2 * collectd - src/write_riemann.c
3 * Copyright (C) 2012,2013 Pierre-Yves Ritschard
4 * Copyright (C) 2013 Florian octo Forster
5 * Copyright (C) 2015,2016 Gergely Nagy
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Pierre-Yves Ritschard <pyr at spootnik.org>
27 * Florian octo Forster <octo at collectd.org>
28 * Gergely Nagy <algernon at madhouse-project.org>
31 #include <riemann/riemann-client.h>
38 #include "configfile.h"
39 #include "utils_cache.h"
40 #include "utils_complain.h"
41 #include "write_riemann_threshold.h"
43 #define RIEMANN_HOST "localhost"
44 #define RIEMANN_PORT 5555
45 #define RIEMANN_TTL_FACTOR 2.0
46 #define RIEMANN_BATCH_MAX 8192
49 c_complain_t init_complaint;
51 char *event_service_prefix;
55 _Bool check_thresholds;
57 _Bool always_append_ds;
60 riemann_client_type_t client_type;
61 riemann_client_t *client;
67 riemann_message_t *batch_msg;
71 struct timeval timeout;
74 static char **riemann_tags;
75 static size_t riemann_tags_num;
76 static char **riemann_attrs;
77 static size_t riemann_attrs_num;
79 /* host->lock must be held when calling this function. */
80 static int wrr_connect(struct riemann_host *host) /* {{{ */
88 node = (host->node != NULL) ? host->node : RIEMANN_HOST;
89 port = (host->port) ? host->port : RIEMANN_PORT;
93 host->client = riemann_client_create(host->client_type, node, port,
94 RIEMANN_CLIENT_OPTION_TLS_CA_FILE, host->tls_ca_file,
95 RIEMANN_CLIENT_OPTION_TLS_CERT_FILE, host->tls_cert_file,
96 RIEMANN_CLIENT_OPTION_TLS_KEY_FILE, host->tls_key_file,
97 RIEMANN_CLIENT_OPTION_NONE);
98 if (host->client == NULL) {
99 c_complain (LOG_ERR, &host->init_complaint,
100 "write_riemann plugin: Unable to connect to Riemann at %s:%d",
104 if (host->timeout.tv_sec != 0) {
105 if (riemann_client_set_timeout(host->client, &host->timeout) != 0) {
106 riemann_client_free(host->client);
108 c_complain (LOG_ERR, &host->init_complaint,
109 "write_riemann plugin: Unable to connect to Riemann at %s:%d",
115 c_release (LOG_INFO, &host->init_complaint,
116 "write_riemann plugin: Successfully connected to %s:%d",
120 } /* }}} int wrr_connect */
122 /* host->lock must be held when calling this function. */
123 static int wrr_disconnect(struct riemann_host *host) /* {{{ */
128 riemann_client_free(host->client);
132 } /* }}} int wrr_disconnect */
135 * Function to send messages to riemann.
137 * Acquires the host lock, disconnects on errors.
139 static int wrr_send_nolock(struct riemann_host *host, riemann_message_t *msg) /* {{{ */
143 status = wrr_connect(host);
148 status = riemann_client_send_message(host->client, msg);
150 wrr_disconnect(host);
155 * For TCP we need to receive message acknowledgemenent.
157 if (host->client_type != RIEMANN_CLIENT_UDP)
159 riemann_message_t *response;
161 response = riemann_client_recv_message(host->client);
163 if (response == NULL)
165 wrr_disconnect(host);
168 riemann_message_free(response);
172 } /* }}} int wrr_send */
174 static int wrr_send(struct riemann_host *host, riemann_message_t *msg)
178 pthread_mutex_lock (&host->lock);
179 status = wrr_send_nolock(host, msg);
180 pthread_mutex_unlock (&host->lock);
184 static riemann_message_t *wrr_notification_to_message(struct riemann_host *host, /* {{{ */
185 notification_t const *n)
187 riemann_message_t *msg;
188 riemann_event_t *event;
189 char service_buffer[6 * DATA_MAX_NAME_LEN];
190 char const *severity;
191 notification_meta_t *meta;
196 case NOTIF_OKAY: severity = "ok"; break;
197 case NOTIF_WARNING: severity = "warning"; break;
198 case NOTIF_FAILURE: severity = "critical"; break;
199 default: severity = "unknown";
202 format_name(service_buffer, sizeof(service_buffer),
203 /* host = */ "", n->plugin, n->plugin_instance,
204 n->type, n->type_instance);
206 event = riemann_event_create(RIEMANN_EVENT_FIELD_HOST, n->host,
207 RIEMANN_EVENT_FIELD_TIME, (int64_t) CDTIME_T_TO_TIME_T(n->time),
208 RIEMANN_EVENT_FIELD_TAGS, "notification", NULL,
209 RIEMANN_EVENT_FIELD_STATE, severity,
210 RIEMANN_EVENT_FIELD_SERVICE, &service_buffer[1],
211 RIEMANN_EVENT_FIELD_NONE);
214 riemann_event_string_attribute_add(event, "host", n->host);
215 if (n->plugin[0] != 0)
216 riemann_event_string_attribute_add(event, "plugin", n->plugin);
217 if (n->plugin_instance[0] != 0)
218 riemann_event_string_attribute_add(event, "plugin_instance", n->plugin_instance);
221 riemann_event_string_attribute_add(event, "type", n->type);
222 if (n->type_instance[0] != 0)
223 riemann_event_string_attribute_add(event, "type_instance", n->type_instance);
225 for (i = 0; i < riemann_attrs_num; i += 2)
226 riemann_event_string_attribute_add(event, riemann_attrs[i], riemann_attrs[i+1]);
228 for (i = 0; i < riemann_tags_num; i++)
229 riemann_event_tag_add(event, riemann_tags[i]);
231 if (n->message[0] != 0)
232 riemann_event_string_attribute_add(event, "description", n->message);
234 /* Pull in values from threshold and add extra attributes */
235 for (meta = n->meta; meta != NULL; meta = meta->next)
237 if (strcasecmp("CurrentValue", meta->name) == 0 && meta->type == NM_TYPE_DOUBLE)
239 riemann_event_set(event,
240 RIEMANN_EVENT_FIELD_METRIC_D,
241 (double) meta->nm_value.nm_double,
242 RIEMANN_EVENT_FIELD_NONE);
246 if (meta->type == NM_TYPE_STRING) {
247 riemann_event_string_attribute_add(event, meta->name, meta->nm_value.nm_string);
252 msg = riemann_message_create_with_events(event, NULL);
255 ERROR("write_riemann plugin: riemann_message_create_with_events() failed.");
256 riemann_event_free (event);
260 DEBUG("write_riemann plugin: Successfully created message for notification: "
261 "host = \"%s\", service = \"%s\", state = \"%s\"",
262 event->host, event->service, event->state);
264 } /* }}} riemann_message_t *wrr_notification_to_message */
266 static riemann_event_t *wrr_value_to_event(struct riemann_host const *host, /* {{{ */
267 data_set_t const *ds,
268 value_list_t const *vl, size_t index,
269 gauge_t const *rates,
272 riemann_event_t *event;
273 char name_buffer[5 * DATA_MAX_NAME_LEN];
274 char service_buffer[6 * DATA_MAX_NAME_LEN];
277 event = riemann_event_new();
280 ERROR("write_riemann plugin: riemann_event_new() failed.");
284 format_name(name_buffer, sizeof(name_buffer),
285 /* host = */ "", vl->plugin, vl->plugin_instance,
286 vl->type, vl->type_instance);
287 if (host->always_append_ds || (ds->ds_num > 1))
289 if (host->event_service_prefix == NULL)
290 ssnprintf(service_buffer, sizeof(service_buffer), "%s/%s",
291 &name_buffer[1], ds->ds[index].name);
293 ssnprintf(service_buffer, sizeof(service_buffer), "%s%s/%s",
294 host->event_service_prefix, &name_buffer[1], ds->ds[index].name);
298 if (host->event_service_prefix == NULL)
299 sstrncpy(service_buffer, &name_buffer[1], sizeof(service_buffer));
301 ssnprintf(service_buffer, sizeof(service_buffer), "%s%s",
302 host->event_service_prefix, &name_buffer[1]);
305 riemann_event_set(event,
306 RIEMANN_EVENT_FIELD_HOST, vl->host,
307 RIEMANN_EVENT_FIELD_TIME, (int64_t) CDTIME_T_TO_TIME_T(vl->time),
308 RIEMANN_EVENT_FIELD_TTL, (float) CDTIME_T_TO_DOUBLE(vl->interval) * host->ttl_factor,
309 RIEMANN_EVENT_FIELD_STRING_ATTRIBUTES,
310 "plugin", vl->plugin,
312 "ds_name", ds->ds[index].name,
314 RIEMANN_EVENT_FIELD_SERVICE, service_buffer,
315 RIEMANN_EVENT_FIELD_NONE);
317 if (host->check_thresholds) {
318 const char *state = NULL;
335 riemann_event_set(event, RIEMANN_EVENT_FIELD_STATE, state,
336 RIEMANN_EVENT_FIELD_NONE);
339 if (vl->plugin_instance[0] != 0)
340 riemann_event_string_attribute_add(event, "plugin_instance", vl->plugin_instance);
341 if (vl->type_instance[0] != 0)
342 riemann_event_string_attribute_add(event, "type_instance", vl->type_instance);
344 if ((ds->ds[index].type != DS_TYPE_GAUGE) && (rates != NULL))
346 char ds_type[DATA_MAX_NAME_LEN];
348 ssnprintf(ds_type, sizeof(ds_type), "%s:rate",
349 DS_TYPE_TO_STRING(ds->ds[index].type));
350 riemann_event_string_attribute_add(event, "ds_type", ds_type);
354 riemann_event_string_attribute_add(event, "ds_type",
355 DS_TYPE_TO_STRING(ds->ds[index].type));
359 char ds_index[DATA_MAX_NAME_LEN];
361 ssnprintf(ds_index, sizeof(ds_index), "%zu", index);
362 riemann_event_string_attribute_add(event, "ds_index", ds_index);
365 for (i = 0; i < riemann_attrs_num; i += 2)
366 riemann_event_string_attribute_add(event, riemann_attrs[i], riemann_attrs[i +1]);
368 for (i = 0; i < riemann_tags_num; i++)
369 riemann_event_tag_add(event, riemann_tags[i]);
371 if (ds->ds[index].type == DS_TYPE_GAUGE)
373 riemann_event_set(event,
374 RIEMANN_EVENT_FIELD_METRIC_D,
375 (double) vl->values[index].gauge,
376 RIEMANN_EVENT_FIELD_NONE);
378 else if (rates != NULL)
380 riemann_event_set(event,
381 RIEMANN_EVENT_FIELD_METRIC_D,
382 (double) rates[index],
383 RIEMANN_EVENT_FIELD_NONE);
389 if (ds->ds[index].type == DS_TYPE_DERIVE)
390 metric = (int64_t) vl->values[index].derive;
391 else if (ds->ds[index].type == DS_TYPE_ABSOLUTE)
392 metric = (int64_t) vl->values[index].absolute;
394 metric = (int64_t) vl->values[index].counter;
396 riemann_event_set(event,
397 RIEMANN_EVENT_FIELD_METRIC_S64,
399 RIEMANN_EVENT_FIELD_NONE);
402 DEBUG("write_riemann plugin: Successfully created message for metric: "
403 "host = \"%s\", service = \"%s\"",
404 event->host, event->service);
406 } /* }}} riemann_event_t *wrr_value_to_event */
408 static riemann_message_t *wrr_value_list_to_message(struct riemann_host const *host, /* {{{ */
409 data_set_t const *ds,
410 value_list_t const *vl,
413 riemann_message_t *msg;
415 gauge_t *rates = NULL;
417 /* Initialize the Msg structure. */
418 msg = riemann_message_new();
421 ERROR ("write_riemann plugin: riemann_message_new failed.");
425 if (host->store_rates)
427 rates = uc_get_rate(ds, vl);
430 ERROR("write_riemann plugin: uc_get_rate failed.");
431 riemann_message_free(msg);
436 for (i = 0; i < vl->values_len; i++)
438 riemann_event_t *event;
440 event = wrr_value_to_event(host, ds, vl,
441 (int) i, rates, statuses[i]);
444 riemann_message_free(msg);
448 riemann_message_append_events(msg, event, NULL);
453 } /* }}} riemann_message_t *wrr_value_list_to_message */
456 * Always call while holding host->lock !
458 static int wrr_batch_flush_nolock(cdtime_t timeout,
459 struct riemann_host *host)
466 if ((host->batch_init + timeout) > now) {
470 wrr_send_nolock(host, host->batch_msg);
471 riemann_message_free(host->batch_msg);
473 host->batch_init = now;
474 host->batch_msg = NULL;
478 static int wrr_batch_flush(cdtime_t timeout,
479 const char *identifier __attribute__((unused)),
480 user_data_t *user_data)
482 struct riemann_host *host;
485 if (user_data == NULL)
488 host = user_data->data;
489 pthread_mutex_lock(&host->lock);
490 status = wrr_batch_flush_nolock(timeout, host);
492 c_complain (LOG_ERR, &host->init_complaint,
493 "write_riemann plugin: riemann_client_send failed with status %i",
496 c_release (LOG_DEBUG, &host->init_complaint, "write_riemann plugin: batch sent.");
498 pthread_mutex_unlock(&host->lock);
502 static int wrr_batch_add_value_list(struct riemann_host *host, /* {{{ */
503 data_set_t const *ds,
504 value_list_t const *vl,
507 riemann_message_t *msg;
512 msg = wrr_value_list_to_message(host, ds, vl, statuses);
516 pthread_mutex_lock(&host->lock);
518 if (host->batch_msg == NULL) {
519 host->batch_msg = msg;
523 status = riemann_message_append_events_n(host->batch_msg,
529 riemann_message_free(msg);
532 pthread_mutex_unlock(&host->lock);
533 ERROR("write_riemann plugin: out of memory");
538 len = riemann_message_get_packed_size(host->batch_msg);
540 if ((host->batch_max < 0) || (((size_t) host->batch_max) <= len)) {
541 ret = wrr_batch_flush_nolock(0, host);
543 if (host->batch_timeout > 0) {
544 timeout = TIME_T_TO_CDTIME_T((time_t)host->batch_timeout);
545 ret = wrr_batch_flush_nolock(timeout, host);
549 pthread_mutex_unlock(&host->lock);
551 } /* }}} riemann_message_t *wrr_batch_add_value_list */
553 static int wrr_notification(const notification_t *n, user_data_t *ud) /* {{{ */
556 struct riemann_host *host = ud->data;
557 riemann_message_t *msg;
559 if (!host->notifications)
563 * Never batch for notifications, send them ASAP
565 msg = wrr_notification_to_message(host, n);
569 status = wrr_send(host, msg);
571 c_complain (LOG_ERR, &host->init_complaint,
572 "write_riemann plugin: riemann_client_send failed with status %i",
575 c_release (LOG_DEBUG, &host->init_complaint,
576 "write_riemann plugin: riemann_client_send succeeded");
578 riemann_message_free(msg);
580 } /* }}} int wrr_notification */
582 static int wrr_write(const data_set_t *ds, /* {{{ */
583 const value_list_t *vl,
587 int statuses[vl->values_len];
588 struct riemann_host *host = ud->data;
589 riemann_message_t *msg;
591 if (host->check_thresholds) {
592 status = write_riemann_threshold_check(ds, vl, statuses);
596 memset (statuses, 0, sizeof (statuses));
599 if (host->client_type != RIEMANN_CLIENT_UDP && host->batch_mode) {
600 wrr_batch_add_value_list(host, ds, vl, statuses);
602 msg = wrr_value_list_to_message(host, ds, vl, statuses);
606 status = wrr_send(host, msg);
608 riemann_message_free(msg);
611 } /* }}} int wrr_write */
613 static void wrr_free(void *p) /* {{{ */
615 struct riemann_host *host = p;
620 pthread_mutex_lock(&host->lock);
622 host->reference_count--;
623 if (host->reference_count > 0)
625 pthread_mutex_unlock(&host->lock);
629 wrr_disconnect(host);
631 pthread_mutex_destroy(&host->lock);
633 } /* }}} void wrr_free */
635 static int wrr_config_node(oconfig_item_t *ci) /* {{{ */
637 struct riemann_host *host = NULL;
640 oconfig_item_t *child;
641 char callback_name[DATA_MAX_NAME_LEN];
644 if ((host = calloc(1, sizeof(*host))) == NULL) {
645 ERROR ("write_riemann plugin: calloc failed.");
648 pthread_mutex_init(&host->lock, NULL);
649 C_COMPLAIN_INIT (&host->init_complaint);
650 host->reference_count = 1;
653 host->notifications = 1;
654 host->check_thresholds = 0;
655 host->store_rates = 1;
656 host->always_append_ds = 0;
657 host->batch_mode = 1;
658 host->batch_max = RIEMANN_BATCH_MAX; /* typical MSS */
659 host->batch_init = cdtime();
660 host->batch_timeout = 0;
661 host->ttl_factor = RIEMANN_TTL_FACTOR;
663 host->client_type = RIEMANN_CLIENT_TCP;
664 host->timeout.tv_sec = 0;
665 host->timeout.tv_usec = 0;
667 status = cf_util_get_string(ci, &host->name);
669 WARNING("write_riemann plugin: Required host name is missing.");
674 for (i = 0; i < ci->children_num; i++) {
676 * The code here could be simplified but makes room
677 * for easy adding of new options later on.
679 child = &ci->children[i];
682 if (strcasecmp("Host", child->key) == 0) {
683 status = cf_util_get_string(child, &host->node);
686 } else if (strcasecmp("Notifications", child->key) == 0) {
687 status = cf_util_get_boolean(child, &host->notifications);
690 } else if (strcasecmp("EventServicePrefix", child->key) == 0) {
691 status = cf_util_get_string(child, &host->event_service_prefix);
694 } else if (strcasecmp("CheckThresholds", child->key) == 0) {
695 status = cf_util_get_boolean(child, &host->check_thresholds);
698 } else if (strcasecmp("Batch", child->key) == 0) {
699 status = cf_util_get_boolean(child, &host->batch_mode);
702 } else if (strcasecmp("BatchMaxSize", child->key) == 0) {
703 status = cf_util_get_int(child, &host->batch_max);
706 } else if (strcasecmp("BatchFlushTimeout", child->key) == 0) {
707 status = cf_util_get_int(child, &host->batch_timeout);
710 } else if (strcasecmp("Timeout", child->key) == 0) {
711 status = cf_util_get_int(child, (int *)&host->timeout.tv_sec);
714 } else if (strcasecmp("Port", child->key) == 0) {
715 host->port = cf_util_get_port_number(child);
716 if (host->port == -1) {
717 ERROR("write_riemann plugin: Invalid argument "
718 "configured for the \"Port\" "
722 } else if (strcasecmp("Protocol", child->key) == 0) {
724 status = cf_util_get_string_buffer(child,
728 ERROR("write_riemann plugin: cf_util_get_"
729 "string_buffer failed with "
730 "status %i.", status);
734 if (strcasecmp("UDP", tmp) == 0)
735 host->client_type = RIEMANN_CLIENT_UDP;
736 else if (strcasecmp("TCP", tmp) == 0)
737 host->client_type = RIEMANN_CLIENT_TCP;
738 else if (strcasecmp("TLS", tmp) == 0)
739 host->client_type = RIEMANN_CLIENT_TLS;
741 WARNING("write_riemann plugin: The value "
742 "\"%s\" is not valid for the "
743 "\"Protocol\" option. Use "
744 "either \"UDP\", \"TCP\" or \"TLS\".",
746 } else if (strcasecmp("TLSCAFile", child->key) == 0) {
747 status = cf_util_get_string(child, &host->tls_ca_file);
750 ERROR("write_riemann plugin: cf_util_get_"
751 "string_buffer failed with "
752 "status %i.", status);
755 } else if (strcasecmp("TLSCertFile", child->key) == 0) {
756 status = cf_util_get_string(child, &host->tls_cert_file);
759 ERROR("write_riemann plugin: cf_util_get_"
760 "string_buffer failed with "
761 "status %i.", status);
764 } else if (strcasecmp("TLSKeyFile", child->key) == 0) {
765 status = cf_util_get_string(child, &host->tls_key_file);
768 ERROR("write_riemann plugin: cf_util_get_"
769 "string_buffer failed with "
770 "status %i.", status);
773 } else if (strcasecmp("StoreRates", child->key) == 0) {
774 status = cf_util_get_boolean(child, &host->store_rates);
777 } else if (strcasecmp("AlwaysAppendDS", child->key) == 0) {
778 status = cf_util_get_boolean(child,
779 &host->always_append_ds);
782 } else if (strcasecmp("TTLFactor", child->key) == 0) {
784 status = cf_util_get_double(child, &tmp);
788 host->ttl_factor = tmp;
789 } else if (tmp >= 1.0) {
790 NOTICE("write_riemann plugin: The configured "
791 "TTLFactor is very small "
792 "(%.1f). A value of 2.0 or "
793 "greater is recommended.",
795 host->ttl_factor = tmp;
796 } else if (tmp > 0.0) {
797 WARNING("write_riemann plugin: The configured "
798 "TTLFactor is too small to be "
799 "useful (%.1f). I'll use it "
800 "since the user knows best, "
801 "but under protest.",
803 host->ttl_factor = tmp;
804 } else { /* zero, negative and NAN */
805 ERROR("write_riemann plugin: The configured "
806 "TTLFactor is invalid (%.1f).",
810 WARNING("write_riemann plugin: ignoring unknown config "
811 "option: \"%s\"", child->key);
819 ssnprintf(callback_name, sizeof(callback_name), "write_riemann/%s",
822 ud.free_func = wrr_free;
824 pthread_mutex_lock(&host->lock);
826 status = plugin_register_write(callback_name, wrr_write, &ud);
828 if (host->client_type != RIEMANN_CLIENT_UDP && host->batch_mode) {
830 plugin_register_flush(callback_name, wrr_batch_flush, &ud);
833 WARNING("write_riemann plugin: plugin_register_write (\"%s\") "
834 "failed with status %i.",
835 callback_name, status);
837 host->reference_count++;
839 status = plugin_register_notification(callback_name,
840 wrr_notification, &ud);
842 WARNING("write_riemann plugin: plugin_register_notification (\"%s\") "
843 "failed with status %i.",
844 callback_name, status);
846 host->reference_count++;
848 if (host->reference_count <= 1)
850 /* Both callbacks failed => free memory.
851 * We need to unlock here, because riemann_free() will lock.
852 * This is not a race condition, because we're the only one
853 * holding a reference. */
854 pthread_mutex_unlock(&host->lock);
859 host->reference_count--;
860 pthread_mutex_unlock(&host->lock);
863 } /* }}} int wrr_config_node */
865 static int wrr_config(oconfig_item_t *ci) /* {{{ */
868 oconfig_item_t *child;
871 for (i = 0; i < ci->children_num; i++) {
872 child = &ci->children[i];
874 if (strcasecmp("Node", child->key) == 0) {
875 wrr_config_node (child);
876 } else if (strcasecmp(child->key, "attribute") == 0) {
880 if (child->values_num != 2) {
881 WARNING("riemann attributes need both a key and a value.");
884 if (child->values[0].type != OCONFIG_TYPE_STRING ||
885 child->values[1].type != OCONFIG_TYPE_STRING) {
886 WARNING("riemann attribute needs string arguments.");
889 if ((key = strdup(child->values[0].value.string)) == NULL) {
890 WARNING("cannot allocate memory for attribute key.");
893 if ((val = strdup(child->values[1].value.string)) == NULL) {
894 WARNING("cannot allocate memory for attribute value.");
898 strarray_add(&riemann_attrs, &riemann_attrs_num, key);
899 strarray_add(&riemann_attrs, &riemann_attrs_num, val);
900 DEBUG("write_riemann: got attr: %s => %s", key, val);
903 } else if (strcasecmp(child->key, "tag") == 0) {
905 status = cf_util_get_string(child, &tmp);
909 strarray_add(&riemann_tags, &riemann_tags_num, tmp);
910 DEBUG("write_riemann plugin: Got tag: %s", tmp);
913 WARNING("write_riemann plugin: Ignoring unknown "
914 "configuration option \"%s\" at top level.",
919 } /* }}} int wrr_config */
921 void module_register(void)
923 plugin_register_complex_config("write_riemann", wrr_config);
926 /* vim: set sw=8 sts=8 ts=8 noet : */