Remove cloudbuild stuff, run preload generation in jenkins

Makefile

@@ -523,10 +523,6 @@ kic-base-image: ## builds the base image used for kic.
 	docker rmi -f $(REGISTRY)/kicbase:$(KIC_VERSION)-snapshot || true
 	docker build -f ./hack/images/kicbase.Dockerfile -t $(REGISTRY)/kicbase:$(KIC_VERSION)-snapshot  --build-arg COMMIT_SHA=${VERSION}-$(COMMIT) --target base .
 
-.PHONY: preload-generator-image
-preload-generator-image:
-	docker build -t gcr.io/k8s-minikube/preload-generator -f deploy/preload/Dockerfile deploy/preload
-
 .PHONY: upload-preloaded-images-tar
 upload-preloaded-images-tar: out/minikube # Upload the preloaded images for oldest supported, newest supported, and default kubernetes versions to GCS.
 	go run ./hack/preload-images/*.go 

deploy/preload/cloudbuild.yaml

-steps:
-    - image: gcr.io/cloud-builders/docker
-      args: ["build", "-t", "preload-generator", "-f", "deploy/preload/Dockerfile", "deploy/preload"]
-    - image: preload-generator

hack/jenkins/minikube_cross_build_and_upload.sh

@@ -39,7 +39,7 @@ declare -rx TAG="${ghprbActualCommit}"
 
 docker kill $(docker ps -q) || true
 docker rm $(docker ps -aq) || true
-make -j 16 all && failed=$? || failed=$?  
+make -j 16 all && failed=$? || failed=$?
 
 "out/minikube-$(go env GOOS)-$(go env GOARCH)" version
 

deploy/preload/Dockerfile → hack/jenkins/preload_generation.sh

-# Copyright 2020 The Kubernetes Authors All rights reserved.
+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,36 +14,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Download gcloud
-FROM alpine:3.10 as download-gcloud
-ENV GCLOUD_VERSION 276.0.0
-ENV GCLOUD_URL https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${GCLOUD_VERSION}-linux-x86_64.tar.gz
-RUN wget -O gcloud.tar.gz "${GCLOUD_URL}"
-RUN tar -zxf gcloud.tar.gz
-
-FROM gcr.io/gcp-runtimes/ubuntu_16_0_4
-
-# Install python and make
-RUN apt-get update && \
-    apt-get install --no-install-recommends --no-install-suggests -y \
-    python make && \
-    rm -rf /var/lib/apt/lists/*
+# This script builds all the minikube binary for all 3 platforms as well as Windows-installer and .deb
+# This is intended to be run on a new release tag in order to build/upload the required files for a release
 
-# Install docker
-COPY --from=docker:18.09.6 /usr/local/bin/docker /usr/local/bin/
 
-# Install gcloud dependencies
-COPY --from=download-gcloud google-cloud-sdk/ /google-cloud-sdk/
-# Finish installation of gcloud
-RUN CLOUDSDK_PYTHON="python2.7" /google-cloud-sdk/install.sh \
-    --usage-reporting=false \
-    --bash-completion=false \
-    --disable-installation-options
-ENV PATH=$PATH:/google-cloud-sdk/bin
-RUN gcloud auth configure-docker
+set -eux -o pipefail
 
-# Install go
-COPY --from=golang:1.14 /usr/local/go /usr/local/go
-ENV PATH=$PATH:/usr/local/go/bin
+# Make sure the right golang version is installed based on Makefile
+WANT_GOLANG_VERSION=$(grep '^GO_VERSION' Makefile | awk '{ print $3 }')
+./hack/jenkins/installers/check_install_golang.sh $WANT_GOLANG_VERSION /usr/local
 
-CMD make upload-preloaded-images-tar
+make upload-preloaded-images-tar
+make clean