** Description changed: [IMPACT] Xenial uses systemd as default now, debian salsa 4a49edf26d405726041bee12a42d6f064145c87e, introduce a shell script, taking advantage of systemctl directly if systemd is active by still keeping Sysv init script as fallback only. While there is no 'real' impact, I think it make total sense for a - systemd Xenial system, to use the systemctl approach for logrotation + systemd Xenial system, to use the systemctl approach for log rotation + + It has been brought to my attention by a Ubuntu user that: + + "Xenial logrotate is not able to perform full log rotation on a LXC + container without the 'sys_ptrace' capability[1] using the Sysv + approach, invoke-rc.d just fails" + + I have created a test pkg for this user, and the same user was able to + conclude that it was working as expected with the systemd approach + (systemctl) when sys_ptrace is disable inside the container. + + [1] - lxc config set <CONTAINER_NAME> raw.lxc lxc.cap.drop=sys_ptrace [TEST CASE] ============================================== [1] - On a Xenial active systemd system: ============================================== Determine the script pick the right decision (systemd approach). # bash -vx /usr/lib/rsyslog/rsyslog-rotate Run logrotate which contains 'include /etc/logrotate.d', thus will use the rsyslog log rotation information, now using '/usr/lib/rsyslog/rsyslog-rotate' helper. # logrotate -vdf /etc/logrotate.conf Check if logs rotation happened in /var/log. # ls -altr /var/log ============================================== [2] - On a Xenial active upstart system: ============================================== Determine the script pick the right decision (non-systemd approach). # bash -vx /usr/lib/rsyslog/rsyslog-rotate Run logrotate which contains 'include /etc/logrotate.d', thus will use the rsyslog log rotation information, now using '/usr/lib/rsyslog/rsyslog-rotate' helper. # logrotate -vdf /etc/logrotate.conf Check if logs rotation happened in /var/log. # ls -altr /var/log [POTENTIAL REGRESSION * None, this commit introduced a new shell script (rsyslog-rotate) which uses systemctl directly if systemd is active (default in Xenial) but keeps the original Sysv init script as fallback only. Meaning no behaviour change for users who decided not to use systemd on their Xenial system. * I don't see any reported bug about this new helper for Bionic/Cosmic which has it since their released. /usr/lib/rsyslog/rsyslog-rotate: 1) Check if existence of systemd, if yes: systemctl kill -s HUP rsyslog.service 2) Check if existence of systemd, if no: invoke-rc.d rsyslog rotate > /dev/null [OTHER INFO] * Salsa rsyslog repository: https://salsa.debian.org/debian/rsyslog/commit/4a49edf26d405726041bee12a42d6f064145c87e * First introduced: git describe --contains 4a49edf26d405726041bee12a42d6f064145c87e debian/8.27.0-4~1 * rmadison: => rsyslog | 8.16.0-1ubuntu3 | xenial rsyslog | 8.32.0-1ubuntu4 | bionic rsyslog | 8.32.0-1ubuntu5 | cosmic rsyslog | 8.32.0-1ubuntu7 | disco
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to rsyslog in Ubuntu. https://bugs.launchpad.net/bugs/1821582 Title: Don't rely on SysV init script in logrotate config Status in rsyslog package in Ubuntu: Fix Released Status in rsyslog source package in Xenial: Fix Committed Bug description: [IMPACT] Xenial uses systemd as default now, debian salsa 4a49edf26d405726041bee12a42d6f064145c87e, introduce a shell script, taking advantage of systemctl directly if systemd is active by still keeping Sysv init script as fallback only. While there is no 'real' impact, I think it make total sense for a systemd Xenial system, to use the systemctl approach for log rotation It has been brought to my attention by a Ubuntu user that: "Xenial logrotate is not able to perform full log rotation on a LXC container without the 'sys_ptrace' capability[1] using the Sysv approach, invoke-rc.d just fails" I have created a test pkg for this user, and the same user was able to conclude that it was working as expected with the systemd approach (systemctl) when sys_ptrace is disable inside the container. [1] - lxc config set <CONTAINER_NAME> raw.lxc lxc.cap.drop=sys_ptrace [TEST CASE] ============================================== [1] - On a Xenial active systemd system: ============================================== Determine the script pick the right decision (systemd approach). # bash -vx /usr/lib/rsyslog/rsyslog-rotate Run logrotate which contains 'include /etc/logrotate.d', thus will use the rsyslog log rotation information, now using '/usr/lib/rsyslog/rsyslog-rotate' helper. # logrotate -vdf /etc/logrotate.conf Check if logs rotation happened in /var/log. # ls -altr /var/log ============================================== [2] - On a Xenial active upstart system: ============================================== Determine the script pick the right decision (non-systemd approach). # bash -vx /usr/lib/rsyslog/rsyslog-rotate Run logrotate which contains 'include /etc/logrotate.d', thus will use the rsyslog log rotation information, now using '/usr/lib/rsyslog/rsyslog-rotate' helper. # logrotate -vdf /etc/logrotate.conf Check if logs rotation happened in /var/log. # ls -altr /var/log [POTENTIAL REGRESSION * None, this commit introduced a new shell script (rsyslog-rotate) which uses systemctl directly if systemd is active (default in Xenial) but keeps the original Sysv init script as fallback only. Meaning no behaviour change for users who decided not to use systemd on their Xenial system. * I don't see any reported bug about this new helper for Bionic/Cosmic which has it since their released. /usr/lib/rsyslog/rsyslog-rotate: 1) Check if existence of systemd, if yes: systemctl kill -s HUP rsyslog.service 2) Check if existence of systemd, if no: invoke-rc.d rsyslog rotate > /dev/null [OTHER INFO] * Salsa rsyslog repository: https://salsa.debian.org/debian/rsyslog/commit/4a49edf26d405726041bee12a42d6f064145c87e * First introduced: git describe --contains 4a49edf26d405726041bee12a42d6f064145c87e debian/8.27.0-4~1 * rmadison: => rsyslog | 8.16.0-1ubuntu3 | xenial rsyslog | 8.32.0-1ubuntu4 | bionic rsyslog | 8.32.0-1ubuntu5 | cosmic rsyslog | 8.32.0-1ubuntu7 | disco To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rsyslog/+bug/1821582/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp