# Copyright (c) 2022 Tigera, Inc. All rights reserved.
#
# 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.
ARG UBI_IMAGE
FROM ${UBI_IMAGE} as ubi

FROM scratch
SHELL ["/bin/sh", "-c"]

ARG GIT_VERSION=unknown

LABEL name="Calico CSI Driver" \
      vendor="Project Calico" \
      version=$GIT_VERSION \
      release="1" \
      summary="Calico CSI driver to setup secure connections from Kubernetes pods to local daemons" \
      description="Calico CSI driver to setup secure connections from Kubernetes pods to local daemons" \
      maintainer="Matt Leung <matt.leung@tigera.io>"

# Because we build our binary with CGO, we need to add the necessary *.so files for dynamic linking.
# If *.so files are missing, you will see an error saying that your entrypoint cannot be found.
# The necessary files can be found using the ldd command on the binary.
COPY --from=ubi /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
COPY --from=ubi /lib64/libpthread.so.0 /lib64/libpthread.so.0
COPY --from=ubi /lib64/libc.so.6 /lib64/libc.so.6

# Copy hostname configuration files from the UBI image so glibc hostname lookups work.
COPY --from=ubi /etc/host.conf /etc/host.conf
COPY --from=ubi /etc/nsswitch.conf /etc/nsswitch.conf

ARG BIN_DIR
ADD ${BIN_DIR}/csi-driver-amd64 /usr/local/bin/csi-driver

ENTRYPOINT ["/usr/local/bin/csi-driver"]
