Charmed-Kubernetes/kubernetes-worker/build-cni-resources.sh

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#!/usr/bin/env bash
set -eux
CNI_VERSION="${CNI_VERSION:-v0.7.5}"
ARCH="${ARCH:-amd64 arm64 s390x}"
build_script_commit="$(git show --oneline -q)"
temp_dir="$(readlink -f build-cni-resources.tmp)"
rm -rf "$temp_dir"
mkdir "$temp_dir"
(cd "$temp_dir"
git clone https://github.com/containernetworking/plugins.git cni-plugins \
--branch "$CNI_VERSION" \
--depth 1
# Grab the user id and group id of this current user.
GROUP_ID=$(id -g)
USER_ID=$(id -u)
for arch in $ARCH; do
echo "Building cni $CNI_VERSION for $arch"
rm -f cni-plugins/bin/*
docker run \
--rm \
-e GOOS=linux \
-e GOARCH="$arch" \
-v "$temp_dir"/cni-plugins:/cni \
golang:1.15 \
/bin/bash -c "cd /cni && ./build.sh && chown -R ${USER_ID}:${GROUP_ID} /cni"
(cd cni-plugins/bin
echo "cni-$arch $CNI_VERSION" >> BUILD_INFO
echo "Built $(date)" >> BUILD_INFO
echo "build script commit: $build_script_commit" >> BUILD_INFO
echo "cni-plugins commit: $(git show --oneline -q)" >> BUILD_INFO
tar -czf "$temp_dir/cni-$arch.tgz" .
)
done
)
mv "$temp_dir"/cni-*.tgz .
rm -rf "$temp_dir"