delete build-image

we no longer need this now that we run kube-cross directly
This commit is contained in:
Benjamin Elder 2025-10-15 20:24:12 -07:00
parent 3b632270e9
commit b3ad67739a
3 changed files with 0 additions and 141 deletions

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# 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

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#!/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}" "$@"