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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-07-08 20:14:42 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-07-08 20:14:42 +0000
commit4f88e1a9be89a257fd6ed3045703db6e900027ee (patch)
tree518eb3c3aa1dce9ea281d02e0fd3cc01a9e7913f /backends/backends.c
parentAdding upstream version 1.15.0. (diff)
downloadnetdata-4f88e1a9be89a257fd6ed3045703db6e900027ee.tar.xz
netdata-4f88e1a9be89a257fd6ed3045703db6e900027ee.zip
Adding upstream version 1.16.0.upstream/1.16.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--backends/backends.c522
1 files changed, 431 insertions, 91 deletions
diff --git a/backends/backends.c b/backends/backends.c
index 0e7918916..15a0cb41b 100644
--- a/backends/backends.c
+++ b/backends/backends.c
@@ -246,6 +246,194 @@ static void backends_main_cleanup(void *ptr) {
static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
}
+/**
+ * Set Kinesis variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_kinesis_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ (void)default_port;
+#ifndef HAVE_KINESIS
+ (void)brc;
+ (void)brf;
+#endif
+
+#if HAVE_KINESIS
+ *brc = process_json_response;
+ if (BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
+ *brf = format_dimension_collected_json_plaintext;
+ else
+ *brf = format_dimension_stored_json_plaintext;
+#endif
+}
+
+/**
+ * Set Prometheus variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_prometheus_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ (void)default_port;
+ (void)brf;
+#ifndef ENABLE_PROMETHEUS_REMOTE_WRITE
+ (void)brc;
+#endif
+
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ *brc = process_prometheus_remote_write_response;
+#endif /* ENABLE_PROMETHEUS_REMOTE_WRITE */
+}
+
+/**
+ * Set JSON variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_json_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ *default_port = 5448;
+ *brc = process_json_response;
+
+ if (BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
+ *brf = format_dimension_collected_json_plaintext;
+ else
+ *brf = format_dimension_stored_json_plaintext;
+}
+
+/**
+ * Set OpenTSDB HTTP variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_opentsdb_http_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ *default_port = 4242;
+ *brc = process_opentsdb_response;
+
+ if(BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
+ *brf = format_dimension_collected_opentsdb_http;
+ else
+ *brf = format_dimension_stored_opentsdb_http;
+
+}
+
+/**
+ * Set OpenTSDB Telnet variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_opentsdb_telnet_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ *default_port = 4242;
+ *brc = process_opentsdb_response;
+
+ if(BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
+ *brf = format_dimension_collected_opentsdb_telnet;
+ else
+ *brf = format_dimension_stored_opentsdb_telnet;
+}
+
+/**
+ * Set Graphite variables
+ *
+ * Set the variables necessaries to work with this specific backend.
+ *
+ * @param default_port the default port of the backend
+ * @param brc function called to check the result.
+ * @param brf function called to format the msessage to the backend
+ * @param type the backend string selector.
+ */
+void backend_set_graphite_variables(int *default_port,
+ backend_response_checker_t brc,
+ backend_request_formatter_t brf)
+{
+ *default_port = 2003;
+ *brc = process_graphite_response;
+
+ if(BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
+ *brf = format_dimension_collected_graphite_plaintext;
+ else
+ *brf = format_dimension_stored_graphite_plaintext;
+}
+
+/**
+ * Select Type
+ *
+ * Select the backedn type based in the user input
+ *
+ * @param type is the string that defines the backend type
+ *
+ * @return It returns the backend id.
+ */
+BACKEND_TYPE backend_select_type(const char *type) {
+ if(!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
+ return BACKEND_TYPE_GRAPHITE;
+ }
+ else if(!strcmp(type, "opentsdb") || !strcmp(type, "opentsdb:telnet")) {
+ return BACKEND_TYPE_OPENTSDB_USING_TELNET;
+ }
+ else if(!strcmp(type, "opentsdb:http") || !strcmp(type, "opentsdb:https")) {
+ return BACKEND_TYPE_OPENTSDB_USING_HTTP;
+ }
+ else if (!strcmp(type, "json") || !strcmp(type, "json:plaintext")) {
+ return BACKEND_TYPE_JSON;
+ }
+ else if (!strcmp(type, "prometheus_remote_write")) {
+ return BACKEND_TYPE_PROMETEUS;
+ }
+ else if (!strcmp(type, "kinesis") || !strcmp(type, "kinesis:plaintext")) {
+ return BACKEND_TYPE_KINESIS;
+ }
+
+ return BACKEND_TYPE_UNKNOWN;
+}
+
+/**
+ * Backend main
+ *
+ * The main thread used to control the backedns.
+ *
+ * @param ptr a pointer to netdata_static_structure.
+ *
+ * @return It always return NULL.
+ */
void *backends_main(void *ptr) {
netdata_thread_cleanup_push(backends_main_cleanup, ptr);
@@ -260,6 +448,15 @@ void *backends_main(void *ptr) {
char *kinesis_auth_key_id = NULL, *kinesis_secure_key = NULL, *kinesis_stream_name = NULL;
#endif
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ int do_prometheus_remote_write = 0;
+ BUFFER *http_request_header = buffer_create(1);
+#endif
+
+#ifdef ENABLE_HTTPS
+ struct netdata_ssl opentsdb_ssl = {NULL , NETDATA_SSL_START};
+#endif
+
// ------------------------------------------------------------------------
// collect configuration options
@@ -285,6 +482,10 @@ void *backends_main(void *ptr) {
charts_pattern = simple_pattern_create(config_get(CONFIG_SECTION_BACKEND, "send charts matching", "*"), NULL, SIMPLE_PATTERN_EXACT);
hosts_pattern = simple_pattern_create(config_get(CONFIG_SECTION_BACKEND, "send hosts matching", "localhost *"), NULL, SIMPLE_PATTERN_EXACT);
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ const char *remote_write_path = config_get(CONFIG_SECTION_BACKEND, "remote write URL path", "/receive");
+#endif
+
// ------------------------------------------------------------------------
// validate configuration options
// and prepare for sending data to our backend
@@ -303,90 +504,95 @@ void *backends_main(void *ptr) {
// ------------------------------------------------------------------------
// select the backend type
-
- if(!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
-
- default_port = 2003;
- backend_response_checker = process_graphite_response;
-
- if(BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
- backend_request_formatter = format_dimension_collected_graphite_plaintext;
- else
- backend_request_formatter = format_dimension_stored_graphite_plaintext;
-
- }
- else if(!strcmp(type, "opentsdb") || !strcmp(type, "opentsdb:telnet")) {
-
- default_port = 4242;
- backend_response_checker = process_opentsdb_response;
-
- if(BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
- backend_request_formatter = format_dimension_collected_opentsdb_telnet;
- else
- backend_request_formatter = format_dimension_stored_opentsdb_telnet;
-
+ BACKEND_TYPE work_type = backend_select_type(type);
+ if (work_type == BACKEND_TYPE_UNKNOWN) {
+ error("BACKEND: Unknown backend type '%s'", type);
+ goto cleanup;
}
- else if (!strcmp(type, "json") || !strcmp(type, "json:plaintext")) {
- default_port = 5448;
- backend_response_checker = process_json_response;
-
- if (BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
- backend_request_formatter = format_dimension_collected_json_plaintext;
- else
- backend_request_formatter = format_dimension_stored_json_plaintext;
+ switch (work_type) {
+ case BACKEND_TYPE_OPENTSDB_USING_HTTP: {
+#ifdef ENABLE_HTTPS
+ if (!strcmp(type, "opentsdb:https")) {
+ security_start_ssl(NETDATA_SSL_CONTEXT_OPENTSDB);
+ }
+#endif
+ backend_set_opentsdb_http_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_PROMETEUS: {
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ do_prometheus_remote_write = 1;
- }
+ init_write_request();
+#else
+ error("BACKEND: Prometheus remote write support isn't compiled");
+#endif // ENABLE_PROMETHEUS_REMOTE_WRITE
+ backend_set_prometheus_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_KINESIS: {
#if HAVE_KINESIS
- else if (!strcmp(type, "kinesis") || !strcmp(type, "kinesis:plaintext")) {
+ do_kinesis = 1;
- do_kinesis = 1;
+ if(unlikely(read_kinesis_conf(netdata_configured_user_config_dir, &kinesis_auth_key_id, &kinesis_secure_key, &kinesis_stream_name))) {
+ error("BACKEND: kinesis backend type is set but cannot read its configuration from %s/aws_kinesis.conf", netdata_configured_user_config_dir);
+ goto cleanup;
+ }
- if(unlikely(read_kinesis_conf(netdata_configured_user_config_dir, &kinesis_auth_key_id, &kinesis_secure_key, &kinesis_stream_name))) {
- error("BACKEND: kinesis backend type is set but cannot read its configuration from %s/aws_kinesis.conf", netdata_configured_user_config_dir);
- goto cleanup;
+ kinesis_init(destination, kinesis_auth_key_id, kinesis_secure_key, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
+#else
+ error("BACKEND: AWS Kinesis support isn't compiled");
+#endif // HAVE_KINESIS
+ backend_set_kinesis_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_GRAPHITE: {
+ backend_set_graphite_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_OPENTSDB_USING_TELNET: {
+ backend_set_opentsdb_telnet_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_JSON: {
+ backend_set_json_variables(&default_port,&backend_response_checker,&backend_request_formatter);
+ break;
+ }
+ case BACKEND_TYPE_UNKNOWN: {
+ break;
}
-
- kinesis_init(destination, kinesis_auth_key_id, kinesis_secure_key, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
-
- backend_response_checker = process_json_response;
- if (BACKEND_OPTIONS_DATA_SOURCE(global_backend_options) == BACKEND_SOURCE_DATA_AS_COLLECTED)
- backend_request_formatter = format_dimension_collected_json_plaintext;
- else
- backend_request_formatter = format_dimension_stored_json_plaintext;
-
- }
-#endif /* HAVE_KINESIS */
- else {
- error("BACKEND: Unknown backend type '%s'", type);
- goto cleanup;
}
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ if((backend_request_formatter == NULL && !do_prometheus_remote_write) || backend_response_checker == NULL) {
+#else
if(backend_request_formatter == NULL || backend_response_checker == NULL) {
+#endif
error("BACKEND: backend is misconfigured - disabling it.");
goto cleanup;
}
- // ------------------------------------------------------------------------
- // prepare the charts for monitoring the backend operation
+// ------------------------------------------------------------------------
+// prepare the charts for monitoring the backend operation
struct rusage thread;
collected_number
- chart_buffered_metrics = 0,
- chart_lost_metrics = 0,
- chart_sent_metrics = 0,
- chart_buffered_bytes = 0,
- chart_received_bytes = 0,
- chart_sent_bytes = 0,
- chart_receptions = 0,
- chart_transmission_successes = 0,
- chart_transmission_failures = 0,
- chart_data_lost_events = 0,
- chart_lost_bytes = 0,
- chart_backend_reconnects = 0;
- // chart_backend_latency = 0;
+ chart_buffered_metrics = 0,
+ chart_lost_metrics = 0,
+ chart_sent_metrics = 0,
+ chart_buffered_bytes = 0,
+ chart_received_bytes = 0,
+ chart_sent_bytes = 0,
+ chart_receptions = 0,
+ chart_transmission_successes = 0,
+ chart_transmission_failures = 0,
+ chart_data_lost_events = 0,
+ chart_lost_bytes = 0,
+ chart_backend_reconnects = 0;
+ // chart_backend_latency = 0;
RRDSET *chart_metrics = rrdset_create_localhost("netdata", "backend_metrics", NULL, "backend", NULL, "Netdata Buffered Metrics", "metrics", "backends", NULL, 130600, global_backend_update_every, RRDSET_TYPE_LINE);
rrddim_add(chart_metrics, "buffered", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
@@ -407,12 +613,12 @@ void *backends_main(void *ptr) {
rrddim_add(chart_ops, "read", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
/*
- * this is misleading - we can only measure the time we need to send data
- * this time is not related to the time required for the data to travel to
- * the backend database and the time that server needed to process them
- *
- * issue #1432 and https://www.softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/unix-socket-faq-2.html
- *
+ * this is misleading - we can only measure the time we need to send data
+ * this time is not related to the time required for the data to travel to
+ * the backend database and the time that server needed to process them
+ *
+ * issue #1432 and https://www.softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/unix-socket-faq-2.html
+ *
RRDSET *chart_latency = rrdset_create_localhost("netdata", "backend_latency", NULL, "backend", NULL, "Netdata Backend Latency", "ms", "backends", NULL, 130620, global_backend_update_every, RRDSET_TYPE_AREA);
rrddim_add(chart_latency, "latency", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
*/
@@ -451,6 +657,9 @@ void *backends_main(void *ptr) {
size_t count_charts_total = 0;
size_t count_dims_total = 0;
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ clear_write_request();
+#endif
rrd_rdlock();
RRDHOST *host;
rrdhost_foreach_read(host) {
@@ -478,26 +687,45 @@ void *backends_main(void *ptr) {
const char *__hostname = (host == localhost)?hostname:host->hostname;
- RRDSET *st;
- rrdset_foreach_read(st, host) {
- if(likely(backends_can_send_rrdset(global_backend_options, st))) {
- rrdset_rdlock(st);
-
- count_charts++;
-
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) {
- if (likely(rd->last_collected_time.tv_sec >= after)) {
- chart_buffered_metrics += backend_request_formatter(b, global_backend_prefix, host, __hostname, st, rd, after, before, global_backend_options);
- count_dims++;
- }
- else {
- debug(D_BACKEND, "BACKEND: not sending dimension '%s' of chart '%s' from host '%s', its last data collection (%lu) is not within our timeframe (%lu to %lu)", rd->id, st->id, __hostname, (unsigned long)rd->last_collected_time.tv_sec, (unsigned long)after, (unsigned long)before);
- count_dims_skipped++;
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ if(do_prometheus_remote_write) {
+ rrd_stats_remote_write_allmetrics_prometheus(
+ host
+ , __hostname
+ , global_backend_prefix
+ , global_backend_options
+ , after
+ , before
+ , &count_charts
+ , &count_dims
+ , &count_dims_skipped
+ );
+ chart_buffered_metrics += count_dims;
+ }
+ else
+#endif
+ {
+ RRDSET *st;
+ rrdset_foreach_read(st, host) {
+ if(likely(backends_can_send_rrdset(global_backend_options, st))) {
+ rrdset_rdlock(st);
+
+ count_charts++;
+
+ RRDDIM *rd;
+ rrddim_foreach_read(rd, st) {
+ if (likely(rd->last_collected_time.tv_sec >= after)) {
+ chart_buffered_metrics += backend_request_formatter(b, global_backend_prefix, host, __hostname, st, rd, after, before, global_backend_options);
+ count_dims++;
+ }
+ else {
+ debug(D_BACKEND, "BACKEND: not sending dimension '%s' of chart '%s' from host '%s', its last data collection (%lu) is not within our timeframe (%lu to %lu)", rd->id, st->id, __hostname, (unsigned long)rd->last_collected_time.tv_sec, (unsigned long)after, (unsigned long)before);
+ count_dims_skipped++;
+ }
}
- }
- rrdset_unlock(st);
+ rrdset_unlock(st);
+ }
}
}
@@ -621,7 +849,16 @@ void *backends_main(void *ptr) {
while(sock != -1 && errno != EWOULDBLOCK) {
buffer_need_bytes(response, 4096);
- ssize_t r = recv(sock, &response->buffer[response->len], response->size - response->len, MSG_DONTWAIT);
+ ssize_t r;
+#ifdef ENABLE_HTTPS
+ if(opentsdb_ssl.conn && !opentsdb_ssl.flags) {
+ r = SSL_read(opentsdb_ssl.conn, &response->buffer[response->len], response->size - response->len);
+ } else {
+ r = recv(sock, &response->buffer[response->len], response->size - response->len, MSG_DONTWAIT);
+ }
+#else
+ r = recv(sock, &response->buffer[response->len], response->size - response->len, MSG_DONTWAIT);
+#endif
if(likely(r > 0)) {
// we received some data
response->len += r;
@@ -654,7 +891,37 @@ void *backends_main(void *ptr) {
size_t reconnects = 0;
sock = connect_to_one_of(destination, default_port, &timeout, &reconnects, NULL, 0);
+#ifdef ENABLE_HTTPS
+ if(sock != -1) {
+ if(netdata_opentsdb_ctx) {
+ if(!opentsdb_ssl.conn) {
+ opentsdb_ssl.conn = SSL_new(netdata_opentsdb_ctx);
+ if(!opentsdb_ssl.conn) {
+ error("Failed to allocate SSL structure %d.", sock);
+ opentsdb_ssl.flags = NETDATA_SSL_NO_HANDSHAKE;
+ }
+ } else {
+ SSL_clear(opentsdb_ssl.conn);
+ }
+ }
+ if(opentsdb_ssl.conn) {
+ if(SSL_set_fd(opentsdb_ssl.conn, sock) != 1) {
+ error("Failed to set the socket to the SSL on socket fd %d.", host->rrdpush_sender_socket);
+ opentsdb_ssl.flags = NETDATA_SSL_NO_HANDSHAKE;
+ } else {
+ opentsdb_ssl.flags = NETDATA_SSL_HANDSHAKE_COMPLETE;
+ SSL_set_connect_state(opentsdb_ssl.conn);
+ int err = SSL_connect(opentsdb_ssl.conn);
+ if (err != 1) {
+ err = SSL_get_error(opentsdb_ssl.conn, err);
+ error("SSL cannot connect with the server: %s ", ERR_error_string((long)SSL_get_error(opentsdb_ssl.conn, err), NULL));
+ opentsdb_ssl.flags = NETDATA_SSL_NO_HANDSHAKE;
+ } //TODO: check certificate here
+ }
+ }
+ }
+#endif
chart_backend_reconnects += reconnects;
// chart_backend_latency += now_monotonic_usec() - start_ut;
}
@@ -672,7 +939,54 @@ void *backends_main(void *ptr) {
flags += MSG_NOSIGNAL;
#endif
- ssize_t written = send(sock, buffer_tostring(b), len, flags);
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ if(do_prometheus_remote_write) {
+ size_t data_size = get_write_request_size();
+
+ if(unlikely(!data_size)) {
+ error("BACKEND: write request size is out of range");
+ continue;
+ }
+
+ buffer_flush(b);
+ buffer_need_bytes(b, data_size);
+ if(unlikely(pack_write_request(b->buffer, &data_size))) {
+ error("BACKEND: cannot pack write request");
+ continue;
+ }
+ b->len = data_size;
+ chart_buffered_bytes = (collected_number)buffer_strlen(b);
+
+ buffer_flush(http_request_header);
+ buffer_sprintf(http_request_header,
+ "POST %s HTTP/1.1\r\n"
+ "Host: %s\r\n"
+ "Accept: */*\r\n"
+ "Content-Length: %zu\r\n"
+ "Content-Type: application/x-www-form-urlencoded\r\n\r\n",
+ remote_write_path,
+ hostname,
+ data_size
+ );
+
+ len = buffer_strlen(http_request_header);
+ send(sock, buffer_tostring(http_request_header), len, flags);
+
+ len = data_size;
+ }
+#endif
+
+ ssize_t written;
+#ifdef ENABLE_HTTPS
+ if(opentsdb_ssl.conn && !opentsdb_ssl.flags) {
+ written = SSL_write(opentsdb_ssl.conn, buffer_tostring(b), len);
+ } else {
+ written = send(sock, buffer_tostring(b), len, flags);
+ }
+#else
+ written = send(sock, buffer_tostring(b), len, flags);
+#endif
+
// chart_backend_latency += now_monotonic_usec() - start_ut;
if(written != -1 && (size_t)written == len) {
// we sent the data successfully
@@ -711,6 +1025,16 @@ void *backends_main(void *ptr) {
}
}
+
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ if(failures) {
+ (void) buffer_on_failures;
+ failures = 0;
+ chart_lost_bytes = chart_buffered_bytes = get_write_request_size(); // estimated write request size
+ chart_data_lost_events++;
+ chart_lost_metrics = chart_buffered_metrics;
+ }
+#else
if(failures > buffer_on_failures) {
// too bad! we are going to lose data
chart_lost_bytes += buffer_strlen(b);
@@ -720,6 +1044,7 @@ void *backends_main(void *ptr) {
chart_data_lost_events++;
chart_lost_metrics = chart_buffered_metrics;
}
+#endif /* ENABLE_PROMETHEUS_REMOTE_WRITE */
if(unlikely(netdata_exit)) break;
@@ -775,12 +1100,27 @@ cleanup:
}
#endif
+#if ENABLE_PROMETHEUS_REMOTE_WRITE
+ if(do_prometheus_remote_write) {
+ buffer_free(http_request_header);
+ protocol_buffers_shutdown();
+ }
+#endif
+
if(sock != -1)
close(sock);
buffer_free(b);
buffer_free(response);
+#ifdef ENABLE_HTTPS
+ if(netdata_opentsdb_ctx) {
+ if(opentsdb_ssl.conn) {
+ SSL_free(opentsdb_ssl.conn);
+ }
+ }
+#endif
+
netdata_thread_cleanup_pop(1);
return NULL;
}