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Base system with REST service to issue digital coins, run by the payment service provider
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taler-auditor-dbconfig (3470B)


      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-auditor-httpd"
     25 CFGFILE="/etc/taler-auditor/taler-auditor.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-auditor 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 = "$SKIP_DBINIT" ]; then
     69   if ! taler-auditor-dbinit -v 2>/dev/null; then
     70     echo "Required 'taler-auditor-dbinit' not found. Please fix your installation."
     71   fi
     72   DBINIT=$(which taler-auditor-dbinit)
     73 fi
     74 
     75 if ! id "$DBUSER" >/dev/null; then
     76   echo "Could not find '$DBUSER' user. Please set it up first"
     77   exit 1
     78 fi
     79 
     80 echo "Setting up database user '$DBUSER'." 1>&2
     81 
     82 if ! sudo -i -u postgres createuser "$DBUSER" 2>/dev/null; then
     83   echo "Database user '$DBUSER' already existed. Continuing anyway." 1>&2
     84 fi
     85 
     86 DBPATH=$(taler-auditor-config \
     87   -c "$CFGFILE" \
     88   -s auditordb-postgres \
     89   -o CONFIG)
     90 
     91 if ! echo "$DBPATH" | grep "postgres://" >/dev/null; then
     92   echo "Invalid database configuration value '$DBPATH'." 1>&2
     93   exit 1
     94 fi
     95 
     96 DBNAME=$(echo "$DBPATH" |
     97   sed \
     98     -e "s/postgres:\/\/.*\///" \
     99     -e "s/?.*//")
    100 
    101 if sudo -i -u postgres psql "$DBNAME" </dev/null 2>/dev/null; then
    102   if [ 1 = "$RESET_DB" ]; then
    103     echo "Deleting existing database '$DBNAME'." 1>&2
    104     if ! sudo -i -u postgres dropdb "$DBNAME"; then
    105       echo "Failed to delete existing database '$DBNAME'"
    106       exit 1
    107     fi
    108     DO_CREATE=1
    109   else
    110     echo "Database '$DBNAME' already exists, continuing anyway."
    111     DO_CREATE=0
    112   fi
    113 else
    114   DO_CREATE=1
    115 fi
    116 
    117 if [ 1 = "$DO_CREATE" ]; then
    118   echo "Creating database '$DBNAME'." 1>&2
    119 
    120   if ! sudo -i -u postgres createdb -O "$DBUSER" "$DBNAME"; then
    121     echo "Failed to create database '$DBNAME'"
    122     exit 1
    123   fi
    124 fi
    125 
    126 if [ 0 = "$SKIP_DBINIT" ]; then
    127   echo "Initializing database '$DBNAME'." 1>&2
    128   if ! sudo -u "$DBUSER" "$DBINIT" -c "$CFGFILE"; then
    129     echo "Failed to initialize database schema"
    130     exit 1
    131   fi
    132 fi
    133 
    134 echo "Database configuration finished." 1>&2
    135 
    136 exit 0