a66e1f089e
First version of this was only standalone, now the code is being vendored by anyone who wants to use it. So the standalone binary and container are no longer useful. Change-Id: Ib9369de66b4ecb3451f73ba2a252526d6615b96f
614 lines
19 KiB
Bash
Executable File
614 lines
19 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 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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# The golang package that we are building.
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readonly KUBE_GO_PACKAGE=k8s.io/kubernetes
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readonly KUBE_GOPATH="${KUBE_OUTPUT}/go"
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# The set of server targets that we are only building for Linux
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# If you update this list, please also update build/BUILD.
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kube::golang::server_targets() {
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local targets=(
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cmd/kube-proxy
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cmd/kube-apiserver
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cmd/kube-controller-manager
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cmd/cloud-controller-manager
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cmd/kubelet
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cmd/kubeadm
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cmd/hyperkube
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cmd/kube-scheduler
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vendor/k8s.io/apiextensions-apiserver
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cluster/gce/gci/mounter
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)
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echo "${targets[@]}"
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}
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IFS=" " read -ra KUBE_SERVER_TARGETS <<< "$(kube::golang::server_targets)"
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readonly KUBE_SERVER_TARGETS
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readonly KUBE_SERVER_BINARIES=("${KUBE_SERVER_TARGETS[@]##*/}")
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# The set of server targets that we are only building for Kubernetes nodes
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# If you update this list, please also update build/BUILD.
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kube::golang::node_targets() {
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local targets=(
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cmd/kube-proxy
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cmd/kubeadm
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cmd/kubelet
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)
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echo "${targets[@]}"
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}
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IFS=" " read -ra KUBE_NODE_TARGETS <<< "$(kube::golang::node_targets)"
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readonly KUBE_NODE_TARGETS
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readonly KUBE_NODE_BINARIES=("${KUBE_NODE_TARGETS[@]##*/}")
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readonly KUBE_NODE_BINARIES_WIN=("${KUBE_NODE_BINARIES[@]/%/.exe}")
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if [[ -n "${KUBE_BUILD_PLATFORMS:-}" ]]; then
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IFS=" " read -ra KUBE_SERVER_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
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IFS=" " read -ra KUBE_NODE_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
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IFS=" " read -ra KUBE_TEST_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
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IFS=" " read -ra KUBE_CLIENT_PLATFORMS <<< "$KUBE_BUILD_PLATFORMS"
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readonly KUBE_SERVER_PLATFORMS
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readonly KUBE_NODE_PLATFORMS
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readonly KUBE_TEST_PLATFORMS
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readonly KUBE_CLIENT_PLATFORMS
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elif [[ "${KUBE_FASTBUILD:-}" == "true" ]]; then
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readonly KUBE_SERVER_PLATFORMS=(linux/amd64)
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readonly KUBE_NODE_PLATFORMS=(linux/amd64)
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if [[ "${KUBE_BUILDER_OS:-}" == "darwin"* ]]; then
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readonly KUBE_TEST_PLATFORMS=(
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darwin/amd64
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linux/amd64
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)
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readonly KUBE_CLIENT_PLATFORMS=(
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darwin/amd64
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linux/amd64
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)
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else
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readonly KUBE_TEST_PLATFORMS=(linux/amd64)
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readonly KUBE_CLIENT_PLATFORMS=(linux/amd64)
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fi
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else
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# The server platform we are building on.
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readonly KUBE_SERVER_PLATFORMS=(
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linux/amd64
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linux/arm
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linux/arm64
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linux/s390x
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linux/ppc64le
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)
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# The node platforms we build for
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readonly KUBE_NODE_PLATFORMS=(
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linux/amd64
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linux/arm
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linux/arm64
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linux/s390x
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linux/ppc64le
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windows/amd64
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)
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# If we update this we should also update the set of platforms whose standard library is precompiled for in build/build-image/cross/Dockerfile
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readonly KUBE_CLIENT_PLATFORMS=(
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linux/amd64
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linux/386
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linux/arm
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linux/arm64
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linux/s390x
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linux/ppc64le
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darwin/amd64
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darwin/386
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windows/amd64
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windows/386
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)
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# Which platforms we should compile test targets for. Not all client platforms need these tests
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readonly KUBE_TEST_PLATFORMS=(
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linux/amd64
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linux/arm
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linux/arm64
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linux/s390x
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linux/ppc64le
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darwin/amd64
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windows/amd64
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)
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fi
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# The set of client targets that we are building for all platforms
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# If you update this list, please also update build/BUILD.
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readonly KUBE_CLIENT_TARGETS=(
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cmd/kubectl
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)
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readonly KUBE_CLIENT_BINARIES=("${KUBE_CLIENT_TARGETS[@]##*/}")
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readonly KUBE_CLIENT_BINARIES_WIN=("${KUBE_CLIENT_BINARIES[@]/%/.exe}")
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# The set of test targets that we are building for all platforms
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# If you update this list, please also update build/BUILD.
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kube::golang::test_targets() {
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local targets=(
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cmd/gendocs
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cmd/genkubedocs
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cmd/genman
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cmd/genyaml
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cmd/genswaggertypedocs
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cmd/linkcheck
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vendor/github.com/onsi/ginkgo/ginkgo
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test/e2e/e2e.test
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)
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echo "${targets[@]}"
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}
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IFS=" " read -ra KUBE_TEST_TARGETS <<< "$(kube::golang::test_targets)"
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readonly KUBE_TEST_TARGETS
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readonly KUBE_TEST_BINARIES=("${KUBE_TEST_TARGETS[@]##*/}")
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readonly KUBE_TEST_BINARIES_WIN=("${KUBE_TEST_BINARIES[@]/%/.exe}")
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# If you update this list, please also update build/BUILD.
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readonly KUBE_TEST_PORTABLE=(
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test/e2e/testing-manifests
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test/kubemark
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hack/e2e.go
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hack/e2e-internal
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hack/get-build.sh
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hack/ginkgo-e2e.sh
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hack/lib
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)
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# Test targets which run on the Kubernetes clusters directly, so we only
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# need to target server platforms.
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# These binaries will be distributed in the kubernetes-test tarball.
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# If you update this list, please also update build/BUILD.
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kube::golang::server_test_targets() {
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local targets=(
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cmd/kubemark
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vendor/github.com/onsi/ginkgo/ginkgo
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)
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if [[ "${OSTYPE:-}" == "linux"* ]]; then
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targets+=( test/e2e_node/e2e_node.test )
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fi
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echo "${targets[@]}"
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}
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IFS=" " read -ra KUBE_TEST_SERVER_TARGETS <<< "$(kube::golang::server_test_targets)"
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readonly KUBE_TEST_SERVER_TARGETS
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readonly KUBE_TEST_SERVER_BINARIES=("${KUBE_TEST_SERVER_TARGETS[@]##*/}")
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readonly KUBE_TEST_SERVER_PLATFORMS=("${KUBE_SERVER_PLATFORMS[@]}")
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# Gigabytes necessary for parallel platform builds.
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# As of January 2018, RAM usage is exceeding 30G
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# Setting to 40 to provide some headroom
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readonly KUBE_PARALLEL_BUILD_MEMORY=40
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readonly KUBE_ALL_TARGETS=(
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"${KUBE_SERVER_TARGETS[@]}"
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"${KUBE_CLIENT_TARGETS[@]}"
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"${KUBE_TEST_TARGETS[@]}"
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"${KUBE_TEST_SERVER_TARGETS[@]}"
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)
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readonly KUBE_ALL_BINARIES=("${KUBE_ALL_TARGETS[@]##*/}")
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readonly KUBE_STATIC_LIBRARIES=(
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cloud-controller-manager
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kube-apiserver
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kube-controller-manager
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kube-scheduler
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kube-proxy
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kubeadm
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kubectl
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)
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# KUBE_CGO_OVERRIDES is a space-separated list of binaries which should be built
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# with CGO enabled, assuming CGO is supported on the target platform.
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# This overrides any entry in KUBE_STATIC_LIBRARIES.
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IFS=" " read -ra KUBE_CGO_OVERRIDES <<< "${KUBE_CGO_OVERRIDES:-}"
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readonly KUBE_CGO_OVERRIDES
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# KUBE_STATIC_OVERRIDES is a space-separated list of binaries which should be
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# built with CGO disabled. This is in addition to the list in
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# KUBE_STATIC_LIBRARIES.
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IFS=" " read -ra KUBE_STATIC_OVERRIDES <<< "${KUBE_STATIC_OVERRIDES:-}"
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readonly KUBE_STATIC_OVERRIDES
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kube::golang::is_statically_linked_library() {
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local e
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# Explicitly enable cgo when building kubectl for darwin from darwin.
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[[ "$(go env GOHOSTOS)" == "darwin" && "$(go env GOOS)" == "darwin" &&
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"$1" == *"/kubectl" ]] && return 1
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if [[ -n "${KUBE_CGO_OVERRIDES:+x}" ]]; then
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for e in "${KUBE_CGO_OVERRIDES[@]}"; do [[ "$1" == *"/$e" ]] && return 1; done;
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fi
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for e in "${KUBE_STATIC_LIBRARIES[@]}"; do [[ "$1" == *"/$e" ]] && return 0; done;
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if [[ -n "${KUBE_STATIC_OVERRIDES:+x}" ]]; then
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for e in "${KUBE_STATIC_OVERRIDES[@]}"; do [[ "$1" == *"/$e" ]] && return 0; done;
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fi
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return 1;
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}
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# kube::binaries_from_targets take a list of build targets and return the
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# full go package to be built
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kube::golang::binaries_from_targets() {
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local target
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for target; do
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# If the target starts with what looks like a domain name, assume it has a
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# fully-qualified package name rather than one that needs the Kubernetes
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# package prepended.
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if [[ "${target}" =~ ^([[:alnum:]]+".")+[[:alnum:]]+"/" ]]; then
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echo "${target}"
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else
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echo "${KUBE_GO_PACKAGE}/${target}"
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fi
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done
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}
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# Asks golang what it thinks the host platform is. The go tool chain does some
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# slightly different things when the target platform matches the host platform.
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kube::golang::host_platform() {
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echo "$(go env GOHOSTOS)/$(go env GOHOSTARCH)"
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}
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# Takes the platform name ($1) and sets the appropriate golang env variables
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# for that platform.
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kube::golang::set_platform_envs() {
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[[ -n ${1-} ]] || {
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kube::log::error_exit "!!! Internal error. No platform set in kube::golang::set_platform_envs"
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}
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export GOOS=${platform%/*}
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export GOARCH=${platform##*/}
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# Do not set CC when building natively on a platform, only if cross-compiling from linux/amd64
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if [[ $(kube::golang::host_platform) == "linux/amd64" ]]; then
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# Dynamic CGO linking for other server architectures than linux/amd64 goes here
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# If you want to include support for more server platforms than these, add arch-specific gcc names here
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case "${platform}" in
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"linux/arm")
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export CGO_ENABLED=1
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export CC=arm-linux-gnueabihf-gcc
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;;
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"linux/arm64")
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export CGO_ENABLED=1
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export CC=aarch64-linux-gnu-gcc
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;;
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"linux/ppc64le")
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export CGO_ENABLED=1
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export CC=powerpc64le-linux-gnu-gcc
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;;
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"linux/s390x")
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export CGO_ENABLED=1
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export CC=s390x-linux-gnu-gcc
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;;
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esac
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fi
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}
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kube::golang::unset_platform_envs() {
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unset GOOS
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unset GOARCH
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unset GOROOT
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unset CGO_ENABLED
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unset CC
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}
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# Create the GOPATH tree under $KUBE_OUTPUT
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kube::golang::create_gopath_tree() {
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local go_pkg_dir="${KUBE_GOPATH}/src/${KUBE_GO_PACKAGE}"
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local go_pkg_basedir=$(dirname "${go_pkg_dir}")
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mkdir -p "${go_pkg_basedir}"
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# TODO: This symlink should be relative.
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if [[ ! -e "${go_pkg_dir}" || "$(readlink ${go_pkg_dir})" != "${KUBE_ROOT}" ]]; then
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ln -snf "${KUBE_ROOT}" "${go_pkg_dir}"
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fi
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cat >"${KUBE_GOPATH}/BUILD" <<EOF
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# This dummy BUILD file prevents Bazel from trying to descend through the
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# infinite loop created by the symlink at
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# ${go_pkg_dir}
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EOF
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}
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# Ensure the go tool exists and is a viable version.
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kube::golang::verify_go_version() {
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if [[ -z "$(which go)" ]]; then
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kube::log::usage_from_stdin <<EOF
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Can't find 'go' in PATH, please fix and retry.
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See http://golang.org/doc/install for installation instructions.
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EOF
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return 2
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fi
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local go_version
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IFS=" " read -ra go_version <<< "$(go version)"
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local minimum_go_version
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minimum_go_version=go1.10.2
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if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
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kube::log::usage_from_stdin <<EOF
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Detected go version: ${go_version[*]}.
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Kubernetes requires ${minimum_go_version} or greater.
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Please install ${minimum_go_version} or later.
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EOF
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return 2
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fi
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}
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# kube::golang::setup_env will check that the `go` commands is available in
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# ${PATH}. It will also check that the Go version is good enough for the
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# Kubernetes build.
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#
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# Inputs:
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# KUBE_EXTRA_GOPATH - If set, this is included in created GOPATH
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#
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# Outputs:
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# env-var GOPATH points to our local output dir
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# env-var GOBIN is unset (we want binaries in a predictable place)
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# env-var GO15VENDOREXPERIMENT=1
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# current directory is within GOPATH
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kube::golang::setup_env() {
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kube::golang::verify_go_version
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kube::golang::create_gopath_tree
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export GOPATH="${KUBE_GOPATH}"
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export GOCACHE="${KUBE_GOPATH}/cache"
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# Append KUBE_EXTRA_GOPATH to the GOPATH if it is defined.
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if [[ -n ${KUBE_EXTRA_GOPATH:-} ]]; then
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GOPATH="${GOPATH}:${KUBE_EXTRA_GOPATH}"
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fi
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# Make sure our own Go binaries are in PATH.
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export PATH="${KUBE_GOPATH}/bin:${PATH}"
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# Change directories so that we are within the GOPATH. Some tools get really
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# upset if this is not true. We use a whole fake GOPATH here to collect the
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# resultant binaries. Go will not let us use GOBIN with `go install` and
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# cross-compiling, and `go install -o <file>` only works for a single pkg.
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local subdir
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subdir=$(kube::realpath . | sed "s|$KUBE_ROOT||")
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cd "${KUBE_GOPATH}/src/${KUBE_GO_PACKAGE}/${subdir}"
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# Set GOROOT so binaries that parse code can work properly.
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export GOROOT=$(go env GOROOT)
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# Unset GOBIN in case it already exists in the current session.
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unset GOBIN
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# This seems to matter to some tools (godep, ginkgo...)
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export GO15VENDOREXPERIMENT=1
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}
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# This will take binaries from $GOPATH/bin and copy them to the appropriate
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# place in ${KUBE_OUTPUT_BINDIR}
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#
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# Ideally this wouldn't be necessary and we could just set GOBIN to
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# KUBE_OUTPUT_BINDIR but that won't work in the face of cross compilation. 'go
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# install' will place binaries that match the host platform directly in $GOBIN
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# while placing cross compiled binaries into `platform_arch` subdirs. This
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# complicates pretty much everything else we do around packaging and such.
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kube::golang::place_bins() {
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local host_platform
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host_platform=$(kube::golang::host_platform)
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V=2 kube::log::status "Placing binaries"
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local platform
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for platform in "${KUBE_CLIENT_PLATFORMS[@]}"; do
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# The substitution on platform_src below will replace all slashes with
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# underscores. It'll transform darwin/amd64 -> darwin_amd64.
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local platform_src="/${platform//\//_}"
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if [[ "$platform" == "$host_platform" ]]; then
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platform_src=""
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rm -f "${THIS_PLATFORM_BIN}"
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ln -s "${KUBE_OUTPUT_BINPATH}/${platform}" "${THIS_PLATFORM_BIN}"
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fi
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local full_binpath_src="${KUBE_GOPATH}/bin${platform_src}"
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if [[ -d "${full_binpath_src}" ]]; then
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mkdir -p "${KUBE_OUTPUT_BINPATH}/${platform}"
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find "${full_binpath_src}" -maxdepth 1 -type f -exec \
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rsync -pc {} "${KUBE_OUTPUT_BINPATH}/${platform}" \;
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fi
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done
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}
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# Try and replicate the native binary placement of go install without
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# calling go install.
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kube::golang::outfile_for_binary() {
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local binary=$1
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local platform=$2
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local output_path="${KUBE_GOPATH}/bin"
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if [[ "$platform" != "$host_platform" ]]; then
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output_path="${output_path}/${platform//\//_}"
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fi
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local bin=$(basename "${binary}")
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if [[ ${GOOS} == "windows" ]]; then
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bin="${bin}.exe"
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fi
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echo "${output_path}/${bin}"
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}
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kube::golang::build_binaries_for_platform() {
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local platform=$1
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local -a statics=()
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local -a nonstatics=()
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local -a tests=()
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V=2 kube::log::info "Env for ${platform}: GOOS=${GOOS-} GOARCH=${GOARCH-} GOROOT=${GOROOT-} CGO_ENABLED=${CGO_ENABLED-} CC=${CC-}"
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for binary in "${binaries[@]}"; do
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if [[ "${binary}" =~ ".test"$ ]]; then
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tests+=($binary)
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elif kube::golang::is_statically_linked_library "${binary}"; then
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statics+=($binary)
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else
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nonstatics+=($binary)
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fi
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done
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|
if [[ "${#statics[@]}" != 0 ]]; then
|
|
CGO_ENABLED=0 go install -installsuffix static "${goflags[@]:+${goflags[@]}}" \
|
|
-gcflags "${gogcflags}" \
|
|
-ldflags "${goldflags}" \
|
|
"${statics[@]:+${statics[@]}}"
|
|
fi
|
|
|
|
if [[ "${#nonstatics[@]}" != 0 ]]; then
|
|
go install "${goflags[@]:+${goflags[@]}}" \
|
|
-gcflags "${gogcflags}" \
|
|
-ldflags "${goldflags}" \
|
|
"${nonstatics[@]:+${nonstatics[@]}}"
|
|
fi
|
|
|
|
for test in "${tests[@]:+${tests[@]}}"; do
|
|
local outfile=$(kube::golang::outfile_for_binary "${test}" "${platform}")
|
|
local testpkg="$(dirname ${test})"
|
|
|
|
mkdir -p "$(dirname ${outfile})"
|
|
go test -c \
|
|
"${goflags[@]:+${goflags[@]}}" \
|
|
-gcflags "${gogcflags}" \
|
|
-ldflags "${goldflags}" \
|
|
-o "${outfile}" \
|
|
"${testpkg}"
|
|
done
|
|
}
|
|
|
|
# Return approximate physical memory available in gigabytes.
|
|
kube::golang::get_physmem() {
|
|
local mem
|
|
|
|
# Linux kernel version >=3.14, in kb
|
|
if mem=$(grep MemAvailable /proc/meminfo | awk '{ print $2 }'); then
|
|
echo $(( ${mem} / 1048576 ))
|
|
return
|
|
fi
|
|
|
|
# Linux, in kb
|
|
if mem=$(grep MemTotal /proc/meminfo | awk '{ print $2 }'); then
|
|
echo $(( ${mem} / 1048576 ))
|
|
return
|
|
fi
|
|
|
|
# OS X, in bytes. Note that get_physmem, as used, should only ever
|
|
# run in a Linux container (because it's only used in the multiple
|
|
# platform case, which is a Dockerized build), but this is provided
|
|
# for completeness.
|
|
if mem=$(sysctl -n hw.memsize 2>/dev/null); then
|
|
echo $(( ${mem} / 1073741824 ))
|
|
return
|
|
fi
|
|
|
|
# If we can't infer it, just give up and assume a low memory system
|
|
echo 1
|
|
}
|
|
|
|
# Build binaries targets specified
|
|
#
|
|
# Input:
|
|
# $@ - targets and go flags. If no targets are set then all binaries targets
|
|
# are built.
|
|
# KUBE_BUILD_PLATFORMS - Incoming variable of targets to build for. If unset
|
|
# then just the host architecture is built.
|
|
kube::golang::build_binaries() {
|
|
# Create a sub-shell so that we don't pollute the outer environment
|
|
(
|
|
# Check for `go` binary and set ${GOPATH}.
|
|
kube::golang::setup_env
|
|
V=2 kube::log::info "Go version: $(go version)"
|
|
|
|
local host_platform
|
|
host_platform=$(kube::golang::host_platform)
|
|
|
|
# Use eval to preserve embedded quoted strings.
|
|
local goflags goldflags gogcflags
|
|
eval "goflags=(${GOFLAGS:-})"
|
|
goldflags="${GOLDFLAGS:-} $(kube::version::ldflags)"
|
|
gogcflags="${GOGCFLAGS:-}"
|
|
|
|
local -a targets=()
|
|
local arg
|
|
|
|
for arg; do
|
|
if [[ "${arg}" == -* ]]; then
|
|
# Assume arguments starting with a dash are flags to pass to go.
|
|
goflags+=("${arg}")
|
|
else
|
|
targets+=("${arg}")
|
|
fi
|
|
done
|
|
|
|
if [[ ${#targets[@]} -eq 0 ]]; then
|
|
targets=("${KUBE_ALL_TARGETS[@]}")
|
|
fi
|
|
|
|
local -a platforms
|
|
IFS=" " read -ra platforms <<< "${KUBE_BUILD_PLATFORMS:-}"
|
|
if [[ ${#platforms[@]} -eq 0 ]]; then
|
|
platforms=("${host_platform}")
|
|
fi
|
|
|
|
local binaries
|
|
binaries=($(kube::golang::binaries_from_targets "${targets[@]}"))
|
|
|
|
local parallel=false
|
|
if [[ ${#platforms[@]} -gt 1 ]]; then
|
|
local gigs
|
|
gigs=$(kube::golang::get_physmem)
|
|
|
|
if [[ ${gigs} -ge ${KUBE_PARALLEL_BUILD_MEMORY} ]]; then
|
|
kube::log::status "Multiple platforms requested and available ${gigs}G >= threshold ${KUBE_PARALLEL_BUILD_MEMORY}G, building platforms in parallel"
|
|
parallel=true
|
|
else
|
|
kube::log::status "Multiple platforms requested, but available ${gigs}G < threshold ${KUBE_PARALLEL_BUILD_MEMORY}G, building platforms in serial"
|
|
parallel=false
|
|
fi
|
|
fi
|
|
|
|
if [[ "${parallel}" == "true" ]]; then
|
|
kube::log::status "Building go targets for {${platforms[*]}} in parallel (output will appear in a burst when complete):" "${targets[@]}"
|
|
local platform
|
|
for platform in "${platforms[@]}"; do (
|
|
kube::golang::set_platform_envs "${platform}"
|
|
kube::log::status "${platform}: build started"
|
|
kube::golang::build_binaries_for_platform ${platform}
|
|
kube::log::status "${platform}: build finished"
|
|
) &> "/tmp//${platform//\//_}.build" &
|
|
done
|
|
|
|
local fails=0
|
|
for job in $(jobs -p); do
|
|
wait ${job} || let "fails+=1"
|
|
done
|
|
|
|
for platform in "${platforms[@]}"; do
|
|
cat "/tmp//${platform//\//_}.build"
|
|
done
|
|
|
|
exit ${fails}
|
|
else
|
|
for platform in "${platforms[@]}"; do
|
|
kube::log::status "Building go targets for ${platform}:" "${targets[@]}"
|
|
(
|
|
kube::golang::set_platform_envs "${platform}"
|
|
kube::golang::build_binaries_for_platform ${platform}
|
|
)
|
|
done
|
|
fi
|
|
)
|
|
}
|