# Copyright 2016 The Kubernetes Authors.
#
# 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 BASEIMAGE

# If we're building for another architecture than amd64, the CROSS_BUILD_ placeholder is removed so e.g. CROSS_BUILD_COPY turns into COPY
# If we're building normally, for amd64, CROSS_BUILD lines are removed
CROSS_BUILD_COPY qemu-ARCH-static /usr/bin/

RUN DEBIAN_FRONTEND=noninteractive apt-get update -y \
    && DEBIAN_FRONTEND=noninteractive apt-get -yy -q install \
    iptables \
    ebtables \
    ethtool \
    ca-certificates \
    conntrack \
    util-linux \
    socat \
    git \
    jq \
    nfs-common \
    glusterfs-client \
    cifs-utils \
    && DEBIAN_FRONTEND=noninteractive apt-get upgrade -y \
    && DEBIAN_FRONTEND=noninteractive apt-get autoremove -y \
    && DEBIAN_FRONTEND=noninteractive apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* # CACHEBUST

RUN cp /usr/bin/nsenter /nsenter

# Copy the the cni-bin folder into /opt/cni/bin
COPY cni-bin/bin /opt/cni/bin

# Create symlinks for each hyperkube server
# Also create symlinks to /usr/local/bin/ where the server image binaries live, so the hyperkube image may be 
# used instead of gcr.io/google_containers/kube-* without any modifications.
# TODO: replace manual symlink creation with --make-symlink command once
# cross-building with qemu supports go binaries. See #28702
# RUN /hyperkube --make-symlinks
RUN ln -s /hyperkube /apiserver \
 && ln -s /hyperkube /controller-manager \
 && ln -s /hyperkube /federation-apiserver \
 && ln -s /hyperkube /federation-controller-manager \
 && ln -s /hyperkube /kubectl \
 && ln -s /hyperkube /kubelet \
 && ln -s /hyperkube /proxy \
 && ln -s /hyperkube /scheduler \
 && ln -s /hyperkube /usr/local/bin/kube-apiserver \
 && ln -s /hyperkube /usr/local/bin/kube-controller-manager \
 && ln -s /hyperkube /usr/local/bin/federation-apiserver \
 && ln -s /hyperkube /usr/local/bin/federation-controller-manager \
 && ln -s /hyperkube /usr/local/bin/kubectl \
 && ln -s /hyperkube /usr/local/bin/kubelet \
 && ln -s /hyperkube /usr/local/bin/kube-proxy \
 && ln -s /hyperkube /usr/local/bin/kube-scheduler

# Copy the hyperkube binary
COPY hyperkube /hyperkube