And here is the patch for the unbound.prerm file on Focal
** Patch added: "Patch file for unbound.prerm on Focal"
https://bugs.launchpad.net/ubuntu/+source/unbound/+bug/2072700/+attachment/5796028/+files/focal_unbound_prerm.diff
** Description changed:
- On both Bionic (EOL, yes, but applies to the packages available within
- ESM also) and Focal, we found that the unbound package's prerm
+ On both Bionic (EOL, yes, but likely applies to the packages available
+ within ESM also) and Focal, we found that the unbound package's prerm
maintainer script does not confirm whether the action is "remove" before
it stops the service, causing a service stop and unnecessary unbound
downtime on every upgrade. We were able to confirm the script looks
correct in Jammy.
At the top of the prerm script in both affected distro versions, it
first checks for the old SysV style init while also confirming the
action is "remove":
+ # Automatically added by dh_installinit/11.1.6ubuntu1
+ if [ -x "/etc/init.d/unbound" ] && [ "$1" = remove ]; then
+ invoke-rc.d unbound stop || true
+ fi
- # Automatically added by dh_installinit/11.1.6ubuntu1
- if [ -x "/etc/init.d/unbound" ] && [ "$1" = remove ]; then
- invoke-rc.d unbound stop || true
- fi
+ However, at the end of the script, when it confirms whether the system
+ has systemd running, it does not validate the action passed, so it stops
+ the service on every action where prerm is called:
+ # Automatically added by dh_systemd_start/11.1.6ubuntu1
+ if [ -d /run/systemd/system ]; then
+ deb-systemd-invoke stop 'unbound.service' >/dev/null || true
+ fi
- However, at the end of the script, when it confirms whether the system has
systemd running, it does not validate the action passed, so it stops the
service on every action where prerm is called:
-
-
- # Automatically added by dh_systemd_start/11.1.6ubuntu1
- if [ -d /run/systemd/system ]; then
- deb-systemd-invoke stop 'unbound.service' >/dev/null || true
- fi
-
-
- Simply appending ' && [ "$1" = remove ]' to the systemd conditional should
resolve this issue.
+ Simply appending ' && [ "$1" = remove ]' to the systemd conditional
+ should resolve this issue.
It would then look like the following:
+ # Automatically added by dh_systemd_start/11.1.6ubuntu1
+ if [ -d /run/systemd/system ] && [ "$1" = remove ]; then
+ deb-systemd-invoke stop 'unbound.service' >/dev/null || true
+ fi
- # Automatically added by dh_systemd_start/11.1.6ubuntu1
- if [ -d /run/systemd/system ] && [ "$1" = remove ]; then
- deb-systemd-invoke stop 'unbound.service' >/dev/null || true
- fi
+ In the Jammy package, we see the prerm script looks correct, so it
+ doesn't seem like any change is needed there:
-
- In the Jammy package, we see the prerm script looks correct, so it doesn't
seem like any change is needed there:
-
-
- # Automatically added by dh_systemd_start/13.6ubuntu1
- if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = remove ] && [ -d
/run/systemd/system ] ; then
- deb-systemd-invoke stop 'unbound.service' >/dev/null || true
- fi
+ # Automatically added by dh_systemd_start/13.6ubuntu1
+ if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = remove ] && [ -d
/run/systemd/system ] ; then
+ deb-systemd-invoke stop 'unbound.service' >/dev/null || true
+ fi
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https://bugs.launchpad.net/bugs/2072700
Title:
[Bionic/Focal] Unbound prerm script stops the service on upgrades
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