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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
parent1683e4863af430fa85c790dcca600fad538432e8 (diff)
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.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/local.mk2
-rw-r--r--gnu/services/guix.scm212
-rw-r--r--gnu/tests/guix.scm173
3 files changed, 387 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index da5fe09446..23fc317d50 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -535,6 +535,7 @@ GNU_SYSTEM_MODULES = \
%D%/services/authentication.scm \
%D%/services/games.scm \
%D%/services/getmail.scm \
+ %D%/services/guix.scm \
%D%/services/kerberos.scm \
%D%/services/lirc.scm \
%D%/services/virtualization.scm \
@@ -599,6 +600,7 @@ GNU_SYSTEM_MODULES = \
%D%/tests/desktop.scm \
%D%/tests/dict.scm \
%D%/tests/docker.scm \
+ %D%/tests/guix.scm \
%D%/tests/monitoring.scm \
%D%/tests/nfs.scm \
%D%/tests/install.scm \
diff --git a/gnu/services/guix.scm b/gnu/services/guix.scm
new file mode 100644
index 0000000000..0f0fad39b0
--- /dev/null
+++ b/gnu/services/guix.scm
@@ -0,0 +1,212 @@
+;;; 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 services guix)
+ #:use-module (ice-9 match)
+ #:use-module (guix gexp)
+ #:use-module (guix records)
+ #:use-module ((gnu packages base)
+ #:select (glibc-utf8-locales))
+ #:use-module (gnu packages admin)
+ #:use-module (gnu packages web)
+ #:use-module (gnu services)
+ #:use-module (gnu services base)
+ #:use-module (gnu services admin)
+ #:use-module (gnu services shepherd)
+ #:use-module (gnu services getmail)
+ #:use-module (gnu system shadow)
+ #:export (<guix-data-service-configuration>
+ guix-data-service-configuration
+ guix-data-service-configuration?
+ guix-data-service-package
+ guix-data-service-user
+ guix-data-service-group
+ guix-data-service-port
+ guix-data-service-host
+ guix-data-service-getmail-idle-mailboxes
+ guix-data-service-commits-getmail-retriever-configuration
+
+ guix-data-service-type))
+
+;;;; Commentary:
+;;;
+;;; This module implements a service that to run instances of the Guix Data
+;;; Service, which provides data about Guix over time.
+;;;
+;;;; Code:
+
+(define-record-type* <guix-data-service-configuration>
+ guix-data-service-configuration make-guix-data-service-configuration
+ guix-data-service-configuration?
+ (package guix-data-service-package
+ (default guix-data-service))
+ (user guix-data-service-configuration-user
+ (default "guix-data-service"))
+ (group guix-data-service-configuration-group
+ (default "guix-data-service"))
+ (port guix-data-service-port
+ (default 8765))
+ (host guix-data-service-host
+ (default "127.0.0.1"))
+ (getmail-idle-mailboxes
+ guix-data-service-getmail-idle-mailboxes
+ (default #f))
+ (commits-getmail-retriever-configuration
+ guix-data-service-commits-getmail-retriever-configuration
+ (default #f)))
+
+(define (guix-data-service-profile-packages config)
+ "Return the guix-data-service package, this will populate the
+ca-certificates.crt file in the system profile."
+ (list
+ (guix-data-service-package config)))
+
+(define (guix-data-service-shepherd-services config)
+ (match-record config <guix-data-service-configuration>
+ (package user group port host)
+ (list
+ (shepherd-service
+ (documentation "Guix Data Service web server")
+ (provision '(guix-data-service))
+ (requirement '(postgres networking))
+ (start #~(make-forkexec-constructor
+ (list #$(file-append package
+ "/bin/guix-data-service")
+ "--pid-file=/var/run/guix-data-service/pid"
+ #$(string-append "--port=" (number->string port))
+ #$(string-append "--host=" host)
+ ;; Perform any database migrations when the
+ ;; service is started
+ "--update-database")
+
+ #:user #$user
+ #:group #$group
+ #:pid-file "/var/run/guix-data-service/pid"
+ ;; Allow time for migrations to run
+ #:pid-file-timeout 60
+ #:environment-variables
+ `(,(string-append
+ "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
+ "LC_ALL=en_US.utf8")
+ #:log-file "/var/log/guix-data-service/web.log"))
+ (stop #~(make-kill-destructor)))
+
+ (shepherd-service
+ (documentation "Guix Data Service process jobs")
+ (provision '(guix-data-service-process-jobs))
+ (requirement '(postgres
+ networking
+ ;; Require guix-data-service, as that the database
+ ;; migrations are handled through this service
+ guix-data-service))
+ (start #~(make-forkexec-constructor
+ (list
+ #$(file-append package
+ "/bin/guix-data-service-process-jobs"))
+ #:user #$user
+ #:group #$group
+ #:environment-variables
+ `("HOME=/var/lib/guix-data-service"
+ "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt"
+ ,(string-append
+ "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale")
+ "LC_ALL=en_US.utf8")
+ #:log-file "/var/log/guix-data-service/process-jobs.log"))
+ (stop #~(make-kill-destructor))))))
+
+(define (guix-data-service-activation config)
+ #~(begin
+ (use-modules (guix build utils))
+
+ (define %user (getpw "guix-data-service"))
+
+ (chmod "/var/lib/guix-data-service" #o755)
+
+ (mkdir-p "/var/log/guix-data-service")
+
+ ;; Allow writing the PID file
+ (mkdir-p "/var/run/guix-data-service")
+ (chown "/var/run/guix-data-service"
+ (passwd:uid %user)
+ (passwd:gid %user))))
+
+(define (guix-data-service-account config)
+ (match-record config <guix-data-service-configuration>
+ (user group)
+ (list (user-group
+ (name group)
+ (system? #t))
+ (user-account
+ (name user)
+ (group group)
+ (system? #t)
+ (comment "Guix Data Service user")
+ (home-directory "/var/lib/guix-data-service")
+ (shell (file-append shadow "/sbin/nologin"))))))
+
+(define (guix-data-service-getmail-configuration config)
+ (match config
+ (($ <guix-data-service-configuration> package user group
+ port host
+ #f #f)
+ '())
+ (($ <guix-data-service-configuration> package user group
+ port host
+ getmail-idle-mailboxes
+ commits-getmail-retriever-configuration)
+ (list
+ (getmail-configuration
+ (name 'guix-data-service)
+ (user user)
+ (group group)
+ (directory "/var/lib/getmail/guix-data-service")
+ (rcfile
+ (getmail-configuration-file
+ (retriever commits-getmail-retriever-configuration)
+ (destination
+ (getmail-destination-configuration
+ (type "MDA_external")
+ (path (file-append
+ package
+ "/bin/guix-data-service-process-branch-updated-email"))))
+ (options
+ (getmail-options-configuration
+ (read-all #f)
+ (delivered-to #f)
+ (received #f)))))
+ (idle getmail-idle-mailboxes))))))
+
+(define guix-data-service-type
+ (service-type
+ (name 'guix-data-service)
+ (extensions
+ (list
+ (service-extension profile-service-type
+ guix-data-service-profile-packages)
+ (service-extension shepherd-root-service-type
+ guix-data-service-shepherd-services)
+ (service-extension activation-service-type
+ guix-data-service-activation)
+ (service-extension account-service-type
+ guix-data-service-account)
+ (service-extension getmail-service-type
+ guix-data-service-getmail-configuration)))
+ (default-value
+ (guix-data-service-configuration))
+ (description
+ "Run an instance of the Guix Data Service.")))
diff --git a/gnu/tests/guix.scm b/gnu/tests/guix.scm
new file mode 100644
index 0000000000..6139e31cf0
--- /dev/null
+++ b/gnu/tests/guix.scm
@@ -0,0 +1,173 @@
+;;; 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))))