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|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@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 (gnu machines)
#:use-module (guix records)
#:use-module (gnu system)
#:use-module (gnu system vm)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (deployment
make-deployment
deployment?
deployment-name
deployment-machines
machine
make-machine
machine?
machine-name
machine-system
machine-platform
platform
make-platform
platform-name
platform-description
platform-provision
platform-install
platform-reconfigure
platform-boot
platform-reboot
platform-halt
platform-destroy
machine-os-for-platform
provision-machine
boot-machine
local-vm))
(define-record-type* <deployment> deployment
make-deployment
deployment?
(name deployment-name) ; string
(machines deployment-machines)) ; list of <machine>
(define-record-type* <machine> machine
make-machine
machine?
(name machine-name) ; string
(system machine-system) ; <operating-system>
(platform machine-platform)) ; <platform>
(define-record-type* <platform> platform
make-platform
platform?
(name platform-name) ; string
(description platform-description) ; string
(transform platform-transform) ; procedure
(provision platform-provision) ; procedure
;; (install platform-install) ; procedure
;; (reconfigure platform-reconfigure) ; procedure
(boot platform-boot) ; procedure
;; (reboot platform-reboot) ; procedure
;; (halt platform-halt) ; procedure
;; (destroy platform-destroy) ; procedure
)
(define (machine-os-for-platform machine)
((platform-transform (machine-platform machine)) (machine-system machine)))
(define (provision-machine machine)
(let ((os (machine-os-for-platform machine)))
((platform-provision (machine-platform machine)) os)))
(define (boot-machine machine state)
((platform-boot (machine-platform machine)) state))
(use-modules (guix monads)
(guix derivations)
(guix store)
(gnu services networking))
(define* (local-vm #:key (ip-address "10.0.2.10")
(disk-image-size (* 32 (expt 2 20))))
(platform
(name "local-vm")
(description "Local QEMU/KVM platform")
(transform
(lambda (os)
(let ((os (operating-system (inherit os)
(services
(cons
(static-networking-service "eth0" ip-address
#:name-servers '("10.0.2.3")
#:gateway "10.0.2.2")
(operating-system-user-services os))))))
(virtualized-operating-system os '()))))
(provision
(lambda (os)
(mlet %store-monad
((vm-script (system-qemu-image/shared-store-script
os #:disk-image-size disk-image-size)))
(mbegin %store-monad
(built-derivations (list vm-script))
(return (derivation-output-path
(assoc-ref (derivation-outputs vm-script) "out")))))))
(boot
(lambda (script)
(match (primitive-fork)
(0 (primitive-exit (system* script)))
(pid #t))))))
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