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packages/net/keepalived/Makefile
Jaymin Patel 33398a38aa keepalived: high-availability files and data sync 
add new package keepalived-sync to synchronize files and data
between master and backup node. The master node uses SSH over rsync
to send and the backup node will use inotifywatch to watch received files.

The master node can track rsync.sh script to send configuration file on
a backup node based on the vrrp_script configuration of the same script.

The backup node will have a keepalived-inotify service, which would watch
for newly received files and it would call hotplug event. Each service
can keep its respective script under the keepalived hotplug directory and
executes commands to stop, start service or update any config in real-time.

Whenever a switchover will happen, the backup node would have the latest
config and data files from the master node.

Hotplug events can be used to apply config when files are received.

Signed-off-by: Jaymin Patel <jem.patel@gmail.com>
2022-10-13 16:57:02 +05:30

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Makefile
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#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=keepalived
PKG_VERSION:=2.2.7
PKG_RELEASE:=$(AUTORELEASE)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://www.keepalived.org/software
PKG_HASH:=c61940d874154a560a54627ecf7ef47adebdf832164368d10bf242a4d9b7d49d
PKG_CPE_ID:=cpe:/a:keepalived:keepalived
PKG_LICENSE:=GPL-2.0-or-later
PKG_LICENSE_FILES:=COPYING
PKG_MAINTAINER:=Ben Kelly <ben@benjii.net> \
Florian Eckert <fe@dev.tdt.de>
PKG_CONFIG_DEPENDS:= \
CONFIG_KEEPALIVED_NFTABLES \
CONFIG_KEEPALIVED_VRRP \
CONFIG_KEEPALIVED_LVS \
CONFIG_KEEPALIVED_IPTABLES \
CONFIG_KEEPALIVED_BFD \
CONFIG_KEEPALIVED_SNMP_VRRP \
CONFIG_KEEPALIVED_SNMP_CHECKER \
CONFIG_KEEPALIVED_SNMP_RFC2 \
CONFIG_KEEPALIVED_SNMP_RFC3 \
CONFIG_KEEPALIVED_SNMP_REPLY_V3_FOR_V2 \
CONFIG_KEEPALIVED_DBUS \
CONFIG_KEEPALIVED_ROUTES \
CONFIG_IPV6
PKG_INSTALL:=1
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/kernel.mk
define Package/keepalived/config
source "$(SOURCE)/Config.in"
endef
# The +kmod-nf-ipvs line should be +KEEPALIVED_LVS:kmod-nf-ipvs,
# but make menuconfig then reports :error: recursive dependency detected!
# !!FIXME DEPENDS:= +KEEPALIVED_LVS:kmod-nf-ipvs
define Package/keepalived
SECTION:=net
CATEGORY:=Network
TITLE:=VRRP with failover and monitoring daemon for LVS clusters
URL:=http://www.keepalived.org/
DEPENDS:= \
+libnl-genl \
+libmagic \
+libkmod \
+kmod-nf-ipvs \
+libjson-c \
+KEEPALIVED_NFTABLES:libnftnl \
+KEEPALIVED_VRRP:kmod-macvlan \
+KEEPALIVED_VRRP:libnl-route \
+KEEPALIVED_VRRP:libnfnetlink \
+KEEPALIVED_SHA1:libopenssl \
+KEEPALIVED_IPTABLES:libip4tc \
+KEEPALIVED_IP6TABLES:libip6tc \
+KEEPALIVED_IPTABLES:libxtables \
+KEEPALIVED_IPTABLES:libipset \
+(KEEPALIVED_SNMP_VRRP||KEEPALIVED_SNMP_CHECKER||KEEPALIVED_SNMP_RFC2||KEEPALIVED_SNMP_RFC3):libnetsnmp \
+KEEPALIVED_DBUS:glib2
endef
define Package/keepalived/description
VRRP with failover and monitoring daemon for Linux Virtual Server (LVS) clusters.
endef
define Package/keepalived/conffiles
/etc/keepalived/keepalived.conf
/etc/config/keepalived
/etc/keepalived.user
endef
CONFIGURE_ARGS+= \
--enable-json \
--with-init=SYSV \
--disable-track-process \
--runstatedir="/var/run"
ifeq ($(CONFIG_KEEPALIVED_VRRP),)
CONFIGURE_ARGS += \
--disable-vrrp
endif
ifeq ($(CONFIG_KEEPALIVED_LVS),)
CONFIGURE_ARGS += \
--disable-lvs
endif
ifeq ($(CONFIG_KEEPALIVED_BFD),y)
CONFIGURE_ARGS += \
--enable-bfd
endif
ifeq ($(CONFIG_KEEPALIVED_SHA1),y)
CONFIGURE_ARGS += \
--enable-sha1
endif
ifeq ($(CONFIG_KEEPALIVED_VRRP),y)
ifeq ($(CONFIG_KEEPALIVED_NFTABLES),)
CONFIGURE_ARGS += \
--disable-nftables
endif
ifeq ($(CONFIG_KEEPALIVED_IPTABLES),)
CONFIGURE_ARGS += \
--disable-iptables
endif
ifeq ($(CONFIG_KEEPALIVED_IPSETS),)
CONFIGURE_ARGS += \
--disable-libipset-dynamic
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_VRRP),y)
CONFIGURE_ARGS += \
--enable-snmp-vrrp
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_RFC2),y)
CONFIGURE_ARGS += \
--enable-snmp-rfcv2
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_RFC3),y)
CONFIGURE_ARGS += \
--enable-snmp-rfcv3
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_RFC3),y)
ifeq ($(CONFIG_KEEPALIVED_SNMP_REPLY_V3_FOR_V2),)
CONFIGURE_ARGS += \
--disable-snmp-reply-v3-for-v2
endif
endif # CONFIG_KEEPALIVED_SNMP_RFC3
ifeq ($(CONFIG_KEEPALIVED_VRRP_AUTH),)
CONFIGURE_ARGS += \
--disable-vrrp-auth
endif
ifeq ($(CONFIG_KEEPALIVED_CHECKSUM_COMPAT),)
CONFIGURE_ARGS += \
--disable-checksum-compat
endif
ifeq ($(CONFIG_KEEPALIVED_DBUS),y)
CONFIGURE_ARGS += \
--enable-dbus
endif
ifeq ($(CONFIG_KEEPALIVED_LINKBEAT),)
CONFIGURE_ARGS += \
--disable-linkbeat
endif
ifeq ($(CONFIG_KEEPALIVED_ROUTES),)
CONFIGURE_ARGS += \
--disable-routes
endif
endif # CONFIG_KEEPALIVED_VRRP
ifeq ($(CONFIG_KEEPALIVED_LVS),y)
ifeq ($(CONFIG_KEEPALIVED_LVS_SYNCD),)
CONFIGURE_ARGS += \
--disable-lvs-syncd
endif
ifeq ($(CONFIG_KEEPALIVED_LVS_64BIT_STATS),)
CONFIGURE_ARGS += \
--disable-lvs-64bit-stats
endif
ifeq ($(CONFIG_KEEPALIVED_FWMARK),)
CONFIGURE_ARGS += \
--disable-fwmark
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_CHECKER),y)
CONFIGURE_ARGS += \
--enable-snmp-checker
endif
endif # CONFIG_KEEPALIVED_LVS
MAKE_FLAGS += STRIP="/bin/true"
TARGET_CFLAGS += -I$(LINUX_DIR)
define Package/keepalived/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/keepalived \
$(1)/usr/sbin/
ifeq ($(CONFIG_KEEPALIVED_LVS),y)
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/genhash \
$(1)/usr/bin/
endif
$(INSTALL_DIR) $(1)/etc/keepalived
$(INSTALL_CONF) $(PKG_INSTALL_DIR)/etc/keepalived/keepalived.conf.sample \
$(1)/etc/keepalived/keepalived.conf
$(INSTALL_DIR) $(1)/etc/uci-defaults
$(INSTALL_BIN) ./files/etc/uci-defaults/keepalived \
$(1)/etc/uci-defaults/keepalived
$(INSTALL_DIR) $(1)/etc/init.d
$(INSTALL_BIN) ./files/keepalived.init \
$(1)/etc/init.d/keepalived
$(INSTALL_DIR) $(1)/etc/config
$(INSTALL_CONF) ./files/keepalived.config \
$(1)/etc/config/keepalived
$(INSTALL_DIR) $(1)/etc
$(INSTALL_CONF) ./files/keepalived.user \
$(1)/etc/keepalived.user
$(INSTALL_DIR) $(1)/etc/hotplug.d/keepalived
$(INSTALL_DATA) ./files/hotplug-user \
$(1)/etc/hotplug.d/keepalived/01-user
$(INSTALL_DIR) $(1)/usr/libexec/rpcd
$(INSTALL_BIN) ./files/usr/libexec/rpcd/keepalived \
$(1)/usr/libexec/rpcd/keepalived
ifneq ($(CONFIG_KEEPALIVED_SNMP_VRRP)$(CONFIG_KEEPALIVED_SNMP_CHECKER)$(CONFIG_KEEPALIVED_SNMP_RFC2)$(CONFIG_KEEPALIVED_SNMP_RFC3),)
$(INSTALL_DIR) $(1)/usr/share/snmp/mibs
endif
ifneq ($(CONFIG_KEEPALIVED_SNMP_VRRP)$(CONFIG_KEEPALIVED_SNMP_CHECKER),)
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/snmp/mibs/KEEPALIVED-MIB.txt \
$(1)/usr/share/snmp/mibs/KEEPALIVED-MIB.txt
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_RFC2),y)
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/snmp/mibs/VRRP-MIB.txt \
$(1)/usr/share/snmp/mibs/VRRP-MIB.txt
endif
ifeq ($(CONFIG_KEEPALIVED_SNMP_RFC3),y)
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/snmp/mibs/VRRPv3-MIB.txt \
$(1)/usr/share/snmp/mibs/VRRPv3-MIB.txt
endif
ifeq ($(CONFIG_KEEPALIVED_DBUS),y)
$(INSTALL_DIR) $(1)/etc/dbus-1/system.d
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/etc/dbus-1/system.d/org.keepalived.Vrrp1.conf \
$(1)/etc/dbus-1/system.d/org.keepalived.Vrrp1.conf
$(INSTALL_DIR) $(1)/usr/share/dbus-1/interfaces
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/dbus-1/interfaces/org.keepalived.Vrrp1.Instance.xml \
$(1)/usr/share/dbus-1/interfaces/org.keepalived.Vrrp1.Instance.xml
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/dbus-1/interfaces/org.keepalived.Vrrp1.Vrrp.xml \
$(1)/usr/share/dbus-1/interfaces/org.keepalived.Vrrp1.Vrrp.xml
endif
endef
define Package/keepalived-sync
SECTION:=net
CATEGORY:=Network
TITLE:=Keepalived Master and Backup Synchronization
DEPENDS:= +keepalived +rsync +inotifywait +sudo +@BUSYBOX_CUSTOM +@BUSYBOX_CONFIG_TIMEOUT
endef
define Package/keepalived-sync/description
Keepalived HA with Master to Backup files and data Synchronization
endef
define Package/keepalived-sync/conffiles
/etc/keepalived/scripts
/etc/keepalived/keys
endef
define Package/keepalived-sync/install
$(INSTALL_DIR) $(1)/etc/init.d
$(INSTALL_BIN) ./files/etc/init.d/keepalived-inotify \
$(1)/etc/init.d/keepalived-inotify
$(INSTALL_DIR) $(1)/usr/share/keepalived/scripts
$(INSTALL_BIN) ./files/usr/share/keepalived/scripts/rsync.sh \
$(1)/usr/share/keepalived/scripts/rsync.sh
$(INSTALL_DIR) $(1)/etc/keepalived/scripts
$(LN) /usr/share/keepalived/scripts/rsync.sh \
$(1)/etc/keepalived/scripts/rsync.sh
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) ./files/usr/bin/keepalived-rsync-inotify \
$(1)/usr/bin/keepalived-rsync-inotify
$(INSTALL_DIR) $(1)/lib/functions/keepalived
$(INSTALL_DATA) ./files/lib/functions/keepalived/hotplug.sh \
$(1)/lib/functions/keepalived/hotplug.sh
$(INSTALL_DATA) ./files/lib/functions/keepalived/common.sh \
$(1)/lib/functions/keepalived/common.sh
$(INSTALL_DIR) $(1)/usr/libexec/keepalived/rpc
$(INSTALL_DATA) ./files/usr/libexec/keepalived/rpc/sync.sh \
$(1)/usr/libexec/keepalived/rpc/sync.sh
$(INSTALL_DIR) $(1)/etc/hotplug.d/keepalived
$(CP) ./files/etc/hotplug.d/keepalived/* \
$(1)/etc/hotplug.d/keepalived
endef
USER=keepalived
USER_ID=60001
USER_HOME=/usr/share/keepalived/rsync
SUDO_DIR=/etc/sudoers.d
SUDO_FILE=$(SUDO_DIR)/$(USER)
KEYS_DIR=/etc/keepalived/keys
define Package/keepalived-sync/postinst
#!/bin/sh
mkdir -p "$${IPKG_INSTROOT}/etc/uci-defaults"
DEFAULT_SCRIPT="$${IPKG_INSTROOT}/etc/uci-defaults/99-keepalived-sync"
cat << EOF > $${DEFAULT_SCRIPT}
#!/bin/sh
. /lib/functions.sh
mkdir -p $(KEYS_DIR)
group_add "$(USER)" "$(USER_ID)"
user_add "$(USER)" "$(USER_ID)" "$(USER_ID)" "$(USER)" "$(USER_HOME)" "/bin/ash"
mkdir -m 700 -p "$(USER_HOME)"
mkdir -m 700 -p "$(USER_HOME)/.ssh"
chown "$(USER)":"$(USER)" "$(USER_HOME)" -R
[ ! -d "$(SUDO_DIR)" ] && mkdir "$(SUDO_DIR)"
echo "$(USER) ALL= NOPASSWD:/usr/bin/rsync" > "$(SUDO_FILE)"
EOF
[ -z "$${IPKG_INSTROOT}" ] && [ -f "$${DEFAULT_SCRIPT}" ] && sh "$${DEFAULT_SCRIPT}"
exit 0
endef
define Package/keepalived-sync/postrm
#!/bin/sh
[ -n "$${IPKG_INSTROOT}" ] && exit 0
[ -d "$(KEYS_DIR)" ] && rm -rf "$(KEYS_DIR)"
[ -d "$(USER_HOME)" ] && rm -rf "$(USER_HOME)"
[ -f "$(SUDO_FILE)" ] && rm -f "$(SUDO_FILE)"
sed -i -e "/^$(USER):/d" /etc/passwd /etc/shadow /etc/group
exit 0
endef
$(eval $(call BuildPackage,keepalived))
$(eval $(call BuildPackage,keepalived-sync))
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