taler-merchant-dbconfig (3801B)
1 #!/bin/bash 2 # This file is part of GNU TALER. 3 # Copyright (C) 2023 Taler Systems SA 4 # 5 # TALER is free software; you can redistribute it and/or modify it under the 6 # terms of the GNU Lesser General Public License as published by the Free Software 7 # Foundation; either version 2.1, or (at your option) any later version. 8 # 9 # TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 # A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 12 # 13 # You should have received a copy of the GNU Lesser General Public License along with 14 # TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 # 16 # @author Christian Grothoff 17 # 18 # 19 # Error checking on 20 set -eu 21 22 RESET_DB=0 23 SKIP_DBINIT=0 24 DBUSER="taler-merchant-httpd" 25 CFGFILE="/etc/taler-merchant/taler-merchant.conf" 26 27 # Parse command-line options 28 while getopts 'c:hrsu:' OPTION; do 29 case "$OPTION" in 30 c) 31 CFGFILE="$OPTARG" 32 ;; 33 h) 34 echo 'Supported options:' 35 echo " -c FILENAME -- use configuration FILENAME (default: $CFGFILE)" 36 echo " -h -- print this help text" 37 echo " -r -- reset database (dangerous)" 38 echo " -s -- skip database initialization" 39 echo " -u USER -- taler-merchant to be run by USER (default: $DBUSER)" 40 exit 0 41 ;; 42 r) 43 RESET_DB="1" 44 ;; 45 s) 46 SKIP_DBINIT="1" 47 ;; 48 u) 49 DBUSER="$OPTARG" 50 ;; 51 ?) 52 echo "Unrecognized command line option '$OPTION'" 1 &>2 53 exit 1 54 ;; 55 esac 56 done 57 58 if ! id postgres >/dev/null; then 59 echo "Could not find 'postgres' user. Please install Postgresql first" 60 exit 1 61 fi 62 63 if [ "$(id -u)" -ne 0 ]; then 64 echo "This script must be run as root" 65 exit 1 66 fi 67 68 if [ 0 = "$SKIP_DBINIT" ]; then 69 if ! taler-merchant-dbinit -v 2>/dev/null; then 70 echo "Required 'taler-merchant-dbinit' not found. Please fix your installation." 71 exit 1 72 fi 73 DBINIT=$(which taler-merchant-dbinit) 74 fi 75 76 if ! id "$DBUSER" >/dev/null; then 77 echo "Could not find '$DBUSER' user. Please set it up first" 78 exit 1 79 fi 80 81 echo "Setting up database user $DBUSER." 1>&2 82 83 if ! sudo -i -u postgres createuser "$DBUSER" 2>/dev/null; then 84 echo "Database user '$DBUSER' already existed. Continuing anyway." 1>&2 85 fi 86 87 # Allow user to change the session_replication_role setting, 88 # required during migrations. 89 90 sudo -i -u postgres psql -v dbuser="$DBUSER" <<'EOF' || ret=$? 91 GRANT SET ON PARAMETER session_replication_role TO :"dbuser"; 92 EOF 93 94 if ! [[ $ret -ne 0 ]]; then 95 echo "Failed to grant permissions to $DBUSER" >&2 96 exit 1 97 fi 98 99 DBPATH=$(taler-merchant-config \ 100 -c "$CFGFILE" \ 101 -s merchantdb-postgres \ 102 -o CONFIG) 103 104 if ! echo "$DBPATH" | grep "postgres://" >/dev/null; then 105 echo "Invalid database configuration value '$DBPATH'." 1>&2 106 exit 1 107 fi 108 109 DBNAME=$(echo "$DBPATH" | 110 sed \ 111 -e "s/postgres:\/\/.*\///" \ 112 -e "s/?.*//") 113 114 if sudo -i -u postgres psql "$DBNAME" </dev/null 2>/dev/null; then 115 if [ 1 = "$RESET_DB" ]; then 116 echo "Deleting existing database $DBNAME." 1>&2 117 if ! sudo -i -u postgres dropdb "$DBNAME"; then 118 echo "Failed to delete existing database '$DBNAME'" 119 exit 1 120 fi 121 DO_CREATE=1 122 else 123 echo "Database '$DBNAME' already exists, continuing anyway." 124 DO_CREATE=0 125 fi 126 else 127 DO_CREATE=1 128 fi 129 130 if [ 1 = "$DO_CREATE" ]; then 131 echo "Creating database $DBNAME." 1>&2 132 if ! sudo -i -u postgres createdb -O "$DBUSER" "$DBNAME"; then 133 echo "Failed to create database '$DBNAME'" 134 exit 1 135 fi 136 fi 137 138 if [ 0 = "$SKIP_DBINIT" ]; then 139 echo "Initializing database $DBNAME." 1>&2 140 if ! sudo -u "$DBUSER" "$DBINIT" -c "$CFGFILE"; then 141 echo "Failed to initialize database schema" 142 exit 1 143 fi 144 fi 145 146 echo "Database configuration finished." 1>&2 147 148 exit 0