[elixir] Basic CI/CD for elixir

.github/workflows/build_and_test_cpp.yml

@@ -31,6 +31,7 @@ on:
       - 'website/**'
       - '**/*.md'
       - 'bindings/python/**'
+      - 'bindings/elixir/**'
   workflow_dispatch:
 
 concurrency:

.github/workflows/build_and_test_elixir.yml

@@ -0,0 +1,145 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Elixir Build and Tests
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'website/**'
+      - '**/*.md'
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - 'website/**'
+      - '**/*.md'
+      - 'bindings/cpp/**'
+      - 'bindings/python/**'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
+  cancel-in-progress: true
+
+jobs:
+  build-and-test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    env:
+      OTP_VERSION: "28.0.2"
+      ELIXIR_VERSION: "1.19.5"
+      FLUSS_TEST_CLUSTER_BIN: ${{ github.workspace }}/target/debug/fluss-test-cluster
+      MIX_ENV: test
+    steps:
+      - uses: actions/checkout@v6
+
+      # Workaround: erlef/setup-beam is not on the ASF action allowlist
+      # yet. Once it is, this block collapses to a single setup-beam step.
+      # In the meantime we build OTP from source and cache it — the previous
+      # apt-based approach died when Erlang Solutions shut down their repo
+      # in Jan 2025 (https://binaries2.erlang-solutions.com/packages.html).
+      #
+      # The job runs on the native runner (no `container:`) so that the
+      # testcontainers-rs calls inside fluss-test-cluster can reach the
+      # runner's own Docker daemon during integration tests.
+      - name: Install OTP build deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential autoconf m4 libncurses-dev \
+            libssl-dev libpng-dev libssh-dev unixodbc-dev xsltproc fop
+
+      - name: Cache OTP
+        id: otp-cache
+        uses: actions/cache@v4
+        with:
+          path: /opt/otp
+          key: ${{ runner.os }}-otp-${{ env.OTP_VERSION }}-v1
+
+      - name: Build OTP from source
+        if: steps.otp-cache.outputs.cache-hit != 'true'
+        run: |
+          curl -fsSL -o /tmp/otp.tar.gz \
+            "https://github.com/erlang/otp/releases/download/OTP-${OTP_VERSION}/otp_src_${OTP_VERSION}.tar.gz"
+          tar xf /tmp/otp.tar.gz -C /tmp
+          cd /tmp/otp_src_${OTP_VERSION}
+          ./configure --prefix=/opt/otp --without-wx --without-debugger \
+            --without-observer --without-javac
+          make -j$(nproc)
+          sudo make install
+
+      - name: Put OTP on PATH
+        run: |
+          echo "/opt/otp/bin" >> "$GITHUB_PATH"
+          /opt/otp/bin/erl -eval 'io:format("OTP ~s~n", [erlang:system_info(otp_release)]), halt().' -noshell
+
+      - name: Install Elixir
+        run: |
+          curl -fsSL -o /tmp/elixir.zip \
+            "https://github.com/elixir-lang/elixir/releases/download/v${ELIXIR_VERSION}/elixir-otp-28.zip"
+          sudo mkdir -p /usr/local/elixir
+          sudo unzip -qo /tmp/elixir.zip -d /usr/local/elixir
+          echo "/usr/local/elixir/bin" >> "$GITHUB_PATH"
+          /usr/local/elixir/bin/elixir --version
+
+      - name: Install protoc
+        run: sudo apt-get install -y protobuf-compiler
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+
+      - name: Cache Mix deps and build
+        uses: actions/cache@v4
+        with:
+          path: |
+            bindings/elixir/deps
+            bindings/elixir/_build
+          key: ${{ runner.os }}-mix-otp${{ env.OTP_VERSION }}-elixir${{ env.ELIXIR_VERSION }}-${{ hashFiles('bindings/elixir/mix.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-mix-otp${{ env.OTP_VERSION }}-elixir${{ env.ELIXIR_VERSION }}-
+
+      - name: Build fluss-test-cluster binary
+        run: cargo build -p fluss-test-cluster
+
+      - name: Fetch Elixir deps
+        working-directory: bindings/elixir
+        run: mix deps.get
+
+      - name: Check formatting
+        working-directory: bindings/elixir
+        run: mix format --check-formatted
+
+      - name: Compile (warnings as errors)
+        working-directory: bindings/elixir
+        run: mix compile --warnings-as-errors
+
+      - name: Credo
+        working-directory: bindings/elixir
+        run: mix credo
+
+      - name: Run unit tests
+        working-directory: bindings/elixir
+        run: mix test
+
+      - name: Run integration tests
+        working-directory: bindings/elixir
+        run: mix test --include integration --only integration
+        env:
+          RUST_LOG: DEBUG
+          RUST_BACKTRACE: full

.github/workflows/build_and_test_python.yml

@@ -31,6 +31,7 @@ on:
       - 'website/**'
       - '**/*.md'
       - 'bindings/cpp/**'
+      - 'bindings/elixir/**'
   workflow_dispatch:
 
 concurrency:

.github/workflows/build_and_test_rust.yml

@@ -32,6 +32,7 @@ on:
       - '**/*.md'
       - 'bindings/python/**'
       - 'bindings/cpp/**'
+      - 'bindings/elixir/**'
   workflow_dispatch:
 
 concurrency: