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(define-module (gn services databases)
#:use-module (gnu)
#:use-module (gnu packages admin)
#:use-module (gnu packages databases)
#:use-module (gnu services configuration)
#:use-module (gnu services shepherd)
#:use-module (guix packages)
#:use-module (guix records)
#:export (virtuoso-configuration
virtuoso-configuration?
virtuoso-configuration-package
virtuoso-configuration-state-directory
virtuoso-configuration-server-ip
virtuoso-configuration-server-port
virtuoso-configuration-number-of-buffers
virtuoso-configuration-maximum-dirty-buffers
virtuoso-configuration-http-server-ip
virtuoso-configuration-http-server-port
virtuoso-service-type))
;;;
;;; Virtuoso
;;;
(define-record-type* <virtuoso-configuration>
virtuoso-configuration make-virtuoso-configuration
virtuoso-configuration?
(package virtuoso-configuration-package
(default virtuoso-ose))
(state-directory virtuoso-configuration-state-directory
(default "/var/lib/virtuoso"))
(server-ip virtuoso-configuration-server-ip
(default "localhost"))
(server-port virtuoso-configuration-server-port
(default 1111))
(number-of-buffers virtuoso-configuration-number-of-buffers
(default #f))
(maximum-dirty-buffers virtuoso-configuration-maximum-dirty-buffers
(default #f))
(http-server-ip virtuoso-configuration-http-server-ip
(default "localhost"))
(http-server-port virtuoso-configuration-http-server-port
(default 8890)))
(define (virtuoso-activation config)
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(for-each (lambda (file)
(chown file
(passwd:uid (getpw "virtuoso"))
(passwd:gid (getpw "virtuoso"))))
(find-files #$(virtuoso-configuration-state-directory config)
#:directories? #t)))))
(define %virtuoso-accounts
(list (user-group (name "virtuoso")
(system? #t))
(user-account
(name "virtuoso")
(group "virtuoso")
(system? #t)
(comment "Virtuoso user")
(home-directory "/var/lib/virtuoso")
(shell (file-append shadow "/sbin/nologin")))))
(define (virtuoso-shepherd-service config)
(shepherd-service
(documentation "Run Virtuoso.")
(provision '(virtuoso))
(requirement '(networking))
(start #~(make-forkexec-constructor
(list #$(file-append (virtuoso-configuration-package config)
"/bin/virtuoso-t")
"+foreground"
"+configfile"
#$(computed-file
"virtuoso.ini"
#~(call-with-output-file #$output
(lambda (port)
(when (and #$(virtuoso-configuration-server-ip config)
#$(virtuoso-configuration-server-port config))
(format port "[Parameters]~%")
(format port "ServerPort = ~a:~a~%"
#$(virtuoso-configuration-server-ip config)
#$(virtuoso-configuration-server-port config)))
(when #$(virtuoso-configuration-number-of-buffers config)
(format port "NumberOfBuffers = ~a~%"
#$(virtuoso-configuration-number-of-buffers config)))
(when #$(virtuoso-configuration-maximum-dirty-buffers config)
(format port "MaxDirtyBuffers = ~a~%"
#$(virtuoso-configuration-maximum-dirty-buffers config)))
(when (and #$(virtuoso-configuration-http-server-ip config)
#$(virtuoso-configuration-http-server-port config))
(format port "[HTTPServer]~%")
(format port "ServerPort = ~a:~a~%"
#$(virtuoso-configuration-http-server-ip config)
#$(virtuoso-configuration-http-server-port config)))))))
#:directory #$(virtuoso-configuration-state-directory config)
#:user "virtuoso"
#:group "virtuoso"
#:log-file "/var/log/virtuoso.log"))
(stop #~(make-kill-destructor))))
(define virtuoso-service-type
(service-type
(name 'virtuoso)
(description "Run Virtuoso.")
(extensions
(list (service-extension activation-service-type
virtuoso-activation)
(service-extension account-service-type
(const %virtuoso-accounts))
(service-extension shepherd-root-service-type
(compose list virtuoso-shepherd-service))))
(default-value (virtuoso-configuration))))
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