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#!@GUILE@ --no-auto-compile
-*- scheme -*-
-*- geiser-scheme-implementation: guile -*-
!#
;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of guix-data-service.
;;;
;;; guix-data-service 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.
;;;
;;; guix-data-service 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 the guix-data-service. If not, see
;;; <http://www.gnu.org/licenses/>.
(use-modules (srfi srfi-1)
(srfi srfi-37)
(ice-9 match)
(ice-9 textual-ports)
(system repl server)
(gcrypt pk-crypto)
(guix pki)
(guix-data-service config)
(guix-data-service web server)
(guix-data-service web controller)
(guix-data-service web nar controller))
(define %default-repl-server-port
;; Default port to run REPL server on, if --listen-repl is provided
;; but no port is mentioned
37146)
(define %options
;; Specifications of the command-line options
(list (option '("listen-repl") #f #t
(lambda (opt name arg result)
(let ((port (cond (arg => string->number)
(else %default-repl-server-port))))
(if port
(alist-cons 'listen-repl port
(alist-delete 'listen-repl result))
(error "invalid REPL server port" arg)))))
(option '("pid-file") #t #f
(lambda (opt name arg result)
(alist-cons 'pid-file
arg
result)))
(option '("secret-key-base-file") #t #f
(lambda (opt name arg result)
(alist-cons 'secret-key-base
(string-trim-right
(call-with-input-file arg get-string-all))
result)))
(option '("narinfo-signing-public-key") #t #f
(lambda (opt name arg result)
(alist-cons 'narinfo-signing-public-key arg result)))
(option '("narinfo-signing-private-key") #t #f
(lambda (opt name arg result)
(alist-cons 'narinfo-signing-private-key arg result)))
(option '("update-database") #f #f
(lambda (opt name _ result)
(alist-cons 'update-database #t result)))
(option '("show-error-details") #f #f
(lambda (opt name _ result)
(alist-cons 'show-error-details #t result)))
(option '("port") #t #f
(lambda (opt name arg result)
(alist-cons 'port
(string->number arg)
(alist-delete 'port result))))
(option '("host") #t #f
(lambda (opt name arg result)
(alist-cons 'host
arg
(alist-delete 'host result))))))
(define %default-options
;; Alist of default option values
`((listen-repl . #f)
(narinfo-signing-public-key . ,%public-key-file)
(narinfo-signing-private-key . ,%private-key-file)
(update-database . #f)
(show-error-details
. ,(match (getenv "GUIX_DATA_SERVICE_SHOW_ERROR_DETAILS")
(#f #f)
("" #f)
(_ #t)))
(port . 8765)
(host . "0.0.0.0")))
(define (parse-options args)
(args-fold
args %options
(lambda (opt name arg result)
(error "unrecognized option" name))
(lambda (arg result)
(error "extraneous argument" arg))
%default-options))
(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)
(let ((opts (parse-options (cdr (program-arguments)))))
(let ((repl-port (assoc-ref opts 'listen-repl)))
(when repl-port
(spawn-server (make-tcp-server-socket #:port repl-port))))
(when (assoc-ref opts 'update-database)
(let ((command
(list (%config 'sqitch)
"deploy"
"--db-client" (%config 'sqitch-psql)
"--chdir" (dirname (%config 'sqitch-plan))
"--plan-file" (%config 'sqitch-plan)
(string-append "db:pg://"
(%config 'database-user)
"@"
(if (string=? (%config 'database-host)
"localhost")
"" ; This means the unix socket
; connection will be used
(%config 'database-host))
"/"
(%config 'database-name)))))
(simple-format #t "running command: ~A\n"
(string-join command))
(unless (zero? (apply system* command))
(simple-format
(current-error-port)
"error: sqitch command failed\n")
(exit 1))))
(let ((pid-file (assq-ref opts 'pid-file)))
(when pid-file
(call-with-output-file pid-file
(lambda (port)
(simple-format port "~A\n" (getpid))))))
(simple-format #t "starting the server on port ~A\n"
(assq-ref opts 'port))
(parameterize ((%narinfo-signing-public-key
(catch
'system-error
(lambda ()
(and=> (assoc-ref opts 'narinfo-signing-public-key)
read-file-sexp))
(lambda (key . args)
(simple-format
(current-error-port)
"warning: failed to load narinfo signing public key from ~A\n"
(assoc-ref opts 'narinfo-signing-private-key))
(simple-format (current-error-port)
" ~A: ~A\n"
key args))))
(%narinfo-signing-private-key
(catch
'system-error
(lambda ()
(and=> (assoc-ref opts 'narinfo-signing-private-key)
read-file-sexp))
(lambda (key . args)
(simple-format
(current-error-port)
"warning: failed to load narinfo signing private key from ~A\n"
(assoc-ref opts 'narinfo-signing-private-key))
(simple-format (current-error-port)
" ~A: ~A\n"
key args)
(display "warning: not signing narinfo files\n"
(current-error-port))
#f)))
(%show-error-details
(assoc-ref opts 'show-error-details)))
(start-guix-data-service-web-server (assq-ref opts 'port)
(assq-ref opts 'host)
(assq-ref opts 'secret-key-base))))
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