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census.go
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census.go
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package monitor
import (
"context"
"math/big"
"net"
"runtime"
"strconv"
"strings"
"sync"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/golang/glog"
"github.com/livepeer/go-livepeer/clog"
lpnet "github.com/livepeer/go-livepeer/net"
"contrib.go.opencensus.io/exporter/prometheus"
rprom "github.com/prometheus/client_golang/prometheus"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
type (
SegmentUploadError string
SegmentTranscodeError string
)
const (
SegmentUploadErrorUnknown SegmentUploadError = "Unknown"
SegmentUploadErrorGenCreds SegmentUploadError = "GenCreds"
SegmentUploadErrorOS SegmentUploadError = "ObjectStorage"
SegmentUploadErrorSessionEnded SegmentUploadError = "SessionEnded"
SegmentUploadErrorInsufficientBalance SegmentUploadError = "InsufficientBalance"
SegmentUploadErrorTimeout SegmentUploadError = "Timeout"
SegmentUploadErrorDuplicateSegment SegmentUploadError = "DuplicateSegment"
SegmentUploadErrorOrchestratorCapped SegmentUploadError = "OrchestratorCapped"
SegmentTranscodeErrorUnknown SegmentTranscodeError = "Unknown"
SegmentTranscodeErrorUnknownResponse SegmentTranscodeError = "UnknownResponse"
SegmentTranscodeErrorTranscode SegmentTranscodeError = "Transcode"
SegmentTranscodeErrorOrchestratorBusy SegmentTranscodeError = "OrchestratorBusy"
SegmentTranscodeErrorOrchestratorCapped SegmentTranscodeError = "OrchestratorCapped"
SegmentTranscodeErrorParseResponse SegmentTranscodeError = "ParseResponse"
SegmentTranscodeErrorReadBody SegmentTranscodeError = "ReadBody"
SegmentTranscodeErrorNoOrchestrators SegmentTranscodeError = "NoOrchestrators"
SegmentTranscodeErrorDownload SegmentTranscodeError = "Download"
SegmentTranscodeErrorSaveData SegmentTranscodeError = "SaveData"
SegmentTranscodeErrorSessionEnded SegmentTranscodeError = "SessionEnded"
SegmentTranscodeErrorDuplicateSegment SegmentTranscodeError = "DuplicateSegment"
SegmentTranscodeErrorMaxAttempts SegmentTranscodeError = "MaxAttempts"
SegmentTranscodeErrorNonRetryable SegmentTranscodeError = "NonRetryable"
SegmentTranscodeErrorCtxCancelled SegmentTranscodeError = "CtxCancelled"
numberOfSegmentsToCalcAverage = 30
gweiConversionFactor = 1000000000
logLevel = 6 // TODO move log levels definitions to separate package
// importing `common` package here introduces import cycles
)
type NodeType string
const (
Default NodeType = "dflt"
Orchestrator NodeType = "orch"
Broadcaster NodeType = "bctr"
Transcoder NodeType = "trcr"
Redeemer NodeType = "rdmr"
segTypeRegular = "regular"
segTypeRec = "recorded" // segment in the stream for which recording is enabled
)
const (
//mpeg7-sign comparison fail of fast verification
FVType1Error = 1
//video comparison fail of fast verification
FVType2Error = 2
)
// Enabled true if metrics was enabled in command line
var Enabled bool
var PerStreamMetrics bool
// ExposeClientIP if true then Orchestrator exposes Broadcaster's IP address in metrics
var ExposeClientIP bool
var NodeID string
var timeToWaitForError = 8500 * time.Millisecond
var timeoutWatcherPause = 15 * time.Second
type (
censusMetricsCounter struct {
nodeType NodeType
nodeID string
ctx context.Context
kGPU tag.Key
kNodeType tag.Key
kNodeID tag.Key
kProfile tag.Key
kProfiles tag.Key
kErrorCode tag.Key
kTry tag.Key
kSender tag.Key
kRecipient tag.Key
kManifestID tag.Key
kSegmentType tag.Key
kTrusted tag.Key
kVerified tag.Key
kClientIP tag.Key
kOrchestratorURI tag.Key
kOrchestratorAddress tag.Key
kFVErrorType tag.Key
mSegmentSourceAppeared *stats.Int64Measure
mSegmentEmerged *stats.Int64Measure
mSegmentEmergedUnprocessed *stats.Int64Measure
mSegmentUploaded *stats.Int64Measure
mSegmentUploadFailed *stats.Int64Measure
mSegmentDownloaded *stats.Int64Measure
mSegmentTranscoded *stats.Int64Measure
mSegmentTranscodedUnprocessed *stats.Int64Measure
mSegmentTranscodeFailed *stats.Int64Measure
mSegmentTranscodedAllAppeared *stats.Int64Measure
mStreamCreated *stats.Int64Measure
mStreamStarted *stats.Int64Measure
mStreamEnded *stats.Int64Measure
mMaxSessions *stats.Int64Measure
mCurrentSessions *stats.Int64Measure
mDiscoveryError *stats.Int64Measure
mTranscodeRetried *stats.Int64Measure
mTranscodersNumber *stats.Int64Measure
mTranscodersCapacity *stats.Int64Measure
mTranscodersLoad *stats.Int64Measure
mSuccessRate *stats.Float64Measure
mSuccessRatePerStream *stats.Float64Measure
mTranscodeTime *stats.Float64Measure
mTranscodeOverallLatency *stats.Float64Measure
mUploadTime *stats.Float64Measure
mDownloadTime *stats.Float64Measure
mAuthWebhookTime *stats.Float64Measure
mSourceSegmentDuration *stats.Float64Measure
mHTTPClientTimeout1 *stats.Int64Measure
mHTTPClientTimeout2 *stats.Int64Measure
mRealtimeRatio *stats.Float64Measure
mRealtime3x *stats.Int64Measure
mRealtime2x *stats.Int64Measure
mRealtime1x *stats.Int64Measure
mRealtimeHalf *stats.Int64Measure
mRealtimeSlow *stats.Int64Measure
mTranscodeScore *stats.Float64Measure
mRecordingSaveLatency *stats.Float64Measure
mRecordingSaveErrors *stats.Int64Measure
mRecordingSavedSegments *stats.Int64Measure
mOrchestratorSwaps *stats.Int64Measure
// Metrics for sending payments
mTicketValueSent *stats.Float64Measure
mTicketsSent *stats.Int64Measure
mPaymentCreateError *stats.Int64Measure
mDeposit *stats.Float64Measure
mReserve *stats.Float64Measure
// Metrics for receiving payments
mTicketValueRecv *stats.Float64Measure
mTicketsRecv *stats.Int64Measure
mPaymentRecvErr *stats.Int64Measure
mWinningTicketsRecv *stats.Int64Measure
mValueRedeemed *stats.Float64Measure
mTicketRedemptionError *stats.Int64Measure
mSuggestedGasPrice *stats.Float64Measure
mMinGasPrice *stats.Float64Measure
mMaxGasPrice *stats.Float64Measure
mTranscodingPrice *stats.Float64Measure
// Metrics for pixel accounting
mMilPixelsProcessed *stats.Float64Measure
// Metrics for fast verification
mFastVerificationDone *stats.Int64Measure
mFastVerificationFailed *stats.Int64Measure
mFastVerificationEnabledCurrentSessions *stats.Int64Measure
mFastVerificationUsingCurrentSessions *stats.Int64Measure
// Metrics for scene classification
kSegClassName tag.Key
mSegmentClassProb *stats.Float64Measure
mSceneClassification *stats.Int64Measure
lock sync.Mutex
emergeTimes map[uint64]map[uint64]time.Time // nonce:seqNo
success map[uint64]*segmentsAverager
}
segmentCount struct {
seqNo uint64
emergedTime time.Time
emerged int
transcoded int
failed bool
}
tryData struct {
first time.Time
tries int
}
segmentsAverager struct {
manifestID string
segments []segmentCount
start int
end int
removed bool
removedAt time.Time
tries map[uint64]tryData // seqNo:try
}
)
// Exporter Prometheus exporter that handles `/metrics` endpoint
var Exporter *prometheus.Exporter
var census censusMetricsCounter
// used in unit tests
var unitTestMode bool
func InitCensus(nodeType NodeType, version string) {
census = censusMetricsCounter{
emergeTimes: make(map[uint64]map[uint64]time.Time),
nodeID: NodeID,
nodeType: nodeType,
success: make(map[uint64]*segmentsAverager),
}
var err error
ctx := context.Background()
census.kGPU = tag.MustNewKey("gpu")
census.kNodeType = tag.MustNewKey("node_type")
census.kNodeID = tag.MustNewKey("node_id")
census.kProfile = tag.MustNewKey("profile")
census.kProfiles = tag.MustNewKey("profiles")
census.kErrorCode = tag.MustNewKey("error_code")
census.kTry = tag.MustNewKey("try")
census.kSender = tag.MustNewKey("sender")
census.kRecipient = tag.MustNewKey("recipient")
census.kManifestID = tag.MustNewKey("manifest_id")
census.kSegmentType = tag.MustNewKey("seg_type")
census.kTrusted = tag.MustNewKey("trusted")
census.kVerified = tag.MustNewKey("verified")
census.kClientIP = tag.MustNewKey("client_ip")
census.kOrchestratorURI = tag.MustNewKey("orchestrator_uri")
census.kOrchestratorAddress = tag.MustNewKey("orchestrator_address")
census.kFVErrorType = tag.MustNewKey("fverror_type")
census.kSegClassName = tag.MustNewKey("seg_class_name")
census.ctx, err = tag.New(ctx, tag.Insert(census.kNodeType, string(nodeType)), tag.Insert(census.kNodeID, NodeID))
if err != nil {
glog.Fatal("Error creating context", err)
}
census.mHTTPClientTimeout1 = stats.Int64("http_client_timeout_1", "Number of times HTTP connection was dropped before transcoding complete", "tot")
census.mHTTPClientTimeout2 = stats.Int64("http_client_timeout_2", "Number of times HTTP connection was dropped before transcoded segments was sent back to client", "tot")
census.mRealtimeRatio = stats.Float64("http_client_segment_transcoded_realtime_ratio", "Ratio of source segment duration / transcode time as measured on HTTP client", "rat")
census.mRealtime3x = stats.Int64("http_client_segment_transcoded_realtime_3x", "Number of segment transcoded 3x faster than realtime", "tot")
census.mRealtime2x = stats.Int64("http_client_segment_transcoded_realtime_2x", "Number of segment transcoded 2x faster than realtime", "tot")
census.mRealtime1x = stats.Int64("http_client_segment_transcoded_realtime_1x", "Number of segment transcoded 1x faster than realtime", "tot")
census.mRealtimeHalf = stats.Int64("http_client_segment_transcoded_realtime_half", "Number of segment transcoded no more than two times slower than realtime", "tot")
census.mRealtimeSlow = stats.Int64("http_client_segment_transcoded_realtime_slow", "Number of segment transcoded more than two times slower than realtime", "tot")
census.mSegmentSourceAppeared = stats.Int64("segment_source_appeared_total", "SegmentSourceAppeared", "tot")
census.mSegmentEmerged = stats.Int64("segment_source_emerged_total", "SegmentEmerged", "tot")
census.mSegmentEmergedUnprocessed = stats.Int64("segment_source_emerged_unprocessed_total", "SegmentEmerged, counted by number of transcode profiles", "tot")
census.mSegmentUploaded = stats.Int64("segment_source_uploaded_total", "SegmentUploaded", "tot")
census.mSegmentUploadFailed = stats.Int64("segment_source_upload_failed_total", "SegmentUploadedFailed", "tot")
census.mSegmentDownloaded = stats.Int64("segment_transcoded_downloaded_total", "SegmentDownloaded", "tot")
census.mSegmentTranscoded = stats.Int64("segment_transcoded_total", "SegmentTranscoded", "tot")
census.mSegmentTranscodedUnprocessed = stats.Int64("segment_transcoded_unprocessed_total", "SegmentTranscodedUnprocessed", "tot")
census.mSegmentTranscodeFailed = stats.Int64("segment_transcode_failed_total", "SegmentTranscodeFailed", "tot")
census.mSegmentTranscodedAllAppeared = stats.Int64("segment_transcoded_all_appeared_total", "SegmentTranscodedAllAppeared", "tot")
census.mStreamCreated = stats.Int64("stream_created_total", "StreamCreated", "tot")
census.mStreamStarted = stats.Int64("stream_started_total", "StreamStarted", "tot")
census.mStreamEnded = stats.Int64("stream_ended_total", "StreamEnded", "tot")
census.mMaxSessions = stats.Int64("max_sessions_total", "MaxSessions", "tot")
census.mCurrentSessions = stats.Int64("current_sessions_total", "Number of currently transcoded streams", "tot")
census.mDiscoveryError = stats.Int64("discovery_errors_total", "Number of discover errors", "tot")
census.mTranscodeRetried = stats.Int64("transcode_retried", "Number of times segment transcode was retried", "tot")
census.mTranscodersNumber = stats.Int64("transcoders_number", "Number of transcoders currently connected to orchestrator", "tot")
census.mTranscodersCapacity = stats.Int64("transcoders_capacity", "Total advertised capacity of transcoders currently connected to orchestrator", "tot")
census.mTranscodersLoad = stats.Int64("transcoders_load", "Total load of transcoders currently connected to orchestrator", "tot")
census.mSuccessRate = stats.Float64("success_rate", "Success rate", "per")
census.mSuccessRatePerStream = stats.Float64("success_rate_per_stream", "Success rate, per stream", "per")
census.mTranscodeTime = stats.Float64("transcode_time_seconds", "Transcoding time", "sec")
census.mTranscodeOverallLatency = stats.Float64("transcode_overall_latency_seconds",
"Transcoding latency, from source segment emerged from segmenter till all transcoded segment apeeared in manifest", "sec")
census.mUploadTime = stats.Float64("upload_time_seconds", "Upload (to Orchestrator) time", "sec")
census.mDownloadTime = stats.Float64("download_time_seconds", "Download (from orchestrator) time", "sec")
census.mAuthWebhookTime = stats.Float64("auth_webhook_time_milliseconds", "Authentication webhook execution time", "ms")
census.mSourceSegmentDuration = stats.Float64("source_segment_duration_seconds", "Source segment's duration", "sec")
census.mTranscodeScore = stats.Float64("transcode_score", "Ratio of source segment duration vs. transcode time", "rat")
census.mRecordingSaveLatency = stats.Float64("recording_save_latency",
"How long it takes to save segment to the OS", "sec")
census.mRecordingSaveErrors = stats.Int64("recording_save_errors", "Number of errors during save to the recording OS", "tot")
census.mRecordingSavedSegments = stats.Int64("recording_saved_segments", "Number of segments saved to the recording OS", "tot")
census.mOrchestratorSwaps = stats.Int64("orchestrator_swaps", "Number of orchestrator swaps mid-stream", "tot")
// Metrics for sending payments
census.mTicketValueSent = stats.Float64("ticket_value_sent", "TicketValueSent", "gwei")
census.mTicketsSent = stats.Int64("tickets_sent", "TicketsSent", "tot")
census.mPaymentCreateError = stats.Int64("payment_create_errors", "PaymentCreateError", "tot")
census.mDeposit = stats.Float64("broadcaster_deposit", "Current remaining deposit for the broadcaster node", "gwei")
census.mReserve = stats.Float64("broadcaster_reserve", "Current remaining reserve for the broadcaster node", "gwei")
// Metrics for receiving payments
census.mTicketValueRecv = stats.Float64("ticket_value_recv", "TicketValueRecv", "gwei")
census.mTicketsRecv = stats.Int64("tickets_recv", "TicketsRecv", "tot")
census.mPaymentRecvErr = stats.Int64("payment_recv_errors", "PaymentRecvErr", "tot")
census.mWinningTicketsRecv = stats.Int64("winning_tickets_recv", "WinningTicketsRecv", "tot")
census.mValueRedeemed = stats.Float64("value_redeemed", "ValueRedeemed", "gwei")
census.mTicketRedemptionError = stats.Int64("ticket_redemption_errors", "TicketRedemptionError", "tot")
census.mSuggestedGasPrice = stats.Float64("suggested_gas_price", "SuggestedGasPrice", "gwei")
census.mMinGasPrice = stats.Float64("min_gas_price", "MinGasPrice", "gwei")
census.mMaxGasPrice = stats.Float64("max_gas_price", "MaxGasPrice", "gwei")
census.mTranscodingPrice = stats.Float64("transcoding_price", "TranscodingPrice", "wei")
// Metrics for pixel accounting
census.mMilPixelsProcessed = stats.Float64("mil_pixels_processed", "MilPixelsProcessed", "mil pixels")
// Metrics for fast verification
census.mFastVerificationDone = stats.Int64("fast_verification_done", "FastVerificationDone", "tot")
census.mFastVerificationFailed = stats.Int64("fast_verification_failed", "FastVerificationFailed", "tot")
census.mFastVerificationEnabledCurrentSessions = stats.Int64("fast_verification_enabled_current_sessions_total",
"Number of currently transcoded streams that have fast verification enabled", "tot")
census.mFastVerificationUsingCurrentSessions = stats.Int64("fast_verification_using_current_sessions_total",
"Number of currently transcoded streams that have fast verification enabled and that are using an untrusted orchestrator", "tot")
// Metrics for scene classification
census.mSegmentClassProb = stats.Float64("segment_class_prob", "SegmentClassProb", "tot")
census.mSceneClassification = stats.Int64("scene_classification_done", "SceneClassificationDone", "tot")
glog.Infof("Compiler: %s Arch %s OS %s Go version %s", runtime.Compiler, runtime.GOARCH, runtime.GOOS, runtime.Version())
glog.Infof("Livepeer version: %s", version)
glog.Infof("Node type %s node ID %s", nodeType, NodeID)
mVersions := stats.Int64("versions", "Version information.", "Num")
compiler := tag.MustNewKey("compiler")
goarch := tag.MustNewKey("goarch")
goos := tag.MustNewKey("goos")
goversion := tag.MustNewKey("goversion")
livepeerversion := tag.MustNewKey("livepeerversion")
ctx, err = tag.New(ctx, tag.Insert(census.kNodeType, string(nodeType)), tag.Insert(census.kNodeID, NodeID),
tag.Insert(compiler, runtime.Compiler), tag.Insert(goarch, runtime.GOARCH), tag.Insert(goos, runtime.GOOS),
tag.Insert(goversion, runtime.Version()), tag.Insert(livepeerversion, version))
if err != nil {
glog.Fatal("Error creating tagged context", err)
}
baseTags := []tag.Key{census.kNodeID, census.kNodeType}
baseTagsWithManifestID := baseTags
baseTagsWithEthAddr := baseTags
baseTagsWithManifestIDAndEthAddr := baseTags
baseTagsWithOrchInfo := baseTags
if PerStreamMetrics {
baseTagsWithManifestID = []tag.Key{census.kNodeID, census.kNodeType, census.kManifestID}
baseTagsWithEthAddr = []tag.Key{census.kNodeID, census.kNodeType, census.kSender}
baseTagsWithManifestIDAndEthAddr = []tag.Key{census.kNodeID, census.kNodeType, census.kManifestID, census.kSender}
}
baseTagsWithManifestIDAndIP := baseTagsWithManifestID
if ExposeClientIP {
baseTagsWithManifestIDAndIP = append([]tag.Key{census.kClientIP}, baseTagsWithManifestID...)
}
baseTagsWithManifestIDAndOrchInfo := baseTagsWithManifestID
baseTagsWithOrchInfo = append([]tag.Key{census.kOrchestratorURI, census.kOrchestratorAddress}, baseTags...)
baseTagsWithManifestIDAndOrchInfo = append([]tag.Key{census.kOrchestratorURI, census.kOrchestratorAddress}, baseTagsWithManifestID...)
views := []*view.View{
{
Name: "versions",
Measure: mVersions,
Description: "Versions used by LivePeer node.",
TagKeys: []tag.Key{census.kNodeType, compiler, goos, goversion, livepeerversion},
Aggregation: view.LastValue(),
},
{
Name: "stream_created_total",
Measure: census.mStreamCreated,
Description: "StreamCreated",
TagKeys: baseTags,
Aggregation: view.Count(),
},
{
Name: "stream_started_total",
Measure: census.mStreamStarted,
Description: "StreamStarted",
TagKeys: baseTags,
Aggregation: view.Count(),
},
{
Name: "stream_ended_total",
Measure: census.mStreamEnded,
Description: "StreamEnded",
TagKeys: baseTags,
Aggregation: view.Count(),
},
{
Name: "http_client_timeout_1",
Measure: census.mHTTPClientTimeout1,
Description: "Number of times HTTP connection was dropped before transcoding complete",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_timeout_2",
Measure: census.mHTTPClientTimeout2,
Description: "Number of times HTTP connection was dropped before transcoded segments was sent back to client",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_segment_transcoded_realtime_ratio",
Measure: census.mRealtimeRatio,
Description: "Ratio of source segment duration / transcode time as measured on HTTP client",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Distribution(0.5, 1, 2, 3, 5, 10, 50, 100),
},
{
Name: "http_client_segment_transcoded_realtime_3x",
Measure: census.mRealtime3x,
Description: "Number of segment transcoded 3x faster than realtime",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_segment_transcoded_realtime_2x",
Measure: census.mRealtime2x,
Description: "Number of segment transcoded 2x faster than realtime",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_segment_transcoded_realtime_1x",
Measure: census.mRealtime1x,
Description: "Number of segment transcoded 1x faster than realtime",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_segment_transcoded_realtime_half",
Measure: census.mRealtimeHalf,
Description: "Number of segment transcoded no more than two times slower than realtime",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "http_client_segment_transcoded_realtime_slow",
Measure: census.mRealtimeSlow,
Description: "Number of segment transcoded more than two times slower than realtime",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "segment_source_appeared_total",
Measure: census.mSegmentSourceAppeared,
Description: "SegmentSourceAppeared",
TagKeys: append([]tag.Key{census.kProfile, census.kSegmentType}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "segment_source_emerged_total",
Measure: census.mSegmentEmerged,
Description: "SegmentEmerged",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Count(),
},
{
Name: "segment_source_emerged_unprocessed_total",
Measure: census.mSegmentEmergedUnprocessed,
Description: "Raw number of segments emerged from segmenter.",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Count(),
},
{
Name: "segment_source_uploaded_total",
Measure: census.mSegmentUploaded,
Description: "SegmentUploaded",
TagKeys: append([]tag.Key{census.kOrchestratorURI}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "segment_source_upload_failed_total",
Measure: census.mSegmentUploadFailed,
Description: "SegmentUploadedFailed",
TagKeys: append([]tag.Key{census.kErrorCode, census.kOrchestratorURI}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "segment_transcoded_downloaded_total",
Measure: census.mSegmentDownloaded,
Description: "SegmentDownloaded",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Count(),
},
{
Name: "segment_transcoded_total",
Measure: census.mSegmentTranscoded,
Description: "SegmentTranscoded",
TagKeys: append([]tag.Key{census.kProfiles, census.kTrusted, census.kVerified}, baseTags...),
Aggregation: view.Count(),
},
{
Name: "segment_transcoded_unprocessed_total",
Measure: census.mSegmentTranscodedUnprocessed,
Description: "Raw number of segments successfully transcoded.",
TagKeys: append([]tag.Key{census.kProfiles}, baseTagsWithManifestIDAndOrchInfo...),
Aggregation: view.Count(),
},
{
Name: "segment_transcode_failed_total",
Measure: census.mSegmentTranscodeFailed,
Description: "SegmentTranscodeFailed",
TagKeys: append([]tag.Key{census.kErrorCode}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "segment_transcoded_all_appeared_total",
Measure: census.mSegmentTranscodedAllAppeared,
Description: "SegmentTranscodedAllAppeared",
TagKeys: append([]tag.Key{census.kProfiles}, baseTagsWithManifestIDAndOrchInfo...),
Aggregation: view.Count(),
},
{
Name: "success_rate",
Measure: census.mSuccessRate,
Description: "Number of transcoded segments divided on number of source segments",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "success_rate_per_stream",
Measure: census.mSuccessRatePerStream,
Description: "Number of transcoded segments divided on number of source segments, per stream",
TagKeys: baseTagsWithManifestID,
Aggregation: view.LastValue(),
},
{
Name: "transcode_time_seconds",
Measure: census.mTranscodeTime,
Description: "TranscodeTime, seconds",
TagKeys: append([]tag.Key{census.kProfiles, census.kTrusted, census.kVerified}, baseTags...),
Aggregation: view.Distribution(0, .250, .500, .750, 1.000, 1.250, 1.500, 2.000, 2.500, 3.000, 3.500, 4.000, 4.500, 5.000, 10.000),
},
{
Name: "transcode_overall_latency_seconds",
Measure: census.mTranscodeOverallLatency,
Description: "Transcoding latency, from source segment emerged from segmenter till all transcoded segment apeeared in manifest",
TagKeys: append([]tag.Key{census.kProfiles}, baseTagsWithOrchInfo...),
Aggregation: view.Distribution(0, .500, .75, 1.000, 1.500, 2.000, 2.500, 3.000, 3.500, 4.000, 4.500, 5.000, 10.000),
},
{
Name: "transcode_score",
Measure: census.mTranscodeScore,
Description: "Ratio of source segment duration vs. transcode time",
TagKeys: append([]tag.Key{census.kProfiles, census.kTrusted, census.kVerified}, baseTags...),
Aggregation: view.Distribution(0, .5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 10, 15, 20, 40),
},
{
Name: "recording_save_latency",
Measure: census.mRecordingSaveLatency,
Description: "How long it takes to save segment to the OS",
TagKeys: baseTags,
Aggregation: view.Distribution(0, .500, .75, 1.000, 1.500, 2.000, 2.500, 3.000, 3.500, 4.000, 4.500, 5.000, 10.000, 30.000),
},
{
Name: "recording_save_errors",
Measure: census.mRecordingSaveErrors,
Description: "Number of errors during save to the recording OS",
TagKeys: baseTags,
Aggregation: view.Count(),
},
{
Name: "recording_saved_segments",
Measure: census.mRecordingSavedSegments,
Description: "Number of segments saved to the recording OS",
TagKeys: baseTags,
Aggregation: view.Count(),
},
{
Name: "upload_time_seconds",
Measure: census.mUploadTime,
Description: "UploadTime, seconds",
TagKeys: append([]tag.Key{census.kOrchestratorURI}, baseTags...),
Aggregation: view.Distribution(0, .10, .20, .50, .100, .150, .200, .500, .1000, .5000, 10.000),
},
{
Name: "download_time_seconds",
Measure: census.mDownloadTime,
Description: "Download time",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Distribution(0, .10, .20, .50, .100, .150, .200, .500, .1000, .5000, 10.000),
},
{
Name: "auth_webhook_time_milliseconds",
Measure: census.mAuthWebhookTime,
Description: "Authentication webhook execution time, milliseconds",
TagKeys: baseTags,
Aggregation: view.Distribution(0, 100, 250, 500, 750, 1000, 1500, 2000, 2500, 3000, 5000, 10000),
},
{
Name: "source_segment_duration_seconds",
Measure: census.mSourceSegmentDuration,
Description: "Source segment's duration",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Distribution(0, .5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 10, 15, 20),
},
{
Name: "max_sessions_total",
Measure: census.mMaxSessions,
Description: "Max Sessions",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "current_sessions_total",
Measure: census.mCurrentSessions,
Description: "Number of streams currently transcoding",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "discovery_errors_total",
Measure: census.mDiscoveryError,
Description: "Number of discover errors",
TagKeys: append([]tag.Key{census.kErrorCode, census.kOrchestratorURI}, baseTags...),
Aggregation: view.Count(),
},
{
Name: "transcode_retried",
Measure: census.mTranscodeRetried,
Description: "Number of times segment transcode was retried",
TagKeys: append([]tag.Key{census.kTry}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "transcoders_number",
Measure: census.mTranscodersNumber,
Description: "Number of transcoders currently connected to orchestrator",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "transcoders_capacity",
Measure: census.mTranscodersCapacity,
Description: "Total advertised capacity of transcoders currently connected to orchestrator",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "transcoders_load",
Measure: census.mTranscodersLoad,
Description: "Total load of transcoders currently connected to orchestrator",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "orchestrator_swaps",
Measure: census.mOrchestratorSwaps,
Description: "Number of orchestrator swaps mid-stream",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Count(),
},
// Metrics for sending payments
{
Name: "ticket_value_sent",
Measure: census.mTicketValueSent,
Description: "Ticket value sent",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Sum(),
},
{
Name: "tickets_sent",
Measure: census.mTicketsSent,
Description: "Tickets sent",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Sum(),
},
{
Name: "payment_create_errors",
Measure: census.mPaymentCreateError,
Description: "Errors when creating payments",
TagKeys: baseTagsWithManifestID,
Aggregation: view.Sum(),
},
{
Name: "broadcaster_deposit",
Measure: census.mDeposit,
Description: "Current remaining deposit for the broadcaster node",
TagKeys: baseTagsWithEthAddr,
Aggregation: view.LastValue(),
},
{
Name: "broadcaster_reserve",
Measure: census.mReserve,
Description: "Current remaining reserve for the broadcaster node",
TagKeys: baseTagsWithEthAddr,
Aggregation: view.LastValue(),
},
// Metrics for receiving payments
{
Name: "ticket_value_recv",
Measure: census.mTicketValueRecv,
Description: "Ticket value received",
TagKeys: baseTagsWithManifestIDAndEthAddr,
Aggregation: view.Sum(),
},
{
Name: "tickets_recv",
Measure: census.mTicketsRecv,
Description: "Tickets received",
TagKeys: baseTagsWithManifestIDAndEthAddr,
Aggregation: view.Sum(),
},
{
Name: "payment_recv_errors",
Measure: census.mPaymentRecvErr,
Description: "Errors when receiving payments",
TagKeys: append([]tag.Key{census.kErrorCode}, baseTagsWithManifestIDAndEthAddr...),
Aggregation: view.Sum(),
},
{
Name: "winning_tickets_recv",
Measure: census.mWinningTicketsRecv,
Description: "Winning tickets received",
TagKeys: baseTagsWithManifestIDAndEthAddr,
Aggregation: view.Sum(),
},
{
Name: "value_redeemed",
Measure: census.mValueRedeemed,
Description: "Winning ticket value redeemed",
TagKeys: baseTagsWithEthAddr,
Aggregation: view.Sum(),
},
{
Name: "ticket_redemption_errors",
Measure: census.mTicketRedemptionError,
Description: "Errors when redeeming tickets",
TagKeys: baseTags,
Aggregation: view.Sum(),
},
{
Name: "min_gas_price",
Measure: census.mMinGasPrice,
Description: "Minimum gas price to use for gas price suggestions",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "max_gas_price",
Measure: census.mMaxGasPrice,
Description: "Maximum gas price to use for gas price suggestions",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
// Metrics for pixel accounting
{
Name: "mil_pixels_processed",
Measure: census.mMilPixelsProcessed,
Description: "Million pixels processed",
TagKeys: baseTagsWithManifestIDAndIP,
Aggregation: view.Sum(),
},
{
Name: "suggested_gas_price",
Measure: census.mSuggestedGasPrice,
Description: "Suggested gas price for winning ticket redemption",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "transcoding_price",
Measure: census.mTranscodingPrice,
Description: "Transcoding price per pixel",
TagKeys: baseTagsWithEthAddr,
Aggregation: view.LastValue(),
},
// Metrics for fast verification
{
Name: "fast_verification_done",
Measure: census.mFastVerificationDone,
Description: "Number of fast verifications done",
TagKeys: append([]tag.Key{census.kOrchestratorURI}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "fast_verification_failed",
Measure: census.mFastVerificationFailed,
Description: "Number of fast verifications failed",
TagKeys: append([]tag.Key{census.kOrchestratorURI, census.kFVErrorType}, baseTagsWithManifestID...),
Aggregation: view.Count(),
},
{
Name: "fast_verification_enabled_current_sessions_total",
Measure: census.mFastVerificationEnabledCurrentSessions,
Description: "Number of currently transcoded streams that have fast verification enabled",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
{
Name: "fast_verification_using_current_sessions_total",
Measure: census.mFastVerificationUsingCurrentSessions,
Description: "Number of currently transcoded streams that have fast verification enabled and that are using an untrusted orchestrator",
TagKeys: baseTags,
Aggregation: view.LastValue(),
},
// Metrics for scene classification
{
Name: "segment_scene_class_prob",
Measure: census.mSegmentClassProb,
Description: "Current segment scene class probability",
TagKeys: append([]tag.Key{census.kSegClassName}, baseTagsWithManifestID...),
Aggregation: view.LastValue(),
},
{
Name: "scene_classification_total_segments",
Measure: census.mSceneClassification,
Description: "Total segments scene classification ran for",
TagKeys: baseTags,
Aggregation: view.Count(),
},
}
// Register the views
if err := view.Register(views...); err != nil {
glog.Fatalf("Failed to register views: %v", err)
}
registry := rprom.NewRegistry()
registry.MustRegister(rprom.NewProcessCollector(rprom.ProcessCollectorOpts{}))
registry.MustRegister(rprom.NewGoCollector())
pe, err := prometheus.NewExporter(prometheus.Options{
Namespace: "livepeer",
Registry: registry,
})
if err != nil {
glog.Fatalf("Failed to create the Prometheus stats exporter: %v", err)
}
// Register the Prometheus exporters as a stats exporter.
view.RegisterExporter(pe)
stats.Record(ctx, mVersions.M(1))
ctx, err = tag.New(census.ctx, tag.Insert(census.kErrorCode, "LostSegment"))
if err != nil {
glog.Fatal("Error creating context", err)
}
if !unitTestMode {
go census.timeoutWatcher(ctx)
}
Exporter = pe
// init metrics values
SetTranscodersNumberAndLoad(0, 0, 0)
}
/*
func addManifestID(ctx context.Context, manifestID string) (context.Context, error) {
if !PerStreamMetrics {
return ctx, nil
}
return tag.New(ctx, tag.Insert(census.kManifestID, manifestID))
}
*/
func manifestIDTag(ctx context.Context, others ...tag.Mutator) []tag.Mutator {
if PerStreamMetrics {
others = append(others, tag.Insert(census.kManifestID, clog.GetManifestID(ctx)))
}
return others
}
func manifestIDTagAndOrchInfo(orchInfo *lpnet.OrchestratorInfo, ctx context.Context, others ...tag.Mutator) []tag.Mutator {
others = manifestIDTag(ctx, others...)
others = append(
others,
tag.Insert(census.kOrchestratorURI, orchInfo.GetTranscoder()),
tag.Insert(census.kOrchestratorAddress, common.BytesToAddress(orchInfo.GetAddress()).String()),
)
return others
}
func manifestIDTagStr(manifestID string, others ...tag.Mutator) []tag.Mutator {
if PerStreamMetrics {
others = append(others, tag.Insert(census.kManifestID, manifestID))
}
return others
}
func manifestIDTagAndIP(ctx context.Context, others ...tag.Mutator) []tag.Mutator {
if PerStreamMetrics {
others = append(others, tag.Insert(census.kManifestID, clog.GetManifestID(ctx)))
}
if ExposeClientIP {
ip := clog.GetVal(ctx, clog.ClientIP)
if ip == "" {
ip = "not_tracked"
}
others = append(others, tag.Insert(census.kClientIP, ip))
}
return others
}
// LogDiscoveryError records discovery error
func LogDiscoveryError(ctx context.Context, uri, code string) {
if strings.Contains(code, "OrchestratorCapped") {
code = "OrchestratorCapped"
} else if strings.Contains(code, "HTTP status code 404") {
code = "HTTP 404"
} else if strings.Contains(code, "DeadlineExceeded") || strings.Contains(code, "deadline") {
code = "DeadlineExceeded"
} else if strings.Contains(code, "Canceled") {
code = "Canceled"
}
if code != "Canceled" {
if err := stats.RecordWithTags(census.ctx,
[]tag.Mutator{tag.Insert(census.kErrorCode, code),
tag.Insert(census.kOrchestratorURI, uri)},
census.mDiscoveryError.M(1)); err != nil {
clog.Errorf(ctx, "Error recording metrics err=%q", err)
}
}
}
func (cen *censusMetricsCounter) successRate() float64 {
var i int
var f float64
if len(cen.success) == 0 {
return 1
}
for _, avg := range cen.success {
if r, has := avg.successRate(); has {
if PerStreamMetrics {
if err := stats.RecordWithTags(census.ctx,
[]tag.Mutator{tag.Insert(census.kManifestID, avg.manifestID)}, census.mSuccessRatePerStream.M(r)); err != nil {
glog.Errorf("Error recording metrics manifestID=%s err=%q", avg.manifestID, err)
}
}
i++
f += r
}
}
if i > 0 {
return f / float64(i)
}
return 1
}
func (sa *segmentsAverager) successRate() (float64, bool) {
var emerged, transcoded int
if sa.end == -1 {
return 1, false
}
i := sa.start
now := time.Now()
for {
item := &sa.segments[i]
if item.transcoded > 0 || item.failed || now.Sub(item.emergedTime) > timeToWaitForError {
emerged += item.emerged
transcoded += item.transcoded
}
if i == sa.end {
break
}
i = sa.advance(i)
}
if emerged > 0 {
return float64(transcoded) / float64(emerged), true
}
return 1, false
}
func (sa *segmentsAverager) advance(i int) int {
i++
if i == len(sa.segments) {
i = 0
}
return i
}
func (sa *segmentsAverager) addEmerged(seqNo uint64) {
item, _ := sa.getAddItem(seqNo)
item.emerged = 1
item.transcoded = 0
item.emergedTime = time.Now()
item.seqNo = seqNo
}
func (sa *segmentsAverager) addTranscoded(seqNo uint64, failed bool) {
item, found := sa.getAddItem(seqNo)
if !found {
item.emerged = 0
item.emergedTime = time.Now()
}