Reference

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 cookbook on telemetry data collection.
Configuration
default_tracer_name()	Default tracer name (and meter and logger name) for an R package
Environment Variables OTEL_ENV OTEL_TRACES_EXPORTER OTEL_R_TRACES_EXPORTER OTEL_LOGS_EXPORTER OTEL_R_LOGS_EXPORTER OTEL_METRICS_EXPORTER OTEL_R_METRICS_EXPORTER OTEL_R_EMIT_SCOPES OTEL_R_SUPPRESS_SCOPES	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 OTEL_R_INSTRUMENT_PKGS	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()	Returns the active span, if any
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