build: Remove kube-cross image building

kube-cross image building has moved to k/release/images/build/cross.

Signed-off-by: Stephen Augustus <saugustus@vmware.com>

build/build-image/cross/Dockerfile

@@ -1,79 +0,0 @@
-# Copyright 2016 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.
-
-# This file creates a standard build environment for building cross
-# platform go binary for the architecture kubernetes cares about.
-
-FROM golang:1.13.8
-
-ENV GOARM 7
-ENV KUBE_DYNAMIC_CROSSPLATFORMS \
-  armhf \
-  arm64 \
-  s390x \
-  ppc64el
-
-ENV KUBE_CROSSPLATFORMS \
-  linux/386 \
-  linux/arm linux/arm64 \
-  linux/ppc64le \
-  linux/s390x \
-  darwin/amd64 darwin/386 \
-  windows/amd64 windows/386
-
-# Pre-compile the standard go library when cross-compiling. This is much easier now when we have go1.5+
-RUN for platform in ${KUBE_CROSSPLATFORMS}; do GOOS=${platform%/*} GOARCH=${platform##*/} go install std; done \
-    && go clean -cache
-
-# Install g++, then download and install protoc for generating protobuf output
-RUN apt-get update \
-  && apt-get install -y rsync jq apt-utils file patch unzip \
-  && apt-get clean && rm -rf /var/lib/apt/lists/*
-
-# Use dynamic cgo linking for architectures other than amd64 for the server platforms
-# To install crossbuild essential for other architectures add the following repository.
-RUN echo "deb http://archive.ubuntu.com/ubuntu xenial main universe" > /etc/apt/sources.list.d/cgocrosscompiling.list \
-  && apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32 \
-  && apt-get update \
-  && apt-get install -y build-essential \
-  && for platform in ${KUBE_DYNAMIC_CROSSPLATFORMS}; do apt-get install -y crossbuild-essential-${platform}; done \
-  && apt-get clean && rm -rf /var/lib/apt/lists/*
-
-RUN PROTOBUF_VERSION=3.0.2; ZIPNAME="protoc-${PROTOBUF_VERSION}-linux-x86_64.zip"; \
-  mkdir /tmp/protoc && cd /tmp/protoc \
-  && wget "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOBUF_VERSION}/${ZIPNAME}" \
-  && unzip "${ZIPNAME}" \
-  && chmod -R +rX /tmp/protoc \
-  && cp -pr bin /usr/local \
-  && cp -pr include /usr/local \
-  && rm -rf /tmp/protoc \
-  && protoc --version
-
-# work around 64MB tmpfs size in Docker 1.6
-ENV TMPDIR /tmp.k8s
-RUN mkdir $TMPDIR \
-  && chmod a+rwx $TMPDIR \
-  && chmod o+t $TMPDIR
-
-# Get the code coverage tool and goimports
-RUN go get golang.org/x/tools/cmd/cover \
-           golang.org/x/tools/cmd/goimports \
-    && go clean -cache
-
-# Download and symlink etcd. We need this for our integration tests.
-RUN export ETCD_VERSION=v3.2.24; \
-  mkdir -p /usr/local/src/etcd \
-  && cd /usr/local/src/etcd \
-  && curl -fsSL https://github.com/coreos/etcd/releases/download/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz | tar -xz \
-  && ln -s ../src/etcd/etcd-${ETCD_VERSION}-linux-amd64/etcd /usr/local/bin/

build/build-image/cross/Makefile

@@ -1,35 +0,0 @@
-# Copyright 2016 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.
-
-.PHONY:	build push
-
-STAGING_REGISTRY?=gcr.io/k8s-staging-build-image
-PROD_REGISTRY?=us.gcr.io/k8s-artifacts-prod/build-image
-IMAGE=kube-cross
-
-TAG?=kubernetes-$(shell git describe --tags --match='v*' --abbrev=14)
-KUBE_CROSS_VERSION=$(shell cat VERSION)
-
-all: build push
-
-build:
-	docker build \
-		-t $(STAGING_REGISTRY)/$(IMAGE):$(TAG) \
-		-t $(STAGING_REGISTRY)/$(IMAGE):$(KUBE_CROSS_VERSION) \
-		-t $(PROD_REGISTRY)/$(IMAGE):$(KUBE_CROSS_VERSION) \
-		.
-
-push:
-	docker push $(STAGING_REGISTRY)/$(IMAGE):$(TAG)
-	docker push $(STAGING_REGISTRY)/$(IMAGE):$(KUBE_CROSS_VERSION)

build/build-image/cross/cloudbuild.yaml

@@ -1,13 +0,0 @@
-# See https://cloud.google.com/cloud-build/docs/build-config
-timeout: 1200s
-options:
-  substitution_option: ALLOW_LOOSE
-steps:
-  - name: 'gcr.io/k8s-testimages/gcb-docker-gcloud:v20191019-6567e5c'
-    entrypoint: make
-    env:
-    - DOCKER_CLI_EXPERIMENTAL=enabled
-    args:
-    - all
-images:
-  - 'gcr.io/$PROJECT_ID/kube-cross:kubernetes-${_GIT_TAG}'

build/dependencies.yaml

@@ -34,8 +34,6 @@ dependencies:
   - name: "golang"
     version: 1.13.8
     refPaths:
-    - path: build/build-image/cross/Dockerfile
-      match: "golang:"
     - path: build/build-image/cross/VERSION
     - path: build/root/WORKSPACE
       match: go_version