1 files changed, 83 insertions, 0 deletions
diff --git a/packaging/docker/build.sh b/packaging/docker/build.sh
new file mode 100755
index 000000000..6958f05e8
--- /dev/null
+++ b/packaging/docker/build.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Author  : Pawel Krupa (paulfantom)
+# Cross-arch docker build helper script
+# Needs docker in version >18.02 due to usage of manifests
+
+set -e
+
+if [ ! -f .gitignore ]; then
+	echo "Run as ./packaging/docker/$(basename "$0") from top level directory of git repository"
+	exit 1
+fi
+
+if [ "$1" == "" ]; then
+    VERSION=$(git tag --points-at)
+else
+    VERSION="$1"
+fi
+if [ "${VERSION}" == "" ]; then
+    VERSION="latest"
+fi
+
+declare -A ARCH_MAP
+ARCH_MAP=( ["i386"]="386" ["amd64"]="amd64" ["armhf"]="arm" ["aarch64"]="arm64")
+if [ -z ${DEVEL+x} ]; then
+    declare -a ARCHITECTURES=(i386 armhf aarch64 amd64)
+else
+    declare -a ARCHITECTURES=(amd64)
+    unset DOCKER_PASSWORD
+    unset DOCKER_USERNAME
+fi
+
+REPOSITORY="${REPOSITORY:-netdata}"
+echo "Building ${VERSION} of ${REPOSITORY} container"
+
+docker run --rm --privileged multiarch/qemu-user-static:register --reset
+
+# Build images using multi-arch Dockerfile.
+for ARCH in "${ARCHITECTURES[@]}"; do
+     eval docker build \
+     		--build-arg ARCH="${ARCH}-v3.8" \
+     		--build-arg OUTPUT=/dev/null \
+     		--tag "${REPOSITORY}:${VERSION}-${ARCH}" \
+     		--file packaging/docker/Dockerfile ./
+done
+
+# There is no reason to continue if we cannot log in to docker hub
+if [ -z ${DOCKER_USERNAME+x} ] || [ -z ${DOCKER_PASSWORD+x} ]; then
+    echo "No docker hub username or password specified. Exiting without pushing images to registry"
+    exit 0
+fi
+
+# Create temporary docker CLI config with experimental features enabled (manifests v2 need it)
+mkdir -p /tmp/docker
+echo '{"experimental":"enabled"}' > /tmp/docker/config.json
+
+# Login to docker hub to allow futher operations
+echo "$DOCKER_PASSWORD" | docker --config /tmp/docker login -u "$DOCKER_USERNAME" --password-stdin
+
+# Push images to registry
+for ARCH in amd64 i386 armhf aarch64; do
+    docker --config /tmp/docker push "${REPOSITORY}:${VERSION}-${ARCH}" &
+done
+wait
+
+# Recreate docker manifest
+docker --config /tmp/docker manifest create --amend \
+                       "${REPOSITORY}:${VERSION}" \
+                       "${REPOSITORY}:${VERSION}-i386" \
+                       "${REPOSITORY}:${VERSION}-armhf" \
+                       "${REPOSITORY}:${VERSION}-aarch64" \
+                       "${REPOSITORY}:${VERSION}-amd64"
+
+# Annotate manifest with CPU architecture information
+for ARCH in i386 armhf aarch64 amd64; do
+     docker --config /tmp/docker manifest annotate "${REPOSITORY}:${VERSION}" "${REPOSITORY}:${VERSION}-${ARCH}" --os linux --arch "${ARCH_MAP[$ARCH]}"
+done
+
+# Push manifest to docker hub
+docker --config /tmp/docker manifest push -p "${REPOSITORY}:${VERSION}"
+
+# Show current manifest (debugging purpose only)
+docker --config /tmp/docker manifest inspect "${REPOSITORY}:${VERSION}"