iankelling.org Git - log-quiet/blob - sysd-prom-fail-install

   1 #!/bin/bash
   2 # Copyright (C) 2022 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 source /a/bin/errhandle/err
  17 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  18
  19 ser_name=$1
  20
  21 mkdir -p /var/lib/prometheus/node-exporter
  22
  23 f=/var/local/sysd-prom-fail/${ser_name}-result-fail.prom
  24
  25
  26 if [[ ! -s /var/lib/prometheus/node-exporter/${ser_name}-result-fail.premerge ]]; then
  27   SERVICE_RESULT=success /usr/local/bin/sysd-prom-fail $ser_name
  28 fi
  29
  30 tmp=$(mktemp)
  31
  32 cat >>$tmp <<EOF
  33 [Service]
  34 ExecStopPost=+/usr/local/bin/sysd-prom-fail $ser_name
  35 EOF
  36
  37 dir=/etc/systemd/system/$ser_name.service.d
  38 mkdir -p $dir
  39 out=$(rsync -cipgo --chmod=644 --chown=root:root $tmp $dir/sysd-prom-fail.conf)
  40 if [[ $out ]]; then
  41   echo $0: systemctl daemon-reload
  42   systemctl daemon-reload
  43   if systemctl is-active $ser_name &>/dev/null; then
  44     echo $0: systemctl restart $ser_name
  45     systemctl restart $ser_name ||:
  46   fi
  47 fi