165 lines
9.5 KiB
Go
165 lines
9.5 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"log"
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"net/http"
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"text/template"
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)
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var (
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addr = flag.String("web.listen-address", ":9888", "Address on which to expose metrics and web interface.")
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videoBridgeURL = flag.String("videobridge-url", "http://localhost:8888/stats", "Jitsi Videobridge /stats URL to scrape")
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)
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type videoBridgeStats struct {
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Threads int `json:"threads"`
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BitRateDownload float64 `json:"bit_rate_download"`
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BitRateUpload float64 `json:"bit_rate_upload"`
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PacketRateDownload float64 `json:"packet_rate_download"`
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PacketRateUpload float64 `json:"packet_rate_upload"`
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LossRateDownload float64 `json:"loss_rate_download"`
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LossRateUpload float64 `json:"loss_rate_upload"`
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JitterAggregate float64 `json:"jitter_aggregate"`
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RTTAggregate float64 `json:"rtt_aggregate"`
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LargestConference int `json:"largest_conference"`
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ConferenceSizes []int `json:"conference_sizes"`
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AudioChannels int `json:"audiochannels"`
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VideoChannels int `json:"videochannels"`
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Conferences int `json:"conferences"`
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Participants int `json:"participants"`
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Videostreams int `json:"videostreams"`
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TotalLossControlledParticipantSeconds int `json:"total_loss_controlled_participant_seconds"`
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TotalLossLimitedParticipantSeconds int `json:"total_loss_limited_participant_seconds"`
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TotalLossDegradedParticipantSeconds int `json:"total_loss_degraded_participant_seconds"`
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TotalConferenceSeconds int `json:"total_conference_seconds"`
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TotalConferencesCreated int `json:"total_conferences_created"`
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TotalConferencesCompleted int `json:"total_conferences_completed"`
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TotalFailedConferences int `json:"total_failed_conferences"`
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TotalPartiallyFailedConferences int `json:"total_partially_failed_conferences"`
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TotalDataChannelMessagesReceived int `json:"total_data_channel_messages_received"`
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TotalDataChannelMessagesSent int `json:"total_data_channel_messages_sent"`
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TotalColibriWebSocketMessagesReceived int `json:"total_colibri_web_socket_messages_received"`
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TotalColibriWebSocketMessagesSent int `json:"total_colibri_web_socket_messages_sent"`
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TotalParticipants int `json:"total_participants"`
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}
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var tpl = template.Must(template.New("stats").Parse(`# HELP jitsi_threads The number of Java threads that the video bridge is using.
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# TYPE jitsi_threads gauge
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jitsi_threads {{.Threads}}
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# HELP jitsi_bit_rate_download The total incoming bitrate for the video bridge in kilobits per second.
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# TYPE jitsi_bit_rate_download gauge
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jitsi_bit_rate_download {{.BitRateDownload}}
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# HELP jitsi_bit_rate_upload The total outgoing bitrate for the video bridge in kilobits per second.
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# TYPE jitsi_bit_rate_upload gauge
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jitsi_bit_rate_upload {{.BitRateUpload}}
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# HELP jitsi_packet_rate_download The total incoming packet rate for the video bridge in packets per second.
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# TYPE jitsi_packet_rate_download gauge
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jitsi_packet_rate_download {{.PacketRateDownload}}
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# HELP jitsi_packet_rate_upload The total outgoing packet rate for the video bridge in packets per second.
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# TYPE jitsi_packet_rate_upload gauge
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jitsi_packet_rate_upload {{.PacketRateUpload}}
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# HELP jitsi_loss_rate_download The fraction of lost incoming RTP packets. This is based on RTP sequence numbers and is relatively accurate.
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# TYPE jitsi_loss_rate_download gauge
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jitsi_loss_rate_download {{.LossRateDownload}}
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# HELP jitsi_loss_rate_upload The fraction of lost outgoing RTP packets. This is based on incoming RTCP Receiver Reports, and an attempt to subtract the fraction of packets that were not sent (i.e. were lost before they reached the bridge). Further, this is averaged over all streams of all users as opposed to all packets, so it is not correctly weighted. This is not accurate, but may be a useful metric nonetheless.
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# TYPE jitsi_loss_rate_upload gauge
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jitsi_loss_rate_upload {{.LossRateUpload}}
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# HELP jitsi_jitter_aggregate Experimental. An average value (in milliseconds) of the jitter calculated for incoming and outgoing streams. This hasn't been tested and it is currently not known whether the values are correct or not.
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# TYPE jitsi_jitter_aggregate gauge
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jitsi_jitter_aggregate {{.JitterAggregate}}
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# HELP jitsi_rtt_aggregate An average value (in milliseconds) of the RTT across all streams.
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# TYPE jitsi_rtt_aggregate gauge
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jitsi_rtt_aggregate {{.RTTAggregate}}
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# HELP jitsi_largest_conference The number of participants in the largest conference currently hosted on the bridge.
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# TYPE jitsi_largest_conference gauge
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jitsi_largest_conference {{.LargestConference}}
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# HELP jitsi_audiochannels The current number of audio channels.
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# TYPE jitsi_audiochannels gauge
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jitsi_audiochannels {{.AudioChannels}}
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# HELP jitsi_videochannels The current number of video channels.
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# TYPE jitsi_videochannels gauge
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jitsi_videochannels {{.VideoChannels}}
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# HELP jitsi_conferences The current number of conferences.
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# TYPE jitsi_conferences gauge
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jitsi_conferences {{.Conferences}}
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# HELP jitsi_participants The current number of participants.
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# TYPE jitsi_participants gauge
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jitsi_participants {{.Participants}}
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# HELP jitsi_videostreams An estimation of the number of current video streams forwarded by the bridge.
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# TYPE jitsi_videostreams gauge
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jitsi_videostreams {{.Videostreams}}
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# HELP jitsi_total_loss_controlled_participant_seconds The total number of participant-seconds that are loss-controlled.
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# TYPE jitsi_total_loss_controlled_participant_seconds counter
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jitsi_total_loss_controlled_participant_seconds {{.TotalLossControlledParticipantSeconds}}
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# HELP jitsi_total_loss_limited_participant_seconds The total number of participant-seconds that are loss-limited.
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# TYPE jitsi_total_loss_limited_participant_seconds counter
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jitsi_total_loss_limited_participant_seconds {{.TotalLossLimitedParticipantSeconds}}
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# HELP jitsi_total_loss_degraded_participant_seconds The total number of participant-seconds that are loss-degraded.
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# TYPE jitsi_total_loss_degraded_participant_seconds counter
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jitsi_total_loss_degraded_participant_seconds {{.TotalLossDegradedParticipantSeconds}}
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# HELP jitsi_total_conference_seconds The sum of the lengths of all completed conferences, in seconds.
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# TYPE jitsi_total_conference_seconds counter
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jitsi_total_conference_seconds {{.TotalConferenceSeconds}}
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# HELP jitsi_total_conferences_created The total number of conferences created on the bridge.
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# TYPE jitsi_total_conferences_created counter
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jitsi_total_conferences_created {{.TotalConferencesCreated}}
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# HELP jitsi_total_conferences_completed The total number of conferences completed on the bridge.
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# TYPE jitsi_total_conferences_completed counter
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jitsi_total_conferences_completed {{.TotalConferencesCompleted}}
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# HELP jitsi_total_failed_conferences The total number of failed conferences on the bridge. A conference is marked as failed when all of its channels have failed. A channel is marked as failed if it had no payload activity.
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# TYPE jitsi_total_failed_conferences counter
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jitsi_total_failed_conferences {{.TotalFailedConferences}}
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# HELP jitsi_total_partially_failed_conferences The total number of partially failed conferences on the bridge. A conference is marked as partially failed when some of its channels has failed. A channel is marked as failed if it had no payload activity.
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# TYPE jitsi_total_partially_failed_conferences counter
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jitsi_total_partially_failed_conferences {{.TotalPartiallyFailedConferences}}
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# HELP jitsi_total_data_channel_messages_received The total number messages received through data channels.
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# TYPE jitsi_total_data_channel_messages_received counter
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jitsi_total_data_channel_messages_received {{.TotalDataChannelMessagesReceived}}
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# HELP jitsi_total_data_channel_messages_sent The total number messages sent through data channels.
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# TYPE jitsi_total_data_channel_messages_sent counter
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jitsi_total_data_channel_messages_sent {{.TotalDataChannelMessagesSent}}
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# HELP jitsi_total_colibri_web_socket_messages_received The total number messages received through COLIBRI web sockets.
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# TYPE jitsi_total_colibri_web_socket_messages_received counter
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jitsi_total_colibri_web_socket_messages_received {{.TotalColibriWebSocketMessagesReceived}}
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# HELP jitsi_total_colibri_web_socket_messages_sent The total number messages sent through COLIBRI web sockets.
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# TYPE jitsi_total_colibri_web_socket_messages_sent counter
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jitsi_total_colibri_web_socket_messages_sent {{.TotalColibriWebSocketMessagesSent}}
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`))
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type handler struct {
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sourceURL string
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}
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func (h handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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resp, err := http.Get(h.sourceURL)
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if err != nil {
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log.Printf("scrape error: %v", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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var stats videoBridgeStats
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if err := json.NewDecoder(resp.Body).Decode(&stats); err != nil {
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log.Printf("json decoding error: %v", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "text/plain")
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_ = tpl.Execute(w, &stats)
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}
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func main() {
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log.SetFlags(0)
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flag.Parse()
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http.Handle("/metrics", handler{sourceURL: *videoBridgeURL})
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if err := http.ListenAndServe(*addr, nil); err != nil {
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log.Fatal(err)
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}
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log.Println("Started Jitsi Meet Metrics Exporter")
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}
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