package/earlyoom: new package

EarlyOOM daemon for triggering Linux OOM killer before running out of
memory, avoiding situations where the machine becomes unresponsive from
out of control swapping.

Some desktop distributions are installing and enabling this daemon by
default to prevent unresponsive machines in OOM scenarios.

https://fedoraproject.org/wiki/Changes/EnableEarlyoom
Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
[yann.morin.1998@free.fr: two spaces in hash file]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

diff --git a/DEVELOPERS b/DEVELOPERS
index 9a9430708210e7eb92394fc2520a2597aa26bd0b..76a153d69527c1ac38260fddf5a55b476ace36bf 100644 (file)
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1356,6 +1356,7 @@ N:        Joseph Kogut <joseph.kogut@gmail.com>
 F:     package/at-spi2-atk/
 F:     package/at-spi2-core/
 F:     package/clang/
+F:     package/earlyoom/
 F:     package/gconf/
 F:     package/libnss/
 F:     package/lld/

diff --git a/package/Config.in b/package/Config.in
index b0a7da2f5c9b387b99291a5338d7d932213a533f..d32eadab883db5b2fb06f739acd4341d19b2457e 100644 (file)
--- a/package/Config.in
+++ b/package/Config.in
@@ -2337,6 +2337,7 @@ menu "System tools"
        source "package/docker-containerd/Config.in"
        source "package/docker-engine/Config.in"
        source "package/docker-proxy/Config.in"
+       source "package/earlyoom/Config.in"
        source "package/efibootmgr/Config.in"
        source "package/efivar/Config.in"
        source "package/emlog/Config.in"

diff --git a/package/earlyoom/Config.in b/package/earlyoom/Config.in
new file mode 100644 (file)
index 0000000..a3cac27
--- /dev/null
+++ b/package/earlyoom/Config.in
@@ -0,0 +1,12 @@
+config BR2_PACKAGE_EARLYOOM
+       bool "earlyoom"
+       depends on BR2_USE_MMU
+       help
+         Early OOM daemon for Linux.
+
+         User space daemon for triggering Linux OOM killer
+         before running out of memory, avoiding situations
+         where the machine becomes unresponsive from out of
+         control swapping.
+
+         https://github.com/rfjakob/earlyoom

diff --git a/package/earlyoom/S02earlyoom b/package/earlyoom/S02earlyoom
new file mode 100644 (file)
index 0000000..c02495a
--- /dev/null
+++ b/package/earlyoom/S02earlyoom
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+DAEMON="earlyoom"
+PIDFILE="/var/run/$DAEMON.pid"
+
+EARLYOOM_ARGS=""
+
+[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON"
+
+start() {
+       printf() 'Starting %s: ' "$DAEMON"
+       start-stop-daemon -b -m -S -q -p "$PIDFILE" -x "/bin/$DAEMON" \
+              -- $EARLYOOM_ARGS
+       status=$?
+       if [ "$status" -eq 0 ]; then
+               echo "OK"
+       else
+               echo "FAIL"
+       fi
+       return "$status"
+}
+
+stop() {
+       printf 'Stopping %s: ' "$DAEMON"
+       start-stop-daemon -K -q -p "$PIDFILE"
+       status=$?
+       if [ "$status" -eq 0 ]; then
+               rm -f "$PIDFILE"
+               echo "OK"
+       else
+               echo "FAIL"
+       fi
+       return "$status"
+}
+
+restart() {
+       stop
+       start
+}
+
+case "$1" in
+       start|stop|restart)
+               "$1";;
+       reload)
+               restart;;
+       *)
+               echo "Usage: $0 {start|stop|restart|reload}"
+               exit 1
+esac

diff --git a/package/earlyoom/earlyoom.hash b/package/earlyoom/earlyoom.hash
new file mode 100644 (file)
index 0000000..b0095cb
--- /dev/null
+++ b/package/earlyoom/earlyoom.hash
@@ -0,0 +1,4 @@
+# locally calculated
+sha256  b81804fc4470f996014d52252a87a1cf3b43d3d8754140035b10dcee349302b8  earlyoom-1.6.tar.gz
+# License files, locally calculated
+sha256  e730b3ec729de46d987ae73f30ed337e4cbe832f09205330acfa71848c6e0087  LICENSE

diff --git a/package/earlyoom/earlyoom.mk b/package/earlyoom/earlyoom.mk
new file mode 100644 (file)
index 0000000..066a479
--- /dev/null
+++ b/package/earlyoom/earlyoom.mk
@@ -0,0 +1,40 @@
+################################################################################
+#
+# earlyoom
+#
+################################################################################
+
+EARLYOOM_VERSION = 1.6
+EARLYOOM_SITE = $(call github,rfjakob,earlyoom,v$(EARLYOOM_VERSION))
+EARLYOOM_LICENSE = MIT
+EARLYOOM_LICENSE_FILES = LICENSE
+
+EARLYOOM_BUILD_TARGETS = earlyoom.service earlyoom
+EARLYOOM_INSTALL_TARGETS = install-default install-bin
+EARLYOOM_CFLAGS = '$(TARGET_CFLAGS) -std=gnu99 -DVERSION=\"1.6\"'
+
+EARLYOOM_MAKE_OPTS = \
+       $(TARGET_CONFIGURE_OPTS) \
+       PREFIX=/usr
+
+define EARLYOOM_BUILD_CMDS
+       $(TARGET_MAKE_ENV) $(MAKE) $(EARLYOOM_MAKE_OPTS) -C $(@D) \
+               $(EARLYOOM_BUILD_TARGETS) CFLAGS=$(EARLYOOM_CFLAGS)
+endef
+
+define EARLYOOM_INSTALL_TARGET_CMDS
+       $(TARGET_MAKE_ENV) $(MAKE) $(EARLYOOM_MAKE_OPTS) -C $(@D) \
+               $(EARLYOOM_INSTALL_TARGETS) DESTDIR=$(TARGET_DIR)
+endef
+
+define EARLYOOM_INSTALL_INIT_SYSV
+       $(INSTALL) -D -m 755 $(EARLYOOM_PKGDIR)/S02earlyoom \
+               $(TARGET_DIR)/etc/init.d/S02earlyoom
+endef
+
+define EARLYOOM_INSTALL_INIT_SYSTEMD
+       $(INSTALL) -D -m 644 $(@D)/earlyoom.service \
+               $(TARGET_DIR)/usr/lib/systemd/system/earlyoom.service
+endef
+
+$(eval $(generic-package))