Add support of performance settings like 'SET GLOBAL max_allowed_packet=1073741824'.

borg2-backup-nc.sh

@@ -210,6 +210,9 @@ DEFAULT_BORG_RSH='ssh -i /root/.ssh/id_ed25519-borg-backup'
 
 DEFAULT_NC_DB_BACKUP_DIR="/data/backup/sql"
 
+DEFAULT_MYSQL_CREDENTIALS="-u root -S /run/mysqld/mysqld.sock"
+DEFAULT_MYSQL_PERFORMANCE_SETTINGS=false
+
 DEFAULT_BACKUP_OTHER_DIRECTORIES="/etc /home /root /var/spool/cron"
 
 DEFAULT_KEEP_DAILY=10
@@ -233,15 +236,17 @@ else
    fatal  "No configuration file '$conf_file' present!"
 fi
 
+[[ -z "${ADMIN_EMAIL}" ]] && ADMIN_EMAIL="${DEFAULT_ADMIN_EMAIL}"
+[[ -z "${COMPANY}" ]] && COMPANY="${DEFAULT_COMPANY}"
+[[ -z "${FROM_ADDRESS}" ]] && FROM_ADDRESS="${DEFAULT_FROM_ADDRESS}"
+
+[[ -z "${MYSQL_CREDENTIALS}" ]] && MYSQL_CREDENTIALS="${DEFAULT_MYSQL_CREDENTIALS}"
+[[ -z "${MYSQL_PERFORMANCE_SETTINGS}" ]] && MYSQL_PERFORMANCE_SETTINGS=${DEFAULT_MYSQL_PERFORMANCE_SETTINGS}
 
 # -------------
 # - Job is already running?
 # -------------
 
-[[ -z "${ADMIN_EMAIL}" ]] && ADMIN_EMAIL="${DEFAULT_ADMIN_EMAIL}"
-[[ -z "${COMPANY}" ]] && COMPANY="${DEFAULT_COMPANY}"
-[[ -z "${FROM_ADDRESS}" ]] && FROM_ADDRESS="${DEFAULT_FROM_ADDRESS}"
-
 # - If job already runs, stop execution..
 # -
 if mkdir "$LOCK_DIR" 2> /dev/null ; then
@@ -541,49 +546,143 @@ fi
 blank_line
 
 
+if ${MYSQL_PERFORMANCE_SETTINGS}; then
+
+   # - GET current (global) Autocommit value
+   # -
+   echononl "GET current (global) value \033[1mautocommit\033[m"
+   CUR_AUTOCOMMIT="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'autocommit'" \
+      | awk '{print$2}')" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   # - GET current (global) value for 'foreign_key_checks'
+   # -
+   echononl "GET current (global) value \033[1mforeign_key_checks\033[m"
+   CUR_FOREIGN_KEY_CHECKS="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'foreign_key_checks'" \
+      | awk '{print$2}')" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   # - GET current (global) value for 'unique_checks'
+   # -
+   echononl "GET current (global) value \033[1munique_checks\033[m"
+   CUR_UNIQUE_CHECKS="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'unique_checks'" \
+      | awk '{print$2}')" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   # - GET current (global) value for 'innodb_flush_log_at_trx_commit'
+   # -
+   echononl "GET current (global) value \033[1minnodb_flush_log_at_trx_commit\033[m"
+   CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'innodb_flush_log_at_trx_commit'" \
+      | awk '{print$2}')" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   # - GET current (global) value for 'max_allowed_packet'
+   # -
+   echononl "GET current (global) value \033[1mmax_allowed_packet\033[m"
+   CUR_MAX_ALLOWED_PACKET="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'" \
+      | awk '{print$2}')" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   blank_line
+
+   echononl "Set Autocommit to OFF"
+   mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL autocommit='OFF'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set foreign_key_checks to OFF"
+   mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL foreign_key_checks='OFF'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set unique_checks to OFF"
+   mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL unique_checks='OFF'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set innodb_flush_log_at_trx_commit to 2"
+   mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=2" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set max_allowed_packet to 1G"
+   mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL max_allowed_packet=1073741824" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   blank_line
+
+fi
+
+
 # Create database backup
 #
 echononl "Create database backup .."
 
 mysql_max_allowed_packet="512M"
 cat << EOF >> ${BORG_LOG_FILE}
-mysqldump \\
+mysqldump ${MYSQL_CREDENTIALS} \\
-   --protocol=SOCKET \\
+   --single-transaction \\
    --max-allowed-packet=${mysql_max_allowed_packet} \\
-   --skip-opt \\
-   --add-drop-table \\
-   --add-locks \\
-   --create-options \\
-   --quick \\
-   --compress \\
-   --set-charset \\
-   --disable-keys \\
-   --lock-tables \\
    --routines \\
    -h localhost \\
-   -u${NC_DB_USER} \\
-   -p${NC_DB_PASS} \\
    -e ${NC_DB} > ${NC_DB_BACKUP_DIR}/${NC_DB}-${backup_date}.sql
 EOF
 
-mysqldump \
+mysqldump ${MYSQL_CREDENTIALS} \
-   --protocol=SOCKET \
+   --single-transaction \
    --max-allowed-packet=${mysql_max_allowed_packet} \
-   --skip-opt \
-   --add-drop-table \
-   --add-locks \
-   --create-options \
-   --quick \
-   --compress \
-   --set-charset \
-   --disable-keys \
-   --lock-tables \
    --routines \
    -h localhost \
-   -u${NC_DB_USER} \
-   -p${NC_DB_PASS} \
    -e ${NC_DB} > ${NC_DB_BACKUP_DIR}/${NC_DB}-${backup_date}.sql 2> ${log_file}
 
+
 if [[ $? -gt 0 ]] ; then
    echo_failed
    error "$(cat "${log_file}")"
@@ -591,6 +690,65 @@ else
    echo_ok
 fi
 
+blank_line
+
+
+if ${MYSQL_PERFORMANCE_SETTINGS}; then
+
+   echononl "Set Autocommit to $CUR_AUTOCOMMIT"
+   mysql ${MYSQL_CREDENTIALS}  -N -s -e "SET GLOBAL autocommit='$CUR_AUTOCOMMIT'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+      CUR_AUTOCOMMIT=""
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set foreign_key_checks to $CUR_FOREIGN_KEY_CHECKS"
+   mysql ${MYSQL_CREDENTIALS}  -N -s -e "SET GLOBAL foreign_key_checks='$CUR_FOREIGN_KEY_CHECKS'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+      CUR_FOREIGN_KEY_CHECKS=""
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set unique_checks to $CUR_UNIQUE_CHECKS"
+   mysql ${MYSQL_CREDENTIALS}  -N -s -e "SET GLOBAL unique_checks='$CUR_UNIQUE_CHECKS'" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+      CUR_UNIQUE_CHECKS=""
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set innodb_flush_log_at_trx_commit to $CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT"
+   mysql ${MYSQL_CREDENTIALS}  -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=$CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+      CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT=""
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+
+   echononl "Set max_allowed_packet to $CUR_MAX_ALLOWED_PACKET"
+   mysql ${MYSQL_CREDENTIALS}  -N -s -e "SET GLOBAL max_allowed_packet=$CUR_MAX_ALLOWED_PACKET" >> ${log_file} 2>&1
+   if [[ $? -eq 0 ]];then
+      echo_ok
+      CUR_MAX_ALLOWED_PACKET=""
+   else
+      echo_failed
+      error "$(cat ${log_file})"
+   fi
+ 
+   blank_line
+
+fi
+
 
 echononl "Create borg backup.."
 

borg2-backup.sh

@@ -210,7 +210,9 @@ DEFAULT_KEEP_MONTHLY=6
 DEFAULT_KEEP_YEARLY=1
 
 DEFAULT_DB_TYPE="None"
+
 DEFAULT_MYSQL_CREDENTIALS="-u root -S /run/mysqld/mysqld.sock"
+DEFAULT_MYSQL_PERFORMANCE_SETTINGS=false
 
 DEFAULT_PSQL_SYSTEM_USER="postgres"
 
@@ -314,7 +316,7 @@ fi
 
 declare -a db_type_arr=()
 
-for _db_type in ${DB_TYPE}; do 
+for _db_type in ${DB_TYPE}; do
    if [[ "${DB_TYPE,,}" = "psql" ]] || [[ "${DB_TYPE,,}" = "postgresql" ]] || [[ "${DB_TYPE,,}" = "postgres" ]] ; then
        db_type_arr+=("postgresql")
    else
@@ -324,6 +326,7 @@ done
 
 if containsElement "mysql" "${db_type_arr[@]}" ; then
    [[ -z "${MYSQL_CREDENTIALS}" ]] && MYSQL_CREDENTIALS="${DEFAULT_MYSQL_CREDENTIALS}"
+   [[ -z "${MYSQL_PERFORMANCE_SETTINGS}" ]] && MYSQL_PERFORMANCE_SETTINGS=${DEFAULT_MYSQL_PERFORMANCE_SETTINGS}
 fi
 
 if containsElement "postgresql" "${db_type_arr[@]}" ; then
@@ -389,7 +392,7 @@ if $terminal ; then
    echo -e "   DB_TYPE(s)...............: \033[33m${DB_TYPE}\033[m"
    echo ""
 
-   
+
    declare -i index=0
    for _dir in ${BACKUP_DIRECTORIES} ; do
      if [[ $index -lt 1 ]] ; then
@@ -439,7 +442,7 @@ fi
 echo "# ----------" >> ${BORG_LOG_FILE}
 echo -e "# Running script '${script_name}' on $(date +%Y.%m.%d) at $(date +%H:%M) h .."  >> ${BORG_LOG_FILE}
 echo "# ----------" >> ${BORG_LOG_FILE}
-   
+
 
 echo "" >> ${BORG_LOG_FILE}
 echo "# Script parameter settings:" >> ${BORG_LOG_FILE}
@@ -518,6 +521,122 @@ EOF
       echo_ok
    fi
 
+   blank_line
+
+   if ${MYSQL_PERFORMANCE_SETTINGS} ; then
+
+      # - GET current (global) Autocommit value
+      # -
+      echononl "GET current (global) value \033[1mautocommit\033[m"
+      CUR_AUTOCOMMIT="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'autocommit'" \
+         | awk '{print$2}')" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      # - GET current (global) value for 'foreign_key_checks'
+      # -
+      echononl "GET current (global) value \033[1mforeign_key_checks\033[m"
+      CUR_FOREIGN_KEY_CHECKS="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'foreign_key_checks'" \
+         | awk '{print$2}')" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      # - GET current (global) value for 'unique_checks'
+      # -
+      echononl "GET current (global) value \033[1munique_checks\033[m"
+      CUR_UNIQUE_CHECKS="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'unique_checks'" \
+         | awk '{print$2}')" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      # - GET current (global) value for 'innodb_flush_log_at_trx_commit'
+      # -
+      echononl "GET current (global) value \033[1minnodb_flush_log_at_trx_commit\033[m"
+      CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'innodb_flush_log_at_trx_commit'" \
+         | awk '{print$2}')" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      # - GET current (global) value for 'max_allowed_packet'
+      # -
+      echononl "GET current (global) value \033[1mmax_allowed_packet\033[m"
+      CUR_MAX_ALLOWED_PACKET="$(mysql ${MYSQL_CREDENTIALS} -N -s -e "SHOW GLOBAL VARIABLES LIKE 'max_allowed_packet'" \
+         | awk '{print$2}')" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      blank_line
+
+      echononl "Set Autocommit to OFF"
+      mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL autocommit='OFF'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set foreign_key_checks to OFF"
+      mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL foreign_key_checks='OFF'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set unique_checks to OFF"
+      mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL unique_checks='OFF'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set innodb_flush_log_at_trx_commit to 2"
+      mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=2" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set max_allowed_packet to 1G"
+      mysql ${MYSQL_CREDENTIALS} -N -s -e "SET GLOBAL max_allowed_packet=1073741824" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      blank_line
+   fi
+
+
    for _db in ${mysql_database_arr[@]} ; do
 
       echononl "   Dump MySQL Database '${_db}'.."
@@ -543,6 +662,62 @@ EOF
       fi
 
    done
+
+   blank_line
+
+   if ${MYSQL_PERFORMANCE_SETTINGS} ; then
+      echononl "Set Autocommit to $CUR_AUTOCOMMIT"
+      ${mysql_command} $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_AUTOCOMMIT'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+         CUR_AUTOCOMMIT=""
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set foreign_key_checks to $CUR_FOREIGN_KEY_CHECKS"
+      ${mysql_command} $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL foreign_key_checks='$CUR_FOREIGN_KEY_CHECKS'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+         CUR_FOREIGN_KEY_CHECKS=""
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set unique_checks to $CUR_UNIQUE_CHECKS"
+      ${mysql_command} $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL unique_checks='$CUR_UNIQUE_CHECKS'" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+         CUR_UNIQUE_CHECKS=""
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set innodb_flush_log_at_trx_commit to $CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT"
+      ${mysql_command} $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=$CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+         CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT=""
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      echononl "Set max_allowed_packet to $CUR_MAX_ALLOWED_PACKET"
+      ${mysql_command} $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL max_allowed_packet=$CUR_MAX_ALLOWED_PACKET" >> ${log_file} 2>&1
+      if [[ $? -eq 0 ]];then
+         echo_ok
+         CUR_MAX_ALLOWED_PACKET=""
+      else
+         echo_failed
+         error "$(cat ${log_file})"
+      fi
+
+      blank_line
+   fi
 fi
 
 if containsElement "postgresql" "${db_type_arr[@]}" ; then

conf/borg2-backup-nc.conf.sample

@@ -114,6 +114,31 @@
 #NC_DB_BACKUP_DIR="/data/backup/sql"
 
 
+# ---
+# DB related parameters
+# ---
+
+
+# MYSQL_PERFORMANCE_SETTINGS
+#
+# To increase performance, some global variables are changed before writing the database dump.
+#
+# Settings are:
+#     - SET GLOBAL autocommit='OFF'
+#     - SET GLOBAL foreign_key_checks='OFF'
+#     - SET GLOBAL unique_checks='OFF'
+#     - SET GLOBAL innodb_flush_log_at_trx_commit=2
+#     SET GLOBAL max_allowed_packet=1073741824
+#
+# After the databases have been backed up, the values are reset.
+#
+# Defaults to:
+#
+#     MYSQL_PERFORMANCE_SETTINGS=false
+#
+#MYSQL_PERFORMANCE_SETTINGS=false
+
+
 # ---
 # Other Backups
 # ---

conf/borg2-backup.conf.BAK.backup.oopen.de

@@ -0,0 +1,268 @@
+#-----------------------------
+# Settings for script borg2-backup-nc.sh
+#-----------------------------
+
+# SSH_USER
+#
+# The (remote) user under which the SSH session for the
+# data transfer is running.
+#
+# Defaults to:
+#
+#     SSH_USER="borg"
+#
+#BACKUP_USER="borg"
+
+
+# SSH_PORT
+#
+# The port under which the SSH service is accessible
+#
+# Defaults to:
+#
+#     SSH_PORT=22
+#
+#SSH_PORT=22
+
+
+# BORG_HOST
+#
+# The (remote) host on which the backups are saved.
+#
+# !! No Defaults - this parameter is mandatory
+#
+#BORG_HOST="<Fully-Qualified Host Name>"
+BORG_HOST="backup.warenform.de"
+
+
+# BORG_RSH
+#
+# The command, which is used  instead of ssh.
+#
+# This can be used to specify ssh options, such as a custom identity file
+# ssh -i /path/to/private/key. See man ssh for other options.
+#
+# Using the --rsh CMD commandline option overrides the environment variable.
+#
+# Defaults to:
+#     BORG_RSH='ssh -i /root/.ssh/id_ed25519-borg-backup'
+#
+#BORG_RSH='ssh -i /root/.ssh/id_ed25519-borg-backup'
+
+
+# BORG_PASSPHRASE
+#
+# Password of the Borg Repository (which was used while initializing)
+#
+# !! No Defaults - this parameter is mandatory
+#
+#BORG_PASSPHRASE='borg-password'
+BORG_PASSPHRASE='aeHj7z5s/.j-_+gbSG/Zfz%4'
+
+
+# BORG_REPO
+#
+# The repository location on the (remote) backup host.
+#
+# !! No Defaults - this parameter is mandatory
+#
+#BORG_REPO=<path-to-the-borg-repository>
+BORG_REPO="/backup/BORG-2/backup.oopen.de"
+
+
+# BORG_LOG_DIR
+#
+# Log to this directory
+#
+# Defaults to:
+#
+#     BORG_LOG_DIR="/var/log/borg"
+#
+#BORG_LOG_DIR="/var/log/borg"
+
+
+# ---
+# DB related parameters
+# ---
+
+# DB_TYPE
+#
+# Which database ist installed?
+#
+# possible values:
+#     - MySQL
+#     - PostgreSQL or postgres or psql 
+#     - None
+#
+# Defaults to:
+#
+#  DB_TYPE="None"
+#
+# DB_TYPE="None"
+DB_TYPE="MySQL"
+
+
+# MYSQL_CREDENTIALS
+#
+# Giving password on command line is insecure an sind mysql 5.5
+# you will get a warning doing so.
+#
+# Reading username/password fro file ist also possible, using MySQL/MariaDB
+# commandline parameter '--defaults-file'.
+#
+# Since Version 5.6, that method is considered as insecure.
+# To avoid giving the password on command line, we use an
+# encrypted option file
+#
+#    Create (encrypted) option file:
+#    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
+#    $ Password:
+#
+#    Use of option file:
+#    $ mysql --login-path=local ...
+#
+# Example
+#    MYSQL_CREDENTIALS="--login-path=local"
+#    MYSQL_CREDENTIALS="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
+#    MYSQL_CREDENTIALS="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+#
+# Defaults to:
+#
+#     MYSQL_CREDENTIALS="-u root -S /run/mysqld/mysqld.sock"
+#
+#MYSQL_CREDENTIALS="-u root -S /run/mysqld/mysqld.sock"
+
+
+# PSQL_SYSTEM_USER
+#
+# User who owns PostgreSQL services
+#
+# Defaults to:
+#
+#     PSQL_SYSTEM_USER="postgres"
+#
+#PSQL_SYSTEM_USER="postgres"
+
+
+# DB_BACKUP_DIR
+#
+# Directory in which current database dumps are stored (and transferred to the repository)
+#
+# Defaults to:
+#
+#     DB_BACKUP_DIR="/data/backup/sql"
+#
+#DB_BACKUP_DIR="/data/backup/sql"
+
+
+# ---
+# Backups directories
+# ---
+
+# BACKUP_DIRECTORIES
+#
+# Directories (or files) that should be backed up
+#
+# Defaults to:
+#
+#     BACKUP_DIRECTORIES="/etc /home /root /var/spool/cron"
+#
+# - Blank separated list of directories -
+#
+#BACKUP_DIRECTORIES="/etc /home /root /var/spool/cron"
+BACKUP_DIRECTORIES="/etc /home /root /var/spool/cron"
+
+
+# KEEP_DAILY
+#
+# Number of daily archives to keep
+#
+# Defaults to:
+#
+#     KEEP_DAILY=10
+#
+#KEEP_DAILY=10
+
+
+# KEEP_WEEKLY
+#
+# Number of weekly archives to keep
+#
+# Defaults to:
+#
+#     KEEP_WEEKLY=5
+#
+#KEEP_WEEKLY=5
+
+
+# KEEP_MONTHLY
+#
+# Number of monthly archives to keep
+#
+# Defaults to:
+#
+#     KEEP_MONTHLY=6
+#
+#KEEP_MONTHLY=6
+
+
+# KEEP_YEARLY
+#
+# Number of yearly archives to keep
+#
+# Defaults to:
+#
+#     KEEP_YEARLY=1
+#
+#KEEP_YEARLY=1
+
+
+# ---
+# Restore Parameters
+# ---
+
+# BORG_FUSE_MOUNT_DIR
+#
+# Mountpoint where to mount an borg backup archiv as a FUSE filesystem.
+#
+# Defaults to:
+#
+#     BORG_MOUNT_FUSE_DIR="/mnt/borg-fuse-mount"
+#
+#BORG_MOUNT_FUSE_DIR="/mnt/borg-fuse-mount"
+
+
+# ---
+# Alert Parameters
+# ---
+
+# ADMIN_EMAIL
+#
+# Send Informations about the backup prozess to this e-mail address
+#
+# Defaults to:
+#
+#     ADMIN_EMAIL="root"
+#
+#ADMIN_EMAIL="root"
+
+
+# FROM_ADDRESS
+#
+# Defaults to:
+#
+#     "borg-backup@$(hostname -f)"
+#
+#FROM_ADDRESS=""
+
+
+# COMPANY
+#
+# DEFAULTS to
+# Defaults to:
+#
+#     COMPANY="O.OPEN"
+#
+#COMPANY="O.OPEN"
+COMPANY="O.OPEN"
+

conf/borg2-backup.conf.sample

@@ -130,6 +130,26 @@
 #MYSQL_CREDENTIALS="-u root -S /run/mysqld/mysqld.sock"
 
 
+# MYSQL_PERFORMANCE_SETTINGS
+#
+# To increase performance, some global variables are changed before writing the database dump.
+#
+# Settings are:
+#     - SET GLOBAL autocommit='OFF'
+#     - SET GLOBAL foreign_key_checks='OFF'
+#     - SET GLOBAL unique_checks='OFF'
+#     - SET GLOBAL innodb_flush_log_at_trx_commit=2
+#     SET GLOBAL max_allowed_packet=1073741824
+#
+# After the databases have been backed up, the values are reset.
+#
+# Defaults to:
+#
+#     MYSQL_PERFORMANCE_SETTINGS=false
+#
+#MYSQL_PERFORMANCE_SETTINGS=false
+
+
 # PSQL_SYSTEM_USER
 #
 # User who owns PostgreSQL services