testing/libcgroup: new aport

Library to control and monitor control groups
http://libcg.sourceforge.net/

5 files changed, 264 insertions, 0 deletions

diff --git a/testing/libcgroup/APKBUILD b/testing/libcgroup/APKBUILD
new file mode 100644
index 0000000000..4268781ebd
--- /dev/null
+++ b/testing/libcgroup/APKBUILD
@@ -0,0 +1,89 @@
+# Contributor: Natanael Copa <ncopa@alpinelinux.org>
+# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+pkgname=libcgroup
+pkgver=0.38
+pkgrel=0
+pkgdesc="Library to control and monitor control groups"
+url="http://libcg.sourceforge.net/"
+arch="all"
+license="LGPLv2+"
+depends=""
+depends_dev=""
+makedepends="$depends_dev bison flex linux-pam-dev"
+install=""
+subpackages="$pkgname-dev $pkgname-doc $pkgname-tools $pkgname-pam"
+source="http://downloads.sourceforge.net/libcg/libcgroup-$pkgver.tar.bz2
+	cgconfig.initd
+	cgconfig.confd
+	cgred.initd
+	cgred.confd
+	"
+
+_builddir="$srcdir"/libcgroup-$pkgver
+prepare() {
+	local i
+	cd "$_builddir"
+	for i in $source; do
+		case $i in
+		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
+		esac
+	done
+	sed -e 's:/etc/cgrules.conf:/etc/cgroup/cgrules.conf:' \
+		-i src/libcgroup-internal.h || return 1
+}
+
+build() {
+	cd "$_builddir"
+	./configure --prefix=/usr \
+		--enable-shared \
+		--enable-daemon \
+		--enable-tools \
+		|| return 1
+	make || return 1
+}
+
+package() {
+	local _sysconfdir="$pkgdir"/etc
+	cd "$_builddir"
+	make DESTDIR="$pkgdir" install || return 1
+	rm -f "$pkgdir"/usr/lib/*.la \
+		"$pkgdir"/usr/lib/security/pam_cgroup.la || return 1
+	
+	# config files
+	install -d "$_sysconfdir"
+	install -m 644 samples/cgconfig.conf "$_sysconfdir"/cgconfig.conf \
+		|| return 1
+	install -m 644 samples/cgrules.conf "$_sysconfdir"/cgrules.conf \
+		|| return 1
+	install -m 644 samples/cgsnapshot_blacklist.conf \
+		"$_sysconfdir"/cgsnapshot_blacklist.conf || return 1
+
+	# init scripts
+	for i in $source; do
+		case $i in
+		*.initd) install -Dm755 "$srcdir"/$i \
+			"$pkgdir"/etc/init.d/${i%.*} || return 1;;
+		*.confd) install -Dm644 "$srcdir"/$i \
+			"$pkgdir"/etc/conf.d/${i%.*} || return 1;;
+		esac
+	done
+}
+
+tools() {
+	pkgdesc="Command-line utility programs, services and daemons for libcgroup"
+	install -d "$subpkgdir"/usr
+	mv "$pkgdir"/usr/bin "$pkgdir"/usr/sbin "$subpkgdir"/usr/
+	mv "$pkgdir"/etc "$subpkgdir"/
+}
+
+pam() {
+	pkgdesc="A Pluggable Authentication Module for libcgroup"
+	install -d "$subpkgdir"/usr/lib
+	mv "$pkgdir"/usr/lib/security "$subpkgdir"/usr/lib/
+}
+
+md5sums="f0f7d4060bf36ccc19d75dbf4f1695db  libcgroup-0.38.tar.bz2
+3fa43b95417d491450c8fe239fca8557  cgconfig.initd
+7743c134ead2422fbd375447c4c9654c  cgconfig.confd
+8bb3ca45c5ba91d4078e738978afb54d  cgred.initd
+f36926f1a968d3ee5fd7f0d7a6a7167e  cgred.confd"
diff --git a/testing/libcgroup/cgconfig.confd b/testing/libcgroup/cgconfig.confd
new file mode 100644
index 0000000000..e41730ae0e
--- /dev/null
+++ b/testing/libcgroup/cgconfig.confd
@@ -0,0 +1,4 @@
+# /etc/conf.d/cgconfig: config file for /etc/init.d/cgconfig
+
+# Configuration file location
+#CONFIG_FILE=/etc/cgroup/cgconfig.conf
diff --git a/testing/libcgroup/cgconfig.initd b/testing/libcgroup/cgconfig.initd
new file mode 100644
index 0000000000..8abf245278
--- /dev/null
+++ b/testing/libcgroup/cgconfig.initd
@@ -0,0 +1,120 @@
+#!/sbin/runscript
+#
+# Control Groups Configuration Startup
+#
+# This script runs the cgconfigparser utility to parse and setup
+# the control group filesystem. It uses ${CONFIG_FILE}
+# and parses the configuration specified in there.
+#
+CGCONFIGPARSER="/usr/sbin/cgconfigparser"
+CGROUP_FS="cgroup"
+CONFIG_FILE=${CONFIG_FILE:-"/etc/cgconfig.conf"}
+MOUNTS_FILE="/proc/mounts"
+RULES_FILE="/etc/cgrules.conf"
+
+# Support multiple mount points
+MOUNT_POINTS=
+
+move_all_to_init_class() {
+	local i
+	for i in $MOUNT_POINTS; do
+		local mount_point=${i%:*}
+		cd ${mount_point}
+
+		if grep -qw "${mount_point}" ${MOUNTS_FILE}; then
+			local directory
+			for directory in $(find . -depth -type d); do
+				if [ "${directory}" != "." ]; then
+					# cat fails with "Argument list too long" error
+					sed -nu p < ${directory}/tasks > tasks
+					rmdir ${directory}
+				fi
+			done
+		else
+			ewarn "Resource control filesystem not mounted"
+		fi
+
+		cd - >/dev/null
+	done
+}
+
+parse_mounts() {
+	local device mount_point fs_type options other
+	while read device mount_point fs_type options other; do
+		if echo ${CGROUP_FS} | grep -q ${device}; then
+			MOUNT_POINTS="${MOUNT_POINTS} ${mount_point}:${options}"
+		fi
+	done < ${MOUNTS_FILE}
+}
+
+umount_fs() {
+	local i
+	for i in ${MOUNT_POINTS}; do
+		umount ${i%:*}
+		rmdir ${i%:*}
+	done
+}
+
+depend() {
+	need local
+}
+
+start() {
+	ebegin "Starting cgconfig service"
+
+	# Mount filesystem and create cgroups
+	if ! ${CGCONFIGPARSER} -l ${CONFIG_FILE} >/dev/null; then
+		eend 1 "Failed to parse ${CONFIG_FILE}"
+		return 1
+	fi
+
+	parse_mounts
+
+	# Find default cgroup name in rules file
+	local default_cgroup
+	if [ -f "${RULES_FILE}" ]; then
+		default_cgroup=$(awk '$1 == "*" {print $3; exit}' ${RULES_FILE})
+		if [ $default_cgroup == "*" ]; then
+			ewarn "${RULES_FILE} incorrect"
+			ewarn "Overriding it"
+			default_cgroup=
+		fi
+	fi
+	# Use predefined name if none was found
+	if [ -z "${default_cgroup}" ]; then
+		default_cgroup=sysdefault
+	fi
+
+	# Create a default cgroup for tasks to return back to
+	local i
+	for i in $MOUNT_POINTS; do
+		local mount_point=${i%:*}
+		local mount_options=${i#*:}
+		# Ignore if directory already exists
+		mkdir -p ${mount_point}/${default_cgroup}
+		find ${mount_point}/ -name tasks | xargs  chmod a+rw
+		chmod go-w ${mount_point}/tasks
+
+		# Special rule for cpusets
+		if echo ${mount_options} | grep -qw cpuset; then
+			cat ${mount_point}/cpuset.cpus > ${mount_point}/${default_cgroup}/cpuset.cpus
+			cat ${mount_point}/cpuset.mems > ${mount_point}/${default_cgroup}/cpuset.mems
+		fi
+
+		# Classify everything to default cgroup
+		local j
+		for j in $(ps --no-headers -eL o tid); do
+			echo $j > ${mount_point}/${default_cgroup}/tasks 2>/dev/null
+		done
+	done
+
+	eend 0
+}
+
+stop() {
+	ebegin "Stopping cgconfig service"
+	parse_mounts
+	move_all_to_init_class
+	umount_fs
+	eend 0
+}
diff --git a/testing/libcgroup/cgred.confd b/testing/libcgroup/cgred.confd
new file mode 100644
index 0000000000..663ffc0c7d
--- /dev/null
+++ b/testing/libcgroup/cgred.confd
@@ -0,0 +1,17 @@
+# /etc/conf.d/cgred.conf: config file for /etc/init.d/cgred
+
+# Uncomment the following line to log to specified file instead of syslog
+#LOG_FILE="/var/log/cgrulesengd.log"
+
+# Uncomment the second line to run CGroup Rules Engine in non-daemon mode
+#NODAEMON=""
+NODAEMON="--nodaemon"
+
+# Uncomment the second line to disable logging for CGroup Rules Engine
+# Uncomment the third line to enable more verbose logging.
+#LOG=""
+LOG="--nolog"
+#LOG="-v"
+
+# PID file
+PID_FILE=/var/run/cgred.pid
diff --git a/testing/libcgroup/cgred.initd b/testing/libcgroup/cgred.initd
new file mode 100644
index 0000000000..68c0af6752
--- /dev/null
+++ b/testing/libcgroup/cgred.initd
@@ -0,0 +1,34 @@
+#!/sbin/runscript
+#
+# CGroups Rules Engine Daemon
+#
+# This is a daemon for automatically classifying processes into cgroups based
+# on UID/GID.
+#
+extra_started_commands="reload"
+
+name="CGroup Rules Engine Daemon"
+command="/usr/sbin/cgrulesengd"
+pidfile=${PID_FILE:-"/var/run/cgred.pid"}
+command_args="${NODAEMON} ${LOG}"
+start_stop_daemon_args="--make-pidfile --background --stdout /dev/null"
+
+
+depend() {
+	need cgconfig
+	use logger
+}
+
+start_pre() {
+	if [ -n "${LOG_FILE}" ]; then
+		command_args="${command_args} --log-file=${LOG_FILE}"
+	fi
+}
+
+reload() {
+	ebegin "Reloading ${name}"
+	start-stop-daemon --signal USR2 --pidfile "${pidfile}" \
+		--exec "${command}"
+	eend $?
+}
+