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Add podman-clean-transient.service service

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This is a unit that can be enabled when using transient store mode
to clean up potential leftovers from previous boots. All it does is
run "podman system prune --external" once each boot.

Signed-off-by: Alexander Larsson <alexl@redhat.com>
This commit is contained in:
Alexander Larsson
2022-12-20 10:24:25 +01:00
parent 5b12cb23f6
commit ddeb9592c9
3 changed files with 25 additions and 1 deletions
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4
Makefile
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@ -871,7 +871,8 @@ ifneq (,$(findstring systemd,$(BUILDTAGS)))
PODMAN_UNIT_FILES = contrib/systemd/auto-update/podman-auto-update.service \
contrib/systemd/system/podman.service \
contrib/systemd/system/podman-restart.service \
contrib/systemd/system/podman-kube@.service
contrib/systemd/system/podman-kube@.service \
contrib/systemd/system/podman-clean-transient.service
%.service: %.service.in
sed -e 's;@@PODMAN@@;$(BINDIR)/podman;g' $< >$@.tmp.$$ \
@ -893,6 +894,7 @@ install.systemd: $(PODMAN_UNIT_FILES)
install ${SELINUXOPT} -m 644 contrib/systemd/system/podman.service ${DESTDIR}${SYSTEMDDIR}/podman.service
install ${SELINUXOPT} -m 644 contrib/systemd/system/podman-restart.service ${DESTDIR}${SYSTEMDDIR}/podman-restart.service
install ${SELINUXOPT} -m 644 contrib/systemd/system/podman-kube@.service ${DESTDIR}${SYSTEMDDIR}/podman-kube@.service
install ${SELINUXOPT} -m 644 contrib/systemd/system/podman-clean-transient.service ${DESTDIR}${SYSTEMDDIR}/podman-clean-transient.service
rm -f $(PODMAN_UNIT_FILES)
else
install.systemd:

21
contrib/systemd/system/podman-clean-transient.service.in Normal file
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@ -0,0 +1,21 @@
# This service runs once each boot to remove potential leftover
# container state from previous boots.
# This is needed when using transient storage mode in podman where the
# database and other configs are stored in tmpfs, but some other files
# are not. If we don't run this after an unclean boot then there may
# be some leftover files that grow over time.
[Unit]
Description=Clean up podman transient data
RequiresMountsFor=%t/containers
Documentation=man:podman-system-prune(1)
Requires=boot-complete.target
After=local-fs.target boot-complete.target
[Service]
Type=oneshot
ExecStart=@@PODMAN@@ system prune --external
[Install]
WantedBy=default.target

1
podman.spec.rpkg
View File

@ -252,6 +252,7 @@ fi
%{_unitdir}/%{name}.socket
%{_unitdir}/%{name}-restart.service
%{_unitdir}/%{name}-kube@.service
%{_unitdir}/%{name}-clean-transient.service
%{_userunitdir}/%{name}-auto-update.service
%{_userunitdir}/%{name}-auto-update.timer
%{_userunitdir}/%{name}.service