fix(.circleci): map the user

Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>

.circleci/config.yml

@@ -80,6 +80,38 @@ jobs:
             pushd build-minimal
             make tests
             popd
+  # CMake for aarch64
+  "build/aarch64-cmake":
+    machine:
+      image: ubuntu-2004:202010-01
+    steps:
+      - checkout
+      - run:
+          name: CMake for aarch64
+          command: |
+            docker run --rm --privileged multiarch/qemu-user-static:register
+            docker run --user $(id -u):$(id -g) -v $PWD:/falco -w /falco -e BUILD_DIR=/build --entrypoint="scripts/ci-build-alpine-aarch64.sh" -v /build:/build multiarch/alpine:aarch64-v3.12 cmake
+      - persist_to_workspace:
+          root: /
+          paths:
+            - falco
+            - build
+  # Build gRPC for aarch64
+  "build/aarch64-grpc":
+    machine:
+      image: ubuntu-2004:202010-01
+    steps:
+      - attach_workspace:
+          at: /
+      - run:
+          name: Build gRPC for aarch64
+          command: |
+            docker run --rm --privileged multiarch/qemu-user-static:register
+            docker run --user $(id -u):$(id -g) -v $PWD:/falco -w /falco -e BUILD_DIR=/build --entrypoint="scripts/ci-build-alpine-aarch64.sh" -v /build:/build multiarch/alpine:aarch64-v3.12 grpc
+      - persist_to_workspace:
+          root: /
+          paths:
+            - build
   # Build using ubuntu LTS
   # This build is dynamic, most dependencies are taken from the OS
   "build/ubuntu-focal":
@@ -524,6 +556,10 @@ workflows:
     jobs:
       - "build/musl"
       - "build/minimal"
+      - "build/aarch64-cmake"
+      - "build/aarch64-grpc":
+          requires:
+            - "build/aarch64-cmake"
       - "build/ubuntu-focal"
       - "build/ubuntu-focal-debug"
       - "build/ubuntu-bionic"

scripts/ci-build-alpine-aarch64.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env sh
+
+set -xeu
+
+: "${BUILD_DIR?"Missing BUILD_DIR environment variable"}"
+
+mkdir -p "${BUILD_DIR}"
+cd "${BUILD_DIR}"
+
+apk update
+apk add g++ gcc cmake cmake make ncurses-dev git bash perl linux-headers autoconf automake m4 libtool elfutils-dev libelf-static patch binutils
+
+while test $# -gt 0; do
+    case "$1" in
+        cmake)
+            cmake -DUSE_BUNDLED_DEPS=On -DMUSL_OPTIMIZED_BUILD=On -DBUILD_DRIVER=Off /falco
+            exit 0
+            ;;
+        falco)
+            make -j4 falco
+            exit 0
+            ;;
+        grpc)
+            make -j4 grpc
+            exit 0
+            ;;
+        all)
+            make -j4 all
+            exit 0
+            ;;
+        tests)
+            make tests
+            exit 0
+            ;;
+        packages)
+            make -j4 package
+            exit 0
+            ;;
+    esac
+done