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<h1>Source code for amqp.service.tracing</h1><div class="highlight"><pre>
<span></span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">OpenTelemetry configuration for tracing and metrics.</span>
<span class="sd">This module provides functionality to initialize and configure OpenTelemetry</span>
<span class="sd">for both tracing (Jaeger via OTLP) and metrics (Prometheus) in the AMQ adapter.</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">logging</span>
<span class="kn">import</span><span class="w"> </span><span class="nn">os</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">dataclasses</span><span class="w"> </span><span class="kn">import</span> <span class="n">dataclass</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">typing</span><span class="w"> </span><span class="kn">import</span> <span class="n">Any</span><span class="p">,</span> <span class="n">Dict</span><span class="p">,</span> <span class="n">Optional</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry</span><span class="w"> </span><span class="kn">import</span> <span class="n">metrics</span><span class="p">,</span> <span class="n">trace</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.exporter.otlp.proto.grpc.trace_exporter</span><span class="w"> </span><span class="kn">import</span> <span class="n">OTLPSpanExporter</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.exporter.prometheus</span><span class="w"> </span><span class="kn">import</span> <span class="n">PrometheusMetricReader</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.sdk.metrics</span><span class="w"> </span><span class="kn">import</span> <span class="n">MeterProvider</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.sdk.metrics.export</span><span class="w"> </span><span class="kn">import</span> <span class="n">PeriodicExportingMetricReader</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.sdk.resources</span><span class="w"> </span><span class="kn">import</span> <span class="n">SERVICE_NAME</span><span class="p">,</span> <span class="n">SERVICE_VERSION</span><span class="p">,</span> <span class="n">Resource</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.sdk.trace</span><span class="w"> </span><span class="kn">import</span> <span class="n">TracerProvider</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.sdk.trace.export</span><span class="w"> </span><span class="kn">import</span> <span class="n">BatchSpanProcessor</span><span class="p">,</span> <span class="n">ConsoleSpanExporter</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">opentelemetry.trace</span><span class="w"> </span><span class="kn">import</span> <span class="n">Tracer</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">prometheus_client</span><span class="w"> </span><span class="kn">import</span> <span class="n">start_http_server</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="vm">__name__</span><span class="p">)</span>
<div class="viewcode-block" id="TracingConfig">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.TracingConfig">[docs]</a>
<span class="nd">@dataclass</span>
<span class="k">class</span><span class="w"> </span><span class="nc">TracingConfig</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Configuration for OpenTelemetry tracing.&quot;&quot;&quot;</span>
<span class="n">service_name</span><span class="p">:</span> <span class="nb">str</span>
<span class="n">service_version</span><span class="p">:</span> <span class="nb">str</span>
<span class="n">otlp_endpoint</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;http://localhost:4317&quot;</span> <span class="c1"># Default Jaeger OTLP endpoint</span>
<span class="n">insecure</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">debug</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">additional_attributes</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Any</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span></div>
<div class="viewcode-block" id="MetricsConfig">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.MetricsConfig">[docs]</a>
<span class="nd">@dataclass</span>
<span class="k">class</span><span class="w"> </span><span class="nc">MetricsConfig</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Configuration for OpenTelemetry metrics.&quot;&quot;&quot;</span>
<span class="n">prometheus_port</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">9464</span>
<span class="n">prometheus_host</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;localhost&quot;</span>
<span class="n">export_interval_millis</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">30000</span>
<span class="n">additional_attributes</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Any</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span></div>
<div class="viewcode-block" id="create_resource">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.create_resource">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">create_resource</span><span class="p">(</span><span class="n">config</span><span class="p">:</span> <span class="n">TracingConfig</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Resource</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Create an OpenTelemetry resource with service information.&quot;&quot;&quot;</span>
<span class="n">attributes</span> <span class="o">=</span> <span class="p">{</span>
<span class="n">SERVICE_NAME</span><span class="p">:</span> <span class="n">config</span><span class="o">.</span><span class="n">service_name</span><span class="p">,</span>
<span class="n">SERVICE_VERSION</span><span class="p">:</span> <span class="n">config</span><span class="o">.</span><span class="n">service_version</span><span class="p">,</span>
<span class="p">}</span>
<span class="k">if</span> <span class="n">config</span><span class="o">.</span><span class="n">additional_attributes</span><span class="p">:</span>
<span class="n">attributes</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">config</span><span class="o">.</span><span class="n">additional_attributes</span><span class="p">)</span>
<span class="k">return</span> <span class="n">Resource</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="n">attributes</span><span class="p">)</span></div>
<div class="viewcode-block" id="setup_otlp_exporter">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.setup_otlp_exporter">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">setup_otlp_exporter</span><span class="p">(</span><span class="n">config</span><span class="p">:</span> <span class="n">TracingConfig</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">OTLPSpanExporter</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Configure and create an OTLP exporter for Jaeger.&quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">OTLPSpanExporter</span><span class="p">(</span><span class="n">endpoint</span><span class="o">=</span><span class="n">config</span><span class="o">.</span><span class="n">otlp_endpoint</span><span class="p">,</span> <span class="n">insecure</span><span class="o">=</span><span class="n">config</span><span class="o">.</span><span class="n">insecure</span><span class="p">)</span></div>
<div class="viewcode-block" id="setup_trace_provider">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.setup_trace_provider">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">setup_trace_provider</span><span class="p">(</span><span class="n">config</span><span class="p">:</span> <span class="n">TracingConfig</span><span class="p">,</span> <span class="n">resource</span><span class="p">:</span> <span class="n">Resource</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">TracerProvider</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Set up the TracerProvider with OTLP exporter.&quot;&quot;&quot;</span>
<span class="n">provider</span> <span class="o">=</span> <span class="n">TracerProvider</span><span class="p">(</span><span class="n">resource</span><span class="o">=</span><span class="n">resource</span><span class="p">)</span>
<span class="c1"># Add OTLP exporter for Jaeger</span>
<span class="n">otlp_exporter</span> <span class="o">=</span> <span class="n">setup_otlp_exporter</span><span class="p">(</span><span class="n">config</span><span class="p">)</span>
<span class="n">provider</span><span class="o">.</span><span class="n">add_span_processor</span><span class="p">(</span><span class="n">BatchSpanProcessor</span><span class="p">(</span><span class="n">otlp_exporter</span><span class="p">))</span>
<span class="c1"># Add console exporter in debug mode</span>
<span class="k">if</span> <span class="n">config</span><span class="o">.</span><span class="n">debug</span><span class="p">:</span>
<span class="n">provider</span><span class="o">.</span><span class="n">add_span_processor</span><span class="p">(</span><span class="n">BatchSpanProcessor</span><span class="p">(</span><span class="n">ConsoleSpanExporter</span><span class="p">()))</span>
<span class="k">return</span> <span class="n">provider</span></div>
<div class="viewcode-block" id="setup_metrics_provider">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.setup_metrics_provider">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">setup_metrics_provider</span><span class="p">(</span><span class="n">config</span><span class="p">:</span> <span class="n">MetricsConfig</span><span class="p">,</span> <span class="n">resource</span><span class="p">:</span> <span class="n">Resource</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">MeterProvider</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;Set up the MeterProvider with Prometheus export.&quot;&quot;&quot;</span>
<span class="k">try</span><span class="p">:</span>
<span class="c1"># Start Prometheus HTTP server</span>
<span class="n">start_http_server</span><span class="p">(</span><span class="n">port</span><span class="o">=</span><span class="n">config</span><span class="o">.</span><span class="n">prometheus_port</span><span class="p">,</span> <span class="n">addr</span><span class="o">=</span><span class="n">config</span><span class="o">.</span><span class="n">prometheus_host</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span>
<span class="sa">f</span><span class="s2">&quot;Started Prometheus metrics server on </span><span class="si">{</span><span class="n">config</span><span class="o">.</span><span class="n">prometheus_host</span><span class="si">}</span><span class="s2">:</span><span class="si">{</span><span class="n">config</span><span class="o">.</span><span class="n">prometheus_port</span><span class="si">}</span><span class="s2">&quot;</span>
<span class="p">)</span>
<span class="c1"># Create Prometheus reader</span>
<span class="n">prometheus_reader</span> <span class="o">=</span> <span class="n">PrometheusMetricReader</span><span class="p">()</span>
<span class="c1"># Create periodic reader for custom metrics</span>
<span class="n">periodic_reader</span> <span class="o">=</span> <span class="n">PeriodicExportingMetricReader</span><span class="p">(</span>
<span class="n">prometheus_reader</span><span class="p">,</span> <span class="n">export_interval_millis</span><span class="o">=</span><span class="n">config</span><span class="o">.</span><span class="n">export_interval_millis</span>
<span class="p">)</span>
<span class="c1"># Create and configure meter provider</span>
<span class="k">return</span> <span class="n">MeterProvider</span><span class="p">(</span><span class="n">resource</span><span class="o">=</span><span class="n">resource</span><span class="p">,</span> <span class="n">metric_readers</span><span class="o">=</span><span class="p">[</span><span class="n">prometheus_reader</span><span class="p">,</span> <span class="n">periodic_reader</span><span class="p">])</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Failed to set up metrics provider: </span><span class="si">{</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="c1"># Return a no-op meter provider</span>
<span class="k">return</span> <span class="n">MeterProvider</span><span class="p">(</span><span class="n">resource</span><span class="o">=</span><span class="n">resource</span><span class="p">)</span></div>
<div class="viewcode-block" id="initialize_telemetry">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.initialize_telemetry">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">initialize_telemetry</span><span class="p">(</span>
<span class="n">tracing_config</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">TracingConfig</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
<span class="n">metrics_config</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">MetricsConfig</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
<span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Tracer</span><span class="p">:</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Initialize OpenTelemetry with tracing and metrics.</span>
<span class="sd"> Args:</span>
<span class="sd"> tracing_config: Configuration for tracing</span>
<span class="sd"> metrics_config: Configuration for metrics</span>
<span class="sd"> Returns:</span>
<span class="sd"> Tracer: Configured OpenTelemetry tracer</span>
<span class="sd"> Example:</span>
<span class="sd"> ```python</span>
<span class="sd"> config = TracingConfig(</span>
<span class="sd"> service_name=&quot;amq-adapter&quot;,</span>
<span class="sd"> service_version=&quot;1.0.0&quot;,</span>
<span class="sd"> otlp_endpoint=&quot;http://jaeger:4317&quot;,</span>
<span class="sd"> debug=True</span>
<span class="sd"> )</span>
<span class="sd"> metrics_config = MetricsConfig(</span>
<span class="sd"> prometheus_port=9464,</span>
<span class="sd"> prometheus_host=&quot;0.0.0.0&quot;</span>
<span class="sd"> )</span>
<span class="sd"> tracer = initialize_telemetry(config, metrics_config)</span>
<span class="sd"> ```</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c1"># Use default configs if none provided</span>
<span class="k">if</span> <span class="n">tracing_config</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">tracing_config</span> <span class="o">=</span> <span class="n">TracingConfig</span><span class="p">(</span>
<span class="n">service_name</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;SERVICE_NAME&quot;</span><span class="p">,</span> <span class="s2">&quot;amq-adapter&quot;</span><span class="p">),</span>
<span class="n">service_version</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;SERVICE_VERSION&quot;</span><span class="p">,</span> <span class="s2">&quot;unknown&quot;</span><span class="p">),</span>
<span class="n">otlp_endpoint</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;OTEL_EXPORTER_OTLP_ENDPOINT&quot;</span><span class="p">,</span> <span class="s2">&quot;http://localhost:4317&quot;</span><span class="p">),</span>
<span class="n">insecure</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;OTEL_INSECURE_MODE&quot;</span><span class="p">,</span> <span class="s2">&quot;true&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;true&quot;</span><span class="p">,</span>
<span class="n">debug</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;OTEL_DEBUG&quot;</span><span class="p">,</span> <span class="s2">&quot;false&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;true&quot;</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">if</span> <span class="n">metrics_config</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">metrics_config</span> <span class="o">=</span> <span class="n">MetricsConfig</span><span class="p">(</span>
<span class="n">prometheus_port</span><span class="o">=</span><span class="nb">int</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;PROMETHEUS_PORT&quot;</span><span class="p">,</span> <span class="s2">&quot;9464&quot;</span><span class="p">)),</span>
<span class="n">prometheus_host</span><span class="o">=</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;PROMETHEUS_HOST&quot;</span><span class="p">,</span> <span class="s2">&quot;localhost&quot;</span><span class="p">),</span>
<span class="n">export_interval_millis</span><span class="o">=</span><span class="nb">int</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s2">&quot;METRICS_EXPORT_INTERVAL&quot;</span><span class="p">,</span> <span class="s2">&quot;30000&quot;</span><span class="p">)),</span>
<span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="c1"># Create resource</span>
<span class="n">resource</span> <span class="o">=</span> <span class="n">create_resource</span><span class="p">(</span><span class="n">tracing_config</span><span class="p">)</span>
<span class="c1"># Set up tracing</span>
<span class="n">provider</span> <span class="o">=</span> <span class="n">setup_trace_provider</span><span class="p">(</span><span class="n">tracing_config</span><span class="p">,</span> <span class="n">resource</span><span class="p">)</span>
<span class="n">trace</span><span class="o">.</span><span class="n">set_tracer_provider</span><span class="p">(</span><span class="n">provider</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Initialized tracing for service </span><span class="si">{</span><span class="n">tracing_config</span><span class="o">.</span><span class="n">service_name</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="c1"># Set up metrics</span>
<span class="n">metrics_provider</span> <span class="o">=</span> <span class="n">setup_metrics_provider</span><span class="p">(</span><span class="n">metrics_config</span><span class="p">,</span> <span class="n">resource</span><span class="p">)</span>
<span class="n">metrics</span><span class="o">.</span><span class="n">set_meter_provider</span><span class="p">(</span><span class="n">metrics_provider</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">&quot;Initialized metrics export&quot;</span><span class="p">)</span>
<span class="c1"># Return configured tracer</span>
<span class="k">return</span> <span class="n">trace</span><span class="o">.</span><span class="n">get_tracer</span><span class="p">(</span>
<span class="n">tracing_config</span><span class="o">.</span><span class="n">service_name</span><span class="p">,</span>
<span class="n">tracing_config</span><span class="o">.</span><span class="n">service_version</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Failed to initialize telemetry: </span><span class="si">{</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="c1"># Return a no-op tracer in case of failure</span>
<span class="k">return</span> <span class="n">trace</span><span class="o">.</span><span class="n">get_tracer</span><span class="p">(</span><span class="s2">&quot;no-op&quot;</span><span class="p">)</span></div>
<div class="viewcode-block" id="create_span">
<a class="viewcode-back" href="../../../modules/amqp.service.html#amqp.service.tracing.create_span">[docs]</a>
<span class="k">def</span><span class="w"> </span><span class="nf">create_span</span><span class="p">(</span><span class="n">tracer</span><span class="p">:</span> <span class="n">Tracer</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">attributes</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Any</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a new span with the given name and attributes.</span>
<span class="sd"> Args:</span>
<span class="sd"> tracer: The OpenTelemetry tracer</span>
<span class="sd"> name: Name of the span</span>
<span class="sd"> attributes: Optional attributes to add to the span</span>
<span class="sd"> Returns:</span>
<span class="sd"> A context manager that creates and manages a span</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">tracer</span><span class="o">.</span><span class="n">start_as_current_span</span><span class="p">(</span>
<span class="n">name</span><span class="p">,</span>
<span class="n">attributes</span><span class="o">=</span><span class="n">attributes</span> <span class="ow">or</span> <span class="p">{},</span>
<span class="p">)</span></div>
</pre></div>
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