Remove arm32 (#5935)

* remove references to 32bit arm

* scheduled build to maintain actions cache

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/arm64
           target: frigate
           tags: |
             ghcr.io/${{ steps.lowercaseRepo.outputs.lowercase }}:${{ github.ref_name }}-${{ env.SHORT_SHA }}

.github/workflows/maintain_cache.yml

@@ -0,0 +1,45 @@
+name: Maintain Cache
+
+on:
+  schedule:
+    - cron: "13 0 * * 0,4"
+
+env:
+  PYTHON_VERSION: 3.9
+
+jobs:
+  multi_arch_build:
+    runs-on: ubuntu-latest
+    name: Image Build
+    steps:
+      - name: Remove unnecessary files
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+      - id: lowercaseRepo
+        uses: ASzc/change-string-case-action@v5
+        with:
+          string: ${{ github.repository }}
+      - name: Check out code
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Log in to the Container registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create version file
+        run: make version
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: false
+          platforms: linux/amd64,linux/arm64
+          target: frigate
+          cache-from: type=gha

Dockerfile

@@ -133,11 +133,6 @@ RUN apt-get -qq update \
 RUN wget -q https://bootstrap.pypa.io/get-pip.py -O get-pip.py \
     && python3 get-pip.py "pip"
 
-RUN if [ "${TARGETARCH}" = "arm" ]; \
-    then echo "[global]" > /etc/pip.conf \
-    && echo "extra-index-url=https://www.piwheels.org/simple" >> /etc/pip.conf; \
-    fi
-
 COPY requirements.txt /requirements.txt
 RUN pip3 install -r requirements.txt
 

Makefile

@@ -22,14 +22,11 @@ amd64:
 arm64:
 	docker buildx build --platform linux/arm64 --target=frigate --tag $(IMAGE_REPO):$(VERSION)-$(COMMIT_HASH) .
 
-armv7:
-	docker buildx build --platform linux/arm/v7 --target=frigate --tag $(IMAGE_REPO):$(VERSION)-$(COMMIT_HASH) .
-
-build: version amd64 arm64 armv7
-	docker buildx build --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --target=frigate --tag $(IMAGE_REPO):$(VERSION)-$(COMMIT_HASH) .
+build: version amd64 arm64
+	docker buildx build --platform linux/arm64/v8,linux/amd64 --target=frigate --tag $(IMAGE_REPO):$(VERSION)-$(COMMIT_HASH) .
 
 push: build
-	docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --target=frigate --tag $(IMAGE_REPO):${GITHUB_REF_NAME}-$(COMMIT_HASH) .
+	docker buildx build --push --platform linux/arm64/v8,linux/amd64 --target=frigate --tag $(IMAGE_REPO):${GITHUB_REF_NAME}-$(COMMIT_HASH) .
 	docker buildx build --push --platform linux/amd64 --target=frigate-tensorrt --tag $(IMAGE_REPO):${GITHUB_REF_NAME}-$(COMMIT_HASH)-tensorrt .
 
 run: local

docker/install_deps.sh

@@ -37,15 +37,6 @@ if [[ "${TARGETARCH}" == "amd64" ]]; then
     rm -rf btbn-ffmpeg.tar.xz /usr/lib/btbn-ffmpeg/doc /usr/lib/btbn-ffmpeg/bin/ffplay
 fi
 
-# ffmpeg -> arm32
-if [[ "${TARGETARCH}" == "arm" ]]; then
-    # add raspberry pi repo
-    gpg --no-default-keyring --keyring /usr/share/keyrings/raspbian.gpg --keyserver keyserver.ubuntu.com --recv-keys 9165938D90FDDD2E
-    echo "deb [signed-by=/usr/share/keyrings/raspbian.gpg] http://raspbian.raspberrypi.org/raspbian/ bullseye main contrib non-free rpi" | tee /etc/apt/sources.list.d/raspi.list
-    apt-get -qq update
-    apt-get -qq install --no-install-recommends --no-install-suggests -y ffmpeg
-fi
-
 # ffmpeg -> arm64
 if [[ "${TARGETARCH}" == "arm64" ]]; then
     # add raspberry pi repo
@@ -75,16 +66,6 @@ if [[ "${TARGETARCH}" == "arm64" ]]; then
         libva-drm2 mesa-va-drivers
 fi
 
-# not sure why 32bit arm requires all these
-if [[ "${TARGETARCH}" == "arm" ]]; then
-    apt-get -qq install --no-install-recommends --no-install-suggests -y \
-        libgtk-3-dev \
-        libavcodec-dev libavformat-dev libswscale-dev libv4l-dev \
-        libxvidcore-dev libx264-dev libjpeg-dev libpng-dev libtiff-dev \
-        gfortran openexr libatlas-base-dev libtbb-dev libdc1394-22-dev libopenexr-dev \
-        libgstreamer-plugins-base1.0-dev libgstreamer1.0-dev
-fi
-
 apt-get purge gnupg apt-transport-https wget xz-utils -y
 apt-get clean autoclean -y
 apt-get autoremove --purge -y

docker/install_s6_overlay.sh

@@ -6,8 +6,6 @@ s6_version="3.1.4.1"
 
 if [[ "${TARGETARCH}" == "amd64" ]]; then
     s6_arch="x86_64"
-elif [[ "${TARGETARCH}" == "arm" ]]; then
-    s6_arch="armhf"
 elif [[ "${TARGETARCH}" == "arm64" ]]; then
     s6_arch="aarch64"
 fi

docs/docs/frigate/hardware.md

@@ -48,7 +48,7 @@ A single Coral can handle many cameras and will be sufficient for the majority o
 The OpenVINO detector type is able to run on:
 
 - 6th Gen Intel Platforms and newer that have an iGPU
-- x86 & Arm32/64 hosts with VPU Hardware (ex: Intel NCS2)
+- x86 & Arm64 hosts with VPU Hardware (ex: Intel NCS2)
 
 More information is available [in the detector docs](/configuration/detectors#openvino-detector)
 

requirements-wheels.txt

@@ -23,4 +23,3 @@ zeroconf == 0.47.*
 # Openvino Library - Custom built with MYRIAD support
 openvino @ https://github.com/NateMeyer/openvino-wheels/releases/download/multi-arch_2022.2.0/openvino-2022.2.0-000-cp39-cp39-manylinux_2_31_x86_64.whl; platform_machine == 'x86_64'
 openvino @ https://github.com/NateMeyer/openvino-wheels/releases/download/multi-arch_2022.2.0/openvino-2022.2.0-000-cp39-cp39-linux_aarch64.whl; platform_machine == 'aarch64'
-openvino @ https://github.com/NateMeyer/openvino-wheels/releases/download/multi-arch_2022.2.0/openvino-2022.2.0-000-cp39-cp39-linux_armv7l.whl; platform_machine == 'armv7l'