zoneminder/distros/ubuntu2004/zoneminder.postinst

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#! /bin/sh
set +e
create_db () {
echo "Checking for db"
mysqladmin --defaults-file=/etc/mysql/debian.cnf -f reload
# test if database if already present...
if ! $(echo quit | mysql --defaults-file=/etc/mysql/debian.cnf zm > /dev/null 2> /dev/null) ; then
echo "Creating zm db"
cat /usr/share/zoneminder/db/zm_create.sql | mysql --defaults-file=/etc/mysql/debian.cnf
if [ $? -ne 0 ]; then
echo "Error creating db."
exit 1;
fi
else
echo "Db exists."
fi
USER_EXISTS="$(mysql --defaults-file=/etc/mysql/debian.cnf -sse "SELECT EXISTS(SELECT 1 FROM mysql.user WHERE user = '$ZM_DB_USER')")"
if [ $USER_EXISTS -ne 1 ]; then
echo "Creating zm user $ZM_DB_USER"
# This creates the user.
echo "CREATE USER '${ZM_DB_USER}'@${ZM_DB_HOST} IDENTIFIED BY '${ZM_DB_PASS}';" | mysql --defaults-file=/etc/mysql/debian.cnf mysql
fi
}
update_db () {
echo "Updating permissions"
echo "GRANT LOCK tables,alter,drop,select,insert,update,delete,create,index,alter routine,create routine,trigger,execute ON ${ZM_DB_NAME}.* TO '${ZM_DB_USER}'@${ZM_DB_HOST};" | mysql --defaults-file=/etc/mysql/debian.cnf mysql
zmupdate.pl --nointeractive
zmupdate.pl --nointeractive -f
# Add any new PTZ control configurations to the database (will not overwrite)
zmcamtool.pl --import >/dev/null 2>&1
echo "Done Updating"
}
if [ "$1" = "configure" ]; then
. /etc/zm/zm.conf
for CONFFILE in /etc/zm/conf.d/*.conf; do
. "$CONFFILE"
done
# The logs can contain passwords, etc... so by setting group root, only www-data can read them, not people in the www-data group
chown www-data:root /var/log/zm
chown www-data:www-data /var/lib/zm
if [ -z "$2" ]; then
chown www-data:www-data /var/cache/zoneminder /var/cache/zoneminder/*
fi
if [ ! -e "/etc/apache2/mods-enabled/cgi.load" ] && [ "$(command -v a2enmod)" != "" ]; then
echo "The cgi module is not enabled in apache2. I am enabling it using a2enmod cgi."
a2enmod cgi
fi
SYSTEMD=0
if [ -e "/run/systemd/system" ]; then
SYSTEMD=1
echo "detected systemd"
# Ensure zoneminder is stopped
deb-systemd-invoke stop zoneminder.service || exit $?
else
# Ensure zoneminder is stopped
invoke-rc.d zoneminder stop || true
fi
if [ "$ZM_DB_HOST" = "localhost" ]; then
if [ $SYSTEMD -eq 1 ] && ([ -e "/lib/systemd/system/mysql.service" ] || [ -e "/lib/systemd/system/mariadb.service" ]); then
#
# Get mysql started if it isn't running
#
if [ -e "/lib/systemd/system/mariadb.service" ]; then
DBSERVICE="mariadb.service"
else
DBSERVICE="mysql.service"
fi
echo "Detected db service is $DBSERVICE"
if systemctl is-failed --quiet $DBSERVICE; then
echo "$DBSERVICE is in a failed state; it will not be started."
echo "If you have already resolved the problem preventing $DBSERVICE from running,"
echo "run sudo systemctl restart $DBSERVICE then run sudo dpkg-reconfigure zoneminder."
exit 1
fi
if ! systemctl is-active --quiet mysql.service mariadb.service; then
# Due to /etc/init.d service autogeneration, mysql.service always returns the status of mariadb.service
# However, mariadb.service will not return the status of mysql.service.
deb-systemd-invoke start $DBSERVICE
fi
# Make sure systemctl status exit code is 0; i.e. the DB is running
if systemctl is-active --quiet "$DBSERVICE"; then
create_db
update_db
else
echo 'NOTE: MySQL/MariaDB not running; please start mysql and run dpkg-reconfigure zoneminder when it is running.'
fi
elif [ -e "/etc/init.d/mysql" ]; then
#
# Get mysql started if it isn't
#
if ! $(/etc/init.d/mysql status >/dev/null 2>&1); then
service mysql start
fi
if $(/etc/init.d/mysql status >/dev/null 2>&1); then
create_db
update_db
else
echo 'NOTE: MySQL/MariaDB not running; please start mysql and run dpkg-reconfigure zoneminder when it is running.'
fi
else
echo 'MySQL/MariaDB not found; assuming remote server.'
fi
fi
else
echo "Not doing database upgrade due to remote db server ($ZM_DB_HOST)."
fi
echo "Starting ZoneMinder."
if [ $SYSTEMD -eq 1 ]; then
deb-systemd-invoke restart zoneminder.service
else
service zoneminder start || true
fi
#DEBHELPER#