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#!@GUILE@ --no-auto-compile
-*- scheme -*-
-*- geiser-scheme-implementation: guile -*-
!#
;;; Guix Build Coordinator
;;;
;;; Copyright © 2020 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of the guix-build-coordinator.
;;;
;;; The Guix Build Coordinator 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.
;;;
;;; The Guix Build Coordinator 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)
((guix ui) #:select (read/eval))
(guix derivations)
(guix-build-coordinator hooks)
(guix-build-coordinator utils)
(guix-build-coordinator config)
(guix-build-coordinator datastore)
(guix-build-coordinator coordinator)
(guix-build-coordinator agent-messaging http))
(define %base-options
;; Specifications of the command-line options
(list (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 '("database") #t #f
(lambda (opt name arg result)
(alist-cons 'database
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)))))
(define %base-option-defaults
;; Alist of default option values
`((update-database . #f)
(database . "sqlite://guix_build_coordinator.db")
(port . 8745)
(host . "0.0.0.0")
(show-error-details
. ,(match (getenv "GUIX_BUILD_COORDINATOR_SHOW_ERROR_DETAILS")
(#f #f)
("" #f)
(_ #t)))))
(define %build-options
(list (option '("priority") #t #f
(lambda (opt name arg result)
(alist-cons 'priority
(string->number arg)
result)))
(option '("ignore-if-build-for-derivation-exists") #f #f
(lambda (opt name _ result)
(alist-cons 'ignore-if-build-for-derivation-exists #t result)))
(option '("ignore-if-build-for-outputs-exists") #f #f
(lambda (opt name _ result)
(alist-cons 'ignore-if-build-for-outputs-exists #t result)))
(option '("ensure-all-related-derivations-have-builds") #f #f
(lambda (opt name _ result)
(alist-cons 'ensure-all-related-derivations-have-builds
#t
result)))
(option '("defer-allocation") #f #f
(lambda (opt name _ result)
(alist-cons 'defer-allocation #t result)))))
(define %build-option-defaults
`((priority . 0)
(ignore-if-build-for-derivation-exists . #f)
(ignore-if-build-for-outputs-exists . #f)
(ensure-all-related-derivations-have-builds . #f)
(defer-allocation . #f)))
(define %service-options
(list (option '("pid-file") #t #f
(lambda (opt name arg result)
(alist-cons 'pid-file
arg
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))))
(option '("build-success-hook") #t #f
(lambda (opt name arg result)
(alist-cons 'build-success-hook
(read/eval arg)
(alist-delete 'build-success-hook result))))
(option '("build-failure-hook") #t #f
(lambda (opt name arg result)
(alist-cons 'build-failure-hook
(read/eval arg)
(alist-delete 'build-failure-hook result))))
(option '("build-missing-inputs-hook") #t #f
(lambda (opt name arg result)
(alist-cons 'build-missing-inputs-hook
(read/eval arg)
(alist-delete 'build-missing-inputs-hook result))))))
(define %service-option-defaults
;; Alist of default option values
`((port . 8745)
(host . "0.0.0.0")
(build-success-hook . ,default-build-success-hook)
(build-failure-hook . ,default-build-failure-hook)
(build-missing-inputs-hook . ,default-build-missing-inputs-hook)))
(define %agent-options
(list (option '("uuid") #t #f
(lambda (opt name arg result)
(alist-cons 'uuid
arg
result)))
(option '("description") #t #f
(lambda (opt name arg result)
(alist-cons 'description
arg
result)))))
(define (parse-options options defaults args)
(args-fold
args options
(lambda (opt name arg result)
(error "unrecognized option" name))
(lambda (arg result)
(alist-cons
'arguments
(cons arg
(or (assoc-ref result 'arguments)
'()))
(alist-delete 'arguments result)))
defaults))
(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)
(match (cdr (program-arguments))
(("build" rest ...)
(let ((opts (parse-options (append %build-options
%base-options)
(append %build-option-defaults
%base-option-defaults)
rest)))
(match (assq-ref opts 'arguments)
((derivation-file)
(let ((datastore
(database-uri->datastore
(assq-ref opts 'database))))
(when (assq-ref opts 'ignore-if-build-for-derivation-exists)
(let ((builds-for-derivation
(datastore-list-builds-for-derivation datastore
derivation-file)))
(unless (null? builds-for-derivation)
(simple-format #t "there are already ~A builds for ~A, skipping\n"
(length builds-for-derivation)
derivation-file)
(exit 0))))
(unless (file-exists? derivation-file)
(substitute-derivation derivation-file))
(let ((derivation (read-derivation-from-file derivation-file)))
(when (assq-ref opts 'ignore-if-build-for-outputs-exists)
(for-each
(match-lambda
((name . derivation-output)
(let ((builds-for-output
(datastore-list-builds-for-output
datastore
(derivation-output-path derivation-output))))
(unless (null? builds-for-output)
(simple-format
#t "there are already ~A builds for ~A, skipping\n"
(length builds-for-output)
(derivation-output-path derivation-output))
(exit 0)))))
(derivation-outputs derivation)))
(let ((uuid (submit-build
datastore
derivation
#:priority (assq-ref opts 'priority)
#:defer-allocation? (assq-ref opts 'defer-allocation)
#:ensure-all-related-derivations-have-builds?
(assq-ref
opts 'ensure-all-related-derivations-have-builds))))
(simple-format #t "build submitted as ~A\n" uuid))))))))
(("agent" "new" rest ...)
(let ((opts (parse-options (append %agent-options
%base-options)
%base-option-defaults
rest)))
(let ((uuid (new-agent (database-uri->datastore
(assq-ref opts 'database))
#:requested-uuid (assq-ref opts 'uuid)
#:description (assq-ref opts 'description))))
(simple-format #t "agent created as as ~A\n" uuid))))
(("agent" id "password" "new" rest ...)
(let ((opts (parse-options %base-options
%base-option-defaults
rest)))
(let ((password (new-agent-password
(database-uri->datastore
(assq-ref opts 'database))
#:agent id)))
(simple-format #t "new password: ~A\n" password))))
(("agent" "list" rest ...)
(let ((opts (parse-options %base-options %base-option-defaults rest)))
(for-each (lambda (agent)
(simple-format
#t "~A: ~A\n"
(assq-ref agent 'uuid)
(or (assq-ref agent 'description)
"(no description)")))
(datastore-list-agents
(database-uri->datastore
(assq-ref opts 'database))))))
((arguments ...)
(let* ((opts (parse-options (append %service-options
%base-options)
(append %service-option-defaults
%base-option-defaults)
arguments))
(datastore (database-uri->datastore
(assq-ref opts 'database)
#:metrics-registry
coordinator-metrics-registry))
(hooks
`((build-success . ,(assq-ref opts 'build-success-hook))
(build-failure . ,(assq-ref opts 'build-failure-hook))
(build-missing-inputs . ,(assq-ref opts 'build-missing-inputs-hook)))))
(when (assoc-ref opts 'update-database)
(datastore-update datastore))
(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))))))
(parameterize ((%show-error-details
(assoc-ref opts 'show-error-details)))
(simple-format #t "listening on ~A:~A\n"
(assq-ref opts 'host)
(assq-ref opts 'port))
(http-agent-messaging-start-server
(assq-ref opts 'port)
(assq-ref opts 'host)
(assq-ref opts 'secret-key-base)
datastore
hooks)))))
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