Enable Develocity build scans (#866)

Author: trask

.github/workflows/build.yml

@@ -39,6 +39,8 @@ jobs:
 
       - name: Build
         run: ./gradlew clean check shadowJar
+        env:
+          DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
 
       - run: java -cp sdk-usage/build/libs/opentelemetry-examples-sdk-usage-0.1.0-SNAPSHOT-all.jar io.opentelemetry.sdk.example.ConfigureSpanProcessorExample
 
@@ -63,6 +65,8 @@ jobs:
         run: |
           export OTEL_EXPERIMENTAL_CONFIG_FILE=$(pwd)/otel-sdk-config.yaml
           ../gradlew run
+        env:
+          DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
 
   # this is not a required check to avoid blocking pull requests if external links break
   link-check:

.github/workflows/codeql.yml

@@ -55,6 +55,8 @@ jobs:
         # --no-daemon is required for codeql to observe the compilation
         # (see https://docs.github.com/en/code-security/codeql-cli/getting-started-with-the-codeql-cli/preparing-your-code-for-codeql-analysis#specifying-build-commands)
         run: ./gradlew assemble --no-build-cache --no-daemon
+        env:
+          DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
 
       - name: Perform CodeQL analysis
         uses: github/codeql-action/analyze@16140ae1a102900babc80a33c44059580f687047 # v4.30.9

settings.gradle.kts

@@ -14,11 +14,46 @@ plugins {
     id("com.gradle.develocity")
 }
 
+val develocityServer = "https://develocity.opentelemetry.io"
+val isCI = System.getenv("CI") != null
+val develocityAccessKey = System.getenv("DEVELOCITY_ACCESS_KEY") ?: ""
+
+// if develocity access key is not given and we are in CI, then we publish to scans.gradle.com
+val useScansGradleCom = isCI && develocityAccessKey.isEmpty()
+
 develocity {
+    if (useScansGradleCom) {
+        buildScan {
+            termsOfUseUrl = "https://gradle.com/help/legal-terms-of-use"
+            termsOfUseAgree = "yes"
+        }
+    } else {
+        server = develocityServer
+        buildScan {
+            publishing.onlyIf { it.isAuthenticated }
+        }
+    }
+
     buildScan {
-        publishing.onlyIf { System.getenv("CI") != null }
-        termsOfUseUrl.set("https://gradle.com/help/legal-terms-of-use")
-        termsOfUseAgree.set("yes")
+        uploadInBackground = !isCI
+
+        capture {
+            fileFingerprints = true
+        }
+
+        buildScanPublished {
+            java.io.File("build-scan.txt").printWriter().use { writer ->
+                writer.println(buildScanUri)
+            }
+        }
+    }
+}
+
+if (!useScansGradleCom) {
+    buildCache {
+        remote(develocity.buildCache) {
+            isPush = isCI && develocityAccessKey.isNotEmpty()
+        }
     }
 }