ClickHouse/debian/clickhouse-server-base.postinst

#!/bin/sh
set -e

if [ "$1" = configure ]; then

	if [ -x "/etc/init.d/clickhouse-server" ]; then
		update-rc.d clickhouse-server defaults 19 19 >/dev/null || exit $?
	fi

	# Make sure the administrative user exists
	if ! getent passwd metrika > /dev/null; then
		adduser --system --disabled-login --no-create-home --home /nonexistent \
			--shell /bin/false --group --gecos "Clickhouse server" metrika > /dev/null
	fi

	# if the user was created manually, make sure the group is there as well
	if ! getent group metrika > /dev/null; then
		addgroup --system metrika > /dev/null
	fi

	# make sure user is in the correct group
	if ! id -Gn metrika | grep -qw metrika; then
		adduser metrika metrika > /dev/null
	fi

	# check validity of user and group
	if [ "`id -u metrika`" -eq 0 ]; then
		echo "The metrika system user must not have uid 0 (root).
Please fix this and reinstall this package." >&2
		exit 1
	fi

	if [ "`id -g metrika`" -eq 0 ]; then
		echo "The metrika system user must not have root as primary group.
Please fix this and reinstall this package." >&2
		exit 1
	fi

	if [ ! -d "/opt/clickhouse" ]; then
		# ensure home directory ownership
		mkdir -p /opt/clickhouse
		#su -s /bin/sh metrika -c "test -O /opt/clickhouse && test -G /opt/clickhouse" || \
		chown metrika:metrika /opt/clickhouse
		chmod 0700 /opt/clickhouse
	fi

	# Clean old dynamic compilation results
	if [ -d "/opt/clickhouse/build" ]; then
		rm -f /opt/clickhouse/build/*.cpp /opt/clickhouse/build/*.so ||:
	fi

fi


exit 0