Package index • otel

Other Documentation

This is the reference manual of the otel package. Other forms of documentation:

Getting Started, a tutorial and cookbook for instrumentation.
Collecting telemetry data, a tutorial and cookbok on telemetry data collection.

Configuration

default_tracer_name(): Default tracer name (and meter and logger name) for an R package

Environment Variables: Environment variables to configure otel

Traces

Trace API

end_span(): End an OpenTelemetry span

is_tracing_enabled(): Check if tracing is active

start_local_active_span(): Start and activate a span

start_span(): Start an OpenTelemetry span.

invalid_trace_id invalid_span_id span_kinds span_status_codes: OpenTelemetry tracing constants

Zero Code Instrumentation: Zero Code Instrumentation

Concurrency

local_active_span(): Activate an OpenTelemetry span for an R scope

with_active_span(): Evaluate R code with an active OpenTelemetry span

Low Level Trace API

get_default_tracer_provider(): Get the default tracer provider

get_tracer(): Get a tracer from the default tracer provider

otel_span: OpenTelemetry Span Object

otel_span_context: An OpenTelemetry Span Context object

otel_tracer: OpenTelemetry Tracer Object

otel_tracer_provider: OpenTelemetry Tracer Provider Object

tracer_provider_noop: No-op tracer provider

Logs

Logs API

is_logging_enabled(): Check whether OpenTelemetry logging is active

log() log_trace() log_debug() log_info() log_warn() log_error() log_fatal(): Log an OpenTelemetry log message

log_severity_levels: OpenTelemetry log severity levels

Low Level Logs API

get_default_logger_provider(): Get the default logger provider

get_logger(): Get a logger from the default logger provider

logger_provider_noop: No-op logger provider

otel_logger: OpenTelemetry Logger Object

otel_logger_provider: OpenTelemetry Logger Provider Object

Metrics

Metrics API

counter_add(): Increase an OpenTelemetry counter

gauge_record(): Record a value of an OpenTelemetry gauge

histogram_record(): Record a value of an OpenTelemetry histogram

is_measuring_enabled(): Check whether OpenTelemetry metrics collection is active

up_down_counter_add(): Increase or decrease an OpenTelemetry up-down counter

Low Level Metrics API

get_default_meter_provider(): Get the default meter provider

get_meter(): Get a meter from the default meter provider

meter_provider_noop: No-op Meter Provider

otel_counter: OpenTelemetry Counter Object

otel_gauge: OpenTelemetry Gauge Object

otel_histogram: OpenTelemetry Histogram Object

otel_meter: OpenTelemetry Meter Object

otel_meter_provider: OpenTelemetry meter provider objects

otel_up_down_counter: OpenTelemetry Up-Down Counter Object

Utility Functions

as_attributes(): R objects as OpenTelemetry attributes

get_active_span_context(): Returns the active span context

Context Propagation

extract_http_context(): Extract a span context from HTTP headers received from a client

pack_http_context(): Pack the currently active span context into standard HTTP OpenTelemetry headers