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;;; Consfigurator -- Lisp declarative configuration management system
;;; Copyright (C) 2021 Sean Whitton <spwhitton@spwhitton.name>
;;; This file 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, or (at your option)
;;; any later version.
;;; This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
(in-package :consfigurator.property.chroot)
(named-readtables:in-readtable :consfigurator)
(defprop %debootstrapped :posix (root host &rest options)
"Bootstrap The Universal Operating System into ROOT using debootstrap(1)."
(:check
(declare (ignore options host))
;; check whether a previous debootstrap failed partway through
(if (test "-d" (merge-pathnames "debootstrap/"
(ensure-directory-pathname root)))
(progn (delete-remote-trees root) nil)
(remote-exists-p (merge-pathnames "usr/lib/os-release" root))))
(:apply
(destructuring-bind
(&key (apt.proxy (get-hostattrs-car :apt.proxy host))
(apt.mirror (get-hostattrs-car :apt.mirror host))
&allow-other-keys
&aux (os (get-hostattrs-car :os host))
(args (list "debootstrap"
(plist-to-cmd-args
(remove-from-plist options :apt.proxy :apt.mirror))
(strcat "--arch=" (os:debian-architecture os))
(os:debian-suite os)
root)))
options
(when apt.proxy
(setq args (list* :env (list :http_proxy apt.proxy) args)))
(when apt.mirror
(nconcf args (list apt.mirror)))
(apply #'run args))))
(defpropspec %os-bootstrapper-installed :posix (host)
(:desc (declare (ignore host)) "OS bootstrapper installed")
`(os:host-etypecase ,host
(debian
(os:etypecase
(debianlike (apt:installed "debootstrap" "qemu-user-static"))))))
(defpropspec %os-bootstrapped :posix (options root host)
"Bootstrap OS into ROOT, e.g. with debootstrap(1)."
;; evaluate HOST once; can't use ONCE-ONLY because gensyms not serialisable
;; for sending to remote Lisp images
(:desc (declare (ignore options root host)) "OS bootstrapped")
(let ((host host))
`(os:host-etypecase ,host
(debian (%debootstrapped ,root ,host ,@options)))))
(defmethod %make-child-host ((host unpreprocessed-host))
(let ((propspec (host-propspec host)))
(make-child-host
:hostattrs (hostattrs host)
:propspec (make-propspec
:systems (propspec-systems propspec)
:propspec `(service:without-starting-services
(container:contained :filesystem)
,(propspec-props propspec))))))
(defproplist deploys :lisp (root host &optional additional-properties)
"Like DEPLOYS with first argument `((:chroot :into ,root)), but disable
starting services in the chroot, and set up access to parent hostattrs."
(:desc #?"Subdeployment of ${root}")
(consfigurator:deploys
`((:chroot :into ,root))
(%make-child-host (union-propspec-into-host host additional-properties))))
(defproplist deploys-these :lisp (root host properties)
"Like DEPLOYS-THESE with first argument `((:chroot :into ,root)), but disable
starting services in the chroot, and set up access to parent hostattrs."
(:desc #?"Subdeployment of ${root}")
(consfigurator:deploys
`((:chroot :into ,root))
(%make-child-host (replace-propspec-into-host host properties))))
(defproplist os-bootstrapped-for :lisp
(options root host &optional additional-properties
&aux
(child-host (%make-child-host
(union-propspec-into-host host additional-properties)))
(child-host* (preprocess-host child-host)))
"Bootstrap an OS for HOST into ROOT and apply the properties of HOST.
OPTIONS is a plist of values to pass to the OS-specific bootstrapping property."
(:desc
(declare (ignore options))
#?"Built chroot for ${(get-hostname child-host*)} @ ${root}")
(%os-bootstrapper-installed child-host*)
(%os-bootstrapped options root child-host*)
(consfigurator:deploys `((:chroot :into ,root)) child-host))
(defproplist os-bootstrapped :lisp (options root properties)
"Bootstrap an OS into ROOT and apply PROPERTIES.
OPTIONS is a plist of values to pass to the OS-specific bootstrapping property."
(:desc (declare (ignore options properties))
#?"Built chroot @ ${root}")
(os-bootstrapped-for options root (make-host :propspec properties)))
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