gboolean te_stop(void)
{
    destroy_graph(transition_graph);
    
#if SUPPORT_HEARTBEAT
    if(is_heartbeat_cluster()) {
	stonithd_signoff();
    }
#endif	
    crm_free(te_uuid);
}
Example #5
0
gboolean
crm_is_peer_active(const crm_node_t * node)
{
#if SUPPORT_COROSYNC
    if(is_openais_cluster()) {
        return crm_is_corosync_peer_active(node);
    }
#endif
#if SUPPORT_HEARTBEAT
    if(is_heartbeat_cluster()) {
        return crm_is_heartbeat_peer_active(node);
    }
#endif
    crm_err("Unhandled cluster type: %s", name_for_cluster_type(get_cluster_type()));
    return FALSE;
}
Example #6
0
int
final_mgmt_lib()
{
    if (components & ENABLE_LRM) {
        final_lrm();
    }
#if SUPPORT_HEARTBEAT
    if(is_heartbeat_cluster()) {
        if (components & ENABLE_HB) {
            final_heartbeat();
        }
    }
#endif
    g_hash_table_destroy(msg_map);
    g_hash_table_destroy(event_map);
    return 0;
}
Example #7
0
gboolean
send_cluster_message(crm_node_t * node, enum crm_ais_msg_types service, xmlNode * data,
                     gboolean ordered)
{

#if SUPPORT_COROSYNC
    if (is_openais_cluster()) {
        return send_cluster_message_cs(data, FALSE, node, service);
    }
#endif
#if SUPPORT_HEARTBEAT
    if (is_heartbeat_cluster()) {
        return send_ha_message(heartbeat_cluster, data, node ? node->uname : NULL, ordered);
    }
#endif
    return FALSE;
}
Example #8
0
void
crm_cluster_disconnect(crm_cluster_t * cluster)
{
    enum cluster_type_e type = get_cluster_type();
    const char *type_str = name_for_cluster_type(type);

    crm_info("Disconnecting from cluster infrastructure: %s", type_str);
#if SUPPORT_COROSYNC
    if (is_openais_cluster()) {
        crm_peer_destroy();
        terminate_cs_connection(cluster);
        crm_info("Disconnected from %s", type_str);
        return;
    }
#endif

#if SUPPORT_HEARTBEAT
    if (is_heartbeat_cluster()) {
        if (cluster == NULL) {
            crm_info("No cluster connection");
            return;

        } else if (cluster->hb_conn) {
            cluster->hb_conn->llc_ops->signoff(cluster->hb_conn, TRUE);
            cluster->hb_conn = NULL;
            crm_info("Disconnected from %s", type_str);
            return;

        } else {
            crm_info("No %s connection", type_str);
            return;
        }
    }
#endif
    crm_info("Unsupported cluster stack: %s", getenv("HA_cluster_type"));
}
Example #9
0
/*	A_ELECTION_COUNT	*/
void
do_election_count_vote(long long action,
                       enum crmd_fsa_cause cause,
                       enum crmd_fsa_state cur_state,
                       enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
    struct timeval your_age;
    int age;
    int election_id = -1;
    int log_level = LOG_INFO;
    gboolean use_born_on = FALSE;
    gboolean done = FALSE;
    gboolean we_loose = FALSE;
    const char *op = NULL;
    const char *vote_from = NULL;
    const char *your_version = NULL;
    const char *election_owner = NULL;
    const char *reason = "unknown";
    crm_node_t *our_node = NULL, *your_node = NULL;
    ha_msg_input_t *vote = fsa_typed_data(fsa_dt_ha_msg);

    static time_t last_election_loss = 0;

    /* if the membership copy is NULL we REALLY shouldnt be voting
     * the question is how we managed to get here.
     */

    CRM_CHECK(msg_data != NULL, return);
    CRM_CHECK(crm_peer_cache != NULL, return);
    CRM_CHECK(vote != NULL, crm_err("Bogus data from %s", msg_data->origin); return);
    CRM_CHECK(vote->msg != NULL, crm_err("Bogus data from %s", msg_data->origin); return);

    your_age.tv_sec = 0;
    your_age.tv_usec = 0;

    op = crm_element_value(vote->msg, F_CRM_TASK);
    vote_from = crm_element_value(vote->msg, F_CRM_HOST_FROM);
    your_version = crm_element_value(vote->msg, F_CRM_VERSION);
    election_owner = crm_element_value(vote->msg, F_CRM_ELECTION_OWNER);
    crm_element_value_int(vote->msg, F_CRM_ELECTION_ID, &election_id);
    crm_element_value_int(vote->msg, F_CRM_ELECTION_AGE_S, (int *)&(your_age.tv_sec));
    crm_element_value_int(vote->msg, F_CRM_ELECTION_AGE_US, (int *)&(your_age.tv_usec));

    CRM_CHECK(vote_from != NULL, vote_from = fsa_our_uname);

    your_node = crm_get_peer(0, vote_from);
    our_node = crm_get_peer(0, fsa_our_uname);

    if (voted == NULL) {
        crm_debug("Created voted hash");
        voted = g_hash_table_new_full(crm_str_hash, g_str_equal,
                                      g_hash_destroy_str, g_hash_destroy_str);
    }

    if (is_heartbeat_cluster()) {
        use_born_on = TRUE;
    } else if (is_classic_ais_cluster()) {
        use_born_on = TRUE;
    }

    age = crm_compare_age(your_age);

    if (cur_state == S_STARTING) {
        reason = "Still starting";
        we_loose = TRUE;

    } else if (our_node == NULL || crm_is_peer_active(our_node) == FALSE) {
        reason = "We are not part of the cluster";
        log_level = LOG_ERR;
        we_loose = TRUE;

    } else if (election_id != current_election_id && crm_str_eq(fsa_our_uuid, election_owner, TRUE)) {
        log_level = LOG_DEBUG_2;
        reason = "Superceeded";
        done = TRUE;

    } else if (your_node == NULL || crm_is_peer_active(your_node) == FALSE) {
        /* Possibly we cached the message in the FSA queue at a point that it wasn't */
        reason = "Peer is not part of our cluster";
        log_level = LOG_WARNING;
        done = TRUE;

    } else if (crm_str_eq(op, CRM_OP_NOVOTE, TRUE)) {
        char *op_copy = strdup(op);
        char *uname_copy = strdup(vote_from);

        CRM_ASSERT(crm_str_eq(fsa_our_uuid, election_owner, TRUE));

        /* update the list of nodes that have voted */
        g_hash_table_replace(voted, uname_copy, op_copy);
        reason = "Recorded";
        done = TRUE;

    } else if (crm_str_eq(vote_from, fsa_our_uname, TRUE)) {
        char *op_copy = strdup(op);
        char *uname_copy = strdup(vote_from);

        CRM_ASSERT(crm_str_eq(fsa_our_uuid, election_owner, TRUE));

        /* update ourselves in the list of nodes that have voted */
        g_hash_table_replace(voted, uname_copy, op_copy);
        reason = "Recorded";
        done = TRUE;

    } else if (compare_version(your_version, CRM_FEATURE_SET) < 0) {
        reason = "Version";
        we_loose = TRUE;

    } else if (compare_version(your_version, CRM_FEATURE_SET) > 0) {
        reason = "Version";

    } else if (age < 0) {
        reason = "Uptime";
        we_loose = TRUE;

    } else if (age > 0) {
        reason = "Uptime";

        /* TODO: Check for y(our) born < 0 */
    } else if (use_born_on && your_node->born < our_node->born) {
        reason = "Born";
        we_loose = TRUE;

    } else if (use_born_on && your_node->born > our_node->born) {
        reason = "Born";

    } else if (fsa_our_uname == NULL) {
        reason = "Unknown host name";
        we_loose = TRUE;

    } else if (strcasecmp(fsa_our_uname, vote_from) > 0) {
        reason = "Host name";
        we_loose = TRUE;

    } else {
        reason = "Host name";
        CRM_ASSERT(strcmp(fsa_our_uname, vote_from) != 0);
/* cant happen...
 *	} else if(strcasecmp(fsa_our_uname, vote_from) == 0) {
 *
 * default...
 *	} else { // strcasecmp(fsa_our_uname, vote_from) < 0
 *		we win
 */
    }

    if (done) {
        do_crm_log(log_level + 1, "Election %d (current: %d, owner: %s): Processed %s from %s (%s)",
                   election_id, current_election_id, election_owner, op, vote_from, reason);

    } else if (we_loose) {
        xmlNode *novote = create_request(CRM_OP_NOVOTE, NULL, vote_from,
                                         CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL);

        do_crm_log(log_level, "Election %d (owner: %s) lost: %s from %s (%s)",
                   election_id, election_owner, op, vote_from, reason);
        update_dc(NULL);

        crm_timer_stop(election_timeout);
        if (fsa_input_register & R_THE_DC) {
            crm_trace("Give up the DC to %s", vote_from);
            register_fsa_input(C_FSA_INTERNAL, I_RELEASE_DC, NULL);

        } else if (cur_state != S_STARTING) {
            crm_trace("We werent the DC anyway");
            register_fsa_input(C_FSA_INTERNAL, I_PENDING, NULL);
        }

        crm_xml_add(novote, F_CRM_ELECTION_OWNER, election_owner);
        crm_xml_add_int(novote, F_CRM_ELECTION_ID, election_id);

        send_cluster_message(crm_get_peer(0, vote_from), crm_msg_crmd, novote, TRUE);
        free_xml(novote);

        fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_scope_local);

        last_election_loss = time(NULL);

    } else {
        do_crm_log(log_level, "Election %d (owner: %s) pass: %s from %s (%s)",
                   election_id, election_owner, op, vote_from, reason);

        if (last_election_loss) {
            time_t tm_now = time(NULL);

            if (tm_now - last_election_loss < (time_t) loss_dampen) {
                crm_info("Election %d ignore: We already lost an election less than %ds ago (%s)",
                         election_id, loss_dampen, ctime(&last_election_loss));
                update_dc(NULL);
                return;
            }
            last_election_loss = 0;
        }

        register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL);
        g_hash_table_destroy(voted);
        voted = NULL;
    }
}
/*	A_ELECTION_COUNT	*/
enum election_result
election_count_vote(election_t *e, xmlNode *vote, bool can_win)
{
    int age = 0;
    int election_id = -1;
    int log_level = LOG_INFO;
    gboolean use_born_on = FALSE;
    gboolean done = FALSE;
    gboolean we_loose = FALSE;
    const char *op = NULL;
    const char *from = NULL;
    const char *reason = "unknown";
    const char *election_owner = NULL;
    crm_node_t *our_node = NULL, *your_node = NULL;

    static int election_wins = 0;

    xmlNode *novote = NULL;
    time_t tm_now = time(NULL);
    static time_t expires = 0;
    static time_t last_election_loss = 0;

    /* if the membership copy is NULL we REALLY shouldn't be voting
     * the question is how we managed to get here.
     */

    CRM_CHECK(vote != NULL, return election_error);

    if(e == NULL) {
        crm_info("Not voting in election: not initialized");
        return election_lost;

    } else if(crm_peer_cache == NULL) {
        crm_info("Not voting in election: no peer cache");
        return election_lost;
    }

    op = crm_element_value(vote, F_CRM_TASK);
    from = crm_element_value(vote, F_CRM_HOST_FROM);
    election_owner = crm_element_value(vote, F_CRM_ELECTION_OWNER);
    crm_element_value_int(vote, F_CRM_ELECTION_ID, &election_id);

    your_node = crm_get_peer(0, from);
    our_node = crm_get_peer(0, e->uname);

    if (e->voted == NULL) {
        crm_debug("Created voted hash");
        e->voted = g_hash_table_new_full(crm_str_hash, g_str_equal,
                                         g_hash_destroy_str, g_hash_destroy_str);
    }

    if (is_heartbeat_cluster()) {
        use_born_on = TRUE;
    } else if (is_classic_ais_cluster()) {
        use_born_on = TRUE;
    }

    if(can_win == FALSE) {
        reason = "Not eligible";
        we_loose = TRUE;

    } else if (our_node == NULL || crm_is_peer_active(our_node) == FALSE) {
        reason = "We are not part of the cluster";
        log_level = LOG_ERR;
        we_loose = TRUE;

    } else if (election_id != e->count && crm_str_eq(our_node->uuid, election_owner, TRUE)) {
        log_level = LOG_TRACE;
        reason = "Superseded";
        done = TRUE;

    } else if (your_node == NULL || crm_is_peer_active(your_node) == FALSE) {
        /* Possibly we cached the message in the FSA queue at a point that it wasn't */
        reason = "Peer is not part of our cluster";
        log_level = LOG_WARNING;
        done = TRUE;

    } else if (crm_str_eq(op, CRM_OP_NOVOTE, TRUE)) {
        char *op_copy = strdup(op);
        char *uname_copy = strdup(from);

        CRM_ASSERT(crm_str_eq(our_node->uuid, election_owner, TRUE));

        /* update the list of nodes that have voted */
        g_hash_table_replace(e->voted, uname_copy, op_copy);
        reason = "Recorded";
        done = TRUE;

    } else {
        struct timeval your_age;
        const char *your_version = crm_element_value(vote, F_CRM_VERSION);
        int tv_sec = 0;
        int tv_usec = 0;

        crm_element_value_int(vote, F_CRM_ELECTION_AGE_S, &tv_sec);
        crm_element_value_int(vote, F_CRM_ELECTION_AGE_US, &tv_usec);

        your_age.tv_sec = tv_sec;
        your_age.tv_usec = tv_usec;

        age = crm_compare_age(your_age);
        if (crm_str_eq(from, e->uname, TRUE)) {
            char *op_copy = strdup(op);
            char *uname_copy = strdup(from);

            CRM_ASSERT(crm_str_eq(our_node->uuid, election_owner, TRUE));

            /* update ourselves in the list of nodes that have voted */
            g_hash_table_replace(e->voted, uname_copy, op_copy);
            reason = "Recorded";
            done = TRUE;

        } else if (compare_version(your_version, CRM_FEATURE_SET) < 0) {
            reason = "Version";
            we_loose = TRUE;

        } else if (compare_version(your_version, CRM_FEATURE_SET) > 0) {
            reason = "Version";

        } else if (age < 0) {
            reason = "Uptime";
            we_loose = TRUE;

        } else if (age > 0) {
            reason = "Uptime";

            /* TODO: Check for y(our) born < 0 */
        } else if (use_born_on && your_node->born < our_node->born) {
            reason = "Born";
            we_loose = TRUE;

        } else if (use_born_on && your_node->born > our_node->born) {
            reason = "Born";

        } else if (e->uname == NULL) {
            reason = "Unknown host name";
            we_loose = TRUE;

        } else if (strcasecmp(e->uname, from) > 0) {
            reason = "Host name";
            we_loose = TRUE;

        } else {
            reason = "Host name";
            CRM_ASSERT(strcasecmp(e->uname, from) < 0);
/* can't happen...
 *	} else if(strcasecmp(e->uname, from) == 0) {
 *
 */
        }
    }

    if (expires < tm_now) {
        election_wins = 0;
        expires = tm_now + STORM_INTERVAL;

    } else if (done == FALSE && we_loose == FALSE) {
        int peers = 1 + g_hash_table_size(crm_peer_cache);

        /* If every node has to vote down every other node, thats N*(N-1) total elections
         * Allow some leway before _really_ complaining
         */
        election_wins++;
        if (election_wins > (peers * peers)) {
            crm_warn("Election storm detected: %d elections in %d seconds", election_wins,
                     STORM_INTERVAL);
            election_wins = 0;
            expires = tm_now + STORM_INTERVAL;
            crm_write_blackbox(0, NULL);
        }
    }

    if (done) {
        do_crm_log(log_level + 1, "Election %d (current: %d, owner: %s): Processed %s from %s (%s)",
                   election_id, e->count, election_owner, op, from, reason);
        return e->state;

    } else if(we_loose == FALSE) {
        do_crm_log(log_level, "Election %d (owner: %s) pass: %s from %s (%s)",
                   election_id, election_owner, op, from, reason);

        if (last_election_loss == 0
            || tm_now - last_election_loss > (time_t) loss_dampen) {

            last_election_loss = 0;
            election_timeout_stop(e);

            /* Start a new election by voting down this, and other, peers */
            e->state = election_start;
            return e->state;
        }

        crm_info("Election %d ignore: We already lost an election less than %ds ago (%s)",
                 election_id, loss_dampen, ctime(&last_election_loss));
    }

    novote = create_request(CRM_OP_NOVOTE, NULL, from,
                            CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL);

    do_crm_log(log_level, "Election %d (owner: %s) lost: %s from %s (%s)",
               election_id, election_owner, op, from, reason);

    election_timeout_stop(e);

    crm_xml_add(novote, F_CRM_ELECTION_OWNER, election_owner);
    crm_xml_add_int(novote, F_CRM_ELECTION_ID, election_id);

    send_cluster_message(your_node, crm_msg_crmd, novote, TRUE);
    free_xml(novote);

    last_election_loss = tm_now;
    e->state = election_lost;
    return e->state;
}
Example #11
0
static void
crmd_cs_dispatch(cpg_handle_t handle,
                         const struct cpg_name *groupName,
                         uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
{
    int seq = 0;
    xmlNode *xml = NULL;
    const char *seq_s = NULL;
    crm_node_t *peer = NULL;
    enum crm_proc_flag flag = crm_proc_cpg;

    uint32_t kind = 0;
    const char *from = NULL;
    char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from);

    if(data == NULL) {
        return;
    }
    xml = string2xml(data);
    if (xml == NULL) {
        crm_err("Could not parse message content (%d): %.100s", kind, data);
        free(data);
        return;
    }

    switch (kind) {
        case crm_class_members:
            seq_s = crm_element_value(xml, "id");
            seq = crm_int_helper(seq_s, NULL);
            set_bit(fsa_input_register, R_PEER_DATA);
            post_cache_update(seq);

            /* fall through */
        case crm_class_quorum:
            crm_update_quorum(crm_have_quorum, FALSE);
            if (AM_I_DC) {
                const char *votes = crm_element_value(xml, "expected");

                if (votes == NULL || check_number(votes) == FALSE) {
                    crm_log_xml_err(xml, "Invalid quorum/membership update");

                } else {
                    int rc = update_attr_delegate(fsa_cib_conn,
                                                  cib_quorum_override | cib_scope_local |
                                                  cib_inhibit_notify,
                                                  XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL,
                                                  XML_ATTR_EXPECTED_VOTES, votes, FALSE, NULL);

                    crm_info("Setting expected votes to %s", votes);
                    if (pcmk_ok > rc) {
                        crm_err("Quorum update failed: %s", pcmk_strerror(rc));
                    }
                }
            }
            break;

        case crm_class_cluster:
            crm_xml_add(xml, F_ORIG, from);
            /* crm_xml_add_int(xml, F_SEQ, wrapper->id); Fake? */

            if (is_heartbeat_cluster()) {
                flag = crm_proc_heartbeat;

            } else if (is_classic_ais_cluster()) {
                flag = crm_proc_plugin;
            }

            peer = crm_get_peer(0, from);
            if (is_not_set(peer->processes, flag)) {
                /* If we can still talk to our peer process on that node,
                 * then its also part of the corosync membership
                 */
                crm_warn("Receiving messages from a node we think is dead: %s[%d]", peer->uname,
                         peer->id);
                crm_update_peer_proc(__FUNCTION__, peer, flag, ONLINESTATUS);
            }
            crmd_ha_msg_filter(xml);
            break;

        case crm_class_rmpeer:
            /* Ignore */
            break;

        case crm_class_notify:
        case crm_class_nodeid:
            crm_err("Unexpected message class (%d): %.100s", kind, data);
            break;

        default:
            crm_err("Invalid message class (%d): %.100s", kind, data);
    }

    free(data);
    free_xml(xml);
}
Example #12
0
void
populate_cib_nodes(enum node_update_flags flags, const char *source)
{
    int call_id = 0;
    gboolean from_hashtable = TRUE;
    int call_options = cib_scope_local | cib_quorum_override;
    xmlNode *node_list = create_xml_node(NULL, XML_CIB_TAG_NODES);

#if SUPPORT_HEARTBEAT
    if (is_not_set(flags, node_update_quick) && is_heartbeat_cluster()) {
        from_hashtable = heartbeat_initialize_nodelist(fsa_cluster_conn, FALSE, node_list);
    }
#endif

#if SUPPORT_COROSYNC
#  if !SUPPORT_PLUGIN
    if (is_not_set(flags, node_update_quick) && is_corosync_cluster()) {
        from_hashtable = corosync_initialize_nodelist(NULL, FALSE, node_list);
    }
#  endif
#endif

    if (from_hashtable) {
        GHashTableIter iter;
        crm_node_t *node = NULL;

        g_hash_table_iter_init(&iter, crm_peer_cache);
        while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) {
            xmlNode *new_node = NULL;

            crm_trace("Creating node entry for %s/%s", node->uname, node->uuid);
            if(node->uuid && node->uname) {
                /* We need both to be valid */
                new_node = create_xml_node(node_list, XML_CIB_TAG_NODE);
                crm_xml_add(new_node, XML_ATTR_ID, node->uuid);
                crm_xml_add(new_node, XML_ATTR_UNAME, node->uname);
            }
        }
    }

    crm_trace("Populating <nodes> section from %s", from_hashtable ? "hashtable" : "cluster");

    fsa_cib_update(XML_CIB_TAG_NODES, node_list, call_options, call_id, NULL);
    fsa_register_cib_callback(call_id, FALSE, NULL, node_list_update_callback);

    free_xml(node_list);

    if (call_id >= pcmk_ok && crm_peer_cache != NULL && AM_I_DC) {
        /*
         * There is no need to update the local CIB with our values if
         * we've not seen valid membership data
         */
        GHashTableIter iter;
        crm_node_t *node = NULL;

        node_list = create_xml_node(NULL, XML_CIB_TAG_STATUS);

        g_hash_table_iter_init(&iter, crm_peer_cache);
        while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) {
            do_update_node_cib(node, flags, node_list, source);
        }

        if (crm_remote_peer_cache) {
            g_hash_table_iter_init(&iter, crm_remote_peer_cache);
            while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) {
                do_update_node_cib(node, flags, node_list, source);
            }
        }

        fsa_cib_update(XML_CIB_TAG_STATUS, node_list, call_options, call_id, NULL);
        fsa_register_cib_callback(call_id, FALSE, NULL, crmd_node_update_complete);
        last_peer_update = call_id;

        free_xml(node_list);
    }
}
Example #13
0
const char *
crm_peer_uname(const char *uuid)
{
    GHashTableIter iter;
    crm_node_t *node = NULL;

    CRM_CHECK(uuid != NULL, return NULL);

    /* remote nodes have the same uname and uuid */
    if (g_hash_table_lookup(crm_remote_peer_cache, uuid)) {
        return uuid;
    }

    /* avoid blocking calls where possible */
    g_hash_table_iter_init(&iter, crm_peer_cache);
    while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) {
        if(node->uuid && strcasecmp(node->uuid, uuid) == 0) {
            if(node->uname) {
                return node->uname;
            }
            break;
        }
    }

#if SUPPORT_COROSYNC
    if (is_openais_cluster()) {
        if (uname_is_uuid() == FALSE && is_corosync_cluster()) {
            uint32_t id = crm_int_helper(uuid, NULL);
            if(id != 0) {
                node = crm_find_peer(id, NULL);
            } else {
                crm_err("Invalid node id: %s", uuid);
            }

        } else {
            node = crm_find_peer(0, uuid);
        }

        if (node) {
            crm_info("Setting uuid for node %s[%u] to '%s'", node->uname, node->id, uuid);
            node->uuid = strdup(uuid);
            if(node->uname) {
                return node->uname;
            }
        }
        return NULL;
    }
#endif

#if SUPPORT_HEARTBEAT
    if (is_heartbeat_cluster()) {
        if (heartbeat_cluster != NULL) {
            cl_uuid_t uuid_raw;
            char *uuid_copy = strdup(uuid);
            char *uname = malloc(MAX_NAME);

            cl_uuid_parse(uuid_copy, &uuid_raw);

            if (heartbeat_cluster->llc_ops->get_name_by_uuid(heartbeat_cluster, &uuid_raw, uname,
                                                             MAX_NAME) == HA_FAIL) {
                crm_err("Could not calculate uname for %s", uuid);
            } else {
                node = crm_get_peer(0, uname);
            }

            free(uuid_copy);
            free(uname);
        }

        if (node) {
            crm_info("Setting uuid for node %s to '%s'", node->uname, uuid);
            node->uuid = strdup(uuid);
            if(node->uname) {
                return node->uname;
            }
        }
        return NULL;
    }
#endif

    return NULL;
}