71 lines
1.9 KiB
Text
71 lines
1.9 KiB
Text
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#!/bin/bash
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# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Helper script that installs a package, wrapping it with a policy that
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# means we won't try to start services.
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set -o errexit
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set -o nounset
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set -o pipefail
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ACTION=${1}
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NAME=${2}
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VERSION=${3}
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SRC=${4}
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if [[ -z "${ACTION}" || -z "${NAME}" || -z "${VERSION}" || -z "${SRC}" ]]; then
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echo "Syntax: ${0} <action> <name> <version> <src>"
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exit 1
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fi
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old_policy=""
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function install_no_start {
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# Query the existing installed version, assuming that an error means package not found
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existing=`dpkg-query -W -f='${Version}' ${NAME} 2>/dev/null || echo ""`
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if [[ -n "${existing}" ]]; then
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if [[ "${existing}" == "${VERSION}" ]]; then
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return
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fi
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echo "Different version of package ${NAME} installed: ${VERSION} vs ${existing}"
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fi
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if [[ -e "/usr/sbin/policy-rc.d" ]]; then
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tmpfile=`mktemp`
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mv /usr/sbin/policy-rc.d ${tmpfile}
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old_policy=${tmpfile}
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fi
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trap cleanup EXIT
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echo -e '#!/bin/sh\nexit 101' > /usr/sbin/policy-rc.d
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chmod 755 /usr/sbin/policy-rc.d
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echo "Installing package ${NAME} from ${SRC}"
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dpkg --install ${SRC}
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}
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function cleanup {
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rm -f /usr/sbin/policy-rc.d
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if [[ -n "${old_policy}" ]]; then
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mv ${old_policy} /usr/sbin/policy-rc.d
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fi
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}
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if [[ "${ACTION}" == "install-no-start" ]]; then
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install_no_start
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else
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echo "Unknown action: ${ACTION}"
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exit 1
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fi
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