1 files changed, 116 insertions, 0 deletions
diff --git a/packaging/docker/publish.sh b/packaging/docker/publish.sh
new file mode 100755
index 000000000..e35f063ed
--- /dev/null
+++ b/packaging/docker/publish.sh
@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+#
+# Cross-arch docker publish helper script
+# Needs docker in version >18.02 due to usage of manifests
+#
+# Copyright: SPDX-License-Identifier: GPL-3.0-or-later
+#
+# Author  : Pavlos Emm. Katsoulakis (paul@netdata.cloud)
+
+set -e
+
+if [ "${BASH_VERSINFO[0]}" -lt "4" ]; then
+	echo "This mechanism currently can only run on BASH version 4 and above"
+	exit 1
+fi
+
+WORKDIR="$(mktemp -d)" # Temporary folder, removed after script is done
+VERSION="$1"
+declare -A ARCH_MAP
+ARCH_MAP=(["i386"]="386" ["amd64"]="amd64" ["armhf"]="arm" ["aarch64"]="arm64")
+DEVEL_ARCHS=(amd64)
+[ "${ARCHS}" ] || ARCHS="${!ARCH_MAP[@]}" # Use default ARCHS unless ARCHS are externally provided
+DOCKER_CMD="docker --config ${WORKDIR}"
+GIT_MAIL=${GIT_MAIL:-"bot@netdata.cloud"}
+GIT_USER=${GIT_USER:-"netdatabot"}
+
+if [ -z ${REPOSITORY} ]; then
+	REPOSITORY="${TRAVIS_REPO_SLUG}"
+	if [ -z ${REPOSITORY} ]; then
+		echo "REPOSITORY not set, publish cannot proceed"
+		exit 1
+	else
+		echo "REPOSITORY was not detected, attempted to use TRAVIS_REPO_SLUG setting: ${TRAVIS_REPO_SLUG}"
+	fi
+fi
+
+# When development mode is set, build on DEVEL_ARCHS
+if [ ! -z ${DEVEL+x} ]; then
+    declare -a ARCHS=(${DEVEL_ARCHS[@]})
+fi
+
+# Ensure there is a version, the most appropriate one
+if [ "${VERSION}" == "" ]; then
+    VERSION=$(git tag --points-at)
+    if [ "${VERSION}" == "" ]; then
+        VERSION="latest"
+    fi
+fi
+MANIFEST_LIST="${REPOSITORY}:${VERSION}"
+
+# There is no reason to continue if we cannot log in to docker hub
+if [ -z ${DOCKER_USERNAME+x} ] || [ -z ${DOCKER_PWD+x} ]; then
+    echo "No docker hub username or password found, aborting without publishing"
+    exit 1
+fi
+
+# If we are not in netdata git repo, at the top level directory, fail
+TOP_LEVEL=$(basename "$(git rev-parse --show-toplevel)")
+CWD=$(git rev-parse --show-cdup)
+if [ ! -z $CWD ] || [ ! "${TOP_LEVEL}" == "netdata" ]; then
+    echo "Run as ./packaging/docker/$(basename "$0") from top level directory of netdata git repository"
+    echo "Docker build process aborted"
+    exit 1
+fi
+
+echo "Docker image publishing in progress.."
+echo "Version       : ${VERSION}"
+echo "Repository    : ${REPOSITORY}"
+echo "Architectures : ${ARCHS[*]}"
+echo "Manifest list : ${MANIFEST_LIST}"
+
+# Create temporary docker CLI config with experimental features enabled (manifests v2 need it)
+echo '{"experimental":"enabled"}' > "${WORKDIR}"/config.json
+
+# Login to docker hub to allow futher operations
+echo "$DOCKER_PWD" | $DOCKER_CMD login -u "$DOCKER_USERNAME" --password-stdin
+
+# Push images to registry
+for ARCH in ${ARCHS[@]}; do
+    TAG="${MANIFEST_LIST}-${ARCH}"
+    echo "Publishing image ${TAG}.."
+    $DOCKER_CMD push "${TAG}" &
+    echo "Image ${TAG} published succesfully!"
+done
+
+echo "Waiting for images publishing to complete"
+wait
+
+# Recreate docker manifest list
+echo "Getting tag list for version '${VERSION}'.."
+TAGS=($(curl -s https://registry.hub.docker.com/v2/repositories/${REPOSITORY}/tags/ | jq -r '.results[]["name"]' | grep "^${VERSION}-"))
+
+echo "Creating manifest list.."
+$DOCKER_CMD manifest create --amend "${MANIFEST_LIST}" "${TAGS[@]/#/${REPOSITORY}:}"
+
+# Annotate manifest with CPU architecture information
+
+echo "Executing manifest annotate.."
+for TAG in "${TAGS[@]}"; do
+     ARCH="${TAG#${VERSION}-}"
+     echo "Annotating manifest for $ARCH, with TAG: ${REPOSITORY}:${TAG} (Manifest list: ${MANIFEST_LIST})"
+     $DOCKER_CMD manifest annotate "${MANIFEST_LIST}" "${REPOSITORY}:${TAG}" --os linux --arch "${ARCH_MAP[$ARCH]}"
+done
+
+# Push manifest to docker hub
+echo "Pushing manifest list to docker.."
+$DOCKER_CMD manifest push -p "${MANIFEST_LIST}"
+
+# Show current manifest (debugging purpose only)
+echo "Evaluating manifest list entry"
+$DOCKER_CMD manifest inspect "${MANIFEST_LIST}"
+
+# Cleanup
+rm -r "${WORKDIR}"
+
+echo "Docker publishing process completed!"