add history trace command

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

util/otelutil/jaeger/model.go

@@ -0,0 +1,102 @@
+package jaeger
+
+// ReferenceType is the reference type of one span to another
+type ReferenceType string
+
+// TraceID is the shared trace ID of all spans in the trace.
+type TraceID string
+
+// SpanID is the id of a span
+type SpanID string
+
+// ProcessID is a hashed value of the Process struct that is unique within the trace.
+type ProcessID string
+
+// ValueType is the type of a value stored in KeyValue struct.
+type ValueType string
+
+const (
+	// ChildOf means a span is the child of another span
+	ChildOf ReferenceType = "CHILD_OF"
+	// FollowsFrom means a span follows from another span
+	FollowsFrom ReferenceType = "FOLLOWS_FROM"
+
+	// StringType indicates a string value stored in KeyValue
+	StringType ValueType = "string"
+	// BoolType indicates a Boolean value stored in KeyValue
+	BoolType ValueType = "bool"
+	// Int64Type indicates a 64bit signed integer value stored in KeyValue
+	Int64Type ValueType = "int64"
+	// Float64Type indicates a 64bit float value stored in KeyValue
+	Float64Type ValueType = "float64"
+	// BinaryType indicates an arbitrary byte array stored in KeyValue
+	BinaryType ValueType = "binary"
+)
+
+// Trace is a list of spans
+type Trace struct {
+	TraceID   TraceID               `json:"traceID"`
+	Spans     []Span                `json:"spans"`
+	Processes map[ProcessID]Process `json:"processes"`
+	Warnings  []string              `json:"warnings"`
+}
+
+// Span is a span denoting a piece of work in some infrastructure
+// When converting to UI model, ParentSpanID and Process should be dereferenced into
+// References and ProcessID, respectively.
+// When converting to ES model, ProcessID and Warnings should be omitted. Even if
+// included, ES with dynamic settings off will automatically ignore unneeded fields.
+type Span struct {
+	TraceID       TraceID     `json:"traceID"`
+	SpanID        SpanID      `json:"spanID"`
+	ParentSpanID  SpanID      `json:"parentSpanID,omitempty"` // deprecated
+	Flags         uint32      `json:"flags,omitempty"`
+	OperationName string      `json:"operationName"`
+	References    []Reference `json:"references"`
+	StartTime     uint64      `json:"startTime"` // microseconds since Unix epoch
+	Duration      uint64      `json:"duration"`  // microseconds
+	Tags          []KeyValue  `json:"tags"`
+	Logs          []Log       `json:"logs"`
+	ProcessID     ProcessID   `json:"processID,omitempty"`
+	Process       *Process    `json:"process,omitempty"`
+	Warnings      []string    `json:"warnings"`
+}
+
+// Reference is a reference from one span to another
+type Reference struct {
+	RefType ReferenceType `json:"refType"`
+	TraceID TraceID       `json:"traceID"`
+	SpanID  SpanID        `json:"spanID"`
+}
+
+// Process is the process emitting a set of spans
+type Process struct {
+	ServiceName string     `json:"serviceName"`
+	Tags        []KeyValue `json:"tags"`
+}
+
+// Log is a log emitted in a span
+type Log struct {
+	Timestamp uint64     `json:"timestamp"`
+	Fields    []KeyValue `json:"fields"`
+}
+
+// KeyValue is a key-value pair with typed value.
+type KeyValue struct {
+	Key   string      `json:"key"`
+	Type  ValueType   `json:"type,omitempty"`
+	Value interface{} `json:"value"`
+}
+
+// DependencyLink shows dependencies between services
+type DependencyLink struct {
+	Parent    string `json:"parent"`
+	Child     string `json:"child"`
+	CallCount uint64 `json:"callCount"`
+}
+
+// Operation defines the data in the operation response when query operation by service and span kind
+type Operation struct {
+	Name     string `json:"name"`
+	SpanKind string `json:"spanKind"`
+}