correct usage of Resource class and attributes in examples

Author: Sanket-0510

docs/examples/basic_tracer/resources.py

@@ -13,15 +13,15 @@
 # limitations under the License.
 
 from opentelemetry import trace
-from opentelemetry.sdk.resources import Resource
+from opentelemetry.sdk.resources import SERVICE_NAME, Resource
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import (
     BatchSpanProcessor,
     ConsoleSpanExporter,
 )
 
 # Use Resource.create() instead of constructor directly
-resource = Resource.create({"service.name": "basic_service"})
+resource = Resource.create({SERVICE_NAME: "basic_service"})
 
 trace.set_tracer_provider(TracerProvider(resource=resource))
 

docs/examples/fork-process-model/README.rst

@@ -17,7 +17,7 @@ Gunicorn post_fork hook
 
     from opentelemetry import trace
     from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter
-    from opentelemetry.sdk.resources import Resource
+    from opentelemetry.sdk.resources import SERVICE_NAME, Resource
     from opentelemetry.sdk.trace import TracerProvider
     from opentelemetry.sdk.trace.export import BatchSpanProcessor
 
@@ -26,7 +26,7 @@ Gunicorn post_fork hook
         server.log.info("Worker spawned (pid: %s)", worker.pid)
 
         resource = Resource.create(attributes={
-            "service.name": "api-service"
+            SERVICE_NAME: "api-service"
         })
 
         trace.set_tracer_provider(TracerProvider(resource=resource))
@@ -45,15 +45,15 @@ uWSGI postfork decorator
 
     from opentelemetry import trace
     from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter
-    from opentelemetry.sdk.resources import Resource
+    from opentelemetry.sdk.resources import SERVICE_NAME, Resource
     from opentelemetry.sdk.trace import TracerProvider
     from opentelemetry.sdk.trace.export import BatchSpanProcessor
 
 
     @postfork
     def init_tracing():
         resource = Resource.create(attributes={
-            "service.name": "api-service"
+            SERVICE_NAME: "api-service"
         })
 
         trace.set_tracer_provider(TracerProvider(resource=resource))

docs/examples/fork-process-model/flask-gunicorn/gunicorn.conf.py

@@ -21,7 +21,7 @@
 )
 from opentelemetry.sdk.metrics import MeterProvider
 from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
-from opentelemetry.sdk.resources import Resource
+from opentelemetry.sdk.resources import SERVICE_NAME, Resource
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchSpanProcessor
 
@@ -48,7 +48,7 @@ def post_fork(server, worker):
 
     resource = Resource.create(
         attributes={
-            "service.name": "api-service",
+            SERVICE_NAME: "api-service",
             # If workers are not distinguished within attributes, traces and
             # metrics exported from each worker will be indistinguishable. While
             # not necessarily an issue for traces, it is confusing for almost

docs/examples/fork-process-model/flask-uwsgi/app.py

@@ -21,7 +21,7 @@
     OTLPSpanExporter,
 )
 from opentelemetry.instrumentation.flask import FlaskInstrumentor
-from opentelemetry.sdk.resources import Resource
+from opentelemetry.sdk.resources import SERVICE_NAME, Resource
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchSpanProcessor
 
@@ -34,7 +34,7 @@
 
 @postfork
 def init_tracing():
-    resource = Resource.create(attributes={"service.name": "api-service"})
+    resource = Resource.create(attributes={SERVICE_NAME: "api-service"})
 
     trace.set_tracer_provider(TracerProvider(resource=resource))
     # This uses insecure connection for the purpose of example. Please see the

docs/examples/logs/example.py

@@ -7,7 +7,11 @@
 )
 from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
 from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
-from opentelemetry.sdk.resources import Resource
+from opentelemetry.sdk.resources import (
+    SERVICE_INSTANCE_ID,
+    SERVICE_NAME,
+    Resource,
+)
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import (
     BatchSpanProcessor,
@@ -22,8 +26,8 @@
 logger_provider = LoggerProvider(
     resource=Resource.create(
         {
-            "service.name": "shoppingcart",
-            "service.instance.id": "instance-12",
+            SERVICE_NAME: "shoppingcart",
+            SERVICE_INSTANCE_ID: "instance-12",
         }
     ),
 )