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guix/gnu/services/web.scm
Julien Lepiller 08da664d10
gnu: Add cat-avatar-generator-service.
* gnu/services/web.scm (cat-avatar-generator-service): New variable.
* doc/guix.text (Web Services): Document it.
2018-02-14 23:18:41 +01:00

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;;; 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 ng0 <ng0@we.make.ritual.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 Clément Lassieur <clement@lassieur.org>
;;;
;;; 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 web)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu system shadow)
#:use-module (gnu packages admin)
#:use-module (gnu packages web)
#:use-module (gnu packages php)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module ((guix utils) #:select (version-major))
#:use-module ((guix packages) #:select (package-version))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (ice-9 match)
#:export (<httpd-configuration>
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-server-root
httpd-config-file-server-name
httpd-config-file-listen
httpd-config-file-pid-file
httpd-config-file-error-log
httpd-config-file-user
httpd-config-file-group
httpd-service-type
<nginx-configuration>
nginx-configuration
nginx-configuration?
nginx-configuartion-nginx
nginx-configuration-log-directory
nginx-configuration-run-directory
nginx-configuration-server-blocks
nginx-configuration-upstream-blocks
nginx-configuration-server-names-hash-bucket-size
nginx-configuration-server-names-hash-bucket-max-size
nginx-configuration-file
<nginx-server-configuration>
nginx-server-configuration
nginx-server-configuration?
nginx-server-configuration-listen
nginx-server-configuration-server-name
nginx-server-configuration-root
nginx-server-configuration-locations
nginx-server-configuration-index
nginx-server-configuration-ssl-certificate
nginx-server-configuration-ssl-certificate-key
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
nginx-named-location-configuration-body
nginx-service
nginx-service-type
fcgiwrap-configuration
fcgiwrap-configuration?
fcgiwrap-service-type
<php-fpm-configuration>
php-fpm-configuration
make-php-fpm-configuration
php-fpm-configuration?
php-fpm-configuration-php
php-fpm-configuration-socket
php-fpm-configuration-user
php-fpm-configuration-group
php-fpm-configuration-socket-user
php-fpm-configuration-socket-group
php-fpm-configuration-pid-file
php-fpm-configuration-log-file
php-fpm-configuration-process-manager
php-fpm-configuration-display-errors
php-fpm-configuration-workers-log-file
php-fpm-configuration-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-max-children
php-fpm-dynamic-process-manager-configuration-start-servers
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?
php-fpm-on-demand-process-manager-configuration-max-children
php-fpm-on-demand-process-manager-configuration-process-idle-timeout
php-fpm-service-type
nginx-php-location
cat-avatar-generator-service))
;;; Commentary:
;;;
;;; Web services.
;;;
;;; Code:
(define-record-type* <httpd-module>
httpd-module make-httpd-module
httpd-module?
(name httpd-load-module-name)
(file httpd-load-module-file))
;; Default modules for the httpd-service-type, taken from etc/httpd/httpd.conf
;; file in the httpd package.
(define %default-httpd-modules
(map (match-lambda
((name file)
(httpd-module
(name name)
(file file))))
'(("authn_file_module" "modules/mod_authn_file.so")
("authn_core_module" "modules/mod_authn_core.so")
("authz_host_module" "modules/mod_authz_host.so")
("authz_groupfile_module" "modules/mod_authz_groupfile.so")
("authz_user_module" "modules/mod_authz_user.so")
("authz_core_module" "modules/mod_authz_core.so")
("access_compat_module" "modules/mod_access_compat.so")
("auth_basic_module" "modules/mod_auth_basic.so")
("reqtimeout_module" "modules/mod_reqtimeout.so")
("filter_module" "modules/mod_filter.so")
("mime_module" "modules/mod_mime.so")
("log_config_module" "modules/mod_log_config.so")
("env_module" "modules/mod_env.so")
("headers_module" "modules/mod_headers.so")
("setenvif_module" "modules/mod_setenvif.so")
("version_module" "modules/mod_version.so")
("unixd_module" "modules/mod_unixd.so")
("status_module" "modules/mod_status.so")
("autoindex_module" "modules/mod_autoindex.so")
("dir_module" "modules/mod_dir.so")
("alias_module" "modules/mod_alias.so"))))
(define-record-type* <httpd-config-file>
httpd-config-file make-httpd-config-file
httpd-config-file?
(modules httpd-config-file-modules
(default %default-httpd-modules))
(server-root httpd-config-file-server-root
(default httpd))
(server-name httpd-config-file-server-name
(default #f))
(document-root httpd-config-file-document-root
(default "/srv/http"))
(listen httpd-config-file-listen
(default '("80")))
(pid-file httpd-config-file-pid-file
(default "/var/run/httpd"))
(error-log httpd-config-file-error-log
(default "/var/log/httpd/error_log"))
(user httpd-config-file-user
(default "httpd"))
(group httpd-config-file-group
(default "httpd"))
(extra-config httpd-config-file-extra-config
(default
(list "TypesConfig etc/httpd/mime.types"))))
(define-gexp-compiler (httpd-config-file-compiler
(file <httpd-config-file>) system target)
(match file
(($ <httpd-config-file> load-modules server-root server-name
document-root listen pid-file error-log
user group extra-config)
(gexp->derivation
"httpd.conf"
#~(call-with-output-file (ungexp output "out")
(lambda (port)
(display
(string-append
(ungexp-splicing
`(,@(append-map
(match-lambda
(($ <httpd-module> name module)
`("LoadModule " ,name " " ,module "\n")))
load-modules)
,@`("ServerRoot " ,server-root "\n")
,@(if server-name
`("ServerName " ,server-name "\n")
'())
,@`("DocumentRoot " ,document-root "\n")
,@(append-map
(lambda (listen-value)
`("Listen " ,listen-value "\n"))
listen)
,@(if pid-file
`("Pidfile " ,pid-file "\n")
'())
,@(if error-log
`("ErrorLog " ,error-log "\n")
'())
,@(if user
`("User " ,user "\n")
'())
,@(if group
`("Group " ,group "\n")
'())
"\n\n"
,@extra-config)))
port)))
#:local-build? #t))))
(define-record-type <httpd-virtualhost>
(httpd-virtualhost addresses-and-ports contents)
httpd-virtualhost?
(addresses-and-ports httpd-virtualhost-addresses-and-ports)
(contents httpd-virtualhost-contents))
(define-record-type* <httpd-configuration>
httpd-configuration make-httpd-configuration
httpd-configuration?
(package httpd-configuration-package
(default httpd))
(pid-file httpd-configuration-pid-file
(default "/var/run/httpd"))
(config httpd-configuration-config
(default (httpd-config-file))))
(define %httpd-accounts
(list (user-group (name "httpd") (system? #t))
(user-account
(name "httpd")
(group "httpd")
(system? #t)
(comment "Apache HTTPD server user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define httpd-shepherd-services
(match-lambda
(($ <httpd-configuration> package pid-file config)
(list (shepherd-service
(provision '(httpd))
(documentation "The Apache HTTP Server")
(requirement '(networking))
(start #~(make-forkexec-constructor
`(#$(file-append package "/bin/httpd")
#$@(if config
(list "-f" config)
'()))
#:pid-file #$pid-file))
(stop #~(make-kill-destructor)))))))
(define httpd-activation
(match-lambda
(($ <httpd-configuration> package pid-file config)
(match-record
config
<httpd-config-file>
(error-log document-root)
#~(begin
(use-modules (guix build utils))
(mkdir-p #$(dirname error-log))
(mkdir-p #$document-root))))))
(define (httpd-process-extensions original-config extension-configs)
(let ((config (httpd-configuration-config
original-config)))
(if (httpd-config-file? config)
(httpd-configuration
(inherit original-config)
(config
(httpd-config-file
(inherit config)
(extra-config
(append (httpd-config-file-extra-config config)
(append-map
(match-lambda
(($ <httpd-virtualhost>
addresses-and-ports
contents)
`(,(string-append
"<VirtualHost " addresses-and-ports ">\n")
,@contents
"\n</VirtualHost>\n"))
((? string? x)
`("\n" ,x "\n"))
((? list? x)
`("\n" ,@x "\n")))
extension-configs)))))))))
(define httpd-service-type
(service-type (name 'httpd)
(extensions
(list (service-extension shepherd-root-service-type
httpd-shepherd-services)
(service-extension activation-service-type
httpd-activation)
(service-extension account-service-type
(const %httpd-accounts))))
(compose concatenate)
(extend httpd-process-extensions)
(default-value
(httpd-configuration))))
(define-record-type* <nginx-server-configuration>
nginx-server-configuration make-nginx-server-configuration
nginx-server-configuration?
(listen nginx-server-configuration-listen
(default '("80" "443 ssl")))
(server-name nginx-server-configuration-server-name
(default (list 'default)))
(root nginx-server-configuration-root
(default "/srv/http"))
(locations nginx-server-configuration-locations
(default '()))
(index nginx-server-configuration-index
(default (list "index.html")))
(try-files nginx-server-configuration-try-files
(default '()))
(ssl-certificate nginx-server-configuration-ssl-certificate
(default #f))
(ssl-certificate-key nginx-server-configuration-ssl-certificate-key
(default #f))
(server-tokens? nginx-server-configuration-server-tokens?
(default #f))
(raw-content nginx-server-configuration-raw-content
(default '())))
(define-record-type* <nginx-upstream-configuration>
nginx-upstream-configuration make-nginx-upstream-configuration
nginx-upstream-configuration?
(name nginx-upstream-configuration-name)
(servers nginx-upstream-configuration-servers))
(define-record-type* <nginx-location-configuration>
nginx-location-configuration make-nginx-location-configuration
nginx-location-configuration?
(uri nginx-location-configuration-uri
(default #f))
(body nginx-location-configuration-body))
(define-record-type* <nginx-named-location-configuration>
nginx-named-location-configuration make-nginx-named-location-configuration
nginx-named-location-configuration?
(name nginx-named-location-configuration-name
(default #f))
(body nginx-named-location-configuration-body))
(define-record-type* <nginx-configuration>
nginx-configuration make-nginx-configuration
nginx-configuration?
(nginx nginx-configuration-nginx ;<package>
(default nginx))
(log-directory nginx-configuration-log-directory ;string
(default "/var/log/nginx"))
(run-directory nginx-configuration-run-directory ;string
(default "/var/run/nginx"))
(server-blocks nginx-configuration-server-blocks
(default '())) ;list of <nginx-server-configuration>
(upstream-blocks nginx-configuration-upstream-blocks
(default '())) ;list of <nginx-upstream-configuration>
(server-names-hash-bucket-size nginx-configuration-server-names-hash-bucket-size
(default #f))
(server-names-hash-bucket-max-size nginx-configuration-server-names-hash-bucket-max-size
(default #f))
(file nginx-configuration-file ;#f | string | file-like
(default #f)))
(define (config-domain-strings names)
"Return a string denoting the nginx config representation of NAMES, a list
of domain names."
(map (match-lambda
('default "_ ")
((? string? str) (list str " ")))
names))
(define (config-index-strings names)
"Return a string denoting the nginx config representation of NAMES, a list
of index files."
(map (match-lambda
((? string? str) (list str " ")))
names))
(define emit-nginx-location-config
(match-lambda
(($ <nginx-location-configuration> uri body)
(list
" location " uri " {\n"
(map (lambda (x) (list " " x "\n")) body)
" }\n"))
(($ <nginx-named-location-configuration> name body)
(list
" location @" name " {\n"
(map (lambda (x) (list " " x "\n")) body)
" }\n"))))
(define (emit-nginx-server-config server)
(let ((listen (nginx-server-configuration-listen server))
(server-name (nginx-server-configuration-server-name server))
(ssl-certificate (nginx-server-configuration-ssl-certificate server))
(ssl-certificate-key
(nginx-server-configuration-ssl-certificate-key server))
(root (nginx-server-configuration-root server))
(index (nginx-server-configuration-index server))
(try-files (nginx-server-configuration-try-files server))
(server-tokens? (nginx-server-configuration-server-tokens? server))
(locations (nginx-server-configuration-locations server))
(raw-content (nginx-server-configuration-raw-content server)))
(define-syntax-parameter <> (syntax-rules ()))
(define-syntax-rule (and/l x tail ...)
(let ((x* x))
(if x*
(syntax-parameterize ((<> (identifier-syntax x*)))
(list tail ...))
'())))
(list
" server {\n"
(map (lambda (directive) (list " listen " directive ";\n")) listen)
" server_name " (config-domain-strings server-name) ";\n"
(and/l ssl-certificate " ssl_certificate " <> ";\n")
(and/l ssl-certificate-key " ssl_certificate_key " <> ";\n")
" root " root ";\n"
" index " (config-index-strings index) ";\n"
(if (not (nil? try-files))
(and/l (config-index-strings try-files) " try_files " <> ";\n")
"")
" server_tokens " (if server-tokens? "on" "off") ";\n"
"\n"
(map emit-nginx-location-config locations)
"\n"
(map (lambda (x) (list " " x "\n")) raw-content)
" }\n")))
(define (emit-nginx-upstream-config upstream)
(list
" upstream " (nginx-upstream-configuration-name upstream) " {\n"
(map (lambda (server)
(simple-format #f " server ~A;\n" server))
(nginx-upstream-configuration-servers upstream))
" }\n"))
(define (flatten . lst)
"Return a list that recursively concatenates all sub-lists of LST."
(define (flatten1 head out)
(if (list? head)
(fold-right flatten1 out head)
(cons head out)))
(fold-right flatten1 '() lst))
(define (default-nginx-config config)
(match-record config
<nginx-configuration>
(nginx log-directory run-directory
server-blocks upstream-blocks
server-names-hash-bucket-size
server-names-hash-bucket-max-size)
(apply mixed-text-file "nginx.conf"
(flatten
"user nginx nginx;\n"
"pid " run-directory "/pid;\n"
"error_log " log-directory "/error.log info;\n"
"http {\n"
" client_body_temp_path " run-directory "/client_body_temp;\n"
" proxy_temp_path " run-directory "/proxy_temp;\n"
" fastcgi_temp_path " run-directory "/fastcgi_temp;\n"
" uwsgi_temp_path " run-directory "/uwsgi_temp;\n"
" scgi_temp_path " run-directory "/scgi_temp;\n"
" access_log " log-directory "/access.log;\n"
" include " nginx "/share/nginx/conf/mime.types;\n"
(if server-names-hash-bucket-size
(string-append
" server_names_hash_bucket_size "
(number->string server-names-hash-bucket-size)
";\n")
"")
(if server-names-hash-bucket-max-size
(string-append
" server_names_hash_bucket_max_size "
(number->string server-names-hash-bucket-max-size)
";\n")
"")
"\n"
(map emit-nginx-upstream-config upstream-blocks)
(map emit-nginx-server-config server-blocks)
"}\n"
"events {}\n"))))
(define %nginx-accounts
(list (user-group (name "nginx") (system? #t))
(user-account
(name "nginx")
(group "nginx")
(system? #t)
(comment "nginx server user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define (nginx-activation config)
(match-record config
<nginx-configuration>
(nginx log-directory run-directory file)
#~(begin
(use-modules (guix build utils))
(format #t "creating nginx log directory '~a'~%" #$log-directory)
(mkdir-p #$log-directory)
(format #t "creating nginx run directory '~a'~%" #$run-directory)
(mkdir-p #$run-directory)
(format #t "creating nginx temp directories '~a/{client_body,proxy,fastcgi,uwsgi,scgi}_temp'~%" #$run-directory)
(mkdir-p (string-append #$run-directory "/client_body_temp"))
(mkdir-p (string-append #$run-directory "/proxy_temp"))
(mkdir-p (string-append #$run-directory "/fastcgi_temp"))
(mkdir-p (string-append #$run-directory "/uwsgi_temp"))
(mkdir-p (string-append #$run-directory "/scgi_temp"))
;; Start-up logs. Once configuration is loaded, nginx switches to
;; log-directory.
(mkdir-p (string-append #$run-directory "/logs"))
;; Check configuration file syntax.
(system* (string-append #$nginx "/sbin/nginx")
"-c" #$(or file
(default-nginx-config config))
"-t"))))
(define (nginx-shepherd-service config)
(match-record config
<nginx-configuration>
(nginx file run-directory)
(let* ((nginx-binary (file-append nginx "/sbin/nginx"))
(nginx-action
(lambda args
#~(lambda _
(zero?
(system* #$nginx-binary "-c"
#$(or file
(default-nginx-config config))
#$@args))))))
;; TODO: Add 'reload' action.
(list (shepherd-service
(provision '(nginx))
(documentation "Run the nginx daemon.")
(requirement '(user-processes loopback))
(start (nginx-action "-p" run-directory))
(stop (nginx-action "-s" "stop")))))))
(define nginx-service-type
(service-type (name 'nginx)
(extensions
(list (service-extension shepherd-root-service-type
nginx-shepherd-service)
(service-extension activation-service-type
nginx-activation)
(service-extension account-service-type
(const %nginx-accounts))))
(compose concatenate)
(extend (lambda (config servers)
(nginx-configuration
(inherit config)
(server-blocks
(append (nginx-configuration-server-blocks config)
servers)))))
(default-value
(nginx-configuration))))
(define-record-type* <fcgiwrap-configuration> fcgiwrap-configuration
make-fcgiwrap-configuration
fcgiwrap-configuration?
(package fcgiwrap-configuration-package ;<package>
(default fcgiwrap))
(socket fcgiwrap-configuration-socket
(default "tcp:127.0.0.1:9000"))
(user fcgiwrap-configuration-user
(default "fcgiwrap"))
(group fcgiwrap-configuration-group
(default "fcgiwrap")))
(define fcgiwrap-accounts
(match-lambda
(($ <fcgiwrap-configuration> package socket user group)
(filter identity
(list
(and (equal? group "fcgiwrap")
(user-group
(name "fcgiwrap")
(system? #t)))
(and (equal? user "fcgiwrap")
(user-account
(name "fcgiwrap")
(group group)
(system? #t)
(comment "Fcgiwrap Daemon")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))))))
(define fcgiwrap-shepherd-service
(match-lambda
(($ <fcgiwrap-configuration> package socket user group)
(list (shepherd-service
(provision '(fcgiwrap))
(documentation "Run the fcgiwrap daemon.")
(requirement '(networking))
(start #~(make-forkexec-constructor
'(#$(file-append package "/sbin/fcgiwrap")
"-s" #$socket)
#:user #$user #:group #$group))
(stop #~(make-kill-destructor)))))))
(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)))
(default-value (fcgiwrap-configuration))))
(define-record-type* <php-fpm-configuration> php-fpm-configuration
make-php-fpm-configuration
php-fpm-configuration?
(php php-fpm-configuration-php ;<package>
(default php))
(socket php-fpm-configuration-socket
(default (string-append "/var/run/php"
(version-major (package-version php))
"-fpm.sock")))
(user php-fpm-configuration-user
(default "php-fpm"))
(group php-fpm-configuration-group
(default "php-fpm"))
(socket-user php-fpm-configuration-socket-user
(default "php-fpm"))
(socket-group php-fpm-configuration-socket-group
(default "nginx"))
(pid-file php-fpm-configuration-pid-file
(default (string-append "/var/run/php"
(version-major (package-version php))
"-fpm.pid")))
(log-file php-fpm-configuration-log-file
(default (string-append "/var/log/php"
(version-major (package-version php))
"-fpm.log")))
(process-manager php-fpm-configuration-process-manager
(default (php-fpm-dynamic-process-manager-configuration)))
(display-errors php-fpm-configuration-display-errors
(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)))
(define-record-type* <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?
(max-children php-fpm-dynamic-process-manager-configuration-max-children
(default 5))
(start-servers php-fpm-dynamic-process-manager-configuration-start-servers
(default 2))
(min-spare-servers php-fpm-dynamic-process-manager-configuration-min-spare-servers
(default 1))
(max-spare-servers php-fpm-dynamic-process-manager-configuration-max-spare-servers
(default 3)))
(define-record-type* <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?
(max-children php-fpm-static-process-manager-configuration-max-children
(default 5)))
(define-record-type* <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?
(max-children php-fpm-on-demand-process-manager-configuration-max-children
(default 5))
(process-idle-timeout php-fpm-on-demand-process-manager-configuration-process-idle-timeout
(default 10)))
(define php-fpm-accounts
(match-lambda
(($ <php-fpm-configuration> php socket user group socket-user socket-group _ _ _ _ _ _)
(list
(user-group (name "php-fpm") (system? #t))
(user-group
(name group)
(system? #t))
(user-account
(name user)
(group group)
(supplementary-groups '("php-fpm"))
(system? #t)
(comment "php-fpm daemon user")
(home-directory "/var/empty")
(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)
(apply mixed-text-file "php-fpm.conf"
(flatten
"[global]\n"
"pid =" pid-file "\n"
"error_log =" log-file "\n"
"[www]\n"
"user =" user "\n"
"group =" group "\n"
"listen =" socket "\n"
"listen.owner =" socket-user "\n"
"listen.group =" socket-group "\n"
(match pm
(($ <php-fpm-dynamic-process-manager-configuration>
pm.max-children
pm.start-servers
pm.min-spare-servers
pm.max-spare-servers)
(list
"pm = dynamic\n"
"pm.max_children =" (number->string pm.max-children) "\n"
"pm.start_servers =" (number->string pm.start-servers) "\n"
"pm.min_spare_servers =" (number->string pm.min-spare-servers) "\n"
"pm.max_spare_servers =" (number->string pm.max-spare-servers) "\n"))
(($ <php-fpm-static-process-manager-configuration>
pm.max-children)
(list
"pm = static\n"
"pm.max_children =" (number->string pm.max-children) "\n"))
(($ <php-fpm-on-demand-process-manager-configuration>
pm.max-children
pm.process-idle-timeout)
(list
"pm = ondemand\n"
"pm.max_children =" (number->string pm.max-children) "\n"
"pm.process_idle_timeout =" (number->string pm.process-idle-timeout) "s\n")))
"php_flag[display_errors] = " (if display-errors "on" "off") "\n"
(if workers-log-file
(list "catch_workers_output = yes\n"
"php_admin_value[error_log] =" workers-log-file "\n"
"php_admin_flag[log_errors] = on\n")
(list "catch_workers_output = no\n")))))
(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)
(list (shepherd-service
(provision '(php-fpm))
(documentation "Run the php-fpm daemon.")
(requirement '(networking))
(start #~(make-forkexec-constructor
'(#$(file-append php "/sbin/php-fpm")
"--fpm-config"
#$(or file
(default-php-fpm-config socket user group
socket-user socket-group pid-file log-file
pm display-errors workers-log-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-service-type
(service-type
(name 'php-fpm)
(description
"Run @command{php-fpm} to provide a fastcgi socket for calling php through
a webserver.")
(extensions
(list (service-extension shepherd-root-service-type
php-fpm-shepherd-service)
(service-extension activation-service-type
php-fpm-activation)
(service-extension account-service-type
php-fpm-accounts)))
(default-value (php-fpm-configuration))))
(define* (nginx-php-location
#:key
(nginx-package nginx)
(socket (string-append "/var/run/php"
(version-major (package-version php))
"-fpm.sock")))
"Return a nginx-location-configuration that makes nginx run .php files."
(nginx-location-configuration
(uri "~ \\.php$")
(body (list
"fastcgi_split_path_info ^(.+\\.php)(/.+)$;"
(string-append "fastcgi_pass unix:" socket ";")
"fastcgi_index index.php;"
(list "include " nginx-package "/share/nginx/conf/fastcgi.conf;")))))
(define* (cat-avatar-generator-service
#:key
(cache-dir "/var/cache/cat-avatar-generator")
(package cat-avatar-generator)
(configuration (nginx-server-configuration)))
(simple-service
'cat-http-server nginx-service-type
(list (nginx-server-configuration
(inherit configuration)
(locations
(cons
(let ((base (nginx-php-location)))
(nginx-location-configuration
(inherit base)
(body (list (string-append "fastcgi_param CACHE_DIR \""
cache-dir "\";")
(nginx-location-configuration-body base)))))
(nginx-server-configuration-locations configuration)))
(root #~(string-append #$package
"/share/web/cat-avatar-generator"))))))