Upgrade to systemd service. Show free space, RAM.

* Upgrade to install a modern `systemd` service by default. Can still specify command line option `--sysvinit` to use old/obsolete SysV service.
* Show system statistics at start of script. Free disk space, and RAM memory.

Author: chris001

odoo_install.sh

@@ -13,7 +13,7 @@
 # Execute the script to install Odoo:
 # ./odoo-install
 ################################################################################
-versiondate="2018-02-23a"
+versiondate="2018-02-26a"
 
 ##fixed parameters
 OE_USER="odoo"
@@ -67,6 +67,7 @@ domain="" # domain for let's encrypt https cert and nginx website.
 _version="False"
 _livechatport=8072	#default live chat port. possibly already in use by other odoo instance.
 _upgrade_python_libraries="False"
+_sysvinit="False" # default to False (therefore install systemd service). will be True (init.d service) if requested on command line.
 
 #################################################################
 ##### Values calculated at runtime - no need to modify these ####
@@ -76,6 +77,9 @@ _domain_exists="False"
 _cores=$(grep processor /proc/cpuinfo | wc -l)
 ### let "_workers= $_cores * 2 + 1 "
 let "_workers= $_cores + 1 "
+_totalkb=$(awk '/^MemTotal:/{print $2}' /proc/meminfo);
+let "_totalmb= $_totalkb / 1024 "
+_diskfree=$(df -h $OE_HOME | tail -1 | tr -s ' ' | cut -d' ' -f4)
 
 #############
 ### FUNCTIONS
@@ -90,7 +94,7 @@ function process_command_line {
 		OPTIND=1
 		OPTIONS="EhuV"
 		# Add single-letter options here. Uppercase lowercase is different. ":" means a parameter is expected with the option.
-		LONGOPTIONS="enterprise,uninstall,self-update,update,upgrade,upgrade-python-libraries,help,delete-start-over,virtualenv,email:,domain:,nginx,version,livechatport:"
+		LONGOPTIONS="enterprise,uninstall,self-update,update,upgrade,upgrade-python-libraries,help,delete-start-over,virtualenv,email:,domain:,nginx,version,livechatport:,sysvinit"
 		# Add comma-separated "long options" here. For example "--help".  ":" means a parameter is expected with the option.
 		PARSED="$(getopt --options=$OPTIONS --longoptions=$LONGOPTIONS --name "$0" -- "$@")"
 		if [[ $? -ne 0 ]]; then
@@ -156,6 +160,10 @@ function process_command_line {
 		        		_virtualenv="True"
 		        		shift
 		        		;;
+		        --sysvinit)
+		        		_sysvinit="True"
+		        		shift
+		        		;;
 		        --)
 		            shift
 		            break
@@ -454,7 +462,7 @@ function install_dependencies {
 	        build-essential libxml2 libxslt1.1 libxml2-dev libxslt1-dev \
 	        python-dev python-setuptools python3-setuptools \
 	        libxslt-dev libldap2-dev libsasl2-dev libssl-dev \
-	        libgeoip-dev python-psycogreen \
+	        libgeoip-dev python-psycogreen libzip-dev \
 	        python-reportlab-accel python-zsi \
 	        python-openssl poppler-utils antiword >> $INSTALL_LOG
  	        # python-gevent python-dateutil python-feedparser python-ldap python-libxslt1 
@@ -719,12 +727,39 @@ EOF
 
 function security_init_file {
   sudo mv ~/$OE_CONFIG.tmp0 /etc/init.d/$OE_CONFIG  >> $INSTALL_LOG
-  sudo chmod 755 /etc/init.d/$OE_CONFIG  >> $INSTALL_LOG
+  sudo chmod 0755 /etc/init.d/$OE_CONFIG  >> $INSTALL_LOG
   sudo chown root: /etc/init.d/$OE_CONFIG  >> $INSTALL_LOG
 }
 
 function start_odoo_on_startup {
   sudo update-rc.d $OE_CONFIG defaults >> $INSTALL_LOG
+  sudo systemctl enable $OE_CONFIG >> $INSTALL_LOG
+}
+
+create_odoo_systemd_service () {
+  cat <<EOF > ~/${OE_CONFIG}.service
+[Unit]
+Description=$OE_CONFIG (Odoo $OE_VERSION $flavor)
+Requires=postgresql.service
+After=network.target postgresql.service
+
+[Service]
+Type=simple
+SyslogIdentifier=$OE_CONFIG
+PermissionsStartOnly=true
+User=$OE_USER
+Group=$OE_USER
+#ExecStart=/opt/odoo/odoo11-venv/bin/python3 /opt/odoo/odoo11/odoo-bin -c /etc/odoo11.conf
+ExecStart=$(which python3) $OE_HOME_EXT/odoo-bin -c /etc/odoo/$OE_CONFIG.conf
+StandardOutput=journal+console
+
+[Install]
+WantedBy=multi-user.target
+EOF
+  sudo chmod 0644 ~/${OE_CONFIG}.service >> $INSTALL_LOG
+  sudo chown root:root ~/${OE_CONFIG}.service >> $INSTALL_LOG
+  sudo mv ~/${OE_CONFIG}.service /etc/systemd/system/${OE_CONFIG}.service >> $INSTALL_LOG
+  sudo systemctl enable ${OE_CONFIG} >> $INSTALL_LOG
 }
 
 function start_odoo {
@@ -735,16 +770,21 @@ function show_odoo_status {
   sudo service ${OE_CONFIG} status
 }
 
-function uninstall_odoo () {
-	# 1. Stop odoo-server "$OE_CONFIG" if running.
-	sudo service ${OE_CONFIG} stop
+function remove_sysvinit_service () {
 	# 2. disable start odoo on startup.
 	sudo update-rc.d ${OE_CONFIG} disable
 	sudo update-rc.d ${OE_CONFIG} remove
 	# 3. remove init file.
 	sudo rm /etc/init.d/${OE_CONFIG}
 	# 3b. clean up service daemon system settings.
 	sudo systemctl daemon-reload
+}
+
+function uninstall_odoo () {
+	# 1. Stop odoo-server "$OE_CONFIG" if running.
+	sudo service ${OE_CONFIG} stop
+	# 2-3. Remove SysV Init service.
+	remove_sysvinit_service
 	# 4. remove /home/odoo/odoo-server dir (odoo community from github).
 	sudo rm -r ${OE_HOME_EXT}
 	# 4a. Remove downloaded wkhtmltox*
@@ -781,7 +821,11 @@ function show_help {
 cd ~
 #Clear previous odoo_install.log file to empty.
 clear_install_log
-echo "Odoo Installer version $versiondate, by Yenthe Van Ginneken and Chris Coleman (EspaceNetworks)."
+echo "Odoo Installer version $versiondate"
+echo "by Yenthe Van Ginneken and Chris Coleman (EspaceNetworks)."
+echo "System Memory detected: $_totalmb MB"
+echo "Free space on $OE_HOME : $_diskfree"
+
 command_line_args="$@"
 process_command_line $command_line_args
 if [[ $_version == "True" ]]; then
@@ -814,7 +858,7 @@ if [[ $_upgrade_python_libraries == "True" ]]; then
 	upgrade_pip
 	echo "d. Install upgraded python libraries"
 	install_python_libraries
-	echo "Done."
+	echo "e. Done, installed upgraded python libraries."
 	exit
 fi
 can_i_sudo
@@ -916,6 +960,7 @@ if [ $IS_ENTERPRISE == "True" ]; then
 fi
 
 echo -e "---- 14. Install npm nodejs less less-plugin-clean-css + shortcut ----"
+# These (npm nodejs less etc) are needed by enterprise AND community.
 install_enterprise_libraries
 
 echo "---- 15. Create custom module directory ----"
@@ -930,14 +975,23 @@ create_odoo_server_config_file
 echo "18. Create startup (shell command) file"
 create_startup_file
 
-echo "19. Create init (service) file"
-create_odoo_init_file
-
-echo "20. Security Init File"
-security_init_file
-
-echo "21. Start ODOO on Startup"
-start_odoo_on_startup
+if [[ $_sysvinit == "True" ]]; then
+	#OLD SYSV INIT SERVICE.
+	echo "19. Create init (service) file"
+	create_odoo_init_file
+	echo "20. Security Init File"
+	security_init_file
+	echo "21. Start ODOO on Startup"
+	start_odoo_on_startup
+else
+	#NEW SYSTEMD SERVICE
+	echo "18b. Remove old SysV Init service."
+	set +e
+	remove_sysvinit_service		#clean up old sysv init service if it's there and we're installing over it.
+	set -e
+	echo "19-21. Create systemd (service) file + Security systemd file + Start ODOO on startup"
+	create_odoo_systemd_service
+fi
 
 echo "22. Starting Odoo Service"
 start_odoo