124 lines
3.0 KiB
Bash
Executable File
124 lines
3.0 KiB
Bash
Executable File
#!/bin/sh -e
|
|
# -*- mode: sh; indent-tabs-mode: t -*-
|
|
#
|
|
# 2019-2021 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/>.
|
|
#
|
|
|
|
state_is=$(cat "${__object:?}/explorer/state")
|
|
state_should=$(cat "${__object:?}/parameter/state")
|
|
postgres_user=$(cat "${__object:?}/explorer/postgres_user")
|
|
|
|
conf_name=${__object_id:?}
|
|
|
|
if test "${state_is}" = "${state_should}"
|
|
then
|
|
exit 0
|
|
fi
|
|
|
|
quote() {
|
|
for _arg
|
|
do
|
|
shift
|
|
if test -n "$(printf '%s' "${_arg}" | tr -d -c '\t\n \042-\047\050-\052\073-\077\133\\`|~' | tr -c '' '.')"
|
|
then
|
|
# needs quoting
|
|
set -- "$@" "'$(printf '%s' "${_arg}" | sed -e "s/'/'\\\\''/g")'"
|
|
else
|
|
set -- "$@" "${_arg}"
|
|
fi
|
|
done
|
|
unset _arg
|
|
|
|
# NOTE: Use printf because POSIX echo interprets escape sequences
|
|
printf '%s' "$*"
|
|
}
|
|
|
|
|
|
psql_cmd() {
|
|
printf 'su - %s -c %s\n' "$(quote "${postgres_user}")" "$(quote "$(quote psql "$@")")"
|
|
}
|
|
|
|
case ${state_should}
|
|
in
|
|
(present)
|
|
test -s "${__object:?}/parameter/value" || {
|
|
echo 'Missing required parameter --value' >&2
|
|
exit 1
|
|
}
|
|
|
|
cat <<-EOF
|
|
exec 3< "\${__object:?}/parameter/value"
|
|
$(psql_cmd postgres -tAwq -o /dev/null -v ON_ERROR_STOP=on) <<'SQL'
|
|
\\set conf_value \`cat <&3\`
|
|
ALTER SYSTEM SET ${conf_name} = :'conf_value';
|
|
SELECT pg_reload_conf();
|
|
SQL
|
|
exec 3<&-
|
|
EOF
|
|
;;
|
|
(absent)
|
|
psql_cmd postgres -qwc "ALTER SYSTEM SET ${conf_name} TO DEFAULT"
|
|
;;
|
|
(*)
|
|
printf 'Invalid --state: %s\n' "${state_should}" >&2
|
|
printf 'Only "present" and "absent" are acceptable.\n' >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
# Restart PostgreSQL server if required to apply new configuration value
|
|
cat <<EOF
|
|
|
|
if test 't' = "\$($(psql_cmd postgres -twAc "SELECT pending_restart FROM pg_settings WHERE lower(name) = lower('${conf_name}')"))"
|
|
then
|
|
$(
|
|
init=$(cat "${__global:?}/explorer/init")
|
|
case ${init}
|
|
in
|
|
(systemd)
|
|
echo 'systemctl restart postgresql.service'
|
|
;;
|
|
(*openrc*)
|
|
echo 'rc-service postgresql restart'
|
|
;;
|
|
(sysvinit)
|
|
echo '/etc/init.d/postgresql restart'
|
|
;;
|
|
(init)
|
|
case $(cat "${__global:?}/explorer/kernel_name")
|
|
in
|
|
(FreeBSD)
|
|
echo '/usr/local/etc/rc.d/postgresql restart'
|
|
;;
|
|
(OpenBSD|NetBSD)
|
|
echo '/etc/rc.d/postgresql restart'
|
|
;;
|
|
(*)
|
|
echo "Unsupported operating system. Don't know how to restart services." >&2
|
|
exit 1
|
|
esac
|
|
;;
|
|
(*)
|
|
printf "Don't know how to restart services with your init (%s)\n" "${init}" >&2
|
|
exit 1
|
|
esac
|
|
)
|
|
fi
|
|
EOF
|