gnu: plantuml: Update to 1.2020.16.
[jackhill/guix/guix.git] / gnu / services / web.scm
index 16e77f8..c8ffc19 100644 (file)
@@ -1,13 +1,18 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2016 Nils Gillmann <ng0@n0.is>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016 Nikita <nikita@n0.is>
 ;;; Copyright © 2016, 2017, 2018 Julien Lepiller <julien@lepiller.eu>
 ;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
 ;;; Copyright © 2017 nee <nee-git@hidamari.blue>
 ;;; Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
-;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
+;;; Copyright © 2017, 2018, 2019 Christopher Baines <mail@cbaines.net>
+;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2019, 2020 Florian Pelz <pelzflorian@pelzflorian.de>
+;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
 (define-module (gnu services web)
   #:use-module (gnu services)
   #:use-module (gnu services shepherd)
+  #:use-module (gnu services admin)
+  #:use-module (gnu services getmail)
+  #:use-module (gnu services mail)
   #:use-module (gnu system pam)
   #:use-module (gnu system shadow)
   #:use-module (gnu packages admin)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages databases)
   #:use-module (gnu packages web)
+  #:use-module (gnu packages patchutils)
   #:use-module (gnu packages php)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages gnupg)
   #:use-module (gnu packages guile)
   #:use-module (gnu packages logging)
+  #:use-module (gnu packages mail)
+  #:use-module (guix packages)
   #:use-module (guix records)
   #:use-module (guix modules)
+  #:use-module (guix utils)
   #:use-module (guix gexp)
   #:use-module ((guix store) #:select (text-file))
   #:use-module ((guix utils) #:select (version-major))
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-9)
   #:use-module (ice-9 match)
-  #:export (<httpd-configuration>
-            httpd-configuration
+  #:use-module (ice-9 format)
+  #:export (httpd-configuration
             httpd-configuration?
             httpd-configuration-package
             httpd-configuration-pid-file
             httpd-configuration-config
 
-            <httpd-virtualhost>
             httpd-virtualhost
             httpd-virtualhost?
             httpd-virtualhost-addresses-and-ports
             httpd-virtualhost-contents
 
-            <httpd-config-file>
             httpd-config-file
             httpd-config-file?
             httpd-config-file-modules
             httpd-config-file-user
             httpd-config-file-group
 
+            httpd-module
+            httpd-module?
+            %default-httpd-modules
+
             httpd-service-type
 
-            <nginx-configuration>
             nginx-configuration
             nginx-configuration?
             nginx-configuartion-nginx
             nginx-configuration-upstream-blocks
             nginx-configuration-server-names-hash-bucket-size
             nginx-configuration-server-names-hash-bucket-max-size
+            nginx-configuration-modules
+            nginx-configuration-global-directives
             nginx-configuration-extra-content
             nginx-configuration-file
 
-            <nginx-server-configuration>
             nginx-server-configuration
             nginx-server-configuration?
             nginx-server-configuration-listen
             nginx-server-configuration-server-tokens?
             nginx-server-configuration-raw-content
 
-            <nginx-upstream-configuration>
             nginx-upstream-configuration
             nginx-upstream-configuration?
             nginx-upstream-configuration-name
             nginx-upstream-configuration-servers
 
-            <nginx-location-configuration>
             nginx-location-configuration
             nginx-location-configuration?
             nginx-location-configuration-uri
             nginx-location-configuration-body
 
-            <nginx-named-location-configuration>
             nginx-named-location-configuration
             nginx-named-location-configuration?
             nginx-named-location-configuration-name
             fcgiwrap-configuration?
             fcgiwrap-service-type
 
-            <php-fpm-configuration>
             php-fpm-configuration
             make-php-fpm-configuration
             php-fpm-configuration?
             php-fpm-configuration-log-file
             php-fpm-configuration-process-manager
             php-fpm-configuration-display-errors
+            php-fpm-configuration-timezone
             php-fpm-configuration-workers-log-file
             php-fpm-configuration-file
+            php-fpm-configuration-php-ini-file
 
-            <php-fpm-dynamic-process-manager-configuration>
             php-fpm-dynamic-process-manager-configuration
             make-php-fpm-dynamic-process-manager-configuration
             php-fpm-dynamic-process-manager-configuration?
             php-fpm-dynamic-process-manager-configuration-min-spare-servers
             php-fpm-dynamic-process-manager-configuration-max-spare-servers
 
-            <php-fpm-static-process-manager-configuration>
             php-fpm-static-process-manager-configuration
             make-php-fpm-static-process-manager-configuration
             php-fpm-static-process-manager-configuration?
             php-fpm-static-process-manager-configuration-max-children
 
-            <php-fpm-on-demand-process-manager-configuration>
             php-fpm-on-demand-process-manager-configuration
             make-php-fpm-on-demand-process-manager-configuration
             php-fpm-on-demand-process-manager-configuration?
             hpcguix-web-configuration?
             hpcguix-web-service-type
 
-            <tailon-configuration-file>
             tailon-configuration-file
             tailon-configuration-file?
             tailon-configuration-file-files
             tailon-configuration-file-http-auth
             tailon-configuration-file-users
 
-            <tailon-configuration>
             tailon-configuration
             tailon-configuration?
             tailon-configuration-config-file
             tailon-configuration-package
 
-            tailon-service-type))
+            tailon-service-type
+
+            varnish-configuration
+            varnish-configuration?
+            varnish-configuration-package
+            varnish-configuration-name
+            varnish-configuration-backend
+            varnish-configuration-vcl
+            varnish-configuration-listen
+            varnish-configuration-storage
+            varnish-configuration-parameters
+            varnish-configuration-extra-options
+
+            varnish-service-type
+
+            patchwork-database-configuration
+            patchwork-database-configuration?
+            patchwork-database-configuration-engine
+            patchwork-database-configuration-name
+            patchwork-database-configuration-user
+            patchwork-database-configuration-password
+            patchwork-database-configuration-host
+            patchwork-database-configuration-port
+
+            patchwork-settings-module
+            patchwork-settings-module?
+            patchwork-settings-module-database-configuration
+            patchwork-settings-module-secret-key
+            patchwork-settings-module-allowed-hosts
+            patchwork-settings-module-default-from-email
+            patchwork-settings-module-static-url
+            patchwork-settings-module-admins
+            patchwork-settings-module-debug?
+            patchwork-settings-module-enable-rest-api?
+            patchwork-settings-module-enable-xmlrpc?
+            patchwork-settings-module-force-https-links?
+            patchwork-settings-module-extra-settings
+
+            patchwork-configuration
+            patchwork-configuration?
+            patchwork-configuration-patchwork
+            patchwork-configuration-settings-module
+            patchwork-configuration-domain
+
+            patchwork-virtualhost
+            patchwork-service-type
+
+            mumi-configuration
+            mumi-configuration?
+            mumi-configuration-mumi
+            mumi-configuration-mailer?
+            mumi-configuration-sender
+            mumi-configuration-smtp
+
+            mumi-service-type))
 
 ;;; Commentary:
 ;;;
                            addresses-and-ports
                            contents)
                         `(,(string-append
-                            "<VirtualHost " addresses-and-ports ">\n")
+                            "\n<VirtualHost " addresses-and-ports ">\n")
                           ,@contents
                           "\n</VirtualHost>\n"))
                        ((? string? x)
                                  (default #f))
   (server-names-hash-bucket-max-size nginx-configuration-server-names-hash-bucket-max-size
                                      (default #f))
+  (modules nginx-configuration-modules (default '()))
+  (global-directives nginx-configuration-global-directives
+                     (default '((events . ()))))
   (extra-content nginx-configuration-extra-content
                  (default ""))
   (file          nginx-configuration-file         ;#f | string | file-like
@@ -477,6 +545,16 @@ of index files."
         ((? string? str) (list str " ")))
       names))
 
+(define (emit-load-module module)
+  (list "load_module " module ";\n"))
+
+(define emit-global-directive
+  (match-lambda
+    ((key . (? list? alist))
+     (format #f "~a { ~{~a~}}~%" key (map emit-global-directive alist)))
+    ((key . value)
+     (format #f "~a ~a;~%" key value))))
+
 (define emit-nginx-location-config
   (match-lambda
     (($ <nginx-location-configuration> uri body)
@@ -550,12 +628,16 @@ of index files."
                  server-blocks upstream-blocks
                  server-names-hash-bucket-size
                  server-names-hash-bucket-max-size
+                 modules
+                 global-directives
                  extra-content)
    (apply mixed-text-file "nginx.conf"
           (flatten
            "user nginx nginx;\n"
            "pid " run-directory "/pid;\n"
            "error_log " log-directory "/error.log info;\n"
+           (map emit-load-module modules)
+           (map emit-global-directive global-directives)
            "http {\n"
            "    client_body_temp_path " run-directory "/client_body_temp;\n"
            "    proxy_temp_path " run-directory "/proxy_temp;\n"
@@ -580,8 +662,7 @@ of index files."
            (map emit-nginx-upstream-config upstream-blocks)
            (map emit-nginx-server-config server-blocks)
            extra-content
-           "\n}\n"
-           "events {}\n"))))
+           "\n}\n"))))
 
 (define %nginx-accounts
   (list (user-group (name "nginx") (system? #t))
@@ -617,7 +698,8 @@ of index files."
        (system* (string-append #$nginx "/sbin/nginx")
                 "-c" #$(or file
                            (default-nginx-config config))
-                  "-t"))))
+                "-p" #$run-directory
+                "-t"))))
 
 (define (nginx-shepherd-service config)
   (match-record config
@@ -668,8 +750,8 @@ of index files."
                             (server-blocks
                               (append (nginx-configuration-server-blocks config)
                               servers)))))
-                (default-value
-                  (nginx-configuration))))
+                (default-value (nginx-configuration))
+                (description "Run the nginx Web server.")))
 
 (define-record-type* <fcgiwrap-configuration> fcgiwrap-configuration
   make-fcgiwrap-configuration
@@ -714,13 +796,29 @@ of index files."
                      #:user #$user #:group #$group))
             (stop #~(make-kill-destructor)))))))
 
+(define fcgiwrap-activation
+  (match-lambda
+    (($ <fcgiwrap-configuration> package socket user group)
+     #~(begin
+         ;; When listening on a unix socket, create a parent directory for the
+         ;; socket with the correct permissions.
+         (when (string-prefix? "unix:" #$socket)
+           (let ((run-directory
+                  (dirname (substring #$socket (string-length "unix:")))))
+             (mkdir-p run-directory)
+             (chown run-directory
+                    (passwd:uid (getpw #$user))
+                    (group:gid (getgr #$group)))))))))
+
 (define fcgiwrap-service-type
   (service-type (name 'fcgiwrap)
                 (extensions
                  (list (service-extension shepherd-root-service-type
                                           fcgiwrap-shepherd-service)
                       (service-extension account-service-type
-                                          fcgiwrap-accounts)))
+                                          fcgiwrap-accounts)
+                       (service-extension activation-service-type
+                                          fcgiwrap-activation)))
                 (default-value (fcgiwrap-configuration))))
 
 (define-record-type* <php-fpm-configuration> php-fpm-configuration
@@ -752,11 +850,15 @@ of index files."
                     (default (php-fpm-dynamic-process-manager-configuration)))
   (display-errors   php-fpm-configuration-display-errors
                     (default #f))
+  (timezone         php-fpm-configuration-timezone
+                    (default #f))
   (workers-log-file php-fpm-configuration-workers-log-file
                     (default (string-append "/var/log/php"
                                             (version-major (package-version php))
                                             "-fpm.www.log")))
   (file             php-fpm-configuration-file ;#f | file-like
+                    (default #f))
+  (php-ini-file     php-fpm-configuration-php-ini-file ;#f | file-like
                     (default #f)))
 
 (define-record-type* <php-fpm-dynamic-process-manager-configuration>
@@ -806,7 +908,7 @@ of index files."
        (shell (file-append shadow "/sbin/nologin")))))))
 
 (define (default-php-fpm-config socket user group socket-user socket-group
-          pid-file log-file pm display-errors workers-log-file)
+          pid-file log-file pm display-errors timezone workers-log-file)
   (apply mixed-text-file "php-fpm.conf"
          (flatten
           "[global]\n"
@@ -819,6 +921,10 @@ of index files."
           "listen.owner =" socket-user "\n"
           "listen.group =" socket-group "\n"
 
+          (if timezone
+              (string-append "php_admin_value[date.timezone] = \"" timezone "\"\n")
+              "")
+
           (match pm
             (($ <php-fpm-dynamic-process-manager-configuration>
                 pm.max-children
@@ -858,7 +964,8 @@ of index files."
 (define php-fpm-shepherd-service
   (match-lambda
     (($ <php-fpm-configuration> php socket user group socket-user socket-group
-                                pid-file log-file pm display-errors workers-log-file file)
+                                pid-file log-file pm display-errors
+                                timezone workers-log-file file php-ini-file)
      (list (shepherd-service
             (provision '(php-fpm))
             (documentation "Run the php-fpm daemon.")
@@ -869,27 +976,30 @@ of index files."
                         #$(or file
                               (default-php-fpm-config socket user group
                                 socket-user socket-group pid-file log-file
-                                pm display-errors workers-log-file)))
+                                pm display-errors timezone workers-log-file))
+                        #$@(if php-ini-file
+                               `("-c" ,php-ini-file)
+                               '()))
                       #:pid-file #$pid-file))
             (stop #~(make-kill-destructor)))))))
 
-(define php-fpm-activation
-  (match-lambda
-    (($ <php-fpm-configuration> _ _ user _ _ _ _ log-file _ _ workers-log-file _)
-     #~(begin
-         (use-modules (guix build utils))
-         (let* ((user (getpwnam #$user))
-                (touch (lambda (file-name)
-                         (call-with-output-file file-name (const #t))))
-                (init-log-file
-                 (lambda (file-name)
-                   (when #$workers-log-file
-                     (when (not (file-exists? file-name))
-                       (touch file-name))
-                     (chown file-name (passwd:uid user) (passwd:gid user))
-                     (chmod file-name #o660)))))
-           (init-log-file #$log-file)
-           (init-log-file #$workers-log-file))))))
+(define (php-fpm-activation config)
+  #~(begin
+      (use-modules (guix build utils))
+      (let* ((user (getpwnam #$(php-fpm-configuration-user config)))
+             (touch (lambda (file-name)
+                      (call-with-output-file file-name (const #t))))
+             (workers-log-file
+              #$(php-fpm-configuration-workers-log-file config))
+             (init-log-file
+              (lambda (file-name)
+                (when workers-log-file
+                  (when (not (file-exists? file-name))
+                    (touch file-name))
+                  (chown file-name (passwd:uid user) (passwd:gid user))
+                  (chmod file-name #o660)))))
+        (init-log-file #$(php-fpm-configuration-log-file config))
+        (init-log-file workers-log-file))))
 
 
 (define php-fpm-service-type
@@ -966,13 +1076,32 @@ a webserver.")
          (shell (file-append shadow "/sbin/nologin")))))
 
 (define %hpcguix-web-activation
-  #~(begin
-      (use-modules (guix build utils))
-      (let ((home-dir "/var/cache/guix/web")
-            (user (getpwnam "hpcguix-web")))
-        (mkdir-p home-dir)
-        (chown home-dir (passwd:uid user) (passwd:gid user))
-        (chmod home-dir #o755))))
+  (with-imported-modules '((guix build utils))
+    #~(begin
+        (use-modules (guix build utils)
+                     (ice-9 ftw))
+
+        (let ((home-dir "/var/cache/guix/web")
+              (user (getpwnam "hpcguix-web")))
+          (mkdir-p home-dir)
+          (chown home-dir (passwd:uid user) (passwd:gid user))
+          (chmod home-dir #o755)
+
+          ;; Remove stale 'packages.json.lock' file (and other lock files, if
+          ;; any) since that would prevent 'packages.json' from being updated.
+          (for-each (lambda (lock)
+                      (delete-file (string-append home-dir "/" lock)))
+                    (scandir home-dir
+                             (lambda (file)
+                               (string-suffix? ".lock" file))))))))
+
+(define %hpcguix-web-log-file
+  "/var/log/hpcguix-web.log")
+
+(define %hpcguix-web-log-rotations
+  (list (log-rotation
+         (files (list %hpcguix-web-log-file))
+         (frequency 'weekly))))
 
 (define (hpcguix-web-shepherd-service config)
   (let ((specs       (hpcguix-web-configuration-specs config))
@@ -991,7 +1120,8 @@ a webserver.")
                  #:group "hpcguix-web"
                  #:environment-variables
                  (list "XDG_CACHE_HOME=/var/cache"
-                       "SSL_CERT_DIR=/etc/ssl/certs")))
+                       "SSL_CERT_DIR=/etc/ssl/certs")
+                 #:log-file #$%hpcguix-web-log-file))
        (stop #~(make-kill-destructor))))))
 
 (define hpcguix-web-service-type
@@ -1003,6 +1133,8 @@ a webserver.")
                              (const %hpcguix-web-accounts))
           (service-extension activation-service-type
                              (const %hpcguix-web-activation))
+          (service-extension rottlog-service-type
+                             (const %hpcguix-web-log-rotations))
           (service-extension shepherd-root-service-type
                              (compose list hpcguix-web-shepherd-service))))))
 
@@ -1150,3 +1282,504 @@ files.")
                   (files (append (tailon-configuration-file-files old-config-file)
                                  files))))))))
    (default-value (tailon-configuration))))
+
+\f
+;;;
+;;; Varnish
+;;;
+
+(define-record-type* <varnish-configuration>
+  varnish-configuration make-varnish-configuration
+  varnish-configuration?
+  (package             varnish-configuration-package          ;<package>
+                       (default varnish))
+  (name                varnish-configuration-name             ;string
+                       (default "default"))
+  (backend             varnish-configuration-backend          ;string
+                       (default "localhost:8080"))
+  (vcl                 varnish-configuration-vcl              ;#f | <file-like>
+                       (default #f))
+  (listen              varnish-configuration-listen           ;list of strings
+                       (default '("localhost:80")))
+  (storage             varnish-configuration-storage          ;list of strings
+                       (default '("malloc,128m")))
+  (parameters          varnish-configuration-parameters       ;list of string pairs
+                       (default '()))
+  (extra-options       varnish-configuration-extra-options    ;list of strings
+                       (default '())))
+
+(define %varnish-accounts
+  (list (user-group
+         (name "varnish")
+         (system? #t))
+        (user-account
+         (name "varnish")
+         (group "varnish")
+         (system? #t)
+         (comment "Varnish Cache User")
+         (home-directory "/var/varnish")
+         (shell (file-append shadow "/sbin/nologin")))))
+
+(define varnish-shepherd-service
+  (match-lambda
+    (($ <varnish-configuration> package name backend vcl listen storage
+                                parameters extra-options)
+     (list (shepherd-service
+            (provision (list (symbol-append 'varnish- (string->symbol name))))
+            (documentation (string-append "The Varnish Web Accelerator"
+                                          " (" name ")"))
+            (requirement '(networking))
+            (start #~(make-forkexec-constructor
+                      (list #$(file-append package "/sbin/varnishd")
+                            "-n" #$name
+                            #$@(if vcl
+                                   #~("-f" #$vcl)
+                                   #~("-b" #$backend))
+                            #$@(append-map (lambda (a) (list "-a" a)) listen)
+                            #$@(append-map (lambda (s) (list "-s" s)) storage)
+                            #$@(append-map (lambda (p)
+                                             (list "-p" (format #f "~a=~a"
+                                                                (car p) (cdr p))))
+                                           parameters)
+                            #$@extra-options)
+                      ;; Varnish will drop privileges to the "varnish" user when
+                      ;; it exists.  Not passing #:user here allows the service
+                      ;; to bind to ports < 1024.
+                      #:pid-file (if (string-prefix? "/" #$name)
+                                     (string-append #$name "/_.pid")
+                                     (string-append "/var/varnish/" #$name "/_.pid"))))
+            (stop #~(make-kill-destructor)))))))
+
+(define varnish-service-type
+  (service-type
+   (name 'varnish)
+   (description "Run the Varnish cache server.")
+   (extensions
+    (list (service-extension account-service-type
+                             (const %varnish-accounts))
+          (service-extension shepherd-root-service-type
+                             varnish-shepherd-service)))
+   (default-value
+     (varnish-configuration))))
+
+\f
+;;;
+;;; Patchwork
+;;;
+
+(define-record-type* <patchwork-database-configuration>
+  patchwork-database-configuration make-patchwork-database-configuration
+  patchwork-database-configuration?
+  (engine          patchwork-database-configuration-engine
+                   (default "django.db.backends.postgresql_psycopg2"))
+  (name            patchwork-database-configuration-name
+                   (default "patchwork"))
+  (user            patchwork-database-configuration-user
+                   (default "httpd"))
+  (password        patchwork-database-configuration-password
+                   (default ""))
+  (host            patchwork-database-configuration-host
+                   (default ""))
+  (port            patchwork-database-configuration-port
+                   (default "")))
+
+(define-record-type* <patchwork-settings-module>
+  patchwork-settings-module make-patchwork-settings-module
+  patchwork-settings-module?
+  (database-configuration    patchwork-settings-module-database-configuration
+                             (default (patchwork-database-configuration)))
+  (secret-key-file           patchwork-settings-module-secret-key-file
+                             (default "/etc/patchwork/django-secret-key"))
+  (allowed-hosts             patchwork-settings-module-allowed-hosts)
+  (default-from-email        patchwork-settings-module-default-from-email)
+  (static-url                patchwork-settings-module-static-url
+                             (default "/static/"))
+  (admins                    patchwork-settings-module-admins
+                             (default '()))
+  (debug?                    patchwork-settings-module-debug?
+                             (default #f))
+  (enable-rest-api?          patchwork-settings-module-enable-rest-api?
+                             (default #t))
+  (enable-xmlrpc?            patchwork-settings-module-enable-xmlrpc?
+                             (default #t))
+  (force-https-links?        patchwork-settings-module-force-https-links?
+                             (default #t))
+  (extra-settings            patchwork-settings-module-extra-settings
+                             (default "")))
+
+(define-record-type* <patchwork-configuration>
+  patchwork-configuration make-patchwork-configuration
+  patchwork-configuration?
+  (patchwork                patchwork-configuration-patchwork
+                            (default patchwork))
+  (domain                   patchwork-configuration-domain)
+  (settings-module          patchwork-configuration-settings-module)
+  (static-path              patchwork-configuration-static-url
+                            (default "/static/"))
+  (getmail-retriever-config getmail-retriever-config))
+
+;; Django uses a Python module for configuration, so this compiler generates a
+;; Python module from the configuration record.
+(define-gexp-compiler (patchwork-settings-module-compiler
+                       (file <patchwork-settings-module>) system target)
+  (match file
+    (($ <patchwork-settings-module> database-configuration secret-key-file
+                                    allowed-hosts default-from-email
+                                    static-url admins debug? enable-rest-api?
+                                    enable-xmlrpc? force-https-links?
+                                    extra-configuration)
+     (gexp->derivation
+      "patchwork-settings"
+      (with-imported-modules '((guix build utils))
+        #~(let ((output #$output))
+            (define (create-__init__.py filename)
+              (call-with-output-file filename
+                (lambda (port) (display "" port))))
+
+            (use-modules (guix build utils)
+                         (srfi srfi-1))
+
+            (mkdir-p (string-append output "/guix/patchwork"))
+            (create-__init__.py
+             (string-append output "/guix/__init__.py"))
+            (create-__init__.py
+             (string-append output "/guix/patchwork/__init__.py"))
+
+            (call-with-output-file
+                (string-append output "/guix/patchwork/settings.py")
+              (lambda (port)
+                (display
+                 (string-append "from patchwork.settings.base import *
+
+# Configuration from Guix
+with open('" #$secret-key-file "') as f:
+    SECRET_KEY = f.read().strip()
+
+ALLOWED_HOSTS = [
+" #$(string-concatenate
+     (map (lambda (allowed-host)
+            (string-append "  '" allowed-host "'\n"))
+          allowed-hosts))
+"]
+
+DEFAULT_FROM_EMAIL = '" #$default-from-email "'
+SERVER_EMAIL = DEFAULT_FROM_EMAIL
+NOTIFICATION_FROM_EMAIL = DEFAULT_FROM_EMAIL
+
+ADMINS = [
+" #$(string-concatenate
+     (map (match-lambda
+            ((name email-address)
+             (string-append
+              "('" name "','" email-address "'),")))
+          admins))
+"]
+
+DEBUG = " #$(if debug? "True" "False") "
+
+ENABLE_REST_API = " #$(if enable-rest-api? "True" "False") "
+ENABLE_XMLRPC = " #$(if enable-xmlrpc? "True" "False") "
+
+FORCE_HTTPS_LINKS = " #$(if force-https-links? "True" "False") "
+
+DATABASES = {
+    'default': {
+" #$(match database-configuration
+      (($ <patchwork-database-configuration>
+          engine name user password host port)
+       (string-append
+        "        'ENGINE': '" engine "',\n"
+        "        'NAME': '" name "',\n"
+        "        'USER': '" user "',\n"
+        "        'PASSWORD': '" password "',\n"
+        "        'HOST': '" host "',\n"
+        "        'PORT': '" port "',\n"))) "
+    },
+}
+
+" #$(if debug?
+        #~(string-append "STATIC_ROOT = '"
+                         #$(file-append patchwork "/share/patchwork/htdocs")
+                         "'")
+        #~(string-append "STATIC_URL = '" #$static-url "'")) "
+
+STATICFILES_STORAGE = (
+  'django.contrib.staticfiles.storage.StaticFilesStorage'
+)
+
+# Guix Extra Configuration
+" #$extra-configuration "
+") port)))
+            #t))
+      #:local-build? #t))))
+
+(define patchwork-virtualhost
+  (match-lambda
+    (($ <patchwork-configuration> patchwork domain
+                                  settings-module static-path
+                                  getmail-retriever-config)
+     (define wsgi.py
+       (file-append patchwork
+                    (string-append
+                     "/lib/python"
+                     (version-major+minor
+                      (package-version python))
+                     "/site-packages/patchwork/wsgi.py")))
+
+     (httpd-virtualhost
+      "*:8080"
+      `("ServerAdmin admin@example.com`
+ServerName " ,domain "
+
+LogFormat \"%v %h %l %u %t \\\"%r\\\" %>s %b \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\"\" customformat
+LogLevel info
+CustomLog \"/var/log/httpd/" ,domain "-access_log\" customformat
+
+ErrorLog /var/log/httpd/error.log
+
+WSGIScriptAlias / " ,wsgi.py "
+WSGIDaemonProcess " ,(package-name patchwork) " user=httpd group=httpd processes=1 threads=2 display-name=%{GROUP} lang='en_US.UTF-8' locale='en_US.UTF-8' python-path=" ,settings-module "
+WSGIProcessGroup " ,(package-name patchwork) "
+WSGIPassAuthorization On
+
+<Files " ,wsgi.py ">
+  Require all granted
+</Files>
+
+" ,@(if static-path
+        `("Alias " ,static-path " " ,patchwork "/share/patchwork/htdocs/")
+        '())
+"
+<Directory \"/srv/http/" ,domain "/\">
+    AllowOverride None
+    Options MultiViews Indexes SymlinksIfOwnerMatch IncludesNoExec
+    Require method GET POST OPTIONS
+</Directory>")))))
+
+(define (patchwork-httpd-configuration patchwork-configuration)
+  (list "WSGISocketPrefix /var/run/mod_wsgi"
+        (list "LoadModule wsgi_module "
+              (file-append mod-wsgi "/modules/mod_wsgi.so"))
+        (patchwork-virtualhost patchwork-configuration)))
+
+(define (patchwork-django-admin-gexp patchwork settings-module)
+  #~(lambda command
+      (let ((pid (primitive-fork))
+            (user (getpwnam "httpd")))
+        (if (eq? pid 0)
+            (dynamic-wind
+              (const #t)
+              (lambda ()
+                (setgid (passwd:gid user))
+                (setuid (passwd:uid user))
+
+                (setenv "DJANGO_SETTINGS_MODULE" "guix.patchwork.settings")
+                (setenv "PYTHONPATH" #$settings-module)
+                (primitive-exit
+                 (if (zero?
+                      (apply system*
+                             #$(file-append patchwork "/bin/patchwork-admin")
+                             command))
+                     0
+                     1)))
+              (lambda ()
+                (primitive-exit 1)))
+            (zero? (cdr (waitpid pid)))))))
+
+(define (patchwork-django-admin-action patchwork settings-module)
+  (shepherd-action
+   (name 'django-admin)
+   (documentation
+    "Run a django admin command for patchwork")
+   (procedure (patchwork-django-admin-gexp patchwork settings-module))))
+
+(define patchwork-shepherd-services
+  (match-lambda
+    (($ <patchwork-configuration> patchwork domain
+                                  settings-module static-path
+                                  getmail-retriever-config)
+     (define secret-key-file-creation-gexp
+       (if (patchwork-settings-module? settings-module)
+           (with-extensions (list guile-gcrypt)
+             #~(let ((secret-key-file
+                      #$(patchwork-settings-module-secret-key-file
+                         settings-module)))
+                 (use-modules (guix build utils)
+                              (gcrypt random))
+
+                 (unless (file-exists? secret-key-file)
+                   (mkdir-p (dirname secret-key-file))
+                   (call-with-output-file secret-key-file
+                     (lambda (port)
+                       (display (random-token 30 'very-strong) port)))
+                   (let* ((pw  (getpwnam "httpd"))
+                          (uid (passwd:uid pw))
+                          (gid (passwd:gid pw)))
+                     (chown secret-key-file uid gid)
+                     (chmod secret-key-file #o400)))))
+           #~()))
+
+     (list (shepherd-service
+            (requirement '(postgres))
+            (provision (list (string->symbol
+                              (string-append (package-name patchwork)
+                                             "-setup"))))
+            (start
+               #~(lambda ()
+                   (define run-django-admin-command
+                     #$(patchwork-django-admin-gexp patchwork
+                                                    settings-module))
+
+                   #$secret-key-file-creation-gexp
+
+                   (run-django-admin-command "migrate")))
+            (stop #~(const #f))
+            (actions
+             (list (patchwork-django-admin-action patchwork
+                                                  settings-module)))
+            (respawn? #f)
+            (documentation "Setup Patchwork."))))))
+
+(define patchwork-getmail-configs
+  (match-lambda
+    (($ <patchwork-configuration> patchwork domain
+                                  settings-module static-path
+                                  getmail-retriever-config)
+     (list
+      (getmail-configuration
+       (name (string->symbol (package-name patchwork)))
+       (user "httpd")
+       (directory (string-append
+                   "/var/lib/getmail/" (package-name patchwork)))
+       (rcfile
+        (getmail-configuration-file
+         (retriever getmail-retriever-config)
+         (destination
+          (getmail-destination-configuration
+           (type "MDA_external")
+           (path (file-append patchwork "/bin/patchwork-admin"))
+           (extra-parameters
+            '((arguments . ("parsemail"))))))
+         (options
+          (getmail-options-configuration
+           (read-all #f)
+           (delivered-to #f)
+           (received #f)))))
+       (idle (assq-ref
+              (getmail-retriever-configuration-extra-parameters
+               getmail-retriever-config)
+              'mailboxes))
+       (environment-variables
+        (list "DJANGO_SETTINGS_MODULE=guix.patchwork.settings"
+              #~(string-append "PYTHONPATH=" #$settings-module))))))))
+
+(define patchwork-service-type
+  (service-type
+   (name 'patchwork-setup)
+   (extensions
+    (list (service-extension httpd-service-type
+                             patchwork-httpd-configuration)
+          (service-extension shepherd-root-service-type
+                             patchwork-shepherd-services)
+          (service-extension getmail-service-type
+                             patchwork-getmail-configs)))
+   (description
+    "Patchwork patch tracking system.")))
+
+\f
+;;;
+;;; Mumi.
+;;;
+
+(define-record-type* <mumi-configuration>
+  mumi-configuration make-mumi-configuration
+  mumi-configuration?
+  (mumi    mumi-configuration-mumi (default mumi))
+  (mailer? mumi-configuration-mailer? (default #t))
+  (sender  mumi-configuration-sender (default #f))
+  (smtp    mumi-configuration-smtp (default #f)))
+
+(define %mumi-activation
+  (with-imported-modules '((guix build utils))
+    #~(begin
+        (use-modules (guix build utils))
+
+        (mkdir-p "/var/mumi/db")
+        (mkdir-p "/var/mumi/mails")
+        (let* ((pw  (getpwnam "mumi"))
+               (uid (passwd:uid pw))
+               (gid (passwd:gid pw)))
+          (chown "/var/mumi" uid gid)
+          (chown "/var/mumi/mails" uid gid)
+          (chown "/var/mumi/db" uid gid)))))
+
+(define %mumi-accounts
+  (list (user-group (name "mumi") (system? #t))
+        (user-account
+         (name "mumi")
+         (group "mumi")
+         (system? #t)
+         (comment "Mumi web server")
+         (home-directory "/var/empty")
+         (shell (file-append shadow "/sbin/nologin")))))
+
+(define (mumi-shepherd-services config)
+  (define environment
+    #~(list "LC_ALL=en_US.utf8"
+            (string-append "GUIX_LOCPATH=" #$glibc-utf8-locales
+                           "/lib/locale")))
+
+  (match config
+    (($ <mumi-configuration> mumi mailer? sender smtp)
+     (list (shepherd-service
+            (provision '(mumi))
+            (documentation "Mumi bug-tracking web interface.")
+            (requirement '(networking))
+            (start #~(make-forkexec-constructor
+                      `(#$(file-append mumi "/bin/mumi") "web"
+                        ,@(if #$mailer? '() '("--disable-mailer")))
+                      #:environment-variables #$environment
+                      #:user "mumi" #:group "mumi"
+                      #:log-file "/var/log/mumi.log"))
+            (stop #~(make-kill-destructor)))
+           (shepherd-service
+            (provision '(mumi-worker))
+            (documentation "Mumi bug-tracking web interface database worker.")
+            (requirement '(networking))
+            (start #~(make-forkexec-constructor
+                      '(#$(file-append mumi "/bin/mumi") "worker")
+                      #:environment-variables #$environment
+                      #:user "mumi" #:group "mumi"
+                      #:log-file "/var/log/mumi.worker.log"))
+            (stop #~(make-kill-destructor)))
+           (shepherd-service
+            (provision '(mumi-mailer))
+            (documentation "Mumi bug-tracking web interface mailer.")
+            (requirement '(networking))
+            (start #~(make-forkexec-constructor
+                      `(#$(file-append mumi "/bin/mumi") "mailer"
+                        ,@(if #$sender
+                              (list (string-append "--sender=" #$sender))
+                              '())
+                        ,@(if #$smtp
+                              (list (string-append "--smtp=" #$smtp))
+                              '()))
+                      #:environment-variables #$environment
+                      #:user "mumi" #:group "mumi"
+                      #:log-file "/var/log/mumi.mailer.log"))
+            (stop #~(make-kill-destructor)))))))
+
+(define mumi-service-type
+  (service-type
+   (name 'mumi)
+   (extensions
+    (list (service-extension activation-service-type
+                             (const %mumi-activation))
+          (service-extension account-service-type
+                             (const %mumi-accounts))
+          (service-extension shepherd-root-service-type
+                             mumi-shepherd-services)))
+   (description
+    "Run Mumi, a Web interface to the Debbugs bug-tracking server.")
+   (default-value
+     (mumi-configuration))))