How to use the instana.tracer.InstanaTracer function in instana

def test_http_inject_with_dict():
    ot.tracer = InstanaTracer()

    carrier = {}
    span = ot.tracer.start_span("nosetests")
    ot.tracer.inject(span.context, ot.Format.HTTP_HEADERS, carrier)

    assert 'X-Instana-T' in carrier
    assert(carrier['X-Instana-T'] == span.context.trace_id)
    assert 'X-Instana-S' in carrier
    assert(carrier['X-Instana-S'] == span.context.span_id)
    assert 'X-Instana-L' in carrier
    assert(carrier['X-Instana-L'] == "1")

def test_text_inject_with_list():
    ot.tracer = InstanaTracer()

    carrier = []
    span = ot.tracer.start_span("nosetests")
    ot.tracer.inject(span.context, ot.Format.TEXT_MAP, carrier)

    assert ('X-INSTANA-T', span.context.trace_id) in carrier
    assert ('X-INSTANA-S', span.context.span_id) in carrier
    assert ('X-INSTANA-L', "1") in carrier

def test_http_basic_extract():
    ot.tracer = InstanaTracer()

    carrier = {'X-Instana-T': '1', 'X-Instana-S': '1', 'X-Instana-L': '1', 'X-Instana-Synthetic': '1'}
    ctx = ot.tracer.extract(ot.Format.HTTP_HEADERS, carrier)

    assert isinstance(ctx, span.SpanContext)
    assert('0000000000000001' == ctx.trace_id)
    assert('0000000000000001' == ctx.span_id)
    assert ctx.synthetic

def test_http_no_context_extract():
    ot.tracer = InstanaTracer()

    carrier = {}
    ctx = ot.tracer.extract(ot.Format.HTTP_HEADERS, carrier)

    assert ctx is None

def test_http_extract_synthetic_only():
    ot.tracer = InstanaTracer()

    carrier = {'X-Instana-Synthetic': '1'}
    ctx = ot.tracer.extract(ot.Format.HTTP_HEADERS, carrier)

    assert isinstance(ctx, span.SpanContext)
    assert ctx.trace_id is None
    assert ctx.span_id is None
    assert ctx.synthetic

def test_http_128bit_headers():
    ot.tracer = InstanaTracer()

    carrier = {'X-Instana-T': '0000000000000000b0789916ff8f319f',
               'X-Instana-S': '0000000000000000b0789916ff8f319f', 'X-Instana-L': '1'}
    ctx = ot.tracer.extract(ot.Format.HTTP_HEADERS, carrier)

    assert isinstance(ctx, span.SpanContext)
    assert('b0789916ff8f319f' == ctx.trace_id)
    assert('b0789916ff8f319f' == ctx.span_id)

def create_agent_and_setup_tracer(self):
        self.agent = AWSFargateAgent()
        self.span_recorder = AWSFargateRecorder(self.agent)
        self.tracer = InstanaTracer(recorder=self.span_recorder)
        set_agent(self.agent)
        set_tracer(self.tracer)

def test_text_128bit_headers():
    ot.tracer = InstanaTracer()

    carrier = {'X-INSTANA-T': '0000000000000000b0789916ff8f319f',
               'X-INSTANA-S': ' 0000000000000000b0789916ff8f319f', 'X-INSTANA-L': '1'}
    ctx = ot.tracer.extract(ot.Format.TEXT_MAP, carrier)

    assert isinstance(ctx, span.SpanContext)
    assert('b0789916ff8f319f' == ctx.trace_id)
    assert('b0789916ff8f319f' == ctx.span_id)

def test_http_mixed_case_extract():
    ot.tracer = InstanaTracer()

    carrier = {'x-insTana-T': '1', 'X-inSTANa-S': '1', 'X-INstana-l': '1'}
    ctx = ot.tracer.extract(ot.Format.HTTP_HEADERS, carrier)

    assert isinstance(ctx, span.SpanContext)
    assert('0000000000000001' == ctx.trace_id)
    assert('0000000000000001' == ctx.span_id)
    assert not ctx.synthetic

import opentracing as ot

from instana import options, tracer

# This file is the hook for autoinstrumenation.
# Here, we should:
#  1. Make sure instana sensor is not already active in the process
#  2. Activate properly
#    a. Runtime metrics
#    b. Detect and instrument framework
#    c. Detect and instrument any libraries

opts = options.Options()
ot.tracer = tracer.InstanaTracer(opts)