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01/05: gnu: services: Nginx configs can reference store
From: |
Andy Wingo |
Subject: |
01/05: gnu: services: Nginx configs can reference store |
Date: |
Thu, 27 Apr 2017 14:25:08 -0400 (EDT) |
wingo pushed a commit to branch wip-git-https
in repository guix.
commit b56b797e2ca26619485d874110d3f1f0ae96fba4
Author: Andy Wingo <address@hidden>
Date: Thu Apr 27 19:49:02 2017 +0200
gnu: services: Nginx configs can reference store
* gnu/services/web.scm (config-domain-strings, config-index-strings): Emit
lists instead of strings.
(emit-nginx-location-config, emit-nginx-server-config)
(emit-nginx-upstream-config): Rename from nginx-location-config,
default-nginx-server-config, and nginx-upstream-config. Emit lists instead
of
strings.
(flatten): New helper.
(default-nginx-config): Use flatten helper to write nginx conf. This allows
location configs to reference store values.
---
gnu/services/web.scm | 150 +++++++++++++++++++++++++--------------------------
1 file changed, 74 insertions(+), 76 deletions(-)
diff --git a/gnu/services/web.scm b/gnu/services/web.scm
index b7b2f67..e876952 100644
--- a/gnu/services/web.scm
+++ b/gnu/services/web.scm
@@ -110,101 +110,99 @@
(define (config-domain-strings names)
"Return a string denoting the nginx config representation of NAMES, a list
of domain names."
- (string-join
- (map (match-lambda
+ (map (match-lambda
('default "_ ")
- ((? string? str) (string-append str " ")))
- names)))
+ ((? 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."
- (string-join
- (map (match-lambda
- ((? string? str) (string-append str " ")))
- names)))
+ (map (match-lambda
+ ((? string? str) (list str " ")))
+ names))
-(define nginx-location-config
+(define emit-nginx-location-config
(match-lambda
(($ <nginx-location-configuration> uri body)
- (string-append
+ (list
" location " uri " {\n"
- " " (string-join body "\n ") "\n"
+ (map (lambda (x) (list " " x "\n")) body)
" }\n"))
(($ <nginx-named-location-configuration> name body)
- (string-append
+ (list
" location @" name " {\n"
- " " (string-join body "\n ") "\n"
+ (map (lambda (x) (list " " x "\n")) body)
" }\n"))))
-(define (default-nginx-server-config server)
- (string-append
- " server {\n"
- (if (nginx-server-configuration-http-port server)
- (string-append " listen "
- (number->string (nginx-server-configuration-http-port
server))
- ";\n")
- "")
- (if (nginx-server-configuration-https-port server)
- (string-append " listen "
- (number->string (nginx-server-configuration-https-port
server))
- " ssl;\n")
- "")
- " server_name " (config-domain-strings
- (nginx-server-configuration-server-name server))
- ";\n"
- (if (nginx-server-configuration-ssl-certificate server)
- (string-append " ssl_certificate "
- (nginx-server-configuration-ssl-certificate server)
";\n")
- "")
- (if (nginx-server-configuration-ssl-certificate-key server)
- (string-append " ssl_certificate_key "
- (nginx-server-configuration-ssl-certificate-key server)
";\n")
- "")
- " root " (nginx-server-configuration-root server) ";\n"
- " index " (config-index-strings (nginx-server-configuration-index
server)) ";\n"
- " server_tokens " (if (nginx-server-configuration-server-tokens?
server)
- "on" "off") ";\n"
- "\n"
- (string-join
- (map nginx-location-config (nginx-server-configuration-locations server))
- "\n")
- " }\n"))
+(define (emit-nginx-server-config server)
+ (let ((http-port (nginx-server-configuration-http-port server))
+ (https-port (nginx-server-configuration-https-port 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))
+ (server-tokens? (nginx-server-configuration-server-tokens? server))
+ (locations (nginx-server-configuration-locations 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"
+ (and/l http-port " listen " (number->string <>) ";\n")
+ (and/l https-port " listen " (number->string <>) " ssl;\n")
+ " 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"
+ " server_tokens " (if server-tokens? "on" "off") ";\n"
+ "\n"
+ (map emit-nginx-location-config locations)
+ "\n"
+ " }\n")))
-(define (nginx-upstream-config upstream)
- (string-append
+(define (emit-nginx-upstream-config upstream)
+ (list
" upstream " (nginx-upstream-configuration-name upstream) " {\n"
- (string-concatenate
- (map (lambda (server)
- (simple-format #f " server ~A;\n" server))
- (nginx-upstream-configuration-servers upstream)))
+ (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 nginx log-directory run-directory server-list
upstream-list)
- (mixed-text-file "nginx.conf"
- "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"
- "\n"
- (string-join
- (filter (lambda (section) (not (null? section)))
- (map nginx-upstream-config upstream-list))
- "\n")
- "\n"
- (let ((http (map default-nginx-server-config server-list)))
- (do ((http http (cdr http))
- (block "" (string-append (car http) "\n" block )))
- ((null? http) block)))
- "}\n"
- "events {}\n"))
+ (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"
+ "\n"
+ (map emit-nginx-upstream-config upstream-list)
+ (map emit-nginx-server-config server-list)
+ "}\n"
+ "events {}\n")))
(define %nginx-accounts
(list (user-group (name "nginx") (system? #t))