cdist/cdist/conf/type/__postgres_conf/gencode-remote

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#!/bin/sh -e
# -*- mode: sh; indent-tabs-mode: t -*-
#
# 2019 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
# 2020 Beni Ruef (bernhard.ruef at ssrq-sds-fds.ch)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
os=$(cat "${__global:?}/explorer/os")
state_should=$(cat "${__object:?}/parameter/state")
if [ "${state_should}" != 'present' ] && [ "${state_should}" != 'absent' ]
then
echo "Invalid state '${state_should}'." \
'Only "present" and "absent" are acceptable' >&2
exit 1
fi
if [ "${state_should}" = 'present' ] && [ ! -f "${__object}/parameter/value" ]
then
echo 'Missing required parameter "value"' >&2
exit 1
fi
# Parameters
conf_name="${__object_id:?}"
if [ -f "${__object}/parameter/value" ]
then
conf_value=$(cat "${__object}/parameter/value")
fi
if [ "${state_should}" = 'present' ]
then
set_command="ALTER SYSTEM SET ${conf_name} = ${conf_value}"
else
set_command="ALTER SYSTEM SET ${conf_name} = DEFAULT"
fi
case $os
in
openbsd|devuan)
case $os
in
openbsd)
postgres_user='_postgresql'
restart_command='/etc/rc.d/postgresql restart'
;;
devuan)
postgres_user='postgres'
restart_command='/etc/init.d/postgresql restart'
;;
esac
# needs two separate psql commands because ALTER SYSTEM
# cannot run inside a transaction block
cat <<-EOF
su - ${postgres_user} -c "psql postgres -qwc \
\"${set_command}\""
su - ${postgres_user} -c "psql postgres -twAc \
\"SELECT pg_reload_conf()\""
EOF
# check success (makes only sense if setting to a non-default value)
# and restart server if needed
if [ "${state_should}" = 'present' ]
then
cat <<-EOF
if [ \$(su - ${postgres_user} -c "psql postgres -twAc \"SHOW ${conf_name}\"") != '${conf_value}' ]
then
${restart_command}
fi
EOF
fi
;;
*)
echo "Unsupported OS: ${os}" >&2
exit 1
;;
esac