Add installer script

extras/installer.sh

@@ -0,0 +1,196 @@
+#!/bin/bash
+
+ORIGIN_REPO="https://github.com/mrworf/plexupdate"
+OPT_PATH="/opt"
+FULL_PATH="$OPT_PATH/plexupdate"
+CONFIGFILE="/etc/plexupdate.conf"
+CONFIGCRON="/etc/plexpass.cron.conf"
+
+install() {
+	echo "'$req' is required but not installed, attempting to install..."
+	sleep 1
+
+	if $UBUNTU; then
+		DISTRO_INSTALL="apt install $1"
+	elif $REDHAT; then
+		if hash dnf 2>/dev/null; then
+			DISTRO_INSTALL="dnf install $1"
+		else
+			DISTRO_INSTALL="yum install $1"
+		fi
+	fi
+
+	if [ $EUID != 0 ]; then
+		echo "You don't have permissions to continue, trying sudo instead..."
+		sleep 1
+		sudo $DISTRO_INSTALL
+	else
+		$DISTRO_INSTALL
+	fi
+}
+
+yesno() {
+	read -n 1 -p "[Y/n] " answer
+
+	if [ "$answer" == "n" -o "$answer" == "N" ]; then
+		echo
+		return 1
+	elif [ ! -z "$answer" ]; then
+		echo
+	fi
+
+	return 0
+}
+
+noyes() {
+	read -n 1 -p "[N/y] " answer
+
+	if [ "$answer" == "y" -o "$answer" == "Y" ]; then
+		echo
+		return 1
+	elif [ ! -z "$answer" ]; then
+		echo
+	fi
+
+	return 0
+}
+
+abort() {
+	echo "$@"
+	exit 1
+}
+
+configure_plexupdate() {
+
+	CONFIGTEMP=$(mktemp /tmp/plexupdate.tempconf.XXX)
+
+	[ -f "$CONFIGFILE" ] && source "$CONFIGFILE"
+
+	echo -n "Do you want to install the latest PlexPass releases? "
+	if yesno; then
+		read -e -p "PlexPass Email Address: " -i "$EMAIL" EMAIL
+		read -e -p "PlexPass Password: " -i "$PASS" PASS
+	else
+		EMAIL=
+		PASS=
+		PUBLIC=yes
+	fi
+
+	echo -n "Would you like to automatically install the latest release when it is downloaded? "
+	if yesno; then
+		AUTOINSTALL=yes
+	else
+		AUTOINSTALL=no
+	fi
+
+	if [ "$AUTOINSTALL" == "yes" ]; then
+		echo -n "When using the auto-install option, would you like to check if the server is in use before upgrading? "
+		if yesno; then
+			if [ -z "$PLEXSERVER" ]; then
+				PLEXSERVER="127.0.0.1"
+			fi
+			read -e -p "Plex Server IP/DNS name: " -i "$PLEXSERVER" PLEXSERVER
+			if [ -z "$PLEXPORT" ]; then
+				PLEXPORT=32400
+			fi
+
+			read -e -p "Plex Server Port: " -i "$PLEXPORT" PLEXPORT
+		else
+			PLEXSERVER=
+			PLEXPORT=
+		fi
+	fi
+
+	save_config "EMAIL PASS PUBLIC AUTOINSTALL PLEXSERVER PLEXPORT" "$CONFIGFILE"
+}
+
+configure_cron() {
+	echo -n "Would you like to set up automatic daily updates for Plex? "
+	if yesno; then
+		CONF="$CONFIGFILE"
+		SCRIPT="${FULL_PATH}/plexupdate.sh"
+		LOGGING=false
+
+		echo -n "Do you want to log the daily update runs to syslog so you can examine the output later? "
+		if yesno; then
+			LOGGING=true
+		fi
+
+		save_config "CONF SCRIPT LOGGING" "/etc/plexupdate.cron.conf"
+
+		echo "Installing daily cron job..."
+		if [ $EUID -ne 0 ]; then
+			sudo ln -sf ${FULL_PATH}/extras/cronwrapper /etc/cron.daily/plexupdate
+		else
+			ln -sf ${FULL_PATH}/extras/cronwrapper /etc/cron.daily/plexupdate
+		fi
+	fi
+}
+
+
+save_config() {
+	CONFIGTEMP=$(mktemp /tmp/plexupdate.XXX)
+	for VAR in $1; do
+		if [ ! -z ${!VAR} ]; then
+			echo "${VAR}='${!VAR}'" >> $CONFIGTEMP
+		fi
+	done
+
+	echo "Writing configuration file '$2'..."
+	if [ $EUID -ne 0 ]; then
+		# make sure that new file is owned by root instead of owner of CONFIGTEMP
+		sudo tee "$2" > /dev/null < "$CONFIGTEMP"
+		rm "$CONFIGTEMP"
+	else
+		mv "$CONFIGTEMP" "$2"
+	fi
+}
+
+if [ -f /etc/redhat-release ]; then
+	REDHAT=true
+else
+	UBUNTU=true
+fi
+
+for req in wget git; do
+	if ! hash $req 2>/dev/null; then
+		install $req
+	fi
+done
+
+echo -e "\n"
+
+read -e -p "Directory to install into: " -i "/opt/plexupdate" FULL_PATH
+if [ ! -d "$FULL_PATH" ]; then
+	echo -n "'$FULL_PATH' doesn't exist, attempting to create... "
+	if ! mkdir -p "$FULL_PATH" 2>/dev/null; then
+		echo "failed"
+		echo "trying with sudo... "
+		sudo mkdir -p "$FULL_PATH" || abort "failed, cannot continue"
+		sudo chown $(whoami) "$FULL_PATH" || abort "failed, cannot continue"
+	fi
+	echo "done"
+elif [ ! -w "$FULL_PATH" ]; then
+	echo "'$FULL_PATH' exists, but you don't have permission to write to it. Changing owner with sudo..."
+	sudo chown $(whoami) "$FULL_PATH" || abort "failed, cannot continue"
+fi
+
+if [ -d "${FULL_PATH}/.git" ]; then
+	cd "$FULL_PATH"
+	if git remote -v | grep -q "mrworf/plexupdate"; then
+		echo "Found existing plexupdate repository in '$FULL_PATH', updating..."
+		git pull >/dev/null || abort "Unknown error while updating, please check '$FULL_PATH' and then try again."
+	else
+		abort "'$FULL_PATH' appears to contain a different git repository, cannot continue"
+	fi
+	cd - &> /dev/null
+else
+	git clone "$ORIGIN_REPO" "$FULL_PATH"
+	# FIXME These 3 lines are just to allow us to test easily while we're still using this branch. Remember to take this out before merging to master.
+	cd "$FULL_PATH"
+	git checkout reworklog
+	cd - &> /dev/null
+fi
+
+configure_plexupdate
+configure_cron