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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.
;;;
;;; 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-11)
(srfi srfi-37)
(ice-9 threads)
(ice-9 textual-ports)
((guix config) #:prefix guix-config:)
(guix-build-coordinator utils)
(guix-build-coordinator agent)
(guix-build-coordinator agent-messaging)
(guix-build-coordinator agent-messaging http))
(define %options
;; Specifications of the command-line options
(list (option '("coordinator") #t #f
(lambda (opt name arg result)
(alist-cons 'coordinator
arg
result)))
(option '("uuid") #t #f
(lambda (opt name arg result)
(alist-cons 'uuid
arg
result)))
(option '("name") #t #f
(lambda (opt name arg result)
(alist-cons 'name
arg
result)))
(option '("password") #t #f
(lambda (opt name arg result)
(alist-cons 'password
arg
result)))
(option '("password-file") #t #f
(lambda (opt name arg result)
(alist-cons 'password
(string-trim-right
(call-with-input-file arg get-string-all))
result)))
(option '("dynamic-auth-token") #t #f
(lambda (opt name arg result)
(alist-cons 'dynamic-auth-token
arg
result)))
(option '("dynamic-auth-token-file") #t #f
(lambda (opt name arg result)
(alist-cons 'dynamic-auth-token
(string-trim-right
(call-with-input-file arg get-string-all))
result)))
(option '("max-parallel-builds") #t #f
(lambda (opt name arg result)
(alist-cons 'max-parallel-builds
(string->number arg)
result)))
(option '("max-1min-load-average") #t #f
(lambda (opt name arg result)
(alist-cons 'max-1min-load-average
(string->number arg)
result)))
(option '("substitute-urls") #t #f
(lambda (opt name arg result)
(alist-cons 'substitute-urls
(string-split arg #\space)
result)))
(option '("derivation-substitute-urls") #t #f
(lambda (opt name arg result)
(alist-cons 'derivation-substitute-urls
(string-split arg #\space)
result)))
(option '("non-derivation-substitute-urls") #t #f
(lambda (opt name arg result)
(alist-cons 'non-derivation-substitute-urls
(string-split arg #\space)
result)))
(option '("system") #t #f
(lambda (opt name arg result)
(alist-cons 'systems
(cons arg
(or (assq-ref result 'systems)
'()))
(alist-delete 'systems result))))
(option '("metrics-file") #t #f
(lambda (opt name arg result)
(alist-cons 'metrics-file
arg
result)))))
(define %option-defaults
`((coordinator . "http://localhost:8745")
(max-parallel-builds . 1)
(systems . (,guix-config:%system))
(metrics-file
. "/var/lib/prometheus/node-exporter/guix-build-coordinator-agent.prom")
(max-1min-load-average
. ,(max (ceiling
(* 3 (/ (total-processor-count) 4)))
1))))
(define (parse-options options defaults args)
(args-fold
args %options
(lambda (opt name arg result)
(error "unrecognized option" name))
(lambda (arg result)
(error "unrecognized argument" arg))
%option-defaults))
(setvbuf (current-output-port) 'line)
(setvbuf (current-error-port) 'line)
(let ((opts (parse-options %options
%option-defaults
(cdr (program-arguments)))))
(let-values
(((uuid coordinator-interface)
(cond
((and (string? (assq-ref opts 'uuid))
(string? (assq-ref opts 'password)))
(values
(assq-ref opts 'uuid)
(make-http-agent-interface
(assq-ref opts 'coordinator)
(assq-ref opts 'uuid)
(assq-ref opts 'password))))
((and (string? (assq-ref opts 'name))
(string? (assq-ref opts 'dynamic-auth-token)))
(let ((session-credentials
(fetch-session-credentials (assq-ref opts 'coordinator)
(assq-ref opts 'name)
(assq-ref opts 'dynamic-auth-token))))
(values
(assoc-ref session-credentials "id")
(make-http-agent-interface
(assq-ref opts 'coordinator)
(assoc-ref session-credentials "id")
(assoc-ref session-credentials "password")))))
(else
(error "unknown coordinator interface")))))
(run-agent uuid
coordinator-interface
(delete-duplicates (assq-ref opts 'systems))
(assq-ref opts 'max-parallel-builds)
(or (assq-ref opts 'derivation-substitute-urls)
(assq-ref opts 'substitute-urls))
(or (assq-ref opts 'non-derivation-substitute-urls)
(assq-ref opts 'substitute-urls))
(assq-ref opts 'metrics-file)
(assq-ref opts 'max-1min-load-average))))
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