chore: CI Improvements

.github/workflows/build.yml

@@ -29,6 +29,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@f68fdb76e2ea636224182cfb7377ff9a1708f9b8 # v1.3.0
+        with:
+          android: true
+          dotnet: false
+          haskell: true
+          large-packages: false
+          docker-images: false
+          swap-storage: true
+
       - name: Checkout submodules
         run: git submodule update --init --recursive src/sentry-dotnet
 
@@ -38,17 +48,13 @@ jobs:
         env:
           UNITY_SCRIPT_ARG: unity${{ env.UNITY_VERSION }}
 
-      - run: echo "::add-mask::$LICENSE_SERVER_URL"
-        env:
-          LICENSE_SERVER_URL: ${{ secrets.LICENSE_SERVER_URL }}
-
-      - name: Restore Unity Packages
-        uses: actions/cache@2f8e54208210a422b2efd51efaa6bd6d7ca8920f # v3
+      - name: Cache Unity Library
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
         with:
-          path: |
-            samples/unity-of-bugs/Library/Packages
-            temp/unity-packages/Library/ScriptAssemblies/*.TestRunner.*
-          key: samples/unity-of-bugs|${{ steps.env.outputs.unityVersion }}-${{ hashFiles('samples/unity-of-bugs/Packages/packages-lock.json') }}
+          path: samples/unity-of-bugs/Library
+          key: Library-unity-of-bugs-${{ steps.env.outputs.unityVersion }}-v1
+          restore-keys: |
+            Library-unity-of-bugs-${{ steps.env.outputs.unityVersion }}-
 
       - name: Docker Login
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # pinned v3
@@ -72,11 +78,6 @@ jobs:
       - name: Restore .NET Workload
         run: dotnet workload restore
 
-      - name: Install Android dotnet workflow
-        run: dotnet workload install android --temp-dir "$RUNNER_TEMP"
-        env:
-          RUNNER_TEMP: ${{ env.RUNNER_TEMP }}
-
       - name: Download CLI
         run: ./scripts/download-sentry-cli.ps1
 
@@ -134,9 +135,7 @@ jobs:
             package-release.zip
 
       - name: Run Unity tests (playmode)
-        run: |
-          docker exec unity dotnet msbuild /t:UnityConfigureSentryOptions /p:TestDsn= /p:Configuration=Release /p:OutDir=other src/Sentry.Unity
-          docker exec unity dotnet msbuild /t:UnityPlayModeTest /p:Configuration=Release /p:OutDir=other test/Sentry.Unity.Tests
+        run: docker exec unity dotnet msbuild /t:UnityPlayModeTest /p:Configuration=Release /p:OutDir=other test/Sentry.Unity.Tests
 
       - name: Run Unity tests (editmode)
         run: docker exec unity dotnet msbuild /t:UnityEditModeTest /p:Configuration=Release /p:OutDir=other test/Sentry.Unity.Editor.Tests

.github/workflows/ci.yml

@@ -133,10 +133,6 @@ jobs:
           docker-images: false
           swap-storage: true
 
-      - run: echo "::add-mask::$LICENSE_SERVER_URL"
-        env:
-          LICENSE_SERVER_URL: ${{ secrets.LICENSE_SERVER_URL }}
-
       - name: Docker Login
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # pinned v3
         with:
@@ -162,6 +158,15 @@ jobs:
       - name: Extract project archive
         run: tar -xvzf test-project.tar.gz
 
+      - name: Cache Unity Library
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        with:
+          path: samples/IntegrationTest/Library
+          key: Library-IntegrationTest-${{ matrix.platform }}-${{ matrix.unity-version }}-v1
+          restore-keys: |
+            Library-IntegrationTest-${{ matrix.platform }}-${{ matrix.unity-version }}-
+            Library-IntegrationTest-${{ matrix.platform }}-
+
       - name: Restore cached build without Sentry
         id: cache-build-nosentry
         uses: actions/cache@v4
@@ -393,10 +398,6 @@ jobs:
           unity-version: ${{ steps.env.outputs.unityVersion }}
           unity-modules: ${{ matrix.unity-modules }}
 
-      - run: echo "::add-mask::$LICENSE_SERVER_URL"
-        env:
-          LICENSE_SERVER_URL: ${{ secrets.LICENSE_SERVER_URL }}
-
       - name: Create Unity license config
         run: |
           New-Item -Path "$env:UNITY_CONFIG_PATH" -ItemType Directory
@@ -413,6 +414,15 @@ jobs:
       - name: Extract project archive
         run: tar -xvzf test-project.tar.gz
 
+      - name: Cache Unity Library
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        with:
+          path: samples/IntegrationTest/Library
+          key: Library-IntegrationTest-${{ matrix.os }}-${{ matrix.unity-version }}-v1
+          restore-keys: |
+            Library-IntegrationTest-${{ matrix.os }}-${{ matrix.unity-version }}-
+            Library-IntegrationTest-${{ matrix.os }}-
+
       - name: Restore cached build without Sentry
         id: cache-build-nosentry
         uses: actions/cache@v4

.github/workflows/sdk.yml

@@ -81,11 +81,13 @@ jobs:
           DEBIAN_FRONTEND: noninteractive
 
       - name: Install .NET SDK
+        if: ${{ steps.cache.outputs.cache-hit != 'true' }}
         uses: actions/setup-dotnet@d4c94342e560b34958eacfc5d055d21461ed1c5d # v5
         with:
           global-json-file: global.json
 
       - name: Restore .NET Workload
+        if: ${{ steps.cache.outputs.cache-hit != 'true' }}
         run: dotnet workload restore
 
       - name: Build

.github/workflows/smoke-test-build-android.yml

@@ -24,10 +24,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
-      - run: echo "::add-mask::$LICENSE_SERVER_URL"
-        env:
-          LICENSE_SERVER_URL: ${{ secrets.LICENSE_SERVER_URL }}
-
       - name: Docker Login
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # pinned v3
         with:
@@ -49,6 +45,15 @@ jobs:
       - name: Extract project archive
         run: tar -xvzf test-project.tar.gz
 
+      - name: Cache Unity Library
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        with:
+          path: samples/IntegrationTest/Library
+          key: Library-IntegrationTest-Android-${{ env.UNITY_VERSION }}-v1
+          restore-keys: |
+            Library-IntegrationTest-Android-${{ env.UNITY_VERSION }}-
+            Library-IntegrationTest-Android-
+
       - name: Restore cached build without Sentry
         id: cache-build-nosentry
         uses: actions/cache@v4

.github/workflows/smoke-test-build-ios.yml

@@ -30,10 +30,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
-      - run: echo "::add-mask::$LICENSE_SERVER_URL"
-        env:
-          LICENSE_SERVER_URL: ${{ secrets.LICENSE_SERVER_URL }}
-
       - name: Docker Login
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # pinned v3
         with:
@@ -55,6 +51,15 @@ jobs:
       - name: Extract project archive
         run: tar -xvzf test-project.tar.gz
 
+      - name: Cache Unity Library
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        with:
+          path: samples/IntegrationTest/Library
+          key: Library-IntegrationTest-iOS-${{ env.UNITY_VERSION }}-v1
+          restore-keys: |
+            Library-IntegrationTest-iOS-${{ env.UNITY_VERSION }}-
+            Library-IntegrationTest-iOS-
+
       - name: Restore cached build without Sentry
         id: cache-build-nosentry
         uses: actions/cache@v4
@@ -96,21 +101,21 @@ jobs:
         env:
           BUILD_PLATFORM: ${{ matrix.build_platform }}
 
-      - name: Build Project
+      - name: Build Project with runtime initialization
         run: ./test/Scripts.Integration.Test/build-project.ps1 -UnityPath "$env:UNITY_PATH" -Platform "$env:BUILD_PLATFORM" -CheckSymbols:$false -UnityVersion "$env:UNITY_VERSION"
         env:
           BUILD_PLATFORM: ${{ matrix.build_platform }}
 
       # We create tar explicitly because upload-artifact is slow for many files.
-      - name: Create archive
+      - name: Create archive (runtime initialization)
         shell: bash
         run: |
           # Note: remove local.properties file that contains Android SDK & NDK paths in the Unity installation.
           rm -rf samples/IntegrationTest/Build/*_BackUpThisFolder_ButDontShipItWithYourGame
           tar -cvzf test-app-runtime.tar.gz samples/IntegrationTest/Build
 
       # Upload runtime initialization build
-      - name: Upload test app
+      - name: Upload test app (runtime initialization)
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: testapp-ios-${{ env.UNITY_VERSION }}-runtime
@@ -125,7 +130,7 @@ jobs:
           $content = $content -replace 'IosNativeInitializationType = NativeInitializationType.Runtime', 'IosNativeInitializationType = NativeInitializationType.BuildTime'
           Set-Content $optionsPath $content
 
-      - name: Build Project for mobile platforms (build-time initialization)
+      - name: Build Project with build-time initialization
         run: ./test/Scripts.Integration.Test/build-project.ps1 -UnityPath "$env:UNITY_PATH" -Platform "$env:BUILD_PLATFORM" -CheckSymbols:$false -UnityVersion "$env:UNITY_VERSION"
         env:
           BUILD_PLATFORM: ${{ matrix.build_platform }}

.github/workflows/smoke-test-create.yml

@@ -34,13 +34,24 @@ jobs:
         username: ${{ env.GITHUB_ACTOR }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
+    - name: Cache IntegrationTest Project
+      id: cache-project
+      uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+      with:
+        path: samples/IntegrationTest
+        key: IntegrationTest-Project-${{ env.UNITY_VERSION }}-${{ hashFiles('test/Scripts.Integration.Test/**') }}-v1
+        restore-keys: |
+          IntegrationTest-Project-${{ env.UNITY_VERSION }}-
+
     - name: Start the Unity docker container
+      if: steps.cache-project.outputs.cache-hit != 'true'
       run: ./scripts/ci-docker.sh "$UNITY_VERSION" 'base' "$UNITY_LICENSE_SERVER_CONFIG"
       shell: bash
       env:
         UNITY_LICENSE_SERVER_CONFIG: ${{ secrets.UNITY_LICENSE_SERVER_CONFIG }}
 
     - name: Create new Project
+      if: steps.cache-project.outputs.cache-hit != 'true'
       run: ./test/Scripts.Integration.Test/create-project.ps1 -UnityPath "$env:UNITY_PATH"
 
     # We create tar explicitly because upload-artifact is slow for many files.

scripts/ci-docker.sh

@@ -26,9 +26,15 @@ fi
 echo "Starting up '$image' as '$container'"
 suexec="docker exec --user root"
 
+# Format: <job-name>-<image-variant>-<run-id>
+uniqueHostname="${GITHUB_JOB:-local}-${imageVariant}-${GITHUB_RUN_ID:-0}"
+# Sanitize hostname: replace underscores and spaces with hyphens, ensure lowercase
+uniqueHostname=$(echo "$uniqueHostname" | tr '[:upper:]_ ' '[:lower:]--' | tr -s '-')
+
 # We use the host dotnet installation - it's much faster than installing inside the docker container.
 set -x
 docker run -td --name $container \
+    --hostname $uniqueHostname \
     --user $uid:$gid \
     -v "$cwd":/sentry-unity \
     -v $ANDROID_HOME:$ANDROID_HOME \
@@ -39,6 +45,10 @@ docker run -td --name $container \
     -e GITHUB_ACTIONS="${GITHUB_ACTIONS}" \
     --workdir /sentry-unity $image
 
+# Generate unique machine-id to avoid any hardcoded values and license-fetch congestion
+$suexec $container rm -f /etc/machine-id
+$suexec $container dbus-uuidgen --ensure=/etc/machine-id
+
 $suexec $container groupadd -g $gid $user
 $suexec $container useradd -u $uid -g $gid --create-home $user
 
@@ -50,9 +60,7 @@ echo $licenseConfig | $suexec -i $container sh -c "cat > /usr/share/unity3d/conf
 $suexec $container chown -R $uid /usr/share/unity3d/config/
 
 # Unity 2021+ tries to write to this directory during asset import...
-if [[ $unityPrefix -ge 2021 ]]; then
-    $suexec $container chmod -R 755 /opt/unity/Editor/Data/UnityReferenceAssemblies/
-fi
+$suexec $container chmod -R 755 /opt/unity/Editor/Data/UnityReferenceAssemblies/
 
 echo "Container started successfully: "
 docker ps --filter "name=^/$container$"

test/Scripts.Integration.Test/Editor/Builder.cs

@@ -154,6 +154,18 @@ public static void BuildLinuxIl2CPPPlayer()
     public static void BuildAndroidIl2CPPPlayer()
     {
         Debug.Log("Builder: Building Android IL2CPP Player");
+
+#if UNITY_2021_2_OR_NEWER && !UNITY_6000_0_OR_NEWER
+        // Clean Android gradle cache to force regeneration of gradle files
+        // This prevents Unity from reusing gradle files that may contain Sentry symbol upload tasks from previous builds
+        var androidGradlePath = Path.Combine(Directory.GetCurrentDirectory(), "Library/Bee/Android");
+        if (Directory.Exists(androidGradlePath))
+        {
+            Debug.Log($"Builder: Cleaning Android gradle cache at '{androidGradlePath}'");
+            Directory.Delete(androidGradlePath, true);
+        }
+#endif
+
         BuildIl2CPPPlayer(BuildTarget.Android, BuildTargetGroup.Android, BuildOptions.StrictMode);
     }
     public static void BuildAndroidIl2CPPProject()