update otel readme files (#3978)

* update readmes for noagent samples, add otel properties to application.properties in noagent samples

* update readme for console - noagent

* update opentelemetry and optentelemetry agent readme

* add java options and new agentless module to readme

* update readmes

* Update sentry-opentelemetry/README.md

Co-authored-by: Alexander Dinauer <[email protected]>

* Update sentry-opentelemetry/README.md

Co-authored-by: Alexander Dinauer <[email protected]>

* Update sentry-opentelemetry/sentry-opentelemetry-agent/README.md

Co-authored-by: Alexander Dinauer <[email protected]>

* Update sentry-opentelemetry/sentry-opentelemetry-agentless/README.md

Co-authored-by: Alexander Dinauer <[email protected]>

* Update sentry-opentelemetry/README.md

Co-authored-by: Alexander Dinauer <[email protected]>

* remove experimental note in opentelemetry readmes

---------

Co-authored-by: Alexander Dinauer <[email protected]>

sentry-opentelemetry/README.md

@@ -1,7 +1,5 @@
 # sentry-opentelemetry
 
-*NOTE: Our OpenTelemetry modules are still experimental. Any feedback is welcome.*
-
 ## OpenTelemetry
 
 More information on OpenTelemetry can be found on their [website](https://opentelemetry.io/) as well
@@ -21,8 +19,7 @@ application. Please see the module [README](sentry-opentelemetry-agent/README.md
 
 This contains customizations to the OpenTelemetry Java Agent such as registering the
 `SentrySpanProcessor` and `SentryPropagator` as well as providing default properties that
-enable the `sentry` propagator and disable exporters so our agent doesn't trigger lots of log 
-warnings due to OTLP server not being there. This can also be used without the agent.
+enable the `sentry` propagator.
 
 ### `sentry-opentelemetry-bootstrap`
 
@@ -39,4 +36,50 @@ you also need this module as a dependency.
 Contains `SentrySpanProcessor` and `SentryPropagator` which are used by our Java Agent but can also
 be used when manually instrumenting using OpenTelemetry. If you want to use OpenTelemetry without
 the agent but still want some configuration convenience, you should rather use the
-`sentry-opentelemetry-agentcustomization` module.
+`sentry-opentelemetry-agentless` module or the `sentry-opentelemetry-agentless-spring` module if you are using Spring Boot.
+
+### `sentry-opentelemetry-agentless`
+Combines all modules and dependencies needed to use Sentry with OpenTelemetry without the agent.
+
+### `sentry-opentelemetry-agentless-spring`
+Combines all modules and dependencies needed to use Sentry with OpenTelemetry in Spring Boot without an agent.
+
+## Running without an Agent
+If you want to use Sentry with OpenTelemetry without an agent, you can do so by adding the `sentry-opentelemetry-agentless` (or `sentry-opentelemetry-agentless-spring`) module as dependency to your project. 
+
+And run your application with the following JVM arguments:
+```
+-Dotel.java.global-autoconfigure.enabled=true
+```
+You may also want to set the following environment variables to if you do not use OpenTelemetry exporters:
+`OTEL_LOGS_EXPORTER=none;OTEL_METRICS_EXPORTER=none;OTEL_TRACES_EXPORTER=none`
+
+Alternatively you can initialize OpenTelemetry programmatically like this:
+
+```java
+// Initialize OpenTelemetry by using the AutoConfiguredOpenTelemetrySdk which automatically
+// registers the `SentrySpanProcessor` and `SentryPropagator` and others.
+// Also, you need to disable the OTEL exporters if you do not use them.
+AutoConfiguredOpenTelemetrySdk.builder()
+  .setResultAsGlobal()
+  .addPropertiesSupplier(() -> {
+final Map<String, String> properties = new HashMap<>();
+    properties.put("otel.logs.exporter", "none");
+    properties.put("otel.metrics.exporter", "none");
+    properties.put("otel.traces.exporter", "none");
+    return properties;
+  })
+  .build();
+```
+
+And then initialize Sentry as usual:
+
+```java
+// Initialize Sentry
+Sentry.init(
+    options -> {
+    options.setDsn("...");
+      ...
+  }
+)
+```

sentry-opentelemetry/sentry-opentelemetry-agent/README.md

@@ -1,7 +1,5 @@
 # sentry-opentelemetry-agent
 
-*NOTE: Our OpenTelemetry modules are still experimental. Any feedback is welcome.*
-
 ## How to use it
 
 Download the latest `sentry-opentelemetry-agent.jar` and use it when launching your Java
@@ -21,30 +19,24 @@ For more details on configuring Sentry via `sentry.properties` please see the
 [docs page](https://docs.sentry.io/platforms/java/configuration/).
 
 As an alternative to the `SENTRY_PROPERTIES_FILE` environment variable you can provide individual
-settings as environment variables (e.g. `SENTRY_DSN=...`) or you may initialize `Sentry` inside
-your target application. If you do so, please make sure to set the `instrumenter` to `otel`, e.g.
-like this:
+settings as environment variables (e.g. `SENTRY_DSN=...`).
+
+## Controlling auto initialization of Sentry
+
+By default, if you pass either `SENTRY_DSN` or `SENTRY_PROPERTIES_FILE` as environment variable,
+Sentry will automatically be initialized by this agent. To disable this behaviour, you can set
+`SENTRY_AUTO_INIT=false` as environment variable. You will then have to use a Sentry SDK that takes care of initialization or initialize Sentry manually inside
+the target application:
 
 ```
 Sentry.init(
         options -> {
           options.setDsn("...");
           ...
-          options.setInstrumenter(Instrumenter.OTEL);
         }
 )
 ```
 
-Using the `otel` instrumenter will ensure `Sentry` instrumentation will be done via OpenTelemetry
-and integrations as well as direct interactions with transactions and spans have no effect.
-
-## Controlling auto initialization of Sentry
-
-By default if you pass either `SENTRY_DSN` or `SENTRY_PROPERTIES_FILE` as environment variable,
-Sentry will automatically be initialized by this agent. To disable this behaviour, you can set
-`SENTRY_AUTO_INIT=false` as environment variable. You will then have to initialize Sentry inside
-the target application.
-
 ## Debugging
 
 To enable debug logging for Sentry, please provide `SENTRY_DEBUG=true` as environment variable or
@@ -62,6 +54,7 @@ Example log message:
 ```
 ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export spans. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
 ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export metrics. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
+ERROR io.opentelemetry.exporter.internal.http.HttpExporter - Failed to export logs. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4318
 ```
 
 ### Traces
@@ -73,3 +66,8 @@ see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/
 
 To turn off exporting of metrics you can set `OTEL_METRICS_EXPORTER=none`
 see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters)
+
+### Logs
+
+To turn off log exporting, set `OTEL_LOGS_EXPORTER=none` 
+see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters).

sentry-opentelemetry/sentry-opentelemetry-agentless-spring/README.md

@@ -1,54 +1,20 @@
 # sentry-opentelemetry-agentless-spring
 
-*NOTE: Our OpenTelemetry modules are still experimental. Any feedback is welcome.*
+This module allows the use of Sentry with OpenTelemetry in SpringBoot without an agent by using the OpenTelemetry Spring Boot Starter.
+For guidance on when to use this module instead of the agent, please have a look at the [OpenTelemetry Spring Boot Starter documentation](https://opentelemetry.io/docs/zero-code/java/spring-boot-starter/).
 
 ## How to use it
 
-Add the latest `sentry-opentelemetry-agentless-spring` module as a dependency and add a `sentry.properties` 
-configuration file to your project that could look like this:
+Add the latest `sentry-opentelemetry-agentless-spring` module as a dependency to your Sentry enabled [SpringBoot](https://docs.sentry.io/platforms/java/guides/spring-boot/) application and add the following to your `application.properties`:
 
 ```properties
-# NOTE: Replace the test DSN below with YOUR OWN DSN to see the events from this app in your Sentry project/dashboard
-dsn=https://[email protected]/5428563
-traces-sample-rate=1.0
+# OTEL configuration
+otel.propagators=tracecontext,baggage,sentry
+otel.logs.exporter=none
+otel.metrics.exporter=none
+otel.traces.exporter=none
 ```
 
-For more details on configuring Sentry via `sentry.properties` please see the
-[docs page](https://docs.sentry.io/platforms/java/configuration/).
+This module will automatically configure OpenTelemetry and Sentry for you.
 
-As an alternative to the `SENTRY_PROPERTIES_FILE` environment variable you can provide individual
-settings as environment variables (e.g. `SENTRY_DSN=...`) or you may initialize `Sentry` inside
-your target application. If you do so, please make sure to apply OpenTelemetry specific options, e.g.
-like this:
-
-```
-Sentry.init(
-        options -> {
-          options.setDsn("...");
-          ...
-          OpenTelemetryUtil.applyOpenTelemetryOptions(options, false);
-        }
-)
-```
-
-## Getting rid of exporter error messages
-
-In case you are using this module without needing to use any OpenTelemetry exporters you can add
-the following environment variables to turn off exporters and stop seeing error messages about 
-servers not being reachable in the logs.
-
-Example log message:
-```
-ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export spans. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
-ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export metrics. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
-```
-
-### Traces
-
-To turn off exporting of traces you can set `OTEL_TRACES_EXPORTER=none`
-see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters)
-
-### Metrics
-
-To turn off exporting of metrics you can set `OTEL_METRICS_EXPORTER=none`
-see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters)
+With the dependency and configuration in place, just run your SpringBoot application as usual.

sentry-opentelemetry/sentry-opentelemetry-agentless/README.md

@@ -1,7 +1,5 @@
 # sentry-opentelemetry-agentless
 
-*NOTE: Our OpenTelemetry modules are still experimental. Any feedback is welcome.*
-
 ## How to use it
 
 Add the latest `sentry-opentelemetry-agentless` module as a dependency and add a `sentry.properties` 
@@ -17,38 +15,42 @@ For more details on configuring Sentry via `sentry.properties` please see the
 [docs page](https://docs.sentry.io/platforms/java/configuration/).
 
 As an alternative to the `SENTRY_PROPERTIES_FILE` environment variable you can provide individual
-settings as environment variables (e.g. `SENTRY_DSN=...`) or you may initialize `Sentry` inside
-your target application. If you do so, please make sure to apply OpenTelemetry specific options, e.g.
-like this:
+settings as environment variables (e.g. `SENTRY_DSN=...`).
 
+Run your application with the following JVM arguments:
 ```
-Sentry.init(
-        options -> {
-          options.setDsn("...");
-          ...
-          OpenTelemetryUtil.applyOpenTelemetryOptions(options, false);
-        }
-)
+-Dotel.java.global-autoconfigure.enabled=true
 ```
 
-## Getting rid of exporter error messages
-
-In case you are using this module without needing to use any OpenTelemetry exporters you can add
-the following environment variables to turn off exporters and stop seeing error messages about 
-servers not being reachable in the logs.
-
-Example log message:
-```
-ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export spans. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
-ERROR io.opentelemetry.exporter.internal.grpc.OkHttpGrpcExporter - Failed to export metrics. The request could not be executed. Full error message: Failed to connect to localhost/[0:0:0:0:0:0:0:1]:4317
+You may also want to set the following environment variables to if you do not use OpenTelemetry exporters:
+`OTEL_LOGS_EXPORTER=none;OTEL_METRICS_EXPORTER=none;OTEL_TRACES_EXPORTER=none`
+
+Alternatively you can initialize OpenTelemetry programmatically like this:
+
+```java
+// Initialize OpenTelemetry by using the AutoConfiguredOpenTelemetrySdk which automatically
+// registers the `SentrySpanProcessor` and `SentryPropagator` and others.
+// Also, you need to disable the OTEL exporters if you do not use them.
+AutoConfiguredOpenTelemetrySdk.builder()
+  .setResultAsGlobal()
+  .addPropertiesSupplier(() -> {
+final Map<String, String> properties = new HashMap<>();
+    properties.put("otel.logs.exporter", "none");
+    properties.put("otel.metrics.exporter", "none");
+    properties.put("otel.traces.exporter", "none");
+    return properties;
+  })
+  .build();
 ```
 
-### Traces
+If you're not using `sentry.properties` or environment variables you can then initialize Sentry programmatically as usual:
 
-To turn off exporting of traces you can set `OTEL_TRACES_EXPORTER=none`
-see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters)
-
-### Metrics
-
-To turn off exporting of metrics you can set `OTEL_METRICS_EXPORTER=none`
-see [OpenTelemetry GitHub](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#otlp-exporter-span-metric-and-log-exporters)
+```java
+// Initialize Sentry
+Sentry.init(
+    options -> {
+    options.setDsn("...");
+      ...
+  }
+)
+```

sentry-samples/sentry-samples-console-opentelemetry-noagent/README.md

@@ -1,6 +1,6 @@
 # Sentry Sample Console
 
-Sample application showing how to use Sentry manually without any framework integration.
+Sample application showing how to use Sentry with OpenTelemetry manually without any framework integration and without java agent.
 
 ## How to run? 
 

sentry-samples/sentry-samples-spring-boot-jakarta-opentelemetry-noagent/README.md

@@ -1,6 +1,6 @@
 # Sentry Sample Spring Boot 3.0+
 
-Sample application showing how to use Sentry with [Spring boot](http://spring.io/projects/spring-boot) from version `3.0` onwards.
+Sample application showing how to use Sentry with [Spring boot](http://spring.io/projects/spring-boot) from version `3.0` onwards integrated with the [OpenTelemetry Spring Boot Starter](https://opentelemetry.io/docs/zero-code/java/spring-boot-starter/) without an agent.
 
 ## How to run? 
 

sentry-samples/sentry-samples-spring-boot-jakarta-opentelemetry-noagent/src/main/resources/application.properties

@@ -31,4 +31,8 @@ spring.graphql.graphiql.enabled=true
 spring.graphql.websocket.path=/graphql
 spring.quartz.job-store-type=memory
 
+# OTEL configuration
 otel.propagators=tracecontext,baggage,sentry
+otel.logs.exporter=none
+otel.metrics.exporter=none
+otel.traces.exporter=none

sentry-samples/sentry-samples-spring-boot-opentelemetry-noagent/README.md

@@ -1,6 +1,6 @@
 # Sentry Sample Spring Boot
 
-Sample application showing how to use Sentry with [Spring boot](http://spring.io/projects/spring-boot).
+Sample application showing how to use Sentry with [Spring boot](http://spring.io/projects/spring-boot)  integrated with the [OpenTelemetry Spring Boot Starter](https://opentelemetry.io/docs/zero-code/java/spring-boot-starter/).
 
 ## How to run? 
 

sentry-samples/sentry-samples-spring-boot-opentelemetry-noagent/src/main/resources/application.properties

@@ -23,3 +23,9 @@ spring.datasource.username=sa
 spring.datasource.password=
 spring.graphql.graphiql.enabled=true
 spring.graphql.websocket.path=/graphql
+
+# OTEL configuration
+otel.propagators=tracecontext,baggage,sentry
+otel.logs.exporter=none
+otel.metrics.exporter=none
+otel.traces.exporter=none