type Attr struct {Keystring `json:"key,omitempty"`ValueValue  `json:"value,omitempty"`}

funcBool¶

func Bool(keystring, valuebool)Attr

Bool returns an Attr for a bool value.

funcBytes¶

func Bytes(keystring, value []byte)Attr

Bytes returns an Attr for a []byte value.The passed slice must not be changed after it is passed.

funcFloat64¶

func Float64(keystring, valuefloat64)Attr

Float64 returns an Attr for a float64 value.

funcInt¶

func Int(keystring, valueint)Attr

Int returns an Attr for an int value.

funcInt64¶

func Int64(keystring, valueint64)Attr

Int64 returns an Attr for an int64 value.

funcMap¶

func Map(keystring, value ...Attr)Attr

Map returns an Attr for a map value.The passed slice must not be changed after it is passed.

funcSlice¶

func Slice(keystring, value ...Value)Attr

Slice returns an Attr for a []Value value.The passed slice must not be changed after it is passed.

funcString¶

func String(key, valuestring)Attr

String returns an Attr for a string value.

func (Attr)Equal¶

func (aAttr) Equal(bAttr)bool

Equal reports whether a is equal to b.

type Resource struct {// Attrs are the set of attributes that describe the resource. Attribute// keys MUST be unique (it is not allowed to have more than one attribute// with the same key).Attrs []Attr `json:"attributes,omitempty"`// DroppedAttrs is the number of dropped attributes. If the value// is 0, then no attributes were dropped.DroppedAttrsuint32 `json:"droppedAttributesCount,omitempty"`}

func (*Resource)UnmarshalJSON¶

func (r *Resource) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.

type ResourceSpans struct {// The resource for the spans in this message.// If this field is not set then no resource info is known.ResourceResource `json:"resource"`// A list of ScopeSpans that originate from a resource.ScopeSpans []*ScopeSpans `json:"scopeSpans,omitempty"`// This schema_url applies to the data in the "resource" field. It does not apply// to the data in the "scope_spans" field which have their own schema_url field.SchemaURLstring `json:"schemaUrl,omitempty"`}

func (*ResourceSpans)UnmarshalJSON¶

func (rs *ResourceSpans) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into rs.

type Scope struct {Namestring `json:"name,omitempty"`Versionstring `json:"version,omitempty"`Attrs        []Attr `json:"attributes,omitempty"`DroppedAttrsuint32 `json:"droppedAttributesCount,omitempty"`}

func (*Scope)UnmarshalJSON¶

func (s *Scope) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.

type ScopeSpans struct {// The instrumentation scope information for the spans in this message.// Semantically when InstrumentationScope isn't set, it is equivalent with// an empty instrumentation scope name (unknown).Scope *Scope `json:"scope"`// A list of Spans that originate from an instrumentation scope.Spans []*Span `json:"spans,omitempty"`// The Schema URL, if known. This is the identifier of the Schema that the span data// is recorded in. To learn more about Schema URL see//https://opentelemetry.io/docs/specs/otel/schemas/#schema-url// This schema_url applies to all spans and span events in the "spans" field.SchemaURLstring `json:"schemaUrl,omitempty"`}

func (*ScopeSpans)UnmarshalJSON¶

func (ss *ScopeSpans) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into ss.

type Span struct {// A unique identifier for a trace. All spans from the same trace share// the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes OR// of length other than 16 bytes is considered invalid (empty string in OTLP/JSON// is zero-length and thus is also invalid).//// This field is required.TraceIDTraceID `json:"traceId,omitempty"`// A unique identifier for a span within a trace, assigned when the span// is created. The ID is an 8-byte array. An ID with all zeroes OR of length// other than 8 bytes is considered invalid (empty string in OTLP/JSON// is zero-length and thus is also invalid).//// This field is required.SpanIDSpanID `json:"spanId,omitempty"`// trace_state conveys information about request position in multiple distributed tracing graphs.// It is a trace_state in w3c-trace-context format:https://www.w3.org/TR/trace-context/#tracestate-header// See alsohttps://github.com/w3c/distributed-tracing for more details about this field.TraceStatestring `json:"traceState,omitempty"`// The `span_id` of this span's parent span. If this is a root span, then this// field must be empty. The ID is an 8-byte array.ParentSpanIDSpanID `json:"parentSpanId,omitempty"`// Flags, a bit field.//// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace// Context specification. To read the 8-bit W3C trace flag, use// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.//// Seehttps://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.//// Bits 8 and 9 represent the 3 states of whether a span's parent// is remote. The states are (unknown, is not remote, is remote).// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.// To read whether the span is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.//// When creating span messages, if the message is logically forwarded from another source// with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD// be copied as-is. If creating from a source that does not have an equivalent flags field// (such as a runtime representation of an OpenTelemetry span), the high 22 bits MUST// be set to zero.// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.//// [Optional].Flagsuint32 `json:"flags,omitempty"`// A description of the span's operation.//// For example, the name can be a qualified method name or a file name// and a line number where the operation is called. A best practice is to use// the same display name at the same call point in an application.// This makes it easier to correlate spans in different traces.//// This field is semantically required to be set to non-empty string.// Empty value is equivalent to an unknown span name.//// This field is required.Namestring `json:"name"`// Distinguishes between spans generated in a particular context. For example,// two spans with the same name may be distinguished using `CLIENT` (caller)// and `SERVER` (callee) to identify queueing latency associated with the span.KindSpanKind `json:"kind,omitempty"`// start_time_unix_nano is the start time of the span. On the client side, this is the time// kept by the local machine where the span execution starts. On the server side, this// is the time when the server's application handler starts running.// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.//// This field is semantically required and it is expected that end_time >= start_time.StartTimetime.Time `json:"startTimeUnixNano,omitempty"`// end_time_unix_nano is the end time of the span. On the client side, this is the time// kept by the local machine where the span execution ends. On the server side, this// is the time when the server application handler stops running.// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.//// This field is semantically required and it is expected that end_time >= start_time.EndTimetime.Time `json:"endTimeUnixNano,omitempty"`// attributes is a collection of key/value pairs. Note, global attributes// like server name can be set using the resource API. Examples of attributes:////     "/http/user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"//     "/http/server_latency": 300//     "example.com/myattribute": true//     "example.com/score": 10.239//// The OpenTelemetry API specification further restricts the allowed value types://https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/common/README.md#attribute// Attribute keys MUST be unique (it is not allowed to have more than one// attribute with the same key).Attrs []Attr `json:"attributes,omitempty"`// dropped_attributes_count is the number of attributes that were discarded. Attributes// can be discarded because their keys are too long or because there are too many// attributes. If this value is 0, then no attributes were dropped.DroppedAttrsuint32 `json:"droppedAttributesCount,omitempty"`// events is a collection of Event items.Events []*SpanEvent `json:"events,omitempty"`// dropped_events_count is the number of dropped events. If the value is 0, then no// events were dropped.DroppedEventsuint32 `json:"droppedEventsCount,omitempty"`// links is a collection of Links, which are references from this span to a span// in the same or different trace.Links []*SpanLink `json:"links,omitempty"`// dropped_links_count is the number of dropped links after the maximum size was// enforced. If this value is 0, then no links were dropped.DroppedLinksuint32 `json:"droppedLinksCount,omitempty"`// An optional final status for this span. Semantically when Status isn't set, it means// span's status code is unset, i.e. assume STATUS_CODE_UNSET (code = 0).Status *Status `json:"status,omitempty"`}

func (Span)MarshalJSON¶

func (sSpan) MarshalJSON() ([]byte,error)

MarshalJSON encodes s into OTLP formatted JSON.

func (*Span)UnmarshalJSON¶

func (s *Span) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into s.

type SpanEvent struct {// time_unix_nano is the time the event occurred.Timetime.Time `json:"timeUnixNano,omitempty"`// name of the event.// This field is semantically required to be set to non-empty string.Namestring `json:"name,omitempty"`// attributes is a collection of attribute key/value pairs on the event.// Attribute keys MUST be unique (it is not allowed to have more than one// attribute with the same key).Attrs []Attr `json:"attributes,omitempty"`// dropped_attributes_count is the number of dropped attributes. If the value is 0,// then no attributes were dropped.DroppedAttrsuint32 `json:"droppedAttributesCount,omitempty"`}

func (SpanEvent)MarshalJSON¶

func (eSpanEvent) MarshalJSON() ([]byte,error)

MarshalJSON encodes e into OTLP formatted JSON.

func (*SpanEvent)UnmarshalJSON¶

func (se *SpanEvent) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into se.

type SpanFlagsint32

type SpanID [spanIDSize]byte

func (SpanID)IsEmpty¶

func (sidSpanID) IsEmpty()bool

IsEmpty reports whether the SpanID contains only zero bytes.

func (SpanID)MarshalJSON¶

func (sidSpanID) MarshalJSON() ([]byte,error)

MarshalJSON converts span ID into a hex string enclosed in quotes.

func (SpanID)String¶

func (sidSpanID) String()string

String returns the hex string representation form of a SpanID.

func (*SpanID)UnmarshalJSON¶

func (sid *SpanID) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes span ID from hex string, possibly enclosed in quotes.

type SpanKindint32

type SpanLink struct {// A unique identifier of a trace that this linked span is part of. The ID is a// 16-byte array.TraceIDTraceID `json:"traceId,omitempty"`// A unique identifier for the linked span. The ID is an 8-byte array.SpanIDSpanID `json:"spanId,omitempty"`// The trace_state associated with the link.TraceStatestring `json:"traceState,omitempty"`// attributes is a collection of attribute key/value pairs on the link.// Attribute keys MUST be unique (it is not allowed to have more than one// attribute with the same key).Attrs []Attr `json:"attributes,omitempty"`// dropped_attributes_count is the number of dropped attributes. If the value is 0,// then no attributes were dropped.DroppedAttrsuint32 `json:"droppedAttributesCount,omitempty"`// Flags, a bit field.//// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace// Context specification. To read the 8-bit W3C trace flag, use// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.//// Seehttps://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.//// Bits 8 and 9 represent the 3 states of whether the link is remote.// The states are (unknown, is not remote, is remote).// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.// To read whether the link is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.//// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.// When creating new spans, bits 10-31 (most-significant 22-bits) MUST be zero.//// [Optional].Flagsuint32 `json:"flags,omitempty"`}

func (*SpanLink)UnmarshalJSON¶

func (sl *SpanLink) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into sl.

type Status struct {// A developer-facing human readable error message.Messagestring `json:"message,omitempty"`// The status code.CodeStatusCode `json:"code,omitempty"`}

type StatusCodeint32

func (StatusCode)String¶

func (sStatusCode) String()string

type TraceID [traceIDSize]byte

func (TraceID)IsEmpty¶

func (tidTraceID) IsEmpty()bool

IsEmpty reports whether the TraceID contains only zero bytes.

func (TraceID)MarshalJSON¶

func (tidTraceID) MarshalJSON() ([]byte,error)

MarshalJSON converts the trace ID into a hex string enclosed in quotes.

func (TraceID)String¶

func (tidTraceID) String()string

String returns the hex string representation form of a TraceID.

func (*TraceID)UnmarshalJSON¶

func (tid *TraceID) UnmarshalJSON(data []byte)error

UnmarshalJSON inflates the trace ID from hex string, possibly enclosed inquotes.

type Traces struct {// An array of ResourceSpans.// For data coming from a single resource this array will typically contain// one element. Intermediary nodes that receive data from multiple origins// typically batch the data before forwarding further and in that case this// array will contain multiple elements.ResourceSpans []*ResourceSpans `json:"resourceSpans,omitempty"`}

func (*Traces)UnmarshalJSON¶

func (td *Traces) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into td.

type Value struct {// contains filtered or unexported fields}

funcBoolValue¶

func BoolValue(vbool)Value

BoolValue returns aValue for a bool.

funcBytesValue¶

func BytesValue(v []byte)Value

BytesValue returns aValue for a byte slice. The passed slice must not bechanged after it is passed.

funcFloat64Value¶

func Float64Value(vfloat64)Value

Float64Value returns aValue for a float64.

funcInt64Value¶

func Int64Value(vint64)Value

Int64Value returns aValue for an int64.

funcIntValue¶

func IntValue(vint)Value

IntValue returns aValue for an int.

funcMapValue¶

func MapValue(kvs ...Attr)Value

MapValue returns a newValue for a slice of key-value pairs. The passedslice must not be changed after it is passed.

funcSliceValue¶

func SliceValue(vs ...Value)Value

SliceValue returns aValue for a slice ofValue. The passed slice mustnot be changed after it is passed.

funcStringValue¶

func StringValue(vstring)Value

StringValue returns a newValue for a string.

func (Value)AsBool¶

func (vValue) AsBool()bool

AsBool returns the value held by v as a bool.

func (Value)AsBytes¶

func (vValue) AsBytes() []byte

AsBytes returns the value held by v as a []byte.

func (Value)AsFloat64¶

func (vValue) AsFloat64()float64

AsFloat64 returns the value held by v as a float64.

func (Value)AsInt64¶

func (vValue) AsInt64()int64

AsInt64 returns the value held by v as an int64.

func (Value)AsMap¶

func (vValue) AsMap() []Attr

AsMap returns the value held by v as a []Attr.

func (Value)AsSlice¶

func (vValue) AsSlice() []Value

AsSlice returns the value held by v as a []Value.

func (Value)AsString¶

func (vValue) AsString()string

AsString returns the value held by v as a string.

func (Value)Empty¶

func (vValue) Empty()bool

Empty reports whether v does not hold any value.

func (Value)Equal¶

func (vValue) Equal(wValue)bool

Equal reports whether v is equal to w.

func (Value)Kind¶

func (vValue) Kind()ValueKind

Kind returns the Kind of v.

func (*Value)MarshalJSON¶

func (v *Value) MarshalJSON() ([]byte,error)

MarshalJSON encodes v into OTLP formatted JSON.

func (Value)String¶

func (vValue) String()string

String returns Value's value as a string, formatted likefmt.Sprint.

The returned string is meant for debugging;the string representation is not stable.

func (*Value)UnmarshalJSON¶

func (v *Value) UnmarshalJSON(data []byte)error

UnmarshalJSON decodes the OTLP formatted JSON contained in data into v.

type ValueKindint

const (ValueKindEmptyValueKind =iotaValueKindBoolValueKindFloat64ValueKindInt64ValueKindStringValueKindBytesValueKindSliceValueKindMap)

ValueKind values.

func (ValueKind)String¶

func (kValueKind) String()string