iankelling.org Git - distro-setup/blob - bk-backup

   1 #!/bin/bash
   2
   3 # usage: $0 [restore]
   4
   5 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
   6 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
   7 set -eE -o pipefail
   8 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?. PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
   9
  10 # need root for rsync pull of file ownership/perms
  11 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  12
  13 host=bk.b8.nz
  14 ret=0
  15 source /a/bin/bash_unpublished/source-state
  16
  17 restore=false
  18 case $1 in
  19   restore)
  20     restore=true
  21     ;;
  22 esac
  23
  24 # last checked 2022-03 version 23
  25 # https://docs.nextcloud.com/server/latest/admin_manual/maintenance/restore.html
  26 if $restore; then
  27   set -x
  28   for ncdir in /var/www/ncexpertpath /var/www/ncninja; do
  29     ncbase=${ncdir##*/}
  30     ssh root@$host sudo -u www-data php $ncdir/occ -q maintenance:mode --on ||: # might not be running
  31     rsync -ravhi --numeric-ids /p/bkbackup/$ncbase/ root@$host:$ncdir  || ret=$?
  32     # https://docs.nextcloud.com/server/20/admin_manual/configuration_server/occ_command.html#maintenance-commands-label
  33     ssh root@$host sudo -u www-data php $ncdir/occ -q maintenance:data-fingerprint
  34     ssh root@$host sudo -u www-data php $ncdir/occ -q maintenance:mode --off
  35   done
  36   # the dovecot thing is not needed afaik, just a good practice.
  37   ssh root@$host systemctl stop dovecot
  38   rsync -ravi --numeric-ids /p/bkbackup/m root@$host:/
  39   ssh root@$host systemctl start dovecot
  40   exit 0
  41 fi
  42
  43 ret=0
  44 if [[ $HOSTNAME == $MAIL_HOST ]]; then
  45   mkdir -p /p/bkbackup
  46   for ncdir in /var/www/ncexpertpath /var/www/ncninja; do
  47     ncbase=${ncdir##*/}
  48     mkdir -p /p/bkbackup/$ncbase
  49     ssh root@$host sudo -u www-data php $ncdir/occ -q maintenance:mode --on
  50     rsync --numeric-ids -ra --delete root@$host:$ncdir/{config,data,themes} /p/bkbackup/$ncbase || ret=$?
  51     ssh root@$host sudo -u www-data php $ncdir/occ -q maintenance:mode --off
  52     if (( ret )); then
  53       echo "$0: error: failed rsync $ncdir"
  54       ret=1
  55     fi
  56   done
  57   rsync --numeric-ids -ra --delete root@$host:/m /p/bkbackup
  58 fi
  59 exit $ret