added backup script

contrib/backup/config

@@ -0,0 +1,10 @@
+#!/bin/bash
+#
+# zammad backup script config
+#
+
+ZAMMAD_DIR="/opt/zammad"
+DATABASE_CONFIG="config/database.yml"
+BACKUP_DIR="/var/tmp/zammad_backup"
+HOLD_DAYS="10"
+DEBUG="yes"

contrib/backup/functions

@@ -0,0 +1,50 @@
+#!/bin/bash
+#
+# zammad backup script functions
+#
+
+function get_backup_date () {
+    TIMESTAMP="$(date +'%Y%m%d%H%M%S')"
+
+    if [ "${DEBUG}" == "yes" ]; then
+	echo "timestamp is ${TIMESTAMP}"
+    fi
+}
+
+function delete_old_backups () {
+    find ${BACKUP_DIR}/*_zammad_*.gz -maxdepth 2 -mindepth 2 -type f -mtime +${HOLD_DAYS} -exec rm -r \;
+}
+
+function get_db_credentials () {
+    DB_ADAPTER="$(grep 'adapter:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*adapter:\(\| \)//g')"
+    DB_NAME="$(grep 'database:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*database:\(\| \) //g')"
+    DB_USER="$(grep 'username:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*username:\(\| \)//g')"
+    DB_PASS="$(grep 'password:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*password:\(\| \)//g')"
+
+    if [ "${DEBUG}" == "yes" ]; then
+	echo "adapter=${DB_ADAPTER} dbname=${DB_NAME} dbuser=${DB_USER} dbpass=${DB_PASS}"
+    fi
+}
+
+function backup_dir_create () {
+    test -d ${BACKUP_DIR} || mkdir -p ${BACKUP_DIR}
+
+    if [ "${DEBUG}" == "yes" ]; then
+	echo "backup dir is ${BACKUP_DIR}"
+    fi
+}
+
+function backup_files () {
+    tar -czf ${BACKUP_DIR}/${TIMESTAMP}_zammad_files.tar.gz ${ZAMMAD_DIR}
+}
+
+function backup_db () {
+    if [ "${DB_ADAPTER}" == "mysql2" ]; then
+	mysqldump --opt --single-transaction ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.mysql.gz
+    elif [ "${DB_ADAPTER}" == "postgresql" ]; then
+	su -c "pg_dump ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.psql.gz" postgres
+    else 
+	echo "ADAPTER not found. if its sqlite backup is already saved in filebackup"
+    fi
+}
+

contrib/backup/zammad_backup.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+# zammad backup script
+#
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:
+
+# import config
+. config
+
+# import functions
+. functions
+
+delete_old_backups
+
+# check if database.yml exists
+if [ -f ${ZAMMAD_DIR}/${DATABASE_CONFIG} ]; then
+    get_db_credentials
+else
+    echo "${ZAMMAD_DIR}//${DATABASE_CONFIG} is missing. is zammad configured yet?"
+    exit 1
+fi
+
+get_backup_date
+
+backup_dir_create
+
+backup_files
+
+backup_db