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services: openntpd: Fix the config generation code. 

This fixes issue #37318 (see: http://bugs.gnu.org/37318).

* gnu/services/networking.scm (openntpd-configuration->string): Rewrite in
order to make the "openntpd configuration generation sanity check" test pass.
master
Maxim Cournoyer 2019-09-07 12:37:37 +09:00
parent 2625abc6aa
commit ccdfae388d
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1 changed files with 23 additions and 12 deletions
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35
gnu/services/networking.scm
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@ -505,22 +505,33 @@ make an initial adjustment of more than 1,000 seconds."
(default #f))) ; upstream default
(define (openntpd-configuration->string config)
(define (quote-field? name)
(member name '("constraints from")))
(match-record config <openntpd-configuration>
(listen-on query-from sensor server servers constraint-from
constraints-from)
(string-join
(filter-map
(lambda (field value)
(string-join
(map (cut string-append field <> "\n")
value)))
'("listen on " "query from " "sensor " "server " "servers "
"constraint from ")
(list listen-on query-from sensor server servers constraint-from))
;; The 'constraints from' field needs to be enclosed in double quotes.
(string-append
(string-join
(map (cut string-append "constraints from \"" <> "\"\n")
constraints-from)))))
(concatenate
(filter-map (lambda (field values)
(match values
(() #f) ;discard entry with filter-map
((val ...) ;validate value type
(map (lambda (value)
(if (quote-field? field)
(format #f "~a \"~a\"" field value)
(format #f "~a ~a" field value)))
values))))
;; The entry names.
'("listen on" "query from" "sensor" "server" "servers"
"constraint from" "constraints from")
;; The corresponding entry values.
(list listen-on query-from sensor server servers
constraint-from constraints-from)))
"\n")
"\n"))) ;add a trailing newline
(define (openntpd-shepherd-service config)
(let ((openntpd (openntpd-configuration-openntpd config))