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authorChristopher Baines <mail@cbaines.net>2019-09-15 19:16:11 +0100
committerChristopher Baines <mail@cbaines.net>2019-09-25 08:35:33 +0100
commitdd2a83270bccb539439b2fc831d0db04e5276f11 (patch)
tree61e41e956173b152b6643a29b7def4828f9d3b06 /gnu/tests
parent1683e4863af430fa85c790dcca600fad538432e8 (diff)
downloadgnu-guix-dd2a83270bccb539439b2fc831d0db04e5276f11.tar
gnu-guix-dd2a83270bccb539439b2fc831d0db04e5276f11.tar.gz
services: Add the Guix Data Service.
* gnu/services/guix.scm: New file. * gnu/tests/guix.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add both new files. * doc/guix.texi (Guix Services): New section documenting the Guix Data Service.
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix 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.
+;;;
+;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu tests guix)
+ #:use-module (gnu tests)
+ #:use-module (gnu system)
+ #:use-module (gnu system file-systems)
+ #:use-module (gnu system shadow)
+ #:use-module (gnu system vm)
+ #:use-module (gnu services)
+ #:use-module (gnu services guix)
+ #:use-module (gnu services databases)
+ #:use-module (gnu services shepherd)
+ #:use-module (gnu services networking)
+ #:use-module (gnu packages databases)
+ #:use-module (guix packages)
+ #:use-module (guix modules)
+ #:use-module (guix records)
+ #:use-module (guix gexp)
+ #:use-module (guix store)
+ #:use-module (guix utils)
+ #:use-module (ice-9 match)
+ #:export (%test-guix-data-service))
+
+
+;;;
+;;; Guix Data Service
+;;;
+
+(define guix-data-service-initial-database-setup-service
+ (let ((user "guix_data_service")
+ (name "guix_data_service"))
+ (define start-gexp
+ #~(lambda ()
+ (let ((pid (primitive-fork))
+ (postgres (getpwnam "postgres")))
+ (if (eq? pid 0)
+ (dynamic-wind
+ (const #t)
+ (lambda ()
+ (setgid (passwd:gid postgres))
+ (setuid (passwd:uid postgres))
+ (primitive-exit
+ (if (and
+ (zero?
+ (system* #$(file-append postgresql "/bin/createuser")
+ #$user))
+ (zero?
+ (system* #$(file-append postgresql "/bin/createdb")
+ "-O" #$user #$name)))
+ 0
+ 1)))
+ (lambda ()
+ (primitive-exit 1)))
+ (zero? (cdr (waitpid pid)))))))
+
+ (shepherd-service
+ (requirement '(postgres))
+ (provision '(guix-data-service-initial-database-setup))
+ (start start-gexp)
+ (stop #~(const #f))
+ (respawn? #f)
+ (one-shot? #t)
+ (documentation "Setup Guix Data Service database."))))
+
+(define %guix-data-service-os
+ (simple-operating-system
+ (service dhcp-client-service-type)
+ (service postgresql-service-type
+ (postgresql-configuration
+ (config-file
+ (postgresql-config-file
+ (hba-file
+ (plain-file "pg_hba.conf"
+ "
+local all all trust
+host all all 127.0.0.1/32 trust
+host all all ::1/128 trust"))))))
+ (service guix-data-service-type
+ (guix-data-service-configuration
+ (host "0.0.0.0")))
+ (simple-service 'guix-data-service-database-setup
+ shepherd-root-service-type
+ (list guix-data-service-initial-database-setup-service))))
+
+(define (run-guix-data-service-test)
+ (define os
+ (marionette-operating-system
+ %guix-data-service-os
+ #:imported-modules '((gnu services herd)
+ (guix combinators))))
+
+ (define forwarded-port 8080)
+
+ (define vm
+ (virtual-machine
+ (operating-system os)
+ (memory-size 1024)
+ (port-forwardings `((,forwarded-port . 8765)))))
+
+ (define test
+ (with-imported-modules '((gnu build marionette))
+ #~(begin
+ (use-modules (srfi srfi-11) (srfi srfi-64)
+ (gnu build marionette)
+ (web uri)
+ (web client)
+ (web response))
+
+ (define marionette
+ (make-marionette (list #$vm)))
+
+ (mkdir #$output)
+ (chdir #$output)
+
+ (test-begin "guix-data-service")
+
+ (test-assert "service running"
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (match (start-service 'guix-data-service)
+ (#f #f)
+ (('service response-parts ...)
+ (match (assq-ref response-parts 'running)
+ ((pid) (number? pid))))))
+ marionette))
+
+ (test-assert "process jobs service running"
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (match (start-service 'guix-data-service-process-jobs)
+ (#f #f)
+ (('service response-parts ...)
+ (match (assq-ref response-parts 'running)
+ ((pid) (number? pid))))))
+ marionette))
+
+ (test-equal "http-get"
+ 200
+ (let-values
+ (((response text)
+ (http-get #$(simple-format
+ #f "http://localhost:~A/healthcheck" forwarded-port)
+ #:decode-body? #t)))
+ (response-code response)))
+
+ (test-end)
+ (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
+
+ (gexp->derivation "guix-data-service-test" test))
+
+(define %test-guix-data-service
+ (system-test
+ (name "guix-data-service")
+ (description "Connect to a running Guix Data Service.")
+ (value (run-guix-data-service-test))))