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Postgresql functions

This commit is contained in:
Bob Mottram 2017-11-05 14:39:32 +00:00
parent b0903495b5
commit 6fff2720bc
2 changed files with 162 additions and 6 deletions
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23
src/freedombone-utils-backup
View File

@ -235,9 +235,14 @@ function backup_database_local_usb {
if [ ! -d ${local_database_dir} ]; then
mkdir -p ${local_database_dir}
fi
keep_database_running
echo $"Obtaining ${1} database backup"
if [ ! $USE_POSTGRESQL ]; then
keep_database_running
mysqldump --lock-tables --password="$DATABASE_PASSWORD" ${1} > ${local_database_dir}/${1}.sql
else
USE_POSTGRESQL=
pg_dump ${1} > ${local_database_dir}/${1}.sql
fi
if [ -f ${local_database_dir}/${1}.sql ]; then
if [ ! -s ${local_database_dir}/${1}.sql ]; then
echo $"${1} database could not be saved"
@ -545,9 +550,16 @@ function backup_database_remote {
if [ ! -d ${local_database_dir} ]; then
mkdir -p ${local_database_dir}
fi
keep_database_running
echo "Obtaining ${1} database backup"
mysqldump --password="$DATABASE_PASSWORD" ${1} > ${local_database_dir}/${1}.sql
if [ ! $USE_POSTGRESQL ]; then
keep_database_running
mysqldump --lock-tables --password="$DATABASE_PASSWORD" ${1} > ${local_database_dir}/${1}.sql
else
USE_POSTGRESQL=
pg_dump ${1} > ${local_database_dir}/${1}.sql
fi
if [ -f ${local_database_dir}/${1}.sql ]; then
if [ ! -s ${local_database_dir}/${1}.sql ]; then
echo $"${1} database could not be saved"
@ -642,8 +654,13 @@ function restore_database_from_friend {
rm -rf ${local_database_dir}
exit 503
fi
if [ ! $USE_POSTGRESQL ]; then
keep_database_running
mysqlsuccess=$(mysql -u root --password="$DATABASE_PASSWORD" ${1} -o < ${local_database_dir}/${RESTORE_SUBDIR}/temp${1}data/${1}.sql)
else
USE_POSTGRESQL=
mysqlsuccess=$(sudo -u postgres psql $database_name < ${local_database_dir}/${RESTORE_SUBDIR}/temp${1}data/${1}.sql)
fi
if [ ! "$?" = "0" ]; then
echo "$mysqlsuccess"
exit 964

139
src/freedombone-utils-postgresql Executable file
View File

@ -0,0 +1,139 @@
#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# postgresql database functions
#
# License
# =======
#
# Copyright (C) 2017 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Set this when calling backup and restore commands
USE_POSTGRESQL=
function get_postgresql_password {
POSTGRESQL_PASSWORD=$(${PROJECT_NAME}-pass -u root -a postgresql)
if [[ "$POSTGRESQL_PASSWORD" == *'failed'* ]]; then
echo $'Could not obtain postgresql password'
exit 7835272
fi
}
function install_postgresql {
if [[ $(is_completed $FUNCNAME) == "1" ]]; then
return
fi
function_check get_postgresql_password
get_postgresql_password
if [ ! $POSTGRESQL_PASSWORD ]; then
if [ -f $IMAGE_PASSWORD_FILE ]; then
POSTGRESQL_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
else
POSTGRESQL_PASSWORD="$(openssl rand -base64 32 | cut -c1-${MINIMUM_PASSWORD_LENGTH})"
fi
fi
${PROJECT_NAME}-pass -u root -a postgresql -p "$POSTGRESQL_PASSWORD"
apt-get -yq install postgresql postgresql-contrib postgresql-client
apt-get -yq remove --purge apache2-bin*
if [ -d /etc/apache2 ]; then
rm -rf /etc/apache2
echo $'Removed Apache installation after postgresql install'
fi
if [ ! -d /etc/postgresql ]; then
echo $"ERROR: postgresql does not appear to have installed. $CHECK_MESSAGE"
exit 78352
fi
if [ ! -f /usr/bin/psql ]; then
echo $"ERROR: psql command does not appear to have installed. $CHECK_MESSAGE"
exit 835290
fi
mark_completed $FUNCNAME
}
function add_postgresql_user {
postgresql_username=$1
postgresql_password=$2
sudo -u postgres psql -c "create user $postgresql_username password 'postgresql_password'"
}
function remove_postgresql_user {
postgresql_username=$1
sudo -u postgres psql -c "drop user $postgresql_username"
}
function remove_database_postgresql {
database_name="$1"
sudo -u postgres psql -c "drop database $database_name"
}
function run_query_postgresql {
database_name=$1
database_query=$2
sudo -u postgres psql -d $database_name -c "$database_query"
}
function run_query_postgresql_with_output {
database_name=$1
database_query=$2
output=$(sudo -u postgres psql -d $database_name -c << EOF
use $database_name;
$database_query
EOF
)
echo "$output"
}
function initialise_database_postgresql {
database_name=$1
database_file=$2
sudo -u postgres psql $database_name < $database_file
if [ ! "$?" = "0" ]; then
exit 7238525
fi
}
function create_database_postgresql {
app_name="$1"
app_admin_password="$2"
app_admin_username=$3
if [ ! -d $INSTALL_DIR ]; then
mkdir $INSTALL_DIR
fi
if [ ! $app_admin_username ]; then
app_admin_username=${app_name}admin
fi
echo "create database ${app_name};
CREATE USER '$app_admin_username@localhost' IDENTIFIED BY '${app_admin_password}';
GRANT ALL PRIVILEGES ON ${app_name}.* TO '$app_admin_username@localhost';
flush privileges;
quit" > $INSTALL_DIR/batch.sql
chmod 600 $INSTALL_DIR/batch.sql
sudo -u postgres psql -d $database_name --file=$INSTALL_DIR/batch.sql
shred -zu $INSTALL_DIR/batch.sql
}