# Copyright 2019 Nokia
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

FROM alpine:3.9
MAINTAINER Levente Kale <levente.kale@nokia.com>

ARG FLANNEL
ENV FLANNEL_VERSION=$FLANNEL

RUN apk add --no-cache wget iproute2 net-tools ca-certificates iptables strongswan && update-ca-certificates && \
    apk add wireguard-tools --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community

RUN mkdir -p /opt/bin && \
    if [ $(uname -m) == 'aarch64' ]; then HOST_ARCH=arm64; else HOST_ARCH=amd64; fi && \
    wget -O /opt/bin/flanneld https://github.com/coreos/flannel/releases/download/v${FLANNEL_VERSION}/flanneld-${HOST_ARCH} && \
    chmod +x /opt/bin/flanneld && \
    wget -O /opt/bin/mk-docker-opts.sh https://github.com/coreos/flannel/blob/v${FLANNEL_VERSION}/dist/mk-docker-opts.sh

ENTRYPOINT ["/opt/bin/flanneld"]