From 7961e5d2ae5aefe5e0fabc995d662d1fa16fb012 Mon Sep 17 00:00:00 2001
From: Cyrille Nofficial <cynoffic@cyrilix.fr>
Date: Tue, 30 Aug 2022 23:39:15 +0200
Subject: [PATCH] build: update docker image with opencv 4.6.0

---
 build-docker.sh | 136 +++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 110 insertions(+), 26 deletions(-)

diff --git a/build-docker.sh b/build-docker.sh
index 6cb29b9..37fe824 100755
--- a/build-docker.sh
+++ b/build-docker.sh
@@ -1,50 +1,134 @@
 #! /bin/bash
 
 IMAGE_NAME=robocar-steering
+BINARY_NAME=rc-steering
 TAG=$(git describe)
 FULL_IMAGE_NAME=docker.io/cyrilix/${IMAGE_NAME}:${TAG}
-BINARY=rc-steering
-
-GOTAGS="-tags netgo"
+OPENCV_VERSION=4.6.0
+SRC_CMD=./cmd/$BINARY_NAME
+GOLANG_VERSION=1.19
 
 image_build(){
-  local platform=$1
+  local containerName=builder
+
+  GOPATH=/go
+
+  buildah from --name ${containerName} docker.io/cyrilix/opencv-buildstage:${OPENCV_VERSION}
+  buildah config --label maintainer="Cyrille Nofficial" "${containerName}"
+
+  buildah copy --from=docker.io/library/golang:${GOLANG_VERSION} "${containerName}" /usr/local/go /usr/local/go
+  buildah config --env GOPATH=/go \
+                 --env PATH=/usr/local/go/bin:$GOPATH/bin:/usr/local/go/bin:/usr/bin:/bin \
+                 "${containerName}"
+
+  buildah run \
+    --env GOPATH=${GOPATH} \
+    "${containerName}" \
+    mkdir -p /src "$GOPATH/src" "$GOPATH/bin"
+
+  buildah run \
+    --env GOPATH=${GOPATH} \
+    "${containerName}" \
+    chmod -R 777 "$GOPATH"
 
 
-  GOOS=$(echo $platform | cut -f1 -d/) && \
-  GOARCH=$(echo $platform | cut -f2 -d/) && \
-  GOARM=$(echo $platform | cut -f3 -d/ | sed "s/v//" )
-  VARIANT="--variant $(echo $platform | cut -f3 -d/  )"
-  if [[ -z "$GOARM" ]] ;
-  then
-  VARIANT=""
-  fi
+  buildah config --env PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig "${containerName}"
+  buildah config --workingdir /src/ "${containerName}"
 
-  local binary_suffix="$GOARCH$(echo $platform | cut -f3 -d/ )"
+  buildah add "${containerName}" . .
 
-  local containerName="$IMAGE_NAME-$GOARCH$GOARM"
+  for platform in "linux/amd64" "linux/arm64" "linux/arm/v7"
+  do
 
+    GOOS=$(echo "$platform" | cut -f1 -d/) && \
+    GOARCH=$(echo "$platform" | cut -f2 -d/) && \
+    GOARM=$(echo "$platform" | cut -f3 -d/ | sed "s/v//" )
 
-  printf "\n\nBuild go binary %s\n\n" "${BINARY}.${binary_suffix}"
-  mkdir -p build
-  CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} GOARM=${GOARM} go build -mod vendor -a ${GOTAGS} -o "build/${BINARY}.${binary_suffix}" ./cmd/${BINARY}/
+    case $GOARCH in
+      "amd64")
+        ARCH=amd64
+        ARCH_LIB_DIR=/usr/lib/x86_64-linux-gnu
+        EXTRA_LIBS=""
+        CC=gcc
+        CXX=g++
+      ;;
+      "arm64")
+        ARCH=arm64
+        ARCH_LIB_DIR=/usr/lib/aarch64-linux-gnu
+        EXTRA_LIBS="-ltbb"
+        CC=aarch64-linux-gnu-gcc
+        CXX=aarch64-linux-gnu-g++
+      ;;
+      "arm")
+        ARCH=armhf
+        ARCH_LIB_DIR=/usr/lib/arm-linux-gnueabihf
+        EXTRA_LIBS="-ltbb"
+        CC=arm-linux-gnueabihf-gcc
+        CXX=arm-linux-gnueabihf-g++
+      ;;
+    esac
 
-  buildah --os "$GOOS" --arch "$GOARCH" $VARIANT  --name "$containerName" from gcr.io/distroless/static
-  buildah config --user 1234 "$containerName"
-  buildah copy "$containerName" "build/${BINARY}.${binary_suffix}" /go/bin/$BINARY
-  buildah config --entrypoint '["/go/bin/'$BINARY'"]' "${containerName}"
+    printf "Build binary for %s\n\n" "${platform}"
 
-  buildah commit --rm --manifest $IMAGE_NAME "${containerName}" "${containerName}"
+    buildah run \
+      --env CGO_ENABLED=1 \
+      --env CC=${CC} \
+      --env CXX=${CXX} \
+      --env GOOS=${GOOS} \
+      --env GOARCH=${GOARCH} \
+      --env GOARM=${GOARM} \
+      --env CGO_CPPFLAGS="-I/opt/opencv/${ARCH}/include/opencv4/" \
+      --env CGO_LDFLAGS="-L/opt/opencv/${ARCH}/lib -L${ARCH_LIB_DIR} ${EXTRA_LIBS} -lopencv_core -lopencv_face -lopencv_videoio -lopencv_imgproc -lopencv_highgui -lopencv_imgcodecs -lopencv_objdetect -lopencv_features2d -lopencv_video -lopencv_dnn -lopencv_xfeatures2d -lopencv_calib3d -lopencv_photo -lopencv_flann" \
+      --env CGO_CXXFLAGS="--std=c++1z" \
+      "${containerName}" \
+      go build  -tags customenv -a -o ${BINARY_NAME}.${ARCH} ${SRC_CMD}
+
+  done
+  buildah commit --rm ${containerName} ${IMAGE_NAME}-builder
+}
+
+image_final(){
+  local containerName=runtime
+
+  for platform in "linux/amd64" "linux/arm64" "linux/arm/v7"
+  do
+
+    GOOS=$(echo $platform | cut -f1 -d/) && \
+    GOARCH=$(echo $platform | cut -f2 -d/) && \
+    GOARM=$(echo $platform | cut -f3 -d/ | sed "s/v//" )
+    VARIANT="--variant $(echo $platform | cut -f3 -d/  )"
+
+    if [[ -z "$GOARM" ]] ;
+    then
+      VARIANT=""
+    fi
+
+    if [[ "${GOARCH}" == "arm" ]]
+    then
+      BINARY="${BINARY_NAME}.armhf"
+    else
+      BINARY="${BINARY_NAME}.${GOARCH}"
+    fi
+
+    buildah from --name "${containerName}" --os "${GOOS}" --arch "${GOARCH}" ${VARIANT} docker.io/cyrilix/opencv-runtime:${OPENCV_VERSION}
+
+    buildah copy --from ${IMAGE_NAME}-builder  "$containerName" "/src/${BINARY}" /usr/local/bin/${BINARY_NAME}
+
+    buildah config --label maintainer="Cyrille Nofficial" "${containerName}"
+    buildah config --user 1234 "$containerName"
+    buildah config --cmd '' "$containerName"
+    buildah config --entrypoint '[ "/usr/local/bin/'${BINARY_NAME}'" ]' "$containerName"
+
+    buildah commit --rm --manifest ${IMAGE_NAME} ${containerName}
+  done
 }
 
 buildah rmi localhost/$IMAGE_NAME
 buildah manifest rm localhost/${IMAGE_NAME}
 
-image_build linux/amd64
-image_build linux/arm64
-image_build linux/arm/v7
-
+image_build
 
 # push image
+image_final
 printf "\n\nPush manifest to %s\n\n" ${FULL_IMAGE_NAME}
 buildah manifest push --rm -f v2s2 "localhost/$IMAGE_NAME" "docker://$FULL_IMAGE_NAME" --all
\ No newline at end of file