1 files changed, 187 insertions, 0 deletions
diff --git a/core/includes/packagemanager.inc b/core/includes/packagemanager.inc
new file mode 100644
index 00000000..9fcb4b87
--- /dev/null
+++ b/core/includes/packagemanager.inc
@@ -0,0 +1,187 @@
+#!/bin/bash
+#
+# get all files of required packages by a module
+#
+# Usage:
+#	list_content_packages
+#		- lists all files/directories in REQUIRED_CONTENT_PACKAGES
+#	list_content_packages --files
+#		- lists all files in REQUIRED_CONTENT_PACKAGES
+#	list_content_packages --dirs
+#		- lists all dirs in REQUIRED_CONTENT_PACKAGES
+#
+#	NOTE:	additional packages needed to be listed can be given
+#		through the environment variable EXTRA_PACKAGES
+
+list_content_packages() {
+	[ -z "$REQUIRED_CONTENT_PACKAGES" ] && pinfo "No required packages for $TOOL"  && return 1
+	[ $# -gt 2 ] && perror "'list_content_packages' accepts only 1 or no args. $# given."
+	local PACKAGE=""
+	for PACKAGE in $REQUIRED_CONTENT_PACKAGES $EXTRA_PACKAGES; do
+		list_content_package $1 $PACKAGE
+	done
+
+}
+list_content_package(){
+	#[ -z "$EXTRA_PACKAGES" ] || pinfo "Listing additional packages: $EXTRA_PACKAGES"
+	[ $# -gt 2 ] && perror "'list_content_package' accepts max 2 args. $# given."
+	local OP="-e"
+	case "$1" in
+		"--files")
+			OP="-f"
+			;;
+		"--dirs")
+			OP="-d"
+			;;
+		"")
+			OP="-e"
+			;;
+		*)
+			perror "'list_content_packages' invalid argument: $1"
+			;;
+	esac
+	local PACKAGE="$2"
+	local OPTIONAL="$(echo "$PACKAGE" | cut -c 1)"
+	[ "x$OPTIONAL" = "x@" ] && PACKAGE="$(echo "$PACKAGE" | cut -c 2-)"
+	local FILES=""
+	if [ "$PACKET_HANDLER" = "dpkg" ]; then
+		PACKAGECOMMAND="dpkg -L"
+	elif [ "$PACKET_HANDLER" = "rpm" ]; then
+		PACKAGECOMMAND="rpm -ql"
+	fi
+
+	if [ -n "$REQUIRED_PACKET_FILES_BLACKLIST" ]; then
+		FILES="$($PACKAGECOMMAND "$PACKAGE" | grep "^/" | \
+			grep -v "$REQUIRED_PACKET_FILES_BLACKLIST" | \
+			grep -v -E 'share/(man|doc)|/var/run|/var/log|/etc/init\.d'; \
+			echo ":###:${PIPESTATUS[0]}")"
+	else
+		FILES="$($PACKAGECOMMAND "$PACKAGE" | grep "^/" | grep -v -E 'share/(man|doc)|/var/run|/var/log|/etc/init\.d'; echo ":###:${PIPESTATUS[0]}")"
+	fi
+# FILES="$(rpm -ql "$PACKAGE" | grep "^/" | grep -v -E 'share/(man|doc)|/var/run|/var/log'; echo ":###:${PIPESTATUS[0]}")"
+
+	# ugly hack to get our return value
+	local LPRET=$(echo "$FILES" | awk -F ':###:' '{printf $2}')
+	FILES=$(echo "$FILES" | awk -F ':###:' '{print $1}')
+	if [ "x$LPRET" != "x0" -a "x$OPTIONAL" != "x@" ]; then
+		pdebug "FILES: '$FILES'"
+		perror "dpkg/rpm exited with code '$LPRET' for required package ${PACKAGE}."
+	fi
+	[ "x$LPRET" != "x0" ] && pwarning "dpkg/rpm exited with code '$LPRET' for optional package ${PACKAGE}." && continue
+	[ -z "$FILES" ] && pwarning "list_packet_files empty for packet ${PACKAGE}." && continue
+	pdebug "Packet $PACKAGE has $(echo $FILES | wc -w) files..."
+	for FILE in $FILES; do
+		[ "$OP" "$FILE" ] && echo "$FILE"
+	done
+}
+#
+# Convenience function
+#
+list_packet_files() {
+	list_content_packages --files
+}
+
+#
+# Convenience function
+#
+# install all dependencies of a module
+# goes through all package as given in the variable REQUIRED_INSTALLED_PACKAGES
+install_dependencies() {
+	[ -z "$REQUIRED_INSTALLED_PACKAGES" ] && return
+	install_packages "$REQUIRED_INSTALLED_PACKAGES"
+}
+
+#
+# install given packet through system's packet manager
+# uses PACKET_HANDLER as determined in helper/system.inc
+#
+install_packages() {
+	[ $# -eq 0 ] && perror "Sanity check failed: no argument given to install_package"
+	local PACKAGE_LIST="$@"
+	local INSTALLED_PACKAGES=""
+	local LRET=""
+
+	for PKG in ${PACKAGE_LIST}; do
+		# check if installed:
+		# this is done mainly for performance reasons, even though
+		# reinstalling all packages is a valid possibility too...
+		if [ "x$PACKET_HANDLER" == "xdpkg" ]; then
+			dpkg -l ${PKG} > /dev/null 2>&1
+			LRET=$?
+		elif [ "x$PACKET_HANDLER" == "xrpm" ]; then
+			rpm -ql "${PKG}" > /dev/null 2>&1
+			LRET=$?
+		else
+			perror "No packet manager / handler determined, this should not happen!"
+		fi
+
+		if [ "x$LRET" == "x0" ]; then
+			# check if it is completly installed, not just leftover configuration files
+			if [ "x$PACKET_HANDLER" == "xdpkg" ]; then
+				local INSTALL_STATUS=$(dpkg -l "${PKG}" | grep "${PKG}" | cut -c1-2)
+				if [[ $INSTALL_STATUS != "ii" ]]; then
+					pinfo "$PKG is either missing or a meta-package! Installing it to be sure..."
+					install_package "${PKG}"
+				else
+					# package installed
+					pdebug "${PKG} installed!"
+				fi
+			elif [ "x$PACKET_HANDLER" == "xrpm" ]; then
+				# TODO: blindly install again for now
+				rpm -q "${PKG}" >/dev/null 2>&1 || install_package "${PKG}"
+			fi
+		else
+			# package not installed
+			pdebug "$PKG not installed!"
+			install_package $PKG
+		fi
+	done
+	[ ! -z "$INSTALLED_PACKAGES" ] && pinfo "New packages installed: ${INSTALLED_PACKAGES}"
+}
+
+#
+# install individual package depending on package manager
+#
+install_package() {
+	if [ "$#" -ne 1 ]; then
+		perror "Only call install_package with one argument!"
+	fi
+
+	if [ "x$PACKET_MANAGER" == "xapt" ]; then
+		apt-get install -y ${PKG}
+		local IRET=$?
+		if [ "x$IRET" == "x0" ]; then
+			# $PGK was installed successfully
+			INSTALLED_PACKAGES+="$PKG "
+		else
+			# PKG was not installed
+			# TODO error handling
+			perror "install_packages: apt-get failed with '$IRET' for package '$PKG'"
+		fi
+	elif [ "x$PACKET_MANAGER" == "xzypper" ]; then
+		zypper --no-refresh --non-interactive install --force-resolution ${PKG}
+		local IRET=$?
+		if [ "x$IRET" == "x0" ]; then
+		# $PGK was installed successfully
+			INSTALLED_PACKAGES+="$PKG "
+		else
+			# PKG was not installed
+			# TODO error handling
+			perror "install_packages: zypper failed with '$IRET' for package '$PKG'"
+		fi
+	elif [ "x$PACKET_MANAGER" == "xyum" ]; then
+		yum --assumeyes install ${PKG}
+		local IRET=$?
+		if [ "x$IRET" == "x0" ]; then
+			# $PGK was installed successfully
+			INSTALLED_PACKAGES+="$PKG "
+		else
+			# PKG was not installed
+			# TODO error handling
+			perror "install_packages: yum failed with '$IRET' for package '$PKG'"
+		fi
+	else
+		perror "No packet manager determined, this should not happen!"
+	fi
+}
+