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Diffstat (limited to 'gnu/machines.scm')
| -rw-r--r-- | gnu/machines.scm | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/gnu/machines.scm b/gnu/machines.scm new file mode 100644 index 0000000000..a02f668b66 --- /dev/null +++ b/gnu/machines.scm @@ -0,0 +1,127 @@ +;;; 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)))))) |