WIP: fix: support musl on Linux

.github/actions/environment/action.yml

@@ -19,11 +19,13 @@ runs:
 
     # Needed for Android SDK setup step
     - uses: actions/setup-java@v3
+      if: ${{ !matrix.container }}
       with:
         distribution: 'temurin'
         java-version: '17'
 
     - name: Setup Android SDK
+      if: ${{ !matrix.container }}
       uses: android-actions/setup-android@07976c6290703d34c16d382cb36445f98bb43b1f # v3.2.0
       with:
         log-accepted-android-sdk-licenses: false
@@ -41,6 +43,7 @@ runs:
         cd -
 
     - name: Set Java Version
+      if: ${{ !matrix.container }}
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin'

.github/actions/freediskspace/action.yml

@@ -23,7 +23,7 @@ runs:
       if: runner.os == 'Linux'
       shell: bash
       run: |
-        df -h /dev/root
+        df -h / # df: /dev/root: can't find mount point
         sudo rm -rf /usr/local/.ghcup
         sudo rm -rf /usr/local/julia1.10.5
         sudo rm -rf /usr/lib/heroku
@@ -32,4 +32,4 @@ runs:
         sudo apt-get remove -y '^mysql-.*' --fix-missing || echo "::warning::The command [sudo apt-get remove -y '^mysql-.*' --fix-missing] failed to complete successfully. Proceeding..."
         sudo apt-get autoremove -y || echo "::warning::The command [sudo apt-get autoremove -y] failed to complete successfully. Proceeding..."
         sudo apt-get clean || echo "::warning::The command [sudo apt-get clean] failed to complete successfully. Proceeding..."
-        df -h /dev/root
+        df -h / # df: /dev/root: can't find mount point

.github/workflows/build.yml

@@ -11,14 +11,20 @@ on:
 
 jobs:
   build-sentry-native:
-    name: sentry-native (${{ matrix.os }})
+    name: sentry-native (${{ matrix.container || matrix.os }})
     runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
     strategy:
       fail-fast: false
       matrix:
-        # Pin ubuntu to ensure mono is installed
-        # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
-        os: [ubuntu-22.04, windows-latest, macos-15]
+        include:
+          - os: ubuntu-22.04 # Pin ubuntu to ensure mono is installed
+            target: Linux
+          - os: ubuntu-latest
+            container: ghcr.io/jpnurmi/alpine:3.19 # TODO: getsentry
+            target: Linux-musl
+          - os: windows-latest
+          - os: macos-15 # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
 
     steps:
       - name: Checkout
@@ -30,14 +36,14 @@ jobs:
         id: cache
         with:
           path: src/Sentry/Platforms/Native/sentry-native
-          key: sentry-native-${{ runner.os }}-${{ hashFiles('scripts/build-sentry-native.ps1') }}-${{ hashFiles('.git/modules/modules/sentry-native/HEAD') }}
+          key: sentry-native-${{ matrix.target || runner.os }}-${{ hashFiles('scripts/build-sentry-native.ps1') }}-${{ hashFiles('.git/modules/modules/sentry-native/HEAD') }}
           enableCrossOsArchive: true
 
       - name: Remove unused applications
         uses: ./.github/actions/freediskspace
 
       - name: Install build dependencies
-        if: steps.cache.outputs.cache-hit != 'true' && runner.os == 'Linux'
+        if: steps.cache.outputs.cache-hit != 'true' && runner.os == 'Linux' && !matrix.container
         run: |
           sudo apt update
           sudo apt install libcurl4-openssl-dev
@@ -48,15 +54,21 @@ jobs:
 
   build:
     needs: build-sentry-native
-    name: .NET (${{ matrix.os }})
+    name: .NET (${{ matrix.container || matrix.os }})
     runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
 
     strategy:
       fail-fast: false
       matrix:
-        # Pin ubuntu to ensure mono is installed
-        # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
-        os: [ubuntu-22.04, windows-latest, macos-15]
+        include:
+          - os: ubuntu-22.04 # Pin ubuntu to ensure mono is installed
+            target: Linux
+          - os: ubuntu-latest
+            container: ghcr.io/jpnurmi/alpine:3.21 # TODO: getsentry
+            target: Linux-musl
+          - os: windows-latest
+          - os: macos-15 # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
 
     steps:
       - name: Cancel Previous Runs
@@ -78,13 +90,21 @@ jobs:
         run: echo "CI_PUBLISHING_BUILD=true" >> $GITHUB_ENV
 
       - name: Download sentry-native (Linux)
-        if: ${{ (env.CI_PUBLISHING_BUILD == 'true') || (runner.os == 'Linux') }}
+        if: ${{ (env.CI_PUBLISHING_BUILD == 'true') || (matrix.target == 'Linux') }}
         uses: actions/cache/restore@v4
         with:
           path: src/Sentry/Platforms/Native/sentry-native
           key: sentry-native-Linux-${{ hashFiles('scripts/build-sentry-native.ps1') }}-${{ hashFiles('.git/modules/modules/sentry-native/HEAD') }}
           fail-on-cache-miss: true
 
+      - name: Download sentry-native (Linux musl)
+        if: ${{ (env.CI_PUBLISHING_BUILD == 'true') || (matrix.target == 'Linux-musl') }}
+        uses: actions/cache/restore@v4
+        with:
+          path: src/Sentry/Platforms/Native/sentry-native
+          key: sentry-native-Linux-musl-${{ hashFiles('scripts/build-sentry-native.ps1') }}-${{ hashFiles('.git/modules/modules/sentry-native/HEAD') }}
+          fail-on-cache-miss: true
+
       - name: Download sentry-native (macOS)
         if: ${{ (env.CI_PUBLISHING_BUILD == 'true') || (runner.os == 'macOS') }}
         uses: actions/cache/restore@v4
@@ -106,24 +126,25 @@ jobs:
         uses: ./.github/actions/environment
 
       - name: Build Native Dependencies
+        if: ${{ !matrix.container }}
         uses: ./.github/actions/buildnative
 
       - name: Restore .NET Dependencies
-        run: dotnet restore Sentry-CI-Build-${{ runner.os }}.slnf --nologo
+        run: dotnet restore Sentry-CI-Build-${{ matrix.target || runner.os }}.slnf --nologo
 
       - name: Build
         id: build
-        run: dotnet build Sentry-CI-Build-${{ runner.os }}.slnf -c Release --no-restore --nologo -v:minimal -flp:logfile=build.log -p:CopyLocalLockFileAssemblies=true -bl:build.binlog
+        run: dotnet build Sentry-CI-Build-${{ matrix.target || runner.os }}.slnf -c Release --no-restore --nologo -v:minimal -flp:logfile=build.log -p:CopyLocalLockFileAssemblies=true -bl:build.binlog
 
       - name: Upload build logs
         if: ${{ steps.build.outcome != 'skipped' }}
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ runner.os }}-build-logs
+          name: ${{ matrix.target || runner.os }}-build-logs
           path: build.binlog
 
       - name: Test
-        run: dotnet test Sentry-CI-Build-${{ runner.os }}.slnf -c Release --no-build --nologo -l GitHubActions -l "trx;LogFilePrefix=testresults_${{ runner.os }}" --collect "XPlat Code Coverage"
+        run: dotnet test Sentry-CI-Build-${{ matrix.target || runner.os }}.slnf -c Release --no-build --nologo -l GitHubActions -l "trx;LogFilePrefix=testresults_${{ runner.os }}" --collect "XPlat Code Coverage"
 
       - name: Upload code coverage
         uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d
@@ -132,14 +153,14 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ runner.os }}-verify-test-results
+          name: ${{ matrix.target || runner.os }}-verify-test-results
           path: "**/*.received.*"
 
       # To save time and disk space, we only create and archive the Nuget packages when we're actually releasing.
 
       - name: Create Nuget Packages
         if: env.CI_PUBLISHING_BUILD == 'true'
-        run: dotnet pack Sentry-CI-Build-${{ runner.os }}.slnf -c Release --no-build --nologo
+        run: dotnet pack Sentry-CI-Build-${{ matrix.target || runner.os }}.slnf -c Release --no-build --nologo
 
       - name: Archive Nuget Packages
         if: env.CI_PUBLISHING_BUILD == 'true'
@@ -153,15 +174,20 @@ jobs:
 
   integration-test:
     needs: build
-    name: Integration test (${{ matrix.os }})
+    name: Integration test (${{ matrix.container || matrix.os }})
     runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
 
     strategy:
       fail-fast: false
       matrix:
-        # Pin ubuntu to ensure mono is installed
-        # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
-        os: [ubuntu-22.04, windows-latest, macos-15]
+        include:
+          - os: ubuntu-22.04 # Pin ubuntu to ensure mono is installed
+          - os: ubuntu-latest
+            container: ghcr.io/jpnurmi/alpine:3.21 # TODO: getsentry
+            target: Linux-musl
+          - os: windows-latest
+          - os: macos-15 # Pin macos to get the version of Xcode that we need: https://github.com/actions/runner-images/issues/10703
 
     steps:
       - uses: actions/checkout@v4
@@ -180,7 +206,7 @@ jobs:
           path: src
 
       - name: Install build dependencies
-        if: runner.os == 'Linux'
+        if: runner.os == 'Linux' && !matrix.container
         run: |
           sudo apt update
           sudo apt install libcurl4-openssl-dev

CHANGELOG.md

@@ -7,6 +7,7 @@
 - Redact Authorization headers before sending events to Sentry ([#4164](https://github.com/getsentry/sentry-dotnet/pull/4164))
 - Remove Strong Naming from Sentry.Hangfire ([#4099](https://github.com/getsentry/sentry-dotnet/pull/4099))
 - Increase `RequestSize.Small` threshold from 1 kB to 4 kB to match other SDKs ([#4177](https://github.com/getsentry/sentry-dotnet/pull/4177))
+- Support musl on Linux ([#4182](https://github.com/getsentry/sentry-dotnet/pull/4182))
 
 ### Features
 

Sentry-CI-Build-Linux-musl.slnf

@@ -0,0 +1,74 @@
+{
+  "solution": {
+    "path": ".generated.NoMobile.sln",
+    "projects": [
+      "benchmarks\\Sentry.Benchmarks\\Sentry.Benchmarks.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Basic\\Sentry.Samples.AspNetCore.Basic.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Blazor.Server\\Sentry.Samples.AspNetCore.Blazor.Server.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Blazor.Wasm\\Sentry.Samples.AspNetCore.Blazor.Wasm.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Grpc\\Sentry.Samples.AspNetCore.Grpc.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Mvc\\Sentry.Samples.AspNetCore.Mvc.csproj",
+      "samples\\Sentry.Samples.AspNetCore.Serilog\\Sentry.Samples.AspNetCore.Serilog.csproj",
+      "samples\\Sentry.Samples.AspNetCore.WebAPI.Profiling\\Sentry.Samples.AspNetCore.WebAPI.Profiling.csproj",
+      "samples\\Sentry.Samples.Aws.Lambda.AspNetCoreServer\\Sentry.Samples.Aws.Lambda.AspNetCoreServer.csproj",
+      "samples\\Sentry.Samples.Azure.Functions.Worker\\Sentry.Samples.Azure.Functions.Worker.csproj",
+      "samples\\Sentry.Samples.Console.Basic\\Sentry.Samples.Console.Basic.csproj",
+      "samples\\Sentry.Samples.Console.Customized\\Sentry.Samples.Console.Customized.csproj",
+      "samples\\Sentry.Samples.Console.HeapDump\\Sentry.Samples.Console.HeapDump.csproj",
+      "samples\\Sentry.Samples.Console.Native\\Sentry.Samples.Console.Native.csproj",
+      "samples\\Sentry.Samples.Console.Profiling\\Sentry.Samples.Console.Profiling.csproj",
+      "samples\\Sentry.Samples.EntityFramework\\Sentry.Samples.EntityFramework.csproj",
+      "samples\\Sentry.Samples.GenericHost\\Sentry.Samples.GenericHost.csproj",
+      "samples\\Sentry.Samples.Google.Cloud.Functions\\Sentry.Samples.Google.Cloud.Functions.csproj",
+      "samples\\Sentry.Samples.GraphQL.Client.Http\\Sentry.Samples.GraphQL.Client.Http.csproj",
+      "samples\\Sentry.Samples.GraphQL.Server\\Sentry.Samples.GraphQL.Server.csproj",
+      "samples\\Sentry.Samples.Hangfire\\Sentry.Samples.Hangfire.csproj",
+      "samples\\Sentry.Samples.Log4Net\\Sentry.Samples.Log4Net.csproj",
+      "samples\\Sentry.Samples.ME.Logging\\Sentry.Samples.ME.Logging.csproj",
+      "samples\\Sentry.Samples.NLog\\Sentry.Samples.NLog.csproj",
+      "samples\\Sentry.Samples.OpenTelemetry.AspNetCore\\Sentry.Samples.OpenTelemetry.AspNetCore.csproj",
+      "samples\\Sentry.Samples.OpenTelemetry.Console\\Sentry.Samples.OpenTelemetry.Console.csproj",
+      "samples\\Sentry.Samples.Serilog\\Sentry.Samples.Serilog.csproj",
+      "src\\Sentry.Analyzers\\Sentry.Analyzers.csproj",
+      "src\\Sentry.AspNet\\Sentry.AspNet.csproj",
+      "src\\Sentry.AspNetCore.Blazor.WebAssembly\\Sentry.AspNetCore.Blazor.WebAssembly.csproj",
+      "src\\Sentry.AspNetCore.Grpc\\Sentry.AspNetCore.Grpc.csproj",
+      "src\\Sentry.AspNetCore\\Sentry.AspNetCore.csproj",
+      "src\\Sentry.Azure.Functions.Worker\\Sentry.Azure.Functions.Worker.csproj",
+      "src\\Sentry.DiagnosticSource\\Sentry.DiagnosticSource.csproj",
+      "src\\Sentry.EntityFramework\\Sentry.EntityFramework.csproj",
+      "src\\Sentry.Extensions.Logging\\Sentry.Extensions.Logging.csproj",
+      "src\\Sentry.Google.Cloud.Functions\\Sentry.Google.Cloud.Functions.csproj",
+      "src\\Sentry.Hangfire\\Sentry.Hangfire.csproj",
+      "src\\Sentry.Log4Net\\Sentry.Log4Net.csproj",
+      "src\\Sentry.NLog\\Sentry.NLog.csproj",
+      "src\\Sentry.OpenTelemetry\\Sentry.OpenTelemetry.csproj",
+      "src\\Sentry.Profiling\\Sentry.Profiling.csproj",
+      "src\\Sentry.Serilog\\Sentry.Serilog.csproj",
+      "src\\Sentry.SourceGenerators\\Sentry.SourceGenerators.csproj",
+      "src\\Sentry\\Sentry.csproj",
+      "test\\Sentry.Analyzers.Tests\\Sentry.Analyzers.Tests.csproj",
+      "test\\Sentry.AspNet.Tests\\Sentry.AspNet.Tests.csproj",
+      "test\\Sentry.AspNetCore.Grpc.Tests\\Sentry.AspNetCore.Grpc.Tests.csproj",
+      "test\\Sentry.AspNetCore.Tests\\Sentry.AspNetCore.Tests.csproj",
+      "test\\Sentry.AspNetCore.TestUtils\\Sentry.AspNetCore.TestUtils.csproj",
+      "test\\Sentry.Azure.Functions.Worker.Tests\\Sentry.Azure.Functions.Worker.Tests.csproj",
+      "test\\Sentry.DiagnosticSource.IntegrationTests\\Sentry.DiagnosticSource.IntegrationTests.csproj",
+      "test\\Sentry.DiagnosticSource.Tests\\Sentry.DiagnosticSource.Tests.csproj",
+      "test\\Sentry.EntityFramework.Tests\\Sentry.EntityFramework.Tests.csproj",
+      "test\\Sentry.Extensions.Logging.Tests\\Sentry.Extensions.Logging.Tests.csproj",
+      "test\\Sentry.Google.Cloud.Functions.Tests\\Sentry.Google.Cloud.Functions.Tests.csproj",
+      "test\\Sentry.Hangfire.Tests\\Sentry.Hangfire.Tests.csproj",
+      "test\\Sentry.Log4Net.Tests\\Sentry.Log4Net.Tests.csproj",
+      "test\\Sentry.NLog.Tests\\Sentry.NLog.Tests.csproj",
+      "test\\Sentry.OpenTelemetry.Tests\\Sentry.OpenTelemetry.Tests.csproj",
+      "test\\Sentry.Profiling.Tests\\Sentry.Profiling.Tests.csproj",
+      "test\\Sentry.Serilog.Tests\\Sentry.Serilog.Tests.csproj",
+      "test\\Sentry.SourceGenerators.Tests\\Sentry.SourceGenerators.Tests.csproj",
+      "test\\Sentry.Testing.CrashableApp\\Sentry.Testing.CrashableApp.csproj",
+      "test\\Sentry.Testing\\Sentry.Testing.csproj",
+      "test\\Sentry.Tests\\Sentry.Tests.csproj",
+      "test\\SingleFileTestApp\\SingleFileTestApp.csproj"
+    ]
+  }
+}

scripts/build-sentry-native.ps1

@@ -29,7 +29,14 @@ try
     }
     elseif ($IsLinux)
     {
-        $outDir += '/linux-x64'
+        if ((ldd --version 2>&1) -match 'musl')
+        {
+            $outDir += '/linux-musl-x64'
+        }
+        else
+        {
+            $outDir += '/linux-x64'
+        }
     }
     else
     {

scripts/generate-solution-filters-config.yaml

@@ -211,3 +211,20 @@ filterConfigs:
         - "**/*Bindings*"
         - "**/*DeviceTests*"
         - "**/*TestApp*"
+
+  # WIP: SentryNoMobile.slnf minus *Mac* for testing Linux musl CI w/o Android
+  - outputPath: Sentry-CI-Build-Linux-musl.slnf
+    solution: .generated.NoMobile.sln
+    include:
+      groups:
+        - "allProjects"
+    exclude:
+      groups:
+        - "artefacts"
+        - "trimTests"
+      patterns:
+        - "**/*Bindings*.csproj"
+        - "**/*Android*.csproj"
+        - "**/*Ios*.csproj"
+        - "**/*Mac*.csproj"
+        - "**/*Maui*.csproj"

src/Sentry/Platforms/Native/buildTransitive/Sentry.Native.targets

@@ -33,9 +33,9 @@
     <NativeLibrary Include="Gdi32.lib" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(FrameworkSupportsNative)' == 'true' and '$(RuntimeIdentifier)' == 'linux-x64'">
+  <ItemGroup Condition="'$(FrameworkSupportsNative)' == 'true' and ('$(RuntimeIdentifier)' == 'linux-x64' or '$(RuntimeIdentifier)' == 'linux-musl-x64')">
     <DirectPInvoke Include="sentry-native" />
-    <NativeLibrary Include="$(MSBuildThisFileDirectory)..\sentry-native\linux-x64\libsentry-native.a" />
+    <NativeLibrary Include="$(MSBuildThisFileDirectory)..\sentry-native\$(RuntimeIdentifier)\libsentry-native.a" />
     <!-- See: https://github.com/dotnet/runtime/issues/97414 -->
     <NativeSystemLibrary Include="curl" />
   </ItemGroup>