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https://github.com/prometheus/prometheus.git
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Added commmentary to RW 2.0 protocol for easier adoption and explicit semantics. (#13502)
* Added commmentary to RW 2.0 protocol for easier adoption and explicit semantics. Signed-off-by: bwplotka <bwplotka@gmail.com> * Apply suggestions from code review Co-authored-by: Nico Pazos <32206519+npazosmendez@users.noreply.github.com> Signed-off-by: Callum Styan <callumstyan@gmail.com> --------- Signed-off-by: bwplotka <bwplotka@gmail.com> Signed-off-by: Callum Styan <callumstyan@gmail.com> Co-authored-by: Callum Styan <callumstyan@gmail.com> Co-authored-by: Nico Pazos <32206519+npazosmendez@users.noreply.github.com>
This commit is contained in:
Bartlomiej Plotka
GitHub
parent
6d86554cf3
commit
ae414a3e6b
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@ -98,8 +98,19 @@ func (Histogram_ResetHint) EnumDescriptor() ([]byte, []int) {
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return fileDescriptor_4919b8b88a093366, []int{5, 0}
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}
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// WriteRequest represents a Remote Write 2.0 request to write given time series
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// to remote destination. Note that Remote Write 2.0 requires a content
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// negotiation for version and compressions, explained in
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// https://docs.google.com/document/d/1jx1fqpRnM0pAndeo3AgY7g6BLxN3Ah8R0Mm8RvNsHoU/edit
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// TODO(bwplotka): Change URL to Prometheus docs once ready.
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type WriteRequest struct {
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Symbols []string `protobuf:"bytes,1,rep,name=symbols,proto3" json:"symbols,omitempty"`
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// symbols contains de-duplicated array of string elements used for various
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// items in WriteRequest like labels and some metadata items. To decode
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// each of those items, referenced, by "ref(s)" suffix, you need to lookup the
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// actual string by index from symbols array. The order of strings is up to
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// the client, server should not assume any particular encoding.
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Symbols []string `protobuf:"bytes,1,rep,name=symbols,proto3" json:"symbols,omitempty"`
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// timeseries represents array of distinct series with 0 or more samples.
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Timeseries []TimeSeries `protobuf:"bytes,2,rep,name=timeseries,proto3" json:"timeseries"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -153,20 +164,48 @@ func (m *WriteRequest) GetTimeseries() []TimeSeries {
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return nil
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}
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// TimeSeries represents a single series.
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type TimeSeries struct {
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// Sorted list of label name-value pair references,
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// encoded as indices to the strings array.
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// This list's len is always multiple of 2.
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LabelsRefs []uint32 `protobuf:"varint,1,rep,packed,name=labels_refs,json=labelsRefs,proto3" json:"labels_refs,omitempty"`
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Samples []Sample `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
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Exemplars []Exemplar `protobuf:"bytes,3,rep,name=exemplars,proto3" json:"exemplars"`
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// Same as current version
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Histograms []Histogram `protobuf:"bytes,4,rep,name=histograms,proto3" json:"histograms"`
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Metadata Metadata `protobuf:"bytes,5,opt,name=metadata,proto3" json:"metadata"`
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// Optional created timestamp for the metric in ms format,
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// if the first sample in samples does not contain 0 value.
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// See model/timestamp/timestamp.go for conversion from time.Time
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// to Prometheus timestamp.
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// labels_refs is a list of label name-value pair references, encoded
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// as indices to the WriteRequest.symbols array. This list's len is always
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// a multiple of 2, and the underlying labels should be sorted.
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//
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// Note that there might be multiple TimeSeries objects in the same
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// WriteRequests with the same labels e.g. for different exemplars, metadata
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// or created timestamp.
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LabelsRefs []uint32 `protobuf:"varint,1,rep,packed,name=labels_refs,json=labelsRefs,proto3" json:"labels_refs,omitempty"`
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// samples contain zero or more samples for a given timeseries. For a typical
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// clients, in healthy cases, there will be only one sample, for ~real
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// time metric streaming. Samples can, in theory, co-exist with histogram samples
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// (histograms field), although it should be extremely rare in practice (e.g.
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// only when classic histogram series and native histogram share exactly the
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// same metric name).
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//
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// Samples are sorted by timestamp (older first).
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Samples []Sample `protobuf:"bytes,2,rep,name=samples,proto3" json:"samples"`
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// histograms contain zero or more histogram samples for a given timeseries.
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// For a typical clients, in healthy cases, there will be only one sample, for ~real
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// time metric streaming. histograms can co-exist with samples (see samples
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// for details).
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//
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// histograms are sorted by timestamp (older first).
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Histograms []Histogram `protobuf:"bytes,3,rep,name=histograms,proto3" json:"histograms"`
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// exemplars represents optional set of exemplars attached to this series' samples.
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Exemplars []Exemplar `protobuf:"bytes,4,rep,name=exemplars,proto3" json:"exemplars"`
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// metadata represents the metadata associated with the given series' samples.
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Metadata Metadata `protobuf:"bytes,5,opt,name=metadata,proto3" json:"metadata"`
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// created_timestamp represents an optional created timestamp associated with
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// this series' samples in ms format, typically for counter or histogram type
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// metrics. Note that some servers might require this and in return fail to
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// ingest such series within the WriteRequest.
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//
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// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
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// for conversion from/to time.Time to Prometheus timestamp.
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//
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// NOTE: Optional key word is omitted due to
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// https://cloud.google.com/apis/design/design_patterns.md#optional_primitive_fields
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// Zero value means value not set. If you need to use exactly zero value for
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// timestamp, use 1 millisecond before or after.
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CreatedTimestamp int64 `protobuf:"varint,6,opt,name=created_timestamp,json=createdTimestamp,proto3" json:"created_timestamp,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -220,16 +259,16 @@ func (m *TimeSeries) GetSamples() []Sample {
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return nil
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}
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func (m *TimeSeries) GetExemplars() []Exemplar {
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func (m *TimeSeries) GetHistograms() []Histogram {
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if m != nil {
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return m.Exemplars
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return m.Histograms
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}
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return nil
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}
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func (m *TimeSeries) GetHistograms() []Histogram {
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func (m *TimeSeries) GetExemplars() []Exemplar {
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if m != nil {
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return m.Histograms
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return m.Exemplars
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}
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return nil
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}
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@ -248,11 +287,25 @@ func (m *TimeSeries) GetCreatedTimestamp() int64 {
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return 0
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}
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// Exemplar is an additional information attached to some series' samples.
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// It is typically used to attach an example trace or request ID associated with
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// the metric changes.
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type Exemplar struct {
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// TODO: same as TimeSeries.labels_refs
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// labels_refs is a list of label name-value pair references, encoded
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// as indices to the WriteRequest.symbols array. This list's len is always
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// a multiple of 2, and the underlying labels should be sorted.
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LabelsRefs []uint32 `protobuf:"varint,1,rep,packed,name=labels_refs,json=labelsRefs,proto3" json:"labels_refs,omitempty"`
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Value float64 `protobuf:"fixed64,2,opt,name=value,proto3" json:"value,omitempty"`
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// timestamp is in ms.
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// value represents an exact example value. This can be useful when the exemplar
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// is attached to a histogram, which only gives an estimated value through buckets.
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Value float64 `protobuf:"fixed64,2,opt,name=value,proto3" json:"value,omitempty"`
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// timestamp represents an optional timestamp of the example in ms.
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// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
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// for conversion from/to time.Time to Prometheus timestamp.
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//
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// NOTE: Optional key word is omitted due to
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// https://cloud.google.com/apis/design/design_patterns.md#optional_primitive_fields
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// Zero value means value not set. If you need to use exactly zero value for
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// timestamp, use 1 millisecond before or after.
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Timestamp int64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -313,10 +366,13 @@ func (m *Exemplar) GetTimestamp() int64 {
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return 0
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}
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// Sample represents series sample.
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type Sample struct {
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// value of the sample.
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Value float64 `protobuf:"fixed64,1,opt,name=value,proto3" json:"value,omitempty"`
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// timestamp is in ms format, see model/timestamp/timestamp.go for
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// conversion from time.Time to Prometheus timestamp.
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// timestamp represents timestamp of the sample in ms.
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// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
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// for conversion from/to time.Time to Prometheus timestamp.
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Timestamp int64 `protobuf:"varint,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -370,13 +426,18 @@ func (m *Sample) GetTimestamp() int64 {
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return 0
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}
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// Metadata represents the metadata associated with the given series' samples.
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type Metadata struct {
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Type Metadata_MetricType `protobuf:"varint,1,opt,name=type,proto3,enum=write.v2.Metadata_MetricType" json:"type,omitempty"`
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HelpRef uint32 `protobuf:"varint,3,opt,name=help_ref,json=helpRef,proto3" json:"help_ref,omitempty"`
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UnitRef uint32 `protobuf:"varint,4,opt,name=unit_ref,json=unitRef,proto3" json:"unit_ref,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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Type Metadata_MetricType `protobuf:"varint,1,opt,name=type,proto3,enum=write.v2.Metadata_MetricType" json:"type,omitempty"`
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// help_ref is a reference to the WriteRequest.symbols array representing help
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// text for the metric.
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HelpRef uint32 `protobuf:"varint,3,opt,name=help_ref,json=helpRef,proto3" json:"help_ref,omitempty"`
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// unit_ref is a reference to the WriteRequest.symbols array representing unit
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// for the metric.
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UnitRef uint32 `protobuf:"varint,4,opt,name=unit_ref,json=unitRef,proto3" json:"unit_ref,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *Metadata) Reset() { *m = Metadata{} }
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@ -475,8 +536,9 @@ type Histogram struct {
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PositiveDeltas []int64 `protobuf:"zigzag64,12,rep,packed,name=positive_deltas,json=positiveDeltas,proto3" json:"positive_deltas,omitempty"`
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PositiveCounts []float64 `protobuf:"fixed64,13,rep,packed,name=positive_counts,json=positiveCounts,proto3" json:"positive_counts,omitempty"`
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ResetHint Histogram_ResetHint `protobuf:"varint,14,opt,name=reset_hint,json=resetHint,proto3,enum=write.v2.Histogram_ResetHint" json:"reset_hint,omitempty"`
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// timestamp is in ms format, see model/timestamp/timestamp.go for
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// conversion from time.Time to Prometheus timestamp.
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// timestamp represents timestamp of the sample in ms.
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// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
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// for conversion from/to time.Time to Prometheus timestamp.
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Timestamp int64 `protobuf:"varint,15,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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@ -753,57 +815,57 @@ var fileDescriptor_4919b8b88a093366 = []byte{
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||||
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|
||||
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|
||||
0x30, 0x09, 0xd5, 0x8c, 0x43, 0xa5, 0x70, 0x12, 0xea, 0x1c, 0x20, 0xa2, 0x8c, 0x72, 0x6b, 0x23,
|
||||
0x26, 0xdf, 0xda, 0x7f, 0x6d, 0xd9, 0xe6, 0x0c, 0x88, 0x50, 0x4d, 0x1c, 0x9f, 0x93, 0x46, 0x94,
|
||||
0x7e, 0x3e, 0x7e, 0xd0, 0x4f, 0xf6, 0x1f, 0xf4, 0x12, 0x1a, 0x99, 0x0b, 0x9f, 0xc0, 0x33, 0x22,
|
||||
0x56, 0xd2, 0x9a, 0x4c, 0xe7, 0xe6, 0xde, 0xbb, 0xc2, 0xd0, 0x2a, 0x70, 0xb7, 0xba, 0xa1, 0x22,
|
||||
0xdc, 0x86, 0x66, 0x01, 0x9b, 0x5f, 0xab, 0x25, 0xb1, 0xfa, 0x05, 0x28, 0x7e, 0x64, 0xca, 0xb8,
|
||||
0x06, 0x15, 0x79, 0xc3, 0xf1, 0x11, 0x40, 0xbe, 0x20, 0xbd, 0x73, 0x80, 0x7c, 0x9a, 0x62, 0x47,
|
||||
0x83, 0xd5, 0x8a, 0xd1, 0x78, 0xe9, 0xdb, 0x24, 0xa9, 0x04, 0xee, 0x52, 0x7f, 0xcd, 0x37, 0x72,
|
||||
0xd7, 0x9b, 0x24, 0xa9, 0xc6, 0xc7, 0x6f, 0x1f, 0x4e, 0xd1, 0x9f, 0x0f, 0xa7, 0xe8, 0xdf, 0x87,
|
||||
0x53, 0xf4, 0x53, 0x4d, 0xce, 0x63, 0x37, 0xbc, 0xab, 0xca, 0x9f, 0xb9, 0x6f, 0xfe, 0x0f, 0x00,
|
||||
0x00, 0xff, 0xff, 0x68, 0x88, 0x14, 0xcb, 0x1e, 0x07, 0x00, 0x00,
|
||||
0x0e, 0xd6, 0x81, 0x04, 0xcf, 0xc4, 0x29, 0xe6, 0x7b, 0x4b, 0x38, 0xfa, 0x51, 0x28, 0x08, 0xfd,
|
||||
0x65, 0x4b, 0x19, 0xc7, 0x1a, 0xd4, 0xd8, 0xbd, 0x77, 0x17, 0xb8, 0x4c, 0x43, 0x5d, 0xa5, 0xdf,
|
||||
0x20, 0x69, 0x89, 0x7f, 0x00, 0xe0, 0x8e, 0x47, 0x19, 0x8d, 0x1c, 0xca, 0xb4, 0x52, 0x57, 0xe9,
|
||||
0x1f, 0x0e, 0x3b, 0x83, 0xf4, 0xfa, 0x81, 0xe9, 0x78, 0xd4, 0x90, 0xdc, 0xb8, 0xfc, 0xf6, 0x9f,
|
||||
0x57, 0x07, 0xa4, 0xa0, 0xee, 0xfd, 0x51, 0x02, 0xc8, 0x05, 0xf8, 0x15, 0x1c, 0xba, 0xf6, 0x1d,
|
||||
0x75, 0x99, 0x15, 0xd1, 0x55, 0xdc, 0xa8, 0x49, 0x20, 0x86, 0x08, 0x5d, 0x31, 0xfc, 0x15, 0xd4,
|
||||
0x98, 0xed, 0x85, 0x6e, 0xd6, 0x48, 0xcd, 0x1b, 0x19, 0x92, 0x48, 0x9a, 0xa4, 0x32, 0xfc, 0x3d,
|
||||
0xc0, 0xc6, 0x61, 0x3c, 0x58, 0x47, 0xb6, 0xc7, 0x34, 0x45, 0x9a, 0x9e, 0xe6, 0xa6, 0x49, 0xca,
|
||||
0xa5, 0xe1, 0x72, 0x31, 0xfe, 0x0e, 0x1a, 0xf4, 0x37, 0xea, 0x85, 0xae, 0x1d, 0x31, 0xad, 0x2c,
|
||||
0x9d, 0x38, 0x77, 0xea, 0x09, 0x95, 0x18, 0x73, 0x29, 0xfe, 0x16, 0xea, 0x1e, 0xe5, 0xf6, 0xd2,
|
||||
0xe6, 0xb6, 0x56, 0xe9, 0xa2, 0xc7, 0xb6, 0x59, 0xc2, 0x24, 0xb6, 0x4c, 0x89, 0xbf, 0x84, 0xf6,
|
||||
0x22, 0xa2, 0x36, 0xa7, 0x4b, 0x4b, 0x0e, 0x88, 0xdb, 0x5e, 0xa8, 0x55, 0xbb, 0xa8, 0xaf, 0x10,
|
||||
0x35, 0x21, 0xcc, 0x14, 0xef, 0x59, 0x50, 0x4f, 0xfb, 0x7f, 0x78, 0x68, 0x1d, 0xa8, 0xec, 0x6c,
|
||||
0x77, 0x4b, 0xb5, 0x52, 0x17, 0xf5, 0x11, 0x89, 0x0b, 0xfc, 0x31, 0x34, 0xf2, 0x3e, 0x8a, 0xec,
|
||||
0x93, 0x03, 0xbd, 0x73, 0xa8, 0xc6, 0xf3, 0xcc, 0xdd, 0xe8, 0xbd, 0xee, 0xd2, 0xbe, 0xfb, 0xaf,
|
||||
0x12, 0xd4, 0xd3, 0x0f, 0xc5, 0x5f, 0x43, 0x59, 0x2c, 0x9e, 0xf4, 0xb7, 0x86, 0x2f, 0xdf, 0x1d,
|
||||
0x85, 0x38, 0x44, 0xce, 0xc2, 0xbc, 0x0f, 0x29, 0x91, 0x52, 0xfc, 0x02, 0xea, 0x1b, 0xea, 0x86,
|
||||
0xe2, 0x83, 0x64, 0xb4, 0x26, 0xa9, 0x89, 0x9a, 0xd0, 0x95, 0xa0, 0xb6, 0xbe, 0xc3, 0x25, 0x55,
|
||||
0x8e, 0x29, 0x51, 0x13, 0xba, 0xea, 0xfd, 0x8d, 0x00, 0xf2, 0xab, 0xf0, 0x47, 0xf0, 0x7c, 0xa6,
|
||||
0x9b, 0x64, 0x7a, 0x61, 0x99, 0xb7, 0x6f, 0x74, 0xeb, 0x66, 0x6e, 0xbc, 0xd1, 0x2f, 0xa6, 0x97,
|
||||
0x53, 0xfd, 0xb5, 0x7a, 0x80, 0x9f, 0xc3, 0xd3, 0x22, 0x79, 0x71, 0x7d, 0x33, 0x37, 0x75, 0xa2,
|
||||
0x22, 0x7c, 0x0c, 0xed, 0x22, 0x71, 0x35, 0xba, 0xb9, 0xd2, 0xd5, 0x12, 0x7e, 0x01, 0xc7, 0x45,
|
||||
0x78, 0x32, 0x35, 0xcc, 0xeb, 0x2b, 0x32, 0x9a, 0xa9, 0x0a, 0x3e, 0x85, 0x93, 0x77, 0x1c, 0x39,
|
||||
0x5f, 0xde, 0x6f, 0x65, 0xdc, 0xcc, 0x66, 0x23, 0x72, 0xab, 0x56, 0x70, 0x07, 0xd4, 0x22, 0x31,
|
||||
0x9d, 0x5f, 0x5e, 0xab, 0x55, 0xac, 0x41, 0xe7, 0x91, 0xdc, 0x1c, 0x99, 0xba, 0xa1, 0x9b, 0x6a,
|
||||
0xad, 0xf7, 0x5f, 0x05, 0x1a, 0xd9, 0xbe, 0xe2, 0x97, 0xd0, 0x58, 0x04, 0x5b, 0x9f, 0x5b, 0x8e,
|
||||
0xcf, 0xe5, 0x6c, 0xcb, 0x93, 0x03, 0x52, 0x97, 0xd0, 0xd4, 0xe7, 0xf8, 0x13, 0x38, 0x8c, 0xe9,
|
||||
0x95, 0x1b, 0xd8, 0x3c, 0xfe, 0xd3, 0x4f, 0x0e, 0x08, 0x48, 0xf0, 0x52, 0x60, 0x58, 0x05, 0x85,
|
||||
0x6d, 0x3d, 0x39, 0x60, 0x44, 0xc4, 0x11, 0x3f, 0x83, 0x2a, 0x5b, 0x6c, 0xa8, 0x67, 0xcb, 0xd1,
|
||||
0xb6, 0x49, 0x52, 0xe1, 0x4f, 0xa1, 0xf5, 0x3b, 0x8d, 0x02, 0x8b, 0x6f, 0x22, 0xca, 0x36, 0x81,
|
||||
0xbb, 0x94, 0x7b, 0x8d, 0x48, 0x53, 0xa0, 0x66, 0x0a, 0xe2, 0xcf, 0x12, 0x59, 0x9e, 0xab, 0x2a,
|
||||
0x73, 0x21, 0x72, 0x24, 0xf0, 0x8b, 0x34, 0xdb, 0x17, 0xa0, 0x16, 0x74, 0x71, 0xc0, 0x9a, 0x0c,
|
||||
0x88, 0x48, 0x2b, 0x53, 0xc6, 0x21, 0x47, 0xd0, 0xf2, 0xe9, 0xda, 0xe6, 0xce, 0x8e, 0x5a, 0x2c,
|
||||
0xb4, 0x7d, 0xa6, 0xd5, 0xf7, 0xff, 0xc3, 0x8c, 0xb7, 0x8b, 0x9f, 0x29, 0x37, 0x42, 0xdb, 0x4f,
|
||||
0x1e, 0x55, 0x33, 0x75, 0x08, 0x8c, 0xe1, 0xcf, 0xe1, 0x49, 0x76, 0xc5, 0x92, 0xba, 0xdc, 0x66,
|
||||
0x5a, 0xa3, 0xab, 0xf4, 0x31, 0xc9, 0x6e, 0x7e, 0x2d, 0xd1, 0x47, 0x42, 0x99, 0x8d, 0x69, 0xd0,
|
||||
0x55, 0xfa, 0x28, 0x17, 0xca, 0x60, 0x4c, 0x84, 0x0a, 0x03, 0xe6, 0x14, 0x42, 0x1d, 0x7e, 0x38,
|
||||
0x54, 0xea, 0xc8, 0x42, 0x65, 0x57, 0x24, 0xa1, 0x8e, 0xe2, 0x50, 0x29, 0x9c, 0x87, 0xca, 0x84,
|
||||
0x49, 0xa8, 0x66, 0x1c, 0x2a, 0x85, 0x93, 0x50, 0xe7, 0x00, 0x11, 0x65, 0x94, 0x5b, 0x1b, 0x31,
|
||||
0xf9, 0xd6, 0xfe, 0x6b, 0xcb, 0x36, 0x67, 0x40, 0x84, 0x6a, 0xe2, 0xf8, 0x9c, 0x34, 0xa2, 0xf4,
|
||||
0xf8, 0xf8, 0x41, 0x3f, 0xd9, 0x7f, 0xd0, 0x4b, 0x68, 0x64, 0x2e, 0x7c, 0x02, 0xcf, 0x88, 0x58,
|
||||
0x49, 0x6b, 0x32, 0x9d, 0x9b, 0x7b, 0xef, 0x0a, 0x43, 0xab, 0xc0, 0xdd, 0xea, 0x86, 0x8a, 0x70,
|
||||
0x1b, 0x9a, 0x05, 0x6c, 0x7e, 0xad, 0x96, 0xc4, 0xea, 0x17, 0xa0, 0xf8, 0x91, 0x29, 0xe3, 0x1a,
|
||||
0x54, 0xe4, 0x17, 0x8e, 0x8f, 0x00, 0xf2, 0x05, 0xe9, 0x9d, 0x03, 0xe4, 0xd3, 0x14, 0x3b, 0x1a,
|
||||
0xac, 0x56, 0x8c, 0xc6, 0x4b, 0xdf, 0x26, 0x49, 0x25, 0x70, 0x97, 0xfa, 0x6b, 0xbe, 0x91, 0xbb,
|
||||
0xde, 0x24, 0x49, 0x35, 0x3e, 0x7e, 0xfb, 0x70, 0x8a, 0xfe, 0x7c, 0x38, 0x45, 0xff, 0x3e, 0x9c,
|
||||
0xa2, 0x9f, 0x6a, 0x72, 0x1e, 0xbb, 0xe1, 0x5d, 0x55, 0xfe, 0xcc, 0x7d, 0xf3, 0x7f, 0x00, 0x00,
|
||||
0x00, 0xff, 0xff, 0x50, 0xe1, 0xdd, 0xa2, 0x1e, 0x07, 0x00, 0x00,
|
||||
}
|
||||
|
||||
func (m *WriteRequest) Marshal() (dAtA []byte, err error) {
|
||||
|
|
@ -895,10 +957,10 @@ func (m *TimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
|
|||
}
|
||||
i--
|
||||
dAtA[i] = 0x2a
|
||||
if len(m.Histograms) > 0 {
|
||||
for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
|
||||
if len(m.Exemplars) > 0 {
|
||||
for iNdEx := len(m.Exemplars) - 1; iNdEx >= 0; iNdEx-- {
|
||||
{
|
||||
size, err := m.Histograms[iNdEx].MarshalToSizedBuffer(dAtA[:i])
|
||||
size, err := m.Exemplars[iNdEx].MarshalToSizedBuffer(dAtA[:i])
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
|
@ -909,10 +971,10 @@ func (m *TimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
|
|||
dAtA[i] = 0x22
|
||||
}
|
||||
}
|
||||
if len(m.Exemplars) > 0 {
|
||||
for iNdEx := len(m.Exemplars) - 1; iNdEx >= 0; iNdEx-- {
|
||||
if len(m.Histograms) > 0 {
|
||||
for iNdEx := len(m.Histograms) - 1; iNdEx >= 0; iNdEx-- {
|
||||
{
|
||||
size, err := m.Exemplars[iNdEx].MarshalToSizedBuffer(dAtA[:i])
|
||||
size, err := m.Histograms[iNdEx].MarshalToSizedBuffer(dAtA[:i])
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
|
@ -1393,14 +1455,14 @@ func (m *TimeSeries) Size() (n int) {
|
|||
n += 1 + l + sovTypes(uint64(l))
|
||||
}
|
||||
}
|
||||
if len(m.Exemplars) > 0 {
|
||||
for _, e := range m.Exemplars {
|
||||
if len(m.Histograms) > 0 {
|
||||
for _, e := range m.Histograms {
|
||||
l = e.Size()
|
||||
n += 1 + l + sovTypes(uint64(l))
|
||||
}
|
||||
}
|
||||
if len(m.Histograms) > 0 {
|
||||
for _, e := range m.Histograms {
|
||||
if len(m.Exemplars) > 0 {
|
||||
for _, e := range m.Exemplars {
|
||||
l = e.Size()
|
||||
n += 1 + l + sovTypes(uint64(l))
|
||||
}
|
||||
|
|
@ -1862,40 +1924,6 @@ func (m *TimeSeries) Unmarshal(dAtA []byte) error {
|
|||
}
|
||||
iNdEx = postIndex
|
||||
case 3:
|
||||
if wireType != 2 {
|
||||
return fmt.Errorf("proto: wrong wireType = %d for field Exemplars", wireType)
|
||||
}
|
||||
var msglen int
|
||||
for shift := uint(0); ; shift += 7 {
|
||||
if shift >= 64 {
|
||||
return ErrIntOverflowTypes
|
||||
}
|
||||
if iNdEx >= l {
|
||||
return io.ErrUnexpectedEOF
|
||||
}
|
||||
b := dAtA[iNdEx]
|
||||
iNdEx++
|
||||
msglen |= int(b&0x7F) << shift
|
||||
if b < 0x80 {
|
||||
break
|
||||
}
|
||||
}
|
||||
if msglen < 0 {
|
||||
return ErrInvalidLengthTypes
|
||||
}
|
||||
postIndex := iNdEx + msglen
|
||||
if postIndex < 0 {
|
||||
return ErrInvalidLengthTypes
|
||||
}
|
||||
if postIndex > l {
|
||||
return io.ErrUnexpectedEOF
|
||||
}
|
||||
m.Exemplars = append(m.Exemplars, Exemplar{})
|
||||
if err := m.Exemplars[len(m.Exemplars)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
|
||||
return err
|
||||
}
|
||||
iNdEx = postIndex
|
||||
case 4:
|
||||
if wireType != 2 {
|
||||
return fmt.Errorf("proto: wrong wireType = %d for field Histograms", wireType)
|
||||
}
|
||||
|
|
@ -1929,6 +1957,40 @@ func (m *TimeSeries) Unmarshal(dAtA []byte) error {
|
|||
return err
|
||||
}
|
||||
iNdEx = postIndex
|
||||
case 4:
|
||||
if wireType != 2 {
|
||||
return fmt.Errorf("proto: wrong wireType = %d for field Exemplars", wireType)
|
||||
}
|
||||
var msglen int
|
||||
for shift := uint(0); ; shift += 7 {
|
||||
if shift >= 64 {
|
||||
return ErrIntOverflowTypes
|
||||
}
|
||||
if iNdEx >= l {
|
||||
return io.ErrUnexpectedEOF
|
||||
}
|
||||
b := dAtA[iNdEx]
|
||||
iNdEx++
|
||||
msglen |= int(b&0x7F) << shift
|
||||
if b < 0x80 {
|
||||
break
|
||||
}
|
||||
}
|
||||
if msglen < 0 {
|
||||
return ErrInvalidLengthTypes
|
||||
}
|
||||
postIndex := iNdEx + msglen
|
||||
if postIndex < 0 {
|
||||
return ErrInvalidLengthTypes
|
||||
}
|
||||
if postIndex > l {
|
||||
return io.ErrUnexpectedEOF
|
||||
}
|
||||
m.Exemplars = append(m.Exemplars, Exemplar{})
|
||||
if err := m.Exemplars[len(m.Exemplars)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
|
||||
return err
|
||||
}
|
||||
iNdEx = postIndex
|
||||
case 5:
|
||||
if wireType != 2 {
|
||||
return fmt.Errorf("proto: wrong wireType = %d for field Metadata", wireType)
|
||||
|
|
|
|||
|
|
@ -18,47 +18,104 @@ option go_package = "writev2";
|
|||
|
||||
import "gogoproto/gogo.proto";
|
||||
|
||||
|
||||
// WriteRequest represents a Remote Write 2.0 request to write given time series
|
||||
// to remote destination. Note that Remote Write 2.0 requires a content
|
||||
// negotiation for version and compressions, explained in
|
||||
// https://docs.google.com/document/d/1jx1fqpRnM0pAndeo3AgY7g6BLxN3Ah8R0Mm8RvNsHoU/edit
|
||||
// TODO(bwplotka): Change URL to Prometheus docs once ready.
|
||||
message WriteRequest {
|
||||
// symbols contains de-duplicated array of string elements used for various
|
||||
// items in WriteRequest like labels and some metadata items. To decode
|
||||
// each of those items, referenced, by "ref(s)" suffix, you need to lookup the
|
||||
// actual string by index from symbols array. The order of strings is up to
|
||||
// the client, server should not assume any particular encoding.
|
||||
repeated string symbols = 1;
|
||||
// timeseries represents array of distinct series with 0 or more samples.
|
||||
repeated TimeSeries timeseries = 2 [(gogoproto.nullable) = false];
|
||||
}
|
||||
|
||||
// TimeSeries represents a single series.
|
||||
message TimeSeries {
|
||||
// Sorted list of label name-value pair references,
|
||||
// encoded as indices to the strings array.
|
||||
// This list's len is always multiple of 2.
|
||||
repeated uint32 labels_refs = 1 ;
|
||||
// labels_refs is a list of label name-value pair references, encoded
|
||||
// as indices to the WriteRequest.symbols array. This list's len is always
|
||||
// a multiple of 2, and the underlying labels should be sorted.
|
||||
//
|
||||
// Note that there might be multiple TimeSeries objects in the same
|
||||
// WriteRequests with the same labels e.g. for different exemplars, metadata
|
||||
// or created timestamp.
|
||||
repeated uint32 labels_refs = 1;
|
||||
|
||||
// samples contain zero or more samples for a given timeseries. For typical
|
||||
// clients, in healthy cases, there will be only one sample, for ~real
|
||||
// time metric streaming. Samples can, in theory, co-exist with histogram samples
|
||||
// (histograms field), although it should be extremely rare in practice (e.g.
|
||||
// only when classic histogram series and native histogram share exactly the
|
||||
// same metric name).
|
||||
//
|
||||
// Samples are sorted by timestamp (older first).
|
||||
repeated Sample samples = 2 [(gogoproto.nullable) = false];
|
||||
repeated Exemplar exemplars = 3 [(gogoproto.nullable) = false];
|
||||
// Same as current version
|
||||
repeated Histogram histograms = 4 [(gogoproto.nullable) = false];
|
||||
// histograms contain zero or more histogram samples for a given timeseries.
|
||||
// For typical clients, in healthy cases, there will be only one sample, for ~real
|
||||
// time metric streaming. histograms can co-exist with samples (see samples
|
||||
// for details).
|
||||
//
|
||||
// histograms are sorted by timestamp (older first).
|
||||
repeated Histogram histograms = 3 [(gogoproto.nullable) = false];
|
||||
|
||||
// exemplars represents optional set of exemplars attached to this series' samples.
|
||||
repeated Exemplar exemplars = 4 [(gogoproto.nullable) = false];
|
||||
|
||||
// metadata represents the metadata associated with the given series' samples.
|
||||
Metadata metadata = 5 [(gogoproto.nullable) = false];
|
||||
|
||||
// Optional created timestamp for the metric in ms format,
|
||||
// if the first sample in samples does not contain 0 value.
|
||||
// See model/timestamp/timestamp.go for conversion from time.Time
|
||||
// to Prometheus timestamp.
|
||||
// created_timestamp represents an optional created timestamp associated with
|
||||
// this series' samples in ms format, typically for counter or histogram type
|
||||
// metrics. Note that some servers might require this and in return fail to
|
||||
// ingest such series within the WriteRequest.
|
||||
//
|
||||
// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
|
||||
// for conversion from/to time.Time to Prometheus timestamp.
|
||||
//
|
||||
// NOTE: Optional key word is omitted due to
|
||||
// https://cloud.google.com/apis/design/design_patterns.md#optional_primitive_fields
|
||||
// Zero value means value not set. If you need to use exactly zero value for
|
||||
// timestamp, use 1 millisecond before or after.
|
||||
int64 created_timestamp = 6;
|
||||
}
|
||||
|
||||
// Exemplar is an additional information attached to some series' samples.
|
||||
// It is typically used to attach an example trace or request ID associated with
|
||||
// the metric changes.
|
||||
message Exemplar {
|
||||
// TODO: same as TimeSeries.labels_refs
|
||||
// labels_refs is a list of label name-value pair references, encoded
|
||||
// as indices to the WriteRequest.symbols array. This list's len is always
|
||||
// a multiple of 2, and the underlying labels should be sorted.
|
||||
repeated uint32 labels_refs = 1;
|
||||
// value represents an exact example value. This can be useful when the exemplar
|
||||
// is attached to a histogram, which only gives an estimated value through buckets.
|
||||
double value = 2;
|
||||
// timestamp is in ms.
|
||||
// timestamp represents an optional timestamp of the example in ms.
|
||||
// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
|
||||
// for conversion from/to time.Time to Prometheus timestamp.
|
||||
//
|
||||
// NOTE: Optional key word is omitted due to
|
||||
// https://cloud.google.com/apis/design/design_patterns.md#optional_primitive_fields
|
||||
// Zero value means value not set. If you need to use exactly zero value for
|
||||
// timestamp, use 1 millisecond before or after.
|
||||
int64 timestamp = 3;
|
||||
}
|
||||
|
||||
// Sample represents series sample.
|
||||
message Sample {
|
||||
// value of the sample.
|
||||
double value = 1;
|
||||
// timestamp is in ms format, see model/timestamp/timestamp.go for
|
||||
// conversion from time.Time to Prometheus timestamp.
|
||||
// timestamp represents timestamp of the sample in ms.
|
||||
// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
|
||||
// for conversion from/to time.Time to Prometheus timestamp.
|
||||
int64 timestamp = 2;
|
||||
}
|
||||
|
||||
// Metadata represents the metadata associated with the given series' samples.
|
||||
message Metadata {
|
||||
enum MetricType {
|
||||
METRIC_TYPE_UNSPECIFIED = 0;
|
||||
|
|
@ -71,7 +128,11 @@ message Metadata {
|
|||
METRIC_TYPE_STATESET = 7;
|
||||
}
|
||||
MetricType type = 1;
|
||||
// help_ref is a reference to the WriteRequest.symbols array representing help
|
||||
// text for the metric.
|
||||
uint32 help_ref = 3;
|
||||
// unit_ref is a reference to the WriteRequest.symbols array representing unit
|
||||
// for the metric.
|
||||
uint32 unit_ref = 4;
|
||||
}
|
||||
|
||||
|
|
@ -125,8 +186,9 @@ message Histogram {
|
|||
repeated double positive_counts = 13; // Absolute count of each bucket.
|
||||
|
||||
ResetHint reset_hint = 14;
|
||||
// timestamp is in ms format, see model/timestamp/timestamp.go for
|
||||
// conversion from time.Time to Prometheus timestamp.
|
||||
// timestamp represents timestamp of the sample in ms.
|
||||
// For Go, see github.com/prometheus/prometheus/model/timestamp/timestamp.go
|
||||
// for conversion from/to time.Time to Prometheus timestamp.
|
||||
int64 timestamp = 15;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue