remove examples, because the upstream spring starter has great spring coverage now

.github/renovate.json5

@@ -47,31 +47,6 @@
       matchPackageNames: [ "nodejs"],
       enabled: false
     },
-    {
-      // keep spring 2 examples
-      "matchFileNames": [
-        "examples/**/build.gradle",
-      ],
-      "matchPackagePrefixes": [
-        "org.springframework.boot:",
-        "io.spring.dependency-management",
-        "redis.clients:"
-        // spring 2 examples can't use the next major version
-      ],
-      "matchUpdateTypes": [
-        "major"
-      ],
-      "enabled": false
-    },
-    {
-      "matchFileNames": [
-        "examples/**/build.gradle",
-      ],
-      "labels": [
-        "oats"
-      ],
-      "groupName": "examples"
-    }
   ],
   "vulnerabilityAlerts": {
     "enabled": true,
@@ -105,17 +80,5 @@
         "# renovate: datasource=(?<datasource>[a-z-]+?)(?: depName=(?<depName>.+?))? packageName=(?<packageName>.+?)(?: versioning=(?<versioning>[a-z-]+?))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
       ]
     },
-    {
-      "customType": "regex",
-      "description": "Update release in run-example.sh",
-      "depNameTemplate": "grafana/grafana-opentelemetry-java",
-      "datasourceTemplate": "github-releases",
-      "fileMatch": [
-        "^examples/run-example.sh$",
-      ],
-      "matchStrings": [
-        "RELEASE=(?<currentValue>[^\\s]+)"
-      ]
-    }
   ]
 }

CONTRIBUTING.md

@@ -23,16 +23,6 @@ javaagent.jar as well as our custom extension.
 - Markdown link checker: `find . -name '*.md' -print0 | xargs -0 -n1 markdown-link-check -c .markdown-link-check.json`
   (requires [markdown-link-check](https://github.com/tcort/markdown-link-check))
 
-## Debugging
-
-If one of the test applications in the "examples" directory fails to produce the right telemetry
-(usually detected by the oats test), you can run the application with the javaagent attached to it
-by adding the following command line arguments:
-
-```sh
-./run.sh --attachDebugger --debugLogging --debugInstrumentations --includeAllInstrumentations
-```
-
 ## Smoke Tests
 
 Smoke tests test the entire javaagent distribution, including the custom extension. To run the smoke tests,
@@ -42,39 +32,14 @@ run the following command:
 SMOKE_TEST_JAVA_VERSION=8 ./gradlew :smoke-tests:test
 ```
 
-## Acceptance Tests
-
-Unlike smoke tests, acceptance tests are only run if the pull request has the "oats" label.
-
-Acceptance test cases are defined in `oats.yaml` files in the examples directory. The test cases are run by [oats].
-The declarative yaml tests are described in <https://github.com/grafana/oats/blob/main/yaml>.
-
-If a test case fails (lets say "examples/jdbc/spring-boot-reactive-2"), follows these steps:
-
-1. Check out the [oats] repo
-2. Go to the oats folder
-3. `cd yaml`
-4. Install ginkgo: `go install github.com/onsi/ginkgo/v2/ginkgo`
-5. `TESTCASE_TIMEOUT=2h TESTCASE_BASE_PATH=/path/to/this/repo/examples ginkgo -v -r -focus 'jdbc-spring-boot-reactive-2'`
-6. go to <http://localhost:3000> and login with admin/admin
-
-Use `-focus 'yaml'` to run all acceptance tests.
-
-Also see [Java specific options](https://github.com/grafana/oats/blob/main/yaml/README.md#java-specific-options)
-for additional options.
-
 ### Common problems
 
-First, check the [java specific oats options](https://github.com/grafana/oats/tree/main/yaml#java-specific-options),
-which can be used for debugging.
-
 #### Instrumentation not included
 
 Check if the test passes with `TESTCASE_INCLUDE_ALL_INSTRUMENTATIONS=true`.
 
 If yes, check what the instrumentation scope is, and include this instrumentation in the list of
-[tested instrumentations](./README.md#tested-instrumentations). You should also include a test case
-for this instrumentation, similar to the other tests in the examples directory.
+[tested instrumentations](https://github.com/grafana/grafana-opentelemetry-java/blob/main/custom/src/main/java/com/grafana/extensions/instrumentations/Instrumentations.java).
 
 Where you can find the instrumentation scope:
 
@@ -85,20 +50,7 @@ Where you can find the instrumentation scope:
 
 See [RELEASING](RELEASING.md).
 
-## Debugging GitHub Actions
-
-GitHub Actions for Acceptance test store the output log files - which can be found in the artifacts section of the
-GitHub Actions run.
-
-- If you need more files, you can change the `path` for `actions/upload-artifact@v3` in acceptance-tests.yml.
-- If you want to run a single test only, you can change the ginkgo command in run-acceptance-tests.sh to
-  e.g. `ginkgo -v -r -focus 'redis-spring-boot-reactive-2'`.
-
-![oats acceptance tests](./docs/oats-logs.png)
-
 ## Known Issues
 
 The tests occasionally fail due to TestContainers not starting in time.  Please rerun the build for now, until a new
 wait strategy can be determined.
-
-[oats]: https://github.com/grafana/oats

custom/build.gradle

@@ -56,73 +56,5 @@ public class DistributionVersion {
   }
 }
 
-//private String[] readmeLines() {
-//  // scrape the table from https://grafana.com/docs/grafana-cloud/monitor-applications/application-observability/setup/instrument/java/ once published
-////  return new File("${projectDir}/../README.md").text.split("\n")
-//}
-//
-//task manageTestedInstrumentationsClass() {
-//  doLast {
-//    def instrumentations = readmeLines()
-//      .dropWhile { !it.startsWith("| ID") }
-//      .takeWhile { it.startsWith("|") }
-//      .drop(2)
-//      .collect { "          \"${it.split("\\|")[1].trim()}\"" }
-//      .join(",\n")
-//
-//    updateGeneratedFile(new File("${projectDir}/src/main/java/com/grafana/extensions/instrumentations", "Instrumentations.java"), """/*
-// * Copyright Grafana Labs
-// * SPDX-License-Identifier: Apache-2.0
-// */
-//
-//package com.grafana.extensions.instrumentations;
-//
-//// This class is generated from README.md in custom/build.gradle.  Do not edit.
-//
-//import java.util.Arrays;
-//import java.util.List;
-//
-//public class Instrumentations {
-//
-//  public static final List<String> TESTED_INSTRUMENTATIONS =
-//      Arrays.asList(
-//$instrumentations);
-//}
-//""")
-//  }
-//}
-//
-//task manageDefaultMetricsClass() {
-//  doLast {
-//    def metrics = readmeLines()
-//      .dropWhile { !it.startsWith("| Metric") }
-//      .takeWhile { it.startsWith("|") }
-//      .drop(2)
-//      .collect { "          \"${it.split("\\|")[1].trim()}\"" }
-//      .join(",\n")
-//
-//    updateGeneratedFile(new File("${projectDir}/src/main/java/com/grafana/extensions/filter", "DefaultMetrics.java"), """/*
-// * Copyright Grafana Labs
-// * SPDX-License-Identifier: Apache-2.0
-// */
-//
-//package com.grafana.extensions.filter;
-//
-//// This class is generated from README.md in custom/build.gradle.  Do not edit.
-//
-//import java.util.Arrays;
-//import java.util.List;
-//
-//public class DefaultMetrics {
-//
-//  public static final List<String> DEFAULT_METRICS =
-//      Arrays.asList(
-//$metrics);
-//}
-//""")
-//  }
-//}
-
-//compileJava.dependsOn(manageVersionClass, manageTestedInstrumentationsClass, manageDefaultMetricsClass)
 compileJava.dependsOn(manageVersionClass)
 

custom/src/main/java/com/grafana/extensions/instrumentations/Instrumentations.java

@@ -5,8 +5,6 @@
 
 package com.grafana.extensions.instrumentations;
 
-// This class is generated from README.md in custom/build.gradle.  Do not edit.
-
 import java.util.Arrays;
 import java.util.List;