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Diffstat (limited to '')
| -rw-r--r-- | backends/opentsdb/README.md | 26 | ||||
| -rw-r--r-- | backends/opentsdb/opentsdb.c | 115 | ||||
| -rw-r--r-- | backends/opentsdb/opentsdb.h | 23 |
3 files changed, 164 insertions, 0 deletions
diff --git a/backends/opentsdb/README.md b/backends/opentsdb/README.md new file mode 100644 index 000000000..3d57e2e1a --- /dev/null +++ b/backends/opentsdb/README.md @@ -0,0 +1,26 @@ +# OpenTSDB with HTTP + +Since version 1.16 the Netdata has the feature to communicate with OpenTSDB using HTTP API. To enable this channel +it is necessary to set the following options in your netdata.conf + +``` +[backend] + type = opentsdb:http + destination = localhost:4242 +``` + +, in this example we are considering that OpenTSDB is running with its default port (4242). + +## HTTPS + +Netdata also supports sending the metrics using SSL/TLS, but OpenTDSB does not have support to safety connections, +so it will be necessary to configure a reverse-proxy to enable the HTTPS communication. After to configure your proxy the +following changes must be done in the netdata.conf: + +``` +[backend] + type = opentsdb:https + destination = localhost:8082 +``` + +In this example we used the port 8082 for our reverse proxy. diff --git a/backends/opentsdb/opentsdb.c b/backends/opentsdb/opentsdb.c index 6e3a31ab6..6ee559dbf 100644 --- a/backends/opentsdb/opentsdb.c +++ b/backends/opentsdb/opentsdb.c @@ -80,6 +80,7 @@ int format_dimension_stored_opentsdb_telnet( return 1; } + return 0; } @@ -87,4 +88,118 @@ int process_opentsdb_response(BUFFER *b) { return discard_response(b, "opentsdb"); } +static inline void opentsdb_build_message(BUFFER *b, char *message, const char *hostname, int length) { + buffer_sprintf( + b + , "POST /api/put HTTP/1.1\r\n" + "Host: %s\r\n" + "Content-Type: application/json\r\n" + "Content-Length: %d\r\n" + "\r\n" + "%s" + , hostname + , length + , message + ); +} + +int format_dimension_collected_opentsdb_http( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +) { + (void)host; + (void)after; + (void)before; + + char message[1024]; + char chart_name[RRD_ID_LENGTH_MAX + 1]; + char dimension_name[RRD_ID_LENGTH_MAX + 1]; + backend_name_copy(chart_name, (backend_options & BACKEND_OPTION_SEND_NAMES && st->name)?st->name:st->id, RRD_ID_LENGTH_MAX); + backend_name_copy(dimension_name, (backend_options & BACKEND_OPTION_SEND_NAMES && rd->name)?rd->name:rd->id, RRD_ID_LENGTH_MAX); + + int length = snprintfz(message + , sizeof(message) + , "{" + " \"metric\": \"%s.%s.%s\"," + " \"timestamp\": %llu," + " \"value\": "COLLECTED_NUMBER_FORMAT "," + " \"tags\": {" + " \"host\": \"%s%s%s\"" + " }" + "}" + , prefix + , chart_name + , dimension_name + , (unsigned long long)rd->last_collected_time.tv_sec + , rd->last_collected_value + , hostname + , (host->tags)?" ":"" + , (host->tags)?host->tags:"" + ); + + if(length > 0) { + opentsdb_build_message(b, message, hostname, length); + } + + return 1; +} +int format_dimension_stored_opentsdb_http( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +) { + (void)host; + + time_t first_t = after, last_t = before; + calculated_number value = backend_calculate_value_from_stored_data(st, rd, after, before, backend_options, &first_t, &last_t); + + if(!isnan(value)) { + char chart_name[RRD_ID_LENGTH_MAX + 1]; + char dimension_name[RRD_ID_LENGTH_MAX + 1]; + backend_name_copy(chart_name, (backend_options & BACKEND_OPTION_SEND_NAMES && st->name)?st->name:st->id, RRD_ID_LENGTH_MAX); + backend_name_copy(dimension_name, (backend_options & BACKEND_OPTION_SEND_NAMES && rd->name)?rd->name:rd->id, RRD_ID_LENGTH_MAX); + + char message[1024]; + int length = snprintfz(message + , sizeof(message) + , "{" + " \"metric\": \"%s.%s.%s\"," + " \"timestamp\": %llu," + " \"value\": "CALCULATED_NUMBER_FORMAT "," + " \"tags\": {" + " \"host\": \"%s%s%s\"" + " }" + "}" + , prefix + , chart_name + , dimension_name + , (unsigned long long)last_t + , value + , hostname + , (host->tags)?" ":"" + , (host->tags)?host->tags:"" + ); + + if(length > 0) { + opentsdb_build_message(b, message, hostname, length); + } + + return 1; + } + + return 0; +} diff --git a/backends/opentsdb/opentsdb.h b/backends/opentsdb/opentsdb.h index fc83b39ca..b9372d914 100644 --- a/backends/opentsdb/opentsdb.h +++ b/backends/opentsdb/opentsdb.h @@ -31,5 +31,28 @@ extern int format_dimension_stored_opentsdb_telnet( extern int process_opentsdb_response(BUFFER *b); +int format_dimension_collected_opentsdb_http( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +); + +int format_dimension_stored_opentsdb_http( + BUFFER *b // the buffer to write data to + , const char *prefix // the prefix to use + , RRDHOST *host // the host this chart comes from + , const char *hostname // the hostname (to override host->hostname) + , RRDSET *st // the chart + , RRDDIM *rd // the dimension + , time_t after // the start timestamp + , time_t before // the end timestamp + , BACKEND_OPTIONS backend_options // BACKEND_SOURCE_* bitmap +); #endif //NETDATA_BACKEND_OPENTSDB_H |