63 lines
1.7 KiB
Bash
63 lines
1.7 KiB
Bash
#!/bin/sh -e
|
|
# -*- mode: sh; indent-tabs-mode: t -*-
|
|
#
|
|
# 2021 Dennis Camera (dennis.camera 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/>.
|
|
#
|
|
|
|
postgres_user=$("${__type_explorer:?}/postgres_user")
|
|
conf_name=${__object_id:?}
|
|
|
|
quote() { printf '%s\n' "$*" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/'/"; }
|
|
psql_exec() {
|
|
su - "${postgres_user}" -c "psql postgres -twAc $(quote "$*")"
|
|
}
|
|
|
|
psql_conf_source() {
|
|
# NOTE: SHOW/SET are case-insentitive, so this command should also be.
|
|
psql_exec "SELECT CASE WHEN source = 'default' OR setting = boot_val THEN 'default' ELSE source END FROM pg_settings WHERE lower(name) = lower('$1')"
|
|
}
|
|
psql_conf_cmp() {
|
|
test "$(psql_exec "SHOW $1")" = "$2"
|
|
}
|
|
|
|
psql_exec 'SELECT 1' >/dev/null || {
|
|
echo 'Connection to PostgreSQL server failed' >&2
|
|
exit 1
|
|
}
|
|
|
|
if psql_conf_cmp "${conf_name}" "$(cat "${__object:?}/parameter/value")"
|
|
then
|
|
echo present
|
|
else
|
|
case $(psql_conf_source "${conf_name}")
|
|
in
|
|
('')
|
|
# invalid configuration parameter
|
|
# (error message was already printed by SHOW command above.
|
|
# Yes, it's a hack)
|
|
exit 1
|
|
;;
|
|
(default)
|
|
echo absent
|
|
;;
|
|
(*)
|
|
echo different
|
|
;;
|
|
esac
|
|
fi
|