iankelling.org Git - distro-setup/blob - check-remote-mailqs

   1 #!/bin/bash
   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
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  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
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  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.
  22
  23
  24 if [ -z "$BASH_VERSION" ]; then echo "error: shell is not bash" >&2; exit 1; fi
  25
  26 source /a/bin/bash-bear-trap/bash-bear
  27
  28 shopt -s nullglob
  29 shopt -s dotglob
  30
  31 # temp disabled: x2wg kwwg
  32 # this list duplicated in brc2 ralerts
  33 for h in bk je li x3wg kdwg sywg; do
  34   statedir=/b/bash_unpublished/mailq-state
  35   statefile=$statedir/$h
  36   [[ -d $statedir ]] || continue
  37   if [[ $HOSTNAME == "${h%wg}" ]]; then
  38     rm -f $statefile
  39     continue
  40   fi
  41   if c=$(timeout -v 10 ssh root@$h.b8.nz /usr/local/bin/check-mailq 2>&1 ); then
  42     rm -f $statefile
  43     if [[ $c ]]; then
  44       echo q:$h=$c
  45     fi
  46   else
  47     if [[ -s $statefile ]]; then
  48       logsec=$(date +%s -d "$(head -n1 $statefile | awk '{print $1,$2}')")
  49       case $h in
  50         frodo)
  51           hours=200
  52           ;;
  53         *)
  54           hours=20
  55           ;;
  56         esac
  57       if (( logsec < EPOCHSECONDS - 60*60*hours )); then
  58         echo $0: host $h ssh /usr/local/bin/check-mailq fail for over $hours hours
  59       fi
  60     fi
  61     printf "%s\n" "$c" | ts "%F %T" >> $statefile
  62   fi
  63 done