123 lines
4.7 KiB
Scheme
123 lines
4.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 David Thompson <davet@gnu.org>
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;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.lonestar.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts deploy)
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#:use-module (gnu machine)
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#:use-module (guix discovery)
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#:use-module (guix scripts)
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#:use-module (guix scripts build)
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#:use-module (guix store)
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#:use-module (guix ui)
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#:use-module (guix utils)
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#:use-module (guix grafts)
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#:use-module (guix status)
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#:use-module (ice-9 format)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (srfi srfi-37)
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#:export (guix-deploy))
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;;; Commentary:
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;;;
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;;; This program provides a command-line interface to (gnu machine), allowing
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;;; users to perform remote deployments through specification files.
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;;;
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;;; Code:
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(define (show-help)
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(display (G_ "Usage: guix deploy [OPTION] FILE...
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Perform the deployment specified by FILE.\n"))
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(show-build-options-help)
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(newline)
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(display (G_ "
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-h, --help display this help and exit"))
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(display (G_ "
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-V, --version display version information and exit"))
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(newline)
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(display (G_ "
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-v, --verbosity=LEVEL use the given verbosity LEVEL"))
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(show-bug-report-information))
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(define %options
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(cons* (option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\s "system") #t #f
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(lambda (opt name arg result)
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(alist-cons 'system arg
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(alist-delete 'system result eq?))))
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(option '(#\v "verbosity") #t #f
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(lambda (opt name arg result)
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(let ((level (string->number* arg)))
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(alist-cons 'verbosity level
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(alist-delete 'verbosity result)))))
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%standard-build-options))
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(define %default-options
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;; Alist of default option values.
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`((verbosity . 1)
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(debug . 0)
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(graft? . #t)
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(substitutes? . #t)
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(build-hook? . #t)
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(print-build-trace? . #t)
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(print-extended-build-trace? . #t)
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(multiplexed-build-output? . #t)))
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(define (load-source-file file)
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"Load FILE as a user module."
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(let* ((guix-path (dirname (search-path %load-path "guix.scm")))
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(environment-modules (scheme-modules* guix-path "gnu/machine"))
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(module (make-user-module (append '((gnu) (gnu machine))
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environment-modules))))
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(load* file module)))
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(define (guix-deploy . args)
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(define (handle-argument arg result)
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(alist-cons 'file arg result))
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(let* ((opts (parse-command-line args %options (list %default-options)
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#:argument-handler handle-argument))
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(file (assq-ref opts 'file))
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(machines (or (and file (load-source-file file)) '())))
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(with-status-verbosity (assoc-ref opts 'verbosity)
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(with-store store
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(set-build-options-from-command-line store opts)
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(for-each (lambda (machine)
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(info (G_ "deploying to ~a...~%")
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(machine-display-name machine))
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(parameterize ((%graft? (assq-ref opts 'graft?)))
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(guard (c ((message-condition? c)
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(report-error (G_ "failed to deploy ~a: ~a~%")
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(machine-display-name machine)
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(condition-message c)))
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((deploy-error? c)
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(when (deploy-error-should-roll-back c)
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(info (G_ "rolling back ~a...~%")
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(machine-display-name machine))
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(run-with-store store (roll-back-machine machine)))
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(apply throw (deploy-error-captured-args c))))
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(run-with-store store (deploy-machine machine)))))
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machines)))))
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