iankelling.org Git - distro-setup/blob - primary-setup

   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 # usage $0 [MAIL_HOST]
  25 # setup things which involve being the primary host or not
  26
  27 set -e; . /usr/local/lib/bash-bear; set +e
  28
  29 script_name="${BASH_SOURCE[0]}"
  30 script_name="${script_name##*/}"
  31 pre="$script_name:${0##*/}:${SSH_CLIENT:+ $HOSTNAME:}"
  32 m() { printf "$pre %s\n"  "$*"; "$@"; }
  33 e() { printf "$pre %s\n"  "$*"; }
  34 err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }
  35 # service maybe
  36 serm() {
  37   local service
  38   service="${*: -1}"
  39   if [[ ! -s /etc/systemd/system/$service ]]; then
  40     return 0
  41   fi
  42   m "$@"
  43 }
  44
  45 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  46
  47 if [[ $1 ]]; then
  48   new_host=$1
  49   if [[ $new_host == localhost ]]; then
  50     new_host=$HOSTNAME
  51   fi
  52   m sed -ri "s/MAIL_HOST=.*/MAIL_HOST=$new_host/" /a/bin/bash_unpublished/source-state
  53 fi
  54 source /a/bin/bash_unpublished/source-state
  55
  56 # fixing up a bad state that servers got in.
  57 if [[ -e /dev/shm/iank-status ]]; then
  58   chown iank.iank /dev/shm/iank-status
  59 fi
  60
  61
  62 if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
  63   mailhost_p=1
  64 else
  65   mailhost_p=0
  66 fi
  67 # https://www.robustperception.io/how-to-have-labels-for-machine-roles
  68 dir=/var/lib/prometheus/node-exporter
  69 if [[ -e $dir  ]]; then
  70   cat > $dir/mailhost.prom <<EOF
  71 host_role{role="mailhost"} $mailhost_p
  72 EOF
  73 fi
  74
  75
  76
  77 if [[ $HOSTNAME == "$MAIL_HOST" || $HOSTNAME == kd ]]; then
  78   m systemctl --now enable btrbk.timer
  79 else
  80   serm systemctl --now disable btrbk.timer
  81 fi
  82
  83
  84 if dpkg -s rss2email &>/dev/null; then
  85   if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
  86     # arbtt disabled for now
  87     #DISPLAY=:0 arbtt-capture --sample-rate=10 &
  88     m systemctl --now enable rss2email.timer
  89   else
  90     files=(/sysd-mail-once/btrbk*)
  91     if (( ${#files[@]} )); then
  92       rm -f ${files[@]}
  93     fi
  94
  95     serm systemctl stop rss2email.service
  96     serm systemctl --now disable rss2email.timer
  97     # arbtt disabled for now
  98     # for ((i=0; i<10; i++)); do
  99     #   killall arbtt-capture || break
 100     #   sleep 1
 101     #   if [[ $i == 9 ]]; then
 102     #     exit 1
 103     #   fi
 104     # done
 105   fi
 106 fi
 107
 108 # todo: whats going on here? figure out if this should be removed.
 109
 110 # if dpkg -s radicale &>/dev/null; then
 111 #   if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
 112 #     m systemctl restart radicale
 113 #     m systemctl enable radicale
 114 #     if [[ -e /etc/logrotate.d/radicale.disabled ]]; then
 115 #       m mv /etc/logrotate.d/radicale{.disabled,}
 116 #     fi
 117 #   else
 118 #     m systemctl stop radicale
 119 #     m systemctl disable radicale
 120 #     # weekly logrotate tries to restart radicale even if it's a disabled service in flidas.
 121 #     if [[ -e /etc/logrotate.d/radicale ]]; then
 122 #       m mv /etc/logrotate.d/radicale{,.disabled}
 123 #     fi
 124 #   fi
 125 # fi
 126
 127
 128 # todo: this needs to be disabled earlier than primary-setup in switch-mail-host
 129
 130 # if dpkg -s profile-sync-daemon &>/dev/null; then
 131 #   if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
 132 #     m systemctl --user start psd
 133 #     m systemctl --user enable psd
 134 #   else
 135 #     m systemctl --user stop psd
 136 #     m systemctl --user disable psd
 137 #   fi
 138 # fi
 139
 140
 141 m /a/exe/mail-setup
 142 exit 0