use golang image to compile ksm

Author: andyxning

.travis.yml

@@ -2,9 +2,6 @@ sudo: required
 
 language: go
 
-go:
-- "1.10"
-
 install:
 - mkdir -p $HOME/gopath/src/k8s.io
 - mv $TRAVIS_BUILD_DIR $HOME/gopath/src/k8s.io/kube-state-metrics

Makefile

@@ -1,5 +1,4 @@
 FLAGS =
-BUILDENVVAR = CGO_ENABLED=0
 TESTENVVAR =
 REGISTRY = quay.io/coreos
 TAG = $(shell git describe --abbrev=0)
@@ -9,6 +8,7 @@ BuildDate = $(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
 Commit = $(shell git rev-parse --short HEAD)
 ALL_ARCH = amd64 arm arm64 ppc64le s390x
 PKG=k8s.io/kube-state-metrics
+GO_VERSION=1.10.1
 
 IMAGE = $(REGISTRY)/kube-state-metrics
 MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
@@ -28,7 +28,7 @@ doccheck:
 	@echo OK
 
 build: clean
-	GOOS=$(shell uname -s | tr A-Z a-z) GOARCH=$(ARCH) $(BUILDENVVAR) go build -ldflags "-s -w -X ${PKG}/version.Release=${TAG} -X ${PKG}/version.Commit=${Commit} -X ${PKG}/version.BuildDate=${BuildDate}" -o kube-state-metrics
+	docker run --rm -v "$$PWD":/go/src/k8s.io/kube-state-metrics -w /go/src/k8s.io/kube-state-metrics -e GOOS=$(shell uname -s | tr A-Z a-z) -e GOARCH=$(ARCH) -e CGO_ENABLED=0 golang:${GO_VERSION} go build -ldflags "-s -w -X ${PKG}/version.Release=${TAG} -X ${PKG}/version.Commit=${Commit} -X ${PKG}/version.BuildDate=${BuildDate}" -o kube-state-metrics
 
 test-unit: clean build
 	GOOS=$(shell uname -s | tr A-Z a-z) GOARCH=$(ARCH) $(TESTENVVAR) go test --race $(FLAGS) $(PKGS)
@@ -49,8 +49,8 @@ all-push: $(addprefix sub-push-,$(ALL_ARCH))
 
 container: .container-$(ARCH)
 .container-$(ARCH):
+	docker run --rm -v "$$PWD":/go/src/k8s.io/kube-state-metrics -w /go/src/k8s.io/kube-state-metrics -e GOOS=linux -e GOARCH=$(ARCH) -e CGO_ENABLED=0 golang:${GO_VERSION} go build -ldflags "-s -w -X ${PKG}/version.Release=${TAG} -X ${PKG}/version.Commit=${Commit} -X ${PKG}/version.BuildDate=${BuildDate}" -o kube-state-metrics
 	cp -r * $(TEMP_DIR)
-	GOOS=linux GOARCH=$(ARCH) $(BUILDENVVAR) go build -o $(TEMP_DIR)/kube-state-metrics
 	docker build -t $(MULTI_ARCH_IMG):$(TAG) $(TEMP_DIR)
 
 ifeq ($(ARCH), amd64)