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tion-rpcbind config)) (define rpcbind-command #~(list (string-append #$rpcbind "/sbin/rpcbind") "-f" #$@(if (rpcbind-configuration-warm-start? config) '("-w") '()))) (shepherd-service (documentation "Start the RPC bind daemon.") (requirement '(networking)) (provision '(rpcbind-daemon)) (start #~(make-forkexec-constructor #$rpcbind-command)) (stop #~(make-kill-destructor)))))) (service-type (name 'rpcbind) (extensions (list (service-extension shepherd-root-service-type (compose list proc)))) ;; We use the extensions feature to allow other services to automatically ;; configure and start this service. Only one value can be provided. We ;; override it with the value returned by the extending service. (compose identity) (extend (lambda (config values) (match values ((first . rest) first) (_ config)))) (default-value (rpcbind-configuration)) (description "Run the RPC Bind service, which provides a facility to map ONC RPC program numbers into universal addresses. Many NFS related services use this facility.")))) (define-record-type* <pipefs-configuration> pipefs-configuration make-pipefs-configuration pipefs-configuration? (mount-point pipefs-configuration-mount-point (default default-pipefs-directory))) (define pipefs-service-type (let ((proc (lambda (config) (define pipefs-directory (pipefs-configuration-mount-point config)) (shepherd-service (documentation "Mount the pipefs pseudo file system.") (provision '(rpc-pipefs)) (start #~(lambda () (mkdir-p #$pipefs-directory) (mount "rpc_pipefs" #$pipefs-directory "rpc_pipefs") (member #$pipefs-directory (mount-points)))) (stop #~(lambda (pid . args) (umount #$pipefs-directory MNT_DETACH) (not (member #$pipefs-directory (mount-points))))))))) (service-type (name 'pipefs) (extensions (list (service-extension shepherd-root-service-type (compose list proc)))) ;; We use the extensions feature to allow other services to automatically ;; configure and start this service. Only one value can be provided. We ;; override it with the value returned by the extending service. (compose identity) (extend (lambda (config values) (match values ((first . rest) first) (_ config)))) (default-value (pipefs-configuration)) (description "Mount the pipefs file system, which is used to transfer NFS-related data between the kernel and user-space programs.")))) (define-record-type* <gss-configuration> gss-configuration make-gss-configuration gss-configuration? (pipefs-directory gss-configuration-pipefs-directory (default default-pipefs-directory)) (nfs-utils gss-configuration-gss (default nfs-utils))) (define gss-service-type (let ((proc (lambda (config) (define nfs-utils (gss-configuration-gss config)) (define pipefs-directory (gss-configuration-pipefs-directory config)) (define gss-command #~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f" "-p" #$pipefs-directory)) (shepherd-service (documentation "Start the RPC GSS daemon.") (requirement '(rpcbind-daemon rpc-pipefs)) (provision '(gss-daemon)) (start #~(make-forkexec-constructor #$gss-command)) (stop #~(make-kill-destructor)))))) (service-type (name 'gss) (extensions (list (service-extension shepherd-root-service-type (compose list proc)))) ;; We use the extensions feature to allow other services to automatically ;; configure and start this service. Only one value can be provided. We ;; override it with the value returned by the extending service. (compose identity) (extend (lambda (config values) (match values ((first . rest) first) (_ config)))) (default-value (gss-configuration)) (description "Run the @dfn{global security system} (GSS) daemon, which provides strong security for protocols based on remote procedure calls (ONC RPC).")))) (define-record-type* <idmap-configuration> idmap-configuration make-idmap-configuration idmap-configuration? (pipefs-directory idmap-configuration-pipefs-directory (default default-pipefs-directory)) (domain idmap-configuration-domain (default #f)) (nfs-utils idmap-configuration-nfs-utils (default nfs-utils)) (verbosity idmap-configuration-verbosity (default 0))) (define idmap-service-type (let ((proc (lambda (config) (define nfs-utils (idmap-configuration-nfs-utils config)) (define pipefs-directory (idmap-configuration-pipefs-directory config)) (define domain (idmap-configuration-domain config)) (define (idmap-config-file config) (plain-file "idmapd.conf" (string-append "\n[General]\n" "Verbosity = " (number->string (idmap-configuration-verbosity config)) "\n" (if domain (format #f "Domain = ~a\n" domain) "") "\n[Mapping]\n" "Nobody-User = nobody\n" "Nobody-Group = nogroup\n"))) (define idmap-command #~(list (string-append #$nfs-utils "/sbin/rpc.idmapd") "-f" "-p" #$pipefs-directory ;; TODO: this is deprecated "-c" #$(idmap-config-file config))) (shepherd-service (documentation "Start the RPC IDMAP daemon.") (requirement '(rpcbind-daemon rpc-pipefs)) (provision '(idmap-daemon)) (start #~(make-forkexec-constructor #$idmap-command)) (stop #~(make-kill-destructor)))))) (service-type (name 'idmap) (extensions (list (service-extension shepherd-root-service-type (compose list proc)))) ;; We use the extensions feature to allow other services to automatically ;; configure and start this service. Only one value can be provided. We ;; override it with the value returned by the extending service. (compose identity) (extend (lambda (config values) (first values))) (default-value (idmap-configuration)) (description "Run the idmap daemon, which provides a mapping between user IDs and user names. It is typically required to access file systems mounted via NFSv4.")))) (define-record-type* <nfs-configuration> nfs-configuration make-nfs-configuration nfs-configuration? (nfs-utils nfs-configuration-nfs-utils (default nfs-utils)) (nfs-versions nfs-configuration-nfs-versions (default '("4.2" "4.1" "4.0"))) (exports nfs-configuration-exports (default '())) (rpcmountd-port nfs-configuration-rpcmountd-port (default #f)) (rpcstatd-port nfs-configuration-rpcstatd-port (default #f)) (rpcbind nfs-configuration-rpcbind (default rpcbind)) (idmap-domain nfs-configuration-idmap-domain (default "localdomain")) (nfsd-port nfs-configuration-nfsd-port (default 2049)) (nfsd-threads nfs-configuration-nfsd-threads (default 8)) (nfsd-tcp? nfs-configuration-nfsd-tcp? (default #t)) (nfsd-udp? nfs-configuration-nfsd-udp? (default #f)) (pipefs-directory nfs-configuration-pipefs-directory (default default-pipefs-directory)) ;; List of modules to debug; any of nfsd, nfs, rpc, idmap, statd, or mountd. (debug nfs-configuration-debug (default '()))) (define (nfs-shepherd-services config) "Return a list of <shepherd-service> for the NFS daemons with CONFIG." (match-record config <nfs-configuration> (nfs-utils nfs-versions exports rpcmountd-port rpcstatd-port nfsd-port nfsd-threads nfsd-tcp? nfsd-udp? pipefs-directory debug) (list (shepherd-service (documentation "Mount the nfsd pseudo file system.") (provision '(/proc/fs/nfsd)) (start #~(lambda () (mount "nfsd" "/proc/fs/nfsd" "nfsd") (member "/proc/fs/nfsd" (mount-points)))) (stop #~(lambda (pid . args) (umount "/proc/fs/nfsd" MNT_DETACH) (not (member "/proc/fs/nfsd" (mount-points)))))) (shepherd-service (documentation "Run the NFS statd daemon.") (provision '(rpc.statd)) (requirement '(/proc/fs/nfsd rpcbind-daemon)) (start #~(make-forkexec-constructor (list #$(file-append nfs-utils "/sbin/rpc.statd") ;; TODO: notification support may require a little more ;; configuration work. "--no-notify" #$@(if (member 'statd debug) '("--no-syslog") ; verbose logging to stderr '()) "--foreground" #$@(if rpcstatd-port #~("--port" #$(number->string rpcstatd-port)) '())) #:pid-file "/var/run/rpc.statd.pid")) (stop #~(make-kill-destructor))) (shepherd-service (documentation "Run the NFS mountd daemon.") (provision '(rpc.mountd)) (requirement '(/proc/fs/nfsd rpc.statd)) (start #~(make-forkexec-constructor (list #$(file-append nfs-utils "/sbin/rpc.mountd") "--foreground" #$@(if (member 'mountd debug) '("--debug" "all") '()) #$@(if rpcmountd-port #~("--port" #$(number->string rpcmountd-port)) '())))) (stop #~(make-kill-destructor))) (shepherd-service (documentation "Run the NFS daemon.") (provision '(rpc.nfsd)) (requirement '(/proc/fs/nfsd rpc.statd networking)) (start #~(lambda _ (zero? (apply system* #$(file-append nfs-utils "/sbin/rpc.nfsd") (list #$@(if (member 'nfsd debug) '("--debug") '()) "--port" #$(number->string nfsd-port) #$@(map (lambda (version) (string-append "--nfs-version=" version)) nfs-versions) #$(number->string nfsd-threads) #$(if nfsd-tcp? "--tcp" "--no-tcp") #$(if nfsd-udp? "--udp" "--no-udp")))))) (stop #~(lambda _ (zero? (system* #$(file-append nfs-utils "/sbin/rpc.nfsd") "0"))))) (shepherd-service (documentation "Run the NFS mountd daemon and refresh exports.") (provision '(nfs)) (requirement '(/proc/fs/nfsd rpc.nfsd rpc.mountd rpc.statd rpcbind-daemon)) (start #~(lambda _ (let ((rpcdebug #$(file-append nfs-utils "/sbin/rpcdebug"))) (cond ((member 'nfsd '#$debug) (system* rpcdebug "-m" "nfsd" "-s" "all")) ((member 'nfs '#$debug) (system* rpcdebug "-m" "nfs" "-s" "all")) ((member 'rpc '#$debug) (system* rpcdebug "-m" "rpc" "-s" "all")))) (zero? (system* #$(file-append nfs-utils "/sbin/exportfs") "-r" ; re-export "-a" ; everthing "-v" ; be verbose "-d" "all" ; debug )))) (stop #~(lambda _ (let ((rpcdebug #$(file-append nfs-utils "/sbin/rpcdebug"))) (cond ((member 'nfsd '#$debug) (system* rpcdebug "-m" "nfsd" "-c" "all")) ((member 'nfs '#$debug) (system* rpcdebug "-m" "nfs" "-c" "all")) ((member 'rpc '#$debug) (system* rpcdebug "-m" "rpc" "-c" "all")))) #t)) (respawn? #f))))) (define %nfs-activation (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) ;; directory containing monitor list (mkdir-p "/var/lib/nfs/sm") ;; Needed for client recovery tracking (mkdir-p "/var/lib/nfs/v4recovery") (let ((user (getpw "nobody"))) (chown "/var/lib/nfs" (passwd:uid user) (passwd:gid user)) (chown "/var/lib/nfs/v4recovery" (passwd:uid user) (passwd:gid user))) #t))) (define nfs-service-type (service-type (name 'nfs) (extensions (list (service-extension shepherd-root-service-type nfs-shepherd-services) (service-extension activation-service-type (const %nfs-activation)) (service-extension etc-service-type (lambda (config) `(("exports" ,(plain-file "exports" (string-join (map string-join (nfs-configuration-exports config)) "\n")))))) ;; The NFS service depends on these other services. They are extended so ;; that users don't need to configure them manually. (service-extension idmap-service-type (lambda (config) (idmap-configuration (domain (nfs-configuration-idmap-domain config)) (verbosity (if (member 'idmap (nfs-configuration-debug config)) 10 0)) (pipefs-directory (nfs-configuration-pipefs-directory config)) (nfs-utils (nfs-configuration-nfs-utils config))))) (service-extension pipefs-service-type (lambda (config) (pipefs-configuration (mount-point (nfs-configuration-pipefs-directory config))))) (service-extension rpcbind-service-type (lambda (config) (rpcbind-configuration (rpcbind (nfs-configuration-rpcbind config))))))) (description "Run all NFS daemons and refresh the list of exported file systems.")))
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