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https://github.com/kubernetes-sigs/kind.git
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83 lines
2.8 KiB
Bash
Executable File
83 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2018 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit -o nounset -o pipefail
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REGISTRY="${REGISTRY:-kindest}"
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IMAGE_NAME="${IMAGE_NAME:-node}"
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# cd to the repo root
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." &> /dev/null && pwd -P)"
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cd "${REPO_ROOT}"
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# ensure we have up to date kind
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make build
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# path to kubernetes sources
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KUBEROOT="${KUBEROOT:-"$(go env GOPATH)"/src/k8s.io/kubernetes}"
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# ensure we have qemu setup so we can run cross-arch images
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# TODO: dedupe specifying this image?
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docker run --rm --privileged tonistiigi/binfmt:qemu-v7.0.0-28@sha256:66e11bea77a5ea9d6f0fe79b57cd2b189b5d15b93a2bdb925be22949232e4e55 --install all
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# NOTE: adding platforms is costly in terms of build time
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# we will consider expanding this in the future, for now the aim is to prove
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# multi-arch and enable developers working on commonly available hardware
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# Other users are free to build their own images on additional platforms using
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# their own time and resources. Please see our docs.
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ARCHES="${ARCHES:-amd64 arm64}"
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IFS=" " read -r -a __arches__ <<< "$ARCHES"
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set -x
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# ensure clean build
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(cd "${KUBEROOT}" && make clean)
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# get kubernetes version
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version_line="$(cd "${KUBEROOT}"; ./hack/print-workspace-status.sh | grep 'STABLE_DOCKER_TAG')"
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kube_version="${version_line#"STABLE_DOCKER_TAG "}"
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# kubernetes build option(s)
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GOFLAGS="${GOFLAGS:-}"
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if [ -z "${GOFLAGS}" ]; then
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# TODO: dockerless only applies to < 1.24, the version selection here is brittle
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case "${kube_version}" in
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v1.1[0-8].*)
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GOFLAGS="-tags=providerless"
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;;
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*)
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GOFLAGS="-tags=providerless,dockerless"
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;;
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esac
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fi
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export GOFLAGS
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# build for each arch
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IMAGE="${REGISTRY}/${IMAGE_NAME}:${kube_version}"
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images=()
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for arch in "${__arches__[@]}"; do
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image="${REGISTRY}/${IMAGE_NAME}-${arch}:${kube_version}"
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"${REPO_ROOT}/bin/kind" build node-image --image="${image}" --arch="${arch}" "${KUBEROOT}"
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images+=("${image}")
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done
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# combine to manifest list tagged with kubernetes version
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# images must be pushed to be referenced by docker manifest
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# we push only after all builds have succeeded
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for image in "${images[@]}"; do
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docker push "${image}"
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done
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docker manifest rm "${IMAGE}" || true
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docker manifest create "${IMAGE}" "${images[@]}"
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docker manifest push "${IMAGE}"
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