[WIP]CI: cache dependencies build

.github/workflows/build.yaml

@@ -13,12 +13,23 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build_ubuntu:
-    name: Build [ubuntu]
+  build_dependencies:
+    name: Build deps [ubuntu]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Get dependencies hash
+        id: get-hash
+        run: echo "deps_hash=`cat blazingmq/docker/build_deps.sh | shasum`" >> $GITHUB_OUTPUT
+      - name: Cache lookup
+        uses: actions/cache/restore@v4
+        id: cache-lookup
+        with:
+          path: deps
+          key: deps-${{ steps.get-hash.outputs.deps_hash }}
+          lookup-only: true
       - name: Set up dependencies
+        if: steps.cache-lookup.outputs.cache-hit != 'true'
         run: |
           sudo apt-get update
           sudo apt-get install -qy build-essential \
@@ -34,11 +45,51 @@ jobs:
             libbenchmark-dev \
             libgmock-dev \
             libz-dev
-      - name: Create dependency fetcher working directory
-        run: mkdir -p deps
       - name: Fetch & Build non packaged dependencies
+        if: steps.cache-lookup.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p deps
+          cd deps
+          ../docker/build_deps.sh
+      - name: Cache save
+        if: steps.cache-lookup.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: deps
+          key: deps-${{ steps.get-hash.outputs.deps_hash }}
+
+  build_ubuntu:
+    name: Build [ubuntu]
+    runs-on: ubuntu-latest
+    needs: build_dependencies
+    steps:
+      - uses: actions/checkout@v4
+      - name: Get dependencies hash
+        id: get-hash
+        run: echo "deps_hash=`cat blazingmq/docker/build_deps.sh | shasum`" >> $GITHUB_OUTPUT
+      - uses: actions/cache@v4
+        with:
+          path: deps
+          key: deps-${{ steps.get-hash.outputs.deps_hash }}
+      - name: Install cached non packaged dependencies
         working-directory: deps
-        run: ../docker/build_deps.sh
+        run: ../docker/build_deps.sh --install-only
+      - name: Set up dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -qy build-essential \
+            gdb \
+            curl \
+            python3.10 \
+            python3-pip \
+            cmake \
+            ninja-build \
+            pkg-config \
+            bison \
+            libfl-dev \
+            libbenchmark-dev \
+            libgmock-dev \
+            libz-dev
       - name: Build BlazingMQ
         env:
           PKG_CONFIG_PATH: /usr/lib/x86_64-linux-gnu/pkgconfig:/opt/bb/lib64/pkgconfig

docker/build_deps.sh

@@ -5,6 +5,11 @@
 
 set -euxo pipefail
 
+install_only=false
+if [[ -n "${1-}" && "${1-}" = "--install-only" ]]; then
+    install_only=true
+fi
+
 fetch_git() {
     local org=$1
     local repo=$2
@@ -24,6 +29,9 @@ fetch_git() {
 }
 
 fetch_deps() {
+    if [ "$install_only" = true ]; then
+        return 0
+    fi
     fetch_git bloomberg bde-tools 4.8.0.0
     fetch_git bloomberg bde 4.8.0.0
     fetch_git bloomberg ntf-core latest
@@ -37,17 +45,21 @@ configure() {
 
 build_bde() {
     pushd srcs/bde
-    bbs_build configure
-    bbs_build build -j8
+    if [ "$install_only" = false ]; then
+        bbs_build configure
+        bbs_build build -j8
+    fi
     bbs_build --install=/opt/bb --prefix=/ install
     popd
 }
 
 build_ntf() {
     pushd srcs/ntf-core
-    sed -i s/CMakeLists.txt//g ./configure
-    ./configure --prefix /opt/bb --without-usage-examples --without-applications --ufid opt_64_cpp17
-    make -j8
+    if [ "$install_only" = false ]; then
+        sed -i s/CMakeLists.txt//g ./configure
+        ./configure --prefix /opt/bb --without-usage-examples --without-applications  --ufid opt_64_cpp17
+        make -j8
+    fi
     make install
     popd
 }