#!/bin/bash
# postinst script for coremanager
#
# see: dh_installdeb(1)

#set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

COREDIR=/usr/local/mgr5
. ${COREDIR}/lib/pkgsh/ispmgr_pkg_funcs.sh

case "$1" in
    configure)

	if [ "${MYSQL_SERVICE}" = "mariadb" ]; then
		MYCNF=/etc/mysql/mariadb.conf.d/50-server.cnf
	else
		MYCNF=/etc/mysql/mysql.conf.d/mysqld.cnf
	fi

	# Limit NOFILE
	if [ -f /etc/systemd/system/mysql.service.d ]; then
		SERVICE_CONF_DIR=/etc/systemd/system/mysql.service.d
	else
		SERVICE_CONF_DIR=/etc/systemd/system/mariadb.service.d
	fi
	if [ -d /etc/systemd/system/ ] && [ -n "$(which systemctl 2>/dev/null)" ]; then
		if [ ! -f ${SERVICE_CONF_DIR}/nofile.conf ] && [ ! -f ${SERVICE_CONF_DIR}/limits.conf ]; then
			mkdir -p ${SERVICE_CONF_DIR}
			echo -e "[Service]\nLimitNOFILE=16384" > ${SERVICE_CONF_DIR}/nofile.conf
			systemctl daemon-reload
			mysql_restart=yes
		fi
	fi



	if [ -z ${2} ]; then
		if [ "#${ISPCONVERT}" = "#yes" ]; then
			:
		else
			if [ "#${MIGRATION}" != "#mgr5" ]; then
				SCOUNT=0
				while  ! test -f ${COREDIR}/etc/${ISPMGR}.db ; do
					SCOUNT=$(expr ${SCOUNT} + 1)
					${MGRCTL} -m ${ISPMGR} whoami >/dev/null 2>/dev/null ||:
					sleep 1
					if [ ${SCOUNT} -gt 5 ]; then 
						break
					fi
				done

				if ! cat ${MYCNF} | sed -n -r '/\[mysqld\]/,/\[/p' | grep -q character-set-server ; then
					sed -i -r '/^\[mysqld\]/a character-set-server = utf8' ${MYCNF}
					mysql_restart=yes
				fi
				if ! cat ${MYCNF} | sed -n -r '/\[mysqld\]/,/\[/p' | grep -q collation-server ; then
					sed -i -r '/^\[mysqld\]/a collation-server = utf8_general_ci' ${MYCNF}
					mysql_restart=yes
				fi

				if [ -n "${mysql_restart}" ] && [ -n "${MYSQL_SERVICE}" ]; then
					Service ${MYSQL_SERVICE} restart
				fi

				if $ISPMGRCTL db.server | grep -q name=MySQL ; then
					# DB exists
					PASSWD=$(${COREDIR}/etc/scripts/mysql_passwd)
					export MGRCTL_MYSQL_PASSWORD=${PASSWD}
					${ISPMGRCTL} db.server.edit elid=MySQL -e 'password=$MGRCTL_MYSQL_PASSWORD' sok=ok
				else
					PASSWD=$(${COREDIR}/etc/scripts/mysql_passwd)
					export MGRCTL_MYSQL_PASSWORD=${PASSWD}
					if [ "${ISPMGR}" = "ispmgrnode" ]; then
						MYSQLVER=$(/usr/sbin/mysqld -V 2>/dev/null|awk '{print $3}')
						${ISPMGRCTL} db.server.edit name=MySQL username=root host=localhost type=mysql -e 'password=$MGRCTL_MYSQL_PASSWORD' savedver=${MYSQLVER} sok=ok >/dev/null
					else
						MAX_ATTEMPTS=5
						attempt=1
						while [ $attempt -le $MAX_ATTEMPTS ]; do
							${ISPMGRCTL} db.server.edit name=MySQL username=root host=localhost type=mysql -e 'password=$MGRCTL_MYSQL_PASSWORD' sok=ok >/dev/null
							if ${ISPMGRCTL} db.server | grep -q name=MySQL ; then
								break
							else
								if [ $attempt -lt $MAX_ATTEMPTS ]; then
									echo "The server wasn't added. Try again."
									sleep 1
								fi
							fi
							attempt=$((attempt + 1))
						done
					fi
				fi
			fi
		fi

	fi

	# Checking if this mariadb > 5.5.31
	if [ ! -f ${COREDIR}/etc/.mariadb_length_check ]; then
		m_version=$(echo "SELECT VERSION()" | mysql -s 2>/dev/null)
		if [ -n "${m_version}" ]; then
			if echo ${m_version} | grep -qi mariadb && version_ge "${m_version}" "5.5.31" ; then
				# This is mariadb and version greater than 5.5.31. We can increase username length
				mysql -s < ${COREDIR}/etc/scripts/mariadb_username_length_alter.sql 2>/dev/null || alter_fail=yes
			fi
			test -z "${alter_fail}" && touch ${COREDIR}/etc/.mariadb_length_check
		else
			echo "Can not detect mysql version"
		fi
	fi

	if grep -q "user\s*\=\s*root" /etc/mysql/debian.cnf ; then
		ROOTPW=$(cat /root/.my.cnf | awk -F= '$1 ~ "^password" {print $2}' | sed 's/ //g')
		sed -i -r "s/^(password\s*=\s*)$/\1${ROOTPW}/" /etc/mysql/debian.cnf
	fi

	AddPath mysql_restart "systemctl restart ${MYSQL_SERVICE}" mysql
	AddPath mysqld.ini ${MYCNF} mysql
	AddPath mysqld /usr/sbin/mysqld mysql

	## Reloading Manager
	ReloadMgr ${ISPMGR}

	if [ -z ${2} ]; then
		if [ "#${ISPCONVERT}" = "#yes" ]; then
			:
		else
			ServiceAddmon mysql
			# Afterinstall
			AfterinstallModule ${ISPMGR} mysql
		fi
	fi
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.



exit 0