gnu: Add keepalived.

* gnu/packages/cluster.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

gnu/local.mk

@@ -96,6 +96,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/chez.scm				\
   %D%/packages/ci.scm				\
   %D%/packages/cinnamon.scm			\
+  %D%/packages/cluster.scm			\
   %D%/packages/cmake.scm			\
   %D%/packages/cobol.scm			\
   %D%/packages/code.scm				\

gnu/packages/cluster.scm

@@ -0,0 +1,67 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Sou Bunnbu <iyzsong@member.fsf.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages cluster)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix download)
+  #:use-module (guix packages)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages tls))
+
+(define-public keepalived
+  (package
+    (name "keepalived")
+    (version "2.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://www.keepalived.org/software/keepalived-"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0hp8i56zkf0398bmpi32a85f05cv2fy9wizkdfbxk7gav4z6yx18"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'patch-configure
+           (lambda _
+             ;; XXX: The 'configure' script doesn't handle '-L' flags in the
+             ;; output of 'pkg-config'.
+             (substitute* "configure"
+               (("PKG_CONFIG --libs") "PKG_CONFIG --libs-only-l"))
+             #t)))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("python-sphinx" ,python-sphinx)))
+    (inputs
+     `(("openssl" ,openssl)
+       ("libnfnetlink" ,libnfnetlink)
+       ("libnl" ,libnl)))
+    (home-page "http://www.keepalived.org/")
+    (synopsis "Loadbalancing and high-availability frameworks")
+    (description
+     "Keepalived provides frameworks for both load balancing and high
+availability.  The load balancing framework relies on the Linux Virtual
+Server (IPVS) kernel module.  High availability is achieved by the Virtual
+Redundancy Routing Protocol (VRRP).  Each Keepalived framework can be used
+independently or together to provide resilient infrastructures.")
+    (license license:gpl2+)))