diff options
Diffstat (limited to 'gnu/services/admin.scm')
| -rw-r--r-- | gnu/services/admin.scm | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/gnu/services/admin.scm b/gnu/services/admin.scm index 1c10cfb1f6..edd8ce59da 100644 --- a/gnu/services/admin.scm +++ b/gnu/services/admin.scm @@ -21,16 +21,23 @@ (define-module (gnu services admin) #:use-module (gnu packages admin) + #:use-module ((gnu packages base) + #:select (canonical-package findutils)) #:use-module (gnu packages certs) #:use-module (gnu packages package-management) #:use-module (gnu services) + #:use-module (gnu services configuration) #:use-module (gnu services mcron) #:use-module (gnu services shepherd) + #:use-module (gnu system accounts) + #:use-module ((gnu system shadow) #:select (account-service-type)) + #:use-module ((guix store) #:select (%store-prefix)) #:use-module (guix gexp) #:use-module (guix modules) #:use-module (guix packages) #:use-module (guix records) #:use-module (srfi srfi-1) + #:use-module (ice-9 match) #:use-module (ice-9 vlist) #:export (%default-rotations %rotated-files @@ -55,6 +62,23 @@ log-cleanup-configuration-expiry log-cleanup-configuration-schedule + file-database-service-type + file-database-configuration + file-database-configuration? + file-database-configuration-package + file-database-configuration-schedule + file-database-configuration-excluded-directories + %default-file-database-update-schedule + %default-file-database-excluded-directories + + package-database-service-type + package-database-configuration + package-database-configuration? + package-database-configuration-package + package-database-configuration-schedule + package-database-configuration-method + package-database-configuration-channels + unattended-upgrade-service-type unattended-upgrade-configuration unattended-upgrade-configuration? @@ -257,6 +281,118 @@ Old log files are removed or compressed according to the configuration.") ;;; +;;; File databases. +;;; + +(define %default-file-database-update-schedule + ;; Default mcron schedule for the periodic 'updatedb' job: once every + ;; Sunday. + "10 23 * * 0") + +(define %default-file-database-excluded-directories + ;; Directories excluded from the 'locate' database. + (list (%store-prefix) + "/tmp" "/var/tmp" "/var/cache" ".*/\\.cache" + "/run/udev")) + +(define (string-or-gexp? obj) + (or (string? obj) (gexp? obj))) + +(define string-list? + (match-lambda + (((? string?) ...) #t) + (_ #f))) + +(define-configuration/no-serialization file-database-configuration + (package + (file-like (let-system (system target) + ;; Unless we're cross-compiling, avoid pulling a second copy + ;; of findutils. + (if target + findutils + (canonical-package findutils)))) + "The GNU@tie{}Findutils package from which the @command{updatedb} command +is taken.") + (schedule + (string-or-gexp %default-file-database-update-schedule) + "String or G-exp denoting an mcron schedule for the periodic +@command{updatedb} job (@pxref{Guile Syntax,,, mcron, GNU@tie{}mcron}).") + (excluded-directories + (string-list %default-file-database-excluded-directories) + "List of directories to ignore when building the file database. By +default, this includes @file{/tmp} and @file{/gnu/store}, which should instead +be indexed by @command{guix locate} (@pxref{Invoking guix locate}). This list +is passed to the @option{--prunepaths} option of +@command{updatedb} (@pxref{Invoking updatedb,,, find, GNU@tie{}Findutils}).")) + +(define (file-database-mcron-jobs configuration) + (match-record configuration <file-database-configuration> + (package schedule excluded-directories) + (let ((updatedb (program-file + "updatedb" + #~(execl #$(file-append package "/bin/updatedb") + "updatedb" + #$(string-append "--prunepaths=" + (string-join + excluded-directories)))))) + (list #~(job #$schedule #$updatedb))))) + +(define file-database-service-type + (service-type + (name 'file-database) + (extensions (list (service-extension mcron-service-type + file-database-mcron-jobs))) + (description + "Periodically update the file database used by the @command{locate} command, +which lets you search for files by name. The database is created by running +the @command{updatedb} command.") + (default-value (file-database-configuration)))) + +(define %default-package-database-update-schedule + ;; Default mcron schedule for the periodic 'guix locate --update' job: once + ;; every Monday. + "10 23 * * 1") + +(define-configuration/no-serialization package-database-configuration + (package (file-like guix) + "The Guix package to use.") + (schedule (string-or-gexp + %default-package-database-update-schedule) + "String or G-exp denoting an mcron schedule for the periodic +@command{guix locate --update} job (@pxref{Guile Syntax,,, mcron, +GNU@tie{}mcron}).") + (method (symbol 'store) + "Indexing method for @command{guix locate}. The default value, +@code{'store}, yields a more complete database but is relatively expensive in +terms of CPU and input/output.") + (channels (gexp #~%default-channels) + "G-exp denoting the channels to use when updating the database +(@pxref{Channels}).")) + +(define (package-database-mcron-jobs configuration) + (match-record configuration <package-database-configuration> + (package schedule method channels) + (let ((channels (scheme-file "channels.scm" channels))) + (list #~(job #$schedule + ;; XXX: The whole thing's running as "root" just because it + ;; needs write access to /var/cache/guix/locate. + (string-append #$(file-append package "/bin/guix") + " time-machine -C " #$channels + " -- locate --update --method=" + #$(symbol->string method))))))) + +(define package-database-service-type + (service-type + (name 'package-database) + (extensions (list (service-extension mcron-service-type + package-database-mcron-jobs))) + (description + "Periodically update the package database used by the @code{guix locate} command, +which lets you search for packages that provide a given file.") + (default-value (package-database-configuration)))) + + +;;; ;;; Unattended upgrade. ;;; |