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services: zabbix: Support gexps in configuration serializer.

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This makes it possible to do e.g. (include-files (list (local-file "foo.conf"))).

* gnu/services/monitoring.scm (serialize-field, serialize-list,
serialize-include-files, serialize-extra-options): Rewrite as gexps.
(zabbix-server-config-file, zabbix-agent-config-file): Simplify builders by
using FORMAT.
This commit is contained in:
Marius Bakke 2022-01-30 13:06:10 +01:00
parent dea8810036
commit ab8b76b735
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1 changed files with 13 additions and 18 deletions
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31
gnu/services/monitoring.scm
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@ -212,13 +212,16 @@ Prometheus.")
#\-))))
(define (serialize-field field-name val)
(format #t "~a=~a~%" (uglify-field-name field-name) val))
#~(format #f "~a=~a~%" #$(uglify-field-name field-name) #$val))
(define (serialize-number field-name val)
(serialize-field field-name (number->string val)))
(define (serialize-list field-name val)
(if (null? val) "" (serialize-field field-name (string-join val ","))))
#~(if (null? '#$val)
""
#$(serialize-field field-name (string-join val ","))))
(define (serialize-string field-name val)
(if (and (string? val) (string=? val ""))
@ -233,12 +236,12 @@ Prometheus.")
(define include-files? list?)
(define (serialize-include-files field-name val)
(if (null? val) "" (for-each (cut serialize-field 'include <>) val)))
#~(string-append #$@(map (cut serialize-field 'include <>) val)))
(define extra-options? string?)
(define (serialize-extra-options field-name val)
(if (null? val) "" (display val)))
#~(if (= 0 (string-length #$val)) "" #$(format #f "~a~%" val)))
(define (nginx-server-configuration-list? val)
(and (list? val) (and-map nginx-server-configuration? val)))
@ -321,13 +324,9 @@ configuration file."))
#~(begin
(call-with-output-file #$output
(lambda (port)
(display "# Generated by 'zabbix-server-service'.\n" port)
(display #$(with-output-to-string
(lambda ()
(serialize-configuration
config zabbix-server-configuration-fields)))
port)
#t)))))
(format port "# Generated by 'zabbix-server-service'.~%")
(format port #$(serialize-configuration
config zabbix-server-configuration-fields)))))))
(define (zabbix-server-activation config)
"Return the activation gexp for CONFIG."
@ -509,13 +508,9 @@ configuration file."))
#~(begin
(call-with-output-file #$output
(lambda (port)
(display "# Generated by 'zabbix-agent-service'.\n" port)
(display #$(with-output-to-string
(lambda ()
(serialize-configuration
config zabbix-agent-configuration-fields)))
port)
#t)))))
(format port "# Generated by 'zabbix-agent-service'.~%")
(format port #$(serialize-configuration
config zabbix-agent-configuration-fields)))))))
(define (zabbix-agent-shepherd-service config)
"Return a <shepherd-service> for Zabbix agent with CONFIG."