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authorMarius Bakke <mbakke@fastmail.com>2018-08-26 23:33:48 +0200
committerMarius Bakke <mbakke@fastmail.com>2018-09-26 00:33:01 +0200
commit3b97a1779f3b65d582b8edc8c154b6414314b946 (patch)
treec9ad03a95143d3c237fdd91446c1c74c20b3f058 /gnu
parent5f33e9063b9b047801d0206e7a74eee8bf6fc52d (diff)
services: Add Varnish service.
* gnu/services/web.scm (<varnish-configuration>): New record type. (%varnish-accounts, %varnish-service-type): New variables. (varnish-shepherd-service): New procedure. * gnu/tests/web.scm (%varnish-vcl, %varnish-os): New variables. (%test-varnish): New test. * doc/guix.texi (Web Services): Document it.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/services/web.scm96
-rw-r--r--gnu/tests/web.scm41
2 files changed, 136 insertions, 1 deletions
diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index 1c38e7d8d3..1edb1f4d34 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -8,6 +8,7 @@
;;; 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 © 2018 Marius Bakke <mbakke@fastmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -190,7 +191,21 @@
tailon-configuration-config-file
tailon-configuration-package
- tailon-service-type))
+ tailon-service-type
+
+ <varnish-configuration>
+ 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))
;;; Commentary:
;;;
@@ -1162,3 +1177,82 @@ files.")
(files (append (tailon-configuration-file-files old-config-file)
files))))))))
(default-value (tailon-configuration))))
+
+
+;;;
+;;; 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))))
diff --git a/gnu/tests/web.scm b/gnu/tests/web.scm
index 45fcb668fb..bcc919137b 100644
--- a/gnu/tests/web.scm
+++ b/gnu/tests/web.scm
@@ -32,6 +32,7 @@
#:use-module (guix store)
#:export (%test-httpd
%test-nginx
+ %test-varnish
%test-php-fpm
%test-hpcguix-web
%test-tailon))
@@ -169,6 +170,46 @@ HTTP-PORT."
;;;
+;;; Varnish
+;;;
+
+(define %varnish-vcl
+ (mixed-text-file
+ "varnish-test.vcl"
+ "vcl 4.0;
+backend dummy { .host = \"127.1.1.1\"; }
+sub vcl_recv { return(synth(200, \"OK\")); }
+sub vcl_synth {
+ synthetic(\"" %index.html-contents "\");
+ set resp.http.Content-Type = \"text/plain\";
+ return(deliver);
+}"))
+
+(define %varnish-os
+ (simple-operating-system
+ (dhcp-client-service)
+ ;; Pretend to be a web server that serves %index.html-contents.
+ (service varnish-service-type
+ (varnish-configuration
+ (name "/tmp/server")
+ ;; Use a small VSL buffer to fit in the test VM.
+ (parameters '(("vsl_space" . "4M")))
+ (vcl %varnish-vcl)))
+ ;; Proxy the "server" using the builtin configuration.
+ (service varnish-service-type
+ (varnish-configuration
+ (parameters '(("vsl_space" . "4M")))
+ (backend "localhost:80")
+ (listen '(":8080"))))))
+
+(define %test-varnish
+ (system-test
+ (name "varnish")
+ (description "Test the Varnish Cache server.")
+ (value (run-webserver-test "varnish-default" %varnish-os))))
+
+
+;;;
;;; PHP-FPM
;;;