2 # I, Ian Kelling, follow the GNU license recommendations at
3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
4 # recommend that small programs, < 300 lines, be licensed under the
5 # Apache License 2.0. This file contains or is part of one or more small
6 # programs. If a small program grows beyond 300 lines, I plan to switch
9 # Copyright 2024 Ian Kelling
11 # Licensed under the Apache License, Version 2.0 (the "License");
12 # you may not use this file except in compliance with the License.
13 # You may obtain a copy of the License at
15 # http://www.apache.org/licenses/LICENSE-2.0
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
25 # requires 1.4.0 to run with multiple units due to bug before that:
26 # https://github.com/prometheus/node_exporter/pull/2475
29 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
31 if [[ ! $SERVICE_RESULT ]]; then
32 echo "$0: error, no SERVICE_RESULT var."
38 if [[ ! $ser_name ]]; then
39 echo "$0: error, no arg service name passed."
43 dir
=/var
/lib
/prometheus
/node-exporter
44 if [[ ! -e $dir ]]; then
48 f
=$dir/${ser_name}-result.prom
54 # https://www.freedesktop.org/software/systemd/man/systemd.exec.html
55 if [[ $SERVICE_RESULT != success
]]; then
63 count
=$
(( count
+ 1 ))
73 printf 'node_systemd_unit_result_fail_count{name="%s"} %s\n' "$ser_name" "$count" >$ftmp