;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2019, 2020, 2021, 2022 Christopher Baines ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify ;;; it under the terms of the GNU General Public License as published by ;;; the Free Software Foundation, either version 3 of the License, or ;;; (at your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see . (define-module (gnu services guix) #:use-module (srfi srfi-1) #:use-module (ice-9 match) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix packages) #:use-module ((gnu packages base) #:select (glibc-utf8-locales)) #:use-module (gnu packages admin) #:use-module (gnu packages databases) #:use-module (gnu packages web) #:use-module (gnu packages guile) #:use-module (gnu packages guile-xyz) #:use-module (gnu packages package-management) #:use-module (gnu services) #:use-module (gnu services base) #:use-module (gnu services admin) #:use-module (gnu services shepherd) #:use-module (gnu services getmail) #:use-module (gnu system shadow) #:export (guix-build-coordinator-configuration guix-build-coordinator-configuration? guix-build-coordinator-configuration-package guix-build-coordinator-configuration-user guix-build-coordinator-configuration-group guix-build-coordinator-configuration-datastore-uri-string guix-build-coordinator-configuration-agent-communication-uri-string guix-build-coordinator-configuration-client-communication-uri-string guix-build-coordinator-configuration-allocation-strategy guix-build-coordinator-configuration-hooks guix-build-coordinator-configuration-parallel-hooks guix-build-coordinator-configuration-guile guix-build-coordinator-service-type guix-build-coordinator-agent-configuration guix-build-coordinator-agent-configuration? guix-build-coordinator-agent-configuration-package guix-build-coordinator-agent-configuration-user guix-build-coordinator-agent-configuration-coordinator guix-build-coordinator-agent-configuration-authentication guix-build-coordinator-agent-configuration-systems guix-build-coordinator-agent-configuration-max-parallel-builds guix-build-coordinator-agent-configuration-max-1min-load-average guix-build-coordinator-agent-configuration-derivation-substitute-urls guix-build-coordinator-agent-configuration-non-derivation-substitute-urls guix-build-coordinator-agent-password-auth guix-build-coordinator-agent-password-auth? guix-build-coordinator-agent-password-auth-uuid guix-build-coordinator-agent-password-auth-password guix-build-coordinator-agent-password-file-auth guix-build-coordinator-agent-password-file-auth? guix-build-coordinator-agent-password-file-auth-uuid guix-build-coordinator-agent-password-file-auth-password-file guix-build-coordinator-agent-dynamic-auth guix-build-coordinator-agent-dynamic-auth? guix-build-coordinator-agent-dynamic-auth-agent-name guix-build-coordinator-agent-dynamic-auth-token guix-build-coordinator-agent-dynamic-auth-with-file guix-build-coordinator-agent-dynamic-auth-with-file? guix-build-coordinator-agent-dynamic-auth-with-file-agent-name guix-build-coordinator-agent-dynamic-auth-with-file-token-file guix-build-coordinator-agent-service-type guix-build-coordinator-queue-builds-configuration guix-build-coordinator-queue-builds-configuration? guix-build-coordinator-queue-builds-configuration-package guix-build-coordinator-queue-builds-configuration-user guix-build-coordinator-queue-builds-coordinator guix-build-coordinator-queue-builds-configuration-systems guix-build-coordinator-queue-builds-configuration-system-and-targets guix-build-coordinator-queue-builds-configuration-guix-data-service guix-build-coordinator-queue-builds-configuration-guix-data-service-build-server-id guix-build-coordinator-queue-builds-configuration-processed-commits-file guix-build-coordinator-queue-builds-service-type guix-data-service-configuration guix-data-service-configuration? guix-data-service-package guix-data-service-user guix-data-service-group guix-data-service-port guix-data-service-host guix-data-service-getmail-idle-mailboxes guix-data-service-commits-getmail-retriever-configuration guix-data-service-type nar-herder-service-type nar-herder-configuration nar-herder-configuration? nar-herder-configuration-package nar-herder-configuration-user nar-herder-configuration-group nar-herder-configuration-mirror nar-herder-configuration-database nar-herder-configuration-database-dump nar-herder-configuration-host nar-herder-configuration-port nar-herder-configuration-storage nar-herder-configuration-storage-limit nar-herder-configuration-storage-nar-removal-criteria nar-herder-configuration-log-level)) ;;;; Commentary: ;;; ;;; Services specifically related to GNU Guix. ;;; ;;;; Code: (define-record-type* guix-build-coordinator-configuration make-guix-build-coordinator-configuration guix-build-coordinator-configuration? (package guix-build-coordinator-configuration-package (default guix-build-coordinator)) (user guix-build-coordinator-configuration-user (default "guix-build-coordinator")) (group guix-build-coordinator-configuration-group (default "guix-build-coordinator")) (database-uri-string guix-build-coordinator-configuration-datastore-uri-string (default "sqlite:///var/lib/guix-build-coordinator/guix_build_coordinator.db")) (agent-communication-uri-string guix-build-coordinator-configuration-agent-communication-uri-string (default "http://0.0.0.0:8745")) (client-communication-uri-string guix-build-coordinator-configuration-client-communication-uri-string (default "http://127.0.0.1:8746")) (allocation-strategy guix-build-coordinator-configuration-allocation-strategy (default #~basic-build-allocation-strategy)) (hooks guix-build-coordinator-configuration-hooks (default '())) (parallel-hooks guix-build-coordinator-configuration-parallel-hooks (default '())) (guile guix-build-coordinator-configuration-guile (default guile-3.0-latest))) (define-record-type* guix-build-coordinator-agent-configuration make-guix-build-coordinator-agent-configuration guix-build-coordinator-agent-configuration? (package guix-build-coordinator-agent-configuration-package (default guix-build-coordinator/agent-only)) (user guix-build-coordinator-agent-configuration-user (default "guix-build-coordinator-agent")) (coordinator guix-build-coordinator-agent-configuration-coordinator (default "http://localhost:8745")) (authentication guix-build-coordinator-agent-configuration-authentication) (systems guix-build-coordinator-agent-configuration-systems (default #f)) (max-parallel-builds guix-build-coordinator-agent-configuration-max-parallel-builds (default 1)) (max-1min-load-average guix-build-coordinator-agent-configuration-max-1min-load-average (default #f)) (derivation-substitute-urls guix-build-coordinator-agent-configuration-derivation-substitute-urls (default #f)) (non-derivation-substitute-urls guix-build-coordinator-agent-configuration-non-derivation-substitute-urls (default #f))) (define-record-type* guix-build-coordinator-agent-password-auth make-guix-build-coordinator-agent-password-auth guix-build-coordinator-agent-password-auth? (uuid guix-build-coordinator-agent-password-auth-uuid) (password guix-build-coordinator-agent-password-auth-password)) (define-record-type* guix-build-coordinator-agent-password-file-auth make-guix-build-coordinator-agent-password-file-auth guix-build-coordinator-agent-password-file-auth? (uuid guix-build-coordinator-agent-password-file-auth-uuid) (password-file guix-build-coordinator-agent-password-file-auth-password-file)) (define-record-type* guix-build-coordinator-agent-dynamic-auth make-guix-build-coordinator-agent-dynamic-auth guix-build-coordinator-agent-dynamic-auth? (agent-name guix-build-coordinator-agent-dynamic-auth-agent-name) (token guix-build-coordinator-agent-dynamic-auth-token)) (define-record-type* guix-build-coordinator-agent-dynamic-auth-with-file make-guix-build-coordinator-agent-dynamic-auth-with-file guix-build-coordinator-agent-dynamic-auth-with-file? (agent-name guix-build-coordinator-agent-dynamic-auth-with-file-agent-name) (token-file guix-build-coordinator-agent-dynamic-auth-with-file-token-file)) (define-record-type* guix-build-coordinator-queue-builds-configuration make-guix-build-coordinator-queue-builds-configuration guix-build-coordinator-queue-builds-configuration? (package guix-build-coordinator-queue-builds-configuration-package (default guix-build-coordinator)) (user guix-build-coordinator-queue-builds-configuration-user (default "guix-build-coordinator-queue-builds")) (coordinator guix-build-coordinator-queue-builds-coordinator (default "http://localhost:8746")) (systems guix-build-coordinator-queue-builds-configuration-systems (default #f)) (systems-and-targets guix-build-coordinator-queue-builds-configuration-system-and-targets (default #f)) (guix-data-service guix-build-coordinator-queue-builds-configuration-guix-data-service (default "https://data.guix.gnu.org")) (guix-data-service-build-server-id guix-build-coordinator-queue-builds-configuration-guix-data-service-build-server-id (default #f)) (processed-commits-file guix-build-coordinator-queue-builds-configuration-processed-commits-file (default "/var/cache/guix-build-coordinator-queue-builds/processed-commits"))) (define* (make-guix-build-coordinator-start-script database-uri-string allocation-strategy pid-file guix-build-coordinator-package #:key agent-communication-uri-string client-communication-uri-string (hooks '()) (parallel-hooks '()) (guile guile-3.0)) (program-file "start-guix-build-coordinator" (with-extensions (cons guix-build-coordinator-package ;; This is a poorly constructed Guile load path, ;; since it contains things that aren't Guile ;; libraries, but it means that the Guile libraries ;; needed for the Guix Build Coordinator don't need ;; to be individually specified here. (append (map second (package-inputs guix-build-coordinator-package)) (map second (package-propagated-inputs guix-build-coordinator-package)))) #~(begin (use-modules (srfi srfi-1) (ice-9 match) (web uri) (prometheus) (guix-build-coordinator hooks) (guix-build-coordinator datastore) (guix-build-coordinator build-allocator) (guix-build-coordinator coordinator)) (setvbuf (current-output-port) 'line) (setvbuf (current-error-port) 'line) (simple-format #t "starting the guix-build-coordinator:\n ~A\n" (current-filename)) (let* ((metrics-registry (make-metrics-registry #:namespace "guixbuildcoordinator")) (datastore (database-uri->datastore #$database-uri-string #:metrics-registry metrics-registry)) (hooks (list #$@(map (match-lambda ((name . hook-gexp) #~(cons '#$name #$hook-gexp))) hooks))) (hooks-with-defaults `(,@hooks ,@(remove (match-lambda ((name . _) (assq-ref hooks name))) %default-hooks))) (build-coordinator (make-build-coordinator #:datastore datastore #:hooks hooks-with-defaults #:metrics-registry metrics-registry #:allocation-strategy #$allocation-strategy))) (run-coordinator-service build-coordinator #:update-datastore? #t #:pid-file #$pid-file #:agent-communication-uri (string->uri #$agent-communication-uri-string) #:client-communication-uri (string->uri #$client-communication-uri-string) #:parallel-hooks (list #$@parallel-hooks))))) #:guile guile)) (define (guix-build-coordinator-shepherd-services config) (match-record config (package user group database-uri-string agent-communication-uri-string client-communication-uri-string allocation-strategy hooks parallel-hooks guile) (list (shepherd-service (documentation "Guix Build Coordinator") (provision '(guix-build-coordinator)) (requirement '(networking)) (start #~(make-forkexec-constructor (list #$(make-guix-build-coordinator-start-script database-uri-string allocation-strategy "/var/run/guix-build-coordinator/pid" package #:agent-communication-uri-string agent-communication-uri-string #:client-communication-uri-string client-communication-uri-string #:hooks hooks #:parallel-hooks parallel-hooks #:guile guile)) #:user #$user #:group #$group #:pid-file "/var/run/guix-build-coordinator/pid" ;; Allow time for migrations to run #:pid-file-timeout 60 #:environment-variables `(,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") "LC_ALL=en_US.utf8" "PATH=/run/current-system/profile/bin") ; for hooks #:log-file "/var/log/guix-build-coordinator/coordinator.log")) (stop #~(make-kill-destructor)))))) (define (guix-build-coordinator-activation config) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(guix-build-coordinator-configuration-user config))) (chmod "/var/lib/guix-build-coordinator" #o755) (mkdir-p "/var/log/guix-build-coordinator") ;; Allow writing the PID file (mkdir-p "/var/run/guix-build-coordinator") (chown "/var/run/guix-build-coordinator" (passwd:uid %user) (passwd:gid %user)))) (define (guix-build-coordinator-account config) (match-record config (user group) (list (user-group (name group) (system? #t)) (user-account (name user) (group group) (system? #t) (comment "Guix Build Coordinator user") (home-directory "/var/lib/guix-build-coordinator") (shell (file-append shadow "/sbin/nologin")))))) (define guix-build-coordinator-service-type (service-type (name 'guix-build-coordinator) (extensions (list (service-extension shepherd-root-service-type guix-build-coordinator-shepherd-services) (service-extension activation-service-type guix-build-coordinator-activation) (service-extension account-service-type guix-build-coordinator-account))) (default-value (guix-build-coordinator-configuration)) (description "Run an instance of the Guix Build Coordinator."))) (define (guix-build-coordinator-agent-shepherd-services config) (match-record config (package user coordinator authentication max-parallel-builds max-1min-load-average derivation-substitute-urls non-derivation-substitute-urls systems) (list (shepherd-service (documentation "Guix Build Coordinator Agent") (provision '(guix-build-coordinator-agent)) (requirement '(networking)) (start #~(make-forkexec-constructor (list #$(file-append package "/bin/guix-build-coordinator-agent") #$(string-append "--coordinator=" coordinator) #$@(match authentication (($ uuid password) #~(#$(string-append "--uuid=" uuid) #$(string-append "--password=" password))) (($ uuid password-file) #~(#$(string-append "--uuid=" uuid) #$(string-append "--password-file=" password-file))) (($ agent-name token) #~(#$(string-append "--name=" agent-name) #$(string-append "--dynamic-auth-token=" token))) (($ agent-name token-file) #~(#$(string-append "--name=" agent-name) #$(string-append "--dynamic-auth-token-file=" token-file)))) #$(simple-format #f "--max-parallel-builds=~A" max-parallel-builds) #$@(if max-1min-load-average #~(#$(simple-format #f "--max-1min-load-average=~A" max-1min-load-average)) #~()) #$@(if derivation-substitute-urls #~(#$(string-append "--derivation-substitute-urls=" (string-join derivation-substitute-urls " "))) #~()) #$@(if non-derivation-substitute-urls #~(#$(string-append "--non-derivation-substitute-urls=" (string-join non-derivation-substitute-urls " "))) #~()) #$@(map (lambda (system) (string-append "--system=" system)) (or systems '()))) #:user #$user #:environment-variables `(,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") ;; XDG_CACHE_HOME is used by Guix when caching narinfo files "XDG_CACHE_HOME=/var/cache/guix-build-coordinator-agent" "LC_ALL=en_US.utf8") #:log-file "/var/log/guix-build-coordinator/agent.log")) (stop #~(make-kill-destructor)))))) (define (guix-build-coordinator-agent-activation config) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(guix-build-coordinator-agent-configuration-user config))) (mkdir-p "/var/log/guix-build-coordinator") ;; Create a cache directory for storing narinfo files if downloaded (mkdir-p "/var/cache/guix-build-coordinator-agent") (chown "/var/cache/guix-build-coordinator-agent" (passwd:uid %user) (passwd:gid %user)))) (define (guix-build-coordinator-agent-account config) (list (user-account (name (guix-build-coordinator-agent-configuration-user config)) (group "nogroup") (system? #t) (comment "Guix Build Coordinator agent user") (home-directory "/var/empty") (shell (file-append shadow "/sbin/nologin"))))) (define guix-build-coordinator-agent-service-type (service-type (name 'guix-build-coordinator-agent) (extensions (list (service-extension shepherd-root-service-type guix-build-coordinator-agent-shepherd-services) (service-extension activation-service-type guix-build-coordinator-agent-activation) (service-extension account-service-type guix-build-coordinator-agent-account))) (description "Run a Guix Build Coordinator agent."))) (define (guix-build-coordinator-queue-builds-shepherd-services config) (match-record config (package user coordinator systems systems-and-targets guix-data-service guix-data-service-build-server-id processed-commits-file) (list (shepherd-service (documentation "Guix Build Coordinator queue builds from Guix Data Service") (provision '(guix-build-coordinator-queue-builds)) (requirement '(networking)) (start #~(make-forkexec-constructor (list #$(file-append package "/bin/guix-build-coordinator-queue-builds-from-guix-data-service") #$(string-append "--coordinator=" coordinator) #$@(map (lambda (system) (string-append "--system=" system)) (or systems '())) #$@(map (match-lambda ((system . target) (string-append "--system-and-target=" system "=" target))) (or systems-and-targets '())) #$@(if guix-data-service #~(#$(string-append "--guix-data-service=" guix-data-service)) #~()) #$@(if guix-data-service-build-server-id #~(#$(simple-format #f "--guix-data-service-build-server-id=~A" guix-data-service-build-server-id)) #~()) #$@(if processed-commits-file #~(#$(string-append "--processed-commits-file=" processed-commits-file)) #~())) #:user #$user #:environment-variables `(,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") "LC_ALL=en_US.utf8") #:log-file "/var/log/guix-build-coordinator/queue-builds.log")) (stop #~(make-kill-destructor)))))) (define (guix-build-coordinator-queue-builds-activation config) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(guix-build-coordinator-queue-builds-configuration-user config))) (mkdir-p "/var/log/guix-build-coordinator") ;; Allow writing the processed commits file (mkdir-p "/var/cache/guix-build-coordinator-queue-builds") (chown "/var/cache/guix-build-coordinator-queue-builds" (passwd:uid %user) (passwd:gid %user)))) (define (guix-build-coordinator-queue-builds-account config) (list (user-account (name (guix-build-coordinator-queue-builds-configuration-user config)) (group "nogroup") (system? #t) (comment "Guix Build Coordinator queue-builds user") (home-directory "/var/empty") (shell (file-append shadow "/sbin/nologin"))))) (define guix-build-coordinator-queue-builds-service-type (service-type (name 'guix-build-coordinator-queue-builds) (extensions (list (service-extension shepherd-root-service-type guix-build-coordinator-queue-builds-shepherd-services) (service-extension activation-service-type guix-build-coordinator-queue-builds-activation) (service-extension account-service-type guix-build-coordinator-queue-builds-account))) (description "Run the guix-build-coordinator-queue-builds-from-guix-data-service script. This is a script to assist in having the Guix Build Coordinator build derivations stored in an instance of the Guix Data Service."))) ;;; ;;; Guix Data Service ;;; (define-record-type* guix-data-service-configuration make-guix-data-service-configuration guix-data-service-configuration? (package guix-data-service-package (default guix-data-service)) (user guix-data-service-configuration-user (default "guix-data-service")) (group guix-data-service-configuration-group (default "guix-data-service")) (port guix-data-service-port (default 8765)) (host guix-data-service-host (default "127.0.0.1")) (getmail-idle-mailboxes guix-data-service-getmail-idle-mailboxes (default #f)) (commits-getmail-retriever-configuration guix-data-service-commits-getmail-retriever-configuration (default #f)) (extra-options guix-data-service-extra-options (default '())) (extra-process-jobs-options guix-data-service-extra-process-jobs-options (default '()))) (define (guix-data-service-profile-packages config) "Return the guix-data-service package, this will populate the ca-certificates.crt file in the system profile." (list (guix-data-service-package config))) (define (guix-data-service-shepherd-services config) (match-record config (package user group port host extra-options extra-process-jobs-options) (list (shepherd-service (documentation "Guix Data Service web server") (provision '(guix-data-service)) (requirement '(postgres networking)) (start #~(make-forkexec-constructor (list #$(file-append package "/bin/guix-data-service") "--pid-file=/var/run/guix-data-service/pid" #$(string-append "--port=" (number->string port)) #$(string-append "--host=" host) ;; Perform any database migrations when the ;; service is started "--update-database" #$@extra-options) #:user #$user #:group #$group #:pid-file "/var/run/guix-data-service/pid" ;; Allow time for migrations to run #:pid-file-timeout 120 #:environment-variables `(,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") "LC_ALL=en_US.UTF-8") #:log-file "/var/log/guix-data-service/web.log")) (stop #~(make-kill-destructor))) (shepherd-service (documentation "Guix Data Service process jobs") (provision '(guix-data-service-process-jobs)) (requirement '(postgres networking ;; Require guix-data-service, as that the database ;; migrations are handled through this service guix-data-service)) (start #~(make-forkexec-constructor (list #$(file-append package "/bin/guix-data-service-process-jobs") #$@extra-process-jobs-options) #:user #$user #:group #$group #:environment-variables `("HOME=/var/lib/guix-data-service" "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt" ,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") "LC_ALL=en_US.UTF-8") #:log-file "/var/log/guix-data-service/process-jobs.log")) (stop #~(make-kill-destructor)))))) (define (guix-data-service-activation config) #~(begin (use-modules (guix build utils)) (define %user (getpw "guix-data-service")) (chmod "/var/lib/guix-data-service" #o755) (mkdir-p "/var/log/guix-data-service") ;; Allow writing the PID file (mkdir-p "/var/run/guix-data-service") (chown "/var/run/guix-data-service" (passwd:uid %user) (passwd:gid %user)))) (define (guix-data-service-account config) (match-record config (user group) (list (user-group (name group) (system? #t)) (user-account (name user) (group group) (system? #t) (comment "Guix Data Service user") (home-directory "/var/lib/guix-data-service") (shell (file-append shadow "/sbin/nologin")))))) (define (guix-data-service-getmail-configuration config) (match config (($ package user group port host #f #f) '()) (($ package user group port host getmail-idle-mailboxes commits-getmail-retriever-configuration) (list (getmail-configuration (name 'guix-data-service) (user user) (group group) (directory "/var/lib/getmail/guix-data-service") (rcfile (getmail-configuration-file (retriever commits-getmail-retriever-configuration) (destination (getmail-destination-configuration (type "MDA_external") (path (file-append package "/bin/guix-data-service-process-branch-updated-email")))) (options (getmail-options-configuration (read-all #f) (delivered-to #f) (received #f))))) (idle getmail-idle-mailboxes)))))) (define guix-data-service-type (service-type (name 'guix-data-service) (extensions (list (service-extension profile-service-type guix-data-service-profile-packages) (service-extension shepherd-root-service-type guix-data-service-shepherd-services) (service-extension activation-service-type guix-data-service-activation) (service-extension account-service-type guix-data-service-account) (service-extension getmail-service-type guix-data-service-getmail-configuration))) (default-value (guix-data-service-configuration)) (description "Run an instance of the Guix Data Service."))) ;;; ;;; Nar Herder ;;; (define-record-type* nar-herder-configuration make-nar-herder-configuration nar-herder-configuration? (package nar-herder-configuration-package (default nar-herder)) (user nar-herder-configuration-user (default "nar-herder")) (group nar-herder-configuration-group (default "nar-herder")) (mirror nar-herder-configuration-mirror (default #f)) (database nar-herder-configuration-database (default "/var/lib/nar-herder/nar_herder.db")) (database-dump nar-herder-configuration-database-dump (default "/var/lib/nar-herder/nar_herder_dump.db")) (host nar-herder-configuration-host (default "127.0.0.1")) (port nar-herder-configuration-port (default 8734)) (storage nar-herder-configuration-storage (default #f)) (storage-limit nar-herder-configuration-storage-limit (default "none")) (storage-nar-removal-criteria nar-herder-configuration-storage-nar-removal-criteria (default '())) (ttl nar-herder-configuration-ttl (default #f)) (negative-ttl nar-herder-configuration-negative-ttl (default #f)) (log-level nar-herder-configuration-log-level (default 'DEBUG))) (define (nar-herder-shepherd-services config) (match-record config (package user group mirror database database-dump host port storage storage-limit storage-nar-removal-criteria ttl negative-ttl log-level) (unless (or mirror storage) (error "nar-herder: mirror or storage must be set")) (list (shepherd-service (documentation "Nar Herder") (provision '(nar-herder)) (requirement '(networking)) (start #~(make-forkexec-constructor (list #$(file-append package "/bin/nar-herder") "run-server" "--pid-file=/var/run/nar-herder/pid" #$(string-append "--port=" (number->string port)) #$(string-append "--host=" host) #$@(if mirror (list (string-append "--mirror=" mirror)) '()) #$(string-append "--database=" database) #$(string-append "--database-dump=" database-dump) #$@(if storage (list (string-append "--storage=" storage)) '()) #$(string-append "--storage-limit=" (if (number? storage-limit) (number->string storage-limit) storage-limit)) #$@(map (lambda (criteria) (string-append "--storage-nar-removal-criteria=" (match criteria ((k . v) (simple-format #f "~A=~A" k v)) (str str)))) storage-nar-removal-criteria) #$@(if ttl (list (string-append "--ttl=" ttl)) '()) #$@(if negative-ttl (list (string-append "--negative-ttl=" negative-ttl)) '()) #$@(if log-level (list (simple-format #f "--log-level=~A" log-level)) '())) #:user #$user #:group #$group #:pid-file "/var/run/nar-herder/pid" #:environment-variables `(,(string-append "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") "LC_ALL=en_US.utf8") #:log-file "/var/log/nar-herder/server.log")) (stop #~(make-kill-destructor)))))) (define (nar-herder-activation config) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(nar-herder-configuration-user config))) (chmod "/var/lib/nar-herder" #o755) (mkdir-p "/var/log/nar-herder") ;; Allow writing the PID file (mkdir-p "/var/run/nar-herder") (chown "/var/run/nar-herder" (passwd:uid %user) (passwd:gid %user)))) (define (nar-herder-account config) (match-record config (user group) (list (user-group (name group) (system? #t)) (user-account (name user) (group group) (system? #t) (comment "Nar Herder user") (home-directory "/var/lib/nar-herder") (shell (file-append shadow "/sbin/nologin")))))) (define nar-herder-service-type (service-type (name 'nar-herder) (extensions (list (service-extension shepherd-root-service-type nar-herder-shepherd-services) (service-extension activation-service-type nar-herder-activation) (service-extension account-service-type nar-herder-account))) (description "Run a Nar Herder server.")))