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@BenTheElder @tao12345666333
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# Copyright 2019 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.
# Simple makefile to build kind quickly and reproducibly in a container
# Only requires docker on the host
# settings
REPO_ROOT:=${CURDIR}
# autodetect host GOOS and GOARCH by default, even if go is not installed
GOOS?=$(shell hack/util/goos.sh)
GOARCH?=$(shell hack/util/goarch.sh)
# make install will place binaries here
# the default path attempst to mimic go install
INSTALL_DIR?=$(shell hack/util/goinstalldir.sh)
# the output binary name, overridden when cross compiling
KIND_BINARY_NAME?=kind
# use the official module proxy by default
GOPROXY?=https://proxy.golang.org
# default build image
GO_VERSION?=1.12.5
GO_IMAGE?=golang:$(GO_VERSION)
# docker volume name, used as a go module / build cache
CACHE_VOLUME?=kind-build-cache
# variables for consistent logic, don't override these
CONTAINER_REPO_DIR=/src/kind
CONTAINER_OUT_DIR=$(CONTAINER_REPO_DIR)/bin
OUT_DIR=$(REPO_ROOT)/bin
UID:=$(shell id -u)
GID:=$(shell id -g)
# standard "make" target -> builds
all: build
# creates the cache volume
make-cache:
@echo + Ensuring build cache volume exists
docker volume create $(CACHE_VOLUME)
# cleans the cache volume
clean-cache:
@echo + Removing build cache volume
docker volume rm $(CACHE_VOLUME)
# creates the output directory
out-dir:
@echo + Ensuring build output directory exists
mkdir -p $(OUT_DIR)
# cleans the output directory
clean-output:
@echo + Removing build output directory
rm -rf $(OUT_DIR)/
# builds kind in a container, outputs to $(OUT_DIR)
kind: make-cache out-dir
@echo + Building kind binary
docker run \
--rm \
-v $(CACHE_VOLUME):/go \
-e GOCACHE=/go/cache \
-v $(OUT_DIR):/out \
-v $(REPO_ROOT):$(CONTAINER_REPO_DIR) \
-w $(CONTAINER_REPO_DIR) \
-e GO111MODULE=on \
-e GOPROXY=$(GOPROXY) \
-e CGO_ENABLED=0 \
-e GOOS=$(GOOS) \
-e GOARCH=$(GOARCH) \
--user $(UID):$(GID) \
$(GO_IMAGE) \
go build -v -o /out/$(KIND_BINARY_NAME) .
@echo + Built kind binary to $(OUT_DIR)/$(KIND_BINARY_NAME)
# alias for building kind
build: kind
# use: make install INSTALL_DIR=/usr/local/bin
install: build
@echo + Copying kind binary to INSTALL_DIR
install $(OUT_DIR)/$(KIND_BINARY_NAME) $(INSTALL_DIR)/$(KIND_BINARY_NAME)
# standard cleanup target
clean: clean-cache clean-output
.PHONY: all make-cache clean-cache out-dir clean-output kind build install clean
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