grombak.xfs

#!/bin/bash
export PATH=/sbin:/usr/sbin:/usr/bin:/bin
set -e
recover_svcs() {
  /usr/bin/systemctl start gromox-midb.service gromox-imap.service gromox-pop3.service
  if [ -d "$SNAPPATH" ]; then
	  umount "$SNAPPATH"
	  /usr/sbin/lvremove -y /dev/gromox/s_maildir 
  fi
}
trap "recover_svcs" ERR

SERVICES=( gromox-midb.service gromox-imap.service gromox-pop3.service )

BACKUPROOT=$(awk '/grom.*nfs/ {print $2}' /etc/fstab)
GROMOXSRC=/var/lib/gromox 

#LASTBACKUPDIR=$(basename $(ls -td $BACKUPROOT/grombak/* | head -1))
#NEWBACKUPDIR="$BACKUPROOT/grombak/$(date +%Y%m%d-%H%M)"
NEWBACKUPDIR="$BACKUPROOT/grombak/zfs"

ETCFLDS="grom\|postfix\|redis\|nginx"
RSYNCOPTS="-au --partial --delete-after"
#RSYNCOPTS="-HPaS --partial"
#if [ -t ]; then RSYNCOPTS="$RSYNCOPTS --progress"; fi
if [ -t 1 ]; then RSYNCOPTS="$RSYNCOPTS --info=progress2"; fi
MYSQLDUMPOPTS="--single-transaction --routines --triggers --events --add-drop-database"

#Check if dir exists or exit
if [ ${#BACKUPROOT} -gt 0 ]; then
  if grep -qs "${BACKUPROOT}" /proc/mounts; then
    #echo "NFS-Mount available."
    true
  else
    echo "${BACKUPROOT} not mounted."
    #    mount "${BACKUPROOT}"
    if mount "${BACKUPROOT}"; then
      echo "Successfully mounted ${BACKUPROOT}"
    else
      echo "Failed to mount ${BACKUPROOT}, exiting."
      exit 1
    fi
  fi
else
  echo "Couldn't mount backup directory, exiting."
  exit 1
fi

#get mysql-info's and `eval` so they will be available as var
MYSQL_CFG="/etc/gromox/mysql_adaptor.cfg"
if [ ! -e "${MYSQL_CFG}" ] ; then
  echo "MySQL configuration not found. ($MYSQL_CFG)"
  exit 1
fi
MYSQL_USERNAME=$(sed -ne 's/^mysql_username\s*=\s*\(.*\)/\1/p' ${MYSQL_CFG})
if [ -z "$MYSQL_USERNAME" ]; then
  MYSQL_USERNAME="root"
fi
MYSQL_PASSWORD=$(sed -ne 's/^mysql_password\s*=\s*\(.*\)/\1/p' ${MYSQL_CFG})
MYSQL_DBNAME=$(sed -ne 's/^mysql_dbname\s*=\s*\(.*\)/\1/p' ${MYSQL_CFG})
if [ -z "$MYSQL_DBNAME" ]; then
  MYSQL_DBNAME="grommunio"
fi
if [ "${MYSQL_DBNAME:0:1}" = "-" ]; then
  echo "Cannot use that dbname: ${MYSQL_DBNAME}"
  exit 1
fi
MYSQL_HOST=$(sed -ne 's/^mysql_host\s*=\s*\(.*\)/-h\1/p' ${MYSQL_CFG})
if [ -z "$MYSQL_HOST" ]; then
  MYSQL_HOST="localhost"
fi
#MYSQL_QUERY="SELECT username,maildir from users where id <> 0 and maildir <> \"\";"

CONFIG_FILE=$(mktemp)
cat <<CONFFILE >"${CONFIG_FILE}"
[client]
user=${MYSQL_USERNAME}
password=${MYSQL_PASSWORD}
host=${MYSQL_HOST}
CONFFILE

cleanup() { rm -f "$CONFIG_FILE" ; }
trap cleanup EXIT

date -Is
echo "Restarting ${SERVICES[@]/.service/}"
# restart services to/and cleanup sqlites
/usr/bin/systemctl restart ${SERVICES[@]}
date -Is
echo "Running cleanup tasks for Mailboxes"
for d in $(grommunio-admin user query maildir |sed '/^$/d'); do
  /usr/sbin/gromox-mbop -d $d purge-softdelete -t 30d -r IPM_SUBTREE
  /usr/sbin/gromox-mbop -d $d purge-datafiles
  /usr/sbin/gromox-mbop -d $d vacuum
done
date -Is

# Try to create a LVM-Snapshot
DISKSOURCE=$(findmnt /var/lib/gromox --noheadings --output SOURCE)
# Check if it is a lvm volume
if lvdisplay "$DISKSOURCE" >/dev/null; then
  echo "LVM-Snapshot"
  date -Is
  if /sbin/lvcreate -l100%FREE --snapshot --name s_maildir /dev/gromox/maildir; then
    ## TEMPORARY MOUNT POINT
    SNAPPATH=$(mktemp --suffix=lvmsnap --directory)
    ## MOUNT XFS ( we need -o nouuid as xfs doesn't like duplicates of UUIDs )
    /usr/bin/mount -o nouuid /dev/gromox/s_maildir "$SNAPPATH"
    GROMOXSRC=$SNAPPATH
    date -Is
    echo "Snapshot created and mounted."
  fi
fi
# Whether we have a snapshot or not, we can start the Services again.
#echo "Starting midb/pop3/imap services"
#/bin/date -Is
#/usr/bin/systemctl start ${SERVICES[@]}

#CREATE BACKUPDIRS
mkdir -p ${NEWBACKUPDIR}/{confs,mysql,fs} || echo "[ERROR] could not create Directories in ${BACKUPROOT}"

#CONFIGS
date -Is
echo "Creating archive of etc-configs"
cd /
find /etc -maxdepth 1 -type d -iregex ".*\(${ETCFLDS}\).*" -exec tar -czf "${NEWBACKUPDIR}/confs/etc.tar.gz" {} +  || echo "[ERROR] config-files"
ls -sh "${NEWBACKUPDIR}/confs/etc.tar.gz"
#MYSQLDUMP
# shellcheck disable=SC2154
date -Is
echo "Creating mysqldump"
COMMAND="mysqldump --defaults-file=${CONFIG_FILE} -B ${MYSQL_DBNAME} ${MYSQLDUMPOPTS}"
$COMMAND > "${NEWBACKUPDIR}/mysql/${MYSQL_DBNAME}.sql" || (echo "[ERROR] ${COMMAND}")
ls -sh "${NEWBACKUPDIR}/mysql/${MYSQL_DBNAME}.sql" 

#RSYNC
date -Is
echo "Starting Rsync of $GROMOXSRC"
#COMMAND="rsync ${RSYNCOPTS} --log-file $NEWBACKUPDIR/rsync.log --link-dest ../$LASTBACKUPDIR ${GROMOXSRC[@]} $NEWBACKUPDIR/fs"
echo > $NEWBACKUPDIR/rsync.log
COMMAND="rsync ${RSYNCOPTS} --log-file $NEWBACKUPDIR/rsync.log $GROMOXSRC/* $NEWBACKUPDIR/fs"
#rm -rf ${LATESTBACKUPDIR}
time -p $COMMAND || echo "[ERROR] ${COMMAND}"

# cleanup working snapshot
if [ -d "$SNAPPATH" ]; then 
	echo "Deleting snapshot $SNAPPATH"
	umount -v "$SNAPPATH"
	/usr/sbin/lvremove -y /dev/gromox/s_maildir 
fi

echo
/bin/date -Is
echo "Data usage:"
echo "grommunio-admin fs du:"
time -p /usr/sbin/grommunio-admin fs du
echo
echo "Backup directory:"
time -p /usr/bin/du -hs "${BACKUPROOT}"
date -Is