CPACK: Improve debian packaging

CMakeLists.txt

@@ -1387,11 +1387,13 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
   set(FLB_INSTALL_BINDIR "bin")
   set(FLB_INSTALL_LIBDIR "lib")
   set(FLB_INSTALL_CONFDIR "conf")
+  set(FLB_INSTALL_INITDIR "init.d")
   set(FLB_INSTALL_INCLUDEDIR "include")
 else()
   set(FLB_INSTALL_BINDIR ${CMAKE_INSTALL_FULL_BINDIR})
   set(FLB_INSTALL_LIBDIR "${CMAKE_INSTALL_LIBDIR}/${FLB_OUT_NAME}")
   set(FLB_INSTALL_CONFDIR "${CMAKE_INSTALL_SYSCONFDIR}/${FLB_OUT_NAME}/")
+  set(FLB_INSTALL_INITDIR "/etc/init.d/")
   set(FLB_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_PREFIX}/include")
 endif()
 
@@ -1472,6 +1474,9 @@ if(DPKG_PROGRAM)
   set(CPACK_DEBIAN_RUNTIME_FILE_NAME "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}.deb")
   set(CPACK_DEBIAN_RUNTIME_PACKAGE_CONTROL_EXTRA
     ${PROJECT_SOURCE_DIR}/cpack/debian/conffiles
+    ${PROJECT_SOURCE_DIR}/cpack/debian/prerm
+    ${PROJECT_SOURCE_DIR}/cpack/debian/postinst
+    ${PROJECT_SOURCE_DIR}/cpack/debian/postrm
     )
 
   if(FLB_RUN_LDCONFIG)

conf/fluent-bit

@@ -0,0 +1,75 @@
+#!/bin/sh
+
+### BEGIN INIT INFO
+# Provides:	  fluent-bit
+# Required-Start:    $local_fs $remote_fs $network $syslog $named
+# Required-Stop:     $local_fs $remote_fs $network $syslog $named
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: starts the fluent-bit service
+# Description:       starts fluent-bit using start-stop-daemon
+### END INIT INFO
+
+PATH=/opt/fluent-bit/bin/:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+DAEMON=/opt/fluent-bit/bin/fluent-bit
+NAME=fluent-bit
+CONFFILE=${CONFFILE:-/etc/fluent-bit/fluent-bit.conf}
+
+start_fluent_bit() {
+	# Start the daemon/service
+	#
+	# Returns:
+	#   0 if daemon has been started
+	#   1 if daemon was already running
+	#   2 if daemon could not be started
+	start-stop-daemon --start --quiet --exec $DAEMON -d -c $CONFFILE -- 2>/dev/null || return 2
+}
+
+test_config() {
+	# Test the fluent-bit configuration
+	$DAEMON --dry-run -c $CONFFILE
+}
+
+stop_fluent_bit() {
+	# Stops the daemon/service
+	#
+	# Return
+	#   0 if daemon has been stopped or was already stopped (--oknodo)
+	#   2 if daemon could not be stopped
+	#   other if a failure occurred
+	start-stop-daemon --stop --quiet --exec "$DAEMON" --retry=TERM/5/KILL/5 --oknodo
+}
+
+case "$1" in
+	start)
+		start_fluent_bit
+		;;
+	stop)
+		stop_fluent_bit
+		;;
+	restart)
+
+		# Check configuration before stopping fluent-bit
+		if ! test_config; then
+			exit $?
+		fi
+
+		stop_fluent_bit
+		case "$?" in
+			0|1)
+				start_fluent_bit
+				;;
+			*)
+				# Failed to stop
+				;;
+		esac
+		;;
+	configtest|testconfig)
+		test_config
+		;;
+	*)
+		echo "Usage: $NAME {start|stop|restart|reload|force-reload|status|configtest}" >&2
+		exit 3
+		;;
+esac
+

cpack/debian/postinst

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -e
+
+case "${1}" in
+	configure)
+		chmod +x /etc/init.d/fluent-bit
+		;;
+
+	abort-upgrade|abort-remove|abort-deconfigure)
+
+		;;
+
+	*)
+		echo "postinst called with unknown argument \`${1}'" >&2
+		exit 1
+		;;
+esac
+
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+	if [ -x "/etc/init.d/fluent-bit" ]; then
+		update-rc.d fluent-bit defaults >/dev/null
+		if [ -n "$2" ]; then
+			_dh_action=restart
+		else
+			_dh_action=start
+		fi
+		invoke-rc.d fluent-bit $_dh_action || exit 1
+	fi
+fi
+
+
+exit 0

cpack/debian/postrm

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -e
+
+case "${1}" in
+	remove)
+
+		;;
+
+	purge|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+
+		;;
+
+	*)
+		echo "postrm called with unknown argument \`${1}'" >&2
+		exit 1
+		;;
+esac
+
+if [ "$1" = "purge" ] ; then
+	update-rc.d fluent-bit remove >/dev/null
+fi
+
+
+exit 0

cpack/debian/prerm

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+  remove|upgrade|deconfigure)
+    if [ -x "/etc/init.d/fluent-bit" ]; then
+      invoke-rc.d fluent-bit stop || true
+    fi
+    ;;
+esac

src/CMakeLists.txt

@@ -661,4 +661,9 @@ if(FLB_BINARY)
     COMPONENT binary
     DESTINATION ${FLB_INSTALL_CONFDIR})
 
+  install(FILES
+    "${PROJECT_SOURCE_DIR}/conf/fluent-bit"
+    COMPONENT binary
+    DESTINATION ${FLB_INSTALL_INITDIR})
+
 endif()