From b3ad67739a8f27a182001cf82a014ec5bd8a3297 Mon Sep 17 00:00:00 2001
From: Benjamin Elder <bentheelder@google.com>
Date: Wed, 15 Oct 2025 20:24:12 -0700
Subject: [PATCH] delete build-image

we no longer need this now that we run kube-cross directly
---
 build/build-image/Dockerfile | 57 -------------------------
 build/build-image/VERSION    |  1 -
 build/build-image/rsyncd.sh  | 83 ------------------------------------
 3 files changed, 141 deletions(-)
 delete mode 100644 build/build-image/Dockerfile
 delete mode 100644 build/build-image/VERSION
 delete mode 100755 build/build-image/rsyncd.sh

diff --git a/build/build-image/Dockerfile b/build/build-image/Dockerfile
deleted file mode 100644
index 4473935769b..00000000000
--- a/build/build-image/Dockerfile
+++ /dev/null
@@ -1,57 +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 Kubernetes
-ARG KUBE_CROSS_IMAGE
-ARG KUBE_CROSS_VERSION
-
-FROM ${KUBE_CROSS_IMAGE}:${KUBE_CROSS_VERSION}
-
-# Mark this as a kube-build container
-RUN touch /kube-build-image
-
-# To run as non-root we sometimes need to rebuild go stdlib packages.
-RUN chmod -R a+rwx /usr/local/go/pkg
-
-# For running integration tests /var/run/kubernetes is required
-# and should be writable by user
-RUN mkdir /var/run/kubernetes && chmod a+rwx /var/run/kubernetes
-
-# The kubernetes source is expected to be mounted here.  This will be the base
-# of operations.
-ENV HOME=/go/src/k8s.io/kubernetes
-WORKDIR ${HOME}
-
-# Make output from the dockerized build go someplace else
-ENV KUBE_OUTPUT_SUBPATH=_output/dockerized
-
-# Pick up version stuff here as we don't copy our .git over.
-ENV KUBE_GIT_VERSION_FILE=${HOME}/.dockerized-kube-version-defs
-
-# Add system-wide git user information
-RUN git config --system user.email "nobody@k8s.io" \
-  && git config --system user.name "kube-build-image"
-
-# Fix permissions on gopath
-RUN chmod -R a+rwx $GOPATH
-
-# Make log messages use the right timezone
-ADD localtime /etc/localtime
-RUN chmod a+r /etc/localtime
-
-# Set up rsyncd
-ADD rsyncd.password /
-RUN chmod a+r /rsyncd.password
-ADD rsyncd.sh /
-RUN chmod a+rx /rsyncd.sh
diff --git a/build/build-image/VERSION b/build/build-image/VERSION
deleted file mode 100644
index 7ed6ff82de6..00000000000
--- a/build/build-image/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-5
diff --git a/build/build-image/rsyncd.sh b/build/build-image/rsyncd.sh
deleted file mode 100755
index 2801fa6a387..00000000000
--- a/build/build-image/rsyncd.sh
+++ /dev/null
@@ -1,83 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2016 The Kubernetes Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# This script will set up and run rsyncd to allow data to move into and out of
-# our dockerized build system.  This is used for syncing sources and changes of
-# sources into the docker-build-container.  It is also used to transfer built binaries
-# and generated files back out.
-#
-# When run as root (rare) it'll preserve the file ids as sent from the client.
-# Usually it'll be run as non-dockerized UID/GID and end up translating all file
-# ownership to that.
-
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-# The directory that gets sync'd
-VOLUME=${HOME}
-
-# Assume that this is running in Docker on a bridge.  Allow connections from
-# anything on the local subnet.
-ALLOW=$(ip route | awk  '/^default via/ { reg = "^[0-9./]+ dev "$5 } ; $0 ~ reg { print $1 }')
-
-CONFDIR="/tmp/rsync.k8s"
-PIDFILE="${CONFDIR}/rsyncd.pid"
-CONFFILE="${CONFDIR}/rsyncd.conf"
-SECRETS="${CONFDIR}/rsyncd.secrets"
-
-mkdir -p "${CONFDIR}"
-
-if [[ -f "${PIDFILE}" ]]; then
-  PID=$(cat "${PIDFILE}")
-  echo "Cleaning up old PID file: ${PIDFILE}"
-  kill "${PID}" &> /dev/null || true
-  rm "${PIDFILE}"
-fi
-
-PASSWORD=$(</rsyncd.password)
-
-cat <<EOF >"${SECRETS}"
-k8s:${PASSWORD}
-EOF
-chmod go= "${SECRETS}"
-
-USER_CONFIG=
-if [[ "$(id -u)" == "0" ]]; then
-  USER_CONFIG="  uid = 0"$'\n'"  gid = 0"
-fi
-
-cat <<EOF >"${CONFFILE}"
-pid file = ${PIDFILE}
-use chroot = no
-log file = /dev/stdout
-reverse lookup = no
-munge symlinks = no
-port = 8730
-[k8s]
-  numeric ids = true
-  $USER_CONFIG
-  hosts deny = *
-  hosts allow = ${ALLOW} ${ALLOW_HOST-}
-  auth users = k8s
-  secrets file = ${SECRETS}
-  read only = false
-  path = ${VOLUME}
-  filter = - /_tmp/
-EOF
-
-exec /usr/bin/rsync --no-detach --daemon --config="${CONFFILE}" "$@"