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etc: Add systemd files for running ‘guix gc’ periodically

* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
master
Thiago Jung Bauermann 2021-09-15 20:36:38 -03:00 committed by Mathieu Othacehe
parent cbb76da1f6
commit 5c4fd77097
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GPG Key ID: 8354763531769CA6
5 changed files with 53 additions and 1 deletions

1
.gitignore vendored
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@ -74,6 +74,7 @@
/etc/guix-daemon.service
/etc/guix-publish.conf
/etc/guix-publish.service
/etc/guix-gc.service
/etc/init.d/guix-daemon
/etc/openrc/guix-daemon
/guix-*

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@ -743,6 +743,18 @@ with these commands:
# systemctl enable --now gnu-store.mount guix-daemon
@end example
You may also want to arrange for @command{guix gc} to run periodically:
@example
# cp ~root/.config/guix/current/lib/systemd/system/guix-gc.service \
~root/.config/guix/current/lib/systemd/system/guix-gc.timer \
/etc/systemd/system/
# systemctl enable --now guix-gc.timer
@end example
You may want to edit @file{guix-gc.service} to adjust the command line
options to fit your needs (@pxref{Invoking guix gc}).
If your host distro uses the Upstart init system:
@example

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@ -0,0 +1,20 @@
# This is a "service unit file" for the systemd init system to perform a
# one-shot 'guix gc' operation. It is meant to be triggered by a timer.
# Drop it in /etc/systemd/system or similar together with 'guix-gc.timer'
# to set it up.
[Unit]
Description=Discard unused Guix store items
[Service]
Type=oneshot
# Customize the 'guix gc' arguments to fit your needs.
ExecStart=@localstatedir@/guix/profiles/per-user/root/current-guix/bin/guix gc -d 1m -F 10G
PrivateDevices=yes
PrivateNetwork=yes
PrivateUsers=no
ProtectKernelTunables=yes
ProtectKernelModules=yes
ProtectControlGroups=yes
MemoryDenyWriteExecute=yes
SystemCallFilter=@default @file-system @basic-io @system-service

15
etc/guix-gc.timer 100644
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@ -0,0 +1,15 @@
# This is a "timer unit file" for the systemd init system to trigger
# 'guix-gc.service' periodically. Drop it in /etc/systemd/system or similar
# together with 'guix-gc.service' to set it up.
[Unit]
Description=Discard unused Guix store items
[Timer]
OnCalendar=weekly
AccuracySec=1h
Persistent=true
RandomizedDelaySec=6000
[Install]
WantedBy=timers.target

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@ -153,7 +153,9 @@ systemdservicedir = $(libdir)/systemd/system
nodist_systemdservice_DATA = \
etc/gnu-store.mount \
etc/guix-daemon.service \
etc/guix-publish.service
etc/guix-publish.service \
etc/guix-gc.service \
etc/guix-gc.timer
etc/%.mount: etc/%.mount.in \
$(top_builddir)/config.status
@ -216,6 +218,8 @@ EXTRA_DIST += \
etc/guix-daemon.conf.in \
etc/guix-publish.service.in \
etc/guix-publish.conf.in \
etc/guix-gc.service.in \
etc/guix-gc.timer \
etc/init.d/guix-daemon.in \
etc/openrc/guix-daemon.in