guix-devel/guix/scripts/deploy.scm

123 lines
4.7 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters!

This file contains invisible Unicode characters that may be processed differently from what appears below. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to reveal hidden characters.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 David Thompson <davet@gnu.org>
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.lonestar.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 (guix scripts deploy)
#:use-module (gnu machine)
#:use-module (guix discovery)
#:use-module (guix scripts)
#:use-module (guix scripts build)
#:use-module (guix store)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix grafts)
#:use-module (guix status)
#:use-module (ice-9 format)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
#:use-module (srfi srfi-37)
#:export (guix-deploy))
;;; Commentary:
;;;
;;; This program provides a command-line interface to (gnu machine), allowing
;;; users to perform remote deployments through specification files.
;;;
;;; Code:
(define (show-help)
(display (G_ "Usage: guix deploy [OPTION] FILE...
Perform the deployment specified by FILE.\n"))
(show-build-options-help)
(newline)
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
-V, --version display version information and exit"))
(newline)
(display (G_ "
-v, --verbosity=LEVEL use the given verbosity LEVEL"))
(show-bug-report-information))
(define %options
(cons* (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\s "system") #t #f
(lambda (opt name arg result)
(alist-cons 'system arg
(alist-delete 'system result eq?))))
(option '(#\v "verbosity") #t #f
(lambda (opt name arg result)
(let ((level (string->number* arg)))
(alist-cons 'verbosity level
(alist-delete 'verbosity result)))))
%standard-build-options))
(define %default-options
;; Alist of default option values.
`((verbosity . 1)
(debug . 0)
(graft? . #t)
(substitutes? . #t)
(build-hook? . #t)
(print-build-trace? . #t)
(print-extended-build-trace? . #t)
(multiplexed-build-output? . #t)))
(define (load-source-file file)
"Load FILE as a user module."
(let* ((guix-path (dirname (search-path %load-path "guix.scm")))
(environment-modules (scheme-modules* guix-path "gnu/machine"))
(module (make-user-module (append '((gnu) (gnu machine))
environment-modules))))
(load* file module)))
(define (guix-deploy . args)
(define (handle-argument arg result)
(alist-cons 'file arg result))
(let* ((opts (parse-command-line args %options (list %default-options)
#:argument-handler handle-argument))
(file (assq-ref opts 'file))
(machines (or (and file (load-source-file file)) '())))
(with-status-verbosity (assoc-ref opts 'verbosity)
(with-store store
(set-build-options-from-command-line store opts)
(for-each (lambda (machine)
(info (G_ "deploying to ~a...~%")
(machine-display-name machine))
(parameterize ((%graft? (assq-ref opts 'graft?)))
(guard (c ((message-condition? c)
(report-error (G_ "failed to deploy ~a: ~a~%")
(machine-display-name machine)
(condition-message c)))
((deploy-error? c)
(when (deploy-error-should-roll-back c)
(info (G_ "rolling back ~a...~%")
(machine-display-name machine))
(run-with-store store (roll-back-machine machine)))
(apply throw (deploy-error-captured-args c))))
(run-with-store store (deploy-machine machine)))))
machines)))))