packages/base/src/files/bin/backup.sh

   1 ###
   2 # ============LICENSE_START=======================================================
   3 # ECOMP Policy Engine
   4 # ================================================================================
   5 # Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6 # ================================================================================
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 #      http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18 # ============LICENSE_END=========================================================
  19 ###
  20
  21 #!/bin/bash
  22
  23 #########################################################################
  24 ##
  25 ## Functions
  26 ##
  27 #########################################################################
  28
  29 function usage() {
  30         echo -n "syntax: $(basename $0) "
  31         echo -n "--debug ("
  32         echo -n "[--backup <backup-dir-location>] | "
  33         echo -n "[--restore <backup-dir-location>])"
  34 }
  35
  36 function backup() {
  37         if [[ $DEBUG == y ]]; then
  38                 echo "-- ${FUNCNAME[0]} $@ --"
  39                 set -x
  40         fi
  41
  42         if [[ -z ${POLICY_HOME} ]]; then
  43                 echo "error: ${POLICY_HOME} is not set"
  44                 exit 1
  45         fi
  46
  47         BACKUP_DIR=$1
  48         if [[ -z ${BACKUP_DIR} ]]; then
  49                 echo "error: a backup directory must be provided"
  50                 usage
  51                 exit 1
  52         fi
  53
  54         /bin/mkdir -p ${BACKUP_DIR} > /dev/null 2>&1
  55         if [[ ! -d ${BACKUP_DIR} ]]; then
  56                 echo "error: ${BACKUP_DIR} is not a directory"
  57                 exit 1
  58         fi
  59
  60         if [[ ! -w ${BACKUP_DIR} ]] ; then
  61                 echo "error: ${BACKUP_DIR} is not writable"
  62                 exit 1
  63         fi
  64
  65         if [ "$(ls -A ${BACKUP_DIR})" ]; then
  66                 echo "error: ${BACKUP_DIR} must be empty"
  67                 exit 1
  68         fi
  69
  70         echo "backing up ${POLICY_HOME} to ${BACKUP_DIR} to.."
  71         rsync -a --delete \
  72                         --exclude logs \
  73                         --exclude tmp \
  74                         --exclude backup \
  75                         --exclude servers/pap/webapps/pap \
  76                         --exclude servers/pdp/webapps/pdp \
  77                         --exclude servers/console/webapps/policy \
  78                         ${POLICY_HOME}/* \
  79                         ${BACKUP_DIR}
  80 }
  81
  82 function restore() {
  83         if [[ $DEBUG == y ]]; then
  84                 echo "-- ${FUNCNAME[0]} $@ --"
  85                 set -x
  86         fi
  87
  88         if [[ -z ${POLICY_HOME} ]]; then
  89                 echo "error: ${POLICY_HOME} is not set"
  90                 exit 1
  91         fi
  92
  93         BACKUP_DIR=$1
  94         if [[ -z ${BACKUP_DIR} ]]; then
  95                 echo "error: a backup directory must be provided"
  96                 usage
  97                 exit 1
  98         fi
  99
 100         if [[ ! -d ${BACKUP_DIR} ]]; then
 101                 echo "error: ${BACKUP_DIR} is not a directory"
 102                 exit 1
 103         fi
 104
 105         if [ "$(ls -A ${BACKUP_DIR})" ]; then
 106                 echo "OK: ${BACKUP_DIR} has content"
 107         else
 108                 echo "error: ${BACKUP_DIR} is empty"
 109                 exit 1
 110         fi
 111
 112         echo "restoring from ${BACKUP_DIR} to ${POLICY_HOME} .."
 113         rsync -a ${BACKUP_DIR}/* ${POLICY_HOME}
 114 }
 115
 116 OPERATION=none
 117 DEBUG=n
 118
 119 # command line options parsing
 120 until [[ -z "$1" ]]; do
 121         case $1 in
 122                 -d|--debug)     DEBUG=y
 123                                                 set -x
 124                                                 ;;
 125                 -b|--backup)    OPERATION=backup
 126                                                 shift
 127                                                 DIR=$1
 128                                                 ;;
 129                 -r|--restore)   OPERATION=restore
 130                                                 shift
 131                                                 DIR=$1
 132                                                 ;;
 133                 *)                              usage
 134                                                 exit 1
 135                                                 ;;
 136         esac
 137         shift
 138 done
 139
 140 # operation validation
 141 case $OPERATION in
 142         backup)         backup $DIR
 143                                 ;;
 144         restore)        restore $DIR
 145                                 ;;
 146         *)              echo "invalid operation (${OPERATION}): must be in {backup|restore}";
 147                         usage
 148                         exit 1
 149                         ;;
 150 esac