// SPDX-License-Identifier: GPL-3.0-or-later #include "commands.h" #include "plugins.d/pluginsd_internals.h" PARSER_RC rrdpush_receiver_pluginsd_claimed_id(char **words, size_t num_words, PARSER *parser) { const char *machine_guid_str = get_word(words, num_words, 1); const char *claim_id_str = get_word(words, num_words, 2); if (!machine_guid_str || !claim_id_str) { netdata_log_error("PLUGINSD: command CLAIMED_ID came malformed, machine_guid '%s', claim_id '%s'", machine_guid_str ? machine_guid_str : "[unset]", claim_id_str ? claim_id_str : "[unset]"); return PARSER_RC_ERROR; } RRDHOST *host = parser->user.host; nd_uuid_t machine_uuid; if(uuid_parse(machine_guid_str, machine_uuid)) { netdata_log_error("PLUGINSD: parameter machine guid to CLAIMED_ID command is not valid UUID. " "Received: '%s'.", machine_guid_str); return PARSER_RC_ERROR; } nd_uuid_t claim_uuid; if(strcmp(claim_id_str, "NULL") == 0) uuid_clear(claim_uuid); else if(uuid_parse(claim_id_str, claim_uuid) != 0) { netdata_log_error("PLUGINSD: parameter claim id to CLAIMED_ID command is not valid UUID. " "Received: '%s'.", claim_id_str); return PARSER_RC_ERROR; } if(strcmp(machine_guid_str, host->machine_guid) != 0) { netdata_log_error("PLUGINSD: received claim id for host '%s' but it came over the connection of '%s'", machine_guid_str, host->machine_guid); return PARSER_RC_OK; //the message is OK problem must be somewhere else } if(host == localhost) { netdata_log_error("PLUGINSD: CLAIMED_ID command cannot be used to set the claimed id of localhost. " "Received: '%s'.", claim_id_str); return PARSER_RC_OK; } if(!uuid_is_null(claim_uuid)) { uuid_copy(host->aclk.claim_id_of_origin.uuid, claim_uuid); rrdpush_sender_send_claimed_id(host); } return PARSER_RC_OK; } void rrdpush_sender_send_claimed_id(RRDHOST *host) { if(!stream_has_capability(host->sender, STREAM_CAP_CLAIM)) return; if(unlikely(!rrdhost_can_send_definitions_to_parent(host))) return; BUFFER *wb = sender_start(host->sender); char str[UUID_STR_LEN] = ""; ND_UUID uuid = host->aclk.claim_id_of_origin; if(!UUIDiszero(uuid)) uuid_unparse_lower(uuid.uuid, str); else strncpyz(str, "NULL", sizeof(str) - 1); buffer_sprintf(wb, PLUGINSD_KEYWORD_CLAIMED_ID " '%s' '%s'\n", host->machine_guid, str); sender_commit(host->sender, wb, STREAM_TRAFFIC_TYPE_METADATA); sender_thread_buffer_free(); }