Changes in Dockerfile to use Golang based Image

telemetry-aware-scheduling/Makefile

@@ -12,7 +12,7 @@ all:  format build
 build:
 		CGO_ENABLED=0 GO111MODULE=on go build -ldflags="-s -w" -o ./bin/$(BINARY_NAME) ./cmd
 image:
-		docker build -f deploy/images/Dockerfile bin/ -t tasextender
+		docker build -f deploy/images/Dockerfile ../ -t tasextender
 format:
 		gofmt -w -s .
 

telemetry-aware-scheduling/deploy/images/Dockerfile

@@ -1,10 +1,22 @@
-FROM alpine:3.12.1 as build
+FROM golang:1.16-alpine as user_builder
 RUN adduser -D -u 10001 tas
 
+FROM golang:1.16-alpine as builder
+ARG DIR=telemetry-aware-scheduling
+ARG SRC_ROOT=/src_root
+COPY . ${SRC_ROOT}
+
+RUN mkdir -p /install_root/etc
+COPY --from=user_builder /etc/passwd /install_root/etc/passwd
+
+WORKDIR ${SRC_ROOT}/${DIR}
+RUN CGO_ENABLED=0 GO111MODULE=on go build -ldflags="-s -w" -o /install_root/extender ./cmd \
+    && install -D ${SRC_ROOT}/${DIR}/LICENSE /install_root/usr/local/share/package-licenses/telemetry-aware-scheduling/LICENSE \
+    && scripts/copy-modules-licenses.sh ./cmd /install_root/usr/local/share/
+
 FROM scratch
 WORKDIR /
-COPY extender .
-COPY --from=build /etc/passwd /etc/passwd
+COPY --from=builder /install_root /
 EXPOSE 9001/tcp
 USER tas
-ENTRYPOINT ["/extender"]
+ENTRYPOINT ["/extender"]

telemetry-aware-scheduling/scripts/copy-modules-licenses.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# Copyright 2019-2021 Intel Corporation.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copy the license obligations of ".Deps" modules for a package to a target directory
+set -o errexit
+set -o nounset
+
+if [ $# != 2 ] || [ "$1" = "?" ] || [ "$1" = "--help" ]; then
+	echo "Usage: $0 <package> <target dir>" >&2
+	exit 1
+fi
+
+if [ ! -d "$2" ] || [ ! -w "$2" ]; then
+	echo "Error: cannot use $2 as the target directory"
+	exit 1
+fi
+
+if [ ! -d "$2"/package-licenses ]; then
+	mkdir "$2"/package-licenses
+fi
+
+export GO111MODULE=on
+
+if [ ! -d vendor ]; then
+	go mod vendor -v
+fi
+
+LICENSE_FILES=$(find vendor |grep -e LICENSE -e NOTICE|cut -d / -f 2-)
+PACKAGE_DEPS=$(go list -f '{{ join .Deps "\n" }}' "$1" |grep "\.")
+
+POPD=$(pwd)
+cd vendor
+
+for lic in $LICENSE_FILES; do
+	DIR=$(dirname "$lic")
+
+	# Copy the license if its repository path is found in package .Deps
+	if [ "$(echo "$PACKAGE_DEPS" | grep -c "$DIR")" -gt 0 ]; then
+		cp --parents "$lic" "$2"/package-licenses
+
+		# Copy the source if the license is MPL/GPL/LGPL
+		if [ "$(grep -c -w -e MPL -e GPL -e LGPL "$lic")" -gt 0 ]; then
+			if [ ! -d "$2"/package-sources ]; then
+				mkdir "$2"/package-sources
+			fi
+			tar -zvcf  "$2"/package-sources/"$(echo "$DIR" | tr / _)".tar.gzip "$DIR"
+		fi
+	fi
+done
+
+cd "$POPD"