From 7cdb0e6ac7ed21daf262b77cf6db3474210668db Mon Sep 17 00:00:00 2001
From: deajan <ozy@netpower.fr>
Date: Sat, 6 Aug 2016 15:15:46 +0200
Subject: [PATCH] Added installer template

---
 dev/common_install.sh | 311 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 311 insertions(+)
 create mode 100755 dev/common_install.sh

diff --git a/dev/common_install.sh b/dev/common_install.sh
new file mode 100755
index 0000000..535f5c6
--- /dev/null
+++ b/dev/common_install.sh
@@ -0,0 +1,311 @@
+#!/usr/bin/env bash
+
+PROGRAM=[prgname]
+PROGRAM_VERSION=[version]
+PROGRAM_BINARY=$PROGRAM".sh"
+PROGRAM_BATCH=$PROGRAM"-batch.sh"
+SCRIPT_BUILD=2016052601
+
+## osync / obackup / pmocr / zsnap install script
+## Tested on RHEL / CentOS 6 & 7, Fedora 23, Debian 7 & 8, Mint 17 and FreeBSD 8 & 10
+## Please adapt this to fit your distro needs
+
+#TODO: silent mode and no stats mode
+
+CONF_DIR=/etc/$PROGRAM
+BIN_DIR=/usr/local/bin
+SERVICE_DIR_INIT=/etc/init.d
+# Should be /usr/lib/systemd/system, but /lib/systemd/system exists on debian & rhel / fedora
+SERVICE_DIR_SYSTEMD_SYSTEM=/lib/systemd/system
+SERVICE_DIR_SYSTEMD_USER=/etc/systemd/user
+
+## osync specific code
+OSYNC_SERVICE_FILE_INIT="osync-srv"
+OSYNC_SERVICE_FILE_SYSTEMD_SYSTEM="osync-srv@.service"
+OSYNC_SERVICE_FILE_SYSTEMD_USER="osync-srv@.service.user"
+
+## pmocr specfic code
+PMOCR_SERVICE_FILE_INIT="pmocr-srv"
+PMOCR_SERVICE_FILE_SYSTEMD_SYSTEM="pmocr-srv.service"
+
+## Generic code
+
+## Default log file
+if [ -w /var/log ]; then
+        LOG_FILE="/var/log/$PROGRAM-install.log"
+elif ([ "$HOME" != "" ] && [ -w "$HOME" ]); then
+        LOG_FILE="$HOME/$PROGRAM-install.log"
+else
+    	LOG_FILE="./$PROGRAM-install.log"
+fi
+
+# Generic quick logging function
+function _QuickLogger {
+        local value="${1}"
+       	local destination="${2}" # Destination: stdout, log, both
+
+        if ([ "$destination" == "log" ] || [ "$destination" == "both" ]); then
+                echo -e "$(date) - $value" >> "$LOG_FILE"
+        elif ([ "$destination" == "stdout" ] || [ "$destination" == "both" ]); then
+                echo -e "$value"
+       	fi
+}
+
+function QuickLogger {
+	local value="${1}"
+
+	if [ "$_SILENT" -eq 1 ]; then
+		_QuickLogger "$value" "log"
+	else
+		_QuickLogger "$value" "stdout"
+	fi
+}
+
+function urlencode() {
+    # urlencode <string>
+
+    local LANG=C
+    local length="${#1}"
+    for (( i = 0; i < length; i++ )); do
+        local c="${1:i:1}"
+        case $c in
+            [a-zA-Z0-9.~_-]) printf "$c" ;;
+            *) printf '%%%02X' "'$c" ;; 
+        esac
+    done
+}
+
+function SetOSSettings {
+	USER=root
+
+	local local_os_var
+
+	local_os_var="$(uname -spio 2>&1)"
+	if [ $? != 0 ]; then
+		local_os_var="$(uname -v 2>&1)"
+		if [ $? != 0 ]; then
+			local_os_var="$(uname)"
+		fi
+	fi
+
+	case $local_os_var in
+		*"BSD"*)
+		GROUP=wheel
+		;;
+		*"Darwin"*)
+		GROUP=admin
+		;;
+		*)
+		GROUP=root
+		;;
+		*"MINGW32"*|*"CYGWIN"*)
+		USER=""
+		GROUP=""
+		;;
+	esac
+
+	if ([ "$USER" != "" ] && [ "$(whoami)" != "$USER" ]); then
+	  	QuickLogger "Must be run as $USER."
+		exit 1
+	fi
+
+	OS=$(urlencode "$local_os_var")
+}
+
+function GetInit {
+	if [ -f /sbin/init ]; then
+		if file /sbin/init | grep systemd > /dev/null; then
+			init="systemd"
+		else
+			init="initV"
+		fi
+	else
+		QuickLogger "Can't detect initV or systemd. Service files won't be installed. You can still run $PROGRAM manually or via cron."
+		init="none"
+	fi
+}
+
+function CreateConfDir {
+	if [ ! -d "$CONF_DIR" ]; then
+		mkdir "$CONF_DIR"
+		if [ $? == 0 ]; then
+			QuickLogger "Created directory [$CONF_DIR]."
+		else
+			QuickLogger "Cannot create directory [$CONF_DIR]."
+			exit 1
+		fi
+	else
+		QuickLogger "Config directory [$CONF_DIR] exists."
+	fi
+}
+
+function CopyExampleFiles {
+	if [ -f "./sync.conf.example" ]; then
+		cp "./sync.conf.example" "/etc/$PROGRAM/sync.conf.example"
+	fi
+
+	if [ -f "./host_backup.conf.example" ]; then
+		cp "./host_backup.conf.example" "/etc/$PROGRAM/host_backup.conf.example"
+	fi
+
+	if [ -f "./exlude.list.example" ]; then
+		cp "./exclude.list.example" "/etc/$PROGRAM"
+	fi
+
+	if [ -f "./snapshot.conf.example" ]; then
+		cp "./snapshot.conf.example" "/etc/$PROGRAM/snapshot.conf.example"
+	fi
+}
+
+function CopyProgram {
+	cp "./$PROGRAM_BINARY" "$BIN_DIR"
+	if [ $? != 0 ]; then
+		QuickLogger "Cannot copy $PROGRAM_BINARY to [$BIN_DIR]. Make sure to run install script in the directory containing all other files."
+		QuickLogger "Also make sure you have permissions to write to [$BIN_DIR]."
+		exit 1
+	else
+		chmod 755 "$BIN_DIR/$PROGRAM_BINARY"
+		QuickLogger "Copied $PROGRAM_BINARY to [$BIN_DIR]."
+	fi
+
+	if [ -f "./$PROGRAM_BATCH" ]; then
+		cp "./$PROGRAM_BATCH" "$BIN_DIR"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy $PROGRAM_BATCH to [$BIN_DIR]."
+		else
+			chmod 755 "$BIN_DIR/$PROGRAM_BATCH"
+			QuickLogger "Copied $PROGRAM_BATCH to [$BIN_DIR]."
+		fi
+	fi
+
+	if [  -f "./ssh_filter.sh" ]; then
+		cp "./ssh_filter.sh" "$BIN_DIR"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy ssh_filter.sh to [$BIN_DIR]."
+		else
+			chmod 755 "$BIN_DIR/ssh_filter.sh"
+			if ([ "$USER" != "" ] && [ "$GROUP" != "" ]); then
+				chown $USER:$GROUP "$BIN_DIR/ssh_filter.sh"
+			fi
+			QuickLogger "Copied ssh_filter.sh to [$BIN_DIR]."
+		fi
+	fi
+}
+
+function CopyServiceFiles {
+	# OSYNC SPECIFIC
+	if ([ "$init" == "systemd" ] && [ -f "./$OSYNC_SERVICE_FILE_SYSTEMD_SYSTEM" ]); then
+		cp "./$OSYNC_SERVICE_FILE_SYSTEMD_SYSTEM" "$SERVICE_DIR_SYSTEMD_SYSTEM" && cp "./$OSYNC_SERVICE_FILE_SYSTEMD_USER" "$SERVICE_DIR_SYSTEMD_USER/$SERVICE_FILE_SYSTEMD_SYSTEM"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy the systemd file to [$SERVICE_DIR_SYSTEMD_SYSTEM] or [$SERVICE_DIR_SYSTEMD_USER]."
+		else
+			QuickLogger "Created osync-srv service in [$SERVICE_DIR_SYSTEMD_SYSTEM] and [$SERVICE_DIR_SYSTEMD_USER]."
+			QuickLogger "Can be activated with [systemctl start osync-srv@instance.conf] where instance.conf is the name of the config file in /etc/osync."
+			QuickLogger "Can be enabled on boot with [systemctl enable osync-srv@instance.conf]."
+			QuickLogger "In userland, active with [systemctl --user start osync-srv@instance.conf]."
+		fi
+	elif ([ "$init" == "initV" ] && [ -f "./$OSYNC_SERVICE_FILE_INIT" ]); then
+		cp "./$OSYNC_SERVICE_FILE_INIT" "$SERVICE_DIR_INIT"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy osync-srv to [$SERVICE_DIR_INIT]."
+		else
+			chmod 755 "$SERVICE_DIR_INIT/$OSYNC_SERVICE_FILE_INIT"
+			QuickLogger "Created osync-srv service in [$SERVICE_DIR_INIT]."
+			QuickLogger "Can be activated with [service $OSYNC_SERVICE_FILE_INIT start]."
+			QuickLogger "Can be enabled on boot with [chkconfig $OSYNC_SERVICE_FILE_INIT on]."
+		fi
+	fi
+
+	# PMOCR SPECIFIC
+	if ([ "$init" == "systemd" ] && [ -f "./$PMOCR_SERVICE_FILE_SYSTEMD_SYSTEM" ]); then
+		cp "./$PMOCR_SERVICE_FILE_SYSTEMD_SYSTEM" "$SERVICE_DIR_SYSTEMD_SYSTEM"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy the systemd file to [$SERVICE_DIR_SYSTEMD_SYSTEM] or [$SERVICE_DIR_SYSTEMD_USER]."
+		else
+			QuickLogger "Created pmocr-srv service in [$SERVICE_DIR_SYSTEMD_SYSTEM] and [$SERVICE_DIR_SYSTEMD_USER]."
+			QuickLogger "Can be activated with [systemctl start pmocr-srv] after configuring file options in [$BIN_DIR/$PROGRAM]."
+			QuickLogger "Can be enabled on boot with [systemctl enable pmocr-srv]."
+		fi
+	elif ([ "$init" == "initV" ] && [ -f "./$PMOCR_SERVICE_FILE_INIT" ]); then
+		cp "./$PMOCR_SERVICE_FILE_INIT" "$SERVICE_DIR_INIT"
+		if [ $? != 0 ]; then
+			QuickLogger "Cannot copy pmoct-srv to [$SERVICE_DIR_INIT]."
+		else
+			chmod 755 "$SERVICE_DIR_INIT/$PMOCR_SERVICE_FILE_INIT"
+			QuickLogger "Created osync-srv service in [$SERVICE_DIR_INIT]."
+			QuickLogger "Can be activated with [service $PMOCR_SERVICE_FILE_INIT start]."
+			QuickLogger "Can be enabled on boot with [chkconfig $PMOCR_SERVICE_FILE_INIT on]."
+		fi
+	fi
+}
+
+function Statistics {
+        if type wget > /dev/null; then
+                wget -qO- "$STATS_LINK" > /dev/null 2>&1
+                if [ $? == 0 ]; then
+                        return 0
+                fi
+	fi
+
+        if type curl > /dev/null; then
+                curl "$STATS_LINK" -o /dev/null > /dev/null 2>&1
+                if [ $? == 0 ]; then
+                        return 0
+                fi
+	fi
+
+       	QuickLogger "Neiter wget nor curl could be used for. Cannot run statistics. Use the provided link please."
+        return 1
+}
+
+function Usage {
+	echo "Installs $PROGRAM into $BIN_DIR"
+	echo "options:"
+	echo "--silent		Will log and bypass user interaction."
+	echo "--no-stats	Used with --silent in order to refuse sending anonymous install stats."
+	exit 127
+}
+
+_SILENT=0
+_STATS=1
+for i in "$@"
+do
+	case $i in
+		--silent)
+		_SILENT=1
+		;;
+		--no-stats)
+		_STATS=0
+		;;
+		--help|-h|-?)
+		Usage
+	esac
+done
+
+SetOSSettings
+CreateConfDir
+CopyExampleFiles
+CopyProgram
+GetInit
+CopyServiceFiles
+
+STATS_LINK="http://instcount.netpower.fr?program=$PROGRAM&version=$PROGRAM_VERSION&os=$OS"
+
+QuickLogger "$PROGRAM installed. Use with $BIN_DIR/$PROGRAM"
+if [ $_STATS -eq 1 ]; then
+	if [ $_SILENT -eq 1 ]; then
+		Statistics
+	else
+		QuickLogger "In order to make install statistics, the script would like to connect to $STATS_LINK"
+		read -r -p "No data except those in the url will be send. Allow [Y/n]" response
+		case $response in
+			[nN])
+			exit
+			;;
+			*)
+			Statistics
+			exit $?
+			;;
+		esac
+	fi
+fi