opensearch

type Params struct {
	// Connection is the opentelemetry connection whose OpenSearch index holds
	// the spans.
	Connection string `json:"connection" clicky:"required,title=Connection"`
	// Index, Format and DateField override the connection's defaults:
	// otel-traces-*, flat, and @timestamp.
	Index     string `json:"index,omitempty" clicky:"title=Index"`
	Format    string `json:"format,omitempty" clicky:"title=Format"`
	DateField string `json:"dateField,omitempty" clicky:"title=Date field"`
	// Search narrows the spans read.
	Search *esdsl.Search `json:"search,omitempty"`
	// From and To bound the window, as date math such as now-1h or RFC3339.
	From string `json:"from,omitempty" clicky:"title=From"`
	To   string `json:"to,omitempty" clicky:"title=To"`
	// Follow goes on reading the spans indexed after the window, until the
	// session stops; it has no To.
	Follow bool `json:"follow,omitempty" clicky:"title=Follow"`
	// Poll and Lag, durations such as 2s, pace a follow and hold it behind now.
	Poll string `json:"poll,omitempty" clicky:"title=Poll"`
	Lag  string `json:"lag,omitempty" clicky:"title=Lag"`
}

type Span struct {
	Timestamp   time.Time      `json:"timestamp" pretty:"label=Time" sort:"timestamp"`
	TraceID     string         `json:"traceId" pretty:"label=Trace" filter:"exact"`
	SpanID      string         `json:"spanId" pretty:"label=Span" filter:"exact"`
	ParentID    string         `json:"parentId,omitempty" pretty:"label=Parent" filter:"exact"`
	Service     string         `json:"service" filter:"terms"`
	Operation   string         `json:"operation" filter:"terms"`
	Status      string         `json:"status,omitempty" filter:"terms"`
	DurationMs  float64        `json:"durationMs" pretty:"label=Duration,type=duration,unit=ms" sort:"durationMs"`
	Attributes  map[string]any `json:"attributes,omitempty" pretty:"hide"`
	SourceIndex string         `json:"sourceIndex" pretty:"hide"`
	SourceID    string         `json:"sourceId" pretty:"hide"`
	SourceKey   string         `json:"sourceKey" pretty:"hide"`
}