opentracing-clj.core — com.servisuite/opentracing-clj 0.1.6

Functions for creating and manipulating spans for opentracing.

*tracer* clj

An Tracer object representing the standard tracer for trace operations.

Defaults to the value returned by GlobalTracer.get().

active-span clj

(active-span)

Returns the current active span.

baggage-item clj

(baggage-item key)

(baggage-item span key)

Returns the value of the baggage item identified by the given key, or nil if no such item could be found.

context clj

(context)

(context span)

Returns the associated SpanContext of a span.

finish clj

(finish)

(finish span)

(finish span timestamp)

Sets the end timestamp to now and records the span. Can also supply an explicit timestamp in microseconds.

log clj

(log v)

(log span v)

(log span v timestamp)

Logs value v on the span.

Can also supply an explicit timestamp in microseconds.

set-baggage-item clj

(set-baggage-item key val)

(set-baggage-item span key val)

Sets a baggage item on the Span as a key/value pair.

set-baggage-items clj

(set-baggage-items map)

(set-baggage-items span map)

Sets baggage items on the Span using key/value pairs of a map.

Note: Will automatically convert keys into strings.

set-operation-name clj

(set-operation-name name)

(set-operation-name span name)

Sets the string name for the logical operation this span represents.

set-tag clj

(set-tag key value)

(set-tag span key value)

Sets a key/value tag on the Span.

set-tags clj

(set-tags m)

(set-tags s m)

Sets/adds tags on the Span using key/value pairs of a map.

Automatically converts keys into strings. Overrides any existing tags with the same keys.

with-active-span clj macro

(with-active-span sym & body)

Convenience macro for setting sym to the current active span. Will evaluate to nil if there are no active-spans.

with-span clj macro

(with-span binding & body)

Evaluates body in the scope of a generated span.

binding => [span-sym span-init-spec]

span-init-spec must evaluate at runtime to a value conforming to the :opentracing/span-init spec.