;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Roel Janssen <roel@gnu.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 (gn packages slurm)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages tcl)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages textutils)
  #:use-module (gnu packages base)
  #:use-module (gnu packages gnupg)
  #:use-module (gnu packages libedit)
  #:use-module (gnu packages llvm)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages python)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages zip)
  #:use-module (guix git-download))

(define-public slurm-llnl
  (package
   (name "slurm-llnl")
   (version "15-08-6-1")
   (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/SchedMD/slurm/archive/slurm-"
                                 version ".tar.gz"))
             (file-name (string-append name "-" version ".tar.gz"))
             (sha256
              (base32
               "1h8al21blmrhma9r7qxkba2g5i74m3hrjc9a640j7px54szvg18v"))))
    (inputs `(("openssl" ,openssl)
              ("munge" ,munge)
              ("perl" ,perl)
              ("expect" ,expect)
              ("python" ,python)
              ("linux-pam" , linux-pam)))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags '("--enable-pam")
       #:phases
       (modify-phases %standard-phases
         (add-before
          'configure 'rewrite-usr-bin
          (lambda* (#:key inputs #:allow-other-keys)
                   (substitute* "./doc/html/shtml2html.py"
                                (("#!/usr/bin/env python")
                                 (string-append "#!" (which "python3"))))
                   (substitute* "src/common/env.c"
                                (("/usr/bin/env") (which "env"))))))))
    (home-page "http://www.schedmd.com/")
    (synopsis "Tool for cluster computing")
    (description
     "Fault-tolerant, and highly scalable cluster management and job
scheduling system for large and small clusters.")
    (license license:gpl2+)))

(define-public munge
  (package
    (name "munge")
    (version "0.5.11")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://github.com/dun/munge/archive/munge-"
                                 version ".tar.gz"))
             (file-name (string-append name "-" version ".tar.gz"))
             (sha256
              (base32
               "0njplyalwwqh7xr7xc7klc6x06mq0ak8w2pxh85w8n4hxkmqqnf5"))))
    (inputs `(("openssl" ,openssl)
              ("libgcrypt" ,libgcrypt)))
    (build-system gnu-build-system)
    (home-page "https://dun.github.io/munge/")
    (synopsis "Scalable authentication service for creating and validating
credentials on a cluster")
    (description "Munge allows a process to authenticate the UID and
GID of another local or remote process within a group of hosts having
common users and groups.  These hosts form a security realm that is
defined by a shared cryptographic key.  Clients within this security
realm can create and validate credentials without the use of root
privileges, reserved ports, or platform-specific methods.")
    (license license:gpl2+)))